Initial commit

This commit is contained in:
Hakase
2018-02-14 15:05:29 +09:00
commit 20f797d2f6
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libpcre_la-pcre_byte_order.lo: pcre_byte_order.c \
/usr/include/stdc-predef.h config.h pcre_internal.h /usr/include/ctype.h \
/usr/include/features.h /usr/include/sys/cdefs.h \
/usr/include/bits/wordsize.h /usr/include/gnu/stubs.h \
/usr/include/gnu/stubs-64.h /usr/include/bits/types.h \
/usr/include/bits/typesizes.h /usr/include/endian.h \
/usr/include/bits/endian.h /usr/include/bits/byteswap.h \
/usr/include/bits/byteswap-16.h /usr/include/xlocale.h \
/usr/lib/gcc/x86_64-redhat-linux/4.8.5/include/limits.h \
/usr/lib/gcc/x86_64-redhat-linux/4.8.5/include/syslimits.h \
/usr/include/limits.h /usr/include/bits/posix1_lim.h \
/usr/include/bits/local_lim.h /usr/include/linux/limits.h \
/usr/include/bits/posix2_lim.h \
/usr/lib/gcc/x86_64-redhat-linux/4.8.5/include/stddef.h \
/usr/include/stdio.h /usr/include/libio.h /usr/include/_G_config.h \
/usr/include/wchar.h \
/usr/lib/gcc/x86_64-redhat-linux/4.8.5/include/stdarg.h \
/usr/include/bits/stdio_lim.h /usr/include/bits/sys_errlist.h \
/usr/include/bits/stdio.h /usr/include/stdlib.h \
/usr/include/bits/waitflags.h /usr/include/bits/waitstatus.h \
/usr/include/sys/types.h /usr/include/time.h /usr/include/sys/select.h \
/usr/include/bits/select.h /usr/include/bits/sigset.h \
/usr/include/bits/time.h /usr/include/sys/sysmacros.h \
/usr/include/bits/pthreadtypes.h /usr/include/alloca.h \
/usr/include/bits/stdlib-float.h /usr/include/string.h \
/usr/include/bits/string.h /usr/include/bits/string2.h \
/usr/lib/gcc/x86_64-redhat-linux/4.8.5/include/stdint.h \
/usr/include/stdint.h /usr/include/bits/wchar.h pcre.h ucp.h
/usr/include/stdc-predef.h:
config.h:
pcre_internal.h:
/usr/include/ctype.h:
/usr/include/features.h:
/usr/include/sys/cdefs.h:
/usr/include/bits/wordsize.h:
/usr/include/gnu/stubs.h:
/usr/include/gnu/stubs-64.h:
/usr/include/bits/types.h:
/usr/include/bits/typesizes.h:
/usr/include/endian.h:
/usr/include/bits/endian.h:
/usr/include/bits/byteswap.h:
/usr/include/bits/byteswap-16.h:
/usr/include/xlocale.h:
/usr/lib/gcc/x86_64-redhat-linux/4.8.5/include/limits.h:
/usr/lib/gcc/x86_64-redhat-linux/4.8.5/include/syslimits.h:
/usr/include/limits.h:
/usr/include/bits/posix1_lim.h:
/usr/include/bits/local_lim.h:
/usr/include/linux/limits.h:
/usr/include/bits/posix2_lim.h:
/usr/lib/gcc/x86_64-redhat-linux/4.8.5/include/stddef.h:
/usr/include/stdio.h:
/usr/include/libio.h:
/usr/include/_G_config.h:
/usr/include/wchar.h:
/usr/lib/gcc/x86_64-redhat-linux/4.8.5/include/stdarg.h:
/usr/include/bits/stdio_lim.h:
/usr/include/bits/sys_errlist.h:
/usr/include/bits/stdio.h:
/usr/include/stdlib.h:
/usr/include/bits/waitflags.h:
/usr/include/bits/waitstatus.h:
/usr/include/sys/types.h:
/usr/include/time.h:
/usr/include/sys/select.h:
/usr/include/bits/select.h:
/usr/include/bits/sigset.h:
/usr/include/bits/time.h:
/usr/include/sys/sysmacros.h:
/usr/include/bits/pthreadtypes.h:
/usr/include/alloca.h:
/usr/include/bits/stdlib-float.h:
/usr/include/string.h:
/usr/include/bits/string.h:
/usr/include/bits/string2.h:
/usr/lib/gcc/x86_64-redhat-linux/4.8.5/include/stdint.h:
/usr/include/stdint.h:
/usr/include/bits/wchar.h:
pcre.h:
ucp.h:
@@ -0,0 +1,134 @@
libpcre_la-pcre_chartables.lo: pcre_chartables.c \
/usr/include/stdc-predef.h config.h pcre_internal.h /usr/include/ctype.h \
/usr/include/features.h /usr/include/sys/cdefs.h \
/usr/include/bits/wordsize.h /usr/include/gnu/stubs.h \
/usr/include/gnu/stubs-64.h /usr/include/bits/types.h \
/usr/include/bits/typesizes.h /usr/include/endian.h \
/usr/include/bits/endian.h /usr/include/bits/byteswap.h \
/usr/include/bits/byteswap-16.h /usr/include/xlocale.h \
/usr/lib/gcc/x86_64-redhat-linux/4.8.5/include/limits.h \
/usr/lib/gcc/x86_64-redhat-linux/4.8.5/include/syslimits.h \
/usr/include/limits.h /usr/include/bits/posix1_lim.h \
/usr/include/bits/local_lim.h /usr/include/linux/limits.h \
/usr/include/bits/posix2_lim.h \
/usr/lib/gcc/x86_64-redhat-linux/4.8.5/include/stddef.h \
/usr/include/stdio.h /usr/include/libio.h /usr/include/_G_config.h \
/usr/include/wchar.h \
/usr/lib/gcc/x86_64-redhat-linux/4.8.5/include/stdarg.h \
/usr/include/bits/stdio_lim.h /usr/include/bits/sys_errlist.h \
/usr/include/bits/stdio.h /usr/include/stdlib.h \
/usr/include/bits/waitflags.h /usr/include/bits/waitstatus.h \
/usr/include/sys/types.h /usr/include/time.h /usr/include/sys/select.h \
/usr/include/bits/select.h /usr/include/bits/sigset.h \
/usr/include/bits/time.h /usr/include/sys/sysmacros.h \
/usr/include/bits/pthreadtypes.h /usr/include/alloca.h \
/usr/include/bits/stdlib-float.h /usr/include/string.h \
/usr/include/bits/string.h /usr/include/bits/string2.h \
/usr/lib/gcc/x86_64-redhat-linux/4.8.5/include/stdint.h \
/usr/include/stdint.h /usr/include/bits/wchar.h pcre.h ucp.h
/usr/include/stdc-predef.h:
config.h:
pcre_internal.h:
/usr/include/ctype.h:
/usr/include/features.h:
/usr/include/sys/cdefs.h:
/usr/include/bits/wordsize.h:
/usr/include/gnu/stubs.h:
/usr/include/gnu/stubs-64.h:
/usr/include/bits/types.h:
/usr/include/bits/typesizes.h:
/usr/include/endian.h:
/usr/include/bits/endian.h:
/usr/include/bits/byteswap.h:
/usr/include/bits/byteswap-16.h:
/usr/include/xlocale.h:
/usr/lib/gcc/x86_64-redhat-linux/4.8.5/include/limits.h:
/usr/lib/gcc/x86_64-redhat-linux/4.8.5/include/syslimits.h:
/usr/include/limits.h:
/usr/include/bits/posix1_lim.h:
/usr/include/bits/local_lim.h:
/usr/include/linux/limits.h:
/usr/include/bits/posix2_lim.h:
/usr/lib/gcc/x86_64-redhat-linux/4.8.5/include/stddef.h:
/usr/include/stdio.h:
/usr/include/libio.h:
/usr/include/_G_config.h:
/usr/include/wchar.h:
/usr/lib/gcc/x86_64-redhat-linux/4.8.5/include/stdarg.h:
/usr/include/bits/stdio_lim.h:
/usr/include/bits/sys_errlist.h:
/usr/include/bits/stdio.h:
/usr/include/stdlib.h:
/usr/include/bits/waitflags.h:
/usr/include/bits/waitstatus.h:
/usr/include/sys/types.h:
/usr/include/time.h:
/usr/include/sys/select.h:
/usr/include/bits/select.h:
/usr/include/bits/sigset.h:
/usr/include/bits/time.h:
/usr/include/sys/sysmacros.h:
/usr/include/bits/pthreadtypes.h:
/usr/include/alloca.h:
/usr/include/bits/stdlib-float.h:
/usr/include/string.h:
/usr/include/bits/string.h:
/usr/include/bits/string2.h:
/usr/lib/gcc/x86_64-redhat-linux/4.8.5/include/stdint.h:
/usr/include/stdint.h:
/usr/include/bits/wchar.h:
pcre.h:
ucp.h:
@@ -0,0 +1,134 @@
libpcre_la-pcre_compile.lo: pcre_compile.c /usr/include/stdc-predef.h \
config.h pcre_internal.h /usr/include/ctype.h /usr/include/features.h \
/usr/include/sys/cdefs.h /usr/include/bits/wordsize.h \
/usr/include/gnu/stubs.h /usr/include/gnu/stubs-64.h \
/usr/include/bits/types.h /usr/include/bits/typesizes.h \
/usr/include/endian.h /usr/include/bits/endian.h \
/usr/include/bits/byteswap.h /usr/include/bits/byteswap-16.h \
/usr/include/xlocale.h \
/usr/lib/gcc/x86_64-redhat-linux/4.8.5/include/limits.h \
/usr/lib/gcc/x86_64-redhat-linux/4.8.5/include/syslimits.h \
/usr/include/limits.h /usr/include/bits/posix1_lim.h \
/usr/include/bits/local_lim.h /usr/include/linux/limits.h \
/usr/include/bits/posix2_lim.h \
/usr/lib/gcc/x86_64-redhat-linux/4.8.5/include/stddef.h \
/usr/include/stdio.h /usr/include/libio.h /usr/include/_G_config.h \
/usr/include/wchar.h \
/usr/lib/gcc/x86_64-redhat-linux/4.8.5/include/stdarg.h \
/usr/include/bits/stdio_lim.h /usr/include/bits/sys_errlist.h \
/usr/include/bits/stdio.h /usr/include/stdlib.h \
/usr/include/bits/waitflags.h /usr/include/bits/waitstatus.h \
/usr/include/sys/types.h /usr/include/time.h /usr/include/sys/select.h \
/usr/include/bits/select.h /usr/include/bits/sigset.h \
/usr/include/bits/time.h /usr/include/sys/sysmacros.h \
/usr/include/bits/pthreadtypes.h /usr/include/alloca.h \
/usr/include/bits/stdlib-float.h /usr/include/string.h \
/usr/include/bits/string.h /usr/include/bits/string2.h \
/usr/lib/gcc/x86_64-redhat-linux/4.8.5/include/stdint.h \
/usr/include/stdint.h /usr/include/bits/wchar.h pcre.h ucp.h
/usr/include/stdc-predef.h:
config.h:
pcre_internal.h:
/usr/include/ctype.h:
/usr/include/features.h:
/usr/include/sys/cdefs.h:
/usr/include/bits/wordsize.h:
/usr/include/gnu/stubs.h:
/usr/include/gnu/stubs-64.h:
/usr/include/bits/types.h:
/usr/include/bits/typesizes.h:
/usr/include/endian.h:
/usr/include/bits/endian.h:
/usr/include/bits/byteswap.h:
/usr/include/bits/byteswap-16.h:
/usr/include/xlocale.h:
/usr/lib/gcc/x86_64-redhat-linux/4.8.5/include/limits.h:
/usr/lib/gcc/x86_64-redhat-linux/4.8.5/include/syslimits.h:
/usr/include/limits.h:
/usr/include/bits/posix1_lim.h:
/usr/include/bits/local_lim.h:
/usr/include/linux/limits.h:
/usr/include/bits/posix2_lim.h:
/usr/lib/gcc/x86_64-redhat-linux/4.8.5/include/stddef.h:
/usr/include/stdio.h:
/usr/include/libio.h:
/usr/include/_G_config.h:
/usr/include/wchar.h:
/usr/lib/gcc/x86_64-redhat-linux/4.8.5/include/stdarg.h:
/usr/include/bits/stdio_lim.h:
/usr/include/bits/sys_errlist.h:
/usr/include/bits/stdio.h:
/usr/include/stdlib.h:
/usr/include/bits/waitflags.h:
/usr/include/bits/waitstatus.h:
/usr/include/sys/types.h:
/usr/include/time.h:
/usr/include/sys/select.h:
/usr/include/bits/select.h:
/usr/include/bits/sigset.h:
/usr/include/bits/time.h:
/usr/include/sys/sysmacros.h:
/usr/include/bits/pthreadtypes.h:
/usr/include/alloca.h:
/usr/include/bits/stdlib-float.h:
/usr/include/string.h:
/usr/include/bits/string.h:
/usr/include/bits/string2.h:
/usr/lib/gcc/x86_64-redhat-linux/4.8.5/include/stdint.h:
/usr/include/stdint.h:
/usr/include/bits/wchar.h:
pcre.h:
ucp.h:
@@ -0,0 +1,134 @@
libpcre_la-pcre_config.lo: pcre_config.c /usr/include/stdc-predef.h \
config.h pcre_internal.h /usr/include/ctype.h /usr/include/features.h \
/usr/include/sys/cdefs.h /usr/include/bits/wordsize.h \
/usr/include/gnu/stubs.h /usr/include/gnu/stubs-64.h \
/usr/include/bits/types.h /usr/include/bits/typesizes.h \
/usr/include/endian.h /usr/include/bits/endian.h \
/usr/include/bits/byteswap.h /usr/include/bits/byteswap-16.h \
/usr/include/xlocale.h \
/usr/lib/gcc/x86_64-redhat-linux/4.8.5/include/limits.h \
/usr/lib/gcc/x86_64-redhat-linux/4.8.5/include/syslimits.h \
/usr/include/limits.h /usr/include/bits/posix1_lim.h \
/usr/include/bits/local_lim.h /usr/include/linux/limits.h \
/usr/include/bits/posix2_lim.h \
/usr/lib/gcc/x86_64-redhat-linux/4.8.5/include/stddef.h \
/usr/include/stdio.h /usr/include/libio.h /usr/include/_G_config.h \
/usr/include/wchar.h \
/usr/lib/gcc/x86_64-redhat-linux/4.8.5/include/stdarg.h \
/usr/include/bits/stdio_lim.h /usr/include/bits/sys_errlist.h \
/usr/include/bits/stdio.h /usr/include/stdlib.h \
/usr/include/bits/waitflags.h /usr/include/bits/waitstatus.h \
/usr/include/sys/types.h /usr/include/time.h /usr/include/sys/select.h \
/usr/include/bits/select.h /usr/include/bits/sigset.h \
/usr/include/bits/time.h /usr/include/sys/sysmacros.h \
/usr/include/bits/pthreadtypes.h /usr/include/alloca.h \
/usr/include/bits/stdlib-float.h /usr/include/string.h \
/usr/include/bits/string.h /usr/include/bits/string2.h \
/usr/lib/gcc/x86_64-redhat-linux/4.8.5/include/stdint.h \
/usr/include/stdint.h /usr/include/bits/wchar.h pcre.h ucp.h
/usr/include/stdc-predef.h:
config.h:
pcre_internal.h:
/usr/include/ctype.h:
/usr/include/features.h:
/usr/include/sys/cdefs.h:
/usr/include/bits/wordsize.h:
/usr/include/gnu/stubs.h:
/usr/include/gnu/stubs-64.h:
/usr/include/bits/types.h:
/usr/include/bits/typesizes.h:
/usr/include/endian.h:
/usr/include/bits/endian.h:
/usr/include/bits/byteswap.h:
/usr/include/bits/byteswap-16.h:
/usr/include/xlocale.h:
/usr/lib/gcc/x86_64-redhat-linux/4.8.5/include/limits.h:
/usr/lib/gcc/x86_64-redhat-linux/4.8.5/include/syslimits.h:
/usr/include/limits.h:
/usr/include/bits/posix1_lim.h:
/usr/include/bits/local_lim.h:
/usr/include/linux/limits.h:
/usr/include/bits/posix2_lim.h:
/usr/lib/gcc/x86_64-redhat-linux/4.8.5/include/stddef.h:
/usr/include/stdio.h:
/usr/include/libio.h:
/usr/include/_G_config.h:
/usr/include/wchar.h:
/usr/lib/gcc/x86_64-redhat-linux/4.8.5/include/stdarg.h:
/usr/include/bits/stdio_lim.h:
/usr/include/bits/sys_errlist.h:
/usr/include/bits/stdio.h:
/usr/include/stdlib.h:
/usr/include/bits/waitflags.h:
/usr/include/bits/waitstatus.h:
/usr/include/sys/types.h:
/usr/include/time.h:
/usr/include/sys/select.h:
/usr/include/bits/select.h:
/usr/include/bits/sigset.h:
/usr/include/bits/time.h:
/usr/include/sys/sysmacros.h:
/usr/include/bits/pthreadtypes.h:
/usr/include/alloca.h:
/usr/include/bits/stdlib-float.h:
/usr/include/string.h:
/usr/include/bits/string.h:
/usr/include/bits/string2.h:
/usr/lib/gcc/x86_64-redhat-linux/4.8.5/include/stdint.h:
/usr/include/stdint.h:
/usr/include/bits/wchar.h:
pcre.h:
ucp.h:
@@ -0,0 +1,134 @@
libpcre_la-pcre_dfa_exec.lo: pcre_dfa_exec.c /usr/include/stdc-predef.h \
config.h pcre_internal.h /usr/include/ctype.h /usr/include/features.h \
/usr/include/sys/cdefs.h /usr/include/bits/wordsize.h \
/usr/include/gnu/stubs.h /usr/include/gnu/stubs-64.h \
/usr/include/bits/types.h /usr/include/bits/typesizes.h \
/usr/include/endian.h /usr/include/bits/endian.h \
/usr/include/bits/byteswap.h /usr/include/bits/byteswap-16.h \
/usr/include/xlocale.h \
/usr/lib/gcc/x86_64-redhat-linux/4.8.5/include/limits.h \
/usr/lib/gcc/x86_64-redhat-linux/4.8.5/include/syslimits.h \
/usr/include/limits.h /usr/include/bits/posix1_lim.h \
/usr/include/bits/local_lim.h /usr/include/linux/limits.h \
/usr/include/bits/posix2_lim.h \
/usr/lib/gcc/x86_64-redhat-linux/4.8.5/include/stddef.h \
/usr/include/stdio.h /usr/include/libio.h /usr/include/_G_config.h \
/usr/include/wchar.h \
/usr/lib/gcc/x86_64-redhat-linux/4.8.5/include/stdarg.h \
/usr/include/bits/stdio_lim.h /usr/include/bits/sys_errlist.h \
/usr/include/bits/stdio.h /usr/include/stdlib.h \
/usr/include/bits/waitflags.h /usr/include/bits/waitstatus.h \
/usr/include/sys/types.h /usr/include/time.h /usr/include/sys/select.h \
/usr/include/bits/select.h /usr/include/bits/sigset.h \
/usr/include/bits/time.h /usr/include/sys/sysmacros.h \
/usr/include/bits/pthreadtypes.h /usr/include/alloca.h \
/usr/include/bits/stdlib-float.h /usr/include/string.h \
/usr/include/bits/string.h /usr/include/bits/string2.h \
/usr/lib/gcc/x86_64-redhat-linux/4.8.5/include/stdint.h \
/usr/include/stdint.h /usr/include/bits/wchar.h pcre.h ucp.h
/usr/include/stdc-predef.h:
config.h:
pcre_internal.h:
/usr/include/ctype.h:
/usr/include/features.h:
/usr/include/sys/cdefs.h:
/usr/include/bits/wordsize.h:
/usr/include/gnu/stubs.h:
/usr/include/gnu/stubs-64.h:
/usr/include/bits/types.h:
/usr/include/bits/typesizes.h:
/usr/include/endian.h:
/usr/include/bits/endian.h:
/usr/include/bits/byteswap.h:
/usr/include/bits/byteswap-16.h:
/usr/include/xlocale.h:
/usr/lib/gcc/x86_64-redhat-linux/4.8.5/include/limits.h:
/usr/lib/gcc/x86_64-redhat-linux/4.8.5/include/syslimits.h:
/usr/include/limits.h:
/usr/include/bits/posix1_lim.h:
/usr/include/bits/local_lim.h:
/usr/include/linux/limits.h:
/usr/include/bits/posix2_lim.h:
/usr/lib/gcc/x86_64-redhat-linux/4.8.5/include/stddef.h:
/usr/include/stdio.h:
/usr/include/libio.h:
/usr/include/_G_config.h:
/usr/include/wchar.h:
/usr/lib/gcc/x86_64-redhat-linux/4.8.5/include/stdarg.h:
/usr/include/bits/stdio_lim.h:
/usr/include/bits/sys_errlist.h:
/usr/include/bits/stdio.h:
/usr/include/stdlib.h:
/usr/include/bits/waitflags.h:
/usr/include/bits/waitstatus.h:
/usr/include/sys/types.h:
/usr/include/time.h:
/usr/include/sys/select.h:
/usr/include/bits/select.h:
/usr/include/bits/sigset.h:
/usr/include/bits/time.h:
/usr/include/sys/sysmacros.h:
/usr/include/bits/pthreadtypes.h:
/usr/include/alloca.h:
/usr/include/bits/stdlib-float.h:
/usr/include/string.h:
/usr/include/bits/string.h:
/usr/include/bits/string2.h:
/usr/lib/gcc/x86_64-redhat-linux/4.8.5/include/stdint.h:
/usr/include/stdint.h:
/usr/include/bits/wchar.h:
pcre.h:
ucp.h:
@@ -0,0 +1,134 @@
libpcre_la-pcre_exec.lo: pcre_exec.c /usr/include/stdc-predef.h config.h \
pcre_internal.h /usr/include/ctype.h /usr/include/features.h \
/usr/include/sys/cdefs.h /usr/include/bits/wordsize.h \
/usr/include/gnu/stubs.h /usr/include/gnu/stubs-64.h \
/usr/include/bits/types.h /usr/include/bits/typesizes.h \
/usr/include/endian.h /usr/include/bits/endian.h \
/usr/include/bits/byteswap.h /usr/include/bits/byteswap-16.h \
/usr/include/xlocale.h \
/usr/lib/gcc/x86_64-redhat-linux/4.8.5/include/limits.h \
/usr/lib/gcc/x86_64-redhat-linux/4.8.5/include/syslimits.h \
/usr/include/limits.h /usr/include/bits/posix1_lim.h \
/usr/include/bits/local_lim.h /usr/include/linux/limits.h \
/usr/include/bits/posix2_lim.h \
/usr/lib/gcc/x86_64-redhat-linux/4.8.5/include/stddef.h \
/usr/include/stdio.h /usr/include/libio.h /usr/include/_G_config.h \
/usr/include/wchar.h \
/usr/lib/gcc/x86_64-redhat-linux/4.8.5/include/stdarg.h \
/usr/include/bits/stdio_lim.h /usr/include/bits/sys_errlist.h \
/usr/include/bits/stdio.h /usr/include/stdlib.h \
/usr/include/bits/waitflags.h /usr/include/bits/waitstatus.h \
/usr/include/sys/types.h /usr/include/time.h /usr/include/sys/select.h \
/usr/include/bits/select.h /usr/include/bits/sigset.h \
/usr/include/bits/time.h /usr/include/sys/sysmacros.h \
/usr/include/bits/pthreadtypes.h /usr/include/alloca.h \
/usr/include/bits/stdlib-float.h /usr/include/string.h \
/usr/include/bits/string.h /usr/include/bits/string2.h \
/usr/lib/gcc/x86_64-redhat-linux/4.8.5/include/stdint.h \
/usr/include/stdint.h /usr/include/bits/wchar.h pcre.h ucp.h
/usr/include/stdc-predef.h:
config.h:
pcre_internal.h:
/usr/include/ctype.h:
/usr/include/features.h:
/usr/include/sys/cdefs.h:
/usr/include/bits/wordsize.h:
/usr/include/gnu/stubs.h:
/usr/include/gnu/stubs-64.h:
/usr/include/bits/types.h:
/usr/include/bits/typesizes.h:
/usr/include/endian.h:
/usr/include/bits/endian.h:
/usr/include/bits/byteswap.h:
/usr/include/bits/byteswap-16.h:
/usr/include/xlocale.h:
/usr/lib/gcc/x86_64-redhat-linux/4.8.5/include/limits.h:
/usr/lib/gcc/x86_64-redhat-linux/4.8.5/include/syslimits.h:
/usr/include/limits.h:
/usr/include/bits/posix1_lim.h:
/usr/include/bits/local_lim.h:
/usr/include/linux/limits.h:
/usr/include/bits/posix2_lim.h:
/usr/lib/gcc/x86_64-redhat-linux/4.8.5/include/stddef.h:
/usr/include/stdio.h:
/usr/include/libio.h:
/usr/include/_G_config.h:
/usr/include/wchar.h:
/usr/lib/gcc/x86_64-redhat-linux/4.8.5/include/stdarg.h:
/usr/include/bits/stdio_lim.h:
/usr/include/bits/sys_errlist.h:
/usr/include/bits/stdio.h:
/usr/include/stdlib.h:
/usr/include/bits/waitflags.h:
/usr/include/bits/waitstatus.h:
/usr/include/sys/types.h:
/usr/include/time.h:
/usr/include/sys/select.h:
/usr/include/bits/select.h:
/usr/include/bits/sigset.h:
/usr/include/bits/time.h:
/usr/include/sys/sysmacros.h:
/usr/include/bits/pthreadtypes.h:
/usr/include/alloca.h:
/usr/include/bits/stdlib-float.h:
/usr/include/string.h:
/usr/include/bits/string.h:
/usr/include/bits/string2.h:
/usr/lib/gcc/x86_64-redhat-linux/4.8.5/include/stdint.h:
/usr/include/stdint.h:
/usr/include/bits/wchar.h:
pcre.h:
ucp.h:
@@ -0,0 +1,134 @@
libpcre_la-pcre_fullinfo.lo: pcre_fullinfo.c /usr/include/stdc-predef.h \
config.h pcre_internal.h /usr/include/ctype.h /usr/include/features.h \
/usr/include/sys/cdefs.h /usr/include/bits/wordsize.h \
/usr/include/gnu/stubs.h /usr/include/gnu/stubs-64.h \
/usr/include/bits/types.h /usr/include/bits/typesizes.h \
/usr/include/endian.h /usr/include/bits/endian.h \
/usr/include/bits/byteswap.h /usr/include/bits/byteswap-16.h \
/usr/include/xlocale.h \
/usr/lib/gcc/x86_64-redhat-linux/4.8.5/include/limits.h \
/usr/lib/gcc/x86_64-redhat-linux/4.8.5/include/syslimits.h \
/usr/include/limits.h /usr/include/bits/posix1_lim.h \
/usr/include/bits/local_lim.h /usr/include/linux/limits.h \
/usr/include/bits/posix2_lim.h \
/usr/lib/gcc/x86_64-redhat-linux/4.8.5/include/stddef.h \
/usr/include/stdio.h /usr/include/libio.h /usr/include/_G_config.h \
/usr/include/wchar.h \
/usr/lib/gcc/x86_64-redhat-linux/4.8.5/include/stdarg.h \
/usr/include/bits/stdio_lim.h /usr/include/bits/sys_errlist.h \
/usr/include/bits/stdio.h /usr/include/stdlib.h \
/usr/include/bits/waitflags.h /usr/include/bits/waitstatus.h \
/usr/include/sys/types.h /usr/include/time.h /usr/include/sys/select.h \
/usr/include/bits/select.h /usr/include/bits/sigset.h \
/usr/include/bits/time.h /usr/include/sys/sysmacros.h \
/usr/include/bits/pthreadtypes.h /usr/include/alloca.h \
/usr/include/bits/stdlib-float.h /usr/include/string.h \
/usr/include/bits/string.h /usr/include/bits/string2.h \
/usr/lib/gcc/x86_64-redhat-linux/4.8.5/include/stdint.h \
/usr/include/stdint.h /usr/include/bits/wchar.h pcre.h ucp.h
/usr/include/stdc-predef.h:
config.h:
pcre_internal.h:
/usr/include/ctype.h:
/usr/include/features.h:
/usr/include/sys/cdefs.h:
/usr/include/bits/wordsize.h:
/usr/include/gnu/stubs.h:
/usr/include/gnu/stubs-64.h:
/usr/include/bits/types.h:
/usr/include/bits/typesizes.h:
/usr/include/endian.h:
/usr/include/bits/endian.h:
/usr/include/bits/byteswap.h:
/usr/include/bits/byteswap-16.h:
/usr/include/xlocale.h:
/usr/lib/gcc/x86_64-redhat-linux/4.8.5/include/limits.h:
/usr/lib/gcc/x86_64-redhat-linux/4.8.5/include/syslimits.h:
/usr/include/limits.h:
/usr/include/bits/posix1_lim.h:
/usr/include/bits/local_lim.h:
/usr/include/linux/limits.h:
/usr/include/bits/posix2_lim.h:
/usr/lib/gcc/x86_64-redhat-linux/4.8.5/include/stddef.h:
/usr/include/stdio.h:
/usr/include/libio.h:
/usr/include/_G_config.h:
/usr/include/wchar.h:
/usr/lib/gcc/x86_64-redhat-linux/4.8.5/include/stdarg.h:
/usr/include/bits/stdio_lim.h:
/usr/include/bits/sys_errlist.h:
/usr/include/bits/stdio.h:
/usr/include/stdlib.h:
/usr/include/bits/waitflags.h:
/usr/include/bits/waitstatus.h:
/usr/include/sys/types.h:
/usr/include/time.h:
/usr/include/sys/select.h:
/usr/include/bits/select.h:
/usr/include/bits/sigset.h:
/usr/include/bits/time.h:
/usr/include/sys/sysmacros.h:
/usr/include/bits/pthreadtypes.h:
/usr/include/alloca.h:
/usr/include/bits/stdlib-float.h:
/usr/include/string.h:
/usr/include/bits/string.h:
/usr/include/bits/string2.h:
/usr/lib/gcc/x86_64-redhat-linux/4.8.5/include/stdint.h:
/usr/include/stdint.h:
/usr/include/bits/wchar.h:
pcre.h:
ucp.h:
+134
View File
@@ -0,0 +1,134 @@
libpcre_la-pcre_get.lo: pcre_get.c /usr/include/stdc-predef.h config.h \
pcre_internal.h /usr/include/ctype.h /usr/include/features.h \
/usr/include/sys/cdefs.h /usr/include/bits/wordsize.h \
/usr/include/gnu/stubs.h /usr/include/gnu/stubs-64.h \
/usr/include/bits/types.h /usr/include/bits/typesizes.h \
/usr/include/endian.h /usr/include/bits/endian.h \
/usr/include/bits/byteswap.h /usr/include/bits/byteswap-16.h \
/usr/include/xlocale.h \
/usr/lib/gcc/x86_64-redhat-linux/4.8.5/include/limits.h \
/usr/lib/gcc/x86_64-redhat-linux/4.8.5/include/syslimits.h \
/usr/include/limits.h /usr/include/bits/posix1_lim.h \
/usr/include/bits/local_lim.h /usr/include/linux/limits.h \
/usr/include/bits/posix2_lim.h \
/usr/lib/gcc/x86_64-redhat-linux/4.8.5/include/stddef.h \
/usr/include/stdio.h /usr/include/libio.h /usr/include/_G_config.h \
/usr/include/wchar.h \
/usr/lib/gcc/x86_64-redhat-linux/4.8.5/include/stdarg.h \
/usr/include/bits/stdio_lim.h /usr/include/bits/sys_errlist.h \
/usr/include/bits/stdio.h /usr/include/stdlib.h \
/usr/include/bits/waitflags.h /usr/include/bits/waitstatus.h \
/usr/include/sys/types.h /usr/include/time.h /usr/include/sys/select.h \
/usr/include/bits/select.h /usr/include/bits/sigset.h \
/usr/include/bits/time.h /usr/include/sys/sysmacros.h \
/usr/include/bits/pthreadtypes.h /usr/include/alloca.h \
/usr/include/bits/stdlib-float.h /usr/include/string.h \
/usr/include/bits/string.h /usr/include/bits/string2.h \
/usr/lib/gcc/x86_64-redhat-linux/4.8.5/include/stdint.h \
/usr/include/stdint.h /usr/include/bits/wchar.h pcre.h ucp.h
/usr/include/stdc-predef.h:
config.h:
pcre_internal.h:
/usr/include/ctype.h:
/usr/include/features.h:
/usr/include/sys/cdefs.h:
/usr/include/bits/wordsize.h:
/usr/include/gnu/stubs.h:
/usr/include/gnu/stubs-64.h:
/usr/include/bits/types.h:
/usr/include/bits/typesizes.h:
/usr/include/endian.h:
/usr/include/bits/endian.h:
/usr/include/bits/byteswap.h:
/usr/include/bits/byteswap-16.h:
/usr/include/xlocale.h:
/usr/lib/gcc/x86_64-redhat-linux/4.8.5/include/limits.h:
/usr/lib/gcc/x86_64-redhat-linux/4.8.5/include/syslimits.h:
/usr/include/limits.h:
/usr/include/bits/posix1_lim.h:
/usr/include/bits/local_lim.h:
/usr/include/linux/limits.h:
/usr/include/bits/posix2_lim.h:
/usr/lib/gcc/x86_64-redhat-linux/4.8.5/include/stddef.h:
/usr/include/stdio.h:
/usr/include/libio.h:
/usr/include/_G_config.h:
/usr/include/wchar.h:
/usr/lib/gcc/x86_64-redhat-linux/4.8.5/include/stdarg.h:
/usr/include/bits/stdio_lim.h:
/usr/include/bits/sys_errlist.h:
/usr/include/bits/stdio.h:
/usr/include/stdlib.h:
/usr/include/bits/waitflags.h:
/usr/include/bits/waitstatus.h:
/usr/include/sys/types.h:
/usr/include/time.h:
/usr/include/sys/select.h:
/usr/include/bits/select.h:
/usr/include/bits/sigset.h:
/usr/include/bits/time.h:
/usr/include/sys/sysmacros.h:
/usr/include/bits/pthreadtypes.h:
/usr/include/alloca.h:
/usr/include/bits/stdlib-float.h:
/usr/include/string.h:
/usr/include/bits/string.h:
/usr/include/bits/string2.h:
/usr/lib/gcc/x86_64-redhat-linux/4.8.5/include/stdint.h:
/usr/include/stdint.h:
/usr/include/bits/wchar.h:
pcre.h:
ucp.h:
@@ -0,0 +1,134 @@
libpcre_la-pcre_globals.lo: pcre_globals.c /usr/include/stdc-predef.h \
config.h pcre_internal.h /usr/include/ctype.h /usr/include/features.h \
/usr/include/sys/cdefs.h /usr/include/bits/wordsize.h \
/usr/include/gnu/stubs.h /usr/include/gnu/stubs-64.h \
/usr/include/bits/types.h /usr/include/bits/typesizes.h \
/usr/include/endian.h /usr/include/bits/endian.h \
/usr/include/bits/byteswap.h /usr/include/bits/byteswap-16.h \
/usr/include/xlocale.h \
/usr/lib/gcc/x86_64-redhat-linux/4.8.5/include/limits.h \
/usr/lib/gcc/x86_64-redhat-linux/4.8.5/include/syslimits.h \
/usr/include/limits.h /usr/include/bits/posix1_lim.h \
/usr/include/bits/local_lim.h /usr/include/linux/limits.h \
/usr/include/bits/posix2_lim.h \
/usr/lib/gcc/x86_64-redhat-linux/4.8.5/include/stddef.h \
/usr/include/stdio.h /usr/include/libio.h /usr/include/_G_config.h \
/usr/include/wchar.h \
/usr/lib/gcc/x86_64-redhat-linux/4.8.5/include/stdarg.h \
/usr/include/bits/stdio_lim.h /usr/include/bits/sys_errlist.h \
/usr/include/bits/stdio.h /usr/include/stdlib.h \
/usr/include/bits/waitflags.h /usr/include/bits/waitstatus.h \
/usr/include/sys/types.h /usr/include/time.h /usr/include/sys/select.h \
/usr/include/bits/select.h /usr/include/bits/sigset.h \
/usr/include/bits/time.h /usr/include/sys/sysmacros.h \
/usr/include/bits/pthreadtypes.h /usr/include/alloca.h \
/usr/include/bits/stdlib-float.h /usr/include/string.h \
/usr/include/bits/string.h /usr/include/bits/string2.h \
/usr/lib/gcc/x86_64-redhat-linux/4.8.5/include/stdint.h \
/usr/include/stdint.h /usr/include/bits/wchar.h pcre.h ucp.h
/usr/include/stdc-predef.h:
config.h:
pcre_internal.h:
/usr/include/ctype.h:
/usr/include/features.h:
/usr/include/sys/cdefs.h:
/usr/include/bits/wordsize.h:
/usr/include/gnu/stubs.h:
/usr/include/gnu/stubs-64.h:
/usr/include/bits/types.h:
/usr/include/bits/typesizes.h:
/usr/include/endian.h:
/usr/include/bits/endian.h:
/usr/include/bits/byteswap.h:
/usr/include/bits/byteswap-16.h:
/usr/include/xlocale.h:
/usr/lib/gcc/x86_64-redhat-linux/4.8.5/include/limits.h:
/usr/lib/gcc/x86_64-redhat-linux/4.8.5/include/syslimits.h:
/usr/include/limits.h:
/usr/include/bits/posix1_lim.h:
/usr/include/bits/local_lim.h:
/usr/include/linux/limits.h:
/usr/include/bits/posix2_lim.h:
/usr/lib/gcc/x86_64-redhat-linux/4.8.5/include/stddef.h:
/usr/include/stdio.h:
/usr/include/libio.h:
/usr/include/_G_config.h:
/usr/include/wchar.h:
/usr/lib/gcc/x86_64-redhat-linux/4.8.5/include/stdarg.h:
/usr/include/bits/stdio_lim.h:
/usr/include/bits/sys_errlist.h:
/usr/include/bits/stdio.h:
/usr/include/stdlib.h:
/usr/include/bits/waitflags.h:
/usr/include/bits/waitstatus.h:
/usr/include/sys/types.h:
/usr/include/time.h:
/usr/include/sys/select.h:
/usr/include/bits/select.h:
/usr/include/bits/sigset.h:
/usr/include/bits/time.h:
/usr/include/sys/sysmacros.h:
/usr/include/bits/pthreadtypes.h:
/usr/include/alloca.h:
/usr/include/bits/stdlib-float.h:
/usr/include/string.h:
/usr/include/bits/string.h:
/usr/include/bits/string2.h:
/usr/lib/gcc/x86_64-redhat-linux/4.8.5/include/stdint.h:
/usr/include/stdint.h:
/usr/include/bits/wchar.h:
pcre.h:
ucp.h:
@@ -0,0 +1,181 @@
libpcre_la-pcre_jit_compile.lo: pcre_jit_compile.c \
/usr/include/stdc-predef.h config.h pcre_internal.h /usr/include/ctype.h \
/usr/include/features.h /usr/include/sys/cdefs.h \
/usr/include/bits/wordsize.h /usr/include/gnu/stubs.h \
/usr/include/gnu/stubs-64.h /usr/include/bits/types.h \
/usr/include/bits/typesizes.h /usr/include/endian.h \
/usr/include/bits/endian.h /usr/include/bits/byteswap.h \
/usr/include/bits/byteswap-16.h /usr/include/xlocale.h \
/usr/lib/gcc/x86_64-redhat-linux/4.8.5/include/limits.h \
/usr/lib/gcc/x86_64-redhat-linux/4.8.5/include/syslimits.h \
/usr/include/limits.h /usr/include/bits/posix1_lim.h \
/usr/include/bits/local_lim.h /usr/include/linux/limits.h \
/usr/include/bits/posix2_lim.h \
/usr/lib/gcc/x86_64-redhat-linux/4.8.5/include/stddef.h \
/usr/include/stdio.h /usr/include/libio.h /usr/include/_G_config.h \
/usr/include/wchar.h \
/usr/lib/gcc/x86_64-redhat-linux/4.8.5/include/stdarg.h \
/usr/include/bits/stdio_lim.h /usr/include/bits/sys_errlist.h \
/usr/include/bits/stdio.h /usr/include/stdlib.h \
/usr/include/bits/waitflags.h /usr/include/bits/waitstatus.h \
/usr/include/sys/types.h /usr/include/time.h /usr/include/sys/select.h \
/usr/include/bits/select.h /usr/include/bits/sigset.h \
/usr/include/bits/time.h /usr/include/sys/sysmacros.h \
/usr/include/bits/pthreadtypes.h /usr/include/alloca.h \
/usr/include/bits/stdlib-float.h /usr/include/string.h \
/usr/include/bits/string.h /usr/include/bits/string2.h \
/usr/lib/gcc/x86_64-redhat-linux/4.8.5/include/stdint.h \
/usr/include/stdint.h /usr/include/bits/wchar.h pcre.h ucp.h \
sljit/sljitLir.c sljit/sljitLir.h sljit/sljitConfig.h \
sljit/sljitConfigInternal.h sljit/sljitUtils.c /usr/include/pthread.h \
/usr/include/sched.h /usr/include/bits/sched.h \
/usr/include/bits/setjmp.h /usr/include/sys/mman.h \
/usr/include/bits/mman.h /usr/include/unistd.h \
/usr/include/bits/posix_opt.h /usr/include/bits/environments.h \
/usr/include/bits/confname.h /usr/include/getopt.h \
sljit/sljitExecAllocator.c sljit/sljitNativeX86_common.c \
sljit/sljitNativeX86_64.c
/usr/include/stdc-predef.h:
config.h:
pcre_internal.h:
/usr/include/ctype.h:
/usr/include/features.h:
/usr/include/sys/cdefs.h:
/usr/include/bits/wordsize.h:
/usr/include/gnu/stubs.h:
/usr/include/gnu/stubs-64.h:
/usr/include/bits/types.h:
/usr/include/bits/typesizes.h:
/usr/include/endian.h:
/usr/include/bits/endian.h:
/usr/include/bits/byteswap.h:
/usr/include/bits/byteswap-16.h:
/usr/include/xlocale.h:
/usr/lib/gcc/x86_64-redhat-linux/4.8.5/include/limits.h:
/usr/lib/gcc/x86_64-redhat-linux/4.8.5/include/syslimits.h:
/usr/include/limits.h:
/usr/include/bits/posix1_lim.h:
/usr/include/bits/local_lim.h:
/usr/include/linux/limits.h:
/usr/include/bits/posix2_lim.h:
/usr/lib/gcc/x86_64-redhat-linux/4.8.5/include/stddef.h:
/usr/include/stdio.h:
/usr/include/libio.h:
/usr/include/_G_config.h:
/usr/include/wchar.h:
/usr/lib/gcc/x86_64-redhat-linux/4.8.5/include/stdarg.h:
/usr/include/bits/stdio_lim.h:
/usr/include/bits/sys_errlist.h:
/usr/include/bits/stdio.h:
/usr/include/stdlib.h:
/usr/include/bits/waitflags.h:
/usr/include/bits/waitstatus.h:
/usr/include/sys/types.h:
/usr/include/time.h:
/usr/include/sys/select.h:
/usr/include/bits/select.h:
/usr/include/bits/sigset.h:
/usr/include/bits/time.h:
/usr/include/sys/sysmacros.h:
/usr/include/bits/pthreadtypes.h:
/usr/include/alloca.h:
/usr/include/bits/stdlib-float.h:
/usr/include/string.h:
/usr/include/bits/string.h:
/usr/include/bits/string2.h:
/usr/lib/gcc/x86_64-redhat-linux/4.8.5/include/stdint.h:
/usr/include/stdint.h:
/usr/include/bits/wchar.h:
pcre.h:
ucp.h:
sljit/sljitLir.c:
sljit/sljitLir.h:
sljit/sljitConfig.h:
sljit/sljitConfigInternal.h:
sljit/sljitUtils.c:
/usr/include/pthread.h:
/usr/include/sched.h:
/usr/include/bits/sched.h:
/usr/include/bits/setjmp.h:
/usr/include/sys/mman.h:
/usr/include/bits/mman.h:
/usr/include/unistd.h:
/usr/include/bits/posix_opt.h:
/usr/include/bits/environments.h:
/usr/include/bits/confname.h:
/usr/include/getopt.h:
sljit/sljitExecAllocator.c:
sljit/sljitNativeX86_common.c:
sljit/sljitNativeX86_64.c:
@@ -0,0 +1,134 @@
libpcre_la-pcre_maketables.lo: pcre_maketables.c \
/usr/include/stdc-predef.h config.h pcre_internal.h /usr/include/ctype.h \
/usr/include/features.h /usr/include/sys/cdefs.h \
/usr/include/bits/wordsize.h /usr/include/gnu/stubs.h \
/usr/include/gnu/stubs-64.h /usr/include/bits/types.h \
/usr/include/bits/typesizes.h /usr/include/endian.h \
/usr/include/bits/endian.h /usr/include/bits/byteswap.h \
/usr/include/bits/byteswap-16.h /usr/include/xlocale.h \
/usr/lib/gcc/x86_64-redhat-linux/4.8.5/include/limits.h \
/usr/lib/gcc/x86_64-redhat-linux/4.8.5/include/syslimits.h \
/usr/include/limits.h /usr/include/bits/posix1_lim.h \
/usr/include/bits/local_lim.h /usr/include/linux/limits.h \
/usr/include/bits/posix2_lim.h \
/usr/lib/gcc/x86_64-redhat-linux/4.8.5/include/stddef.h \
/usr/include/stdio.h /usr/include/libio.h /usr/include/_G_config.h \
/usr/include/wchar.h \
/usr/lib/gcc/x86_64-redhat-linux/4.8.5/include/stdarg.h \
/usr/include/bits/stdio_lim.h /usr/include/bits/sys_errlist.h \
/usr/include/bits/stdio.h /usr/include/stdlib.h \
/usr/include/bits/waitflags.h /usr/include/bits/waitstatus.h \
/usr/include/sys/types.h /usr/include/time.h /usr/include/sys/select.h \
/usr/include/bits/select.h /usr/include/bits/sigset.h \
/usr/include/bits/time.h /usr/include/sys/sysmacros.h \
/usr/include/bits/pthreadtypes.h /usr/include/alloca.h \
/usr/include/bits/stdlib-float.h /usr/include/string.h \
/usr/include/bits/string.h /usr/include/bits/string2.h \
/usr/lib/gcc/x86_64-redhat-linux/4.8.5/include/stdint.h \
/usr/include/stdint.h /usr/include/bits/wchar.h pcre.h ucp.h
/usr/include/stdc-predef.h:
config.h:
pcre_internal.h:
/usr/include/ctype.h:
/usr/include/features.h:
/usr/include/sys/cdefs.h:
/usr/include/bits/wordsize.h:
/usr/include/gnu/stubs.h:
/usr/include/gnu/stubs-64.h:
/usr/include/bits/types.h:
/usr/include/bits/typesizes.h:
/usr/include/endian.h:
/usr/include/bits/endian.h:
/usr/include/bits/byteswap.h:
/usr/include/bits/byteswap-16.h:
/usr/include/xlocale.h:
/usr/lib/gcc/x86_64-redhat-linux/4.8.5/include/limits.h:
/usr/lib/gcc/x86_64-redhat-linux/4.8.5/include/syslimits.h:
/usr/include/limits.h:
/usr/include/bits/posix1_lim.h:
/usr/include/bits/local_lim.h:
/usr/include/linux/limits.h:
/usr/include/bits/posix2_lim.h:
/usr/lib/gcc/x86_64-redhat-linux/4.8.5/include/stddef.h:
/usr/include/stdio.h:
/usr/include/libio.h:
/usr/include/_G_config.h:
/usr/include/wchar.h:
/usr/lib/gcc/x86_64-redhat-linux/4.8.5/include/stdarg.h:
/usr/include/bits/stdio_lim.h:
/usr/include/bits/sys_errlist.h:
/usr/include/bits/stdio.h:
/usr/include/stdlib.h:
/usr/include/bits/waitflags.h:
/usr/include/bits/waitstatus.h:
/usr/include/sys/types.h:
/usr/include/time.h:
/usr/include/sys/select.h:
/usr/include/bits/select.h:
/usr/include/bits/sigset.h:
/usr/include/bits/time.h:
/usr/include/sys/sysmacros.h:
/usr/include/bits/pthreadtypes.h:
/usr/include/alloca.h:
/usr/include/bits/stdlib-float.h:
/usr/include/string.h:
/usr/include/bits/string.h:
/usr/include/bits/string2.h:
/usr/lib/gcc/x86_64-redhat-linux/4.8.5/include/stdint.h:
/usr/include/stdint.h:
/usr/include/bits/wchar.h:
pcre.h:
ucp.h:
@@ -0,0 +1,134 @@
libpcre_la-pcre_newline.lo: pcre_newline.c /usr/include/stdc-predef.h \
config.h pcre_internal.h /usr/include/ctype.h /usr/include/features.h \
/usr/include/sys/cdefs.h /usr/include/bits/wordsize.h \
/usr/include/gnu/stubs.h /usr/include/gnu/stubs-64.h \
/usr/include/bits/types.h /usr/include/bits/typesizes.h \
/usr/include/endian.h /usr/include/bits/endian.h \
/usr/include/bits/byteswap.h /usr/include/bits/byteswap-16.h \
/usr/include/xlocale.h \
/usr/lib/gcc/x86_64-redhat-linux/4.8.5/include/limits.h \
/usr/lib/gcc/x86_64-redhat-linux/4.8.5/include/syslimits.h \
/usr/include/limits.h /usr/include/bits/posix1_lim.h \
/usr/include/bits/local_lim.h /usr/include/linux/limits.h \
/usr/include/bits/posix2_lim.h \
/usr/lib/gcc/x86_64-redhat-linux/4.8.5/include/stddef.h \
/usr/include/stdio.h /usr/include/libio.h /usr/include/_G_config.h \
/usr/include/wchar.h \
/usr/lib/gcc/x86_64-redhat-linux/4.8.5/include/stdarg.h \
/usr/include/bits/stdio_lim.h /usr/include/bits/sys_errlist.h \
/usr/include/bits/stdio.h /usr/include/stdlib.h \
/usr/include/bits/waitflags.h /usr/include/bits/waitstatus.h \
/usr/include/sys/types.h /usr/include/time.h /usr/include/sys/select.h \
/usr/include/bits/select.h /usr/include/bits/sigset.h \
/usr/include/bits/time.h /usr/include/sys/sysmacros.h \
/usr/include/bits/pthreadtypes.h /usr/include/alloca.h \
/usr/include/bits/stdlib-float.h /usr/include/string.h \
/usr/include/bits/string.h /usr/include/bits/string2.h \
/usr/lib/gcc/x86_64-redhat-linux/4.8.5/include/stdint.h \
/usr/include/stdint.h /usr/include/bits/wchar.h pcre.h ucp.h
/usr/include/stdc-predef.h:
config.h:
pcre_internal.h:
/usr/include/ctype.h:
/usr/include/features.h:
/usr/include/sys/cdefs.h:
/usr/include/bits/wordsize.h:
/usr/include/gnu/stubs.h:
/usr/include/gnu/stubs-64.h:
/usr/include/bits/types.h:
/usr/include/bits/typesizes.h:
/usr/include/endian.h:
/usr/include/bits/endian.h:
/usr/include/bits/byteswap.h:
/usr/include/bits/byteswap-16.h:
/usr/include/xlocale.h:
/usr/lib/gcc/x86_64-redhat-linux/4.8.5/include/limits.h:
/usr/lib/gcc/x86_64-redhat-linux/4.8.5/include/syslimits.h:
/usr/include/limits.h:
/usr/include/bits/posix1_lim.h:
/usr/include/bits/local_lim.h:
/usr/include/linux/limits.h:
/usr/include/bits/posix2_lim.h:
/usr/lib/gcc/x86_64-redhat-linux/4.8.5/include/stddef.h:
/usr/include/stdio.h:
/usr/include/libio.h:
/usr/include/_G_config.h:
/usr/include/wchar.h:
/usr/lib/gcc/x86_64-redhat-linux/4.8.5/include/stdarg.h:
/usr/include/bits/stdio_lim.h:
/usr/include/bits/sys_errlist.h:
/usr/include/bits/stdio.h:
/usr/include/stdlib.h:
/usr/include/bits/waitflags.h:
/usr/include/bits/waitstatus.h:
/usr/include/sys/types.h:
/usr/include/time.h:
/usr/include/sys/select.h:
/usr/include/bits/select.h:
/usr/include/bits/sigset.h:
/usr/include/bits/time.h:
/usr/include/sys/sysmacros.h:
/usr/include/bits/pthreadtypes.h:
/usr/include/alloca.h:
/usr/include/bits/stdlib-float.h:
/usr/include/string.h:
/usr/include/bits/string.h:
/usr/include/bits/string2.h:
/usr/lib/gcc/x86_64-redhat-linux/4.8.5/include/stdint.h:
/usr/include/stdint.h:
/usr/include/bits/wchar.h:
pcre.h:
ucp.h:
@@ -0,0 +1,134 @@
libpcre_la-pcre_ord2utf8.lo: pcre_ord2utf8.c /usr/include/stdc-predef.h \
config.h pcre_internal.h /usr/include/ctype.h /usr/include/features.h \
/usr/include/sys/cdefs.h /usr/include/bits/wordsize.h \
/usr/include/gnu/stubs.h /usr/include/gnu/stubs-64.h \
/usr/include/bits/types.h /usr/include/bits/typesizes.h \
/usr/include/endian.h /usr/include/bits/endian.h \
/usr/include/bits/byteswap.h /usr/include/bits/byteswap-16.h \
/usr/include/xlocale.h \
/usr/lib/gcc/x86_64-redhat-linux/4.8.5/include/limits.h \
/usr/lib/gcc/x86_64-redhat-linux/4.8.5/include/syslimits.h \
/usr/include/limits.h /usr/include/bits/posix1_lim.h \
/usr/include/bits/local_lim.h /usr/include/linux/limits.h \
/usr/include/bits/posix2_lim.h \
/usr/lib/gcc/x86_64-redhat-linux/4.8.5/include/stddef.h \
/usr/include/stdio.h /usr/include/libio.h /usr/include/_G_config.h \
/usr/include/wchar.h \
/usr/lib/gcc/x86_64-redhat-linux/4.8.5/include/stdarg.h \
/usr/include/bits/stdio_lim.h /usr/include/bits/sys_errlist.h \
/usr/include/bits/stdio.h /usr/include/stdlib.h \
/usr/include/bits/waitflags.h /usr/include/bits/waitstatus.h \
/usr/include/sys/types.h /usr/include/time.h /usr/include/sys/select.h \
/usr/include/bits/select.h /usr/include/bits/sigset.h \
/usr/include/bits/time.h /usr/include/sys/sysmacros.h \
/usr/include/bits/pthreadtypes.h /usr/include/alloca.h \
/usr/include/bits/stdlib-float.h /usr/include/string.h \
/usr/include/bits/string.h /usr/include/bits/string2.h \
/usr/lib/gcc/x86_64-redhat-linux/4.8.5/include/stdint.h \
/usr/include/stdint.h /usr/include/bits/wchar.h pcre.h ucp.h
/usr/include/stdc-predef.h:
config.h:
pcre_internal.h:
/usr/include/ctype.h:
/usr/include/features.h:
/usr/include/sys/cdefs.h:
/usr/include/bits/wordsize.h:
/usr/include/gnu/stubs.h:
/usr/include/gnu/stubs-64.h:
/usr/include/bits/types.h:
/usr/include/bits/typesizes.h:
/usr/include/endian.h:
/usr/include/bits/endian.h:
/usr/include/bits/byteswap.h:
/usr/include/bits/byteswap-16.h:
/usr/include/xlocale.h:
/usr/lib/gcc/x86_64-redhat-linux/4.8.5/include/limits.h:
/usr/lib/gcc/x86_64-redhat-linux/4.8.5/include/syslimits.h:
/usr/include/limits.h:
/usr/include/bits/posix1_lim.h:
/usr/include/bits/local_lim.h:
/usr/include/linux/limits.h:
/usr/include/bits/posix2_lim.h:
/usr/lib/gcc/x86_64-redhat-linux/4.8.5/include/stddef.h:
/usr/include/stdio.h:
/usr/include/libio.h:
/usr/include/_G_config.h:
/usr/include/wchar.h:
/usr/lib/gcc/x86_64-redhat-linux/4.8.5/include/stdarg.h:
/usr/include/bits/stdio_lim.h:
/usr/include/bits/sys_errlist.h:
/usr/include/bits/stdio.h:
/usr/include/stdlib.h:
/usr/include/bits/waitflags.h:
/usr/include/bits/waitstatus.h:
/usr/include/sys/types.h:
/usr/include/time.h:
/usr/include/sys/select.h:
/usr/include/bits/select.h:
/usr/include/bits/sigset.h:
/usr/include/bits/time.h:
/usr/include/sys/sysmacros.h:
/usr/include/bits/pthreadtypes.h:
/usr/include/alloca.h:
/usr/include/bits/stdlib-float.h:
/usr/include/string.h:
/usr/include/bits/string.h:
/usr/include/bits/string2.h:
/usr/lib/gcc/x86_64-redhat-linux/4.8.5/include/stdint.h:
/usr/include/stdint.h:
/usr/include/bits/wchar.h:
pcre.h:
ucp.h:
@@ -0,0 +1,134 @@
libpcre_la-pcre_refcount.lo: pcre_refcount.c /usr/include/stdc-predef.h \
config.h pcre_internal.h /usr/include/ctype.h /usr/include/features.h \
/usr/include/sys/cdefs.h /usr/include/bits/wordsize.h \
/usr/include/gnu/stubs.h /usr/include/gnu/stubs-64.h \
/usr/include/bits/types.h /usr/include/bits/typesizes.h \
/usr/include/endian.h /usr/include/bits/endian.h \
/usr/include/bits/byteswap.h /usr/include/bits/byteswap-16.h \
/usr/include/xlocale.h \
/usr/lib/gcc/x86_64-redhat-linux/4.8.5/include/limits.h \
/usr/lib/gcc/x86_64-redhat-linux/4.8.5/include/syslimits.h \
/usr/include/limits.h /usr/include/bits/posix1_lim.h \
/usr/include/bits/local_lim.h /usr/include/linux/limits.h \
/usr/include/bits/posix2_lim.h \
/usr/lib/gcc/x86_64-redhat-linux/4.8.5/include/stddef.h \
/usr/include/stdio.h /usr/include/libio.h /usr/include/_G_config.h \
/usr/include/wchar.h \
/usr/lib/gcc/x86_64-redhat-linux/4.8.5/include/stdarg.h \
/usr/include/bits/stdio_lim.h /usr/include/bits/sys_errlist.h \
/usr/include/bits/stdio.h /usr/include/stdlib.h \
/usr/include/bits/waitflags.h /usr/include/bits/waitstatus.h \
/usr/include/sys/types.h /usr/include/time.h /usr/include/sys/select.h \
/usr/include/bits/select.h /usr/include/bits/sigset.h \
/usr/include/bits/time.h /usr/include/sys/sysmacros.h \
/usr/include/bits/pthreadtypes.h /usr/include/alloca.h \
/usr/include/bits/stdlib-float.h /usr/include/string.h \
/usr/include/bits/string.h /usr/include/bits/string2.h \
/usr/lib/gcc/x86_64-redhat-linux/4.8.5/include/stdint.h \
/usr/include/stdint.h /usr/include/bits/wchar.h pcre.h ucp.h
/usr/include/stdc-predef.h:
config.h:
pcre_internal.h:
/usr/include/ctype.h:
/usr/include/features.h:
/usr/include/sys/cdefs.h:
/usr/include/bits/wordsize.h:
/usr/include/gnu/stubs.h:
/usr/include/gnu/stubs-64.h:
/usr/include/bits/types.h:
/usr/include/bits/typesizes.h:
/usr/include/endian.h:
/usr/include/bits/endian.h:
/usr/include/bits/byteswap.h:
/usr/include/bits/byteswap-16.h:
/usr/include/xlocale.h:
/usr/lib/gcc/x86_64-redhat-linux/4.8.5/include/limits.h:
/usr/lib/gcc/x86_64-redhat-linux/4.8.5/include/syslimits.h:
/usr/include/limits.h:
/usr/include/bits/posix1_lim.h:
/usr/include/bits/local_lim.h:
/usr/include/linux/limits.h:
/usr/include/bits/posix2_lim.h:
/usr/lib/gcc/x86_64-redhat-linux/4.8.5/include/stddef.h:
/usr/include/stdio.h:
/usr/include/libio.h:
/usr/include/_G_config.h:
/usr/include/wchar.h:
/usr/lib/gcc/x86_64-redhat-linux/4.8.5/include/stdarg.h:
/usr/include/bits/stdio_lim.h:
/usr/include/bits/sys_errlist.h:
/usr/include/bits/stdio.h:
/usr/include/stdlib.h:
/usr/include/bits/waitflags.h:
/usr/include/bits/waitstatus.h:
/usr/include/sys/types.h:
/usr/include/time.h:
/usr/include/sys/select.h:
/usr/include/bits/select.h:
/usr/include/bits/sigset.h:
/usr/include/bits/time.h:
/usr/include/sys/sysmacros.h:
/usr/include/bits/pthreadtypes.h:
/usr/include/alloca.h:
/usr/include/bits/stdlib-float.h:
/usr/include/string.h:
/usr/include/bits/string.h:
/usr/include/bits/string2.h:
/usr/lib/gcc/x86_64-redhat-linux/4.8.5/include/stdint.h:
/usr/include/stdint.h:
/usr/include/bits/wchar.h:
pcre.h:
ucp.h:
@@ -0,0 +1,134 @@
libpcre_la-pcre_string_utils.lo: pcre_string_utils.c \
/usr/include/stdc-predef.h config.h pcre_internal.h /usr/include/ctype.h \
/usr/include/features.h /usr/include/sys/cdefs.h \
/usr/include/bits/wordsize.h /usr/include/gnu/stubs.h \
/usr/include/gnu/stubs-64.h /usr/include/bits/types.h \
/usr/include/bits/typesizes.h /usr/include/endian.h \
/usr/include/bits/endian.h /usr/include/bits/byteswap.h \
/usr/include/bits/byteswap-16.h /usr/include/xlocale.h \
/usr/lib/gcc/x86_64-redhat-linux/4.8.5/include/limits.h \
/usr/lib/gcc/x86_64-redhat-linux/4.8.5/include/syslimits.h \
/usr/include/limits.h /usr/include/bits/posix1_lim.h \
/usr/include/bits/local_lim.h /usr/include/linux/limits.h \
/usr/include/bits/posix2_lim.h \
/usr/lib/gcc/x86_64-redhat-linux/4.8.5/include/stddef.h \
/usr/include/stdio.h /usr/include/libio.h /usr/include/_G_config.h \
/usr/include/wchar.h \
/usr/lib/gcc/x86_64-redhat-linux/4.8.5/include/stdarg.h \
/usr/include/bits/stdio_lim.h /usr/include/bits/sys_errlist.h \
/usr/include/bits/stdio.h /usr/include/stdlib.h \
/usr/include/bits/waitflags.h /usr/include/bits/waitstatus.h \
/usr/include/sys/types.h /usr/include/time.h /usr/include/sys/select.h \
/usr/include/bits/select.h /usr/include/bits/sigset.h \
/usr/include/bits/time.h /usr/include/sys/sysmacros.h \
/usr/include/bits/pthreadtypes.h /usr/include/alloca.h \
/usr/include/bits/stdlib-float.h /usr/include/string.h \
/usr/include/bits/string.h /usr/include/bits/string2.h \
/usr/lib/gcc/x86_64-redhat-linux/4.8.5/include/stdint.h \
/usr/include/stdint.h /usr/include/bits/wchar.h pcre.h ucp.h
/usr/include/stdc-predef.h:
config.h:
pcre_internal.h:
/usr/include/ctype.h:
/usr/include/features.h:
/usr/include/sys/cdefs.h:
/usr/include/bits/wordsize.h:
/usr/include/gnu/stubs.h:
/usr/include/gnu/stubs-64.h:
/usr/include/bits/types.h:
/usr/include/bits/typesizes.h:
/usr/include/endian.h:
/usr/include/bits/endian.h:
/usr/include/bits/byteswap.h:
/usr/include/bits/byteswap-16.h:
/usr/include/xlocale.h:
/usr/lib/gcc/x86_64-redhat-linux/4.8.5/include/limits.h:
/usr/lib/gcc/x86_64-redhat-linux/4.8.5/include/syslimits.h:
/usr/include/limits.h:
/usr/include/bits/posix1_lim.h:
/usr/include/bits/local_lim.h:
/usr/include/linux/limits.h:
/usr/include/bits/posix2_lim.h:
/usr/lib/gcc/x86_64-redhat-linux/4.8.5/include/stddef.h:
/usr/include/stdio.h:
/usr/include/libio.h:
/usr/include/_G_config.h:
/usr/include/wchar.h:
/usr/lib/gcc/x86_64-redhat-linux/4.8.5/include/stdarg.h:
/usr/include/bits/stdio_lim.h:
/usr/include/bits/sys_errlist.h:
/usr/include/bits/stdio.h:
/usr/include/stdlib.h:
/usr/include/bits/waitflags.h:
/usr/include/bits/waitstatus.h:
/usr/include/sys/types.h:
/usr/include/time.h:
/usr/include/sys/select.h:
/usr/include/bits/select.h:
/usr/include/bits/sigset.h:
/usr/include/bits/time.h:
/usr/include/sys/sysmacros.h:
/usr/include/bits/pthreadtypes.h:
/usr/include/alloca.h:
/usr/include/bits/stdlib-float.h:
/usr/include/string.h:
/usr/include/bits/string.h:
/usr/include/bits/string2.h:
/usr/lib/gcc/x86_64-redhat-linux/4.8.5/include/stdint.h:
/usr/include/stdint.h:
/usr/include/bits/wchar.h:
pcre.h:
ucp.h:
@@ -0,0 +1,134 @@
libpcre_la-pcre_study.lo: pcre_study.c /usr/include/stdc-predef.h \
config.h pcre_internal.h /usr/include/ctype.h /usr/include/features.h \
/usr/include/sys/cdefs.h /usr/include/bits/wordsize.h \
/usr/include/gnu/stubs.h /usr/include/gnu/stubs-64.h \
/usr/include/bits/types.h /usr/include/bits/typesizes.h \
/usr/include/endian.h /usr/include/bits/endian.h \
/usr/include/bits/byteswap.h /usr/include/bits/byteswap-16.h \
/usr/include/xlocale.h \
/usr/lib/gcc/x86_64-redhat-linux/4.8.5/include/limits.h \
/usr/lib/gcc/x86_64-redhat-linux/4.8.5/include/syslimits.h \
/usr/include/limits.h /usr/include/bits/posix1_lim.h \
/usr/include/bits/local_lim.h /usr/include/linux/limits.h \
/usr/include/bits/posix2_lim.h \
/usr/lib/gcc/x86_64-redhat-linux/4.8.5/include/stddef.h \
/usr/include/stdio.h /usr/include/libio.h /usr/include/_G_config.h \
/usr/include/wchar.h \
/usr/lib/gcc/x86_64-redhat-linux/4.8.5/include/stdarg.h \
/usr/include/bits/stdio_lim.h /usr/include/bits/sys_errlist.h \
/usr/include/bits/stdio.h /usr/include/stdlib.h \
/usr/include/bits/waitflags.h /usr/include/bits/waitstatus.h \
/usr/include/sys/types.h /usr/include/time.h /usr/include/sys/select.h \
/usr/include/bits/select.h /usr/include/bits/sigset.h \
/usr/include/bits/time.h /usr/include/sys/sysmacros.h \
/usr/include/bits/pthreadtypes.h /usr/include/alloca.h \
/usr/include/bits/stdlib-float.h /usr/include/string.h \
/usr/include/bits/string.h /usr/include/bits/string2.h \
/usr/lib/gcc/x86_64-redhat-linux/4.8.5/include/stdint.h \
/usr/include/stdint.h /usr/include/bits/wchar.h pcre.h ucp.h
/usr/include/stdc-predef.h:
config.h:
pcre_internal.h:
/usr/include/ctype.h:
/usr/include/features.h:
/usr/include/sys/cdefs.h:
/usr/include/bits/wordsize.h:
/usr/include/gnu/stubs.h:
/usr/include/gnu/stubs-64.h:
/usr/include/bits/types.h:
/usr/include/bits/typesizes.h:
/usr/include/endian.h:
/usr/include/bits/endian.h:
/usr/include/bits/byteswap.h:
/usr/include/bits/byteswap-16.h:
/usr/include/xlocale.h:
/usr/lib/gcc/x86_64-redhat-linux/4.8.5/include/limits.h:
/usr/lib/gcc/x86_64-redhat-linux/4.8.5/include/syslimits.h:
/usr/include/limits.h:
/usr/include/bits/posix1_lim.h:
/usr/include/bits/local_lim.h:
/usr/include/linux/limits.h:
/usr/include/bits/posix2_lim.h:
/usr/lib/gcc/x86_64-redhat-linux/4.8.5/include/stddef.h:
/usr/include/stdio.h:
/usr/include/libio.h:
/usr/include/_G_config.h:
/usr/include/wchar.h:
/usr/lib/gcc/x86_64-redhat-linux/4.8.5/include/stdarg.h:
/usr/include/bits/stdio_lim.h:
/usr/include/bits/sys_errlist.h:
/usr/include/bits/stdio.h:
/usr/include/stdlib.h:
/usr/include/bits/waitflags.h:
/usr/include/bits/waitstatus.h:
/usr/include/sys/types.h:
/usr/include/time.h:
/usr/include/sys/select.h:
/usr/include/bits/select.h:
/usr/include/bits/sigset.h:
/usr/include/bits/time.h:
/usr/include/sys/sysmacros.h:
/usr/include/bits/pthreadtypes.h:
/usr/include/alloca.h:
/usr/include/bits/stdlib-float.h:
/usr/include/string.h:
/usr/include/bits/string.h:
/usr/include/bits/string2.h:
/usr/lib/gcc/x86_64-redhat-linux/4.8.5/include/stdint.h:
/usr/include/stdint.h:
/usr/include/bits/wchar.h:
pcre.h:
ucp.h:
@@ -0,0 +1,134 @@
libpcre_la-pcre_tables.lo: pcre_tables.c /usr/include/stdc-predef.h \
config.h pcre_internal.h /usr/include/ctype.h /usr/include/features.h \
/usr/include/sys/cdefs.h /usr/include/bits/wordsize.h \
/usr/include/gnu/stubs.h /usr/include/gnu/stubs-64.h \
/usr/include/bits/types.h /usr/include/bits/typesizes.h \
/usr/include/endian.h /usr/include/bits/endian.h \
/usr/include/bits/byteswap.h /usr/include/bits/byteswap-16.h \
/usr/include/xlocale.h \
/usr/lib/gcc/x86_64-redhat-linux/4.8.5/include/limits.h \
/usr/lib/gcc/x86_64-redhat-linux/4.8.5/include/syslimits.h \
/usr/include/limits.h /usr/include/bits/posix1_lim.h \
/usr/include/bits/local_lim.h /usr/include/linux/limits.h \
/usr/include/bits/posix2_lim.h \
/usr/lib/gcc/x86_64-redhat-linux/4.8.5/include/stddef.h \
/usr/include/stdio.h /usr/include/libio.h /usr/include/_G_config.h \
/usr/include/wchar.h \
/usr/lib/gcc/x86_64-redhat-linux/4.8.5/include/stdarg.h \
/usr/include/bits/stdio_lim.h /usr/include/bits/sys_errlist.h \
/usr/include/bits/stdio.h /usr/include/stdlib.h \
/usr/include/bits/waitflags.h /usr/include/bits/waitstatus.h \
/usr/include/sys/types.h /usr/include/time.h /usr/include/sys/select.h \
/usr/include/bits/select.h /usr/include/bits/sigset.h \
/usr/include/bits/time.h /usr/include/sys/sysmacros.h \
/usr/include/bits/pthreadtypes.h /usr/include/alloca.h \
/usr/include/bits/stdlib-float.h /usr/include/string.h \
/usr/include/bits/string.h /usr/include/bits/string2.h \
/usr/lib/gcc/x86_64-redhat-linux/4.8.5/include/stdint.h \
/usr/include/stdint.h /usr/include/bits/wchar.h pcre.h ucp.h
/usr/include/stdc-predef.h:
config.h:
pcre_internal.h:
/usr/include/ctype.h:
/usr/include/features.h:
/usr/include/sys/cdefs.h:
/usr/include/bits/wordsize.h:
/usr/include/gnu/stubs.h:
/usr/include/gnu/stubs-64.h:
/usr/include/bits/types.h:
/usr/include/bits/typesizes.h:
/usr/include/endian.h:
/usr/include/bits/endian.h:
/usr/include/bits/byteswap.h:
/usr/include/bits/byteswap-16.h:
/usr/include/xlocale.h:
/usr/lib/gcc/x86_64-redhat-linux/4.8.5/include/limits.h:
/usr/lib/gcc/x86_64-redhat-linux/4.8.5/include/syslimits.h:
/usr/include/limits.h:
/usr/include/bits/posix1_lim.h:
/usr/include/bits/local_lim.h:
/usr/include/linux/limits.h:
/usr/include/bits/posix2_lim.h:
/usr/lib/gcc/x86_64-redhat-linux/4.8.5/include/stddef.h:
/usr/include/stdio.h:
/usr/include/libio.h:
/usr/include/_G_config.h:
/usr/include/wchar.h:
/usr/lib/gcc/x86_64-redhat-linux/4.8.5/include/stdarg.h:
/usr/include/bits/stdio_lim.h:
/usr/include/bits/sys_errlist.h:
/usr/include/bits/stdio.h:
/usr/include/stdlib.h:
/usr/include/bits/waitflags.h:
/usr/include/bits/waitstatus.h:
/usr/include/sys/types.h:
/usr/include/time.h:
/usr/include/sys/select.h:
/usr/include/bits/select.h:
/usr/include/bits/sigset.h:
/usr/include/bits/time.h:
/usr/include/sys/sysmacros.h:
/usr/include/bits/pthreadtypes.h:
/usr/include/alloca.h:
/usr/include/bits/stdlib-float.h:
/usr/include/string.h:
/usr/include/bits/string.h:
/usr/include/bits/string2.h:
/usr/lib/gcc/x86_64-redhat-linux/4.8.5/include/stdint.h:
/usr/include/stdint.h:
/usr/include/bits/wchar.h:
pcre.h:
ucp.h:
+134
View File
@@ -0,0 +1,134 @@
libpcre_la-pcre_ucd.lo: pcre_ucd.c /usr/include/stdc-predef.h config.h \
pcre_internal.h /usr/include/ctype.h /usr/include/features.h \
/usr/include/sys/cdefs.h /usr/include/bits/wordsize.h \
/usr/include/gnu/stubs.h /usr/include/gnu/stubs-64.h \
/usr/include/bits/types.h /usr/include/bits/typesizes.h \
/usr/include/endian.h /usr/include/bits/endian.h \
/usr/include/bits/byteswap.h /usr/include/bits/byteswap-16.h \
/usr/include/xlocale.h \
/usr/lib/gcc/x86_64-redhat-linux/4.8.5/include/limits.h \
/usr/lib/gcc/x86_64-redhat-linux/4.8.5/include/syslimits.h \
/usr/include/limits.h /usr/include/bits/posix1_lim.h \
/usr/include/bits/local_lim.h /usr/include/linux/limits.h \
/usr/include/bits/posix2_lim.h \
/usr/lib/gcc/x86_64-redhat-linux/4.8.5/include/stddef.h \
/usr/include/stdio.h /usr/include/libio.h /usr/include/_G_config.h \
/usr/include/wchar.h \
/usr/lib/gcc/x86_64-redhat-linux/4.8.5/include/stdarg.h \
/usr/include/bits/stdio_lim.h /usr/include/bits/sys_errlist.h \
/usr/include/bits/stdio.h /usr/include/stdlib.h \
/usr/include/bits/waitflags.h /usr/include/bits/waitstatus.h \
/usr/include/sys/types.h /usr/include/time.h /usr/include/sys/select.h \
/usr/include/bits/select.h /usr/include/bits/sigset.h \
/usr/include/bits/time.h /usr/include/sys/sysmacros.h \
/usr/include/bits/pthreadtypes.h /usr/include/alloca.h \
/usr/include/bits/stdlib-float.h /usr/include/string.h \
/usr/include/bits/string.h /usr/include/bits/string2.h \
/usr/lib/gcc/x86_64-redhat-linux/4.8.5/include/stdint.h \
/usr/include/stdint.h /usr/include/bits/wchar.h pcre.h ucp.h
/usr/include/stdc-predef.h:
config.h:
pcre_internal.h:
/usr/include/ctype.h:
/usr/include/features.h:
/usr/include/sys/cdefs.h:
/usr/include/bits/wordsize.h:
/usr/include/gnu/stubs.h:
/usr/include/gnu/stubs-64.h:
/usr/include/bits/types.h:
/usr/include/bits/typesizes.h:
/usr/include/endian.h:
/usr/include/bits/endian.h:
/usr/include/bits/byteswap.h:
/usr/include/bits/byteswap-16.h:
/usr/include/xlocale.h:
/usr/lib/gcc/x86_64-redhat-linux/4.8.5/include/limits.h:
/usr/lib/gcc/x86_64-redhat-linux/4.8.5/include/syslimits.h:
/usr/include/limits.h:
/usr/include/bits/posix1_lim.h:
/usr/include/bits/local_lim.h:
/usr/include/linux/limits.h:
/usr/include/bits/posix2_lim.h:
/usr/lib/gcc/x86_64-redhat-linux/4.8.5/include/stddef.h:
/usr/include/stdio.h:
/usr/include/libio.h:
/usr/include/_G_config.h:
/usr/include/wchar.h:
/usr/lib/gcc/x86_64-redhat-linux/4.8.5/include/stdarg.h:
/usr/include/bits/stdio_lim.h:
/usr/include/bits/sys_errlist.h:
/usr/include/bits/stdio.h:
/usr/include/stdlib.h:
/usr/include/bits/waitflags.h:
/usr/include/bits/waitstatus.h:
/usr/include/sys/types.h:
/usr/include/time.h:
/usr/include/sys/select.h:
/usr/include/bits/select.h:
/usr/include/bits/sigset.h:
/usr/include/bits/time.h:
/usr/include/sys/sysmacros.h:
/usr/include/bits/pthreadtypes.h:
/usr/include/alloca.h:
/usr/include/bits/stdlib-float.h:
/usr/include/string.h:
/usr/include/bits/string.h:
/usr/include/bits/string2.h:
/usr/lib/gcc/x86_64-redhat-linux/4.8.5/include/stdint.h:
/usr/include/stdint.h:
/usr/include/bits/wchar.h:
pcre.h:
ucp.h:
@@ -0,0 +1,134 @@
libpcre_la-pcre_valid_utf8.lo: pcre_valid_utf8.c \
/usr/include/stdc-predef.h config.h pcre_internal.h /usr/include/ctype.h \
/usr/include/features.h /usr/include/sys/cdefs.h \
/usr/include/bits/wordsize.h /usr/include/gnu/stubs.h \
/usr/include/gnu/stubs-64.h /usr/include/bits/types.h \
/usr/include/bits/typesizes.h /usr/include/endian.h \
/usr/include/bits/endian.h /usr/include/bits/byteswap.h \
/usr/include/bits/byteswap-16.h /usr/include/xlocale.h \
/usr/lib/gcc/x86_64-redhat-linux/4.8.5/include/limits.h \
/usr/lib/gcc/x86_64-redhat-linux/4.8.5/include/syslimits.h \
/usr/include/limits.h /usr/include/bits/posix1_lim.h \
/usr/include/bits/local_lim.h /usr/include/linux/limits.h \
/usr/include/bits/posix2_lim.h \
/usr/lib/gcc/x86_64-redhat-linux/4.8.5/include/stddef.h \
/usr/include/stdio.h /usr/include/libio.h /usr/include/_G_config.h \
/usr/include/wchar.h \
/usr/lib/gcc/x86_64-redhat-linux/4.8.5/include/stdarg.h \
/usr/include/bits/stdio_lim.h /usr/include/bits/sys_errlist.h \
/usr/include/bits/stdio.h /usr/include/stdlib.h \
/usr/include/bits/waitflags.h /usr/include/bits/waitstatus.h \
/usr/include/sys/types.h /usr/include/time.h /usr/include/sys/select.h \
/usr/include/bits/select.h /usr/include/bits/sigset.h \
/usr/include/bits/time.h /usr/include/sys/sysmacros.h \
/usr/include/bits/pthreadtypes.h /usr/include/alloca.h \
/usr/include/bits/stdlib-float.h /usr/include/string.h \
/usr/include/bits/string.h /usr/include/bits/string2.h \
/usr/lib/gcc/x86_64-redhat-linux/4.8.5/include/stdint.h \
/usr/include/stdint.h /usr/include/bits/wchar.h pcre.h ucp.h
/usr/include/stdc-predef.h:
config.h:
pcre_internal.h:
/usr/include/ctype.h:
/usr/include/features.h:
/usr/include/sys/cdefs.h:
/usr/include/bits/wordsize.h:
/usr/include/gnu/stubs.h:
/usr/include/gnu/stubs-64.h:
/usr/include/bits/types.h:
/usr/include/bits/typesizes.h:
/usr/include/endian.h:
/usr/include/bits/endian.h:
/usr/include/bits/byteswap.h:
/usr/include/bits/byteswap-16.h:
/usr/include/xlocale.h:
/usr/lib/gcc/x86_64-redhat-linux/4.8.5/include/limits.h:
/usr/lib/gcc/x86_64-redhat-linux/4.8.5/include/syslimits.h:
/usr/include/limits.h:
/usr/include/bits/posix1_lim.h:
/usr/include/bits/local_lim.h:
/usr/include/linux/limits.h:
/usr/include/bits/posix2_lim.h:
/usr/lib/gcc/x86_64-redhat-linux/4.8.5/include/stddef.h:
/usr/include/stdio.h:
/usr/include/libio.h:
/usr/include/_G_config.h:
/usr/include/wchar.h:
/usr/lib/gcc/x86_64-redhat-linux/4.8.5/include/stdarg.h:
/usr/include/bits/stdio_lim.h:
/usr/include/bits/sys_errlist.h:
/usr/include/bits/stdio.h:
/usr/include/stdlib.h:
/usr/include/bits/waitflags.h:
/usr/include/bits/waitstatus.h:
/usr/include/sys/types.h:
/usr/include/time.h:
/usr/include/sys/select.h:
/usr/include/bits/select.h:
/usr/include/bits/sigset.h:
/usr/include/bits/time.h:
/usr/include/sys/sysmacros.h:
/usr/include/bits/pthreadtypes.h:
/usr/include/alloca.h:
/usr/include/bits/stdlib-float.h:
/usr/include/string.h:
/usr/include/bits/string.h:
/usr/include/bits/string2.h:
/usr/lib/gcc/x86_64-redhat-linux/4.8.5/include/stdint.h:
/usr/include/stdint.h:
/usr/include/bits/wchar.h:
pcre.h:
ucp.h:
@@ -0,0 +1,134 @@
libpcre_la-pcre_version.lo: pcre_version.c /usr/include/stdc-predef.h \
config.h pcre_internal.h /usr/include/ctype.h /usr/include/features.h \
/usr/include/sys/cdefs.h /usr/include/bits/wordsize.h \
/usr/include/gnu/stubs.h /usr/include/gnu/stubs-64.h \
/usr/include/bits/types.h /usr/include/bits/typesizes.h \
/usr/include/endian.h /usr/include/bits/endian.h \
/usr/include/bits/byteswap.h /usr/include/bits/byteswap-16.h \
/usr/include/xlocale.h \
/usr/lib/gcc/x86_64-redhat-linux/4.8.5/include/limits.h \
/usr/lib/gcc/x86_64-redhat-linux/4.8.5/include/syslimits.h \
/usr/include/limits.h /usr/include/bits/posix1_lim.h \
/usr/include/bits/local_lim.h /usr/include/linux/limits.h \
/usr/include/bits/posix2_lim.h \
/usr/lib/gcc/x86_64-redhat-linux/4.8.5/include/stddef.h \
/usr/include/stdio.h /usr/include/libio.h /usr/include/_G_config.h \
/usr/include/wchar.h \
/usr/lib/gcc/x86_64-redhat-linux/4.8.5/include/stdarg.h \
/usr/include/bits/stdio_lim.h /usr/include/bits/sys_errlist.h \
/usr/include/bits/stdio.h /usr/include/stdlib.h \
/usr/include/bits/waitflags.h /usr/include/bits/waitstatus.h \
/usr/include/sys/types.h /usr/include/time.h /usr/include/sys/select.h \
/usr/include/bits/select.h /usr/include/bits/sigset.h \
/usr/include/bits/time.h /usr/include/sys/sysmacros.h \
/usr/include/bits/pthreadtypes.h /usr/include/alloca.h \
/usr/include/bits/stdlib-float.h /usr/include/string.h \
/usr/include/bits/string.h /usr/include/bits/string2.h \
/usr/lib/gcc/x86_64-redhat-linux/4.8.5/include/stdint.h \
/usr/include/stdint.h /usr/include/bits/wchar.h pcre.h ucp.h
/usr/include/stdc-predef.h:
config.h:
pcre_internal.h:
/usr/include/ctype.h:
/usr/include/features.h:
/usr/include/sys/cdefs.h:
/usr/include/bits/wordsize.h:
/usr/include/gnu/stubs.h:
/usr/include/gnu/stubs-64.h:
/usr/include/bits/types.h:
/usr/include/bits/typesizes.h:
/usr/include/endian.h:
/usr/include/bits/endian.h:
/usr/include/bits/byteswap.h:
/usr/include/bits/byteswap-16.h:
/usr/include/xlocale.h:
/usr/lib/gcc/x86_64-redhat-linux/4.8.5/include/limits.h:
/usr/lib/gcc/x86_64-redhat-linux/4.8.5/include/syslimits.h:
/usr/include/limits.h:
/usr/include/bits/posix1_lim.h:
/usr/include/bits/local_lim.h:
/usr/include/linux/limits.h:
/usr/include/bits/posix2_lim.h:
/usr/lib/gcc/x86_64-redhat-linux/4.8.5/include/stddef.h:
/usr/include/stdio.h:
/usr/include/libio.h:
/usr/include/_G_config.h:
/usr/include/wchar.h:
/usr/lib/gcc/x86_64-redhat-linux/4.8.5/include/stdarg.h:
/usr/include/bits/stdio_lim.h:
/usr/include/bits/sys_errlist.h:
/usr/include/bits/stdio.h:
/usr/include/stdlib.h:
/usr/include/bits/waitflags.h:
/usr/include/bits/waitstatus.h:
/usr/include/sys/types.h:
/usr/include/time.h:
/usr/include/sys/select.h:
/usr/include/bits/select.h:
/usr/include/bits/sigset.h:
/usr/include/bits/time.h:
/usr/include/sys/sysmacros.h:
/usr/include/bits/pthreadtypes.h:
/usr/include/alloca.h:
/usr/include/bits/stdlib-float.h:
/usr/include/string.h:
/usr/include/bits/string.h:
/usr/include/bits/string2.h:
/usr/lib/gcc/x86_64-redhat-linux/4.8.5/include/stdint.h:
/usr/include/stdint.h:
/usr/include/bits/wchar.h:
pcre.h:
ucp.h:
@@ -0,0 +1,134 @@
libpcre_la-pcre_xclass.lo: pcre_xclass.c /usr/include/stdc-predef.h \
config.h pcre_internal.h /usr/include/ctype.h /usr/include/features.h \
/usr/include/sys/cdefs.h /usr/include/bits/wordsize.h \
/usr/include/gnu/stubs.h /usr/include/gnu/stubs-64.h \
/usr/include/bits/types.h /usr/include/bits/typesizes.h \
/usr/include/endian.h /usr/include/bits/endian.h \
/usr/include/bits/byteswap.h /usr/include/bits/byteswap-16.h \
/usr/include/xlocale.h \
/usr/lib/gcc/x86_64-redhat-linux/4.8.5/include/limits.h \
/usr/lib/gcc/x86_64-redhat-linux/4.8.5/include/syslimits.h \
/usr/include/limits.h /usr/include/bits/posix1_lim.h \
/usr/include/bits/local_lim.h /usr/include/linux/limits.h \
/usr/include/bits/posix2_lim.h \
/usr/lib/gcc/x86_64-redhat-linux/4.8.5/include/stddef.h \
/usr/include/stdio.h /usr/include/libio.h /usr/include/_G_config.h \
/usr/include/wchar.h \
/usr/lib/gcc/x86_64-redhat-linux/4.8.5/include/stdarg.h \
/usr/include/bits/stdio_lim.h /usr/include/bits/sys_errlist.h \
/usr/include/bits/stdio.h /usr/include/stdlib.h \
/usr/include/bits/waitflags.h /usr/include/bits/waitstatus.h \
/usr/include/sys/types.h /usr/include/time.h /usr/include/sys/select.h \
/usr/include/bits/select.h /usr/include/bits/sigset.h \
/usr/include/bits/time.h /usr/include/sys/sysmacros.h \
/usr/include/bits/pthreadtypes.h /usr/include/alloca.h \
/usr/include/bits/stdlib-float.h /usr/include/string.h \
/usr/include/bits/string.h /usr/include/bits/string2.h \
/usr/lib/gcc/x86_64-redhat-linux/4.8.5/include/stdint.h \
/usr/include/stdint.h /usr/include/bits/wchar.h pcre.h ucp.h
/usr/include/stdc-predef.h:
config.h:
pcre_internal.h:
/usr/include/ctype.h:
/usr/include/features.h:
/usr/include/sys/cdefs.h:
/usr/include/bits/wordsize.h:
/usr/include/gnu/stubs.h:
/usr/include/gnu/stubs-64.h:
/usr/include/bits/types.h:
/usr/include/bits/typesizes.h:
/usr/include/endian.h:
/usr/include/bits/endian.h:
/usr/include/bits/byteswap.h:
/usr/include/bits/byteswap-16.h:
/usr/include/xlocale.h:
/usr/lib/gcc/x86_64-redhat-linux/4.8.5/include/limits.h:
/usr/lib/gcc/x86_64-redhat-linux/4.8.5/include/syslimits.h:
/usr/include/limits.h:
/usr/include/bits/posix1_lim.h:
/usr/include/bits/local_lim.h:
/usr/include/linux/limits.h:
/usr/include/bits/posix2_lim.h:
/usr/lib/gcc/x86_64-redhat-linux/4.8.5/include/stddef.h:
/usr/include/stdio.h:
/usr/include/libio.h:
/usr/include/_G_config.h:
/usr/include/wchar.h:
/usr/lib/gcc/x86_64-redhat-linux/4.8.5/include/stdarg.h:
/usr/include/bits/stdio_lim.h:
/usr/include/bits/sys_errlist.h:
/usr/include/bits/stdio.h:
/usr/include/stdlib.h:
/usr/include/bits/waitflags.h:
/usr/include/bits/waitstatus.h:
/usr/include/sys/types.h:
/usr/include/time.h:
/usr/include/sys/select.h:
/usr/include/bits/select.h:
/usr/include/bits/sigset.h:
/usr/include/bits/time.h:
/usr/include/sys/sysmacros.h:
/usr/include/bits/pthreadtypes.h:
/usr/include/alloca.h:
/usr/include/bits/stdlib-float.h:
/usr/include/string.h:
/usr/include/bits/string.h:
/usr/include/bits/string2.h:
/usr/lib/gcc/x86_64-redhat-linux/4.8.5/include/stdint.h:
/usr/include/stdint.h:
/usr/include/bits/wchar.h:
pcre.h:
ucp.h:
@@ -0,0 +1 @@
# dummy
@@ -0,0 +1 @@
# dummy
@@ -0,0 +1 @@
# dummy
@@ -0,0 +1 @@
# dummy
@@ -0,0 +1 @@
# dummy
@@ -0,0 +1 @@
# dummy
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# dummy
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# dummy
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# dummy
Binary file not shown.
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@@ -0,0 +1 @@
../libpcre.la
+41
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@@ -0,0 +1,41 @@
# libpcre.la - a libtool library file
# Generated by libtool (GNU libtool) 2.4.6
#
# Please DO NOT delete this file!
# It is necessary for linking the library.
# The name that we can dlopen(3).
dlname=''
# Names of this library.
library_names=''
# The name of the static archive.
old_library='libpcre.a'
# Linker flags that cannot go in dependency_libs.
inherited_linker_flags=' -pthread'
# Libraries that this one depends upon.
dependency_libs=''
# Names of additional weak libraries provided by this library
weak_library_names=''
# Version information for libpcre.
current=3
age=2
revision=9
# Is this an already installed library?
installed=yes
# Should we warn about portability when linking against -modules?
shouldnotlink=no
# Files to dlopen/dlpreopen
dlopen=''
dlpreopen=''
# Directory that this library needs to be installed in:
libdir='/usr/local/lib'
+313
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@@ -0,0 +1,313 @@
#! /usr/bin/perl -w
# Script to turn PCRE man pages into HTML
# Subroutine to handle font changes and other escapes
sub do_line {
my($s) = $_[0];
$s =~ s/</&#60;/g; # Deal with < and >
$s =~ s/>/&#62;/g;
$s =~ s"\\fI(.*?)\\f[RP]"<i>$1</i>"g;
$s =~ s"\\fB(.*?)\\f[RP]"<b>$1</b>"g;
$s =~ s"\\e"\\"g;
$s =~ s/(?<=Copyright )\(c\)/&copy;/g;
$s;
}
# Subroutine to ensure not in a paragraph
sub end_para {
if ($inpara)
{
print TEMP "</PRE>\n" if ($inpre);
print TEMP "</P>\n";
}
$inpara = $inpre = 0;
$wrotetext = 0;
}
# Subroutine to start a new paragraph
sub new_para {
&end_para();
print TEMP "<P>\n";
$inpara = 1;
}
# Main program
$innf = 0;
$inpara = 0;
$inpre = 0;
$wrotetext = 0;
$toc = 0;
$ref = 1;
while ($#ARGV >= 0 && $ARGV[0] =~ /^-/)
{
$toc = 1 if $ARGV[0] eq "-toc";
shift;
}
# Initial output to STDOUT
print <<End ;
<html>
<head>
<title>$ARGV[0] specification</title>
</head>
<body bgcolor="#FFFFFF" text="#00005A" link="#0066FF" alink="#3399FF" vlink="#2222BB">
<h1>$ARGV[0] man page</h1>
<p>
Return to the <a href="index.html">PCRE index page</a>.
</p>
<p>
This page is part of the PCRE HTML documentation. It was generated automatically
from the original man page. If there is any nonsense in it, please consult the
man page, in case the conversion went wrong.
<br>
End
print "<ul>\n" if ($toc);
open(TEMP, ">/tmp/$$") || die "Can't open /tmp/$$ for output\n";
while (<STDIN>)
{
# Handle lines beginning with a dot
if (/^\./)
{
# Some of the PCRE man pages used to contain instances of .br. However,
# they should have all been removed because they cause trouble in some
# (other) automated systems that translate man pages to HTML. Complain if
# we find .br or .in (another macro that is deprecated).
if (/^\.br/ || /^\.in/)
{
print STDERR "\n*** Deprecated macro encountered - rewrite needed\n";
print STDERR "*** $_\n";
die "*** Processing abandoned\n";
}
# Instead of .br, relevent "literal" sections are enclosed in .nf/.fi.
elsif (/^\.nf/)
{
$innf = 1;
}
elsif (/^\.fi/)
{
$innf = 0;
}
# Handling .sp is subtle. If it is inside a literal section, do nothing if
# the next line is a non literal text line; similarly, if not inside a
# literal section, do nothing if a literal follows, unless we are inside
# a .nf/.ne section. The point being that the <pre> and </pre> that delimit
# literal sections will do the spacing. Always skip if no previous output.
elsif (/^\.sp/)
{
if ($wrotetext)
{
$_ = <STDIN>;
if ($inpre)
{
print TEMP "\n" if (/^[\s.]/);
}
else
{
print TEMP "<br>\n<br>\n" if ($innf || !/^[\s.]/);
}
redo; # Now process the lookahead line we just read
}
}
elsif (/^\.TP/ || /^\.PP/ || /^\.P/)
{
&new_para();
}
elsif (/^\.SH\s*("?)(.*)\1/)
{
# Ignore the NAME section
if ($2 =~ /^NAME\b/)
{
<STDIN>;
next;
}
&end_para();
my($title) = &do_line($2);
if ($toc)
{
printf("<li><a name=\"TOC%d\" href=\"#SEC%d\">$title</a>\n",
$ref, $ref);
printf TEMP ("<br><a name=\"SEC%d\" href=\"#TOC1\">$title</a><br>\n",
$ref);
$ref++;
}
else
{
print TEMP "<br><b>\n$title\n</b><br>\n";
}
}
elsif (/^\.SS\s*("?)(.*)\1/)
{
&end_para();
my($title) = &do_line($2);
print TEMP "<br><b>\n$title\n</b><br>\n";
}
elsif (/^\.B\s*(.*)/)
{
&new_para() if (!$inpara);
$_ = &do_line($1);
s/"(.*?)"/$1/g;
print TEMP "<b>$_</b>\n";
$wrotetext = 1;
}
elsif (/^\.I\s*(.*)/)
{
&new_para() if (!$inpara);
$_ = &do_line($1);
s/"(.*?)"/$1/g;
print TEMP "<i>$_</i>\n";
$wrotetext = 1;
}
# A comment that starts "HREF" takes the next line as a name that
# is turned into a hyperlink, using the text given, which might be
# in a special font. If it ends in () or (digits) or punctuation, they
# aren't part of the link.
elsif (/^\.\\"\s*HREF/)
{
$_=<STDIN>;
chomp;
$_ = &do_line($_);
$_ =~ s/\s+$//;
$_ =~ /^(?:<.>)?([^<(]+)(?:\(\))?(?:<\/.>)?(?:\(\d+\))?[.,;:]?$/;
print TEMP "<a href=\"$1.html\">$_</a>\n";
}
# A comment that starts "HTML" inserts literal HTML
elsif (/^\.\\"\s*HTML\s*(.*)/)
{
print TEMP $1;
}
# A comment that starts < inserts that HTML at the end of the
# *next* input line - so as not to get a newline between them.
elsif (/^\.\\"\s*(<.*>)/)
{
my($markup) = $1;
$_=<STDIN>;
chomp;
$_ = &do_line($_);
$_ =~ s/\s+$//;
print TEMP "$_$markup\n";
}
# A comment that starts JOIN joins the next two lines together, with one
# space between them. Then that line is processed. This is used in some
# displays where two lines are needed for the "man" version. JOINSH works
# the same, except that it assumes this is a shell command, so removes
# continuation backslashes.
elsif (/^\.\\"\s*JOIN(SH)?/)
{
my($one,$two);
$one = <STDIN>;
$two = <STDIN>;
$one =~ s/\s*\\e\s*$// if (defined($1));
chomp($one);
$two =~ s/^\s+//;
$_ = "$one $two";
redo; # Process the joined lines
}
# .EX/.EE are used in the pcredemo page to bracket the entire program,
# which is unmodified except for turning backslash into "\e".
elsif (/^\.EX\s*$/)
{
print TEMP "<PRE>\n";
while (<STDIN>)
{
last if /^\.EE\s*$/;
s/\\e/\\/g;
s/&/&amp;/g;
s/</&lt;/g;
s/>/&gt;/g;
print TEMP;
}
}
# Ignore anything not recognized
next;
}
# Line does not begin with a dot. Replace blank lines with new paragraphs
if (/^\s*$/)
{
&end_para() if ($wrotetext);
next;
}
# Convert fonts changes and output an ordinary line. Ensure that indented
# lines are marked as literal.
$_ = &do_line($_);
&new_para() if (!$inpara);
if (/^\s/)
{
if (!$inpre)
{
print TEMP "<pre>\n";
$inpre = 1;
}
}
elsif ($inpre)
{
print TEMP "</pre>\n";
$inpre = 0;
}
# Add <br> to the end of a non-literal line if we are within .nf/.fi
$_ .= "<br>\n" if (!$inpre && $innf);
print TEMP;
$wrotetext = 1;
}
# The TOC, if present, will have been written - terminate it
print "</ul>\n" if ($toc);
# Copy the remainder to the standard output
close(TEMP);
open(TEMP, "/tmp/$$") || die "Can't open /tmp/$$ for input\n";
print while (<TEMP>);
print <<End ;
<p>
Return to the <a href="index.html">PCRE index page</a>.
</p>
End
close(TEMP);
unlink("/tmp/$$");
# End
+45
View File
@@ -0,0 +1,45 @@
THE MAIN PCRE LIBRARY
---------------------
Written by: Philip Hazel
Email local part: ph10
Email domain: cam.ac.uk
University of Cambridge Computing Service,
Cambridge, England.
Copyright (c) 1997-2017 University of Cambridge
All rights reserved
PCRE JUST-IN-TIME COMPILATION SUPPORT
-------------------------------------
Written by: Zoltan Herczeg
Email local part: hzmester
Emain domain: freemail.hu
Copyright(c) 2010-2017 Zoltan Herczeg
All rights reserved.
STACK-LESS JUST-IN-TIME COMPILER
--------------------------------
Written by: Zoltan Herczeg
Email local part: hzmester
Emain domain: freemail.hu
Copyright(c) 2009-2017 Zoltan Herczeg
All rights reserved.
THE C++ WRAPPER LIBRARY
-----------------------
Written by: Google Inc.
Copyright (c) 2007-2012 Google Inc
All rights reserved
####
+1012
View File
@@ -0,0 +1,1012 @@
# CMakeLists.txt
#
#
# This file allows building PCRE with the CMake configuration and build
# tool. Download CMake in source or binary form from http://www.cmake.org/
#
# Original listfile by Christian Ehrlicher <Ch.Ehrlicher@gmx.de>
# Refined and expanded by Daniel Richard G. <skunk@iSKUNK.ORG>
# 2007-09-14 mod by Sheri so 7.4 supported configuration options can be entered
# 2007-09-19 Adjusted by PH to retain previous default settings
# 2007-12-26 (a) On UNIX, use names libpcre instead of just pcre
# (b) Ensure pcretest and pcregrep link with the local library,
# not a previously-installed one.
# (c) Add PCRE_SUPPORT_LIBREADLINE, PCRE_SUPPORT_LIBZ, and
# PCRE_SUPPORT_LIBBZ2.
# 2008-01-20 Brought up to date to include several new features by Christian
# Ehrlicher.
# 2008-01-22 Sheri added options for backward compatibility of library names
# when building with minGW:
# if "ON", NON_STANDARD_LIB_PREFIX causes shared libraries to
# be built without "lib" as prefix. (The libraries will be named
# pcre.dll, pcreposix.dll and pcrecpp.dll).
# if "ON", NON_STANDARD_LIB_SUFFIX causes shared libraries to
# be built with suffix of "-0.dll". (The libraries will be named
# libpcre-0.dll, libpcreposix-0.dll and libpcrecpp-0.dll - same names
# built by default with Configure and Make.
# 2008-01-23 PH removed the automatic build of pcredemo.
# 2008-04-22 PH modified READLINE support so it finds NCURSES when needed.
# 2008-07-03 PH updated for revised UCP property support (change of files)
# 2009-03-23 PH applied Steven Van Ingelgem's patch to change the name
# CMAKE_BINARY_DIR to PROJECT_BINARY_DIR so that it works when PCRE
# is included within another project.
# 2009-03-23 PH applied a modified version of Steven Van Ingelgem's patches to
# add options to stop the building of pcregrep and the tests, and
# to disable the final configuration report.
# 2009-04-11 PH applied Christian Ehrlicher's patch to show compiler flags that
# are set by specifying a release type.
# 2010-01-02 PH added test for stdint.h
# 2010-03-02 PH added test for inttypes.h
# 2011-08-01 PH added PCREGREP_BUFSIZE
# 2011-08-22 PH added PCRE_SUPPORT_JIT
# 2011-09-06 PH modified WIN32 ADD_TEST line as suggested by Sergey Cherepanov
# 2011-09-06 PH added PCRE_SUPPORT_PCREGREP_JIT
# 2011-10-04 Sheri added support for including coff data in windows shared libraries
# compiled with MINGW if pcre.rc and/or pcreposix.rc are placed in
# the source dir by the user prior to building
# 2011-10-04 Sheri changed various add_test's to use exes' location built instead
# of DEBUG location only (likely only matters in MSVC)
# 2011-10-04 Sheri added scripts to provide needed variables to RunTest and
# RunGrepTest (used for UNIX and Msys)
# 2011-10-04 Sheri added scripts to provide needed variables and to execute
# RunTest.bat in Win32 (for effortless testing with "make test")
# 2011-10-04 Sheri Increased minimum required cmake version
# 2012-01-06 PH removed pcre_info.c and added pcre_string_utils.c
# 2012-01-10 Zoltan Herczeg added libpcre16 support
# 2012-01-13 Stephen Kelly added out of source build support
# 2012-01-17 PH applied Stephen Kelly's patch to parse the version data out
# of the configure.ac file
# 2012-02-26 PH added support for libedit
# 2012-09-06 PH added support for PCRE_EBCDIC_NL25
# 2012-09-08 ChPe added PCRE32 support
# 2012-10-23 PH added support for VALGRIND and GCOV
# 2012-12-08 PH added patch from Daniel Richard G to quash some MSVC warnings
# 2013-07-01 PH realized that the "support" for GCOV was a total nonsense and
# so it has been removed.
# 2013-10-08 PH got rid of the "source" command, which is a bash-ism (use ".")
# 2013-11-05 PH added support for PARENS_NEST_LIMIT
# 2016-03-01 PH applied Chris Wilson's patch for MSVC static build
# 2016-06-24 PH applied Chris Wilson's revised patch (adds a separate option)
PROJECT(PCRE C CXX)
# Increased minimum to 2.8.0 to support newer add_test features. Set policy
# CMP0026 to avoid warnings for the use of LOCATION in GET_TARGET_PROPERTY.
CMAKE_MINIMUM_REQUIRED(VERSION 2.8.0)
CMAKE_POLICY(SET CMP0026 OLD)
SET(CMAKE_MODULE_PATH ${PROJECT_SOURCE_DIR}/cmake) # for FindReadline.cmake
# external packages
FIND_PACKAGE( BZip2 )
FIND_PACKAGE( ZLIB )
FIND_PACKAGE( Readline )
FIND_PACKAGE( Editline )
# Configuration checks
INCLUDE(CheckIncludeFile)
INCLUDE(CheckIncludeFileCXX)
INCLUDE(CheckFunctionExists)
INCLUDE(CheckTypeSize)
CHECK_INCLUDE_FILE(dirent.h HAVE_DIRENT_H)
CHECK_INCLUDE_FILE(stdint.h HAVE_STDINT_H)
CHECK_INCLUDE_FILE(inttypes.h HAVE_INTTYPES_H)
CHECK_INCLUDE_FILE(sys/stat.h HAVE_SYS_STAT_H)
CHECK_INCLUDE_FILE(sys/types.h HAVE_SYS_TYPES_H)
CHECK_INCLUDE_FILE(unistd.h HAVE_UNISTD_H)
CHECK_INCLUDE_FILE(windows.h HAVE_WINDOWS_H)
CHECK_INCLUDE_FILE_CXX(type_traits.h HAVE_TYPE_TRAITS_H)
CHECK_INCLUDE_FILE_CXX(bits/type_traits.h HAVE_BITS_TYPE_TRAITS_H)
CHECK_FUNCTION_EXISTS(bcopy HAVE_BCOPY)
CHECK_FUNCTION_EXISTS(memmove HAVE_MEMMOVE)
CHECK_FUNCTION_EXISTS(strerror HAVE_STRERROR)
CHECK_FUNCTION_EXISTS(strtoll HAVE_STRTOLL)
CHECK_FUNCTION_EXISTS(strtoq HAVE_STRTOQ)
CHECK_FUNCTION_EXISTS(_strtoi64 HAVE__STRTOI64)
CHECK_TYPE_SIZE("long long" LONG_LONG)
CHECK_TYPE_SIZE("unsigned long long" UNSIGNED_LONG_LONG)
# User-configurable options
#
# (Note: CMakeSetup displays these in alphabetical order, regardless of
# the order we use here)
SET(BUILD_SHARED_LIBS OFF CACHE BOOL
"Build shared libraries instead of static ones.")
OPTION(PCRE_BUILD_PCRE8 "Build 8 bit PCRE library" ON)
OPTION(PCRE_BUILD_PCRE16 "Build 16 bit PCRE library" OFF)
OPTION(PCRE_BUILD_PCRE32 "Build 32 bit PCRE library" OFF)
OPTION(PCRE_BUILD_PCRECPP "Build the PCRE C++ library (pcrecpp)." ON)
SET(PCRE_EBCDIC OFF CACHE BOOL
"Use EBCDIC coding instead of ASCII. (This is rarely used outside of mainframe systems.)")
SET(PCRE_EBCDIC_NL25 OFF CACHE BOOL
"Use 0x25 as EBCDIC NL character instead of 0x15; implies EBCDIC.")
SET(PCRE_LINK_SIZE "2" CACHE STRING
"Internal link size (2, 3 or 4 allowed). See LINK_SIZE in config.h.in for details.")
SET(PCRE_PARENS_NEST_LIMIT "250" CACHE STRING
"Default nested parentheses limit. See PARENS_NEST_LIMIT in config.h.in for details.")
SET(PCRE_MATCH_LIMIT "10000000" CACHE STRING
"Default limit on internal looping. See MATCH_LIMIT in config.h.in for details.")
SET(PCRE_MATCH_LIMIT_RECURSION "MATCH_LIMIT" CACHE STRING
"Default limit on internal recursion. See MATCH_LIMIT_RECURSION in config.h.in for details.")
SET(PCREGREP_BUFSIZE "20480" CACHE STRING
"Buffer size parameter for pcregrep. See PCREGREP_BUFSIZE in config.h.in for details.")
SET(PCRE_NEWLINE "LF" CACHE STRING
"What to recognize as a newline (one of CR, LF, CRLF, ANY, ANYCRLF).")
SET(PCRE_NO_RECURSE OFF CACHE BOOL
"If ON, then don't use stack recursion when matching. See NO_RECURSE in config.h.in for details.")
SET(PCRE_POSIX_MALLOC_THRESHOLD "10" CACHE STRING
"Threshold for malloc() usage. See POSIX_MALLOC_THRESHOLD in config.h.in for details.")
SET(PCRE_SUPPORT_JIT OFF CACHE BOOL
"Enable support for Just-in-time compiling.")
SET(PCRE_SUPPORT_PCREGREP_JIT ON CACHE BOOL
"Enable use of Just-in-time compiling in pcregrep.")
SET(PCRE_SUPPORT_UTF OFF CACHE BOOL
"Enable support for Unicode Transformation Format (UTF-8/UTF-16/UTF-32) encoding.")
SET(PCRE_SUPPORT_UNICODE_PROPERTIES OFF CACHE BOOL
"Enable support for Unicode properties (if set, UTF support will be enabled as well).")
SET(PCRE_SUPPORT_BSR_ANYCRLF OFF CACHE BOOL
"ON=Backslash-R matches only LF CR and CRLF, OFF=Backslash-R matches all Unicode Linebreaks")
SET(PCRE_SUPPORT_VALGRIND OFF CACHE BOOL
"Enable Valgrind support.")
OPTION(PCRE_SHOW_REPORT "Show the final configuration report" ON)
OPTION(PCRE_BUILD_PCREGREP "Build pcregrep" ON)
OPTION(PCRE_BUILD_TESTS "Build the tests" ON)
IF (MINGW)
OPTION(NON_STANDARD_LIB_PREFIX
"ON=Shared libraries built in mingw will be named pcre.dll, etc., instead of libpcre.dll, etc."
OFF)
OPTION(NON_STANDARD_LIB_SUFFIX
"ON=Shared libraries built in mingw will be named libpcre-0.dll, etc., instead of libpcre.dll, etc."
OFF)
ENDIF(MINGW)
IF(MSVC)
OPTION(PCRE_STATIC_RUNTIME
"ON=Compile against the static runtime (/MT)."
OFF)
OPTION(INSTALL_MSVC_PDB
"ON=Install .pdb files built by MSVC, if generated"
OFF)
ENDIF(MSVC)
# bzip2 lib
IF(BZIP2_FOUND)
OPTION (PCRE_SUPPORT_LIBBZ2 "Enable support for linking pcregrep with libbz2." ON)
ENDIF(BZIP2_FOUND)
IF(PCRE_SUPPORT_LIBBZ2)
INCLUDE_DIRECTORIES(${BZIP2_INCLUDE_DIR})
ENDIF(PCRE_SUPPORT_LIBBZ2)
# zlib
IF(ZLIB_FOUND)
OPTION (PCRE_SUPPORT_LIBZ "Enable support for linking pcregrep with libz." ON)
ENDIF(ZLIB_FOUND)
IF(PCRE_SUPPORT_LIBZ)
INCLUDE_DIRECTORIES(${ZLIB_INCLUDE_DIR})
ENDIF(PCRE_SUPPORT_LIBZ)
# editline lib
IF(EDITLINE_FOUND)
OPTION (PCRE_SUPPORT_LIBEDIT "Enable support for linking pcretest with libedit." OFF)
ENDIF(EDITLINE_FOUND)
IF(PCRE_SUPPORT_LIBEDIT)
INCLUDE_DIRECTORIES(${EDITLINE_INCLUDE_DIR})
ENDIF(PCRE_SUPPORT_LIBEDIT)
# readline lib
IF(READLINE_FOUND)
OPTION (PCRE_SUPPORT_LIBREADLINE "Enable support for linking pcretest with libreadline." ON)
ENDIF(READLINE_FOUND)
IF(PCRE_SUPPORT_LIBREADLINE)
INCLUDE_DIRECTORIES(${READLINE_INCLUDE_DIR})
ENDIF(PCRE_SUPPORT_LIBREADLINE)
# Prepare build configuration
SET(pcre_have_type_traits 0)
SET(pcre_have_bits_type_traits 0)
IF(HAVE_TYPE_TRAITS_H)
SET(pcre_have_type_traits 1)
ENDIF(HAVE_TYPE_TRAITS_H)
IF(HAVE_BITS_TYPE_TRAITS_H)
SET(pcre_have_bits_type_traits 1)
ENDIF(HAVE_BITS_TYPE_TRAITS_H)
SET(pcre_have_long_long 0)
SET(pcre_have_ulong_long 0)
IF(HAVE_LONG_LONG)
SET(pcre_have_long_long 1)
ENDIF(HAVE_LONG_LONG)
IF(HAVE_UNSIGNED_LONG_LONG)
SET(pcre_have_ulong_long 1)
ENDIF(HAVE_UNSIGNED_LONG_LONG)
IF(NOT BUILD_SHARED_LIBS)
SET(PCRE_STATIC 1)
ENDIF(NOT BUILD_SHARED_LIBS)
IF(NOT PCRE_BUILD_PCRE8 AND NOT PCRE_BUILD_PCRE16 AND NOT PCRE_BUILD_PCRE32)
MESSAGE(FATAL_ERROR "At least one of PCRE_BUILD_PCRE8, PCRE_BUILD_PCRE16 or PCRE_BUILD_PCRE32 must be enabled")
ENDIF(NOT PCRE_BUILD_PCRE8 AND NOT PCRE_BUILD_PCRE16 AND NOT PCRE_BUILD_PCRE32)
IF(PCRE_BUILD_PCRE8)
SET(SUPPORT_PCRE8 1)
ENDIF(PCRE_BUILD_PCRE8)
IF(PCRE_BUILD_PCRE16)
SET(SUPPORT_PCRE16 1)
ENDIF(PCRE_BUILD_PCRE16)
IF(PCRE_BUILD_PCRE32)
SET(SUPPORT_PCRE32 1)
ENDIF(PCRE_BUILD_PCRE32)
IF(PCRE_BUILD_PCRECPP AND NOT PCRE_BUILD_PCRE8)
MESSAGE(STATUS "** PCRE_BUILD_PCRE8 must be enabled for the C++ library support")
SET(PCRE_BUILD_PCRECPP OFF)
ENDIF(PCRE_BUILD_PCRECPP AND NOT PCRE_BUILD_PCRE8)
IF(PCRE_BUILD_PCREGREP AND NOT PCRE_BUILD_PCRE8)
MESSAGE(STATUS "** PCRE_BUILD_PCRE8 must be enabled for the pcregrep program")
SET(PCRE_BUILD_PCREGREP OFF)
ENDIF(PCRE_BUILD_PCREGREP AND NOT PCRE_BUILD_PCRE8)
IF(PCRE_SUPPORT_LIBREADLINE AND PCRE_SUPPORT_LIBEDIT)
MESSAGE(FATAL_ERROR "Only one of libreadline or libeditline can be specified")
ENDIF(PCRE_SUPPORT_LIBREADLINE AND PCRE_SUPPORT_LIBEDIT)
IF(PCRE_SUPPORT_BSR_ANYCRLF)
SET(BSR_ANYCRLF 1)
ENDIF(PCRE_SUPPORT_BSR_ANYCRLF)
IF(PCRE_SUPPORT_UTF OR PCRE_SUPPORT_UNICODE_PROPERTIES)
SET(SUPPORT_UTF 1)
SET(PCRE_SUPPORT_UTF ON)
ENDIF(PCRE_SUPPORT_UTF OR PCRE_SUPPORT_UNICODE_PROPERTIES)
IF(PCRE_SUPPORT_UNICODE_PROPERTIES)
SET(SUPPORT_UCP 1)
ENDIF(PCRE_SUPPORT_UNICODE_PROPERTIES)
IF(PCRE_SUPPORT_JIT)
SET(SUPPORT_JIT 1)
ENDIF(PCRE_SUPPORT_JIT)
IF(PCRE_SUPPORT_PCREGREP_JIT)
SET(SUPPORT_PCREGREP_JIT 1)
ENDIF(PCRE_SUPPORT_PCREGREP_JIT)
IF(PCRE_SUPPORT_VALGRIND)
SET(SUPPORT_VALGRIND 1)
ENDIF(PCRE_SUPPORT_VALGRIND)
# This next one used to contain
# SET(PCRETEST_LIBS ${READLINE_LIBRARY})
# but I was advised to add the NCURSES test as well, along with
# some modifications to cmake/FindReadline.cmake which should
# make it possible to override the default if necessary. PH
IF(PCRE_SUPPORT_LIBREADLINE)
SET(SUPPORT_LIBREADLINE 1)
SET(PCRETEST_LIBS ${READLINE_LIBRARY} ${NCURSES_LIBRARY})
ENDIF(PCRE_SUPPORT_LIBREADLINE)
# libedit is a plug-compatible alternative to libreadline
IF(PCRE_SUPPORT_LIBEDIT)
SET(SUPPORT_LIBEDIT 1)
SET(PCRETEST_LIBS ${EDITLINE_LIBRARY} ${NCURSES_LIBRARY})
ENDIF(PCRE_SUPPORT_LIBEDIT)
IF(PCRE_SUPPORT_LIBZ)
SET(SUPPORT_LIBZ 1)
SET(PCREGREP_LIBS ${PCREGREP_LIBS} ${ZLIB_LIBRARIES})
ENDIF(PCRE_SUPPORT_LIBZ)
IF(PCRE_SUPPORT_LIBBZ2)
SET(SUPPORT_LIBBZ2 1)
SET(PCREGREP_LIBS ${PCREGREP_LIBS} ${BZIP2_LIBRARIES})
ENDIF(PCRE_SUPPORT_LIBBZ2)
SET(NEWLINE "")
IF(PCRE_NEWLINE STREQUAL "LF")
SET(NEWLINE "10")
ENDIF(PCRE_NEWLINE STREQUAL "LF")
IF(PCRE_NEWLINE STREQUAL "CR")
SET(NEWLINE "13")
ENDIF(PCRE_NEWLINE STREQUAL "CR")
IF(PCRE_NEWLINE STREQUAL "CRLF")
SET(NEWLINE "3338")
ENDIF(PCRE_NEWLINE STREQUAL "CRLF")
IF(PCRE_NEWLINE STREQUAL "ANY")
SET(NEWLINE "-1")
ENDIF(PCRE_NEWLINE STREQUAL "ANY")
IF(PCRE_NEWLINE STREQUAL "ANYCRLF")
SET(NEWLINE "-2")
ENDIF(PCRE_NEWLINE STREQUAL "ANYCRLF")
IF(NEWLINE STREQUAL "")
MESSAGE(FATAL_ERROR "The PCRE_NEWLINE variable must be set to one of the following values: \"LF\", \"CR\", \"CRLF\", \"ANY\", \"ANYCRLF\".")
ENDIF(NEWLINE STREQUAL "")
IF(PCRE_EBCDIC)
SET(EBCDIC 1)
IF(PCRE_NEWLINE STREQUAL "LF")
SET(NEWLINE "21")
ENDIF(PCRE_NEWLINE STREQUAL "LF")
IF(PCRE_NEWLINE STREQUAL "CRLF")
SET(NEWLINE "3349")
ENDIF(PCRE_NEWLINE STREQUAL "CRLF")
ENDIF(PCRE_EBCDIC)
IF(PCRE_EBCDIC_NL25)
SET(EBCDIC 1)
SET(EBCDIC_NL25 1)
IF(PCRE_NEWLINE STREQUAL "LF")
SET(NEWLINE "37")
ENDIF(PCRE_NEWLINE STREQUAL "LF")
IF(PCRE_NEWLINE STREQUAL "CRLF")
SET(NEWLINE "3365")
ENDIF(PCRE_NEWLINE STREQUAL "CRLF")
ENDIF(PCRE_EBCDIC_NL25)
IF(PCRE_NO_RECURSE)
SET(NO_RECURSE 1)
ENDIF(PCRE_NO_RECURSE)
# Output files
CONFIGURE_FILE(config-cmake.h.in
${PROJECT_BINARY_DIR}/config.h
@ONLY)
# Parse version numbers and date out of configure.ac
file(STRINGS ${PROJECT_SOURCE_DIR}/configure.ac
configure_lines
LIMIT_COUNT 50 # Read only the first 50 lines of the file
)
set(SEARCHED_VARIABLES "pcre_major" "pcre_minor" "pcre_prerelease" "pcre_date")
foreach(configure_line ${configure_lines})
foreach(_substitution_variable ${SEARCHED_VARIABLES})
string(TOUPPER ${_substitution_variable} _substitution_variable_upper)
if (NOT ${_substitution_variable_upper})
string(REGEX MATCH "m4_define\\(${_substitution_variable}, \\[(.*)\\]" MACTHED_STRING ${configure_line})
if (CMAKE_MATCH_1)
set(${_substitution_variable_upper} ${CMAKE_MATCH_1})
endif()
endif()
endforeach()
endforeach()
CONFIGURE_FILE(pcre.h.in
${PROJECT_BINARY_DIR}/pcre.h
@ONLY)
# What about pcre-config and libpcre.pc?
IF(PCRE_BUILD_PCRECPP)
CONFIGURE_FILE(pcre_stringpiece.h.in
${PROJECT_BINARY_DIR}/pcre_stringpiece.h
@ONLY)
CONFIGURE_FILE(pcrecpparg.h.in
${PROJECT_BINARY_DIR}/pcrecpparg.h
@ONLY)
ENDIF(PCRE_BUILD_PCRECPP)
# Character table generation
OPTION(PCRE_REBUILD_CHARTABLES "Rebuild char tables" OFF)
IF(PCRE_REBUILD_CHARTABLES)
ADD_EXECUTABLE(dftables dftables.c)
GET_TARGET_PROPERTY(DFTABLES_EXE dftables LOCATION)
ADD_CUSTOM_COMMAND(
COMMENT "Generating character tables (pcre_chartables.c) for current locale"
DEPENDS dftables
COMMAND ${DFTABLES_EXE}
ARGS ${PROJECT_BINARY_DIR}/pcre_chartables.c
OUTPUT ${PROJECT_BINARY_DIR}/pcre_chartables.c
)
ELSE(PCRE_REBUILD_CHARTABLES)
CONFIGURE_FILE(${PROJECT_SOURCE_DIR}/pcre_chartables.c.dist
${PROJECT_BINARY_DIR}/pcre_chartables.c
COPYONLY)
ENDIF(PCRE_REBUILD_CHARTABLES)
# Source code
SET(PCRE_HEADERS ${PROJECT_BINARY_DIR}/pcre.h)
IF(PCRE_BUILD_PCRE8)
SET(PCRE_SOURCES
pcre_byte_order.c
pcre_chartables.c
pcre_compile.c
pcre_config.c
pcre_dfa_exec.c
pcre_exec.c
pcre_fullinfo.c
pcre_get.c
pcre_globals.c
pcre_jit_compile.c
pcre_maketables.c
pcre_newline.c
pcre_ord2utf8.c
pcre_refcount.c
pcre_string_utils.c
pcre_study.c
pcre_tables.c
pcre_ucd.c
pcre_valid_utf8.c
pcre_version.c
pcre_xclass.c
)
SET(PCREPOSIX_HEADERS pcreposix.h)
SET(PCREPOSIX_SOURCES pcreposix.c)
ENDIF(PCRE_BUILD_PCRE8)
IF(PCRE_BUILD_PCRE16)
SET(PCRE16_SOURCES
pcre16_byte_order.c
pcre16_chartables.c
pcre16_compile.c
pcre16_config.c
pcre16_dfa_exec.c
pcre16_exec.c
pcre16_fullinfo.c
pcre16_get.c
pcre16_globals.c
pcre16_jit_compile.c
pcre16_maketables.c
pcre16_newline.c
pcre16_ord2utf16.c
pcre16_refcount.c
pcre16_string_utils.c
pcre16_study.c
pcre16_tables.c
pcre16_ucd.c
pcre16_utf16_utils.c
pcre16_valid_utf16.c
pcre16_version.c
pcre16_xclass.c
)
ENDIF(PCRE_BUILD_PCRE16)
IF(PCRE_BUILD_PCRE32)
SET(PCRE32_SOURCES
pcre32_byte_order.c
pcre32_chartables.c
pcre32_compile.c
pcre32_config.c
pcre32_dfa_exec.c
pcre32_exec.c
pcre32_fullinfo.c
pcre32_get.c
pcre32_globals.c
pcre32_jit_compile.c
pcre32_maketables.c
pcre32_newline.c
pcre32_ord2utf32.c
pcre32_refcount.c
pcre32_string_utils.c
pcre32_study.c
pcre32_tables.c
pcre32_ucd.c
pcre32_utf32_utils.c
pcre32_valid_utf32.c
pcre32_version.c
pcre32_xclass.c
)
ENDIF(PCRE_BUILD_PCRE32)
IF(MINGW AND NOT PCRE_STATIC)
IF (EXISTS ${PROJECT_SOURCE_DIR}/pcre.rc)
ADD_CUSTOM_COMMAND(OUTPUT ${PROJECT_SOURCE_DIR}/pcre.o
PRE-LINK
COMMAND windres ARGS pcre.rc pcre.o
WORKING_DIRECTORY ${PROJECT_SOURCE_DIR}
COMMENT Using pcre coff info in mingw build)
SET(PCRE_SOURCES
${PCRE_SOURCES} ${PROJECT_SOURCE_DIR}/pcre.o
)
ENDIF(EXISTS ${PROJECT_SOURCE_DIR}/pcre.rc)
IF (EXISTS ${PROJECT_SOURCE_DIR}/pcreposix.rc)
ADD_CUSTOM_COMMAND(OUTPUT ${PROJECT_SOURCE_DIR}/pcreposix.o
PRE-LINK
COMMAND windres ARGS pcreposix.rc pcreposix.o
WORKING_DIRECTORY ${PROJECT_SOURCE_DIR}
COMMENT Using pcreposix coff info in mingw build)
SET(PCREPOSIX_SOURCES
${PCREPOSIX_SOURCES} ${PROJECT_SOURCE_DIR}/pcreposix.o
)
ENDIF(EXISTS ${PROJECT_SOURCE_DIR}/pcreposix.rc)
ENDIF(MINGW AND NOT PCRE_STATIC)
IF(MSVC AND NOT PCRE_STATIC)
IF (EXISTS ${PROJECT_SOURCE_DIR}/pcre.rc)
SET(PCRE_SOURCES
${PCRE_SOURCES} pcre.rc)
ENDIF(EXISTS ${PROJECT_SOURCE_DIR}/pcre.rc)
IF (EXISTS ${PROJECT_SOURCE_DIR}/pcreposix.rc)
SET(PCREPOSIX_SOURCES
${PCREPOSIX_SOURCES} pcreposix.rc)
ENDIF (EXISTS ${PROJECT_SOURCE_DIR}/pcreposix.rc)
ENDIF(MSVC AND NOT PCRE_STATIC)
# Fix static compilation with MSVC: https://bugs.exim.org/show_bug.cgi?id=1681
# This code was taken from the CMake wiki, not from WebM.
IF(MSVC AND PCRE_STATIC_RUNTIME)
MESSAGE(STATUS "** MSVC and PCRE_STATIC_RUNTIME: modifying compiler flags to use static runtime library")
foreach(flag_var
CMAKE_C_FLAGS CMAKE_C_FLAGS_DEBUG CMAKE_C_FLAGS_RELEASE
CMAKE_C_FLAGS_MINSIZEREL CMAKE_C_FLAGS_RELWITHDEBINFO
CMAKE_CXX_FLAGS CMAKE_CXX_FLAGS_DEBUG CMAKE_CXX_FLAGS_RELEASE
CMAKE_CXX_FLAGS_MINSIZEREL CMAKE_CXX_FLAGS_RELWITHDEBINFO)
string(REGEX REPLACE "/MD" "/MT" ${flag_var} "${${flag_var}}")
endforeach()
ENDIF(MSVC AND PCRE_STATIC_RUNTIME)
SET(PCRECPP_HEADERS
pcrecpp.h
pcre_scanner.h
${PROJECT_BINARY_DIR}/pcrecpparg.h
${PROJECT_BINARY_DIR}/pcre_stringpiece.h
)
SET(PCRECPP_SOURCES
pcrecpp.cc
pcre_scanner.cc
pcre_stringpiece.cc
)
# Build setup
ADD_DEFINITIONS(-DHAVE_CONFIG_H)
IF(MSVC)
ADD_DEFINITIONS(-D_CRT_SECURE_NO_DEPRECATE -D_CRT_SECURE_NO_WARNINGS)
ENDIF(MSVC)
SET(CMAKE_INCLUDE_CURRENT_DIR 1)
# needed to make sure to not link debug libs
# against release libs and vice versa
IF(WIN32)
SET(CMAKE_DEBUG_POSTFIX "d")
ENDIF(WIN32)
SET(targets)
# Libraries
# pcre
IF(PCRE_BUILD_PCRE8)
ADD_LIBRARY(pcre ${PCRE_HEADERS} ${PCRE_SOURCES} ${PROJECT_BINARY_DIR}/config.h)
SET(targets ${targets} pcre)
ADD_LIBRARY(pcreposix ${PCREPOSIX_HEADERS} ${PCREPOSIX_SOURCES})
SET(targets ${targets} pcreposix)
TARGET_LINK_LIBRARIES(pcreposix pcre)
IF(MINGW AND NOT PCRE_STATIC)
IF(NON_STANDARD_LIB_PREFIX)
SET_TARGET_PROPERTIES(pcre pcreposix
PROPERTIES PREFIX ""
)
ENDIF(NON_STANDARD_LIB_PREFIX)
IF(NON_STANDARD_LIB_SUFFIX)
SET_TARGET_PROPERTIES(pcre pcreposix
PROPERTIES SUFFIX "-0.dll"
)
ENDIF(NON_STANDARD_LIB_SUFFIX)
ENDIF(MINGW AND NOT PCRE_STATIC)
ENDIF(PCRE_BUILD_PCRE8)
IF(PCRE_BUILD_PCRE16)
ADD_LIBRARY(pcre16 ${PCRE_HEADERS} ${PCRE16_SOURCES} ${PROJECT_BINARY_DIR}/config.h)
SET(targets ${targets} pcre16)
IF(MINGW AND NOT PCRE_STATIC)
IF(NON_STANDARD_LIB_PREFIX)
SET_TARGET_PROPERTIES(pcre16
PROPERTIES PREFIX ""
)
ENDIF(NON_STANDARD_LIB_PREFIX)
IF(NON_STANDARD_LIB_SUFFIX)
SET_TARGET_PROPERTIES(pcre16
PROPERTIES SUFFIX "-0.dll"
)
ENDIF(NON_STANDARD_LIB_SUFFIX)
ENDIF(MINGW AND NOT PCRE_STATIC)
ENDIF(PCRE_BUILD_PCRE16)
IF(PCRE_BUILD_PCRE32)
ADD_LIBRARY(pcre32 ${PCRE_HEADERS} ${PCRE32_SOURCES} ${PROJECT_BINARY_DIR}/config.h)
SET(targets ${targets} pcre32)
IF(MINGW AND NOT PCRE_STATIC)
IF(NON_STANDARD_LIB_PREFIX)
SET_TARGET_PROPERTIES(pcre32
PROPERTIES PREFIX ""
)
ENDIF(NON_STANDARD_LIB_PREFIX)
IF(NON_STANDARD_LIB_SUFFIX)
SET_TARGET_PROPERTIES(pcre32
PROPERTIES SUFFIX "-0.dll"
)
ENDIF(NON_STANDARD_LIB_SUFFIX)
ENDIF(MINGW AND NOT PCRE_STATIC)
ENDIF(PCRE_BUILD_PCRE32)
# pcrecpp
IF(PCRE_BUILD_PCRECPP)
ADD_LIBRARY(pcrecpp ${PCRECPP_HEADERS} ${PCRECPP_SOURCES})
SET(targets ${targets} pcrecpp)
TARGET_LINK_LIBRARIES(pcrecpp pcre)
IF(MINGW AND NOT PCRE_STATIC)
IF(NON_STANDARD_LIB_PREFIX)
SET_TARGET_PROPERTIES(pcrecpp
PROPERTIES PREFIX ""
)
ENDIF(NON_STANDARD_LIB_PREFIX)
IF(NON_STANDARD_LIB_SUFFIX)
SET_TARGET_PROPERTIES(pcrecpp
PROPERTIES SUFFIX "-0.dll"
)
ENDIF(NON_STANDARD_LIB_SUFFIX)
ENDIF(MINGW AND NOT PCRE_STATIC)
ENDIF(PCRE_BUILD_PCRECPP)
# Executables
# Removed by PH (2008-01-23) because pcredemo shouldn't really be built
# automatically, and it gave trouble in some environments anyway.
# ADD_EXECUTABLE(pcredemo pcredemo.c)
# TARGET_LINK_LIBRARIES(pcredemo pcreposix)
# IF(NOT BUILD_SHARED_LIBS)
# # make sure to not use declspec(dllimport) in static mode on windows
# SET_TARGET_PROPERTIES(pcredemo PROPERTIES COMPILE_FLAGS "-DPCRE_STATIC")
# ENDIF(NOT BUILD_SHARED_LIBS)
IF(PCRE_BUILD_PCREGREP)
ADD_EXECUTABLE(pcregrep pcregrep.c)
SET(targets ${targets} pcregrep)
TARGET_LINK_LIBRARIES(pcregrep pcreposix ${PCREGREP_LIBS})
ENDIF(PCRE_BUILD_PCREGREP)
# Testing
IF(PCRE_BUILD_TESTS)
ENABLE_TESTING()
SET(PCRETEST_SOURCES pcretest.c)
IF(PCRE_BUILD_PCRE8)
LIST(APPEND PCRETEST_SOURCES pcre_printint.c)
ENDIF(PCRE_BUILD_PCRE8)
IF(PCRE_BUILD_PCRE16)
LIST(APPEND PCRETEST_SOURCES pcre16_printint.c)
ENDIF(PCRE_BUILD_PCRE16)
IF(PCRE_BUILD_PCRE32)
LIST(APPEND PCRETEST_SOURCES pcre32_printint.c)
ENDIF(PCRE_BUILD_PCRE32)
ADD_EXECUTABLE(pcretest ${PCRETEST_SOURCES})
SET(targets ${targets} pcretest)
IF(PCRE_BUILD_PCRE8)
LIST(APPEND PCRETEST_LIBS pcreposix pcre)
ENDIF(PCRE_BUILD_PCRE8)
IF(PCRE_BUILD_PCRE16)
LIST(APPEND PCRETEST_LIBS pcre16)
ENDIF(PCRE_BUILD_PCRE16)
IF(PCRE_BUILD_PCRE32)
LIST(APPEND PCRETEST_LIBS pcre32)
ENDIF(PCRE_BUILD_PCRE32)
TARGET_LINK_LIBRARIES(pcretest ${PCRETEST_LIBS})
IF(PCRE_SUPPORT_JIT)
ADD_EXECUTABLE(pcre_jit_test pcre_jit_test.c)
SET(targets ${targets} pcre_jit_test)
SET(PCRE_JIT_TEST_LIBS )
IF(PCRE_BUILD_PCRE8)
LIST(APPEND PCRE_JIT_TEST_LIBS pcre)
ENDIF(PCRE_BUILD_PCRE8)
IF(PCRE_BUILD_PCRE16)
LIST(APPEND PCRE_JIT_TEST_LIBS pcre16)
ENDIF(PCRE_BUILD_PCRE16)
IF(PCRE_BUILD_PCRE32)
LIST(APPEND PCRE_JIT_TEST_LIBS pcre32)
ENDIF(PCRE_BUILD_PCRE32)
TARGET_LINK_LIBRARIES(pcre_jit_test ${PCRE_JIT_TEST_LIBS})
ENDIF(PCRE_SUPPORT_JIT)
IF(PCRE_BUILD_PCRECPP)
ADD_EXECUTABLE(pcrecpp_unittest pcrecpp_unittest.cc)
SET(targets ${targets} pcrecpp_unittest)
TARGET_LINK_LIBRARIES(pcrecpp_unittest pcrecpp)
IF(MINGW AND NON_STANDARD_LIB_NAMES AND NOT PCRE_STATIC)
SET_TARGET_PROPERTIES(pcrecpp
PROPERTIES PREFIX ""
)
ENDIF(MINGW AND NON_STANDARD_LIB_NAMES AND NOT PCRE_STATIC)
ADD_EXECUTABLE(pcre_scanner_unittest pcre_scanner_unittest.cc)
SET(targets ${targets} pcre_scanner_unittest)
TARGET_LINK_LIBRARIES(pcre_scanner_unittest pcrecpp)
ADD_EXECUTABLE(pcre_stringpiece_unittest pcre_stringpiece_unittest.cc)
SET(targets ${targets} pcre_stringpiece_unittest)
TARGET_LINK_LIBRARIES(pcre_stringpiece_unittest pcrecpp)
ENDIF(PCRE_BUILD_PCRECPP)
# exes in Debug location tested by the RunTest shell script
# via "make test"
IF(PCRE_BUILD_PCREGREP)
GET_TARGET_PROPERTY(PCREGREP_EXE pcregrep DEBUG_LOCATION)
ENDIF(PCRE_BUILD_PCREGREP)
GET_TARGET_PROPERTY(PCRETEST_EXE pcretest DEBUG_LOCATION)
# =================================================
# Write out a CTest configuration file
#
FILE(WRITE ${PROJECT_BINARY_DIR}/CTestCustom.ctest
"# This is a generated file.
MESSAGE(\"When testing is complete, review test output in the
\\\"${PROJECT_BINARY_DIR}/Testing/Temporary\\\" folder.\")
MESSAGE(\" \")
")
FILE(WRITE ${PROJECT_BINARY_DIR}/pcre_test.sh
"#! /bin/sh
# This is a generated file.
srcdir=${PROJECT_SOURCE_DIR}
pcretest=${PCRETEST_EXE}
. ${PROJECT_SOURCE_DIR}/RunTest
if test \"$?\" != \"0\"; then exit 1; fi
# End
")
IF(UNIX)
ADD_TEST(pcre_test sh ${PROJECT_BINARY_DIR}/pcre_test.sh)
ENDIF(UNIX)
IF(PCRE_BUILD_PCREGREP)
FILE(WRITE ${PROJECT_BINARY_DIR}/pcre_grep_test.sh
"#! /bin/sh
# This is a generated file.
srcdir=${PROJECT_SOURCE_DIR}
pcregrep=${PCREGREP_EXE}
pcretest=${PCRETEST_EXE}
. ${PROJECT_SOURCE_DIR}/RunGrepTest
if test \"$?\" != \"0\"; then exit 1; fi
# End
")
IF(UNIX)
ADD_TEST(pcre_grep_test sh ${PROJECT_BINARY_DIR}/pcre_grep_test.sh)
ENDIF(UNIX)
ENDIF(PCRE_BUILD_PCREGREP)
IF(WIN32)
# Provide environment for executing the bat file version of RunTest
FILE(TO_NATIVE_PATH ${PROJECT_SOURCE_DIR} winsrc)
FILE(TO_NATIVE_PATH ${PROJECT_BINARY_DIR} winbin)
FILE(TO_NATIVE_PATH ${PCRETEST_EXE} winexe)
FILE(WRITE ${PROJECT_BINARY_DIR}/pcre_test.bat
"\@REM This is a generated file.
\@echo off
setlocal
SET srcdir=\"${winsrc}\"
SET pcretest=\"${winexe}\"
if not [%CMAKE_CONFIG_TYPE%]==[] SET pcretest=\"${winbin}\\%CMAKE_CONFIG_TYPE%\\pcretest.exe\"
call %srcdir%\\RunTest.Bat
if errorlevel 1 exit /b 1
echo RunTest.bat tests successfully completed
")
ADD_TEST(NAME pcre_test_bat
COMMAND pcre_test.bat)
SET_TESTS_PROPERTIES(pcre_test_bat PROPERTIES
PASS_REGULAR_EXPRESSION "RunTest\\.bat tests successfully completed")
IF("$ENV{OSTYPE}" STREQUAL "msys")
# Both the sh and bat file versions of RunTest are run if make test is used
# in msys
ADD_TEST(pcre_test_sh sh.exe ${PROJECT_BINARY_DIR}/pcre_test.sh)
IF(PCRE_BUILD_PCREGREP)
ADD_TEST(pcre_grep_test sh.exe ${PROJECT_BINARY_DIR}/pcre_grep_test.sh)
ENDIF(PCRE_BUILD_PCREGREP)
ENDIF("$ENV{OSTYPE}" STREQUAL "msys")
ENDIF(WIN32)
# Changed to accommodate testing whichever location was just built
IF(PCRE_SUPPORT_JIT)
ADD_TEST(pcre_jit_test pcre_jit_test)
ENDIF(PCRE_SUPPORT_JIT)
IF(PCRE_BUILD_PCRECPP)
ADD_TEST(pcrecpp_test pcrecpp_unittest)
ADD_TEST(pcre_scanner_test pcre_scanner_unittest)
ADD_TEST(pcre_stringpiece_test pcre_stringpiece_unittest)
ENDIF(PCRE_BUILD_PCRECPP)
ENDIF(PCRE_BUILD_TESTS)
# Installation
SET(CMAKE_INSTALL_ALWAYS 1)
INSTALL(TARGETS ${targets}
RUNTIME DESTINATION bin
LIBRARY DESTINATION lib
ARCHIVE DESTINATION lib)
INSTALL(FILES ${PCRE_HEADERS} ${PCREPOSIX_HEADERS} DESTINATION include)
FILE(GLOB html ${PROJECT_SOURCE_DIR}/doc/html/*.html)
FILE(GLOB man1 ${PROJECT_SOURCE_DIR}/doc/*.1)
FILE(GLOB man3 ${PROJECT_SOURCE_DIR}/doc/*.3)
IF(PCRE_BUILD_PCRECPP)
INSTALL(FILES ${PCRECPP_HEADERS} DESTINATION include)
ELSE(PCRE_BUILD_PCRECPP)
# Remove pcrecpp.3
FOREACH(man ${man3})
GET_FILENAME_COMPONENT(man_tmp ${man} NAME)
IF(NOT man_tmp STREQUAL "pcrecpp.3")
SET(man3_new ${man3} ${man})
ENDIF(NOT man_tmp STREQUAL "pcrecpp.3")
ENDFOREACH(man ${man3})
SET(man3 ${man3_new})
ENDIF(PCRE_BUILD_PCRECPP)
INSTALL(FILES ${man1} DESTINATION man/man1)
INSTALL(FILES ${man3} DESTINATION man/man3)
INSTALL(FILES ${html} DESTINATION share/doc/pcre/html)
IF(MSVC AND INSTALL_MSVC_PDB)
INSTALL(FILES ${PROJECT_BINARY_DIR}/pcre.pdb
${PROJECT_BINARY_DIR}/pcreposix.pdb
DESTINATION bin
CONFIGURATIONS RelWithDebInfo)
INSTALL(FILES ${PROJECT_BINARY_DIR}/pcred.pdb
${PROJECT_BINARY_DIR}/pcreposixd.pdb
DESTINATION bin
CONFIGURATIONS Debug)
ENDIF(MSVC AND INSTALL_MSVC_PDB)
# help, only for nice output
IF(BUILD_SHARED_LIBS)
SET(BUILD_STATIC_LIBS OFF)
ELSE(BUILD_SHARED_LIBS)
SET(BUILD_STATIC_LIBS ON)
ENDIF(BUILD_SHARED_LIBS)
IF(PCRE_SHOW_REPORT)
STRING(TOUPPER "${CMAKE_BUILD_TYPE}" buildtype)
IF (CMAKE_C_FLAGS)
SET(cfsp " ")
ENDIF(CMAKE_C_FLAGS)
IF (CMAKE_CXX_FLAGS)
SET(cxxfsp " ")
ENDIF(CMAKE_CXX_FLAGS)
MESSAGE(STATUS "")
MESSAGE(STATUS "")
MESSAGE(STATUS "PCRE configuration summary:")
MESSAGE(STATUS "")
MESSAGE(STATUS " Install prefix .................. : ${CMAKE_INSTALL_PREFIX}")
MESSAGE(STATUS " C compiler ...................... : ${CMAKE_C_COMPILER}")
MESSAGE(STATUS " C++ compiler .................... : ${CMAKE_CXX_COMPILER}")
MESSAGE(STATUS " C compiler flags ................ : ${CMAKE_C_FLAGS}${cfsp}${CMAKE_C_FLAGS_${buildtype}}")
MESSAGE(STATUS " C++ compiler flags .............. : ${CMAKE_CXX_FLAGS}${cxxfsp}${CMAKE_CXX_FLAGS_${buildtype}}")
MESSAGE(STATUS "")
MESSAGE(STATUS " Build 8 bit PCRE library ........ : ${PCRE_BUILD_PCRE8}")
MESSAGE(STATUS " Build 16 bit PCRE library ....... : ${PCRE_BUILD_PCRE16}")
MESSAGE(STATUS " Build 32 bit PCRE library ....... : ${PCRE_BUILD_PCRE32}")
MESSAGE(STATUS " Build C++ library ............... : ${PCRE_BUILD_PCRECPP}")
MESSAGE(STATUS " Enable JIT compiling support .... : ${PCRE_SUPPORT_JIT}")
MESSAGE(STATUS " Enable UTF support .............. : ${PCRE_SUPPORT_UTF}")
MESSAGE(STATUS " Unicode properties .............. : ${PCRE_SUPPORT_UNICODE_PROPERTIES}")
MESSAGE(STATUS " Newline char/sequence ........... : ${PCRE_NEWLINE}")
MESSAGE(STATUS " \\R matches only ANYCRLF ......... : ${PCRE_SUPPORT_BSR_ANYCRLF}")
MESSAGE(STATUS " EBCDIC coding ................... : ${PCRE_EBCDIC}")
MESSAGE(STATUS " EBCDIC coding with NL=0x25 ...... : ${PCRE_EBCDIC_NL25}")
MESSAGE(STATUS " Rebuild char tables ............. : ${PCRE_REBUILD_CHARTABLES}")
MESSAGE(STATUS " No stack recursion .............. : ${PCRE_NO_RECURSE}")
MESSAGE(STATUS " POSIX mem threshold ............. : ${PCRE_POSIX_MALLOC_THRESHOLD}")
MESSAGE(STATUS " Internal link size .............. : ${PCRE_LINK_SIZE}")
MESSAGE(STATUS " Parentheses nest limit .......... : ${PCRE_PARENS_NEST_LIMIT}")
MESSAGE(STATUS " Match limit ..................... : ${PCRE_MATCH_LIMIT}")
MESSAGE(STATUS " Match limit recursion ........... : ${PCRE_MATCH_LIMIT_RECURSION}")
MESSAGE(STATUS " Build shared libs ............... : ${BUILD_SHARED_LIBS}")
MESSAGE(STATUS " Build static libs ............... : ${BUILD_STATIC_LIBS}")
MESSAGE(STATUS " Build pcregrep .................. : ${PCRE_BUILD_PCREGREP}")
MESSAGE(STATUS " Enable JIT in pcregrep .......... : ${PCRE_SUPPORT_PCREGREP_JIT}")
MESSAGE(STATUS " Buffer size for pcregrep ........ : ${PCREGREP_BUFSIZE}")
MESSAGE(STATUS " Build tests (implies pcretest .. : ${PCRE_BUILD_TESTS}")
MESSAGE(STATUS " and pcregrep)")
IF(ZLIB_FOUND)
MESSAGE(STATUS " Link pcregrep with libz ......... : ${PCRE_SUPPORT_LIBZ}")
ELSE(ZLIB_FOUND)
MESSAGE(STATUS " Link pcregrep with libz ......... : Library not found" )
ENDIF(ZLIB_FOUND)
IF(BZIP2_FOUND)
MESSAGE(STATUS " Link pcregrep with libbz2 ....... : ${PCRE_SUPPORT_LIBBZ2}")
ELSE(BZIP2_FOUND)
MESSAGE(STATUS " Link pcregrep with libbz2 ....... : Library not found" )
ENDIF(BZIP2_FOUND)
IF(EDITLINE_FOUND)
MESSAGE(STATUS " Link pcretest with libeditline .. : ${PCRE_SUPPORT_LIBEDIT}")
ELSE(EDITLINE_FOUND)
MESSAGE(STATUS " Link pcretest with libeditline .. : Library not found" )
ENDIF(EDITLINE_FOUND)
IF(READLINE_FOUND)
MESSAGE(STATUS " Link pcretest with libreadline .. : ${PCRE_SUPPORT_LIBREADLINE}")
ELSE(READLINE_FOUND)
MESSAGE(STATUS " Link pcretest with libreadline .. : Library not found" )
ENDIF(READLINE_FOUND)
MESSAGE(STATUS " Support Valgrind .................: ${PCRE_SUPPORT_VALGRIND}")
MESSAGE(STATUS " Support coverage .................: ${PCRE_SUPPORT_COVERAGE}")
IF(MINGW AND NOT PCRE_STATIC)
MESSAGE(STATUS " Non-standard dll names (prefix) . : ${NON_STANDARD_LIB_PREFIX}")
MESSAGE(STATUS " Non-standard dll names (suffix) . : ${NON_STANDARD_LIB_SUFFIX}")
ENDIF(MINGW AND NOT PCRE_STATIC)
IF(MSVC)
MESSAGE(STATUS " Install MSVC .pdb files ..........: ${INSTALL_MSVC_PDB}")
ENDIF(MSVC)
MESSAGE(STATUS "")
ENDIF(PCRE_SHOW_REPORT)
# end CMakeLists.txt
+5
View File
@@ -0,0 +1,5 @@
PCRE LICENCE
Please see the file LICENCE in the PCRE distribution for licensing details.
End
+6104
View File
@@ -0,0 +1,6104 @@
ChangeLog for PCRE
------------------
Note that the PCRE 8.xx series (PCRE1) is now in a bugfix-only state. All
development is happening in the PCRE2 10.xx series.
Version 8.41 05-July-2017
-------------------------
1. Fixed typo in CMakeLists.txt (wrong number of arguments for
PCRE_STATIC_RUNTIME (affects MSVC only).
2. Issue 1 for 8.40 below was not correctly fixed. If pcregrep in multiline
mode with --only-matching matched several lines, it restarted scanning at the
next line instead of moving on to the end of the matched string, which can be
several lines after the start.
3. Fix a missing else in the JIT compiler reported by 'idaifish'.
4. A (?# style comment is now ignored between a basic quantifier and a
following '+' or '?' (example: /X+(?#comment)?Y/.
5. Avoid use of a potentially overflowing buffer in pcregrep (patch by Petr
Pisar).
6. Fuzzers have reported issues in pcretest. These are NOT serious (it is,
after all, just a test program). However, to stop the reports, some easy ones
are fixed:
(a) Check for values < 256 when calling isprint() in pcretest.
(b) Give an error for too big a number after \O.
7. In the 32-bit library in non-UTF mode, an attempt to find a Unicode
property for a character with a code point greater than 0x10ffff (the Unicode
maximum) caused a crash.
8. The alternative matching function, pcre_dfa_exec() misbehaved if it
encountered a character class with a possessive repeat, for example [a-f]{3}+.
9. When pcretest called pcre_copy_substring() in 32-bit mode, it set the buffer
length incorrectly, which could result in buffer overflow.
10. Remove redundant line of code (accidentally left in ages ago).
11. Applied C++ patch from Irfan Adilovic to guard 'using std::' directives
with namespace pcrecpp (Bugzilla #2084).
12. Remove a duplication typo in pcre_tables.c.
13. Fix returned offsets from regexec() when REG_STARTEND is used with a
starting offset greater than zero.
Version 8.40 11-January-2017
----------------------------
1. Using -o with -M in pcregrep could cause unnecessary repeated output when
the match extended over a line boundary.
2. Applied Chris Wilson's second patch (Bugzilla #1681) to CMakeLists.txt for
MSVC static compilation, putting the first patch under a new option.
3. Fix register overwite in JIT when SSE2 acceleration is enabled.
4. Ignore "show all captures" (/=) for DFA matching.
5. Fix JIT unaligned accesses on x86. Patch by Marc Mutz.
6. In any wide-character mode (8-bit UTF or any 16-bit or 32-bit mode),
without PCRE_UCP set, a negative character type such as \D in a positive
class should cause all characters greater than 255 to match, whatever else
is in the class. There was a bug that caused this not to happen if a
Unicode property item was added to such a class, for example [\D\P{Nd}] or
[\W\pL].
7. When pcretest was outputing information from a callout, the caret indicator
for the current position in the subject line was incorrect if it was after
an escape sequence for a character whose code point was greater than
\x{ff}.
8. A pattern such as (?<RA>abc)(?(R)xyz) was incorrectly compiled such that
the conditional was interpreted as a reference to capturing group 1 instead
of a test for recursion. Any group whose name began with R was
misinterpreted in this way. (The reference interpretation should only
happen if the group's name is precisely "R".)
9. A number of bugs have been mended relating to match start-up optimizations
when the first thing in a pattern is a positive lookahead. These all
applied only when PCRE_NO_START_OPTIMIZE was *not* set:
(a) A pattern such as (?=.*X)X$ was incorrectly optimized as if it needed
both an initial 'X' and a following 'X'.
(b) Some patterns starting with an assertion that started with .* were
incorrectly optimized as having to match at the start of the subject or
after a newline. There are cases where this is not true, for example,
(?=.*[A-Z])(?=.{8,16})(?!.*[\s]) matches after the start in lines that
start with spaces. Starting .* in an assertion is no longer taken as an
indication of matching at the start (or after a newline).
Version 8.39 14-June-2016
-------------------------
1. If PCRE_AUTO_CALLOUT was set on a pattern that had a (?# comment between
an item and its qualifier (for example, A(?#comment)?B) pcre_compile()
misbehaved. This bug was found by the LLVM fuzzer.
2. Similar to the above, if an isolated \E was present between an item and its
qualifier when PCRE_AUTO_CALLOUT was set, pcre_compile() misbehaved. This
bug was found by the LLVM fuzzer.
3. Further to 8.38/46, negated classes such as [^[:^ascii:]\d] were also not
working correctly in UCP mode.
4. The POSIX wrapper function regexec() crashed if the option REG_STARTEND
was set when the pmatch argument was NULL. It now returns REG_INVARG.
5. Allow for up to 32-bit numbers in the ordin() function in pcregrep.
6. An empty \Q\E sequence between an item and its qualifier caused
pcre_compile() to misbehave when auto callouts were enabled. This bug was
found by the LLVM fuzzer.
7. If a pattern that was compiled with PCRE_EXTENDED started with white
space or a #-type comment that was followed by (?-x), which turns off
PCRE_EXTENDED, and there was no subsequent (?x) to turn it on again,
pcre_compile() assumed that (?-x) applied to the whole pattern and
consequently mis-compiled it. This bug was found by the LLVM fuzzer.
8. A call of pcre_copy_named_substring() for a named substring whose number
was greater than the space in the ovector could cause a crash.
9. Yet another buffer overflow bug involved duplicate named groups with a
group that reset capture numbers (compare 8.38/7 below). Once again, I have
just allowed for more memory, even if not needed. (A proper fix is
implemented in PCRE2, but it involves a lot of refactoring.)
10. pcre_get_substring_list() crashed if the use of \K in a match caused the
start of the match to be earlier than the end.
11. Migrating appropriate PCRE2 JIT improvements to PCRE.
12. A pattern such as /(?<=((?C)0))/, which has a callout inside a lookbehind
assertion, caused pcretest to generate incorrect output, and also to read
uninitialized memory (detected by ASAN or valgrind).
13. A pattern that included (*ACCEPT) in the middle of a sufficiently deeply
nested set of parentheses of sufficient size caused an overflow of the
compiling workspace (which was diagnosed, but of course is not desirable).
14. And yet another buffer overflow bug involving duplicate named groups, this
time nested, with a nested back reference. Yet again, I have just allowed
for more memory, because anything more needs all the refactoring that has
been done for PCRE2. An example pattern that provoked this bug is:
/((?J)(?'R'(?'R'(?'R'(?'R'(?'R'(?|(\k'R'))))))))/ and the bug was
registered as CVE-2016-1283.
15. pcretest went into a loop if global matching was requested with an ovector
size less than 2. It now gives an error message. This bug was found by
afl-fuzz.
16. An invalid pattern fragment such as (?(?C)0 was not diagnosing an error
("assertion expected") when (?(?C) was not followed by an opening
parenthesis.
17. Fixed typo ("&&" for "&") in pcre_study(). Fortunately, this could not
actually affect anything, by sheer luck.
18. Applied Chris Wilson's patch (Bugzilla #1681) to CMakeLists.txt for MSVC
static compilation.
19. Modified the RunTest script to incorporate a valgrind suppressions file so
that certain errors, provoked by the SSE2 instruction set when JIT is used,
are ignored.
20. A racing condition is fixed in JIT reported by Mozilla.
21. Minor code refactor to avoid "array subscript is below array bounds"
compiler warning.
22. Minor code refactor to avoid "left shift of negative number" warning.
23. Fix typo causing compile error when 16- or 32-bit JIT is compiled without
UCP support.
24. Refactor to avoid compiler warnings in pcrecpp.cc.
25. Refactor to fix a typo in pcre_jit_test.c
26. Patch to support compiling pcrecpp.cc with Intel compiler.
Version 8.38 23-November-2015
-----------------------------
1. If a group that contained a recursive back reference also contained a
forward reference subroutine call followed by a non-forward-reference
subroutine call, for example /.((?2)(?R)\1)()/, pcre_compile() failed to
compile correct code, leading to undefined behaviour or an internally
detected error. This bug was discovered by the LLVM fuzzer.
2. Quantification of certain items (e.g. atomic back references) could cause
incorrect code to be compiled when recursive forward references were
involved. For example, in this pattern: /(?1)()((((((\1++))\x85)+)|))/.
This bug was discovered by the LLVM fuzzer.
3. A repeated conditional group whose condition was a reference by name caused
a buffer overflow if there was more than one group with the given name.
This bug was discovered by the LLVM fuzzer.
4. A recursive back reference by name within a group that had the same name as
another group caused a buffer overflow. For example:
/(?J)(?'d'(?'d'\g{d}))/. This bug was discovered by the LLVM fuzzer.
5. A forward reference by name to a group whose number is the same as the
current group, for example in this pattern: /(?|(\k'Pm')|(?'Pm'))/, caused
a buffer overflow at compile time. This bug was discovered by the LLVM
fuzzer.
6. A lookbehind assertion within a set of mutually recursive subpatterns could
provoke a buffer overflow. This bug was discovered by the LLVM fuzzer.
7. Another buffer overflow bug involved duplicate named groups with a
reference between their definition, with a group that reset capture
numbers, for example: /(?J:(?|(?'R')(\k'R')|((?'R'))))/. This has been
fixed by always allowing for more memory, even if not needed. (A proper fix
is implemented in PCRE2, but it involves more refactoring.)
8. There was no check for integer overflow in subroutine calls such as (?123).
9. The table entry for \l in EBCDIC environments was incorrect, leading to its
being treated as a literal 'l' instead of causing an error.
10. There was a buffer overflow if pcre_exec() was called with an ovector of
size 1. This bug was found by american fuzzy lop.
11. If a non-capturing group containing a conditional group that could match
an empty string was repeated, it was not identified as matching an empty
string itself. For example: /^(?:(?(1)x|)+)+$()/.
12. In an EBCDIC environment, pcretest was mishandling the escape sequences
\a and \e in test subject lines.
13. In an EBCDIC environment, \a in a pattern was converted to the ASCII
instead of the EBCDIC value.
14. The handling of \c in an EBCDIC environment has been revised so that it is
now compatible with the specification in Perl's perlebcdic page.
15. The EBCDIC character 0x41 is a non-breaking space, equivalent to 0xa0 in
ASCII/Unicode. This has now been added to the list of characters that are
recognized as white space in EBCDIC.
16. When PCRE was compiled without UCP support, the use of \p and \P gave an
error (correctly) when used outside a class, but did not give an error
within a class.
17. \h within a class was incorrectly compiled in EBCDIC environments.
18. A pattern with an unmatched closing parenthesis that contained a backward
assertion which itself contained a forward reference caused buffer
overflow. And example pattern is: /(?=di(?<=(?1))|(?=(.))))/.
19. JIT should return with error when the compiled pattern requires more stack
space than the maximum.
20. A possessively repeated conditional group that could match an empty string,
for example, /(?(R))*+/, was incorrectly compiled.
21. Fix infinite recursion in the JIT compiler when certain patterns such as
/(?:|a|){100}x/ are analysed.
22. Some patterns with character classes involving [: and \\ were incorrectly
compiled and could cause reading from uninitialized memory or an incorrect
error diagnosis.
23. Pathological patterns containing many nested occurrences of [: caused
pcre_compile() to run for a very long time.
24. A conditional group with only one branch has an implicit empty alternative
branch and must therefore be treated as potentially matching an empty
string.
25. If (?R was followed by - or + incorrect behaviour happened instead of a
diagnostic.
26. Arrange to give up on finding the minimum matching length for overly
complex patterns.
27. Similar to (4) above: in a pattern with duplicated named groups and an
occurrence of (?| it is possible for an apparently non-recursive back
reference to become recursive if a later named group with the relevant
number is encountered. This could lead to a buffer overflow. Wen Guanxing
from Venustech ADLAB discovered this bug.
28. If pcregrep was given the -q option with -c or -l, or when handling a
binary file, it incorrectly wrote output to stdout.
29. The JIT compiler did not restore the control verb head in case of *THEN
control verbs. This issue was found by Karl Skomski with a custom LLVM
fuzzer.
30. Error messages for syntax errors following \g and \k were giving inaccurate
offsets in the pattern.
31. Added a check for integer overflow in conditions (?(<digits>) and
(?(R<digits>). This omission was discovered by Karl Skomski with the LLVM
fuzzer.
32. Handling recursive references such as (?2) when the reference is to a group
later in the pattern uses code that is very hacked about and error-prone.
It has been re-written for PCRE2. Here in PCRE1, a check has been added to
give an internal error if it is obvious that compiling has gone wrong.
33. The JIT compiler should not check repeats after a {0,1} repeat byte code.
This issue was found by Karl Skomski with a custom LLVM fuzzer.
34. The JIT compiler should restore the control chain for empty possessive
repeats. This issue was found by Karl Skomski with a custom LLVM fuzzer.
35. Match limit check added to JIT recursion. This issue was found by Karl
Skomski with a custom LLVM fuzzer.
36. Yet another case similar to 27 above has been circumvented by an
unconditional allocation of extra memory. This issue is fixed "properly" in
PCRE2 by refactoring the way references are handled. Wen Guanxing
from Venustech ADLAB discovered this bug.
37. Fix two assertion fails in JIT. These issues were found by Karl Skomski
with a custom LLVM fuzzer.
38. Fixed a corner case of range optimization in JIT.
39. An incorrect error "overran compiling workspace" was given if there were
exactly enough group forward references such that the last one extended
into the workspace safety margin. The next one would have expanded the
workspace. The test for overflow was not including the safety margin.
40. A match limit issue is fixed in JIT which was found by Karl Skomski
with a custom LLVM fuzzer.
41. Remove the use of /dev/null in testdata/testinput2, because it doesn't
work under Windows. (Why has it taken so long for anyone to notice?)
42. In a character class such as [\W\p{Any}] where both a negative-type escape
("not a word character") and a property escape were present, the property
escape was being ignored.
43. Fix crash caused by very long (*MARK) or (*THEN) names.
44. A sequence such as [[:punct:]b] that is, a POSIX character class followed
by a single ASCII character in a class item, was incorrectly compiled in
UCP mode. The POSIX class got lost, but only if the single character
followed it.
45. [:punct:] in UCP mode was matching some characters in the range 128-255
that should not have been matched.
46. If [:^ascii:] or [:^xdigit:] or [:^cntrl:] are present in a non-negated
class, all characters with code points greater than 255 are in the class.
When a Unicode property was also in the class (if PCRE_UCP is set, escapes
such as \w are turned into Unicode properties), wide characters were not
correctly handled, and could fail to match.
Version 8.37 28-April-2015
--------------------------
1. When an (*ACCEPT) is triggered inside capturing parentheses, it arranges
for those parentheses to be closed with whatever has been captured so far.
However, it was failing to mark any other groups between the hightest
capture so far and the currrent group as "unset". Thus, the ovector for
those groups contained whatever was previously there. An example is the
pattern /(x)|((*ACCEPT))/ when matched against "abcd".
2. If an assertion condition was quantified with a minimum of zero (an odd
thing to do, but it happened), SIGSEGV or other misbehaviour could occur.
3. If a pattern in pcretest input had the P (POSIX) modifier followed by an
unrecognized modifier, a crash could occur.
4. An attempt to do global matching in pcretest with a zero-length ovector
caused a crash.
5. Fixed a memory leak during matching that could occur for a subpattern
subroutine call (recursive or otherwise) if the number of captured groups
that had to be saved was greater than ten.
6. Catch a bad opcode during auto-possessification after compiling a bad UTF
string with NO_UTF_CHECK. This is a tidyup, not a bug fix, as passing bad
UTF with NO_UTF_CHECK is documented as having an undefined outcome.
7. A UTF pattern containing a "not" match of a non-ASCII character and a
subroutine reference could loop at compile time. Example: /[^\xff]((?1))/.
8. When a pattern is compiled, it remembers the highest back reference so that
when matching, if the ovector is too small, extra memory can be obtained to
use instead. A conditional subpattern whose condition is a check on a
capture having happened, such as, for example in the pattern
/^(?:(a)|b)(?(1)A|B)/, is another kind of back reference, but it was not
setting the highest backreference number. This mattered only if pcre_exec()
was called with an ovector that was too small to hold the capture, and there
was no other kind of back reference (a situation which is probably quite
rare). The effect of the bug was that the condition was always treated as
FALSE when the capture could not be consulted, leading to a incorrect
behaviour by pcre_exec(). This bug has been fixed.
9. A reference to a duplicated named group (either a back reference or a test
for being set in a conditional) that occurred in a part of the pattern where
PCRE_DUPNAMES was not set caused the amount of memory needed for the pattern
to be incorrectly calculated, leading to overwriting.
10. A mutually recursive set of back references such as (\2)(\1) caused a
segfault at study time (while trying to find the minimum matching length).
The infinite loop is now broken (with the minimum length unset, that is,
zero).
11. If an assertion that was used as a condition was quantified with a minimum
of zero, matching went wrong. In particular, if the whole group had
unlimited repetition and could match an empty string, a segfault was
likely. The pattern (?(?=0)?)+ is an example that caused this. Perl allows
assertions to be quantified, but not if they are being used as conditions,
so the above pattern is faulted by Perl. PCRE has now been changed so that
it also rejects such patterns.
12. A possessive capturing group such as (a)*+ with a minimum repeat of zero
failed to allow the zero-repeat case if pcre2_exec() was called with an
ovector too small to capture the group.
13. Fixed two bugs in pcretest that were discovered by fuzzing and reported by
Red Hat Product Security:
(a) A crash if /K and /F were both set with the option to save the compiled
pattern.
(b) Another crash if the option to print captured substrings in a callout
was combined with setting a null ovector, for example \O\C+ as a subject
string.
14. A pattern such as "((?2){0,1999}())?", which has a group containing a
forward reference repeated a large (but limited) number of times within a
repeated outer group that has a zero minimum quantifier, caused incorrect
code to be compiled, leading to the error "internal error:
previously-checked referenced subpattern not found" when an incorrect
memory address was read. This bug was reported as "heap overflow",
discovered by Kai Lu of Fortinet's FortiGuard Labs and given the CVE number
CVE-2015-2325.
23. A pattern such as "((?+1)(\1))/" containing a forward reference subroutine
call within a group that also contained a recursive back reference caused
incorrect code to be compiled. This bug was reported as "heap overflow",
discovered by Kai Lu of Fortinet's FortiGuard Labs, and given the CVE
number CVE-2015-2326.
24. Computing the size of the JIT read-only data in advance has been a source
of various issues, and new ones are still appear unfortunately. To fix
existing and future issues, size computation is eliminated from the code,
and replaced by on-demand memory allocation.
25. A pattern such as /(?i)[A-`]/, where characters in the other case are
adjacent to the end of the range, and the range contained characters with
more than one other case, caused incorrect behaviour when compiled in UTF
mode. In that example, the range a-j was left out of the class.
26. Fix JIT compilation of conditional blocks, which assertion
is converted to (*FAIL). E.g: /(?(?!))/.
27. The pattern /(?(?!)^)/ caused references to random memory. This bug was
discovered by the LLVM fuzzer.
28. The assertion (?!) is optimized to (*FAIL). This was not handled correctly
when this assertion was used as a condition, for example (?(?!)a|b). In
pcre2_match() it worked by luck; in pcre2_dfa_match() it gave an incorrect
error about an unsupported item.
29. For some types of pattern, for example /Z*(|d*){216}/, the auto-
possessification code could take exponential time to complete. A recursion
depth limit of 1000 has been imposed to limit the resources used by this
optimization.
30. A pattern such as /(*UTF)[\S\V\H]/, which contains a negated special class
such as \S in non-UCP mode, explicit wide characters (> 255) can be ignored
because \S ensures they are all in the class. The code for doing this was
interacting badly with the code for computing the amount of space needed to
compile the pattern, leading to a buffer overflow. This bug was discovered
by the LLVM fuzzer.
31. A pattern such as /((?2)+)((?1))/ which has mutual recursion nested inside
other kinds of group caused stack overflow at compile time. This bug was
discovered by the LLVM fuzzer.
32. A pattern such as /(?1)(?#?'){8}(a)/ which had a parenthesized comment
between a subroutine call and its quantifier was incorrectly compiled,
leading to buffer overflow or other errors. This bug was discovered by the
LLVM fuzzer.
33. The illegal pattern /(?(?<E>.*!.*)?)/ was not being diagnosed as missing an
assertion after (?(. The code was failing to check the character after
(?(?< for the ! or = that would indicate a lookbehind assertion. This bug
was discovered by the LLVM fuzzer.
34. A pattern such as /X((?2)()*+){2}+/ which has a possessive quantifier with
a fixed maximum following a group that contains a subroutine reference was
incorrectly compiled and could trigger buffer overflow. This bug was
discovered by the LLVM fuzzer.
35. A mutual recursion within a lookbehind assertion such as (?<=((?2))((?1)))
caused a stack overflow instead of the diagnosis of a non-fixed length
lookbehind assertion. This bug was discovered by the LLVM fuzzer.
36. The use of \K in a positive lookbehind assertion in a non-anchored pattern
(e.g. /(?<=\Ka)/) could make pcregrep loop.
37. There was a similar problem to 36 in pcretest for global matches.
38. If a greedy quantified \X was preceded by \C in UTF mode (e.g. \C\X*),
and a subsequent item in the pattern caused a non-match, backtracking over
the repeated \X did not stop, but carried on past the start of the subject,
causing reference to random memory and/or a segfault. There were also some
other cases where backtracking after \C could crash. This set of bugs was
discovered by the LLVM fuzzer.
39. The function for finding the minimum length of a matching string could take
a very long time if mutual recursion was present many times in a pattern,
for example, /((?2){73}(?2))((?1))/. A better mutual recursion detection
method has been implemented. This infelicity was discovered by the LLVM
fuzzer.
40. Static linking against the PCRE library using the pkg-config module was
failing on missing pthread symbols.
Version 8.36 26-September-2014
------------------------------
1. Got rid of some compiler warnings in the C++ modules that were shown up by
-Wmissing-field-initializers and -Wunused-parameter.
2. The tests for quantifiers being too big (greater than 65535) were being
applied after reading the number, and stupidly assuming that integer
overflow would give a negative number. The tests are now applied as the
numbers are read.
3. Tidy code in pcre_exec.c where two branches that used to be different are
now the same.
4. The JIT compiler did not generate match limit checks for certain
bracketed expressions with quantifiers. This may lead to exponential
backtracking, instead of returning with PCRE_ERROR_MATCHLIMIT. This
issue should be resolved now.
5. Fixed an issue, which occures when nested alternatives are optimized
with table jumps.
6. Inserted two casts and changed some ints to size_t in the light of some
reported 64-bit compiler warnings (Bugzilla 1477).
7. Fixed a bug concerned with zero-minimum possessive groups that could match
an empty string, which sometimes were behaving incorrectly in the
interpreter (though correctly in the JIT matcher). This pcretest input is
an example:
'\A(?:[^"]++|"(?:[^"]*+|"")*+")++'
NON QUOTED "QUOT""ED" AFTER "NOT MATCHED
the interpreter was reporting a match of 'NON QUOTED ' only, whereas the
JIT matcher and Perl both matched 'NON QUOTED "QUOT""ED" AFTER '. The test
for an empty string was breaking the inner loop and carrying on at a lower
level, when possessive repeated groups should always return to a higher
level as they have no backtrack points in them. The empty string test now
occurs at the outer level.
8. Fixed a bug that was incorrectly auto-possessifying \w+ in the pattern
^\w+(?>\s*)(?<=\w) which caused it not to match "test test".
9. Give a compile-time error for \o{} (as Perl does) and for \x{} (which Perl
doesn't).
10. Change 8.34/15 introduced a bug that caused the amount of memory needed
to hold a pattern to be incorrectly computed (too small) when there were
named back references to duplicated names. This could cause "internal
error: code overflow" or "double free or corruption" or other memory
handling errors.
11. When named subpatterns had the same prefixes, back references could be
confused. For example, in this pattern:
/(?P<Name>a)?(?P<Name2>b)?(?(<Name>)c|d)*l/
the reference to 'Name' was incorrectly treated as a reference to a
duplicate name.
12. A pattern such as /^s?c/mi8 where the optional character has more than
one "other case" was incorrectly compiled such that it would only try to
match starting at "c".
13. When a pattern starting with \s was studied, VT was not included in the
list of possible starting characters; this should have been part of the
8.34/18 patch.
14. If a character class started [\Qx]... where x is any character, the class
was incorrectly terminated at the ].
15. If a pattern that started with a caseless match for a character with more
than one "other case" was studied, PCRE did not set up the starting code
unit bit map for the list of possible characters. Now it does. This is an
optimization improvement, not a bug fix.
16. The Unicode data tables have been updated to Unicode 7.0.0.
17. Fixed a number of memory leaks in pcregrep.
18. Avoid a compiler warning (from some compilers) for a function call with
a cast that removes "const" from an lvalue by using an intermediate
variable (to which the compiler does not object).
19. Incorrect code was compiled if a group that contained an internal recursive
back reference was optional (had quantifier with a minimum of zero). This
example compiled incorrect code: /(((a\2)|(a*)\g<-1>))*/ and other examples
caused segmentation faults because of stack overflows at compile time.
20. A pattern such as /((?(R)a|(?1)))+/, which contains a recursion within a
group that is quantified with an indefinite repeat, caused a compile-time
loop which used up all the system stack and provoked a segmentation fault.
This was not the same bug as 19 above.
21. Add PCRECPP_EXP_DECL declaration to operator<< in pcre_stringpiece.h.
Patch by Mike Frysinger.
Version 8.35 04-April-2014
--------------------------
1. A new flag is set, when property checks are present in an XCLASS.
When this flag is not set, PCRE can perform certain optimizations
such as studying these XCLASS-es.
2. The auto-possessification of character sets were improved: a normal
and an extended character set can be compared now. Furthermore
the JIT compiler optimizes more character set checks.
3. Got rid of some compiler warnings for potentially uninitialized variables
that show up only when compiled with -O2.
4. A pattern such as (?=ab\K) that uses \K in an assertion can set the start
of a match later then the end of the match. The pcretest program was not
handling the case sensibly - it was outputting from the start to the next
binary zero. It now reports this situation in a message, and outputs the
text from the end to the start.
5. Fast forward search is improved in JIT. Instead of the first three
characters, any three characters with fixed position can be searched.
Search order: first, last, middle.
6. Improve character range checks in JIT. Characters are read by an inprecise
function now, which returns with an unknown value if the character code is
above a certain threshold (e.g: 256). The only limitation is that the value
must be bigger than the threshold as well. This function is useful when
the characters above the threshold are handled in the same way.
7. The macros whose names start with RAWUCHAR are placeholders for a future
mode in which only the bottom 21 bits of 32-bit data items are used. To
make this more memorable for those maintaining the code, the names have
been changed to start with UCHAR21, and an extensive comment has been added
to their definition.
8. Add missing (new) files sljitNativeTILEGX.c and sljitNativeTILEGX-encoder.c
to the export list in Makefile.am (they were accidentally omitted from the
8.34 tarball).
9. The informational output from pcretest used the phrase "starting byte set"
which is inappropriate for the 16-bit and 32-bit libraries. As the output
for "first char" and "need char" really means "non-UTF-char", I've changed
"byte" to "char", and slightly reworded the output. The documentation about
these values has also been (I hope) clarified.
10. Another JIT related optimization: use table jumps for selecting the correct
backtracking path, when more than four alternatives are present inside a
bracket.
11. Empty match is not possible, when the minimum length is greater than zero,
and there is no \K in the pattern. JIT should avoid empty match checks in
such cases.
12. In a caseless character class with UCP support, when a character with more
than one alternative case was not the first character of a range, not all
the alternative cases were added to the class. For example, s and \x{17f}
are both alternative cases for S: the class [RST] was handled correctly,
but [R-T] was not.
13. The configure.ac file always checked for pthread support when JIT was
enabled. This is not used in Windows, so I have put this test inside a
check for the presence of windows.h (which was already tested for).
14. Improve pattern prefix search by a simplified Boyer-Moore algorithm in JIT.
The algorithm provides a way to skip certain starting offsets, and usually
faster than linear prefix searches.
15. Change 13 for 8.20 updated RunTest to check for the 'fr' locale as well
as for 'fr_FR' and 'french'. For some reason, however, it then used the
Windows-specific input and output files, which have 'french' screwed in.
So this could never have worked. One of the problems with locales is that
they aren't always the same. I have now updated RunTest so that it checks
the output of the locale test (test 3) against three different output
files, and it allows the test to pass if any one of them matches. With luck
this should make the test pass on some versions of Solaris where it was
failing. Because of the uncertainty, the script did not used to stop if
test 3 failed; it now does. If further versions of a French locale ever
come to light, they can now easily be added.
16. If --with-pcregrep-bufsize was given a non-integer value such as "50K",
there was a message during ./configure, but it did not stop. This now
provokes an error. The invalid example in README has been corrected.
If a value less than the minimum is given, the minimum value has always
been used, but now a warning is given.
17. If --enable-bsr-anycrlf was set, the special 16/32-bit test failed. This
was a bug in the test system, which is now fixed. Also, the list of various
configurations that are tested for each release did not have one with both
16/32 bits and --enable-bar-anycrlf. It now does.
18. pcretest was missing "-C bsr" for displaying the \R default setting.
19. Little endian PowerPC systems are supported now by the JIT compiler.
20. The fast forward newline mechanism could enter to an infinite loop on
certain invalid UTF-8 input. Although we don't support these cases
this issue can be fixed by a performance optimization.
21. Change 33 of 8.34 is not sufficient to ensure stack safety because it does
not take account if existing stack usage. There is now a new global
variable called pcre_stack_guard that can be set to point to an external
function to check stack availability. It is called at the start of
processing every parenthesized group.
22. A typo in the code meant that in ungreedy mode the max/min qualifier
behaved like a min-possessive qualifier, and, for example, /a{1,3}b/U did
not match "ab".
23. When UTF was disabled, the JIT program reported some incorrect compile
errors. These messages are silenced now.
24. Experimental support for ARM-64 and MIPS-64 has been added to the JIT
compiler.
25. Change all the temporary files used in RunGrepTest to be different to those
used by RunTest so that the tests can be run simultaneously, for example by
"make -j check".
Version 8.34 15-December-2013
-----------------------------
1. Add pcre[16|32]_jit_free_unused_memory to forcibly free unused JIT
executable memory. Patch inspired by Carsten Klein.
2. ./configure --enable-coverage defined SUPPORT_GCOV in config.h, although
this macro is never tested and has no effect, because the work to support
coverage involves only compiling and linking options and special targets in
the Makefile. The comment in config.h implied that defining the macro would
enable coverage support, which is totally false. There was also support for
setting this macro in the CMake files (my fault, I just copied it from
configure). SUPPORT_GCOV has now been removed.
3. Make a small performance improvement in strlen16() and strlen32() in
pcretest.
4. Change 36 for 8.33 left some unreachable statements in pcre_exec.c,
detected by the Solaris compiler (gcc doesn't seem to be able to diagnose
these cases). There was also one in pcretest.c.
5. Cleaned up a "may be uninitialized" compiler warning in pcre_exec.c.
6. In UTF mode, the code for checking whether a group could match an empty
string (which is used for indefinitely repeated groups to allow for
breaking an infinite loop) was broken when the group contained a repeated
negated single-character class with a character that occupied more than one
data item and had a minimum repetition of zero (for example, [^\x{100}]* in
UTF-8 mode). The effect was undefined: the group might or might not be
deemed as matching an empty string, or the program might have crashed.
7. The code for checking whether a group could match an empty string was not
recognizing that \h, \H, \v, \V, and \R must match a character.
8. Implemented PCRE_INFO_MATCH_EMPTY, which yields 1 if the pattern can match
an empty string. If it can, pcretest shows this in its information output.
9. Fixed two related bugs that applied to Unicode extended grapheme clusters
that were repeated with a maximizing qualifier (e.g. \X* or \X{2,5}) when
matched by pcre_exec() without using JIT:
(a) If the rest of the pattern did not match after a maximal run of
grapheme clusters, the code for backing up to try with fewer of them
did not always back up over a full grapheme when characters that do not
have the modifier quality were involved, e.g. Hangul syllables.
(b) If the match point in a subject started with modifier character, and
there was no match, the code could incorrectly back up beyond the match
point, and potentially beyond the first character in the subject,
leading to a segfault or an incorrect match result.
10. A conditional group with an assertion condition could lead to PCRE
recording an incorrect first data item for a match if no other first data
item was recorded. For example, the pattern (?(?=ab)ab) recorded "a" as a
first data item, and therefore matched "ca" after "c" instead of at the
start.
11. Change 40 for 8.33 (allowing pcregrep to find empty strings) showed up a
bug that caused the command "echo a | ./pcregrep -M '|a'" to loop.
12. The source of pcregrep now includes z/OS-specific code so that it can be
compiled for z/OS as part of the special z/OS distribution.
13. Added the -T and -TM options to pcretest.
14. The code in pcre_compile.c for creating the table of named capturing groups
has been refactored. Instead of creating the table dynamically during the
actual compiling pass, the information is remembered during the pre-compile
pass (on the stack unless there are more than 20 named groups, in which
case malloc() is used) and the whole table is created before the actual
compile happens. This has simplified the code (it is now nearly 150 lines
shorter) and prepared the way for better handling of references to groups
with duplicate names.
15. A back reference to a named subpattern when there is more than one of the
same name now checks them in the order in which they appear in the pattern.
The first one that is set is used for the reference. Previously only the
first one was inspected. This change makes PCRE more compatible with Perl.
16. Unicode character properties were updated from Unicode 6.3.0.
17. The compile-time code for auto-possessification has been refactored, based
on a patch by Zoltan Herczeg. It now happens after instead of during
compilation. The code is cleaner, and more cases are handled. The option
PCRE_NO_AUTO_POSSESS is added for testing purposes, and the -O and /O
options in pcretest are provided to set it. It can also be set by
(*NO_AUTO_POSSESS) at the start of a pattern.
18. The character VT has been added to the default ("C" locale) set of
characters that match \s and are generally treated as white space,
following this same change in Perl 5.18. There is now no difference between
"Perl space" and "POSIX space". Whether VT is treated as white space in
other locales depends on the locale.
19. The code for checking named groups as conditions, either for being set or
for being recursed, has been refactored (this is related to 14 and 15
above). Processing unduplicated named groups should now be as fast at
numerical groups, and processing duplicated groups should be faster than
before.
20. Two patches to the CMake build system, by Alexander Barkov:
(1) Replace the "source" command by "." in CMakeLists.txt because
"source" is a bash-ism.
(2) Add missing HAVE_STDINT_H and HAVE_INTTYPES_H to config-cmake.h.in;
without these the CMake build does not work on Solaris.
21. Perl has changed its handling of \8 and \9. If there is no previously
encountered capturing group of those numbers, they are treated as the
literal characters 8 and 9 instead of a binary zero followed by the
literals. PCRE now does the same.
22. Following Perl, added \o{} to specify codepoints in octal, making it
possible to specify values greater than 0777 and also making them
unambiguous.
23. Perl now gives an error for missing closing braces after \x{... instead of
treating the string as literal. PCRE now does the same.
24. RunTest used to grumble if an inappropriate test was selected explicitly,
but just skip it when running all tests. This make it awkward to run ranges
of tests when one of them was inappropriate. Now it just skips any
inappropriate tests, as it always did when running all tests.
25. If PCRE_AUTO_CALLOUT and PCRE_UCP were set for a pattern that contained
character types such as \d or \w, too many callouts were inserted, and the
data that they returned was rubbish.
26. In UCP mode, \s was not matching two of the characters that Perl matches,
namely NEL (U+0085) and MONGOLIAN VOWEL SEPARATOR (U+180E), though they
were matched by \h. The code has now been refactored so that the lists of
the horizontal and vertical whitespace characters used for \h and \v (which
are defined only in one place) are now also used for \s.
27. Add JIT support for the 64 bit TileGX architecture.
Patch by Jiong Wang (Tilera Corporation).
28. Possessive quantifiers for classes (both explicit and automatically
generated) now use special opcodes instead of wrapping in ONCE brackets.
29. Whereas an item such as A{4}+ ignored the possessivenes of the quantifier
(because it's meaningless), this was not happening when PCRE_CASELESS was
set. Not wrong, but inefficient.
30. Updated perltest.pl to add /u (force Unicode mode) when /W (use Unicode
properties for \w, \d, etc) is present in a test regex. Otherwise if the
test contains no characters greater than 255, Perl doesn't realise it
should be using Unicode semantics.
31. Upgraded the handling of the POSIX classes [:graph:], [:print:], and
[:punct:] when PCRE_UCP is set so as to include the same characters as Perl
does in Unicode mode.
32. Added the "forbid" facility to pcretest so that putting tests into the
wrong test files can sometimes be quickly detected.
33. There is now a limit (default 250) on the depth of nesting of parentheses.
This limit is imposed to control the amount of system stack used at compile
time. It can be changed at build time by --with-parens-nest-limit=xxx or
the equivalent in CMake.
34. Character classes such as [A-\d] or [a-[:digit:]] now cause compile-time
errors. Perl warns for these when in warning mode, but PCRE has no facility
for giving warnings.
35. Change 34 for 8.13 allowed quantifiers on assertions, because Perl does.
However, this was not working for (?!) because it is optimized to (*FAIL),
for which PCRE does not allow quantifiers. The optimization is now disabled
when a quantifier follows (?!). I can't see any use for this, but it makes
things uniform.
36. Perl no longer allows group names to start with digits, so I have made this
change also in PCRE. It simplifies the code a bit.
37. In extended mode, Perl ignores spaces before a + that indicates a
possessive quantifier. PCRE allowed a space before the quantifier, but not
before the possessive +. It now does.
38. The use of \K (reset reported match start) within a repeated possessive
group such as (a\Kb)*+ was not working.
40. Document that the same character tables must be used at compile time and
run time, and that the facility to pass tables to pcre_exec() and
pcre_dfa_exec() is for use only with saved/restored patterns.
41. Applied Jeff Trawick's patch CMakeLists.txt, which "provides two new
features for Builds with MSVC:
1. Support pcre.rc and/or pcreposix.rc (as is already done for MinGW
builds). The .rc files can be used to set FileDescription and many other
attributes.
2. Add an option (-DINSTALL_MSVC_PDB) to enable installation of .pdb files.
This allows higher-level build scripts which want .pdb files to avoid
hard-coding the exact files needed."
42. Added support for [[:<:]] and [[:>:]] as used in the BSD POSIX library to
mean "start of word" and "end of word", respectively, as a transition aid.
43. A minimizing repeat of a class containing codepoints greater than 255 in
non-UTF 16-bit or 32-bit modes caused an internal error when PCRE was
compiled to use the heap for recursion.
44. Got rid of some compiler warnings for unused variables when UTF but not UCP
is configured.
Version 8.33 28-May-2013
------------------------
1. Added 'U' to some constants that are compared to unsigned integers, to
avoid compiler signed/unsigned warnings. Added (int) casts to unsigned
variables that are added to signed variables, to ensure the result is
signed and can be negated.
2. Applied patch by Daniel Richard G for quashing MSVC warnings to the
CMake config files.
3. Revise the creation of config.h.generic so that all boolean macros are
#undefined, whereas non-boolean macros are #ifndef/#endif-ed. This makes
overriding via -D on the command line possible.
4. Changing the definition of the variable "op" in pcre_exec.c from pcre_uchar
to unsigned int is reported to make a quite noticeable speed difference in
a specific Windows environment. Testing on Linux did also appear to show
some benefit (and it is clearly not harmful). Also fixed the definition of
Xop which should be unsigned.
5. Related to (4), changing the definition of the intermediate variable cc
in repeated character loops from pcre_uchar to pcre_uint32 also gave speed
improvements.
6. Fix forward search in JIT when link size is 3 or greater. Also removed some
unnecessary spaces.
7. Adjust autogen.sh and configure.ac to lose warnings given by automake 1.12
and later.
8. Fix two buffer over read issues in 16 and 32 bit modes. Affects JIT only.
9. Optimizing fast_forward_start_bits in JIT.
10. Adding support for callouts in JIT, and fixing some issues revealed
during this work. Namely:
(a) Unoptimized capturing brackets incorrectly reset on backtrack.
(b) Minimum length was not checked before the matching is started.
11. The value of capture_last that is passed to callouts was incorrect in some
cases when there was a capture on one path that was subsequently abandoned
after a backtrack. Also, the capture_last value is now reset after a
recursion, since all captures are also reset in this case.
12. The interpreter no longer returns the "too many substrings" error in the
case when an overflowing capture is in a branch that is subsequently
abandoned after a backtrack.
13. In the pathological case when an offset vector of size 2 is used, pcretest
now prints out the matched string after a yield of 0 or 1.
14. Inlining subpatterns in recursions, when certain conditions are fulfilled.
Only supported by the JIT compiler at the moment.
15. JIT compiler now supports 32 bit Macs thanks to Lawrence Velazquez.
16. Partial matches now set offsets[2] to the "bumpalong" value, that is, the
offset of the starting point of the matching process, provided the offsets
vector is large enough.
17. The \A escape now records a lookbehind value of 1, though its execution
does not actually inspect the previous character. This is to ensure that,
in partial multi-segment matching, at least one character from the old
segment is retained when a new segment is processed. Otherwise, if there
are no lookbehinds in the pattern, \A might match incorrectly at the start
of a new segment.
18. Added some #ifdef __VMS code into pcretest.c to help VMS implementations.
19. Redefined some pcre_uchar variables in pcre_exec.c as pcre_uint32; this
gives some modest performance improvement in 8-bit mode.
20. Added the PCRE-specific property \p{Xuc} for matching characters that can
be expressed in certain programming languages using Universal Character
Names.
21. Unicode validation has been updated in the light of Unicode Corrigendum #9,
which points out that "non characters" are not "characters that may not
appear in Unicode strings" but rather "characters that are reserved for
internal use and have only local meaning".
22. When a pattern was compiled with automatic callouts (PCRE_AUTO_CALLOUT) and
there was a conditional group that depended on an assertion, if the
assertion was false, the callout that immediately followed the alternation
in the condition was skipped when pcre_exec() was used for matching.
23. Allow an explicit callout to be inserted before an assertion that is the
condition for a conditional group, for compatibility with automatic
callouts, which always insert a callout at this point.
24. In 8.31, (*COMMIT) was confined to within a recursive subpattern. Perl also
confines (*SKIP) and (*PRUNE) in the same way, and this has now been done.
25. (*PRUNE) is now supported by the JIT compiler.
26. Fix infinite loop when /(?<=(*SKIP)ac)a/ is matched against aa.
27. Fix the case where there are two or more SKIPs with arguments that may be
ignored.
28. (*SKIP) is now supported by the JIT compiler.
29. (*THEN) is now supported by the JIT compiler.
30. Update RunTest with additional test selector options.
31. The way PCRE handles backtracking verbs has been changed in two ways.
(1) Previously, in something like (*COMMIT)(*SKIP), COMMIT would override
SKIP. Now, PCRE acts on whichever backtracking verb is reached first by
backtracking. In some cases this makes it more Perl-compatible, but Perl's
rather obscure rules do not always do the same thing.
(2) Previously, backtracking verbs were confined within assertions. This is
no longer the case for positive assertions, except for (*ACCEPT). Again,
this sometimes improves Perl compatibility, and sometimes does not.
32. A number of tests that were in test 2 because Perl did things differently
have been moved to test 1, because either Perl or PCRE has changed, and
these tests are now compatible.
32. Backtracking control verbs are now handled in the same way in JIT and
interpreter.
33. An opening parenthesis in a MARK/PRUNE/SKIP/THEN name in a pattern that
contained a forward subroutine reference caused a compile error.
34. Auto-detect and optimize limited repetitions in JIT.
35. Implement PCRE_NEVER_UTF to lock out the use of UTF, in particular,
blocking (*UTF) etc.
36. In the interpreter, maximizing pattern repetitions for characters and
character types now use tail recursion, which reduces stack usage.
37. The value of the max lookbehind was not correctly preserved if a compiled
and saved regex was reloaded on a host of different endianness.
38. Implemented (*LIMIT_MATCH) and (*LIMIT_RECURSION). As part of the extension
of the compiled pattern block, expand the flags field from 16 to 32 bits
because it was almost full.
39. Try madvise first before posix_madvise.
40. Change 7 for PCRE 7.9 made it impossible for pcregrep to find empty lines
with a pattern such as ^$. It has taken 4 years for anybody to notice! The
original change locked out all matches of empty strings. This has been
changed so that one match of an empty string per line is recognized.
Subsequent searches on the same line (for colouring or for --only-matching,
for example) do not recognize empty strings.
41. Applied a user patch to fix a number of spelling mistakes in comments.
42. Data lines longer than 65536 caused pcretest to crash.
43. Clarified the data type for length and startoffset arguments for pcre_exec
and pcre_dfa_exec in the function-specific man pages, where they were
explicitly stated to be in bytes, never having been updated. I also added
some clarification to the pcreapi man page.
44. A call to pcre_dfa_exec() with an output vector size less than 2 caused
a segmentation fault.
Version 8.32 30-November-2012
-----------------------------
1. Improved JIT compiler optimizations for first character search and single
character iterators.
2. Supporting IBM XL C compilers for PPC architectures in the JIT compiler.
Patch by Daniel Richard G.
3. Single character iterator optimizations in the JIT compiler.
4. Improved JIT compiler optimizations for character ranges.
5. Rename the "leave" variable names to "quit" to improve WinCE compatibility.
Reported by Giuseppe D'Angelo.
6. The PCRE_STARTLINE bit, indicating that a match can occur only at the start
of a line, was being set incorrectly in cases where .* appeared inside
atomic brackets at the start of a pattern, or where there was a subsequent
*PRUNE or *SKIP.
7. Improved instruction cache flush for POWER/PowerPC.
Patch by Daniel Richard G.
8. Fixed a number of issues in pcregrep, making it more compatible with GNU
grep:
(a) There is now no limit to the number of patterns to be matched.
(b) An error is given if a pattern is too long.
(c) Multiple uses of --exclude, --exclude-dir, --include, and --include-dir
are now supported.
(d) --exclude-from and --include-from (multiple use) have been added.
(e) Exclusions and inclusions now apply to all files and directories, not
just to those obtained from scanning a directory recursively.
(f) Multiple uses of -f and --file-list are now supported.
(g) In a Windows environment, the default for -d has been changed from
"read" (the GNU grep default) to "skip", because otherwise the presence
of a directory in the file list provokes an error.
(h) The documentation has been revised and clarified in places.
9. Improve the matching speed of capturing brackets.
10. Changed the meaning of \X so that it now matches a Unicode extended
grapheme cluster.
11. Patch by Daniel Richard G to the autoconf files to add a macro for sorting
out POSIX threads when JIT support is configured.
12. Added support for PCRE_STUDY_EXTRA_NEEDED.
13. In the POSIX wrapper regcomp() function, setting re_nsub field in the preg
structure could go wrong in environments where size_t is not the same size
as int.
14. Applied user-supplied patch to pcrecpp.cc to allow PCRE_NO_UTF8_CHECK to be
set.
15. The EBCDIC support had decayed; later updates to the code had included
explicit references to (e.g.) \x0a instead of CHAR_LF. There has been a
general tidy up of EBCDIC-related issues, and the documentation was also
not quite right. There is now a test that can be run on ASCII systems to
check some of the EBCDIC-related things (but is it not a full test).
16. The new PCRE_STUDY_EXTRA_NEEDED option is now used by pcregrep, resulting
in a small tidy to the code.
17. Fix JIT tests when UTF is disabled and both 8 and 16 bit mode are enabled.
18. If the --only-matching (-o) option in pcregrep is specified multiple
times, each one causes appropriate output. For example, -o1 -o2 outputs the
substrings matched by the 1st and 2nd capturing parentheses. A separating
string can be specified by --om-separator (default empty).
19. Improving the first n character searches.
20. Turn case lists for horizontal and vertical white space into macros so that
they are defined only once.
21. This set of changes together give more compatible Unicode case-folding
behaviour for characters that have more than one other case when UCP
support is available.
(a) The Unicode property table now has offsets into a new table of sets of
three or more characters that are case-equivalent. The MultiStage2.py
script that generates these tables (the pcre_ucd.c file) now scans
CaseFolding.txt instead of UnicodeData.txt for character case
information.
(b) The code for adding characters or ranges of characters to a character
class has been abstracted into a generalized function that also handles
case-independence. In UTF-mode with UCP support, this uses the new data
to handle characters with more than one other case.
(c) A bug that is fixed as a result of (b) is that codepoints less than 256
whose other case is greater than 256 are now correctly matched
caselessly. Previously, the high codepoint matched the low one, but not
vice versa.
(d) The processing of \h, \H, \v, and \ in character classes now makes use
of the new class addition function, using character lists defined as
macros alongside the case definitions of 20 above.
(e) Caseless back references now work with characters that have more than
one other case.
(f) General caseless matching of characters with more than one other case
is supported.
22. Unicode character properties were updated from Unicode 6.2.0
23. Improved CMake support under Windows. Patch by Daniel Richard G.
24. Add support for 32-bit character strings, and UTF-32
25. Major JIT compiler update (code refactoring and bugfixing).
Experimental Sparc 32 support is added.
26. Applied a modified version of Daniel Richard G's patch to create
pcre.h.generic and config.h.generic by "make" instead of in the
PrepareRelease script.
27. Added a definition for CHAR_NULL (helpful for the z/OS port), and use it in
pcre_compile.c when checking for a zero character.
28. Introducing a native interface for JIT. Through this interface, the compiled
machine code can be directly executed. The purpose of this interface is to
provide fast pattern matching, so several sanity checks are not performed.
However, feature tests are still performed. The new interface provides
1.4x speedup compared to the old one.
29. If pcre_exec() or pcre_dfa_exec() was called with a negative value for
the subject string length, the error given was PCRE_ERROR_BADOFFSET, which
was confusing. There is now a new error PCRE_ERROR_BADLENGTH for this case.
30. In 8-bit UTF-8 mode, pcretest failed to give an error for data codepoints
greater than 0x7fffffff (which cannot be represented in UTF-8, even under
the "old" RFC 2279). Instead, it ended up passing a negative length to
pcre_exec().
31. Add support for GCC's visibility feature to hide internal functions.
32. Running "pcretest -C pcre8" or "pcretest -C pcre16" gave a spurious error
"unknown -C option" after outputting 0 or 1.
33. There is now support for generating a code coverage report for the test
suite in environments where gcc is the compiler and lcov is installed. This
is mainly for the benefit of the developers.
34. If PCRE is built with --enable-valgrind, certain memory regions are marked
unaddressable using valgrind annotations, allowing valgrind to detect
invalid memory accesses. This is mainly for the benefit of the developers.
25. (*UTF) can now be used to start a pattern in any of the three libraries.
26. Give configure error if --enable-cpp but no C++ compiler found.
Version 8.31 06-July-2012
-------------------------
1. Fixing a wrong JIT test case and some compiler warnings.
2. Removed a bashism from the RunTest script.
3. Add a cast to pcre_exec.c to fix the warning "unary minus operator applied
to unsigned type, result still unsigned" that was given by an MS compiler
on encountering the code "-sizeof(xxx)".
4. Partial matching support is added to the JIT compiler.
5. Fixed several bugs concerned with partial matching of items that consist
of more than one character:
(a) /^(..)\1/ did not partially match "aba" because checking references was
done on an "all or nothing" basis. This also applied to repeated
references.
(b) \R did not give a hard partial match if \r was found at the end of the
subject.
(c) \X did not give a hard partial match after matching one or more
characters at the end of the subject.
(d) When newline was set to CRLF, a pattern such as /a$/ did not recognize
a partial match for the string "\r".
(e) When newline was set to CRLF, the metacharacter "." did not recognize
a partial match for a CR character at the end of the subject string.
6. If JIT is requested using /S++ or -s++ (instead of just /S+ or -s+) when
running pcretest, the text "(JIT)" added to the output whenever JIT is
actually used to run the match.
7. Individual JIT compile options can be set in pcretest by following -s+[+]
or /S+[+] with a digit between 1 and 7.
8. OP_NOT now supports any UTF character not just single-byte ones.
9. (*MARK) control verb is now supported by the JIT compiler.
10. The command "./RunTest list" lists the available tests without actually
running any of them. (Because I keep forgetting what they all are.)
11. Add PCRE_INFO_MAXLOOKBEHIND.
12. Applied a (slightly modified) user-supplied patch that improves performance
when the heap is used for recursion (compiled with --disable-stack-for-
recursion). Instead of malloc and free for each heap frame each time a
logical recursion happens, frames are retained on a chain and re-used where
possible. This sometimes gives as much as 30% improvement.
13. As documented, (*COMMIT) is now confined to within a recursive subpattern
call.
14. As documented, (*COMMIT) is now confined to within a positive assertion.
15. It is now possible to link pcretest with libedit as an alternative to
libreadline.
16. (*COMMIT) control verb is now supported by the JIT compiler.
17. The Unicode data tables have been updated to Unicode 6.1.0.
18. Added --file-list option to pcregrep.
19. Added binary file support to pcregrep, including the -a, --binary-files,
-I, and --text options.
20. The madvise function is renamed for posix_madvise for QNX compatibility
reasons. Fixed by Giuseppe D'Angelo.
21. Fixed a bug for backward assertions with REVERSE 0 in the JIT compiler.
22. Changed the option for creating symbolic links for 16-bit man pages from
-s to -sf so that re-installing does not cause issues.
23. Support PCRE_NO_START_OPTIMIZE in JIT as (*MARK) support requires it.
24. Fixed a very old bug in pcretest that caused errors with restarted DFA
matches in certain environments (the workspace was not being correctly
retained). Also added to pcre_dfa_exec() a simple plausibility check on
some of the workspace data at the beginning of a restart.
25. \s*\R was auto-possessifying the \s* when it should not, whereas \S*\R
was not doing so when it should - probably a typo introduced by SVN 528
(change 8.10/14).
26. When PCRE_UCP was not set, \w+\x{c4} was incorrectly auto-possessifying the
\w+ when the character tables indicated that \x{c4} was a word character.
There were several related cases, all because the tests for doing a table
lookup were testing for characters less than 127 instead of 255.
27. If a pattern contains capturing parentheses that are not used in a match,
their slots in the ovector are set to -1. For those that are higher than
any matched groups, this happens at the end of processing. In the case when
there were back references that the ovector was too small to contain
(causing temporary malloc'd memory to be used during matching), and the
highest capturing number was not used, memory off the end of the ovector
was incorrectly being set to -1. (It was using the size of the temporary
memory instead of the true size.)
28. To catch bugs like 27 using valgrind, when pcretest is asked to specify an
ovector size, it uses memory at the end of the block that it has got.
29. Check for an overlong MARK name and give an error at compile time. The
limit is 255 for the 8-bit library and 65535 for the 16-bit library.
30. JIT compiler update.
31. JIT is now supported on jailbroken iOS devices. Thanks for Ruiger
Rill for the patch.
32. Put spaces around SLJIT_PRINT_D in the JIT compiler. Required by CXX11.
33. Variable renamings in the PCRE-JIT compiler. No functionality change.
34. Fixed typos in pcregrep: in two places there was SUPPORT_LIBZ2 instead of
SUPPORT_LIBBZ2. This caused a build problem when bzip2 but not gzip (zlib)
was enabled.
35. Improve JIT code generation for greedy plus quantifier.
36. When /((?:a?)*)*c/ or /((?>a?)*)*c/ was matched against "aac", it set group
1 to "aa" instead of to an empty string. The bug affected repeated groups
that could potentially match an empty string.
37. Optimizing single character iterators in JIT.
38. Wide characters specified with \uxxxx in JavaScript mode are now subject to
the same checks as \x{...} characters in non-JavaScript mode. Specifically,
codepoints that are too big for the mode are faulted, and in a UTF mode,
disallowed codepoints are also faulted.
39. If PCRE was compiled with UTF support, in three places in the DFA
matcher there was code that should only have been obeyed in UTF mode, but
was being obeyed unconditionally. In 8-bit mode this could cause incorrect
processing when bytes with values greater than 127 were present. In 16-bit
mode the bug would be provoked by values in the range 0xfc00 to 0xdc00. In
both cases the values are those that cannot be the first data item in a UTF
character. The three items that might have provoked this were recursions,
possessively repeated groups, and atomic groups.
40. Ensure that libpcre is explicitly listed in the link commands for pcretest
and pcregrep, because some OS require shared objects to be explicitly
passed to ld, causing the link step to fail if they are not.
41. There were two incorrect #ifdefs in pcre_study.c, meaning that, in 16-bit
mode, patterns that started with \h* or \R* might be incorrectly matched.
Version 8.30 04-February-2012
-----------------------------
1. Renamed "isnumber" as "is_a_number" because in some Mac environments this
name is defined in ctype.h.
2. Fixed a bug in fixed-length calculation for lookbehinds that would show up
only in quite long subpatterns.
3. Removed the function pcre_info(), which has been obsolete and deprecated
since it was replaced by pcre_fullinfo() in February 2000.
4. For a non-anchored pattern, if (*SKIP) was given with a name that did not
match a (*MARK), and the match failed at the start of the subject, a
reference to memory before the start of the subject could occur. This bug
was introduced by fix 17 of release 8.21.
5. A reference to an unset group with zero minimum repetition was giving
totally wrong answers (in non-JavaScript-compatibility mode). For example,
/(another)?(\1?)test/ matched against "hello world test". This bug was
introduced in release 8.13.
6. Add support for 16-bit character strings (a large amount of work involving
many changes and refactorings).
7. RunGrepTest failed on msys because \r\n was replaced by whitespace when the
command "pattern=`printf 'xxx\r\njkl'`" was run. The pattern is now taken
from a file.
8. Ovector size of 2 is also supported by JIT based pcre_exec (the ovector size
rounding is not applied in this particular case).
9. The invalid Unicode surrogate codepoints U+D800 to U+DFFF are now rejected
if they appear, or are escaped, in patterns.
10. Get rid of a number of -Wunused-but-set-variable warnings.
11. The pattern /(?=(*:x))(q|)/ matches an empty string, and returns the mark
"x". The similar pattern /(?=(*:x))((*:y)q|)/ did not return a mark at all.
Oddly, Perl behaves the same way. PCRE has been fixed so that this pattern
also returns the mark "x". This bug applied to capturing parentheses,
non-capturing parentheses, and atomic parentheses. It also applied to some
assertions.
12. Stephen Kelly's patch to CMakeLists.txt allows it to parse the version
information out of configure.ac instead of relying on pcre.h.generic, which
is not stored in the repository.
13. Applied Dmitry V. Levin's patch for a more portable method for linking with
-lreadline.
14. ZH added PCRE_CONFIG_JITTARGET; added its output to pcretest -C.
15. Applied Graycode's patch to put the top-level frame on the stack rather
than the heap when not using the stack for recursion. This gives a
performance improvement in many cases when recursion is not deep.
16. Experimental code added to "pcretest -C" to output the stack frame size.
Version 8.21 12-Dec-2011
------------------------
1. Updating the JIT compiler.
2. JIT compiler now supports OP_NCREF, OP_RREF and OP_NRREF. New test cases
are added as well.
3. Fix cache-flush issue on PowerPC (It is still an experimental JIT port).
PCRE_EXTRA_TABLES is not suported by JIT, and should be checked before
calling _pcre_jit_exec. Some extra comments are added.
4. (*MARK) settings inside atomic groups that do not contain any capturing
parentheses, for example, (?>a(*:m)), were not being passed out. This bug
was introduced by change 18 for 8.20.
5. Supporting of \x, \U and \u in JavaScript compatibility mode based on the
ECMA-262 standard.
6. Lookbehinds such as (?<=a{2}b) that contained a fixed repetition were
erroneously being rejected as "not fixed length" if PCRE_CASELESS was set.
This bug was probably introduced by change 9 of 8.13.
7. While fixing 6 above, I noticed that a number of other items were being
incorrectly rejected as "not fixed length". This arose partly because newer
opcodes had not been added to the fixed-length checking code. I have (a)
corrected the bug and added tests for these items, and (b) arranged for an
error to occur if an unknown opcode is encountered while checking for fixed
length instead of just assuming "not fixed length". The items that were
rejected were: (*ACCEPT), (*COMMIT), (*FAIL), (*MARK), (*PRUNE), (*SKIP),
(*THEN), \h, \H, \v, \V, and single character negative classes with fixed
repetitions, e.g. [^a]{3}, with and without PCRE_CASELESS.
8. A possessively repeated conditional subpattern such as (?(?=c)c|d)++ was
being incorrectly compiled and would have given unpredicatble results.
9. A possessively repeated subpattern with minimum repeat count greater than
one behaved incorrectly. For example, (A){2,}+ behaved as if it was
(A)(A)++ which meant that, after a subsequent mismatch, backtracking into
the first (A) could occur when it should not.
10. Add a cast and remove a redundant test from the code.
11. JIT should use pcre_malloc/pcre_free for allocation.
12. Updated pcre-config so that it no longer shows -L/usr/lib, which seems
best practice nowadays, and helps with cross-compiling. (If the exec_prefix
is anything other than /usr, -L is still shown).
13. In non-UTF-8 mode, \C is now supported in lookbehinds and DFA matching.
14. Perl does not support \N without a following name in a [] class; PCRE now
also gives an error.
15. If a forward reference was repeated with an upper limit of around 2000,
it caused the error "internal error: overran compiling workspace". The
maximum number of forward references (including repeats) was limited by the
internal workspace, and dependent on the LINK_SIZE. The code has been
rewritten so that the workspace expands (via pcre_malloc) if necessary, and
the default depends on LINK_SIZE. There is a new upper limit (for safety)
of around 200,000 forward references. While doing this, I also speeded up
the filling in of repeated forward references.
16. A repeated forward reference in a pattern such as (a)(?2){2}(.) was
incorrectly expecting the subject to contain another "a" after the start.
17. When (*SKIP:name) is activated without a corresponding (*MARK:name) earlier
in the match, the SKIP should be ignored. This was not happening; instead
the SKIP was being treated as NOMATCH. For patterns such as
/A(*MARK:A)A+(*SKIP:B)Z|AAC/ this meant that the AAC branch was never
tested.
18. The behaviour of (*MARK), (*PRUNE), and (*THEN) has been reworked and is
now much more compatible with Perl, in particular in cases where the result
is a non-match for a non-anchored pattern. For example, if
/b(*:m)f|a(*:n)w/ is matched against "abc", the non-match returns the name
"m", where previously it did not return a name. A side effect of this
change is that for partial matches, the last encountered mark name is
returned, as for non matches. A number of tests that were previously not
Perl-compatible have been moved into the Perl-compatible test files. The
refactoring has had the pleasing side effect of removing one argument from
the match() function, thus reducing its stack requirements.
19. If the /S+ option was used in pcretest to study a pattern using JIT,
subsequent uses of /S (without +) incorrectly behaved like /S+.
21. Retrieve executable code size support for the JIT compiler and fixing
some warnings.
22. A caseless match of a UTF-8 character whose other case uses fewer bytes did
not work when the shorter character appeared right at the end of the
subject string.
23. Added some (int) casts to non-JIT modules to reduce warnings on 64-bit
systems.
24. Added PCRE_INFO_JITSIZE to pass on the value from (21) above, and also
output it when the /M option is used in pcretest.
25. The CheckMan script was not being included in the distribution. Also, added
an explicit "perl" to run Perl scripts from the PrepareRelease script
because this is reportedly needed in Windows.
26. If study data was being save in a file and studying had not found a set of
"starts with" bytes for the pattern, the data written to the file (though
never used) was taken from uninitialized memory and so caused valgrind to
complain.
27. Updated RunTest.bat as provided by Sheri Pierce.
28. Fixed a possible uninitialized memory bug in pcre_jit_compile.c.
29. Computation of memory usage for the table of capturing group names was
giving an unnecessarily large value.
Version 8.20 21-Oct-2011
------------------------
1. Change 37 of 8.13 broke patterns like [:a]...[b:] because it thought it had
a POSIX class. After further experiments with Perl, which convinced me that
Perl has bugs and confusions, a closing square bracket is no longer allowed
in a POSIX name. This bug also affected patterns with classes that started
with full stops.
2. If a pattern such as /(a)b|ac/ is matched against "ac", there is no
captured substring, but while checking the failing first alternative,
substring 1 is temporarily captured. If the output vector supplied to
pcre_exec() was not big enough for this capture, the yield of the function
was still zero ("insufficient space for captured substrings"). This cannot
be totally fixed without adding another stack variable, which seems a lot
of expense for a edge case. However, I have improved the situation in cases
such as /(a)(b)x|abc/ matched against "abc", where the return code
indicates that fewer than the maximum number of slots in the ovector have
been set.
3. Related to (2) above: when there are more back references in a pattern than
slots in the output vector, pcre_exec() uses temporary memory during
matching, and copies in the captures as far as possible afterwards. It was
using the entire output vector, but this conflicts with the specification
that only 2/3 is used for passing back captured substrings. Now it uses
only the first 2/3, for compatibility. This is, of course, another edge
case.
4. Zoltan Herczeg's just-in-time compiler support has been integrated into the
main code base, and can be used by building with --enable-jit. When this is
done, pcregrep automatically uses it unless --disable-pcregrep-jit or the
runtime --no-jit option is given.
5. When the number of matches in a pcre_dfa_exec() run exactly filled the
ovector, the return from the function was zero, implying that there were
other matches that did not fit. The correct "exactly full" value is now
returned.
6. If a subpattern that was called recursively or as a subroutine contained
(*PRUNE) or any other control that caused it to give a non-standard return,
invalid errors such as "Error -26 (nested recursion at the same subject
position)" or even infinite loops could occur.
7. If a pattern such as /a(*SKIP)c|b(*ACCEPT)|/ was studied, it stopped
computing the minimum length on reaching *ACCEPT, and so ended up with the
wrong value of 1 rather than 0. Further investigation indicates that
computing a minimum subject length in the presence of *ACCEPT is difficult
(think back references, subroutine calls), and so I have changed the code
so that no minimum is registered for a pattern that contains *ACCEPT.
8. If (*THEN) was present in the first (true) branch of a conditional group,
it was not handled as intended. [But see 16 below.]
9. Replaced RunTest.bat and CMakeLists.txt with improved versions provided by
Sheri Pierce.
10. A pathological pattern such as /(*ACCEPT)a/ was miscompiled, thinking that
the first byte in a match must be "a".
11. Change 17 for 8.13 increased the recursion depth for patterns like
/a(?:.)*?a/ drastically. I've improved things by remembering whether a
pattern contains any instances of (*THEN). If it does not, the old
optimizations are restored. It would be nice to do this on a per-group
basis, but at the moment that is not feasible.
12. In some environments, the output of pcretest -C is CRLF terminated. This
broke RunTest's code that checks for the link size. A single white space
character after the value is now allowed for.
13. RunTest now checks for the "fr" locale as well as for "fr_FR" and "french".
For "fr", it uses the Windows-specific input and output files.
14. If (*THEN) appeared in a group that was called recursively or as a
subroutine, it did not work as intended. [But see next item.]
15. Consider the pattern /A (B(*THEN)C) | D/ where A, B, C, and D are complex
pattern fragments (but not containing any | characters). If A and B are
matched, but there is a failure in C so that it backtracks to (*THEN), PCRE
was behaving differently to Perl. PCRE backtracked into A, but Perl goes to
D. In other words, Perl considers parentheses that do not contain any |
characters to be part of a surrounding alternative, whereas PCRE was
treading (B(*THEN)C) the same as (B(*THEN)C|(*FAIL)) -- which Perl handles
differently. PCRE now behaves in the same way as Perl, except in the case
of subroutine/recursion calls such as (?1) which have in any case always
been different (but PCRE had them first :-).
16. Related to 15 above: Perl does not treat the | in a conditional group as
creating alternatives. Such a group is treated in the same way as an
ordinary group without any | characters when processing (*THEN). PCRE has
been changed to match Perl's behaviour.
17. If a user had set PCREGREP_COLO(U)R to something other than 1:31, the
RunGrepTest script failed.
18. Change 22 for version 13 caused atomic groups to use more stack. This is
inevitable for groups that contain captures, but it can lead to a lot of
stack use in large patterns. The old behaviour has been restored for atomic
groups that do not contain any capturing parentheses.
19. If the PCRE_NO_START_OPTIMIZE option was set for pcre_compile(), it did not
suppress the check for a minimum subject length at run time. (If it was
given to pcre_exec() or pcre_dfa_exec() it did work.)
20. Fixed an ASCII-dependent infelicity in pcretest that would have made it
fail to work when decoding hex characters in data strings in EBCDIC
environments.
21. It appears that in at least one Mac OS environment, the isxdigit() function
is implemented as a macro that evaluates to its argument more than once,
contravening the C 90 Standard (I haven't checked a later standard). There
was an instance in pcretest which caused it to go wrong when processing
\x{...} escapes in subject strings. The has been rewritten to avoid using
things like p++ in the argument of isxdigit().
Version 8.13 16-Aug-2011
------------------------
1. The Unicode data tables have been updated to Unicode 6.0.0.
2. Two minor typos in pcre_internal.h have been fixed.
3. Added #include <string.h> to pcre_scanner_unittest.cc, pcrecpp.cc, and
pcrecpp_unittest.cc. They are needed for strcmp(), memset(), and strchr()
in some environments (e.g. Solaris 10/SPARC using Sun Studio 12U2).
4. There were a number of related bugs in the code for matching backrefences
caselessly in UTF-8 mode when codes for the characters concerned were
different numbers of bytes. For example, U+023A and U+2C65 are an upper
and lower case pair, using 2 and 3 bytes, respectively. The main bugs were:
(a) A reference to 3 copies of a 2-byte code matched only 2 of a 3-byte
code. (b) A reference to 2 copies of a 3-byte code would not match 2 of a
2-byte code at the end of the subject (it thought there wasn't enough data
left).
5. Comprehensive information about what went wrong is now returned by
pcre_exec() and pcre_dfa_exec() when the UTF-8 string check fails, as long
as the output vector has at least 2 elements. The offset of the start of
the failing character and a reason code are placed in the vector.
6. When the UTF-8 string check fails for pcre_compile(), the offset that is
now returned is for the first byte of the failing character, instead of the
last byte inspected. This is an incompatible change, but I hope it is small
enough not to be a problem. It makes the returned offset consistent with
pcre_exec() and pcre_dfa_exec().
7. pcretest now gives a text phrase as well as the error number when
pcre_exec() or pcre_dfa_exec() fails; if the error is a UTF-8 check
failure, the offset and reason code are output.
8. When \R was used with a maximizing quantifier it failed to skip backwards
over a \r\n pair if the subsequent match failed. Instead, it just skipped
back over a single character (\n). This seems wrong (because it treated the
two characters as a single entity when going forwards), conflicts with the
documentation that \R is equivalent to (?>\r\n|\n|...etc), and makes the
behaviour of \R* different to (\R)*, which also seems wrong. The behaviour
has been changed.
9. Some internal refactoring has changed the processing so that the handling
of the PCRE_CASELESS and PCRE_MULTILINE options is done entirely at compile
time (the PCRE_DOTALL option was changed this way some time ago: version
7.7 change 16). This has made it possible to abolish the OP_OPT op code,
which was always a bit of a fudge. It also means that there is one less
argument for the match() function, which reduces its stack requirements
slightly. This change also fixes an incompatibility with Perl: the pattern
(?i:([^b]))(?1) should not match "ab", but previously PCRE gave a match.
10. More internal refactoring has drastically reduced the number of recursive
calls to match() for possessively repeated groups such as (abc)++ when
using pcre_exec().
11. While implementing 10, a number of bugs in the handling of groups were
discovered and fixed:
(?<=(a)+) was not diagnosed as invalid (non-fixed-length lookbehind).
(a|)*(?1) gave a compile-time internal error.
((a|)+)+ did not notice that the outer group could match an empty string.
(^a|^)+ was not marked as anchored.
(.*a|.*)+ was not marked as matching at start or after a newline.
12. Yet more internal refactoring has removed another argument from the match()
function. Special calls to this function are now indicated by setting a
value in a variable in the "match data" data block.
13. Be more explicit in pcre_study() instead of relying on "default" for
opcodes that mean there is no starting character; this means that when new
ones are added and accidentally left out of pcre_study(), testing should
pick them up.
14. The -s option of pcretest has been documented for ages as being an old
synonym of -m (show memory usage). I have changed it to mean "force study
for every regex", that is, assume /S for every regex. This is similar to -i
and -d etc. It's slightly incompatible, but I'm hoping nobody is still
using it. It makes it easier to run collections of tests with and without
study enabled, and thereby test pcre_study() more easily. All the standard
tests are now run with and without -s (but some patterns can be marked as
"never study" - see 20 below).
15. When (*ACCEPT) was used in a subpattern that was called recursively, the
restoration of the capturing data to the outer values was not happening
correctly.
16. If a recursively called subpattern ended with (*ACCEPT) and matched an
empty string, and PCRE_NOTEMPTY was set, pcre_exec() thought the whole
pattern had matched an empty string, and so incorrectly returned a no
match.
17. There was optimizing code for the last branch of non-capturing parentheses,
and also for the obeyed branch of a conditional subexpression, which used
tail recursion to cut down on stack usage. Unfortunately, now that there is
the possibility of (*THEN) occurring in these branches, tail recursion is
no longer possible because the return has to be checked for (*THEN). These
two optimizations have therefore been removed. [But see 8.20/11 above.]
18. If a pattern containing \R was studied, it was assumed that \R always
matched two bytes, thus causing the minimum subject length to be
incorrectly computed because \R can also match just one byte.
19. If a pattern containing (*ACCEPT) was studied, the minimum subject length
was incorrectly computed.
20. If /S is present twice on a test pattern in pcretest input, it now
*disables* studying, thereby overriding the use of -s on the command line
(see 14 above). This is necessary for one or two tests to keep the output
identical in both cases.
21. When (*ACCEPT) was used in an assertion that matched an empty string and
PCRE_NOTEMPTY was set, PCRE applied the non-empty test to the assertion.
22. When an atomic group that contained a capturing parenthesis was
successfully matched, but the branch in which it appeared failed, the
capturing was not being forgotten if a higher numbered group was later
captured. For example, /(?>(a))b|(a)c/ when matching "ac" set capturing
group 1 to "a", when in fact it should be unset. This applied to multi-
branched capturing and non-capturing groups, repeated or not, and also to
positive assertions (capturing in negative assertions does not happen
in PCRE) and also to nested atomic groups.
23. Add the ++ qualifier feature to pcretest, to show the remainder of the
subject after a captured substring, to make it easier to tell which of a
number of identical substrings has been captured.
24. The way atomic groups are processed by pcre_exec() has been changed so that
if they are repeated, backtracking one repetition now resets captured
values correctly. For example, if ((?>(a+)b)+aabab) is matched against
"aaaabaaabaabab" the value of captured group 2 is now correctly recorded as
"aaa". Previously, it would have been "a". As part of this code
refactoring, the way recursive calls are handled has also been changed.
25. If an assertion condition captured any substrings, they were not passed
back unless some other capturing happened later. For example, if
(?(?=(a))a) was matched against "a", no capturing was returned.
26. When studying a pattern that contained subroutine calls or assertions,
the code for finding the minimum length of a possible match was handling
direct recursions such as (xxx(?1)|yyy) but not mutual recursions (where
group 1 called group 2 while simultaneously a separate group 2 called group
1). A stack overflow occurred in this case. I have fixed this by limiting
the recursion depth to 10.
27. Updated RunTest.bat in the distribution to the version supplied by Tom
Fortmann. This supports explicit test numbers on the command line, and has
argument validation and error reporting.
28. An instance of \X with an unlimited repeat could fail if at any point the
first character it looked at was a mark character.
29. Some minor code refactoring concerning Unicode properties and scripts
should reduce the stack requirement of match() slightly.
30. Added the '=' option to pcretest to check the setting of unused capturing
slots at the end of the pattern, which are documented as being -1, but are
not included in the return count.
31. If \k was not followed by a braced, angle-bracketed, or quoted name, PCRE
compiled something random. Now it gives a compile-time error (as does
Perl).
32. A *MARK encountered during the processing of a positive assertion is now
recorded and passed back (compatible with Perl).
33. If --only-matching or --colour was set on a pcregrep call whose pattern
had alternative anchored branches, the search for a second match in a line
was done as if at the line start. Thus, for example, /^01|^02/ incorrectly
matched the line "0102" twice. The same bug affected patterns that started
with a backwards assertion. For example /\b01|\b02/ also matched "0102"
twice.
34. Previously, PCRE did not allow quantification of assertions. However, Perl
does, and because of capturing effects, quantifying parenthesized
assertions may at times be useful. Quantifiers are now allowed for
parenthesized assertions.
35. A minor code tidy in pcre_compile() when checking options for \R usage.
36. \g was being checked for fancy things in a character class, when it should
just be a literal "g".
37. PCRE was rejecting [:a[:digit:]] whereas Perl was not. It seems that the
appearance of a nested POSIX class supersedes an apparent external class.
For example, [:a[:digit:]b:] matches "a", "b", ":", or a digit. Also,
unescaped square brackets may also appear as part of class names. For
example, [:a[:abc]b:] gives unknown class "[:abc]b:]". PCRE now behaves
more like Perl. (But see 8.20/1 above.)
38. PCRE was giving an error for \N with a braced quantifier such as {1,} (this
was because it thought it was \N{name}, which is not supported).
39. Add minix to OS list not supporting the -S option in pcretest.
40. PCRE tries to detect cases of infinite recursion at compile time, but it
cannot analyze patterns in sufficient detail to catch mutual recursions
such as ((?1))((?2)). There is now a runtime test that gives an error if a
subgroup is called recursively as a subpattern for a second time at the
same position in the subject string. In previous releases this might have
been caught by the recursion limit, or it might have run out of stack.
41. A pattern such as /(?(R)a+|(?R)b)/ is quite safe, as the recursion can
happen only once. PCRE was, however incorrectly giving a compile time error
"recursive call could loop indefinitely" because it cannot analyze the
pattern in sufficient detail. The compile time test no longer happens when
PCRE is compiling a conditional subpattern, but actual runaway loops are
now caught at runtime (see 40 above).
42. It seems that Perl allows any characters other than a closing parenthesis
to be part of the NAME in (*MARK:NAME) and other backtracking verbs. PCRE
has been changed to be the same.
43. Updated configure.ac to put in more quoting round AC_LANG_PROGRAM etc. so
as not to get warnings when autogen.sh is called. Also changed
AC_PROG_LIBTOOL (deprecated) to LT_INIT (the current macro).
44. To help people who use pcregrep to scan files containing exceedingly long
lines, the following changes have been made:
(a) The default value of the buffer size parameter has been increased from
8K to 20K. (The actual buffer used is three times this size.)
(b) The default can be changed by ./configure --with-pcregrep-bufsize when
PCRE is built.
(c) A --buffer-size=n option has been added to pcregrep, to allow the size
to be set at run time.
(d) Numerical values in pcregrep options can be followed by K or M, for
example --buffer-size=50K.
(e) If a line being scanned overflows pcregrep's buffer, an error is now
given and the return code is set to 2.
45. Add a pointer to the latest mark to the callout data block.
46. The pattern /.(*F)/, when applied to "abc" with PCRE_PARTIAL_HARD, gave a
partial match of an empty string instead of no match. This was specific to
the use of ".".
47. The pattern /f.*/8s, when applied to "for" with PCRE_PARTIAL_HARD, gave a
complete match instead of a partial match. This bug was dependent on both
the PCRE_UTF8 and PCRE_DOTALL options being set.
48. For a pattern such as /\babc|\bdef/ pcre_study() was failing to set up the
starting byte set, because \b was not being ignored.
Version 8.12 15-Jan-2011
------------------------
1. Fixed some typos in the markup of the man pages, and wrote a script that
checks for such things as part of the documentation building process.
2. On a big-endian 64-bit system, pcregrep did not correctly process the
--match-limit and --recursion-limit options (added for 8.11). In
particular, this made one of the standard tests fail. (The integer value
went into the wrong half of a long int.)
3. If the --colour option was given to pcregrep with -v (invert match), it
did strange things, either producing crazy output, or crashing. It should,
of course, ignore a request for colour when reporting lines that do not
match.
4. Another pcregrep bug caused similar problems if --colour was specified with
-M (multiline) and the pattern match finished with a line ending.
5. In pcregrep, when a pattern that ended with a literal newline sequence was
matched in multiline mode, the following line was shown as part of the
match. This seems wrong, so I have changed it.
6. Another pcregrep bug in multiline mode, when --colour was specified, caused
the check for further matches in the same line (so they could be coloured)
to overrun the end of the current line. If another match was found, it was
incorrectly shown (and then shown again when found in the next line).
7. If pcregrep was compiled under Windows, there was a reference to the
function pcregrep_exit() before it was defined. I am assuming this was
the cause of the "error C2371: 'pcregrep_exit' : redefinition;" that was
reported by a user. I've moved the definition above the reference.
Version 8.11 10-Dec-2010
------------------------
1. (*THEN) was not working properly if there were untried alternatives prior
to it in the current branch. For example, in ((a|b)(*THEN)(*F)|c..) it
backtracked to try for "b" instead of moving to the next alternative branch
at the same level (in this case, to look for "c"). The Perl documentation
is clear that when (*THEN) is backtracked onto, it goes to the "next
alternative in the innermost enclosing group".
2. (*COMMIT) was not overriding (*THEN), as it does in Perl. In a pattern
such as (A(*COMMIT)B(*THEN)C|D) any failure after matching A should
result in overall failure. Similarly, (*COMMIT) now overrides (*PRUNE) and
(*SKIP), (*SKIP) overrides (*PRUNE) and (*THEN), and (*PRUNE) overrides
(*THEN).
3. If \s appeared in a character class, it removed the VT character from
the class, even if it had been included by some previous item, for example
in [\x00-\xff\s]. (This was a bug related to the fact that VT is not part
of \s, but is part of the POSIX "space" class.)
4. A partial match never returns an empty string (because you can always
match an empty string at the end of the subject); however the checking for
an empty string was starting at the "start of match" point. This has been
changed to the "earliest inspected character" point, because the returned
data for a partial match starts at this character. This means that, for
example, /(?<=abc)def/ gives a partial match for the subject "abc"
(previously it gave "no match").
5. Changes have been made to the way PCRE_PARTIAL_HARD affects the matching
of $, \z, \Z, \b, and \B. If the match point is at the end of the string,
previously a full match would be given. However, setting PCRE_PARTIAL_HARD
has an implication that the given string is incomplete (because a partial
match is preferred over a full match). For this reason, these items now
give a partial match in this situation. [Aside: previously, the one case
/t\b/ matched against "cat" with PCRE_PARTIAL_HARD set did return a partial
match rather than a full match, which was wrong by the old rules, but is
now correct.]
6. There was a bug in the handling of #-introduced comments, recognized when
PCRE_EXTENDED is set, when PCRE_NEWLINE_ANY and PCRE_UTF8 were also set.
If a UTF-8 multi-byte character included the byte 0x85 (e.g. +U0445, whose
UTF-8 encoding is 0xd1,0x85), this was misinterpreted as a newline when
scanning for the end of the comment. (*Character* 0x85 is an "any" newline,
but *byte* 0x85 is not, in UTF-8 mode). This bug was present in several
places in pcre_compile().
7. Related to (6) above, when pcre_compile() was skipping #-introduced
comments when looking ahead for named forward references to subpatterns,
the only newline sequence it recognized was NL. It now handles newlines
according to the set newline convention.
8. SunOS4 doesn't have strerror() or strtoul(); pcregrep dealt with the
former, but used strtoul(), whereas pcretest avoided strtoul() but did not
cater for a lack of strerror(). These oversights have been fixed.
9. Added --match-limit and --recursion-limit to pcregrep.
10. Added two casts needed to build with Visual Studio when NO_RECURSE is set.
11. When the -o option was used, pcregrep was setting a return code of 1, even
when matches were found, and --line-buffered was not being honoured.
12. Added an optional parentheses number to the -o and --only-matching options
of pcregrep.
13. Imitating Perl's /g action for multiple matches is tricky when the pattern
can match an empty string. The code to do it in pcretest and pcredemo
needed fixing:
(a) When the newline convention was "crlf", pcretest got it wrong, skipping
only one byte after an empty string match just before CRLF (this case
just got forgotten; "any" and "anycrlf" were OK).
(b) The pcretest code also had a bug, causing it to loop forever in UTF-8
mode when an empty string match preceded an ASCII character followed by
a non-ASCII character. (The code for advancing by one character rather
than one byte was nonsense.)
(c) The pcredemo.c sample program did not have any code at all to handle
the cases when CRLF is a valid newline sequence.
14. Neither pcre_exec() nor pcre_dfa_exec() was checking that the value given
as a starting offset was within the subject string. There is now a new
error, PCRE_ERROR_BADOFFSET, which is returned if the starting offset is
negative or greater than the length of the string. In order to test this,
pcretest is extended to allow the setting of negative starting offsets.
15. In both pcre_exec() and pcre_dfa_exec() the code for checking that the
starting offset points to the beginning of a UTF-8 character was
unnecessarily clumsy. I tidied it up.
16. Added PCRE_ERROR_SHORTUTF8 to make it possible to distinguish between a
bad UTF-8 sequence and one that is incomplete when using PCRE_PARTIAL_HARD.
17. Nobody had reported that the --include_dir option, which was added in
release 7.7 should have been called --include-dir (hyphen, not underscore)
for compatibility with GNU grep. I have changed it to --include-dir, but
left --include_dir as an undocumented synonym, and the same for
--exclude-dir, though that is not available in GNU grep, at least as of
release 2.5.4.
18. At a user's suggestion, the macros GETCHAR and friends (which pick up UTF-8
characters from a string of bytes) have been redefined so as not to use
loops, in order to improve performance in some environments. At the same
time, I abstracted some of the common code into auxiliary macros to save
repetition (this should not affect the compiled code).
19. If \c was followed by a multibyte UTF-8 character, bad things happened. A
compile-time error is now given if \c is not followed by an ASCII
character, that is, a byte less than 128. (In EBCDIC mode, the code is
different, and any byte value is allowed.)
20. Recognize (*NO_START_OPT) at the start of a pattern to set the PCRE_NO_
START_OPTIMIZE option, which is now allowed at compile time - but just
passed through to pcre_exec() or pcre_dfa_exec(). This makes it available
to pcregrep and other applications that have no direct access to PCRE
options. The new /Y option in pcretest sets this option when calling
pcre_compile().
21. Change 18 of release 8.01 broke the use of named subpatterns for recursive
back references. Groups containing recursive back references were forced to
be atomic by that change, but in the case of named groups, the amount of
memory required was incorrectly computed, leading to "Failed: internal
error: code overflow". This has been fixed.
22. Some patches to pcre_stringpiece.h, pcre_stringpiece_unittest.cc, and
pcretest.c, to avoid build problems in some Borland environments.
Version 8.10 25-Jun-2010
------------------------
1. Added support for (*MARK:ARG) and for ARG additions to PRUNE, SKIP, and
THEN.
2. (*ACCEPT) was not working when inside an atomic group.
3. Inside a character class, \B is treated as a literal by default, but
faulted if PCRE_EXTRA is set. This mimics Perl's behaviour (the -w option
causes the error). The code is unchanged, but I tidied the documentation.
4. Inside a character class, PCRE always treated \R and \X as literals,
whereas Perl faults them if its -w option is set. I have changed PCRE so
that it faults them when PCRE_EXTRA is set.
5. Added support for \N, which always matches any character other than
newline. (It is the same as "." when PCRE_DOTALL is not set.)
6. When compiling pcregrep with newer versions of gcc which may have
FORTIFY_SOURCE set, several warnings "ignoring return value of 'fwrite',
declared with attribute warn_unused_result" were given. Just casting the
result to (void) does not stop the warnings; a more elaborate fudge is
needed. I've used a macro to implement this.
7. Minor change to pcretest.c to avoid a compiler warning.
8. Added four artifical Unicode properties to help with an option to make
\s etc use properties (see next item). The new properties are: Xan
(alphanumeric), Xsp (Perl space), Xps (POSIX space), and Xwd (word).
9. Added PCRE_UCP to make \b, \d, \s, \w, and certain POSIX character classes
use Unicode properties. (*UCP) at the start of a pattern can be used to set
this option. Modified pcretest to add /W to test this facility. Added
REG_UCP to make it available via the POSIX interface.
10. Added --line-buffered to pcregrep.
11. In UTF-8 mode, if a pattern that was compiled with PCRE_CASELESS was
studied, and the match started with a letter with a code point greater than
127 whose first byte was different to the first byte of the other case of
the letter, the other case of this starting letter was not recognized
(#976).
12. If a pattern that was studied started with a repeated Unicode property
test, for example, \p{Nd}+, there was the theoretical possibility of
setting up an incorrect bitmap of starting bytes, but fortunately it could
not have actually happened in practice until change 8 above was made (it
added property types that matched character-matching opcodes).
13. pcre_study() now recognizes \h, \v, and \R when constructing a bit map of
possible starting bytes for non-anchored patterns.
14. Extended the "auto-possessify" feature of pcre_compile(). It now recognizes
\R, and also a number of cases that involve Unicode properties, both
explicit and implicit when PCRE_UCP is set.
15. If a repeated Unicode property match (e.g. \p{Lu}*) was used with non-UTF-8
input, it could crash or give wrong results if characters with values
greater than 0xc0 were present in the subject string. (Detail: it assumed
UTF-8 input when processing these items.)
16. Added a lot of (int) casts to avoid compiler warnings in systems where
size_t is 64-bit (#991).
17. Added a check for running out of memory when PCRE is compiled with
--disable-stack-for-recursion (#990).
18. If the last data line in a file for pcretest does not have a newline on
the end, a newline was missing in the output.
19. The default pcre_chartables.c file recognizes only ASCII characters (values
less than 128) in its various bitmaps. However, there is a facility for
generating tables according to the current locale when PCRE is compiled. It
turns out that in some environments, 0x85 and 0xa0, which are Unicode space
characters, are recognized by isspace() and therefore were getting set in
these tables, and indeed these tables seem to approximate to ISO 8859. This
caused a problem in UTF-8 mode when pcre_study() was used to create a list
of bytes that can start a match. For \s, it was including 0x85 and 0xa0,
which of course cannot start UTF-8 characters. I have changed the code so
that only real ASCII characters (less than 128) and the correct starting
bytes for UTF-8 encodings are set for characters greater than 127 when in
UTF-8 mode. (When PCRE_UCP is set - see 9 above - the code is different
altogether.)
20. Added the /T option to pcretest so as to be able to run tests with non-
standard character tables, thus making it possible to include the tests
used for 19 above in the standard set of tests.
21. A pattern such as (?&t)(?#()(?(DEFINE)(?<t>a)) which has a forward
reference to a subpattern the other side of a comment that contains an
opening parenthesis caused either an internal compiling error, or a
reference to the wrong subpattern.
Version 8.02 19-Mar-2010
------------------------
1. The Unicode data tables have been updated to Unicode 5.2.0.
2. Added the option --libs-cpp to pcre-config, but only when C++ support is
configured.
3. Updated the licensing terms in the pcregexp.pas file, as agreed with the
original author of that file, following a query about its status.
4. On systems that do not have stdint.h (e.g. Solaris), check for and include
inttypes.h instead. This fixes a bug that was introduced by change 8.01/8.
5. A pattern such as (?&t)*+(?(DEFINE)(?<t>.)) which has a possessive
quantifier applied to a forward-referencing subroutine call, could compile
incorrect code or give the error "internal error: previously-checked
referenced subpattern not found".
6. Both MS Visual Studio and Symbian OS have problems with initializing
variables to point to external functions. For these systems, therefore,
pcre_malloc etc. are now initialized to local functions that call the
relevant global functions.
7. There were two entries missing in the vectors called coptable and poptable
in pcre_dfa_exec.c. This could lead to memory accesses outsize the vectors.
I've fixed the data, and added a kludgy way of testing at compile time that
the lengths are correct (equal to the number of opcodes).
8. Following on from 7, I added a similar kludge to check the length of the
eint vector in pcreposix.c.
9. Error texts for pcre_compile() are held as one long string to avoid too
much relocation at load time. To find a text, the string is searched,
counting zeros. There was no check for running off the end of the string,
which could happen if a new error number was added without updating the
string.
10. \K gave a compile-time error if it appeared in a lookbehind assersion.
11. \K was not working if it appeared in an atomic group or in a group that
was called as a "subroutine", or in an assertion. Perl 5.11 documents that
\K is "not well defined" if used in an assertion. PCRE now accepts it if
the assertion is positive, but not if it is negative.
12. Change 11 fortuitously reduced the size of the stack frame used in the
"match()" function of pcre_exec.c by one pointer. Forthcoming
implementation of support for (*MARK) will need an extra pointer on the
stack; I have reserved it now, so that the stack frame size does not
decrease.
13. A pattern such as (?P<L1>(?P<L2>0)|(?P>L2)(?P>L1)) in which the only other
item in branch that calls a recursion is a subroutine call - as in the
second branch in the above example - was incorrectly given the compile-
time error "recursive call could loop indefinitely" because pcre_compile()
was not correctly checking the subroutine for matching a non-empty string.
14. The checks for overrunning compiling workspace could trigger after an
overrun had occurred. This is a "should never occur" error, but it can be
triggered by pathological patterns such as hundreds of nested parentheses.
The checks now trigger 100 bytes before the end of the workspace.
15. Fix typo in configure.ac: "srtoq" should be "strtoq".
Version 8.01 19-Jan-2010
------------------------
1. If a pattern contained a conditional subpattern with only one branch (in
particular, this includes all (*DEFINE) patterns), a call to pcre_study()
computed the wrong minimum data length (which is of course zero for such
subpatterns). This could cause incorrect "no match" results.
2. For patterns such as (?i)a(?-i)b|c where an option setting at the start of
the pattern is reset in the first branch, pcre_compile() failed with
"internal error: code overflow at offset...". This happened only when
the reset was to the original external option setting. (An optimization
abstracts leading options settings into an external setting, which was the
cause of this.)
3. A pattern such as ^(?!a(*SKIP)b) where a negative assertion contained one
of the verbs SKIP, PRUNE, or COMMIT, did not work correctly. When the
assertion pattern did not match (meaning that the assertion was true), it
was incorrectly treated as false if the SKIP had been reached during the
matching. This also applied to assertions used as conditions.
4. If an item that is not supported by pcre_dfa_exec() was encountered in an
assertion subpattern, including such a pattern used as a condition,
unpredictable results occurred, instead of the error return
PCRE_ERROR_DFA_UITEM.
5. The C++ GlobalReplace function was not working like Perl for the special
situation when an empty string is matched. It now does the fancy magic
stuff that is necessary.
6. In pcre_internal.h, obsolete includes to setjmp.h and stdarg.h have been
removed. (These were left over from very, very early versions of PCRE.)
7. Some cosmetic changes to the code to make life easier when compiling it
as part of something else:
(a) Change DEBUG to PCRE_DEBUG.
(b) In pcre_compile(), rename the member of the "branch_chain" structure
called "current" as "current_branch", to prevent a collision with the
Linux macro when compiled as a kernel module.
(c) In pcre_study(), rename the function set_bit() as set_table_bit(), to
prevent a collision with the Linux macro when compiled as a kernel
module.
8. In pcre_compile() there are some checks for integer overflows that used to
cast potentially large values to (double). This has been changed to that
when building, a check for int64_t is made, and if it is found, it is used
instead, thus avoiding the use of floating point arithmetic. (There is no
other use of FP in PCRE.) If int64_t is not found, the fallback is to
double.
9. Added two casts to avoid signed/unsigned warnings from VS Studio Express
2005 (difference between two addresses compared to an unsigned value).
10. Change the standard AC_CHECK_LIB test for libbz2 in configure.ac to a
custom one, because of the following reported problem in Windows:
- libbz2 uses the Pascal calling convention (WINAPI) for the functions
under Win32.
- The standard autoconf AC_CHECK_LIB fails to include "bzlib.h",
therefore missing the function definition.
- The compiler thus generates a "C" signature for the test function.
- The linker fails to find the "C" function.
- PCRE fails to configure if asked to do so against libbz2.
11. When running libtoolize from libtool-2.2.6b as part of autogen.sh, these
messages were output:
Consider adding `AC_CONFIG_MACRO_DIR([m4])' to configure.ac and
rerunning libtoolize, to keep the correct libtool macros in-tree.
Consider adding `-I m4' to ACLOCAL_AMFLAGS in Makefile.am.
I have done both of these things.
12. Although pcre_dfa_exec() does not use nearly as much stack as pcre_exec()
most of the time, it *can* run out if it is given a pattern that contains a
runaway infinite recursion. I updated the discussion in the pcrestack man
page.
13. Now that we have gone to the x.xx style of version numbers, the minor
version may start with zero. Using 08 or 09 is a bad idea because users
might check the value of PCRE_MINOR in their code, and 08 or 09 may be
interpreted as invalid octal numbers. I've updated the previous comment in
configure.ac, and also added a check that gives an error if 08 or 09 are
used.
14. Change 8.00/11 was not quite complete: code had been accidentally omitted,
causing partial matching to fail when the end of the subject matched \W
in a UTF-8 pattern where \W was quantified with a minimum of 3.
15. There were some discrepancies between the declarations in pcre_internal.h
of _pcre_is_newline(), _pcre_was_newline(), and _pcre_valid_utf8() and
their definitions. The declarations used "const uschar *" and the
definitions used USPTR. Even though USPTR is normally defined as "const
unsigned char *" (and uschar is typedeffed as "unsigned char"), it was
reported that: "This difference in casting confuses some C++ compilers, for
example, SunCC recognizes above declarations as different functions and
generates broken code for hbpcre." I have changed the declarations to use
USPTR.
16. GNU libtool is named differently on some systems. The autogen.sh script now
tries several variants such as glibtoolize (MacOSX) and libtoolize1x
(FreeBSD).
17. Applied Craig's patch that fixes an HP aCC compile error in pcre 8.00
(strtoXX undefined when compiling pcrecpp.cc). The patch contains this
comment: "Figure out how to create a longlong from a string: strtoll and
equivalent. It's not enough to call AC_CHECK_FUNCS: hpux has a strtoll, for
instance, but it only takes 2 args instead of 3!"
18. A subtle bug concerned with back references has been fixed by a change of
specification, with a corresponding code fix. A pattern such as
^(xa|=?\1a)+$ which contains a back reference inside the group to which it
refers, was giving matches when it shouldn't. For example, xa=xaaa would
match that pattern. Interestingly, Perl (at least up to 5.11.3) has the
same bug. Such groups have to be quantified to be useful, or contained
inside another quantified group. (If there's no repetition, the reference
can never match.) The problem arises because, having left the group and
moved on to the rest of the pattern, a later failure that backtracks into
the group uses the captured value from the final iteration of the group
rather than the correct earlier one. I have fixed this in PCRE by forcing
any group that contains a reference to itself to be an atomic group; that
is, there cannot be any backtracking into it once it has completed. This is
similar to recursive and subroutine calls.
Version 8.00 19-Oct-09
----------------------
1. The table for translating pcre_compile() error codes into POSIX error codes
was out-of-date, and there was no check on the pcre_compile() error code
being within the table. This could lead to an OK return being given in
error.
2. Changed the call to open a subject file in pcregrep from fopen(pathname,
"r") to fopen(pathname, "rb"), which fixed a problem with some of the tests
in a Windows environment.
3. The pcregrep --count option prints the count for each file even when it is
zero, as does GNU grep. However, pcregrep was also printing all files when
--files-with-matches was added. Now, when both options are given, it prints
counts only for those files that have at least one match. (GNU grep just
prints the file name in this circumstance, but including the count seems
more useful - otherwise, why use --count?) Also ensured that the
combination -clh just lists non-zero counts, with no names.
4. The long form of the pcregrep -F option was incorrectly implemented as
--fixed_strings instead of --fixed-strings. This is an incompatible change,
but it seems right to fix it, and I didn't think it was worth preserving
the old behaviour.
5. The command line items --regex=pattern and --regexp=pattern were not
recognized by pcregrep, which required --regex pattern or --regexp pattern
(with a space rather than an '='). The man page documented the '=' forms,
which are compatible with GNU grep; these now work.
6. No libpcreposix.pc file was created for pkg-config; there was just
libpcre.pc and libpcrecpp.pc. The omission has been rectified.
7. Added #ifndef SUPPORT_UCP into the pcre_ucd.c module, to reduce its size
when UCP support is not needed, by modifying the Python script that
generates it from Unicode data files. This should not matter if the module
is correctly used as a library, but I received one complaint about 50K of
unwanted data. My guess is that the person linked everything into his
program rather than using a library. Anyway, it does no harm.
8. A pattern such as /\x{123}{2,2}+/8 was incorrectly compiled; the trigger
was a minimum greater than 1 for a wide character in a possessive
repetition. The same bug could also affect patterns like /(\x{ff}{0,2})*/8
which had an unlimited repeat of a nested, fixed maximum repeat of a wide
character. Chaos in the form of incorrect output or a compiling loop could
result.
9. The restrictions on what a pattern can contain when partial matching is
requested for pcre_exec() have been removed. All patterns can now be
partially matched by this function. In addition, if there are at least two
slots in the offset vector, the offset of the earliest inspected character
for the match and the offset of the end of the subject are set in them when
PCRE_ERROR_PARTIAL is returned.
10. Partial matching has been split into two forms: PCRE_PARTIAL_SOFT, which is
synonymous with PCRE_PARTIAL, for backwards compatibility, and
PCRE_PARTIAL_HARD, which causes a partial match to supersede a full match,
and may be more useful for multi-segment matching.
11. Partial matching with pcre_exec() is now more intuitive. A partial match
used to be given if ever the end of the subject was reached; now it is
given only if matching could not proceed because another character was
needed. This makes a difference in some odd cases such as Z(*FAIL) with the
string "Z", which now yields "no match" instead of "partial match". In the
case of pcre_dfa_exec(), "no match" is given if every matching path for the
final character ended with (*FAIL).
12. Restarting a match using pcre_dfa_exec() after a partial match did not work
if the pattern had a "must contain" character that was already found in the
earlier partial match, unless partial matching was again requested. For
example, with the pattern /dog.(body)?/, the "must contain" character is
"g". If the first part-match was for the string "dog", restarting with
"sbody" failed. This bug has been fixed.
13. The string returned by pcre_dfa_exec() after a partial match has been
changed so that it starts at the first inspected character rather than the
first character of the match. This makes a difference only if the pattern
starts with a lookbehind assertion or \b or \B (\K is not supported by
pcre_dfa_exec()). It's an incompatible change, but it makes the two
matching functions compatible, and I think it's the right thing to do.
14. Added a pcredemo man page, created automatically from the pcredemo.c file,
so that the demonstration program is easily available in environments where
PCRE has not been installed from source.
15. Arranged to add -DPCRE_STATIC to cflags in libpcre.pc, libpcreposix.cp,
libpcrecpp.pc and pcre-config when PCRE is not compiled as a shared
library.
16. Added REG_UNGREEDY to the pcreposix interface, at the request of a user.
It maps to PCRE_UNGREEDY. It is not, of course, POSIX-compatible, but it
is not the first non-POSIX option to be added. Clearly some people find
these options useful.
17. If a caller to the POSIX matching function regexec() passes a non-zero
value for nmatch with a NULL value for pmatch, the value of
nmatch is forced to zero.
18. RunGrepTest did not have a test for the availability of the -u option of
the diff command, as RunTest does. It now checks in the same way as
RunTest, and also checks for the -b option.
19. If an odd number of negated classes containing just a single character
interposed, within parentheses, between a forward reference to a named
subpattern and the definition of the subpattern, compilation crashed with
an internal error, complaining that it could not find the referenced
subpattern. An example of a crashing pattern is /(?&A)(([^m])(?<A>))/.
[The bug was that it was starting one character too far in when skipping
over the character class, thus treating the ] as data rather than
terminating the class. This meant it could skip too much.]
20. Added PCRE_NOTEMPTY_ATSTART in order to be able to correctly implement the
/g option in pcretest when the pattern contains \K, which makes it possible
to have an empty string match not at the start, even when the pattern is
anchored. Updated pcretest and pcredemo to use this option.
21. If the maximum number of capturing subpatterns in a recursion was greater
than the maximum at the outer level, the higher number was returned, but
with unset values at the outer level. The correct (outer level) value is
now given.
22. If (*ACCEPT) appeared inside capturing parentheses, previous releases of
PCRE did not set those parentheses (unlike Perl). I have now found a way to
make it do so. The string so far is captured, making this feature
compatible with Perl.
23. The tests have been re-organized, adding tests 11 and 12, to make it
possible to check the Perl 5.10 features against Perl 5.10.
24. Perl 5.10 allows subroutine calls in lookbehinds, as long as the subroutine
pattern matches a fixed length string. PCRE did not allow this; now it
does. Neither allows recursion.
25. I finally figured out how to implement a request to provide the minimum
length of subject string that was needed in order to match a given pattern.
(It was back references and recursion that I had previously got hung up
on.) This code has now been added to pcre_study(); it finds a lower bound
to the length of subject needed. It is not necessarily the greatest lower
bound, but using it to avoid searching strings that are too short does give
some useful speed-ups. The value is available to calling programs via
pcre_fullinfo().
26. While implementing 25, I discovered to my embarrassment that pcretest had
not been passing the result of pcre_study() to pcre_dfa_exec(), so the
study optimizations had never been tested with that matching function.
Oops. What is worse, even when it was passed study data, there was a bug in
pcre_dfa_exec() that meant it never actually used it. Double oops. There
were also very few tests of studied patterns with pcre_dfa_exec().
27. If (?| is used to create subpatterns with duplicate numbers, they are now
allowed to have the same name, even if PCRE_DUPNAMES is not set. However,
on the other side of the coin, they are no longer allowed to have different
names, because these cannot be distinguished in PCRE, and this has caused
confusion. (This is a difference from Perl.)
28. When duplicate subpattern names are present (necessarily with different
numbers, as required by 27 above), and a test is made by name in a
conditional pattern, either for a subpattern having been matched, or for
recursion in such a pattern, all the associated numbered subpatterns are
tested, and the overall condition is true if the condition is true for any
one of them. This is the way Perl works, and is also more like the way
testing by number works.
Version 7.9 11-Apr-09
---------------------
1. When building with support for bzlib/zlib (pcregrep) and/or readline
(pcretest), all targets were linked against these libraries. This included
libpcre, libpcreposix, and libpcrecpp, even though they do not use these
libraries. This caused unwanted dependencies to be created. This problem
has been fixed, and now only pcregrep is linked with bzlib/zlib and only
pcretest is linked with readline.
2. The "typedef int BOOL" in pcre_internal.h that was included inside the
"#ifndef FALSE" condition by an earlier change (probably 7.8/18) has been
moved outside it again, because FALSE and TRUE are already defined in AIX,
but BOOL is not.
3. The pcre_config() function was treating the PCRE_MATCH_LIMIT and
PCRE_MATCH_LIMIT_RECURSION values as ints, when they should be long ints.
4. The pcregrep documentation said spaces were inserted as well as colons (or
hyphens) following file names and line numbers when outputting matching
lines. This is not true; no spaces are inserted. I have also clarified the
wording for the --colour (or --color) option.
5. In pcregrep, when --colour was used with -o, the list of matching strings
was not coloured; this is different to GNU grep, so I have changed it to be
the same.
6. When --colo(u)r was used in pcregrep, only the first matching substring in
each matching line was coloured. Now it goes on to look for further matches
of any of the test patterns, which is the same behaviour as GNU grep.
7. A pattern that could match an empty string could cause pcregrep to loop; it
doesn't make sense to accept an empty string match in pcregrep, so I have
locked it out (using PCRE's PCRE_NOTEMPTY option). By experiment, this
seems to be how GNU grep behaves. [But see later change 40 for release
8.33.]
8. The pattern (?(?=.*b)b|^) was incorrectly compiled as "match must be at
start or after a newline", because the conditional assertion was not being
correctly handled. The rule now is that both the assertion and what follows
in the first alternative must satisfy the test.
9. If auto-callout was enabled in a pattern with a conditional group whose
condition was an assertion, PCRE could crash during matching, both with
pcre_exec() and pcre_dfa_exec().
10. The PCRE_DOLLAR_ENDONLY option was not working when pcre_dfa_exec() was
used for matching.
11. Unicode property support in character classes was not working for
characters (bytes) greater than 127 when not in UTF-8 mode.
12. Added the -M command line option to pcretest.
14. Added the non-standard REG_NOTEMPTY option to the POSIX interface.
15. Added the PCRE_NO_START_OPTIMIZE match-time option.
16. Added comments and documentation about mis-use of no_arg in the C++
wrapper.
17. Implemented support for UTF-8 encoding in EBCDIC environments, a patch
from Martin Jerabek that uses macro names for all relevant character and
string constants.
18. Added to pcre_internal.h two configuration checks: (a) If both EBCDIC and
SUPPORT_UTF8 are set, give an error; (b) If SUPPORT_UCP is set without
SUPPORT_UTF8, define SUPPORT_UTF8. The "configure" script handles both of
these, but not everybody uses configure.
19. A conditional group that had only one branch was not being correctly
recognized as an item that could match an empty string. This meant that an
enclosing group might also not be so recognized, causing infinite looping
(and probably a segfault) for patterns such as ^"((?(?=[a])[^"])|b)*"$
with the subject "ab", where knowledge that the repeated group can match
nothing is needed in order to break the loop.
20. If a pattern that was compiled with callouts was matched using pcre_dfa_
exec(), but without supplying a callout function, matching went wrong.
21. If PCRE_ERROR_MATCHLIMIT occurred during a recursion, there was a memory
leak if the size of the offset vector was greater than 30. When the vector
is smaller, the saved offsets during recursion go onto a local stack
vector, but for larger vectors malloc() is used. It was failing to free
when the recursion yielded PCRE_ERROR_MATCH_LIMIT (or any other "abnormal"
error, in fact).
22. There was a missing #ifdef SUPPORT_UTF8 round one of the variables in the
heapframe that is used only when UTF-8 support is enabled. This caused no
problem, but was untidy.
23. Steven Van Ingelgem's patch to CMakeLists.txt to change the name
CMAKE_BINARY_DIR to PROJECT_BINARY_DIR so that it works when PCRE is
included within another project.
24. Steven Van Ingelgem's patches to add more options to the CMake support,
slightly modified by me:
(a) PCRE_BUILD_TESTS can be set OFF not to build the tests, including
not building pcregrep.
(b) PCRE_BUILD_PCREGREP can be see OFF not to build pcregrep, but only
if PCRE_BUILD_TESTS is also set OFF, because the tests use pcregrep.
25. Forward references, both numeric and by name, in patterns that made use of
duplicate group numbers, could behave incorrectly or give incorrect errors,
because when scanning forward to find the reference group, PCRE was not
taking into account the duplicate group numbers. A pattern such as
^X(?3)(a)(?|(b)|(q))(Y) is an example.
26. Changed a few more instances of "const unsigned char *" to USPTR, making
the feature of a custom pointer more persuasive (as requested by a user).
27. Wrapped the definitions of fileno and isatty for Windows, which appear in
pcretest.c, inside #ifndefs, because it seems they are sometimes already
pre-defined.
28. Added support for (*UTF8) at the start of a pattern.
29. Arrange for flags added by the "release type" setting in CMake to be shown
in the configuration summary.
Version 7.8 05-Sep-08
---------------------
1. Replaced UCP searching code with optimized version as implemented for Ad
Muncher (http://www.admuncher.com/) by Peter Kankowski. This uses a two-
stage table and inline lookup instead of a function, giving speed ups of 2
to 5 times on some simple patterns that I tested. Permission was given to
distribute the MultiStage2.py script that generates the tables (it's not in
the tarball, but is in the Subversion repository).
2. Updated the Unicode datatables to Unicode 5.1.0. This adds yet more
scripts.
3. Change 12 for 7.7 introduced a bug in pcre_study() when a pattern contained
a group with a zero qualifier. The result of the study could be incorrect,
or the function might crash, depending on the pattern.
4. Caseless matching was not working for non-ASCII characters in back
references. For example, /(\x{de})\1/8i was not matching \x{de}\x{fe}.
It now works when Unicode Property Support is available.
5. In pcretest, an escape such as \x{de} in the data was always generating
a UTF-8 string, even in non-UTF-8 mode. Now it generates a single byte in
non-UTF-8 mode. If the value is greater than 255, it gives a warning about
truncation.
6. Minor bugfix in pcrecpp.cc (change "" == ... to NULL == ...).
7. Added two (int) casts to pcregrep when printing the difference of two
pointers, in case they are 64-bit values.
8. Added comments about Mac OS X stack usage to the pcrestack man page and to
test 2 if it fails.
9. Added PCRE_CALL_CONVENTION just before the names of all exported functions,
and a #define of that name to empty if it is not externally set. This is to
allow users of MSVC to set it if necessary.
10. The PCRE_EXP_DEFN macro which precedes exported functions was missing from
the convenience functions in the pcre_get.c source file.
11. An option change at the start of a pattern that had top-level alternatives
could cause overwriting and/or a crash. This command provoked a crash in
some environments:
printf "/(?i)[\xc3\xa9\xc3\xbd]|[\xc3\xa9\xc3\xbdA]/8\n" | pcretest
This potential security problem was recorded as CVE-2008-2371.
12. For a pattern where the match had to start at the beginning or immediately
after a newline (e.g /.*anything/ without the DOTALL flag), pcre_exec() and
pcre_dfa_exec() could read past the end of the passed subject if there was
no match. To help with detecting such bugs (e.g. with valgrind), I modified
pcretest so that it places the subject at the end of its malloc-ed buffer.
13. The change to pcretest in 12 above threw up a couple more cases when pcre_
exec() might read past the end of the data buffer in UTF-8 mode.
14. A similar bug to 7.3/2 existed when the PCRE_FIRSTLINE option was set and
the data contained the byte 0x85 as part of a UTF-8 character within its
first line. This applied both to normal and DFA matching.
15. Lazy qualifiers were not working in some cases in UTF-8 mode. For example,
/^[^d]*?$/8 failed to match "abc".
16. Added a missing copyright notice to pcrecpp_internal.h.
17. Make it more clear in the documentation that values returned from
pcre_exec() in ovector are byte offsets, not character counts.
18. Tidied a few places to stop certain compilers from issuing warnings.
19. Updated the Virtual Pascal + BCC files to compile the latest v7.7, as
supplied by Stefan Weber. I made a further small update for 7.8 because
there is a change of source arrangements: the pcre_searchfuncs.c module is
replaced by pcre_ucd.c.
Version 7.7 07-May-08
---------------------
1. Applied Craig's patch to sort out a long long problem: "If we can't convert
a string to a long long, pretend we don't even have a long long." This is
done by checking for the strtoq, strtoll, and _strtoi64 functions.
2. Applied Craig's patch to pcrecpp.cc to restore ABI compatibility with
pre-7.6 versions, which defined a global no_arg variable instead of putting
it in the RE class. (See also #8 below.)
3. Remove a line of dead code, identified by coverity and reported by Nuno
Lopes.
4. Fixed two related pcregrep bugs involving -r with --include or --exclude:
(1) The include/exclude patterns were being applied to the whole pathnames
of files, instead of just to the final components.
(2) If there was more than one level of directory, the subdirectories were
skipped unless they satisfied the include/exclude conditions. This is
inconsistent with GNU grep (and could even be seen as contrary to the
pcregrep specification - which I improved to make it absolutely clear).
The action now is always to scan all levels of directory, and just
apply the include/exclude patterns to regular files.
5. Added the --include_dir and --exclude_dir patterns to pcregrep, and used
--exclude_dir in the tests to avoid scanning .svn directories.
6. Applied Craig's patch to the QuoteMeta function so that it escapes the
NUL character as backslash + 0 rather than backslash + NUL, because PCRE
doesn't support NULs in patterns.
7. Added some missing "const"s to declarations of static tables in
pcre_compile.c and pcre_dfa_exec.c.
8. Applied Craig's patch to pcrecpp.cc to fix a problem in OS X that was
caused by fix #2 above. (Subsequently also a second patch to fix the
first patch. And a third patch - this was a messy problem.)
9. Applied Craig's patch to remove the use of push_back().
10. Applied Alan Lehotsky's patch to add REG_STARTEND support to the POSIX
matching function regexec().
11. Added support for the Oniguruma syntax \g<name>, \g<n>, \g'name', \g'n',
which, however, unlike Perl's \g{...}, are subroutine calls, not back
references. PCRE supports relative numbers with this syntax (I don't think
Oniguruma does).
12. Previously, a group with a zero repeat such as (...){0} was completely
omitted from the compiled regex. However, this means that if the group
was called as a subroutine from elsewhere in the pattern, things went wrong
(an internal error was given). Such groups are now left in the compiled
pattern, with a new opcode that causes them to be skipped at execution
time.
13. Added the PCRE_JAVASCRIPT_COMPAT option. This makes the following changes
to the way PCRE behaves:
(a) A lone ] character is dis-allowed (Perl treats it as data).
(b) A back reference to an unmatched subpattern matches an empty string
(Perl fails the current match path).
(c) A data ] in a character class must be notated as \] because if the
first data character in a class is ], it defines an empty class. (In
Perl it is not possible to have an empty class.) The empty class []
never matches; it forces failure and is equivalent to (*FAIL) or (?!).
The negative empty class [^] matches any one character, independently
of the DOTALL setting.
14. A pattern such as /(?2)[]a()b](abc)/ which had a forward reference to a
non-existent subpattern following a character class starting with ']' and
containing () gave an internal compiling error instead of "reference to
non-existent subpattern". Fortunately, when the pattern did exist, the
compiled code was correct. (When scanning forwards to check for the
existence of the subpattern, it was treating the data ']' as terminating
the class, so got the count wrong. When actually compiling, the reference
was subsequently set up correctly.)
15. The "always fail" assertion (?!) is optimzed to (*FAIL) by pcre_compile;
it was being rejected as not supported by pcre_dfa_exec(), even though
other assertions are supported. I have made pcre_dfa_exec() support
(*FAIL).
16. The implementation of 13c above involved the invention of a new opcode,
OP_ALLANY, which is like OP_ANY but doesn't check the /s flag. Since /s
cannot be changed at match time, I realized I could make a small
improvement to matching performance by compiling OP_ALLANY instead of
OP_ANY for "." when DOTALL was set, and then removing the runtime tests
on the OP_ANY path.
17. Compiling pcretest on Windows with readline support failed without the
following two fixes: (1) Make the unistd.h include conditional on
HAVE_UNISTD_H; (2) #define isatty and fileno as _isatty and _fileno.
18. Changed CMakeLists.txt and cmake/FindReadline.cmake to arrange for the
ncurses library to be included for pcretest when ReadLine support is
requested, but also to allow for it to be overridden. This patch came from
Daniel Bergström.
19. There was a typo in the file ucpinternal.h where f0_rangeflag was defined
as 0x00f00000 instead of 0x00800000. Luckily, this would not have caused
any errors with the current Unicode tables. Thanks to Peter Kankowski for
spotting this.
Version 7.6 28-Jan-08
---------------------
1. A character class containing a very large number of characters with
codepoints greater than 255 (in UTF-8 mode, of course) caused a buffer
overflow.
2. Patch to cut out the "long long" test in pcrecpp_unittest when
HAVE_LONG_LONG is not defined.
3. Applied Christian Ehrlicher's patch to update the CMake build files to
bring them up to date and include new features. This patch includes:
- Fixed PH's badly added libz and libbz2 support.
- Fixed a problem with static linking.
- Added pcredemo. [But later removed - see 7 below.]
- Fixed dftables problem and added an option.
- Added a number of HAVE_XXX tests, including HAVE_WINDOWS_H and
HAVE_LONG_LONG.
- Added readline support for pcretest.
- Added an listing of the option settings after cmake has run.
4. A user submitted a patch to Makefile that makes it easy to create
"pcre.dll" under mingw when using Configure/Make. I added stuff to
Makefile.am that cause it to include this special target, without
affecting anything else. Note that the same mingw target plus all
the other distribution libraries and programs are now supported
when configuring with CMake (see 6 below) instead of with
Configure/Make.
5. Applied Craig's patch that moves no_arg into the RE class in the C++ code.
This is an attempt to solve the reported problem "pcrecpp::no_arg is not
exported in the Windows port". It has not yet been confirmed that the patch
solves the problem, but it does no harm.
6. Applied Sheri's patch to CMakeLists.txt to add NON_STANDARD_LIB_PREFIX and
NON_STANDARD_LIB_SUFFIX for dll names built with mingw when configured
with CMake, and also correct the comment about stack recursion.
7. Remove the automatic building of pcredemo from the ./configure system and
from CMakeLists.txt. The whole idea of pcredemo.c is that it is an example
of a program that users should build themselves after PCRE is installed, so
building it automatically is not really right. What is more, it gave
trouble in some build environments.
8. Further tidies to CMakeLists.txt from Sheri and Christian.
Version 7.5 10-Jan-08
---------------------
1. Applied a patch from Craig: "This patch makes it possible to 'ignore'
values in parens when parsing an RE using the C++ wrapper."
2. Negative specials like \S did not work in character classes in UTF-8 mode.
Characters greater than 255 were excluded from the class instead of being
included.
3. The same bug as (2) above applied to negated POSIX classes such as
[:^space:].
4. PCRECPP_STATIC was referenced in pcrecpp_internal.h, but nowhere was it
defined or documented. It seems to have been a typo for PCRE_STATIC, so
I have changed it.
5. The construct (?&) was not diagnosed as a syntax error (it referenced the
first named subpattern) and a construct such as (?&a) would reference the
first named subpattern whose name started with "a" (in other words, the
length check was missing). Both these problems are fixed. "Subpattern name
expected" is now given for (?&) (a zero-length name), and this patch also
makes it give the same error for \k'' (previously it complained that that
was a reference to a non-existent subpattern).
6. The erroneous patterns (?+-a) and (?-+a) give different error messages;
this is right because (?- can be followed by option settings as well as by
digits. I have, however, made the messages clearer.
7. Patterns such as (?(1)a|b) (a pattern that contains fewer subpatterns
than the number used in the conditional) now cause a compile-time error.
This is actually not compatible with Perl, which accepts such patterns, but
treats the conditional as always being FALSE (as PCRE used to), but it
seems to me that giving a diagnostic is better.
8. Change "alphameric" to the more common word "alphanumeric" in comments
and messages.
9. Fix two occurrences of "backslash" in comments that should have been
"backspace".
10. Remove two redundant lines of code that can never be obeyed (their function
was moved elsewhere).
11. The program that makes PCRE's Unicode character property table had a bug
which caused it to generate incorrect table entries for sequences of
characters that have the same character type, but are in different scripts.
It amalgamated them into a single range, with the script of the first of
them. In other words, some characters were in the wrong script. There were
thirteen such cases, affecting characters in the following ranges:
U+002b0 - U+002c1
U+0060c - U+0060d
U+0061e - U+00612
U+0064b - U+0065e
U+0074d - U+0076d
U+01800 - U+01805
U+01d00 - U+01d77
U+01d9b - U+01dbf
U+0200b - U+0200f
U+030fc - U+030fe
U+03260 - U+0327f
U+0fb46 - U+0fbb1
U+10450 - U+1049d
12. The -o option (show only the matching part of a line) for pcregrep was not
compatible with GNU grep in that, if there was more than one match in a
line, it showed only the first of them. It now behaves in the same way as
GNU grep.
13. If the -o and -v options were combined for pcregrep, it printed a blank
line for every non-matching line. GNU grep prints nothing, and pcregrep now
does the same. The return code can be used to tell if there were any
non-matching lines.
14. Added --file-offsets and --line-offsets to pcregrep.
15. The pattern (?=something)(?R) was not being diagnosed as a potentially
infinitely looping recursion. The bug was that positive lookaheads were not
being skipped when checking for a possible empty match (negative lookaheads
and both kinds of lookbehind were skipped).
16. Fixed two typos in the Windows-only code in pcregrep.c, and moved the
inclusion of <windows.h> to before rather than after the definition of
INVALID_FILE_ATTRIBUTES (patch from David Byron).
17. Specifying a possessive quantifier with a specific limit for a Unicode
character property caused pcre_compile() to compile bad code, which led at
runtime to PCRE_ERROR_INTERNAL (-14). Examples of patterns that caused this
are: /\p{Zl}{2,3}+/8 and /\p{Cc}{2}+/8. It was the possessive "+" that
caused the error; without that there was no problem.
18. Added --enable-pcregrep-libz and --enable-pcregrep-libbz2.
19. Added --enable-pcretest-libreadline.
20. In pcrecpp.cc, the variable 'count' was incremented twice in
RE::GlobalReplace(). As a result, the number of replacements returned was
double what it should be. I removed one of the increments, but Craig sent a
later patch that removed the other one (the right fix) and added unit tests
that check the return values (which was not done before).
21. Several CMake things:
(1) Arranged that, when cmake is used on Unix, the libraries end up with
the names libpcre and libpcreposix, not just pcre and pcreposix.
(2) The above change means that pcretest and pcregrep are now correctly
linked with the newly-built libraries, not previously installed ones.
(3) Added PCRE_SUPPORT_LIBREADLINE, PCRE_SUPPORT_LIBZ, PCRE_SUPPORT_LIBBZ2.
22. In UTF-8 mode, with newline set to "any", a pattern such as .*a.*=.b.*
crashed when matching a string such as a\x{2029}b (note that \x{2029} is a
UTF-8 newline character). The key issue is that the pattern starts .*;
this means that the match must be either at the beginning, or after a
newline. The bug was in the code for advancing after a failed match and
checking that the new position followed a newline. It was not taking
account of UTF-8 characters correctly.
23. PCRE was behaving differently from Perl in the way it recognized POSIX
character classes. PCRE was not treating the sequence [:...:] as a
character class unless the ... were all letters. Perl, however, seems to
allow any characters between [: and :], though of course it rejects as
unknown any "names" that contain non-letters, because all the known class
names consist only of letters. Thus, Perl gives an error for [[:1234:]],
for example, whereas PCRE did not - it did not recognize a POSIX character
class. This seemed a bit dangerous, so the code has been changed to be
closer to Perl. The behaviour is not identical to Perl, because PCRE will
diagnose an unknown class for, for example, [[:l\ower:]] where Perl will
treat it as [[:lower:]]. However, PCRE does now give "unknown" errors where
Perl does, and where it didn't before.
24. Rewrite so as to remove the single use of %n from pcregrep because in some
Windows environments %n is disabled by default.
Version 7.4 21-Sep-07
---------------------
1. Change 7.3/28 was implemented for classes by looking at the bitmap. This
means that a class such as [\s] counted as "explicit reference to CR or
LF". That isn't really right - the whole point of the change was to try to
help when there was an actual mention of one of the two characters. So now
the change happens only if \r or \n (or a literal CR or LF) character is
encountered.
2. The 32-bit options word was also used for 6 internal flags, but the numbers
of both had grown to the point where there were only 3 bits left.
Fortunately, there was spare space in the data structure, and so I have
moved the internal flags into a new 16-bit field to free up more option
bits.
3. The appearance of (?J) at the start of a pattern set the DUPNAMES option,
but did not set the internal JCHANGED flag - either of these is enough to
control the way the "get" function works - but the PCRE_INFO_JCHANGED
facility is supposed to tell if (?J) was ever used, so now (?J) at the
start sets both bits.
4. Added options (at build time, compile time, exec time) to change \R from
matching any Unicode line ending sequence to just matching CR, LF, or CRLF.
5. doc/pcresyntax.html was missing from the distribution.
6. Put back the definition of PCRE_ERROR_NULLWSLIMIT, for backward
compatibility, even though it is no longer used.
7. Added macro for snprintf to pcrecpp_unittest.cc and also for strtoll and
strtoull to pcrecpp.cc to select the available functions in WIN32 when the
windows.h file is present (where different names are used). [This was
reversed later after testing - see 16 below.]
8. Changed all #include <config.h> to #include "config.h". There were also
some further <pcre.h> cases that I changed to "pcre.h".
9. When pcregrep was used with the --colour option, it missed the line ending
sequence off the lines that it output.
10. It was pointed out to me that arrays of string pointers cause lots of
relocations when a shared library is dynamically loaded. A technique of
using a single long string with a table of offsets can drastically reduce
these. I have refactored PCRE in four places to do this. The result is
dramatic:
Originally: 290
After changing UCP table: 187
After changing error message table: 43
After changing table of "verbs" 36
After changing table of Posix names 22
Thanks to the folks working on Gregex for glib for this insight.
11. --disable-stack-for-recursion caused compiling to fail unless -enable-
unicode-properties was also set.
12. Updated the tests so that they work when \R is defaulted to ANYCRLF.
13. Added checks for ANY and ANYCRLF to pcrecpp.cc where it previously
checked only for CRLF.
14. Added casts to pcretest.c to avoid compiler warnings.
15. Added Craig's patch to various pcrecpp modules to avoid compiler warnings.
16. Added Craig's patch to remove the WINDOWS_H tests, that were not working,
and instead check for _strtoi64 explicitly, and avoid the use of snprintf()
entirely. This removes changes made in 7 above.
17. The CMake files have been updated, and there is now more information about
building with CMake in the NON-UNIX-USE document.
Version 7.3 28-Aug-07
---------------------
1. In the rejigging of the build system that eventually resulted in 7.1, the
line "#include <pcre.h>" was included in pcre_internal.h. The use of angle
brackets there is not right, since it causes compilers to look for an
installed pcre.h, not the version that is in the source that is being
compiled (which of course may be different). I have changed it back to:
#include "pcre.h"
I have a vague recollection that the change was concerned with compiling in
different directories, but in the new build system, that is taken care of
by the VPATH setting the Makefile.
2. The pattern .*$ when run in not-DOTALL UTF-8 mode with newline=any failed
when the subject happened to end in the byte 0x85 (e.g. if the last
character was \x{1ec5}). *Character* 0x85 is one of the "any" newline
characters but of course it shouldn't be taken as a newline when it is part
of another character. The bug was that, for an unlimited repeat of . in
not-DOTALL UTF-8 mode, PCRE was advancing by bytes rather than by
characters when looking for a newline.
3. A small performance improvement in the DOTALL UTF-8 mode .* case.
4. Debugging: adjusted the names of opcodes for different kinds of parentheses
in debug output.
5. Arrange to use "%I64d" instead of "%lld" and "%I64u" instead of "%llu" for
long printing in the pcrecpp unittest when running under MinGW.
6. ESC_K was left out of the EBCDIC table.
7. Change 7.0/38 introduced a new limit on the number of nested non-capturing
parentheses; I made it 1000, which seemed large enough. Unfortunately, the
limit also applies to "virtual nesting" when a pattern is recursive, and in
this case 1000 isn't so big. I have been able to remove this limit at the
expense of backing off one optimization in certain circumstances. Normally,
when pcre_exec() would call its internal match() function recursively and
immediately return the result unconditionally, it uses a "tail recursion"
feature to save stack. However, when a subpattern that can match an empty
string has an unlimited repetition quantifier, it no longer makes this
optimization. That gives it a stack frame in which to save the data for
checking that an empty string has been matched. Previously this was taken
from the 1000-entry workspace that had been reserved. So now there is no
explicit limit, but more stack is used.
8. Applied Daniel's patches to solve problems with the import/export magic
syntax that is required for Windows, and which was going wrong for the
pcreposix and pcrecpp parts of the library. These were overlooked when this
problem was solved for the main library.
9. There were some crude static tests to avoid integer overflow when computing
the size of patterns that contain repeated groups with explicit upper
limits. As the maximum quantifier is 65535, the maximum group length was
set at 30,000 so that the product of these two numbers did not overflow a
32-bit integer. However, it turns out that people want to use groups that
are longer than 30,000 bytes (though not repeat them that many times).
Change 7.0/17 (the refactoring of the way the pattern size is computed) has
made it possible to implement the integer overflow checks in a much more
dynamic way, which I have now done. The artificial limitation on group
length has been removed - we now have only the limit on the total length of
the compiled pattern, which depends on the LINK_SIZE setting.
10. Fixed a bug in the documentation for get/copy named substring when
duplicate names are permitted. If none of the named substrings are set, the
functions return PCRE_ERROR_NOSUBSTRING (7); the doc said they returned an
empty string.
11. Because Perl interprets \Q...\E at a high level, and ignores orphan \E
instances, patterns such as [\Q\E] or [\E] or even [^\E] cause an error,
because the ] is interpreted as the first data character and the
terminating ] is not found. PCRE has been made compatible with Perl in this
regard. Previously, it interpreted [\Q\E] as an empty class, and [\E] could
cause memory overwriting.
10. Like Perl, PCRE automatically breaks an unlimited repeat after an empty
string has been matched (to stop an infinite loop). It was not recognizing
a conditional subpattern that could match an empty string if that
subpattern was within another subpattern. For example, it looped when
trying to match (((?(1)X|))*) but it was OK with ((?(1)X|)*) where the
condition was not nested. This bug has been fixed.
12. A pattern like \X?\d or \P{L}?\d in non-UTF-8 mode could cause a backtrack
past the start of the subject in the presence of bytes with the top bit
set, for example "\x8aBCD".
13. Added Perl 5.10 experimental backtracking controls (*FAIL), (*F), (*PRUNE),
(*SKIP), (*THEN), (*COMMIT), and (*ACCEPT).
14. Optimized (?!) to (*FAIL).
15. Updated the test for a valid UTF-8 string to conform to the later RFC 3629.
This restricts code points to be within the range 0 to 0x10FFFF, excluding
the "low surrogate" sequence 0xD800 to 0xDFFF. Previously, PCRE allowed the
full range 0 to 0x7FFFFFFF, as defined by RFC 2279. Internally, it still
does: it's just the validity check that is more restrictive.
16. Inserted checks for integer overflows during escape sequence (backslash)
processing, and also fixed erroneous offset values for syntax errors during
backslash processing.
17. Fixed another case of looking too far back in non-UTF-8 mode (cf 12 above)
for patterns like [\PPP\x8a]{1,}\x80 with the subject "A\x80".
18. An unterminated class in a pattern like (?1)\c[ with a "forward reference"
caused an overrun.
19. A pattern like (?:[\PPa*]*){8,} which had an "extended class" (one with
something other than just ASCII characters) inside a group that had an
unlimited repeat caused a loop at compile time (while checking to see
whether the group could match an empty string).
20. Debugging a pattern containing \p or \P could cause a crash. For example,
[\P{Any}] did so. (Error in the code for printing property names.)
21. An orphan \E inside a character class could cause a crash.
22. A repeated capturing bracket such as (A)? could cause a wild memory
reference during compilation.
23. There are several functions in pcre_compile() that scan along a compiled
expression for various reasons (e.g. to see if it's fixed length for look
behind). There were bugs in these functions when a repeated \p or \P was
present in the pattern. These operators have additional parameters compared
with \d, etc, and these were not being taken into account when moving along
the compiled data. Specifically:
(a) A item such as \p{Yi}{3} in a lookbehind was not treated as fixed
length.
(b) An item such as \pL+ within a repeated group could cause crashes or
loops.
(c) A pattern such as \p{Yi}+(\P{Yi}+)(?1) could give an incorrect
"reference to non-existent subpattern" error.
(d) A pattern like (\P{Yi}{2}\277)? could loop at compile time.
24. A repeated \S or \W in UTF-8 mode could give wrong answers when multibyte
characters were involved (for example /\S{2}/8g with "A\x{a3}BC").
25. Using pcregrep in multiline, inverted mode (-Mv) caused it to loop.
26. Patterns such as [\P{Yi}A] which include \p or \P and just one other
character were causing crashes (broken optimization).
27. Patterns such as (\P{Yi}*\277)* (group with possible zero repeat containing
\p or \P) caused a compile-time loop.
28. More problems have arisen in unanchored patterns when CRLF is a valid line
break. For example, the unstudied pattern [\r\n]A does not match the string
"\r\nA" because change 7.0/46 below moves the current point on by two
characters after failing to match at the start. However, the pattern \nA
*does* match, because it doesn't start till \n, and if [\r\n]A is studied,
the same is true. There doesn't seem any very clean way out of this, but
what I have chosen to do makes the common cases work: PCRE now takes note
of whether there can be an explicit match for \r or \n anywhere in the
pattern, and if so, 7.0/46 no longer applies. As part of this change,
there's a new PCRE_INFO_HASCRORLF option for finding out whether a compiled
pattern has explicit CR or LF references.
29. Added (*CR) etc for changing newline setting at start of pattern.
Version 7.2 19-Jun-07
---------------------
1. If the fr_FR locale cannot be found for test 3, try the "french" locale,
which is apparently normally available under Windows.
2. Re-jig the pcregrep tests with different newline settings in an attempt
to make them independent of the local environment's newline setting.
3. Add code to configure.ac to remove -g from the CFLAGS default settings.
4. Some of the "internals" tests were previously cut out when the link size
was not 2, because the output contained actual offsets. The recent new
"Z" feature of pcretest means that these can be cut out, making the tests
usable with all link sizes.
5. Implemented Stan Switzer's goto replacement for longjmp() when not using
stack recursion. This gives a massive performance boost under BSD, but just
a small improvement under Linux. However, it saves one field in the frame
in all cases.
6. Added more features from the forthcoming Perl 5.10:
(a) (?-n) (where n is a string of digits) is a relative subroutine or
recursion call. It refers to the nth most recently opened parentheses.
(b) (?+n) is also a relative subroutine call; it refers to the nth next
to be opened parentheses.
(c) Conditions that refer to capturing parentheses can be specified
relatively, for example, (?(-2)... or (?(+3)...
(d) \K resets the start of the current match so that everything before
is not part of it.
(e) \k{name} is synonymous with \k<name> and \k'name' (.NET compatible).
(f) \g{name} is another synonym - part of Perl 5.10's unification of
reference syntax.
(g) (?| introduces a group in which the numbering of parentheses in each
alternative starts with the same number.
(h) \h, \H, \v, and \V match horizontal and vertical whitespace.
7. Added two new calls to pcre_fullinfo(): PCRE_INFO_OKPARTIAL and
PCRE_INFO_JCHANGED.
8. A pattern such as (.*(.)?)* caused pcre_exec() to fail by either not
terminating or by crashing. Diagnosed by Viktor Griph; it was in the code
for detecting groups that can match an empty string.
9. A pattern with a very large number of alternatives (more than several
hundred) was running out of internal workspace during the pre-compile
phase, where pcre_compile() figures out how much memory will be needed. A
bit of new cunning has reduced the workspace needed for groups with
alternatives. The 1000-alternative test pattern now uses 12 bytes of
workspace instead of running out of the 4096 that are available.
10. Inserted some missing (unsigned int) casts to get rid of compiler warnings.
11. Applied patch from Google to remove an optimization that didn't quite work.
The report of the bug said:
pcrecpp::RE("a*").FullMatch("aaa") matches, while
pcrecpp::RE("a*?").FullMatch("aaa") does not, and
pcrecpp::RE("a*?\\z").FullMatch("aaa") does again.
12. If \p or \P was used in non-UTF-8 mode on a character greater than 127
it matched the wrong number of bytes.
Version 7.1 24-Apr-07
---------------------
1. Applied Bob Rossi and Daniel G's patches to convert the build system to one
that is more "standard", making use of automake and other Autotools. There
is some re-arrangement of the files and adjustment of comments consequent
on this.
2. Part of the patch fixed a problem with the pcregrep tests. The test of -r
for recursive directory scanning broke on some systems because the files
are not scanned in any specific order and on different systems the order
was different. A call to "sort" has been inserted into RunGrepTest for the
approprate test as a short-term fix. In the longer term there may be an
alternative.
3. I had an email from Eric Raymond about problems translating some of PCRE's
man pages to HTML (despite the fact that I distribute HTML pages, some
people do their own conversions for various reasons). The problems
concerned the use of low-level troff macros .br and .in. I have therefore
removed all such uses from the man pages (some were redundant, some could
be replaced by .nf/.fi pairs). The 132html script that I use to generate
HTML has been updated to handle .nf/.fi and to complain if it encounters
.br or .in.
4. Updated comments in configure.ac that get placed in config.h.in and also
arranged for config.h to be included in the distribution, with the name
config.h.generic, for the benefit of those who have to compile without
Autotools (compare pcre.h, which is now distributed as pcre.h.generic).
5. Updated the support (such as it is) for Virtual Pascal, thanks to Stefan
Weber: (1) pcre_internal.h was missing some function renames; (2) updated
makevp.bat for the current PCRE, using the additional files
makevp_c.txt, makevp_l.txt, and pcregexp.pas.
6. A Windows user reported a minor discrepancy with test 2, which turned out
to be caused by a trailing space on an input line that had got lost in his
copy. The trailing space was an accident, so I've just removed it.
7. Add -Wl,-R... flags in pcre-config.in for *BSD* systems, as I'm told
that is needed.
8. Mark ucp_table (in ucptable.h) and ucp_gentype (in pcre_ucp_searchfuncs.c)
as "const" (a) because they are and (b) because it helps the PHP
maintainers who have recently made a script to detect big data structures
in the php code that should be moved to the .rodata section. I remembered
to update Builducptable as well, so it won't revert if ucptable.h is ever
re-created.
9. Added some extra #ifdef SUPPORT_UTF8 conditionals into pcretest.c,
pcre_printint.src, pcre_compile.c, pcre_study.c, and pcre_tables.c, in
order to be able to cut out the UTF-8 tables in the latter when UTF-8
support is not required. This saves 1.5-2K of code, which is important in
some applications.
Later: more #ifdefs are needed in pcre_ord2utf8.c and pcre_valid_utf8.c
so as not to refer to the tables, even though these functions will never be
called when UTF-8 support is disabled. Otherwise there are problems with a
shared library.
10. Fixed two bugs in the emulated memmove() function in pcre_internal.h:
(a) It was defining its arguments as char * instead of void *.
(b) It was assuming that all moves were upwards in memory; this was true
a long time ago when I wrote it, but is no longer the case.
The emulated memove() is provided for those environments that have neither
memmove() nor bcopy(). I didn't think anyone used it these days, but that
is clearly not the case, as these two bugs were recently reported.
11. The script PrepareRelease is now distributed: it calls 132html, CleanTxt,
and Detrail to create the HTML documentation, the .txt form of the man
pages, and it removes trailing spaces from listed files. It also creates
pcre.h.generic and config.h.generic from pcre.h and config.h. In the latter
case, it wraps all the #defines with #ifndefs. This script should be run
before "make dist".
12. Fixed two fairly obscure bugs concerned with quantified caseless matching
with Unicode property support.
(a) For a maximizing quantifier, if the two different cases of the
character were of different lengths in their UTF-8 codings (there are
some cases like this - I found 11), and the matching function had to
back up over a mixture of the two cases, it incorrectly assumed they
were both the same length.
(b) When PCRE was configured to use the heap rather than the stack for
recursion during matching, it was not correctly preserving the data for
the other case of a UTF-8 character when checking ahead for a match
while processing a minimizing repeat. If the check also involved
matching a wide character, but failed, corruption could cause an
erroneous result when trying to check for a repeat of the original
character.
13. Some tidying changes to the testing mechanism:
(a) The RunTest script now detects the internal link size and whether there
is UTF-8 and UCP support by running ./pcretest -C instead of relying on
values substituted by "configure". (The RunGrepTest script already did
this for UTF-8.) The configure.ac script no longer substitutes the
relevant variables.
(b) The debugging options /B and /D in pcretest show the compiled bytecode
with length and offset values. This means that the output is different
for different internal link sizes. Test 2 is skipped for link sizes
other than 2 because of this, bypassing the problem. Unfortunately,
there was also a test in test 3 (the locale tests) that used /B and
failed for link sizes other than 2. Rather than cut the whole test out,
I have added a new /Z option to pcretest that replaces the length and
offset values with spaces. This is now used to make test 3 independent
of link size. (Test 2 will be tidied up later.)
14. If erroroffset was passed as NULL to pcre_compile, it provoked a
segmentation fault instead of returning the appropriate error message.
15. In multiline mode when the newline sequence was set to "any", the pattern
^$ would give a match between the \r and \n of a subject such as "A\r\nB".
This doesn't seem right; it now treats the CRLF combination as the line
ending, and so does not match in that case. It's only a pattern such as ^$
that would hit this one: something like ^ABC$ would have failed after \r
and then tried again after \r\n.
16. Changed the comparison command for RunGrepTest from "diff -u" to "diff -ub"
in an attempt to make files that differ only in their line terminators
compare equal. This works on Linux.
17. Under certain error circumstances pcregrep might try to free random memory
as it exited. This is now fixed, thanks to valgrind.
19. In pcretest, if the pattern /(?m)^$/g<any> was matched against the string
"abc\r\n\r\n", it found an unwanted second match after the second \r. This
was because its rules for how to advance for /g after matching an empty
string at the end of a line did not allow for this case. They now check for
it specially.
20. pcretest is supposed to handle patterns and data of any length, by
extending its buffers when necessary. It was getting this wrong when the
buffer for a data line had to be extended.
21. Added PCRE_NEWLINE_ANYCRLF which is like ANY, but matches only CR, LF, or
CRLF as a newline sequence.
22. Code for handling Unicode properties in pcre_dfa_exec() wasn't being cut
out by #ifdef SUPPORT_UCP. This did no harm, as it could never be used, but
I have nevertheless tidied it up.
23. Added some casts to kill warnings from HP-UX ia64 compiler.
24. Added a man page for pcre-config.
Version 7.0 19-Dec-06
---------------------
1. Fixed a signed/unsigned compiler warning in pcre_compile.c, shown up by
moving to gcc 4.1.1.
2. The -S option for pcretest uses setrlimit(); I had omitted to #include
sys/time.h, which is documented as needed for this function. It doesn't
seem to matter on Linux, but it showed up on some releases of OS X.
3. It seems that there are systems where bytes whose values are greater than
127 match isprint() in the "C" locale. The "C" locale should be the
default when a C program starts up. In most systems, only ASCII printing
characters match isprint(). This difference caused the output from pcretest
to vary, making some of the tests fail. I have changed pcretest so that:
(a) When it is outputting text in the compiled version of a pattern, bytes
other than 32-126 are always shown as hex escapes.
(b) When it is outputting text that is a matched part of a subject string,
it does the same, unless a different locale has been set for the match
(using the /L modifier). In this case, it uses isprint() to decide.
4. Fixed a major bug that caused incorrect computation of the amount of memory
required for a compiled pattern when options that changed within the
pattern affected the logic of the preliminary scan that determines the
length. The relevant options are -x, and -i in UTF-8 mode. The result was
that the computed length was too small. The symptoms of this bug were
either the PCRE error "internal error: code overflow" from pcre_compile(),
or a glibc crash with a message such as "pcretest: free(): invalid next
size (fast)". Examples of patterns that provoked this bug (shown in
pcretest format) are:
/(?-x: )/x
/(?x)(?-x: \s*#\s*)/
/((?i)[\x{c0}])/8
/(?i:[\x{c0}])/8
HOWEVER: Change 17 below makes this fix obsolete as the memory computation
is now done differently.
5. Applied patches from Google to: (a) add a QuoteMeta function to the C++
wrapper classes; (b) implement a new function in the C++ scanner that is
more efficient than the old way of doing things because it avoids levels of
recursion in the regex matching; (c) add a paragraph to the documentation
for the FullMatch() function.
6. The escape sequence \n was being treated as whatever was defined as
"newline". Not only was this contrary to the documentation, which states
that \n is character 10 (hex 0A), but it also went horribly wrong when
"newline" was defined as CRLF. This has been fixed.
7. In pcre_dfa_exec.c the value of an unsigned integer (the variable called c)
was being set to -1 for the "end of line" case (supposedly a value that no
character can have). Though this value is never used (the check for end of
line is "zero bytes in current character"), it caused compiler complaints.
I've changed it to 0xffffffff.
8. In pcre_version.c, the version string was being built by a sequence of
C macros that, in the event of PCRE_PRERELEASE being defined as an empty
string (as it is for production releases) called a macro with an empty
argument. The C standard says the result of this is undefined. The gcc
compiler treats it as an empty string (which was what was wanted) but it is
reported that Visual C gives an error. The source has been hacked around to
avoid this problem.
9. On the advice of a Windows user, included <io.h> and <fcntl.h> in Windows
builds of pcretest, and changed the call to _setmode() to use _O_BINARY
instead of 0x8000. Made all the #ifdefs test both _WIN32 and WIN32 (not all
of them did).
10. Originally, pcretest opened its input and output without "b"; then I was
told that "b" was needed in some environments, so it was added for release
5.0 to both the input and output. (It makes no difference on Unix-like
systems.) Later I was told that it is wrong for the input on Windows. I've
now abstracted the modes into two macros, to make it easier to fiddle with
them, and removed "b" from the input mode under Windows.
11. Added pkgconfig support for the C++ wrapper library, libpcrecpp.
12. Added -help and --help to pcretest as an official way of being reminded
of the options.
13. Removed some redundant semicolons after macro calls in pcrecpparg.h.in
and pcrecpp.cc because they annoy compilers at high warning levels.
14. A bit of tidying/refactoring in pcre_exec.c in the main bumpalong loop.
15. Fixed an occurrence of == in configure.ac that should have been = (shell
scripts are not C programs :-) and which was not noticed because it works
on Linux.
16. pcretest is supposed to handle any length of pattern and data line (as one
line or as a continued sequence of lines) by extending its input buffer if
necessary. This feature was broken for very long pattern lines, leading to
a string of junk being passed to pcre_compile() if the pattern was longer
than about 50K.
17. I have done a major re-factoring of the way pcre_compile() computes the
amount of memory needed for a compiled pattern. Previously, there was code
that made a preliminary scan of the pattern in order to do this. That was
OK when PCRE was new, but as the facilities have expanded, it has become
harder and harder to keep it in step with the real compile phase, and there
have been a number of bugs (see for example, 4 above). I have now found a
cunning way of running the real compile function in a "fake" mode that
enables it to compute how much memory it would need, while actually only
ever using a few hundred bytes of working memory and without too many
tests of the mode. This should make future maintenance and development
easier. A side effect of this work is that the limit of 200 on the nesting
depth of parentheses has been removed (though this was never a serious
limitation, I suspect). However, there is a downside: pcre_compile() now
runs more slowly than before (30% or more, depending on the pattern). I
hope this isn't a big issue. There is no effect on runtime performance.
18. Fixed a minor bug in pcretest: if a pattern line was not terminated by a
newline (only possible for the last line of a file) and it was a
pattern that set a locale (followed by /Lsomething), pcretest crashed.
19. Added additional timing features to pcretest. (1) The -tm option now times
matching only, not compiling. (2) Both -t and -tm can be followed, as a
separate command line item, by a number that specifies the number of
repeats to use when timing. The default is 50000; this gives better
precision, but takes uncomfortably long for very large patterns.
20. Extended pcre_study() to be more clever in cases where a branch of a
subpattern has no definite first character. For example, (a*|b*)[cd] would
previously give no result from pcre_study(). Now it recognizes that the
first character must be a, b, c, or d.
21. There was an incorrect error "recursive call could loop indefinitely" if
a subpattern (or the entire pattern) that was being tested for matching an
empty string contained only one non-empty item after a nested subpattern.
For example, the pattern (?>\x{100}*)\d(?R) provoked this error
incorrectly, because the \d was being skipped in the check.
22. The pcretest program now has a new pattern option /B and a command line
option -b, which is equivalent to adding /B to every pattern. This causes
it to show the compiled bytecode, without the additional information that
-d shows. The effect of -d is now the same as -b with -i (and similarly, /D
is the same as /B/I).
23. A new optimization is now able automatically to treat some sequences such
as a*b as a*+b. More specifically, if something simple (such as a character
or a simple class like \d) has an unlimited quantifier, and is followed by
something that cannot possibly match the quantified thing, the quantifier
is automatically "possessified".
24. A recursive reference to a subpattern whose number was greater than 39
went wrong under certain circumstances in UTF-8 mode. This bug could also
have affected the operation of pcre_study().
25. Realized that a little bit of performance could be had by replacing
(c & 0xc0) == 0xc0 with c >= 0xc0 when processing UTF-8 characters.
26. Timing data from pcretest is now shown to 4 decimal places instead of 3.
27. Possessive quantifiers such as a++ were previously implemented by turning
them into atomic groups such as ($>a+). Now they have their own opcodes,
which improves performance. This includes the automatically created ones
from 23 above.
28. A pattern such as (?=(\w+))\1: which simulates an atomic group using a
lookahead was broken if it was not anchored. PCRE was mistakenly expecting
the first matched character to be a colon. This applied both to named and
numbered groups.
29. The ucpinternal.h header file was missing its idempotency #ifdef.
30. I was sent a "project" file called libpcre.a.dev which I understand makes
building PCRE on Windows easier, so I have included it in the distribution.
31. There is now a check in pcretest against a ridiculously large number being
returned by pcre_exec() or pcre_dfa_exec(). If this happens in a /g or /G
loop, the loop is abandoned.
32. Forward references to subpatterns in conditions such as (?(2)...) where
subpattern 2 is defined later cause pcre_compile() to search forwards in
the pattern for the relevant set of parentheses. This search went wrong
when there were unescaped parentheses in a character class, parentheses
escaped with \Q...\E, or parentheses in a #-comment in /x mode.
33. "Subroutine" calls and backreferences were previously restricted to
referencing subpatterns earlier in the regex. This restriction has now
been removed.
34. Added a number of extra features that are going to be in Perl 5.10. On the
whole, these are just syntactic alternatives for features that PCRE had
previously implemented using the Python syntax or my own invention. The
other formats are all retained for compatibility.
(a) Named groups can now be defined as (?<name>...) or (?'name'...) as well
as (?P<name>...). The new forms, as well as being in Perl 5.10, are
also .NET compatible.
(b) A recursion or subroutine call to a named group can now be defined as
(?&name) as well as (?P>name).
(c) A backreference to a named group can now be defined as \k<name> or
\k'name' as well as (?P=name). The new forms, as well as being in Perl
5.10, are also .NET compatible.
(d) A conditional reference to a named group can now use the syntax
(?(<name>) or (?('name') as well as (?(name).
(e) A "conditional group" of the form (?(DEFINE)...) can be used to define
groups (named and numbered) that are never evaluated inline, but can be
called as "subroutines" from elsewhere. In effect, the DEFINE condition
is always false. There may be only one alternative in such a group.
(f) A test for recursion can be given as (?(R1).. or (?(R&name)... as well
as the simple (?(R). The condition is true only if the most recent
recursion is that of the given number or name. It does not search out
through the entire recursion stack.
(g) The escape \gN or \g{N} has been added, where N is a positive or
negative number, specifying an absolute or relative reference.
35. Tidied to get rid of some further signed/unsigned compiler warnings and
some "unreachable code" warnings.
36. Updated the Unicode property tables to Unicode version 5.0.0. Amongst other
things, this adds five new scripts.
37. Perl ignores orphaned \E escapes completely. PCRE now does the same.
There were also incompatibilities regarding the handling of \Q..\E inside
character classes, for example with patterns like [\Qa\E-\Qz\E] where the
hyphen was adjacent to \Q or \E. I hope I've cleared all this up now.
38. Like Perl, PCRE detects when an indefinitely repeated parenthesized group
matches an empty string, and forcibly breaks the loop. There were bugs in
this code in non-simple cases. For a pattern such as ^(a()*)* matched
against aaaa the result was just "a" rather than "aaaa", for example. Two
separate and independent bugs (that affected different cases) have been
fixed.
39. Refactored the code to abolish the use of different opcodes for small
capturing bracket numbers. This is a tidy that I avoided doing when I
removed the limit on the number of capturing brackets for 3.5 back in 2001.
The new approach is not only tidier, it makes it possible to reduce the
memory needed to fix the previous bug (38).
40. Implemented PCRE_NEWLINE_ANY to recognize any of the Unicode newline
sequences (http://unicode.org/unicode/reports/tr18/) as "newline" when
processing dot, circumflex, or dollar metacharacters, or #-comments in /x
mode.
41. Add \R to match any Unicode newline sequence, as suggested in the Unicode
report.
42. Applied patch, originally from Ari Pollak, modified by Google, to allow
copy construction and assignment in the C++ wrapper.
43. Updated pcregrep to support "--newline=any". In the process, I fixed a
couple of bugs that could have given wrong results in the "--newline=crlf"
case.
44. Added a number of casts and did some reorganization of signed/unsigned int
variables following suggestions from Dair Grant. Also renamed the variable
"this" as "item" because it is a C++ keyword.
45. Arranged for dftables to add
#include "pcre_internal.h"
to pcre_chartables.c because without it, gcc 4.x may remove the array
definition from the final binary if PCRE is built into a static library and
dead code stripping is activated.
46. For an unanchored pattern, if a match attempt fails at the start of a
newline sequence, and the newline setting is CRLF or ANY, and the next two
characters are CRLF, advance by two characters instead of one.
Version 6.7 04-Jul-06
---------------------
1. In order to handle tests when input lines are enormously long, pcretest has
been re-factored so that it automatically extends its buffers when
necessary. The code is crude, but this _is_ just a test program. The
default size has been increased from 32K to 50K.
2. The code in pcre_study() was using the value of the re argument before
testing it for NULL. (Of course, in any sensible call of the function, it
won't be NULL.)
3. The memmove() emulation function in pcre_internal.h, which is used on
systems that lack both memmove() and bcopy() - that is, hardly ever -
was missing a "static" storage class specifier.
4. When UTF-8 mode was not set, PCRE looped when compiling certain patterns
containing an extended class (one that cannot be represented by a bitmap
because it contains high-valued characters or Unicode property items, e.g.
[\pZ]). Almost always one would set UTF-8 mode when processing such a
pattern, but PCRE should not loop if you do not (it no longer does).
[Detail: two cases were found: (a) a repeated subpattern containing an
extended class; (b) a recursive reference to a subpattern that followed a
previous extended class. It wasn't skipping over the extended class
correctly when UTF-8 mode was not set.]
5. A negated single-character class was not being recognized as fixed-length
in lookbehind assertions such as (?<=[^f]), leading to an incorrect
compile error "lookbehind assertion is not fixed length".
6. The RunPerlTest auxiliary script was showing an unexpected difference
between PCRE and Perl for UTF-8 tests. It turns out that it is hard to
write a Perl script that can interpret lines of an input file either as
byte characters or as UTF-8, which is what "perltest" was being required to
do for the non-UTF-8 and UTF-8 tests, respectively. Essentially what you
can't do is switch easily at run time between having the "use utf8;" pragma
or not. In the end, I fudged it by using the RunPerlTest script to insert
"use utf8;" explicitly for the UTF-8 tests.
7. In multiline (/m) mode, PCRE was matching ^ after a terminating newline at
the end of the subject string, contrary to the documentation and to what
Perl does. This was true of both matching functions. Now it matches only at
the start of the subject and immediately after *internal* newlines.
8. A call of pcre_fullinfo() from pcretest to get the option bits was passing
a pointer to an int instead of a pointer to an unsigned long int. This
caused problems on 64-bit systems.
9. Applied a patch from the folks at Google to pcrecpp.cc, to fix "another
instance of the 'standard' template library not being so standard".
10. There was no check on the number of named subpatterns nor the maximum
length of a subpattern name. The product of these values is used to compute
the size of the memory block for a compiled pattern. By supplying a very
long subpattern name and a large number of named subpatterns, the size
computation could be caused to overflow. This is now prevented by limiting
the length of names to 32 characters, and the number of named subpatterns
to 10,000.
11. Subpatterns that are repeated with specific counts have to be replicated in
the compiled pattern. The size of memory for this was computed from the
length of the subpattern and the repeat count. The latter is limited to
65535, but there was no limit on the former, meaning that integer overflow
could in principle occur. The compiled length of a repeated subpattern is
now limited to 30,000 bytes in order to prevent this.
12. Added the optional facility to have named substrings with the same name.
13. Added the ability to use a named substring as a condition, using the
Python syntax: (?(name)yes|no). This overloads (?(R)... and names that
are numbers (not recommended). Forward references are permitted.
14. Added forward references in named backreferences (if you see what I mean).
15. In UTF-8 mode, with the PCRE_DOTALL option set, a quantified dot in the
pattern could run off the end of the subject. For example, the pattern
"(?s)(.{1,5})"8 did this with the subject "ab".
16. If PCRE_DOTALL or PCRE_MULTILINE were set, pcre_dfa_exec() behaved as if
PCRE_CASELESS was set when matching characters that were quantified with ?
or *.
17. A character class other than a single negated character that had a minimum
but no maximum quantifier - for example [ab]{6,} - was not handled
correctly by pce_dfa_exec(). It would match only one character.
18. A valid (though odd) pattern that looked like a POSIX character
class but used an invalid character after [ (for example [[,abc,]]) caused
pcre_compile() to give the error "Failed: internal error: code overflow" or
in some cases to crash with a glibc free() error. This could even happen if
the pattern terminated after [[ but there just happened to be a sequence of
letters, a binary zero, and a closing ] in the memory that followed.
19. Perl's treatment of octal escapes in the range \400 to \777 has changed
over the years. Originally (before any Unicode support), just the bottom 8
bits were taken. Thus, for example, \500 really meant \100. Nowadays the
output from "man perlunicode" includes this:
The regular expression compiler produces polymorphic opcodes. That
is, the pattern adapts to the data and automatically switches to
the Unicode character scheme when presented with Unicode data--or
instead uses a traditional byte scheme when presented with byte
data.
Sadly, a wide octal escape does not cause a switch, and in a string with
no other multibyte characters, these octal escapes are treated as before.
Thus, in Perl, the pattern /\500/ actually matches \100 but the pattern
/\500|\x{1ff}/ matches \500 or \777 because the whole thing is treated as a
Unicode string.
I have not perpetrated such confusion in PCRE. Up till now, it took just
the bottom 8 bits, as in old Perl. I have now made octal escapes with
values greater than \377 illegal in non-UTF-8 mode. In UTF-8 mode they
translate to the appropriate multibyte character.
29. Applied some refactoring to reduce the number of warnings from Microsoft
and Borland compilers. This has included removing the fudge introduced
seven years ago for the OS/2 compiler (see 2.02/2 below) because it caused
a warning about an unused variable.
21. PCRE has not included VT (character 0x0b) in the set of whitespace
characters since release 4.0, because Perl (from release 5.004) does not.
[Or at least, is documented not to: some releases seem to be in conflict
with the documentation.] However, when a pattern was studied with
pcre_study() and all its branches started with \s, PCRE still included VT
as a possible starting character. Of course, this did no harm; it just
caused an unnecessary match attempt.
22. Removed a now-redundant internal flag bit that recorded the fact that case
dependency changed within the pattern. This was once needed for "required
byte" processing, but is no longer used. This recovers a now-scarce options
bit. Also moved the least significant internal flag bit to the most-
significant bit of the word, which was not previously used (hangover from
the days when it was an int rather than a uint) to free up another bit for
the future.
23. Added support for CRLF line endings as well as CR and LF. As well as the
default being selectable at build time, it can now be changed at runtime
via the PCRE_NEWLINE_xxx flags. There are now options for pcregrep to
specify that it is scanning data with non-default line endings.
24. Changed the definition of CXXLINK to make it agree with the definition of
LINK in the Makefile, by replacing LDFLAGS to CXXFLAGS.
25. Applied Ian Taylor's patches to avoid using another stack frame for tail
recursions. This makes a big different to stack usage for some patterns.
26. If a subpattern containing a named recursion or subroutine reference such
as (?P>B) was quantified, for example (xxx(?P>B)){3}, the calculation of
the space required for the compiled pattern went wrong and gave too small a
value. Depending on the environment, this could lead to "Failed: internal
error: code overflow at offset 49" or "glibc detected double free or
corruption" errors.
27. Applied patches from Google (a) to support the new newline modes and (b) to
advance over multibyte UTF-8 characters in GlobalReplace.
28. Change free() to pcre_free() in pcredemo.c. Apparently this makes a
difference for some implementation of PCRE in some Windows version.
29. Added some extra testing facilities to pcretest:
\q<number> in a data line sets the "match limit" value
\Q<number> in a data line sets the "match recursion limt" value
-S <number> sets the stack size, where <number> is in megabytes
The -S option isn't available for Windows.
Version 6.6 06-Feb-06
---------------------
1. Change 16(a) for 6.5 broke things, because PCRE_DATA_SCOPE was not defined
in pcreposix.h. I have copied the definition from pcre.h.
2. Change 25 for 6.5 broke compilation in a build directory out-of-tree
because pcre.h is no longer a built file.
3. Added Jeff Friedl's additional debugging patches to pcregrep. These are
not normally included in the compiled code.
Version 6.5 01-Feb-06
---------------------
1. When using the partial match feature with pcre_dfa_exec(), it was not
anchoring the second and subsequent partial matches at the new starting
point. This could lead to incorrect results. For example, with the pattern
/1234/, partially matching against "123" and then "a4" gave a match.
2. Changes to pcregrep:
(a) All non-match returns from pcre_exec() were being treated as failures
to match the line. Now, unless the error is PCRE_ERROR_NOMATCH, an
error message is output. Some extra information is given for the
PCRE_ERROR_MATCHLIMIT and PCRE_ERROR_RECURSIONLIMIT errors, which are
probably the only errors that are likely to be caused by users (by
specifying a regex that has nested indefinite repeats, for instance).
If there are more than 20 of these errors, pcregrep is abandoned.
(b) A binary zero was treated as data while matching, but terminated the
output line if it was written out. This has been fixed: binary zeroes
are now no different to any other data bytes.
(c) Whichever of the LC_ALL or LC_CTYPE environment variables is set is
used to set a locale for matching. The --locale=xxxx long option has
been added (no short equivalent) to specify a locale explicitly on the
pcregrep command, overriding the environment variables.
(d) When -B was used with -n, some line numbers in the output were one less
than they should have been.
(e) Added the -o (--only-matching) option.
(f) If -A or -C was used with -c (count only), some lines of context were
accidentally printed for the final match.
(g) Added the -H (--with-filename) option.
(h) The combination of options -rh failed to suppress file names for files
that were found from directory arguments.
(i) Added the -D (--devices) and -d (--directories) options.
(j) Added the -F (--fixed-strings) option.
(k) Allow "-" to be used as a file name for -f as well as for a data file.
(l) Added the --colo(u)r option.
(m) Added Jeffrey Friedl's -S testing option, but within #ifdefs so that it
is not present by default.
3. A nasty bug was discovered in the handling of recursive patterns, that is,
items such as (?R) or (?1), when the recursion could match a number of
alternatives. If it matched one of the alternatives, but subsequently,
outside the recursion, there was a failure, the code tried to back up into
the recursion. However, because of the way PCRE is implemented, this is not
possible, and the result was an incorrect result from the match.
In order to prevent this happening, the specification of recursion has
been changed so that all such subpatterns are automatically treated as
atomic groups. Thus, for example, (?R) is treated as if it were (?>(?R)).
4. I had overlooked the fact that, in some locales, there are characters for
which isalpha() is true but neither isupper() nor islower() are true. In
the fr_FR locale, for instance, the \xAA and \xBA characters (ordmasculine
and ordfeminine) are like this. This affected the treatment of \w and \W
when they appeared in character classes, but not when they appeared outside
a character class. The bit map for "word" characters is now created
separately from the results of isalnum() instead of just taking it from the
upper, lower, and digit maps. (Plus the underscore character, of course.)
5. The above bug also affected the handling of POSIX character classes such as
[[:alpha:]] and [[:alnum:]]. These do not have their own bit maps in PCRE's
permanent tables. Instead, the bit maps for such a class were previously
created as the appropriate unions of the upper, lower, and digit bitmaps.
Now they are created by subtraction from the [[:word:]] class, which has
its own bitmap.
6. The [[:blank:]] character class matches horizontal, but not vertical space.
It is created by subtracting the vertical space characters (\x09, \x0a,
\x0b, \x0c) from the [[:space:]] bitmap. Previously, however, the
subtraction was done in the overall bitmap for a character class, meaning
that a class such as [\x0c[:blank:]] was incorrect because \x0c would not
be recognized. This bug has been fixed.
7. Patches from the folks at Google:
(a) pcrecpp.cc: "to handle a corner case that may or may not happen in
real life, but is still worth protecting against".
(b) pcrecpp.cc: "corrects a bug when negative radixes are used with
regular expressions".
(c) pcre_scanner.cc: avoid use of std::count() because not all systems
have it.
(d) Split off pcrecpparg.h from pcrecpp.h and had the former built by
"configure" and the latter not, in order to fix a problem somebody had
with compiling the Arg class on HP-UX.
(e) Improve the error-handling of the C++ wrapper a little bit.
(f) New tests for checking recursion limiting.
8. The pcre_memmove() function, which is used only if the environment does not
have a standard memmove() function (and is therefore rarely compiled),
contained two bugs: (a) use of int instead of size_t, and (b) it was not
returning a result (though PCRE never actually uses the result).
9. In the POSIX regexec() interface, if nmatch is specified as a ridiculously
large number - greater than INT_MAX/(3*sizeof(int)) - REG_ESPACE is
returned instead of calling malloc() with an overflowing number that would
most likely cause subsequent chaos.
10. The debugging option of pcretest was not showing the NO_AUTO_CAPTURE flag.
11. The POSIX flag REG_NOSUB is now supported. When a pattern that was compiled
with this option is matched, the nmatch and pmatch options of regexec() are
ignored.
12. Added REG_UTF8 to the POSIX interface. This is not defined by POSIX, but is
provided in case anyone wants to the the POSIX interface with UTF-8
strings.
13. Added CXXLDFLAGS to the Makefile parameters to provide settings only on the
C++ linking (needed for some HP-UX environments).
14. Avoid compiler warnings in get_ucpname() when compiled without UCP support
(unused parameter) and in the pcre_printint() function (omitted "default"
switch label when the default is to do nothing).
15. Added some code to make it possible, when PCRE is compiled as a C++
library, to replace subject pointers for pcre_exec() with a smart pointer
class, thus making it possible to process discontinuous strings.
16. The two macros PCRE_EXPORT and PCRE_DATA_SCOPE are confusing, and perform
much the same function. They were added by different people who were trying
to make PCRE easy to compile on non-Unix systems. It has been suggested
that PCRE_EXPORT be abolished now that there is more automatic apparatus
for compiling on Windows systems. I have therefore replaced it with
PCRE_DATA_SCOPE. This is set automatically for Windows; if not set it
defaults to "extern" for C or "extern C" for C++, which works fine on
Unix-like systems. It is now possible to override the value of PCRE_DATA_
SCOPE with something explicit in config.h. In addition:
(a) pcreposix.h still had just "extern" instead of either of these macros;
I have replaced it with PCRE_DATA_SCOPE.
(b) Functions such as _pcre_xclass(), which are internal to the library,
but external in the C sense, all had PCRE_EXPORT in their definitions.
This is apparently wrong for the Windows case, so I have removed it.
(It makes no difference on Unix-like systems.)
17. Added a new limit, MATCH_LIMIT_RECURSION, which limits the depth of nesting
of recursive calls to match(). This is different to MATCH_LIMIT because
that limits the total number of calls to match(), not all of which increase
the depth of recursion. Limiting the recursion depth limits the amount of
stack (or heap if NO_RECURSE is set) that is used. The default can be set
when PCRE is compiled, and changed at run time. A patch from Google adds
this functionality to the C++ interface.
18. Changes to the handling of Unicode character properties:
(a) Updated the table to Unicode 4.1.0.
(b) Recognize characters that are not in the table as "Cn" (undefined).
(c) I revised the way the table is implemented to a much improved format
which includes recognition of ranges. It now supports the ranges that
are defined in UnicodeData.txt, and it also amalgamates other
characters into ranges. This has reduced the number of entries in the
table from around 16,000 to around 3,000, thus reducing its size
considerably. I realized I did not need to use a tree structure after
all - a binary chop search is just as efficient. Having reduced the
number of entries, I extended their size from 6 bytes to 8 bytes to
allow for more data.
(d) Added support for Unicode script names via properties such as \p{Han}.
19. In UTF-8 mode, a backslash followed by a non-Ascii character was not
matching that character.
20. When matching a repeated Unicode property with a minimum greater than zero,
(for example \pL{2,}), PCRE could look past the end of the subject if it
reached it while seeking the minimum number of characters. This could
happen only if some of the characters were more than one byte long, because
there is a check for at least the minimum number of bytes.
21. Refactored the implementation of \p and \P so as to be more general, to
allow for more different types of property in future. This has changed the
compiled form incompatibly. Anybody with saved compiled patterns that use
\p or \P will have to recompile them.
22. Added "Any" and "L&" to the supported property types.
23. Recognize \x{...} as a code point specifier, even when not in UTF-8 mode,
but give a compile time error if the value is greater than 0xff.
24. The man pages for pcrepartial, pcreprecompile, and pcre_compile2 were
accidentally not being installed or uninstalled.
25. The pcre.h file was built from pcre.h.in, but the only changes that were
made were to insert the current release number. This seemed silly, because
it made things harder for people building PCRE on systems that don't run
"configure". I have turned pcre.h into a distributed file, no longer built
by "configure", with the version identification directly included. There is
no longer a pcre.h.in file.
However, this change necessitated a change to the pcre-config script as
well. It is built from pcre-config.in, and one of the substitutions was the
release number. I have updated configure.ac so that ./configure now finds
the release number by grepping pcre.h.
26. Added the ability to run the tests under valgrind.
Version 6.4 05-Sep-05
---------------------
1. Change 6.0/10/(l) to pcregrep introduced a bug that caused separator lines
"--" to be printed when multiple files were scanned, even when none of the
-A, -B, or -C options were used. This is not compatible with Gnu grep, so I
consider it to be a bug, and have restored the previous behaviour.
2. A couple of code tidies to get rid of compiler warnings.
3. The pcretest program used to cheat by referring to symbols in the library
whose names begin with _pcre_. These are internal symbols that are not
really supposed to be visible externally, and in some environments it is
possible to suppress them. The cheating is now confined to including
certain files from the library's source, which is a bit cleaner.
4. Renamed pcre.in as pcre.h.in to go with pcrecpp.h.in; it also makes the
file's purpose clearer.
5. Reorganized pcre_ucp_findchar().
Version 6.3 15-Aug-05
---------------------
1. The file libpcre.pc.in did not have general read permission in the tarball.
2. There were some problems when building without C++ support:
(a) If C++ support was not built, "make install" and "make test" still
tried to test it.
(b) There were problems when the value of CXX was explicitly set. Some
changes have been made to try to fix these, and ...
(c) --disable-cpp can now be used to explicitly disable C++ support.
(d) The use of @CPP_OBJ@ directly caused a blank line preceded by a
backslash in a target when C++ was disabled. This confuses some
versions of "make", apparently. Using an intermediate variable solves
this. (Same for CPP_LOBJ.)
3. $(LINK_FOR_BUILD) now includes $(CFLAGS_FOR_BUILD) and $(LINK)
(non-Windows) now includes $(CFLAGS) because these flags are sometimes
necessary on certain architectures.
4. Added a setting of -export-symbols-regex to the link command to remove
those symbols that are exported in the C sense, but actually are local
within the library, and not documented. Their names all begin with
"_pcre_". This is not a perfect job, because (a) we have to except some
symbols that pcretest ("illegally") uses, and (b) the facility isn't always
available (and never for static libraries). I have made a note to try to
find a way round (a) in the future.
Version 6.2 01-Aug-05
---------------------
1. There was no test for integer overflow of quantifier values. A construction
such as {1111111111111111} would give undefined results. What is worse, if
a minimum quantifier for a parenthesized subpattern overflowed and became
negative, the calculation of the memory size went wrong. This could have
led to memory overwriting.
2. Building PCRE using VPATH was broken. Hopefully it is now fixed.
3. Added "b" to the 2nd argument of fopen() in dftables.c, for non-Unix-like
operating environments where this matters.
4. Applied Giuseppe Maxia's patch to add additional features for controlling
PCRE options from within the C++ wrapper.
5. Named capturing subpatterns were not being correctly counted when a pattern
was compiled. This caused two problems: (a) If there were more than 100
such subpatterns, the calculation of the memory needed for the whole
compiled pattern went wrong, leading to an overflow error. (b) Numerical
back references of the form \12, where the number was greater than 9, were
not recognized as back references, even though there were sufficient
previous subpatterns.
6. Two minor patches to pcrecpp.cc in order to allow it to compile on older
versions of gcc, e.g. 2.95.4.
Version 6.1 21-Jun-05
---------------------
1. There was one reference to the variable "posix" in pcretest.c that was not
surrounded by "#if !defined NOPOSIX".
2. Make it possible to compile pcretest without DFA support, UTF8 support, or
the cross-check on the old pcre_info() function, for the benefit of the
cut-down version of PCRE that is currently imported into Exim.
3. A (silly) pattern starting with (?i)(?-i) caused an internal space
allocation error. I've done the easy fix, which wastes 2 bytes for sensible
patterns that start (?i) but I don't think that matters. The use of (?i) is
just an example; this all applies to the other options as well.
4. Since libtool seems to echo the compile commands it is issuing, the output
from "make" can be reduced a bit by putting "@" in front of each libtool
compile command.
5. Patch from the folks at Google for configure.in to be a bit more thorough
in checking for a suitable C++ installation before trying to compile the
C++ stuff. This should fix a reported problem when a compiler was present,
but no suitable headers.
6. The man pages all had just "PCRE" as their title. I have changed them to
be the relevant file name. I have also arranged that these names are
retained in the file doc/pcre.txt, which is a concatenation in text format
of all the man pages except the little individual ones for each function.
7. The NON-UNIX-USE file had not been updated for the different set of source
files that come with release 6. I also added a few comments about the C++
wrapper.
Version 6.0 07-Jun-05
---------------------
1. Some minor internal re-organization to help with my DFA experiments.
2. Some missing #ifdef SUPPORT_UCP conditionals in pcretest and printint that
didn't matter for the library itself when fully configured, but did matter
when compiling without UCP support, or within Exim, where the ucp files are
not imported.
3. Refactoring of the library code to split up the various functions into
different source modules. The addition of the new DFA matching code (see
below) to a single monolithic source would have made it really too
unwieldy, quite apart from causing all the code to be include in a
statically linked application, when only some functions are used. This is
relevant even without the DFA addition now that patterns can be compiled in
one application and matched in another.
The downside of splitting up is that there have to be some external
functions and data tables that are used internally in different modules of
the library but which are not part of the API. These have all had their
names changed to start with "_pcre_" so that they are unlikely to clash
with other external names.
4. Added an alternate matching function, pcre_dfa_exec(), which matches using
a different (DFA) algorithm. Although it is slower than the original
function, it does have some advantages for certain types of matching
problem.
5. Upgrades to pcretest in order to test the features of pcre_dfa_exec(),
including restarting after a partial match.
6. A patch for pcregrep that defines INVALID_FILE_ATTRIBUTES if it is not
defined when compiling for Windows was sent to me. I have put it into the
code, though I have no means of testing or verifying it.
7. Added the pcre_refcount() auxiliary function.
8. Added the PCRE_FIRSTLINE option. This constrains an unanchored pattern to
match before or at the first newline in the subject string. In pcretest,
the /f option on a pattern can be used to set this.
9. A repeated \w when used in UTF-8 mode with characters greater than 256
would behave wrongly. This has been present in PCRE since release 4.0.
10. A number of changes to the pcregrep command:
(a) Refactored how -x works; insert ^(...)$ instead of setting
PCRE_ANCHORED and checking the length, in preparation for adding
something similar for -w.
(b) Added the -w (match as a word) option.
(c) Refactored the way lines are read and buffered so as to have more
than one at a time available.
(d) Implemented a pcregrep test script.
(e) Added the -M (multiline match) option. This allows patterns to match
over several lines of the subject. The buffering ensures that at least
8K, or the rest of the document (whichever is the shorter) is available
for matching (and similarly the previous 8K for lookbehind assertions).
(f) Changed the --help output so that it now says
-w, --word-regex(p)
instead of two lines, one with "regex" and the other with "regexp"
because that confused at least one person since the short forms are the
same. (This required a bit of code, as the output is generated
automatically from a table. It wasn't just a text change.)
(g) -- can be used to terminate pcregrep options if the next thing isn't an
option but starts with a hyphen. Could be a pattern or a path name
starting with a hyphen, for instance.
(h) "-" can be given as a file name to represent stdin.
(i) When file names are being printed, "(standard input)" is used for
the standard input, for compatibility with GNU grep. Previously
"<stdin>" was used.
(j) The option --label=xxx can be used to supply a name to be used for
stdin when file names are being printed. There is no short form.
(k) Re-factored the options decoding logic because we are going to add
two more options that take data. Such options can now be given in four
different ways, e.g. "-fname", "-f name", "--file=name", "--file name".
(l) Added the -A, -B, and -C options for requesting that lines of context
around matches be printed.
(m) Added the -L option to print the names of files that do not contain
any matching lines, that is, the complement of -l.
(n) The return code is 2 if any file cannot be opened, but pcregrep does
continue to scan other files.
(o) The -s option was incorrectly implemented. For compatibility with other
greps, it now suppresses the error message for a non-existent or non-
accessible file (but not the return code). There is a new option called
-q that suppresses the output of matching lines, which was what -s was
previously doing.
(p) Added --include and --exclude options to specify files for inclusion
and exclusion when recursing.
11. The Makefile was not using the Autoconf-supported LDFLAGS macro properly.
Hopefully, it now does.
12. Missing cast in pcre_study().
13. Added an "uninstall" target to the makefile.
14. Replaced "extern" in the function prototypes in Makefile.in with
"PCRE_DATA_SCOPE", which defaults to 'extern' or 'extern "C"' in the Unix
world, but is set differently for Windows.
15. Added a second compiling function called pcre_compile2(). The only
difference is that it has an extra argument, which is a pointer to an
integer error code. When there is a compile-time failure, this is set
non-zero, in addition to the error test pointer being set to point to an
error message. The new argument may be NULL if no error number is required
(but then you may as well call pcre_compile(), which is now just a
wrapper). This facility is provided because some applications need a
numeric error indication, but it has also enabled me to tidy up the way
compile-time errors are handled in the POSIX wrapper.
16. Added VPATH=.libs to the makefile; this should help when building with one
prefix path and installing with another. (Or so I'm told by someone who
knows more about this stuff than I do.)
17. Added a new option, REG_DOTALL, to the POSIX function regcomp(). This
passes PCRE_DOTALL to the pcre_compile() function, making the "." character
match everything, including newlines. This is not POSIX-compatible, but
somebody wanted the feature. From pcretest it can be activated by using
both the P and the s flags.
18. AC_PROG_LIBTOOL appeared twice in Makefile.in. Removed one.
19. libpcre.pc was being incorrectly installed as executable.
20. A couple of places in pcretest check for end-of-line by looking for '\n';
it now also looks for '\r' so that it will work unmodified on Windows.
21. Added Google's contributed C++ wrapper to the distribution.
22. Added some untidy missing memory free() calls in pcretest, to keep
Electric Fence happy when testing.
Version 5.0 13-Sep-04
---------------------
1. Internal change: literal characters are no longer packed up into items
containing multiple characters in a single byte-string. Each character
is now matched using a separate opcode. However, there may be more than one
byte in the character in UTF-8 mode.
2. The pcre_callout_block structure has two new fields: pattern_position and
next_item_length. These contain the offset in the pattern to the next match
item, and its length, respectively.
3. The PCRE_AUTO_CALLOUT option for pcre_compile() requests the automatic
insertion of callouts before each pattern item. Added the /C option to
pcretest to make use of this.
4. On the advice of a Windows user, the lines
#if defined(_WIN32) || defined(WIN32)
_setmode( _fileno( stdout ), 0x8000 );
#endif /* defined(_WIN32) || defined(WIN32) */
have been added to the source of pcretest. This apparently does useful
magic in relation to line terminators.
5. Changed "r" and "w" in the calls to fopen() in pcretest to "rb" and "wb"
for the benefit of those environments where the "b" makes a difference.
6. The icc compiler has the same options as gcc, but "configure" doesn't seem
to know about it. I have put a hack into configure.in that adds in code
to set GCC=yes if CC=icc. This seems to end up at a point in the
generated configure script that is early enough to affect the setting of
compiler options, which is what is needed, but I have no means of testing
whether it really works. (The user who reported this had patched the
generated configure script, which of course I cannot do.)
LATER: After change 22 below (new libtool files), the configure script
seems to know about icc (and also ecc). Therefore, I have commented out
this hack in configure.in.
7. Added support for pkg-config (2 patches were sent in).
8. Negated POSIX character classes that used a combination of internal tables
were completely broken. These were [[:^alpha:]], [[:^alnum:]], and
[[:^ascii]]. Typically, they would match almost any characters. The other
POSIX classes were not broken in this way.
9. Matching the pattern "\b.*?" against "ab cd", starting at offset 1, failed
to find the match, as PCRE was deluded into thinking that the match had to
start at the start point or following a newline. The same bug applied to
patterns with negative forward assertions or any backward assertions
preceding ".*" at the start, unless the pattern required a fixed first
character. This was a failing pattern: "(?!.bcd).*". The bug is now fixed.
10. In UTF-8 mode, when moving forwards in the subject after a failed match
starting at the last subject character, bytes beyond the end of the subject
string were read.
11. Renamed the variable "class" as "classbits" to make life easier for C++
users. (Previously there was a macro definition, but it apparently wasn't
enough.)
12. Added the new field "tables" to the extra data so that tables can be passed
in at exec time, or the internal tables can be re-selected. This allows
a compiled regex to be saved and re-used at a later time by a different
program that might have everything at different addresses.
13. Modified the pcre-config script so that, when run on Solaris, it shows a
-R library as well as a -L library.
14. The debugging options of pcretest (-d on the command line or D on a
pattern) showed incorrect output for anything following an extended class
that contained multibyte characters and which was followed by a quantifier.
15. Added optional support for general category Unicode character properties
via the \p, \P, and \X escapes. Unicode property support implies UTF-8
support. It adds about 90K to the size of the library. The meanings of the
inbuilt class escapes such as \d and \s have NOT been changed.
16. Updated pcredemo.c to include calls to free() to release the memory for the
compiled pattern.
17. The generated file chartables.c was being created in the source directory
instead of in the building directory. This caused the build to fail if the
source directory was different from the building directory, and was
read-only.
18. Added some sample Win commands from Mark Tetrode into the NON-UNIX-USE
file. No doubt somebody will tell me if they don't make sense... Also added
Dan Mooney's comments about building on OpenVMS.
19. Added support for partial matching via the PCRE_PARTIAL option for
pcre_exec() and the \P data escape in pcretest.
20. Extended pcretest with 3 new pattern features:
(i) A pattern option of the form ">rest-of-line" causes pcretest to
write the compiled pattern to the file whose name is "rest-of-line".
This is a straight binary dump of the data, with the saved pointer to
the character tables forced to be NULL. The study data, if any, is
written too. After writing, pcretest reads a new pattern.
(ii) If, instead of a pattern, "<rest-of-line" is given, pcretest reads a
compiled pattern from the given file. There must not be any
occurrences of "<" in the file name (pretty unlikely); if there are,
pcretest will instead treat the initial "<" as a pattern delimiter.
After reading in the pattern, pcretest goes on to read data lines as
usual.
(iii) The F pattern option causes pcretest to flip the bytes in the 32-bit
and 16-bit fields in a compiled pattern, to simulate a pattern that
was compiled on a host of opposite endianness.
21. The pcre-exec() function can now cope with patterns that were compiled on
hosts of opposite endianness, with this restriction:
As for any compiled expression that is saved and used later, the tables
pointer field cannot be preserved; the extra_data field in the arguments
to pcre_exec() should be used to pass in a tables address if a value
other than the default internal tables were used at compile time.
22. Calling pcre_exec() with a negative value of the "ovecsize" parameter is
now diagnosed as an error. Previously, most of the time, a negative number
would have been treated as zero, but if in addition "ovector" was passed as
NULL, a crash could occur.
23. Updated the files ltmain.sh, config.sub, config.guess, and aclocal.m4 with
new versions from the libtool 1.5 distribution (the last one is a copy of
a file called libtool.m4). This seems to have fixed the need to patch
"configure" to support Darwin 1.3 (which I used to do). However, I still
had to patch ltmain.sh to ensure that ${SED} is set (it isn't on my
workstation).
24. Changed the PCRE licence to be the more standard "BSD" licence.
Version 4.5 01-Dec-03
---------------------
1. There has been some re-arrangement of the code for the match() function so
that it can be compiled in a version that does not call itself recursively.
Instead, it keeps those local variables that need separate instances for
each "recursion" in a frame on the heap, and gets/frees frames whenever it
needs to "recurse". Keeping track of where control must go is done by means
of setjmp/longjmp. The whole thing is implemented by a set of macros that
hide most of the details from the main code, and operates only if
NO_RECURSE is defined while compiling pcre.c. If PCRE is built using the
"configure" mechanism, "--disable-stack-for-recursion" turns on this way of
operating.
To make it easier for callers to provide specially tailored get/free
functions for this usage, two new functions, pcre_stack_malloc, and
pcre_stack_free, are used. They are always called in strict stacking order,
and the size of block requested is always the same.
The PCRE_CONFIG_STACKRECURSE info parameter can be used to find out whether
PCRE has been compiled to use the stack or the heap for recursion. The
-C option of pcretest uses this to show which version is compiled.
A new data escape \S, is added to pcretest; it causes the amounts of store
obtained and freed by both kinds of malloc/free at match time to be added
to the output.
2. Changed the locale test to use "fr_FR" instead of "fr" because that's
what's available on my current Linux desktop machine.
3. When matching a UTF-8 string, the test for a valid string at the start has
been extended. If start_offset is not zero, PCRE now checks that it points
to a byte that is the start of a UTF-8 character. If not, it returns
PCRE_ERROR_BADUTF8_OFFSET (-11). Note: the whole string is still checked;
this is necessary because there may be backward assertions in the pattern.
When matching the same subject several times, it may save resources to use
PCRE_NO_UTF8_CHECK on all but the first call if the string is long.
4. The code for checking the validity of UTF-8 strings has been tightened so
that it rejects (a) strings containing 0xfe or 0xff bytes and (b) strings
containing "overlong sequences".
5. Fixed a bug (appearing twice) that I could not find any way of exploiting!
I had written "if ((digitab[*p++] && chtab_digit) == 0)" where the "&&"
should have been "&", but it just so happened that all the cases this let
through by mistake were picked up later in the function.
6. I had used a variable called "isblank" - this is a C99 function, causing
some compilers to warn. To avoid this, I renamed it (as "blankclass").
7. Cosmetic: (a) only output another newline at the end of pcretest if it is
prompting; (b) run "./pcretest /dev/null" at the start of the test script
so the version is shown; (c) stop "make test" echoing "./RunTest".
8. Added patches from David Burgess to enable PCRE to run on EBCDIC systems.
9. The prototype for memmove() for systems that don't have it was using
size_t, but the inclusion of the header that defines size_t was later. I've
moved the #includes for the C headers earlier to avoid this.
10. Added some adjustments to the code to make it easier to compiler on certain
special systems:
(a) Some "const" qualifiers were missing.
(b) Added the macro EXPORT before all exported functions; by default this
is defined to be empty.
(c) Changed the dftables auxiliary program (that builds chartables.c) so
that it reads its output file name as an argument instead of writing
to the standard output and assuming this can be redirected.
11. In UTF-8 mode, if a recursive reference (e.g. (?1)) followed a character
class containing characters with values greater than 255, PCRE compilation
went into a loop.
12. A recursive reference to a subpattern that was within another subpattern
that had a minimum quantifier of zero caused PCRE to crash. For example,
(x(y(?2))z)? provoked this bug with a subject that got as far as the
recursion. If the recursively-called subpattern itself had a zero repeat,
that was OK.
13. In pcretest, the buffer for reading a data line was set at 30K, but the
buffer into which it was copied (for escape processing) was still set at
1024, so long lines caused crashes.
14. A pattern such as /[ab]{1,3}+/ failed to compile, giving the error
"internal error: code overflow...". This applied to any character class
that was followed by a possessive quantifier.
15. Modified the Makefile to add libpcre.la as a prerequisite for
libpcreposix.la because I was told this is needed for a parallel build to
work.
16. If a pattern that contained .* following optional items at the start was
studied, the wrong optimizing data was generated, leading to matching
errors. For example, studying /[ab]*.*c/ concluded, erroneously, that any
matching string must start with a or b or c. The correct conclusion for
this pattern is that a match can start with any character.
Version 4.4 13-Aug-03
---------------------
1. In UTF-8 mode, a character class containing characters with values between
127 and 255 was not handled correctly if the compiled pattern was studied.
In fixing this, I have also improved the studying algorithm for such
classes (slightly).
2. Three internal functions had redundant arguments passed to them. Removal
might give a very teeny performance improvement.
3. Documentation bug: the value of the capture_top field in a callout is *one
more than* the number of the hightest numbered captured substring.
4. The Makefile linked pcretest and pcregrep with -lpcre, which could result
in incorrectly linking with a previously installed version. They now link
explicitly with libpcre.la.
5. configure.in no longer needs to recognize Cygwin specially.
6. A problem in pcre.in for Windows platforms is fixed.
7. If a pattern was successfully studied, and the -d (or /D) flag was given to
pcretest, it used to include the size of the study block as part of its
output. Unfortunately, the structure contains a field that has a different
size on different hardware architectures. This meant that the tests that
showed this size failed. As the block is currently always of a fixed size,
this information isn't actually particularly useful in pcretest output, so
I have just removed it.
8. Three pre-processor statements accidentally did not start in column 1.
Sadly, there are *still* compilers around that complain, even though
standard C has not required this for well over a decade. Sigh.
9. In pcretest, the code for checking callouts passed small integers in the
callout_data field, which is a void * field. However, some picky compilers
complained about the casts involved for this on 64-bit systems. Now
pcretest passes the address of the small integer instead, which should get
rid of the warnings.
10. By default, when in UTF-8 mode, PCRE now checks for valid UTF-8 strings at
both compile and run time, and gives an error if an invalid UTF-8 sequence
is found. There is a option for disabling this check in cases where the
string is known to be correct and/or the maximum performance is wanted.
11. In response to a bug report, I changed one line in Makefile.in from
-Wl,--out-implib,.libs/lib@WIN_PREFIX@pcreposix.dll.a \
to
-Wl,--out-implib,.libs/@WIN_PREFIX@libpcreposix.dll.a \
to look similar to other lines, but I have no way of telling whether this
is the right thing to do, as I do not use Windows. No doubt I'll get told
if it's wrong...
Version 4.3 21-May-03
---------------------
1. Two instances of @WIN_PREFIX@ omitted from the Windows targets in the
Makefile.
2. Some refactoring to improve the quality of the code:
(i) The utf8_table... variables are now declared "const".
(ii) The code for \cx, which used the "case flipping" table to upper case
lower case letters, now just substracts 32. This is ASCII-specific,
but the whole concept of \cx is ASCII-specific, so it seems
reasonable.
(iii) PCRE was using its character types table to recognize decimal and
hexadecimal digits in the pattern. This is silly, because it handles
only 0-9, a-f, and A-F, but the character types table is locale-
specific, which means strange things might happen. A private
table is now used for this - though it costs 256 bytes, a table is
much faster than multiple explicit tests. Of course, the standard
character types table is still used for matching digits in subject
strings against \d.
(iv) Strictly, the identifier ESC_t is reserved by POSIX (all identifiers
ending in _t are). So I've renamed it as ESC_tee.
3. The first argument for regexec() in the POSIX wrapper should have been
defined as "const".
4. Changed pcretest to use malloc() for its buffers so that they can be
Electric Fenced for debugging.
5. There were several places in the code where, in UTF-8 mode, PCRE would try
to read one or more bytes before the start of the subject string. Often this
had no effect on PCRE's behaviour, but in some circumstances it could
provoke a segmentation fault.
6. A lookbehind at the start of a pattern in UTF-8 mode could also cause PCRE
to try to read one or more bytes before the start of the subject string.
7. A lookbehind in a pattern matched in non-UTF-8 mode on a PCRE compiled with
UTF-8 support could misbehave in various ways if the subject string
contained bytes with the 0x80 bit set and the 0x40 bit unset in a lookbehind
area. (PCRE was not checking for the UTF-8 mode flag, and trying to move
back over UTF-8 characters.)
Version 4.2 14-Apr-03
---------------------
1. Typo "#if SUPPORT_UTF8" instead of "#ifdef SUPPORT_UTF8" fixed.
2. Changes to the building process, supplied by Ronald Landheer-Cieslak
[ON_WINDOWS]: new variable, "#" on non-Windows platforms
[NOT_ON_WINDOWS]: new variable, "#" on Windows platforms
[WIN_PREFIX]: new variable, "cyg" for Cygwin
* Makefile.in: use autoconf substitution for OBJEXT, EXEEXT, BUILD_OBJEXT
and BUILD_EXEEXT
Note: automatic setting of the BUILD variables is not yet working
set CPPFLAGS and BUILD_CPPFLAGS (but don't use yet) - should be used at
compile-time but not at link-time
[LINK]: use for linking executables only
make different versions for Windows and non-Windows
[LINKLIB]: new variable, copy of UNIX-style LINK, used for linking
libraries
[LINK_FOR_BUILD]: new variable
[OBJEXT]: use throughout
[EXEEXT]: use throughout
<winshared>: new target
<wininstall>: new target
<dftables.o>: use native compiler
<dftables>: use native linker
<install>: handle Windows platform correctly
<clean>: ditto
<check>: ditto
copy DLL to top builddir before testing
As part of these changes, -no-undefined was removed again. This was reported
to give trouble on HP-UX 11.0, so getting rid of it seems like a good idea
in any case.
3. Some tidies to get rid of compiler warnings:
. In the match_data structure, match_limit was an unsigned long int, whereas
match_call_count was an int. I've made them both unsigned long ints.
. In pcretest the fact that a const uschar * doesn't automatically cast to
a void * provoked a warning.
. Turning on some more compiler warnings threw up some "shadow" variables
and a few more missing casts.
4. If PCRE was complied with UTF-8 support, but called without the PCRE_UTF8
option, a class that contained a single character with a value between 128
and 255 (e.g. /[\xFF]/) caused PCRE to crash.
5. If PCRE was compiled with UTF-8 support, but called without the PCRE_UTF8
option, a class that contained several characters, but with at least one
whose value was between 128 and 255 caused PCRE to crash.
Version 4.1 12-Mar-03
---------------------
1. Compiling with gcc -pedantic found a couple of places where casts were
needed, and a string in dftables.c that was longer than standard compilers are
required to support.
2. Compiling with Sun's compiler found a few more places where the code could
be tidied up in order to avoid warnings.
3. The variables for cross-compiling were called HOST_CC and HOST_CFLAGS; the
first of these names is deprecated in the latest Autoconf in favour of the name
CC_FOR_BUILD, because "host" is typically used to mean the system on which the
compiled code will be run. I can't find a reference for HOST_CFLAGS, but by
analogy I have changed it to CFLAGS_FOR_BUILD.
4. Added -no-undefined to the linking command in the Makefile, because this is
apparently helpful for Windows. To make it work, also added "-L. -lpcre" to the
linking step for the pcreposix library.
5. PCRE was failing to diagnose the case of two named groups with the same
name.
6. A problem with one of PCRE's optimizations was discovered. PCRE remembers a
literal character that is needed in the subject for a match, and scans along to
ensure that it is present before embarking on the full matching process. This
saves time in cases of nested unlimited repeats that are never going to match.
Problem: the scan can take a lot of time if the subject is very long (e.g.
megabytes), thus penalizing straightforward matches. It is now done only if the
amount of subject to be scanned is less than 1000 bytes.
7. A lesser problem with the same optimization is that it was recording the
first character of an anchored pattern as "needed", thus provoking a search
right along the subject, even when the first match of the pattern was going to
fail. The "needed" character is now not set for anchored patterns, unless it
follows something in the pattern that is of non-fixed length. Thus, it still
fulfils its original purpose of finding quick non-matches in cases of nested
unlimited repeats, but isn't used for simple anchored patterns such as /^abc/.
Version 4.0 17-Feb-03
---------------------
1. If a comment in an extended regex that started immediately after a meta-item
extended to the end of string, PCRE compiled incorrect data. This could lead to
all kinds of weird effects. Example: /#/ was bad; /()#/ was bad; /a#/ was not.
2. Moved to autoconf 2.53 and libtool 1.4.2.
3. Perl 5.8 no longer needs "use utf8" for doing UTF-8 things. Consequently,
the special perltest8 script is no longer needed - all the tests can be run
from a single perltest script.
4. From 5.004, Perl has not included the VT character (0x0b) in the set defined
by \s. It has now been removed in PCRE. This means it isn't recognized as
whitespace in /x regexes too, which is the same as Perl. Note that the POSIX
class [:space:] *does* include VT, thereby creating a mess.
5. Added the class [:blank:] (a GNU extension from Perl 5.8) to match only
space and tab.
6. Perl 5.005 was a long time ago. It's time to amalgamate the tests that use
its new features into the main test script, reducing the number of scripts.
7. Perl 5.8 has changed the meaning of patterns like /a(?i)b/. Earlier versions
were backward compatible, and made the (?i) apply to the whole pattern, as if
/i were given. Now it behaves more logically, and applies the option setting
only to what follows. PCRE has been changed to follow suit. However, if it
finds options settings right at the start of the pattern, it extracts them into
the global options, as before. Thus, they show up in the info data.
8. Added support for the \Q...\E escape sequence. Characters in between are
treated as literals. This is slightly different from Perl in that $ and @ are
also handled as literals inside the quotes. In Perl, they will cause variable
interpolation. Note the following examples:
Pattern PCRE matches Perl matches
\Qabc$xyz\E abc$xyz abc followed by the contents of $xyz
\Qabc\$xyz\E abc\$xyz abc\$xyz
\Qabc\E\$\Qxyz\E abc$xyz abc$xyz
For compatibility with Perl, \Q...\E sequences are recognized inside character
classes as well as outside them.
9. Re-organized 3 code statements in pcretest to avoid "overflow in
floating-point constant arithmetic" warnings from a Microsoft compiler. Added a
(size_t) cast to one statement in pcretest and one in pcreposix to avoid
signed/unsigned warnings.
10. SunOS4 doesn't have strtoul(). This was used only for unpicking the -o
option for pcretest, so I've replaced it by a simple function that does just
that job.
11. pcregrep was ending with code 0 instead of 2 for the commands "pcregrep" or
"pcregrep -".
12. Added "possessive quantifiers" ?+, *+, ++, and {,}+ which come from Sun's
Java package. This provides some syntactic sugar for simple cases of what my
documentation calls "once-only subpatterns". A pattern such as x*+ is the same
as (?>x*). In other words, if what is inside (?>...) is just a single repeated
item, you can use this simplified notation. Note that only makes sense with
greedy quantifiers. Consequently, the use of the possessive quantifier forces
greediness, whatever the setting of the PCRE_UNGREEDY option.
13. A change of greediness default within a pattern was not taking effect at
the current level for patterns like /(b+(?U)a+)/. It did apply to parenthesized
subpatterns that followed. Patterns like /b+(?U)a+/ worked because the option
was abstracted outside.
14. PCRE now supports the \G assertion. It is true when the current matching
position is at the start point of the match. This differs from \A when the
starting offset is non-zero. Used with the /g option of pcretest (or similar
code), it works in the same way as it does for Perl's /g option. If all
alternatives of a regex begin with \G, the expression is anchored to the start
match position, and the "anchored" flag is set in the compiled expression.
15. Some bugs concerning the handling of certain option changes within patterns
have been fixed. These applied to options other than (?ims). For example,
"a(?x: b c )d" did not match "XabcdY" but did match "Xa b c dY". It should have
been the other way round. Some of this was related to change 7 above.
16. PCRE now gives errors for /[.x.]/ and /[=x=]/ as unsupported POSIX
features, as Perl does. Previously, PCRE gave the warnings only for /[[.x.]]/
and /[[=x=]]/. PCRE now also gives an error for /[:name:]/ because it supports
POSIX classes only within a class (e.g. /[[:alpha:]]/).
17. Added support for Perl's \C escape. This matches one byte, even in UTF8
mode. Unlike ".", it always matches newline, whatever the setting of
PCRE_DOTALL. However, PCRE does not permit \C to appear in lookbehind
assertions. Perl allows it, but it doesn't (in general) work because it can't
calculate the length of the lookbehind. At least, that's the case for Perl
5.8.0 - I've been told they are going to document that it doesn't work in
future.
18. Added an error diagnosis for escapes that PCRE does not support: these are
\L, \l, \N, \P, \p, \U, \u, and \X.
19. Although correctly diagnosing a missing ']' in a character class, PCRE was
reading past the end of the pattern in cases such as /[abcd/.
20. PCRE was getting more memory than necessary for patterns with classes that
contained both POSIX named classes and other characters, e.g. /[[:space:]abc/.
21. Added some code, conditional on #ifdef VPCOMPAT, to make life easier for
compiling PCRE for use with Virtual Pascal.
22. Small fix to the Makefile to make it work properly if the build is done
outside the source tree.
23. Added a new extension: a condition to go with recursion. If a conditional
subpattern starts with (?(R) the "true" branch is used if recursion has
happened, whereas the "false" branch is used only at the top level.
24. When there was a very long string of literal characters (over 255 bytes
without UTF support, over 250 bytes with UTF support), the computation of how
much memory was required could be incorrect, leading to segfaults or other
strange effects.
25. PCRE was incorrectly assuming anchoring (either to start of subject or to
start of line for a non-DOTALL pattern) when a pattern started with (.*) and
there was a subsequent back reference to those brackets. This meant that, for
example, /(.*)\d+\1/ failed to match "abc123bc". Unfortunately, it isn't
possible to check for precisely this case. All we can do is abandon the
optimization if .* occurs inside capturing brackets when there are any back
references whatsoever. (See below for a better fix that came later.)
26. The handling of the optimization for finding the first character of a
non-anchored pattern, and for finding a character that is required later in the
match were failing in some cases. This didn't break the matching; it just
failed to optimize when it could. The way this is done has been re-implemented.
27. Fixed typo in error message for invalid (?R item (it said "(?p").
28. Added a new feature that provides some of the functionality that Perl
provides with (?{...}). The facility is termed a "callout". The way it is done
in PCRE is for the caller to provide an optional function, by setting
pcre_callout to its entry point. Like pcre_malloc and pcre_free, this is a
global variable. By default it is unset, which disables all calling out. To get
the function called, the regex must include (?C) at appropriate points. This
is, in fact, equivalent to (?C0), and any number <= 255 may be given with (?C).
This provides a means of identifying different callout points. When PCRE
reaches such a point in the regex, if pcre_callout has been set, the external
function is called. It is provided with data in a structure called
pcre_callout_block, which is defined in pcre.h. If the function returns 0,
matching continues; if it returns a non-zero value, the match at the current
point fails. However, backtracking will occur if possible. [This was changed
later and other features added - see item 49 below.]
29. pcretest is upgraded to test the callout functionality. It provides a
callout function that displays information. By default, it shows the start of
the match and the current position in the text. There are some new data escapes
to vary what happens:
\C+ in addition, show current contents of captured substrings
\C- do not supply a callout function
\C!n return 1 when callout number n is reached
\C!n!m return 1 when callout number n is reached for the mth time
30. If pcregrep was called with the -l option and just a single file name, it
output "<stdin>" if a match was found, instead of the file name.
31. Improve the efficiency of the POSIX API to PCRE. If the number of capturing
slots is less than POSIX_MALLOC_THRESHOLD, use a block on the stack to pass to
pcre_exec(). This saves a malloc/free per call. The default value of
POSIX_MALLOC_THRESHOLD is 10; it can be changed by --with-posix-malloc-threshold
when configuring.
32. The default maximum size of a compiled pattern is 64K. There have been a
few cases of people hitting this limit. The code now uses macros to handle the
storing of links as offsets within the compiled pattern. It defaults to 2-byte
links, but this can be changed to 3 or 4 bytes by --with-link-size when
configuring. Tests 2 and 5 work only with 2-byte links because they output
debugging information about compiled patterns.
33. Internal code re-arrangements:
(a) Moved the debugging function for printing out a compiled regex into
its own source file (printint.c) and used #include to pull it into
pcretest.c and, when DEBUG is defined, into pcre.c, instead of having two
separate copies.
(b) Defined the list of op-code names for debugging as a macro in
internal.h so that it is next to the definition of the opcodes.
(c) Defined a table of op-code lengths for simpler skipping along compiled
code. This is again a macro in internal.h so that it is next to the
definition of the opcodes.
34. Added support for recursive calls to individual subpatterns, along the
lines of Robin Houston's patch (but implemented somewhat differently).
35. Further mods to the Makefile to help Win32. Also, added code to pcregrep to
allow it to read and process whole directories in Win32. This code was
contributed by Lionel Fourquaux; it has not been tested by me.
36. Added support for named subpatterns. The Python syntax (?P<name>...) is
used to name a group. Names consist of alphanumerics and underscores, and must
be unique. Back references use the syntax (?P=name) and recursive calls use
(?P>name) which is a PCRE extension to the Python extension. Groups still have
numbers. The function pcre_fullinfo() can be used after compilation to extract
a name/number map. There are three relevant calls:
PCRE_INFO_NAMEENTRYSIZE yields the size of each entry in the map
PCRE_INFO_NAMECOUNT yields the number of entries
PCRE_INFO_NAMETABLE yields a pointer to the map.
The map is a vector of fixed-size entries. The size of each entry depends on
the length of the longest name used. The first two bytes of each entry are the
group number, most significant byte first. There follows the corresponding
name, zero terminated. The names are in alphabetical order.
37. Make the maximum literal string in the compiled code 250 for the non-UTF-8
case instead of 255. Making it the same both with and without UTF-8 support
means that the same test output works with both.
38. There was a case of malloc(0) in the POSIX testing code in pcretest. Avoid
calling malloc() with a zero argument.
39. Change 25 above had to resort to a heavy-handed test for the .* anchoring
optimization. I've improved things by keeping a bitmap of backreferences with
numbers 1-31 so that if .* occurs inside capturing brackets that are not in
fact referenced, the optimization can be applied. It is unlikely that a
relevant occurrence of .* (i.e. one which might indicate anchoring or forcing
the match to follow \n) will appear inside brackets with a number greater than
31, but if it does, any back reference > 31 suppresses the optimization.
40. Added a new compile-time option PCRE_NO_AUTO_CAPTURE. This has the effect
of disabling numbered capturing parentheses. Any opening parenthesis that is
not followed by ? behaves as if it were followed by ?: but named parentheses
can still be used for capturing (and they will acquire numbers in the usual
way).
41. Redesigned the return codes from the match() function into yes/no/error so
that errors can be passed back from deep inside the nested calls. A malloc
failure while inside a recursive subpattern call now causes the
PCRE_ERROR_NOMEMORY return instead of quietly going wrong.
42. It is now possible to set a limit on the number of times the match()
function is called in a call to pcre_exec(). This facility makes it possible to
limit the amount of recursion and backtracking, though not in a directly
obvious way, because the match() function is used in a number of different
circumstances. The count starts from zero for each position in the subject
string (for non-anchored patterns). The default limit is, for compatibility, a
large number, namely 10 000 000. You can change this in two ways:
(a) When configuring PCRE before making, you can use --with-match-limit=n
to set a default value for the compiled library.
(b) For each call to pcre_exec(), you can pass a pcre_extra block in which
a different value is set. See 45 below.
If the limit is exceeded, pcre_exec() returns PCRE_ERROR_MATCHLIMIT.
43. Added a new function pcre_config(int, void *) to enable run-time extraction
of things that can be changed at compile time. The first argument specifies
what is wanted and the second points to where the information is to be placed.
The current list of available information is:
PCRE_CONFIG_UTF8
The output is an integer that is set to one if UTF-8 support is available;
otherwise it is set to zero.
PCRE_CONFIG_NEWLINE
The output is an integer that it set to the value of the code that is used for
newline. It is either LF (10) or CR (13).
PCRE_CONFIG_LINK_SIZE
The output is an integer that contains the number of bytes used for internal
linkage in compiled expressions. The value is 2, 3, or 4. See item 32 above.
PCRE_CONFIG_POSIX_MALLOC_THRESHOLD
The output is an integer that contains the threshold above which the POSIX
interface uses malloc() for output vectors. See item 31 above.
PCRE_CONFIG_MATCH_LIMIT
The output is an unsigned integer that contains the default limit of the number
of match() calls in a pcre_exec() execution. See 42 above.
44. pcretest has been upgraded by the addition of the -C option. This causes it
to extract all the available output from the new pcre_config() function, and to
output it. The program then exits immediately.
45. A need has arisen to pass over additional data with calls to pcre_exec() in
order to support additional features. One way would have been to define
pcre_exec2() (for example) with extra arguments, but this would not have been
extensible, and would also have required all calls to the original function to
be mapped to the new one. Instead, I have chosen to extend the mechanism that
is used for passing in "extra" data from pcre_study().
The pcre_extra structure is now exposed and defined in pcre.h. It currently
contains the following fields:
flags a bitmap indicating which of the following fields are set
study_data opaque data from pcre_study()
match_limit a way of specifying a limit on match() calls for a specific
call to pcre_exec()
callout_data data for callouts (see 49 below)
The flag bits are also defined in pcre.h, and are
PCRE_EXTRA_STUDY_DATA
PCRE_EXTRA_MATCH_LIMIT
PCRE_EXTRA_CALLOUT_DATA
The pcre_study() function now returns one of these new pcre_extra blocks, with
the actual study data pointed to by the study_data field, and the
PCRE_EXTRA_STUDY_DATA flag set. This can be passed directly to pcre_exec() as
before. That is, this change is entirely upwards-compatible and requires no
change to existing code.
If you want to pass in additional data to pcre_exec(), you can either place it
in a pcre_extra block provided by pcre_study(), or create your own pcre_extra
block.
46. pcretest has been extended to test the PCRE_EXTRA_MATCH_LIMIT feature. If a
data string contains the escape sequence \M, pcretest calls pcre_exec() several
times with different match limits, until it finds the minimum value needed for
pcre_exec() to complete. The value is then output. This can be instructive; for
most simple matches the number is quite small, but for pathological cases it
gets very large very quickly.
47. There's a new option for pcre_fullinfo() called PCRE_INFO_STUDYSIZE. It
returns the size of the data block pointed to by the study_data field in a
pcre_extra block, that is, the value that was passed as the argument to
pcre_malloc() when PCRE was getting memory in which to place the information
created by pcre_study(). The fourth argument should point to a size_t variable.
pcretest has been extended so that this information is shown after a successful
pcre_study() call when information about the compiled regex is being displayed.
48. Cosmetic change to Makefile: there's no need to have / after $(DESTDIR)
because what follows is always an absolute path. (Later: it turns out that this
is more than cosmetic for MinGW, because it doesn't like empty path
components.)
49. Some changes have been made to the callout feature (see 28 above):
(i) A callout function now has three choices for what it returns:
0 => success, carry on matching
> 0 => failure at this point, but backtrack if possible
< 0 => serious error, return this value from pcre_exec()
Negative values should normally be chosen from the set of PCRE_ERROR_xxx
values. In particular, returning PCRE_ERROR_NOMATCH forces a standard
"match failed" error. The error number PCRE_ERROR_CALLOUT is reserved for
use by callout functions. It will never be used by PCRE itself.
(ii) The pcre_extra structure (see 45 above) has a void * field called
callout_data, with corresponding flag bit PCRE_EXTRA_CALLOUT_DATA. The
pcre_callout_block structure has a field of the same name. The contents of
the field passed in the pcre_extra structure are passed to the callout
function in the corresponding field in the callout block. This makes it
easier to use the same callout-containing regex from multiple threads. For
testing, the pcretest program has a new data escape
\C*n pass the number n (may be negative) as callout_data
If the callout function in pcretest receives a non-zero value as
callout_data, it returns that value.
50. Makefile wasn't handling CFLAGS properly when compiling dftables. Also,
there were some redundant $(CFLAGS) in commands that are now specified as
$(LINK), which already includes $(CFLAGS).
51. Extensions to UTF-8 support are listed below. These all apply when (a) PCRE
has been compiled with UTF-8 support *and* pcre_compile() has been compiled
with the PCRE_UTF8 flag. Patterns that are compiled without that flag assume
one-byte characters throughout. Note that case-insensitive matching applies
only to characters whose values are less than 256. PCRE doesn't support the
notion of cases for higher-valued characters.
(i) A character class whose characters are all within 0-255 is handled as
a bit map, and the map is inverted for negative classes. Previously, a
character > 255 always failed to match such a class; however it should
match if the class was a negative one (e.g. [^ab]). This has been fixed.
(ii) A negated character class with a single character < 255 is coded as
"not this character" (OP_NOT). This wasn't working properly when the test
character was multibyte, either singly or repeated.
(iii) Repeats of multibyte characters are now handled correctly in UTF-8
mode, for example: \x{100}{2,3}.
(iv) The character escapes \b, \B, \d, \D, \s, \S, \w, and \W (either
singly or repeated) now correctly test multibyte characters. However,
PCRE doesn't recognize any characters with values greater than 255 as
digits, spaces, or word characters. Such characters always match \D, \S,
and \W, and never match \d, \s, or \w.
(v) Classes may now contain characters and character ranges with values
greater than 255. For example: [ab\x{100}-\x{400}].
(vi) pcregrep now has a --utf-8 option (synonym -u) which makes it call
PCRE in UTF-8 mode.
52. The info request value PCRE_INFO_FIRSTCHAR has been renamed
PCRE_INFO_FIRSTBYTE because it is a byte value. However, the old name is
retained for backwards compatibility. (Note that LASTLITERAL is also a byte
value.)
53. The single man page has become too large. I have therefore split it up into
a number of separate man pages. These also give rise to individual HTML pages;
these are now put in a separate directory, and there is an index.html page that
lists them all. Some hyperlinking between the pages has been installed.
54. Added convenience functions for handling named capturing parentheses.
55. Unknown escapes inside character classes (e.g. [\M]) and escapes that
aren't interpreted therein (e.g. [\C]) are literals in Perl. This is now also
true in PCRE, except when the PCRE_EXTENDED option is set, in which case they
are faulted.
56. Introduced HOST_CC and HOST_CFLAGS which can be set in the environment when
calling configure. These values are used when compiling the dftables.c program
which is run to generate the source of the default character tables. They
default to the values of CC and CFLAGS. If you are cross-compiling PCRE,
you will need to set these values.
57. Updated the building process for Windows DLL, as provided by Fred Cox.
Version 3.9 02-Jan-02
---------------------
1. A bit of extraneous text had somehow crept into the pcregrep documentation.
2. If --disable-static was given, the building process failed when trying to
build pcretest and pcregrep. (For some reason it was using libtool to compile
them, which is not right, as they aren't part of the library.)
Version 3.8 18-Dec-01
---------------------
1. The experimental UTF-8 code was completely screwed up. It was packing the
bytes in the wrong order. How dumb can you get?
Version 3.7 29-Oct-01
---------------------
1. In updating pcretest to check change 1 of version 3.6, I screwed up.
This caused pcretest, when used on the test data, to segfault. Unfortunately,
this didn't happen under Solaris 8, where I normally test things.
2. The Makefile had to be changed to make it work on BSD systems, where 'make'
doesn't seem to recognize that ./xxx and xxx are the same file. (This entry
isn't in ChangeLog distributed with 3.7 because I forgot when I hastily made
this fix an hour or so after the initial 3.7 release.)
Version 3.6 23-Oct-01
---------------------
1. Crashed with /(sens|respons)e and \1ibility/ and "sense and sensibility" if
offsets passed as NULL with zero offset count.
2. The config.guess and config.sub files had not been updated when I moved to
the latest autoconf.
Version 3.5 15-Aug-01
---------------------
1. Added some missing #if !defined NOPOSIX conditionals in pcretest.c that
had been forgotten.
2. By using declared but undefined structures, we can avoid using "void"
definitions in pcre.h while keeping the internal definitions of the structures
private.
3. The distribution is now built using autoconf 2.50 and libtool 1.4. From a
user point of view, this means that both static and shared libraries are built
by default, but this can be individually controlled. More of the work of
handling this static/shared cases is now inside libtool instead of PCRE's make
file.
4. The pcretest utility is now installed along with pcregrep because it is
useful for users (to test regexs) and by doing this, it automatically gets
relinked by libtool. The documentation has been turned into a man page, so
there are now .1, .txt, and .html versions in /doc.
5. Upgrades to pcregrep:
(i) Added long-form option names like gnu grep.
(ii) Added --help to list all options with an explanatory phrase.
(iii) Added -r, --recursive to recurse into sub-directories.
(iv) Added -f, --file to read patterns from a file.
6. pcre_exec() was referring to its "code" argument before testing that
argument for NULL (and giving an error if it was NULL).
7. Upgraded Makefile.in to allow for compiling in a different directory from
the source directory.
8. Tiny buglet in pcretest: when pcre_fullinfo() was called to retrieve the
options bits, the pointer it was passed was to an int instead of to an unsigned
long int. This mattered only on 64-bit systems.
9. Fixed typo (3.4/1) in pcre.h again. Sigh. I had changed pcre.h (which is
generated) instead of pcre.in, which it its source. Also made the same change
in several of the .c files.
10. A new release of gcc defines printf() as a macro, which broke pcretest
because it had an ifdef in the middle of a string argument for printf(). Fixed
by using separate calls to printf().
11. Added --enable-newline-is-cr and --enable-newline-is-lf to the configure
script, to force use of CR or LF instead of \n in the source. On non-Unix
systems, the value can be set in config.h.
12. The limit of 200 on non-capturing parentheses is a _nesting_ limit, not an
absolute limit. Changed the text of the error message to make this clear, and
likewise updated the man page.
13. The limit of 99 on the number of capturing subpatterns has been removed.
The new limit is 65535, which I hope will not be a "real" limit.
Version 3.4 22-Aug-00
---------------------
1. Fixed typo in pcre.h: unsigned const char * changed to const unsigned char *.
2. Diagnose condition (?(0) as an error instead of crashing on matching.
Version 3.3 01-Aug-00
---------------------
1. If an octal character was given, but the value was greater than \377, it
was not getting masked to the least significant bits, as documented. This could
lead to crashes in some systems.
2. Perl 5.6 (if not earlier versions) accepts classes like [a-\d] and treats
the hyphen as a literal. PCRE used to give an error; it now behaves like Perl.
3. Added the functions pcre_free_substring() and pcre_free_substring_list().
These just pass their arguments on to (pcre_free)(), but they are provided
because some uses of PCRE bind it to non-C systems that can call its functions,
but cannot call free() or pcre_free() directly.
4. Add "make test" as a synonym for "make check". Corrected some comments in
the Makefile.
5. Add $(DESTDIR)/ in front of all the paths in the "install" target in the
Makefile.
6. Changed the name of pgrep to pcregrep, because Solaris has introduced a
command called pgrep for grepping around the active processes.
7. Added the beginnings of support for UTF-8 character strings.
8. Arranged for the Makefile to pass over the settings of CC, CFLAGS, and
RANLIB to ./ltconfig so that they are used by libtool. I think these are all
the relevant ones. (AR is not passed because ./ltconfig does its own figuring
out for the ar command.)
Version 3.2 12-May-00
---------------------
This is purely a bug fixing release.
1. If the pattern /((Z)+|A)*/ was matched agained ZABCDEFG it matched Z instead
of ZA. This was just one example of several cases that could provoke this bug,
which was introduced by change 9 of version 2.00. The code for breaking
infinite loops after an iteration that matches an empty string was't working
correctly.
2. The pcretest program was not imitating Perl correctly for the pattern /a*/g
when matched against abbab (for example). After matching an empty string, it
wasn't forcing anchoring when setting PCRE_NOTEMPTY for the next attempt; this
caused it to match further down the string than it should.
3. The code contained an inclusion of sys/types.h. It isn't clear why this
was there because it doesn't seem to be needed, and it causes trouble on some
systems, as it is not a Standard C header. It has been removed.
4. Made 4 silly changes to the source to avoid stupid compiler warnings that
were reported on the Macintosh. The changes were from
while ((c = *(++ptr)) != 0 && c != '\n');
to
while ((c = *(++ptr)) != 0 && c != '\n') ;
Totally extraordinary, but if that's what it takes...
5. PCRE is being used in one environment where neither memmove() nor bcopy() is
available. Added HAVE_BCOPY and an autoconf test for it; if neither
HAVE_MEMMOVE nor HAVE_BCOPY is set, use a built-in emulation function which
assumes the way PCRE uses memmove() (always moving upwards).
6. PCRE is being used in one environment where strchr() is not available. There
was only one use in pcre.c, and writing it out to avoid strchr() probably gives
faster code anyway.
Version 3.1 09-Feb-00
---------------------
The only change in this release is the fixing of some bugs in Makefile.in for
the "install" target:
(1) It was failing to install pcreposix.h.
(2) It was overwriting the pcre.3 man page with the pcreposix.3 man page.
Version 3.0 01-Feb-00
---------------------
1. Add support for the /+ modifier to perltest (to output $` like it does in
pcretest).
2. Add support for the /g modifier to perltest.
3. Fix pcretest so that it behaves even more like Perl for /g when the pattern
matches null strings.
4. Fix perltest so that it doesn't do unwanted things when fed an empty
pattern. Perl treats empty patterns specially - it reuses the most recent
pattern, which is not what we want. Replace // by /(?#)/ in order to avoid this
effect.
5. The POSIX interface was broken in that it was just handing over the POSIX
captured string vector to pcre_exec(), but (since release 2.00) PCRE has
required a bigger vector, with some working space on the end. This means that
the POSIX wrapper now has to get and free some memory, and copy the results.
6. Added some simple autoconf support, placing the test data and the
documentation in separate directories, re-organizing some of the
information files, and making it build pcre-config (a GNU standard). Also added
libtool support for building PCRE as a shared library, which is now the
default.
7. Got rid of the leading zero in the definition of PCRE_MINOR because 08 and
09 are not valid octal constants. Single digits will be used for minor values
less than 10.
8. Defined REG_EXTENDED and REG_NOSUB as zero in the POSIX header, so that
existing programs that set these in the POSIX interface can use PCRE without
modification.
9. Added a new function, pcre_fullinfo() with an extensible interface. It can
return all that pcre_info() returns, plus additional data. The pcre_info()
function is retained for compatibility, but is considered to be obsolete.
10. Added experimental recursion feature (?R) to handle one common case that
Perl 5.6 will be able to do with (?p{...}).
11. Added support for POSIX character classes like [:alpha:], which Perl is
adopting.
Version 2.08 31-Aug-99
----------------------
1. When startoffset was not zero and the pattern began with ".*", PCRE was not
trying to match at the startoffset position, but instead was moving forward to
the next newline as if a previous match had failed.
2. pcretest was not making use of PCRE_NOTEMPTY when repeating for /g and /G,
and could get into a loop if a null string was matched other than at the start
of the subject.
3. Added definitions of PCRE_MAJOR and PCRE_MINOR to pcre.h so the version can
be distinguished at compile time, and for completeness also added PCRE_DATE.
5. Added Paul Sokolovsky's minor changes to make it easy to compile a Win32 DLL
in GnuWin32 environments.
Version 2.07 29-Jul-99
----------------------
1. The documentation is now supplied in plain text form and HTML as well as in
the form of man page sources.
2. C++ compilers don't like assigning (void *) values to other pointer types.
In particular this affects malloc(). Although there is no problem in Standard
C, I've put in casts to keep C++ compilers happy.
3. Typo on pcretest.c; a cast of (unsigned char *) in the POSIX regexec() call
should be (const char *).
4. If NOPOSIX is defined, pcretest.c compiles without POSIX support. This may
be useful for non-Unix systems who don't want to bother with the POSIX stuff.
However, I haven't made this a standard facility. The documentation doesn't
mention it, and the Makefile doesn't support it.
5. The Makefile now contains an "install" target, with editable destinations at
the top of the file. The pcretest program is not installed.
6. pgrep -V now gives the PCRE version number and date.
7. Fixed bug: a zero repetition after a literal string (e.g. /abcde{0}/) was
causing the entire string to be ignored, instead of just the last character.
8. If a pattern like /"([^\\"]+|\\.)*"/ is applied in the normal way to a
non-matching string, it can take a very, very long time, even for strings of
quite modest length, because of the nested recursion. PCRE now does better in
some of these cases. It does this by remembering the last required literal
character in the pattern, and pre-searching the subject to ensure it is present
before running the real match. In other words, it applies a heuristic to detect
some types of certain failure quickly, and in the above example, if presented
with a string that has no trailing " it gives "no match" very quickly.
9. A new runtime option PCRE_NOTEMPTY causes null string matches to be ignored;
other alternatives are tried instead.
Version 2.06 09-Jun-99
----------------------
1. Change pcretest's output for amount of store used to show just the code
space, because the remainder (the data block) varies in size between 32-bit and
64-bit systems.
2. Added an extra argument to pcre_exec() to supply an offset in the subject to
start matching at. This allows lookbehinds to work when searching for multiple
occurrences in a string.
3. Added additional options to pcretest for testing multiple occurrences:
/+ outputs the rest of the string that follows a match
/g loops for multiple occurrences, using the new startoffset argument
/G loops for multiple occurrences by passing an incremented pointer
4. PCRE wasn't doing the "first character" optimization for patterns starting
with \b or \B, though it was doing it for other lookbehind assertions. That is,
it wasn't noticing that a match for a pattern such as /\bxyz/ has to start with
the letter 'x'. On long subject strings, this gives a significant speed-up.
Version 2.05 21-Apr-99
----------------------
1. Changed the type of magic_number from int to long int so that it works
properly on 16-bit systems.
2. Fixed a bug which caused patterns starting with .* not to work correctly
when the subject string contained newline characters. PCRE was assuming
anchoring for such patterns in all cases, which is not correct because .* will
not pass a newline unless PCRE_DOTALL is set. It now assumes anchoring only if
DOTALL is set at top level; otherwise it knows that patterns starting with .*
must be retried after every newline in the subject.
Version 2.04 18-Feb-99
----------------------
1. For parenthesized subpatterns with repeats whose minimum was zero, the
computation of the store needed to hold the pattern was incorrect (too large).
If such patterns were nested a few deep, this could multiply and become a real
problem.
2. Added /M option to pcretest to show the memory requirement of a specific
pattern. Made -m a synonym of -s (which does this globally) for compatibility.
3. Subpatterns of the form (regex){n,m} (i.e. limited maximum) were being
compiled in such a way that the backtracking after subsequent failure was
pessimal. Something like (a){0,3} was compiled as (a)?(a)?(a)? instead of
((a)((a)(a)?)?)? with disastrous performance if the maximum was of any size.
Version 2.03 02-Feb-99
----------------------
1. Fixed typo and small mistake in man page.
2. Added 4th condition (GPL supersedes if conflict) and created separate
LICENCE file containing the conditions.
3. Updated pcretest so that patterns such as /abc\/def/ work like they do in
Perl, that is the internal \ allows the delimiter to be included in the
pattern. Locked out the use of \ as a delimiter. If \ immediately follows
the final delimiter, add \ to the end of the pattern (to test the error).
4. Added the convenience functions for extracting substrings after a successful
match. Updated pcretest to make it able to test these functions.
Version 2.02 14-Jan-99
----------------------
1. Initialized the working variables associated with each extraction so that
their saving and restoring doesn't refer to uninitialized store.
2. Put dummy code into study.c in order to trick the optimizer of the IBM C
compiler for OS/2 into generating correct code. Apparently IBM isn't going to
fix the problem.
3. Pcretest: the timing code wasn't using LOOPREPEAT for timing execution
calls, and wasn't printing the correct value for compiling calls. Increased the
default value of LOOPREPEAT, and the number of significant figures in the
times.
4. Changed "/bin/rm" in the Makefile to "-rm" so it works on Windows NT.
5. Renamed "deftables" as "dftables" to get it down to 8 characters, to avoid
a building problem on Windows NT with a FAT file system.
Version 2.01 21-Oct-98
----------------------
1. Changed the API for pcre_compile() to allow for the provision of a pointer
to character tables built by pcre_maketables() in the current locale. If NULL
is passed, the default tables are used.
Version 2.00 24-Sep-98
----------------------
1. Since the (>?) facility is in Perl 5.005, don't require PCRE_EXTRA to enable
it any more.
2. Allow quantification of (?>) groups, and make it work correctly.
3. The first character computation wasn't working for (?>) groups.
4. Correct the implementation of \Z (it is permitted to match on the \n at the
end of the subject) and add 5.005's \z, which really does match only at the
very end of the subject.
5. Remove the \X "cut" facility; Perl doesn't have it, and (?> is neater.
6. Remove the ability to specify CASELESS, MULTILINE, DOTALL, and
DOLLAR_END_ONLY at runtime, to make it possible to implement the Perl 5.005
localized options. All options to pcre_study() were also removed.
7. Add other new features from 5.005:
$(?<= positive lookbehind
$(?<! negative lookbehind
(?imsx-imsx) added the unsetting capability
such a setting is global if at outer level; local otherwise
(?imsx-imsx:) non-capturing groups with option setting
(?(cond)re|re) conditional pattern matching
A backreference to itself in a repeated group matches the previous
captured string.
8. General tidying up of studying (both automatic and via "study")
consequential on the addition of new assertions.
9. As in 5.005, unlimited repeated groups that could match an empty substring
are no longer faulted at compile time. Instead, the loop is forcibly broken at
runtime if any iteration does actually match an empty substring.
10. Include the RunTest script in the distribution.
11. Added tests from the Perl 5.005_02 distribution. This showed up a few
discrepancies, some of which were old and were also with respect to 5.004. They
have now been fixed.
Version 1.09 28-Apr-98
----------------------
1. A negated single character class followed by a quantifier with a minimum
value of one (e.g. [^x]{1,6} ) was not compiled correctly. This could lead to
program crashes, or just wrong answers. This did not apply to negated classes
containing more than one character, or to minima other than one.
Version 1.08 27-Mar-98
----------------------
1. Add PCRE_UNGREEDY to invert the greediness of quantifiers.
2. Add (?U) and (?X) to set PCRE_UNGREEDY and PCRE_EXTRA respectively. The
latter must appear before anything that relies on it in the pattern.
Version 1.07 16-Feb-98
----------------------
1. A pattern such as /((a)*)*/ was not being diagnosed as in error (unlimited
repeat of a potentially empty string).
Version 1.06 23-Jan-98
----------------------
1. Added Markus Oberhumer's little patches for C++.
2. Literal strings longer than 255 characters were broken.
Version 1.05 23-Dec-97
----------------------
1. Negated character classes containing more than one character were failing if
PCRE_CASELESS was set at run time.
Version 1.04 19-Dec-97
----------------------
1. Corrected the man page, where some "const" qualifiers had been omitted.
2. Made debugging output print "{0,xxx}" instead of just "{,xxx}" to agree with
input syntax.
3. Fixed memory leak which occurred when a regex with back references was
matched with an offsets vector that wasn't big enough. The temporary memory
that is used in this case wasn't being freed if the match failed.
4. Tidied pcretest to ensure it frees memory that it gets.
5. Temporary memory was being obtained in the case where the passed offsets
vector was exactly big enough.
6. Corrected definition of offsetof() from change 5 below.
7. I had screwed up change 6 below and broken the rules for the use of
setjmp(). Now fixed.
Version 1.03 18-Dec-97
----------------------
1. A erroneous regex with a missing opening parenthesis was correctly
diagnosed, but PCRE attempted to access brastack[-1], which could cause crashes
on some systems.
2. Replaced offsetof(real_pcre, code) by offsetof(real_pcre, code[0]) because
it was reported that one broken compiler failed on the former because "code" is
also an independent variable.
3. The erroneous regex a[]b caused an array overrun reference.
4. A regex ending with a one-character negative class (e.g. /[^k]$/) did not
fail on data ending with that character. (It was going on too far, and checking
the next character, typically a binary zero.) This was specific to the
optimized code for single-character negative classes.
5. Added a contributed patch from the TIN world which does the following:
+ Add an undef for memmove, in case the the system defines a macro for it.
+ Add a definition of offsetof(), in case there isn't one. (I don't know
the reason behind this - offsetof() is part of the ANSI standard - but
it does no harm).
+ Reduce the ifdef's in pcre.c using macro DPRINTF, thereby eliminating
most of the places where whitespace preceded '#'. I have given up and
allowed the remaining 2 cases to be at the margin.
+ Rename some variables in pcre to eliminate shadowing. This seems very
pedantic, but does no harm, of course.
6. Moved the call to setjmp() into its own function, to get rid of warnings
from gcc -Wall, and avoided calling it at all unless PCRE_EXTRA is used.
7. Constructs such as \d{8,} were compiling into the equivalent of
\d{8}\d{0,65527} instead of \d{8}\d* which didn't make much difference to the
outcome, but in this particular case used more store than had been allocated,
which caused the bug to be discovered because it threw up an internal error.
8. The debugging code in both pcre and pcretest for outputting the compiled
form of a regex was going wrong in the case of back references followed by
curly-bracketed repeats.
Version 1.02 12-Dec-97
----------------------
1. Typos in pcre.3 and comments in the source fixed.
2. Applied a contributed patch to get rid of places where it used to remove
'const' from variables, and fixed some signed/unsigned and uninitialized
variable warnings.
3. Added the "runtest" target to Makefile.
4. Set default compiler flag to -O2 rather than just -O.
Version 1.01 19-Nov-97
----------------------
1. PCRE was failing to diagnose unlimited repeat of empty string for patterns
like /([ab]*)*/, that is, for classes with more than one character in them.
2. Likewise, it wasn't diagnosing patterns with "once-only" subpatterns, such
as /((?>a*))*/ (a PCRE_EXTRA facility).
Version 1.00 18-Nov-97
----------------------
1. Added compile-time macros to support systems such as SunOS4 which don't have
memmove() or strerror() but have other things that can be used instead.
2. Arranged that "make clean" removes the executables.
Version 0.99 27-Oct-97
----------------------
1. Fixed bug in code for optimizing classes with only one character. It was
initializing a 32-byte map regardless, which could cause it to run off the end
of the memory it had got.
2. Added, conditional on PCRE_EXTRA, the proposed (?>REGEX) construction.
Version 0.98 22-Oct-97
----------------------
1. Fixed bug in code for handling temporary memory usage when there are more
back references than supplied space in the ovector. This could cause segfaults.
Version 0.97 21-Oct-97
----------------------
1. Added the \X "cut" facility, conditional on PCRE_EXTRA.
2. Optimized negated single characters not to use a bit map.
3. Brought error texts together as macro definitions; clarified some of them;
fixed one that was wrong - it said "range out of order" when it meant "invalid
escape sequence".
4. Changed some char * arguments to const char *.
5. Added PCRE_NOTBOL and PCRE_NOTEOL (from POSIX).
6. Added the POSIX-style API wrapper in pcreposix.a and testing facilities in
pcretest.
Version 0.96 16-Oct-97
----------------------
1. Added a simple "pgrep" utility to the distribution.
2. Fixed an incompatibility with Perl: "{" is now treated as a normal character
unless it appears in one of the precise forms "{ddd}", "{ddd,}", or "{ddd,ddd}"
where "ddd" means "one or more decimal digits".
3. Fixed serious bug. If a pattern had a back reference, but the call to
pcre_exec() didn't supply a large enough ovector to record the related
identifying subpattern, the match always failed. PCRE now remembers the number
of the largest back reference, and gets some temporary memory in which to save
the offsets during matching if necessary, in order to ensure that
backreferences always work.
4. Increased the compatibility with Perl in a number of ways:
(a) . no longer matches \n by default; an option PCRE_DOTALL is provided
to request this handling. The option can be set at compile or exec time.
(b) $ matches before a terminating newline by default; an option
PCRE_DOLLAR_ENDONLY is provided to override this (but not in multiline
mode). The option can be set at compile or exec time.
(c) The handling of \ followed by a digit other than 0 is now supposed to be
the same as Perl's. If the decimal number it represents is less than 10
or there aren't that many previous left capturing parentheses, an octal
escape is read. Inside a character class, it's always an octal escape,
even if it is a single digit.
(d) An escaped but undefined alphabetic character is taken as a literal,
unless PCRE_EXTRA is set. Currently this just reserves the remaining
escapes.
(e) {0} is now permitted. (The previous item is removed from the compiled
pattern).
5. Changed all the names of code files so that the basic parts are no longer
than 10 characters, and abolished the teeny "globals.c" file.
6. Changed the handling of character classes; they are now done with a 32-byte
bit map always.
7. Added the -d and /D options to pcretest to make it possible to look at the
internals of compilation without having to recompile pcre.
Version 0.95 23-Sep-97
----------------------
1. Fixed bug in pre-pass concerning escaped "normal" characters such as \x5c or
\x20 at the start of a run of normal characters. These were being treated as
real characters, instead of the source characters being re-checked.
Version 0.94 18-Sep-97
----------------------
1. The functions are now thread-safe, with the caveat that the global variables
containing pointers to malloc() and free() or alternative functions are the
same for all threads.
2. Get pcre_study() to generate a bitmap of initial characters for non-
anchored patterns when this is possible, and use it if passed to pcre_exec().
Version 0.93 15-Sep-97
----------------------
1. /(b)|(:+)/ was computing an incorrect first character.
2. Add pcre_study() to the API and the passing of pcre_extra to pcre_exec(),
but not actually doing anything yet.
3. Treat "-" characters in classes that cannot be part of ranges as literals,
as Perl does (e.g. [-az] or [az-]).
4. Set the anchored flag if a branch starts with .* or .*? because that tests
all possible positions.
5. Split up into different modules to avoid including unneeded functions in a
compiled binary. However, compile and exec are still in one module. The "study"
function is split off.
6. The character tables are now in a separate module whose source is generated
by an auxiliary program - but can then be edited by hand if required. There are
now no calls to isalnum(), isspace(), isdigit(), isxdigit(), tolower() or
toupper() in the code.
7. Turn the malloc/free funtions variables into pcre_malloc and pcre_free and
make them global. Abolish the function for setting them, as the caller can now
set them directly.
Version 0.92 11-Sep-97
----------------------
1. A repeat with a fixed maximum and a minimum of 1 for an ordinary character
(e.g. /a{1,3}/) was broken (I mis-optimized it).
2. Caseless matching was not working in character classes if the characters in
the pattern were in upper case.
3. Make ranges like [W-c] work in the same way as Perl for caseless matching.
4. Make PCRE_ANCHORED public and accept as a compile option.
5. Add an options word to pcre_exec() and accept PCRE_ANCHORED and
PCRE_CASELESS at run time. Add escapes \A and \I to pcretest to cause it to
pass them.
6. Give an error if bad option bits passed at compile or run time.
7. Add PCRE_MULTILINE at compile and exec time, and (?m) as well. Add \M to
pcretest to cause it to pass that flag.
8. Add pcre_info(), to get the number of identifying subpatterns, the stored
options, and the first character, if set.
9. Recognize C+ or C{n,m} where n >= 1 as providing a fixed starting character.
Version 0.91 10-Sep-97
----------------------
1. PCRE was failing to diagnose unlimited repeats of subpatterns that could
match the empty string as in /(a*)*/. It was looping and ultimately crashing.
2. PCRE was looping on encountering an indefinitely repeated back reference to
a subpattern that had matched an empty string, e.g. /(a|)\1*/. It now does what
Perl does - treats the match as successful.
****
+67
View File
@@ -0,0 +1,67 @@
#! /usr/bin/perl
# A script to scan PCRE's man pages to check for typos in the control
# sequences. I use only a small set of the available repertoire, so it is
# straightforward to check that nothing else has slipped in by mistake. This
# script should be called in the doc directory.
$yield = 0;
while (scalar(@ARGV) > 0)
{
$line = 0;
$file = shift @ARGV;
open (IN, $file) || die "Failed to open $file\n";
while (<IN>)
{
$line++;
if (/^\s*$/)
{
printf "Empty line $line of $file\n";
$yield = 1;
}
elsif (/^\./)
{
if (!/^\.\s*$|
^\.B\s+\S|
^\.TH\s\S|
^\.SH\s\S|
^\.SS\s\S|
^\.TP(?:\s?\d+)?\s*$|
^\.SM\s*$|
^\.br\s*$|
^\.rs\s*$|
^\.sp\s*$|
^\.nf\s*$|
^\.fi\s*$|
^\.P\s*$|
^\.PP\s*$|
^\.\\"(?:\ HREF)?\s*$|
^\.\\"\sHTML\s<a\shref="[^"]+?">\s*$|
^\.\\"\sHTML\s<a\sname="[^"]+?"><\/a>\s*$|
^\.\\"\s<\/a>\s*$|
^\.\\"\sJOINSH\s*$|
^\.\\"\sJOIN\s*$/x
)
{
printf "Bad control line $line of $file\n";
$yield = 1;
}
}
else
{
if (/\\[^ef]|\\f[^IBP]/)
{
printf "Bad backslash in line $line of $file\n";
$yield = 1;
}
}
}
close(IN);
}
exit $yield;
# End
+113
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@@ -0,0 +1,113 @@
#! /usr/bin/perl -w
# Script to take the output of nroff -man and remove all the backspacing and
# the page footers and the screen commands etc so that it is more usefully
# readable online. In fact, in the latest nroff, intermediate footers don't
# seem to be generated any more.
$blankcount = 0;
$lastwascut = 0;
$firstheader = 1;
# Input on STDIN; output to STDOUT.
while (<STDIN>)
{
s/\x1b\[\d+m//g; # Remove screen controls "ESC [ number m"
s/.\x8//g; # Remove "char, backspace"
# Handle header lines. Retain only the first one we encounter, but remove
# the blank line that follows. Any others (e.g. at end of document) and the
# following blank line are dropped.
if (/^PCRE(\w*)\(([13])\)\s+PCRE\1\(\2\)$/)
{
if ($firstheader)
{
$firstheader = 0;
print;
$lastprinted = $_;
$lastwascut = 0;
}
$_=<STDIN>; # Remove a blank that follows
next;
}
# Count runs of empty lines
if (/^\s*$/)
{
$blankcount++;
$lastwascut = 0;
next;
}
# If a chunk of lines has been cut out (page footer) and the next line
# has a different indentation, put back one blank line.
if ($lastwascut && $blankcount < 1 && defined($lastprinted))
{
($a) = $lastprinted =~ /^(\s*)/;
($b) = $_ =~ /^(\s*)/;
$blankcount++ if ($a ne $b);
}
# We get here only when we have a non-blank line in hand. If it was preceded
# by 3 or more blank lines, read the next 3 lines and see if they are blank.
# If so, remove all 7 lines, and remember that we have just done a cut.
if ($blankcount >= 3)
{
for ($i = 0; $i < 3; $i++)
{
$next[$i] = <STDIN>;
$next[$i] = "" if !defined $next[$i];
$next[$i] =~ s/\x1b\[\d+m//g; # Remove screen controls "ESC [ number m"
$next[$i] =~ s/.\x8//g; # Remove "char, backspace"
}
# Cut out chunks of the form <3 blanks><non-blank><3 blanks>
if ($next[0] =~ /^\s*$/ &&
$next[1] =~ /^\s*$/ &&
$next[2] =~ /^\s*$/)
{
$blankcount -= 3;
$lastwascut = 1;
}
# Otherwise output the saved blanks, the current, and the next three
# lines. Remember the last printed line.
else
{
for ($i = 0; $i < $blankcount; $i++) { print "\n"; }
print;
for ($i = 0; $i < 3; $i++)
{
$next[$i] =~ s/.\x8//g;
print $next[$i];
$lastprinted = $_;
}
$lastwascut = 0;
$blankcount = 0;
}
}
# This non-blank line is not preceded by 3 or more blank lines. Output
# any blanks there are, and the line. Remember it. Force two blank lines
# before headings.
else
{
$blankcount = 2 if /^\S/ && !/^Last updated/ && !/^Copyright/ &&
defined($lastprinted);
for ($i = 0; $i < $blankcount; $i++) { print "\n"; }
print;
$lastprinted = $_;
$lastwascut = 0;
$blankcount = 0;
}
}
# End
+35
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@@ -0,0 +1,35 @@
#!/usr/bin/perl
# This is a script for removing trailing whitespace from lines in files that
# are listed on the command line.
# This subroutine does the work for one file.
sub detrail {
my($file) = $_[0];
my($changed) = 0;
open(IN, "$file") || die "Can't open $file for input";
@lines = <IN>;
close(IN);
foreach (@lines)
{
if (/\s+\n$/)
{
s/\s+\n$/\n/;
$changed = 1;
}
}
if ($changed)
{
open(OUT, ">$file") || die "Can't open $file for output";
print OUT @lines;
close(OUT);
}
}
# This is the main program
$, = ""; # Output field separator
for ($i = 0; $i < @ARGV; $i++) { &detrail($ARGV[$i]); }
# End
+528
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@@ -0,0 +1,528 @@
Technical Notes about PCRE
--------------------------
These are very rough technical notes that record potentially useful information
about PCRE internals. For information about testing PCRE, see the pcretest
documentation and the comment at the head of the RunTest file.
Historical note 1
-----------------
Many years ago I implemented some regular expression functions to an algorithm
suggested by Martin Richards. These were not Unix-like in form, and were quite
restricted in what they could do by comparison with Perl. The interesting part
about the algorithm was that the amount of space required to hold the compiled
form of an expression was known in advance. The code to apply an expression did
not operate by backtracking, as the original Henry Spencer code and current
Perl code does, but instead checked all possibilities simultaneously by keeping
a list of current states and checking all of them as it advanced through the
subject string. In the terminology of Jeffrey Friedl's book, it was a "DFA
algorithm", though it was not a traditional Finite State Machine (FSM). When
the pattern was all used up, all remaining states were possible matches, and
the one matching the longest subset of the subject string was chosen. This did
not necessarily maximize the individual wild portions of the pattern, as is
expected in Unix and Perl-style regular expressions.
Historical note 2
-----------------
By contrast, the code originally written by Henry Spencer (which was
subsequently heavily modified for Perl) compiles the expression twice: once in
a dummy mode in order to find out how much store will be needed, and then for
real. (The Perl version probably doesn't do this any more; I'm talking about
the original library.) The execution function operates by backtracking and
maximizing (or, optionally, minimizing in Perl) the amount of the subject that
matches individual wild portions of the pattern. This is an "NFA algorithm" in
Friedl's terminology.
OK, here's the real stuff
-------------------------
For the set of functions that form the "basic" PCRE library (which are
unrelated to those mentioned above), I tried at first to invent an algorithm
that used an amount of store bounded by a multiple of the number of characters
in the pattern, to save on compiling time. However, because of the greater
complexity in Perl regular expressions, I couldn't do this. In any case, a
first pass through the pattern is helpful for other reasons.
Support for 16-bit and 32-bit data strings
-------------------------------------------
From release 8.30, PCRE supports 16-bit as well as 8-bit data strings; and from
release 8.32, PCRE supports 32-bit data strings. The library can be compiled
in any combination of 8-bit, 16-bit or 32-bit modes, creating up to three
different libraries. In the description that follows, the word "short" is used
for a 16-bit data quantity, and the word "unit" is used for a quantity that is
a byte in 8-bit mode, a short in 16-bit mode and a 32-bit word in 32-bit mode.
However, so as not to over-complicate the text, the names of PCRE functions are
given in 8-bit form only.
Computing the memory requirement: how it was
--------------------------------------------
Up to and including release 6.7, PCRE worked by running a very degenerate first
pass to calculate a maximum store size, and then a second pass to do the real
compile - which might use a bit less than the predicted amount of memory. The
idea was that this would turn out faster than the Henry Spencer code because
the first pass is degenerate and the second pass can just store stuff straight
into the vector, which it knows is big enough.
Computing the memory requirement: how it is
-------------------------------------------
By the time I was working on a potential 6.8 release, the degenerate first pass
had become very complicated and hard to maintain. Indeed one of the early
things I did for 6.8 was to fix Yet Another Bug in the memory computation. Then
I had a flash of inspiration as to how I could run the real compile function in
a "fake" mode that enables it to compute how much memory it would need, while
actually only ever using a few hundred bytes of working memory, and without too
many tests of the mode that might slow it down. So I refactored the compiling
functions to work this way. This got rid of about 600 lines of source. It
should make future maintenance and development easier. As this was such a major
change, I never released 6.8, instead upping the number to 7.0 (other quite
major changes were also present in the 7.0 release).
A side effect of this work was that the previous limit of 200 on the nesting
depth of parentheses was removed. However, there is a downside: pcre_compile()
runs more slowly than before (30% or more, depending on the pattern) because it
is doing a full analysis of the pattern. My hope was that this would not be a
big issue, and in the event, nobody has commented on it.
At release 8.34, a limit on the nesting depth of parentheses was re-introduced
(default 250, settable at build time) so as to put a limit on the amount of
system stack used by pcre_compile(). This is a safety feature for environments
with small stacks where the patterns are provided by users.
Traditional matching function
-----------------------------
The "traditional", and original, matching function is called pcre_exec(), and
it implements an NFA algorithm, similar to the original Henry Spencer algorithm
and the way that Perl works. This is not surprising, since it is intended to be
as compatible with Perl as possible. This is the function most users of PCRE
will use most of the time. From release 8.20, if PCRE is compiled with
just-in-time (JIT) support, and studying a compiled pattern with JIT is
successful, the JIT code is run instead of the normal pcre_exec() code, but the
result is the same.
Supplementary matching function
-------------------------------
From PCRE 6.0, there is also a supplementary matching function called
pcre_dfa_exec(). This implements a DFA matching algorithm that searches
simultaneously for all possible matches that start at one point in the subject
string. (Going back to my roots: see Historical Note 1 above.) This function
intreprets the same compiled pattern data as pcre_exec(); however, not all the
facilities are available, and those that are do not always work in quite the
same way. See the user documentation for details.
The algorithm that is used for pcre_dfa_exec() is not a traditional FSM,
because it may have a number of states active at one time. More work would be
needed at compile time to produce a traditional FSM where only one state is
ever active at once. I believe some other regex matchers work this way. JIT
support is not available for this kind of matching.
Changeable options
------------------
The /i, /m, or /s options (PCRE_CASELESS, PCRE_MULTILINE, PCRE_DOTALL, and some
others) may change in the middle of patterns. From PCRE 8.13, their processing
is handled entirely at compile time by generating different opcodes for the
different settings. The runtime functions do not need to keep track of an
options state any more.
Format of compiled patterns
---------------------------
The compiled form of a pattern is a vector of unsigned units (bytes in 8-bit
mode, shorts in 16-bit mode, 32-bit words in 32-bit mode), containing items of
variable length. The first unit in an item contains an opcode, and the length
of the item is either implicit in the opcode or contained in the data that
follows it.
In many cases listed below, LINK_SIZE data values are specified for offsets
within the compiled pattern. LINK_SIZE always specifies a number of bytes. The
default value for LINK_SIZE is 2, but PCRE can be compiled to use 3-byte or
4-byte values for these offsets, although this impairs the performance. (3-byte
LINK_SIZE values are available only in 8-bit mode.) Specifing a LINK_SIZE
larger than 2 is necessary only when patterns whose compiled length is greater
than 64K are going to be processed. In this description, we assume the "normal"
compilation options. Data values that are counts (e.g. quantifiers) are two
bytes long in 8-bit mode (most significant byte first), or one unit in 16-bit
and 32-bit modes.
Opcodes with no following data
------------------------------
These items are all just one unit long
OP_END end of pattern
OP_ANY match any one character other than newline
OP_ALLANY match any one character, including newline
OP_ANYBYTE match any single unit, even in UTF-8/16 mode
OP_SOD match start of data: \A
OP_SOM, start of match (subject + offset): \G
OP_SET_SOM, set start of match (\K)
OP_CIRC ^ (start of data)
OP_CIRCM ^ multiline mode (start of data or after newline)
OP_NOT_WORD_BOUNDARY \W
OP_WORD_BOUNDARY \w
OP_NOT_DIGIT \D
OP_DIGIT \d
OP_NOT_HSPACE \H
OP_HSPACE \h
OP_NOT_WHITESPACE \S
OP_WHITESPACE \s
OP_NOT_VSPACE \V
OP_VSPACE \v
OP_NOT_WORDCHAR \W
OP_WORDCHAR \w
OP_EODN match end of data or newline at end: \Z
OP_EOD match end of data: \z
OP_DOLL $ (end of data, or before final newline)
OP_DOLLM $ multiline mode (end of data or before newline)
OP_EXTUNI match an extended Unicode grapheme cluster
OP_ANYNL match any Unicode newline sequence
OP_ASSERT_ACCEPT )
OP_ACCEPT ) These are Perl 5.10's "backtracking control
OP_COMMIT ) verbs". If OP_ACCEPT is inside capturing
OP_FAIL ) parentheses, it may be preceded by one or more
OP_PRUNE ) OP_CLOSE, each followed by a count that
OP_SKIP ) indicates which parentheses must be closed.
OP_THEN )
OP_ASSERT_ACCEPT is used when (*ACCEPT) is encountered within an assertion.
This ends the assertion, not the entire pattern match.
Backtracking control verbs with optional data
---------------------------------------------
(*THEN) without an argument generates the opcode OP_THEN and no following data.
OP_MARK is followed by the mark name, preceded by a one-unit length, and
followed by a binary zero. For (*PRUNE), (*SKIP), and (*THEN) with arguments,
the opcodes OP_PRUNE_ARG, OP_SKIP_ARG, and OP_THEN_ARG are used, with the name
following in the same format as OP_MARK.
Matching literal characters
---------------------------
The OP_CHAR opcode is followed by a single character that is to be matched
casefully. For caseless matching, OP_CHARI is used. In UTF-8 or UTF-16 modes,
the character may be more than one unit long. In UTF-32 mode, characters
are always exactly one unit long.
If there is only one character in a character class, OP_CHAR or OP_CHARI is
used for a positive class, and OP_NOT or OP_NOTI for a negative one (that is,
for something like [^a]).
Repeating single characters
---------------------------
The common repeats (*, +, ?), when applied to a single character, use the
following opcodes, which come in caseful and caseless versions:
Caseful Caseless
OP_STAR OP_STARI
OP_MINSTAR OP_MINSTARI
OP_POSSTAR OP_POSSTARI
OP_PLUS OP_PLUSI
OP_MINPLUS OP_MINPLUSI
OP_POSPLUS OP_POSPLUSI
OP_QUERY OP_QUERYI
OP_MINQUERY OP_MINQUERYI
OP_POSQUERY OP_POSQUERYI
Each opcode is followed by the character that is to be repeated. In ASCII mode,
these are two-unit items; in UTF-8 or UTF-16 modes, the length is variable; in
UTF-32 mode these are one-unit items. Those with "MIN" in their names are the
minimizing versions. Those with "POS" in their names are possessive versions.
Other repeats make use of these opcodes:
Caseful Caseless
OP_UPTO OP_UPTOI
OP_MINUPTO OP_MINUPTOI
OP_POSUPTO OP_POSUPTOI
OP_EXACT OP_EXACTI
Each of these is followed by a count and then the repeated character. OP_UPTO
matches from 0 to the given number. A repeat with a non-zero minimum and a
fixed maximum is coded as an OP_EXACT followed by an OP_UPTO (or OP_MINUPTO or
OPT_POSUPTO).
Another set of matching repeating opcodes (called OP_NOTSTAR, OP_NOTSTARI,
etc.) are used for repeated, negated, single-character classes such as [^a]*.
The normal single-character opcodes (OP_STAR, etc.) are used for repeated
positive single-character classes.
Repeating character types
-------------------------
Repeats of things like \d are done exactly as for single characters, except
that instead of a character, the opcode for the type is stored in the data
unit. The opcodes are:
OP_TYPESTAR
OP_TYPEMINSTAR
OP_TYPEPOSSTAR
OP_TYPEPLUS
OP_TYPEMINPLUS
OP_TYPEPOSPLUS
OP_TYPEQUERY
OP_TYPEMINQUERY
OP_TYPEPOSQUERY
OP_TYPEUPTO
OP_TYPEMINUPTO
OP_TYPEPOSUPTO
OP_TYPEEXACT
Match by Unicode property
-------------------------
OP_PROP and OP_NOTPROP are used for positive and negative matches of a
character by testing its Unicode property (the \p and \P escape sequences).
Each is followed by two units that encode the desired property as a type and a
value. The types are a set of #defines of the form PT_xxx, and the values are
enumerations of the form ucp_xx, defined in the ucp.h source file. The value is
relevant only for PT_GC (General Category), PT_PC (Particular Category), and
PT_SC (Script).
Repeats of these items use the OP_TYPESTAR etc. set of opcodes, followed by
three units: OP_PROP or OP_NOTPROP, and then the desired property type and
value.
Character classes
-----------------
If there is only one character in a class, OP_CHAR or OP_CHARI is used for a
positive class, and OP_NOT or OP_NOTI for a negative one (that is, for
something like [^a]).
A set of repeating opcodes (called OP_NOTSTAR etc.) are used for repeated,
negated, single-character classes. The normal single-character opcodes
(OP_STAR, etc.) are used for repeated positive single-character classes.
When there is more than one character in a class, and all the code points are
less than 256, OP_CLASS is used for a positive class, and OP_NCLASS for a
negative one. In either case, the opcode is followed by a 32-byte (16-short,
8-word) bit map containing a 1 bit for every character that is acceptable. The
bits are counted from the least significant end of each unit. In caseless mode,
bits for both cases are set.
The reason for having both OP_CLASS and OP_NCLASS is so that, in UTF-8/16/32
mode, subject characters with values greater than 255 can be handled correctly.
For OP_CLASS they do not match, whereas for OP_NCLASS they do.
For classes containing characters with values greater than 255 or that contain
\p or \P, OP_XCLASS is used. It optionally uses a bit map if any code points
are less than 256, followed by a list of pairs (for a range) and single
characters. In caseless mode, both cases are explicitly listed.
OP_XCLASS is followed by a unit containing flag bits: XCL_NOT indicates that
this is a negative class, and XCL_MAP indicates that a bit map is present.
There follows the bit map, if XCL_MAP is set, and then a sequence of items
coded as follows:
XCL_END marks the end of the list
XCL_SINGLE one character follows
XCL_RANGE two characters follow
XCL_PROP a Unicode property (type, value) follows
XCL_NOTPROP a Unicode property (type, value) follows
If a range starts with a code point less than 256 and ends with one greater
than 256, an XCL_RANGE item is used, without setting any bits in the bit map.
This means that if no other items in the class set bits in the map, a map is
not needed.
Back references
---------------
OP_REF (caseful) or OP_REFI (caseless) is followed by a count containing the
reference number if the reference is to a unique capturing group (either by
number or by name). When named groups are used, there may be more than one
group with the same name. In this case, a reference by name generates OP_DNREF
or OP_DNREFI. These are followed by two counts: the index (not the byte offset)
in the group name table of the first entry for the requred name, followed by
the number of groups with the same name.
Repeating character classes and back references
-----------------------------------------------
Single-character classes are handled specially (see above). This section
applies to other classes and also to back references. In both cases, the repeat
information follows the base item. The matching code looks at the following
opcode to see if it is one of
OP_CRSTAR
OP_CRMINSTAR
OP_CRPOSSTAR
OP_CRPLUS
OP_CRMINPLUS
OP_CRPOSPLUS
OP_CRQUERY
OP_CRMINQUERY
OP_CRPOSQUERY
OP_CRRANGE
OP_CRMINRANGE
OP_CRPOSRANGE
All but the last three are single-unit items, with no data. The others are
followed by the minimum and maximum repeat counts.
Brackets and alternation
------------------------
A pair of non-capturing round brackets is wrapped round each expression at
compile time, so alternation always happens in the context of brackets.
[Note for North Americans: "bracket" to some English speakers, including
myself, can be round, square, curly, or pointy. Hence this usage rather than
"parentheses".]
Non-capturing brackets use the opcode OP_BRA. Originally PCRE was limited to 99
capturing brackets and it used a different opcode for each one. From release
3.5, the limit was removed by putting the bracket number into the data for
higher-numbered brackets. From release 7.0 all capturing brackets are handled
this way, using the single opcode OP_CBRA.
A bracket opcode is followed by LINK_SIZE bytes which give the offset to the
next alternative OP_ALT or, if there aren't any branches, to the matching
OP_KET opcode. Each OP_ALT is followed by LINK_SIZE bytes giving the offset to
the next one, or to the OP_KET opcode. For capturing brackets, the bracket
number is a count that immediately follows the offset.
OP_KET is used for subpatterns that do not repeat indefinitely, and OP_KETRMIN
and OP_KETRMAX are used for indefinite repetitions, minimally or maximally
respectively (see below for possessive repetitions). All three are followed by
LINK_SIZE bytes giving (as a positive number) the offset back to the matching
bracket opcode.
If a subpattern is quantified such that it is permitted to match zero times, it
is preceded by one of OP_BRAZERO, OP_BRAMINZERO, or OP_SKIPZERO. These are
single-unit opcodes that tell the matcher that skipping the following
subpattern entirely is a valid branch. In the case of the first two, not
skipping the pattern is also valid (greedy and non-greedy). The third is used
when a pattern has the quantifier {0,0}. It cannot be entirely discarded,
because it may be called as a subroutine from elsewhere in the regex.
A subpattern with an indefinite maximum repetition is replicated in the
compiled data its minimum number of times (or once with OP_BRAZERO if the
minimum is zero), with the final copy terminating with OP_KETRMIN or OP_KETRMAX
as appropriate.
A subpattern with a bounded maximum repetition is replicated in a nested
fashion up to the maximum number of times, with OP_BRAZERO or OP_BRAMINZERO
before each replication after the minimum, so that, for example, (abc){2,5} is
compiled as (abc)(abc)((abc)((abc)(abc)?)?)?, except that each bracketed group
has the same number.
When a repeated subpattern has an unbounded upper limit, it is checked to see
whether it could match an empty string. If this is the case, the opcode in the
final replication is changed to OP_SBRA or OP_SCBRA. This tells the matcher
that it needs to check for matching an empty string when it hits OP_KETRMIN or
OP_KETRMAX, and if so, to break the loop.
Possessive brackets
-------------------
When a repeated group (capturing or non-capturing) is marked as possessive by
the "+" notation, e.g. (abc)++, different opcodes are used. Their names all
have POS on the end, e.g. OP_BRAPOS instead of OP_BRA and OP_SCPBRPOS instead
of OP_SCBRA. The end of such a group is marked by OP_KETRPOS. If the minimum
repetition is zero, the group is preceded by OP_BRAPOSZERO.
Once-only (atomic) groups
-------------------------
These are just like other subpatterns, but they start with the opcode
OP_ONCE or OP_ONCE_NC. The former is used when there are no capturing brackets
within the atomic group; the latter when there are. The distinction is needed
for when there is a backtrack to before the group - any captures within the
group must be reset, so it is necessary to retain backtracking points inside
the group even after it is complete in order to do this. When there are no
captures in an atomic group, all the backtracking can be discarded when it is
complete. This is more efficient, and also uses less stack.
The check for matching an empty string in an unbounded repeat is handled
entirely at runtime, so there are just these two opcodes for atomic groups.
Assertions
----------
Forward assertions are also just like other subpatterns, but starting with one
of the opcodes OP_ASSERT or OP_ASSERT_NOT. Backward assertions use the opcodes
OP_ASSERTBACK and OP_ASSERTBACK_NOT, and the first opcode inside the assertion
is OP_REVERSE, followed by a count of the number of characters to move back the
pointer in the subject string. In ASCII mode, the count is a number of units,
but in UTF-8/16 mode each character may occupy more than one unit; in UTF-32
mode each character occupies exactly one unit. A separate count is present in
each alternative of a lookbehind assertion, allowing them to have different
fixed lengths.
Conditional subpatterns
-----------------------
These are like other subpatterns, but they start with the opcode OP_COND, or
OP_SCOND for one that might match an empty string in an unbounded repeat. If
the condition is a back reference, this is stored at the start of the
subpattern using the opcode OP_CREF followed by a count containing the
reference number, provided that the reference is to a unique capturing group.
If the reference was by name and there is more than one group with that name,
OP_DNCREF is used instead. It is followed by two counts: the index in the group
names table, and the number of groups with the same name.
If the condition is "in recursion" (coded as "(?(R)"), or "in recursion of
group x" (coded as "(?(Rx)"), the group number is stored at the start of the
subpattern using the opcode OP_RREF (with a value of zero for "the whole
pattern") or OP_DNRREF (with data as for OP_DNCREF). For a DEFINE condition,
just the single unit OP_DEF is used (it has no associated data). Otherwise, a
conditional subpattern always starts with one of the assertions.
Recursion
---------
Recursion either matches the current regex, or some subexpression. The opcode
OP_RECURSE is followed by aLINK_SIZE value that is the offset to the starting
bracket from the start of the whole pattern. From release 6.5, OP_RECURSE is
automatically wrapped inside OP_ONCE brackets, because otherwise some patterns
broke it. OP_RECURSE is also used for "subroutine" calls, even though they are
not strictly a recursion.
Callout
-------
OP_CALLOUT is followed by one unit of data that holds a callout number in the
range 0 to 254 for manual callouts, or 255 for an automatic callout. In both
cases there follows a count giving the offset in the pattern string to the
start of the following item, and another count giving the length of this item.
These values make is possible for pcretest to output useful tracing information
using automatic callouts.
Philip Hazel
November 2013
+370
View File
@@ -0,0 +1,370 @@
Installation Instructions
*************************
Copyright (C) 1994-1996, 1999-2002, 2004-2013 Free Software Foundation,
Inc.
Copying and distribution of this file, with or without modification,
are permitted in any medium without royalty provided the copyright
notice and this notice are preserved. This file is offered as-is,
without warranty of any kind.
Basic Installation
==================
Briefly, the shell command `./configure && make && make install'
should configure, build, and install this package. The following
more-detailed instructions are generic; see the `README' file for
instructions specific to this package. Some packages provide this
`INSTALL' file but do not implement all of the features documented
below. The lack of an optional feature in a given package is not
necessarily a bug. More recommendations for GNU packages can be found
in *note Makefile Conventions: (standards)Makefile Conventions.
The `configure' shell script attempts to guess correct values for
various system-dependent variables used during compilation. It uses
those values to create a `Makefile' in each directory of the package.
It may also create one or more `.h' files containing system-dependent
definitions. Finally, it creates a shell script `config.status' that
you can run in the future to recreate the current configuration, and a
file `config.log' containing compiler output (useful mainly for
debugging `configure').
It can also use an optional file (typically called `config.cache'
and enabled with `--cache-file=config.cache' or simply `-C') that saves
the results of its tests to speed up reconfiguring. Caching is
disabled by default to prevent problems with accidental use of stale
cache files.
If you need to do unusual things to compile the package, please try
to figure out how `configure' could check whether to do them, and mail
diffs or instructions to the address given in the `README' so they can
be considered for the next release. If you are using the cache, and at
some point `config.cache' contains results you don't want to keep, you
may remove or edit it.
The file `configure.ac' (or `configure.in') is used to create
`configure' by a program called `autoconf'. You need `configure.ac' if
you want to change it or regenerate `configure' using a newer version
of `autoconf'.
The simplest way to compile this package is:
1. `cd' to the directory containing the package's source code and type
`./configure' to configure the package for your system.
Running `configure' might take a while. While running, it prints
some messages telling which features it is checking for.
2. Type `make' to compile the package.
3. Optionally, type `make check' to run any self-tests that come with
the package, generally using the just-built uninstalled binaries.
4. Type `make install' to install the programs and any data files and
documentation. When installing into a prefix owned by root, it is
recommended that the package be configured and built as a regular
user, and only the `make install' phase executed with root
privileges.
5. Optionally, type `make installcheck' to repeat any self-tests, but
this time using the binaries in their final installed location.
This target does not install anything. Running this target as a
regular user, particularly if the prior `make install' required
root privileges, verifies that the installation completed
correctly.
6. You can remove the program binaries and object files from the
source code directory by typing `make clean'. To also remove the
files that `configure' created (so you can compile the package for
a different kind of computer), type `make distclean'. There is
also a `make maintainer-clean' target, but that is intended mainly
for the package's developers. If you use it, you may have to get
all sorts of other programs in order to regenerate files that came
with the distribution.
7. Often, you can also type `make uninstall' to remove the installed
files again. In practice, not all packages have tested that
uninstallation works correctly, even though it is required by the
GNU Coding Standards.
8. Some packages, particularly those that use Automake, provide `make
distcheck', which can by used by developers to test that all other
targets like `make install' and `make uninstall' work correctly.
This target is generally not run by end users.
Compilers and Options
=====================
Some systems require unusual options for compilation or linking that
the `configure' script does not know about. Run `./configure --help'
for details on some of the pertinent environment variables.
You can give `configure' initial values for configuration parameters
by setting variables in the command line or in the environment. Here
is an example:
./configure CC=c99 CFLAGS=-g LIBS=-lposix
*Note Defining Variables::, for more details.
Compiling For Multiple Architectures
====================================
You can compile the package for more than one kind of computer at the
same time, by placing the object files for each architecture in their
own directory. To do this, you can use GNU `make'. `cd' to the
directory where you want the object files and executables to go and run
the `configure' script. `configure' automatically checks for the
source code in the directory that `configure' is in and in `..'. This
is known as a "VPATH" build.
With a non-GNU `make', it is safer to compile the package for one
architecture at a time in the source code directory. After you have
installed the package for one architecture, use `make distclean' before
reconfiguring for another architecture.
On MacOS X 10.5 and later systems, you can create libraries and
executables that work on multiple system types--known as "fat" or
"universal" binaries--by specifying multiple `-arch' options to the
compiler but only a single `-arch' option to the preprocessor. Like
this:
./configure CC="gcc -arch i386 -arch x86_64 -arch ppc -arch ppc64" \
CXX="g++ -arch i386 -arch x86_64 -arch ppc -arch ppc64" \
CPP="gcc -E" CXXCPP="g++ -E"
This is not guaranteed to produce working output in all cases, you
may have to build one architecture at a time and combine the results
using the `lipo' tool if you have problems.
Installation Names
==================
By default, `make install' installs the package's commands under
`/usr/local/bin', include files under `/usr/local/include', etc. You
can specify an installation prefix other than `/usr/local' by giving
`configure' the option `--prefix=PREFIX', where PREFIX must be an
absolute file name.
You can specify separate installation prefixes for
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pass the option `--exec-prefix=PREFIX' to `configure', the package uses
PREFIX as the prefix for installing programs and libraries.
Documentation and other data files still use the regular prefix.
In addition, if you use an unusual directory layout you can give
options like `--bindir=DIR' to specify different values for particular
kinds of files. Run `configure --help' for a list of the directories
you can set and what kinds of files go in them. In general, the
default for these options is expressed in terms of `${prefix}', so that
specifying just `--prefix' will affect all of the other directory
specifications that were not explicitly provided.
The most portable way to affect installation locations is to pass the
correct locations to `configure'; however, many packages provide one or
both of the following shortcuts of passing variable assignments to the
`make install' command line to change installation locations without
having to reconfigure or recompile.
The first method involves providing an override variable for each
affected directory. For example, `make install
prefix=/alternate/directory' will choose an alternate location for all
directory configuration variables that were expressed in terms of
`${prefix}'. Any directories that were specified during `configure',
but not in terms of `${prefix}', must each be overridden at install
time for the entire installation to be relocated. The approach of
makefile variable overrides for each directory variable is required by
the GNU Coding Standards, and ideally causes no recompilation.
However, some platforms have known limitations with the semantics of
shared libraries that end up requiring recompilation when using this
method, particularly noticeable in packages that use GNU Libtool.
The second method involves providing the `DESTDIR' variable. For
example, `make install DESTDIR=/alternate/directory' will prepend
`/alternate/directory' before all installation names. The approach of
`DESTDIR' overrides is not required by the GNU Coding Standards, and
does not work on platforms that have drive letters. On the other hand,
it does better at avoiding recompilation issues, and works well even
when some directory options were not specified in terms of `${prefix}'
at `configure' time.
Optional Features
=================
If the package supports it, you can cause programs to be installed
with an extra prefix or suffix on their names by giving `configure' the
option `--program-prefix=PREFIX' or `--program-suffix=SUFFIX'.
Some packages pay attention to `--enable-FEATURE' options to
`configure', where FEATURE indicates an optional part of the package.
They may also pay attention to `--with-PACKAGE' options, where PACKAGE
is something like `gnu-as' or `x' (for the X Window System). The
`README' should mention any `--enable-' and `--with-' options that the
package recognizes.
For packages that use the X Window System, `configure' can usually
find the X include and library files automatically, but if it doesn't,
you can use the `configure' options `--x-includes=DIR' and
`--x-libraries=DIR' to specify their locations.
Some packages offer the ability to configure how verbose the
execution of `make' will be. For these packages, running `./configure
--enable-silent-rules' sets the default to minimal output, which can be
overridden with `make V=1'; while running `./configure
--disable-silent-rules' sets the default to verbose, which can be
overridden with `make V=0'.
Particular systems
==================
On HP-UX, the default C compiler is not ANSI C compatible. If GNU
CC is not installed, it is recommended to use the following options in
order to use an ANSI C compiler:
./configure CC="cc -Ae -D_XOPEN_SOURCE=500"
and if that doesn't work, install pre-built binaries of GCC for HP-UX.
HP-UX `make' updates targets which have the same time stamps as
their prerequisites, which makes it generally unusable when shipped
generated files such as `configure' are involved. Use GNU `make'
instead.
On OSF/1 a.k.a. Tru64, some versions of the default C compiler cannot
parse its `<wchar.h>' header file. The option `-nodtk' can be used as
a workaround. If GNU CC is not installed, it is therefore recommended
to try
./configure CC="cc"
and if that doesn't work, try
./configure CC="cc -nodtk"
On Solaris, don't put `/usr/ucb' early in your `PATH'. This
directory contains several dysfunctional programs; working variants of
these programs are available in `/usr/bin'. So, if you need `/usr/ucb'
in your `PATH', put it _after_ `/usr/bin'.
On Haiku, software installed for all users goes in `/boot/common',
not `/usr/local'. It is recommended to use the following options:
./configure --prefix=/boot/common
Specifying the System Type
==========================
There may be some features `configure' cannot figure out
automatically, but needs to determine by the type of machine the package
will run on. Usually, assuming the package is built to be run on the
_same_ architectures, `configure' can figure that out, but if it prints
a message saying it cannot guess the machine type, give it the
`--build=TYPE' option. TYPE can either be a short name for the system
type, such as `sun4', or a canonical name which has the form:
CPU-COMPANY-SYSTEM
where SYSTEM can have one of these forms:
OS
KERNEL-OS
See the file `config.sub' for the possible values of each field. If
`config.sub' isn't included in this package, then this package doesn't
need to know the machine type.
If you are _building_ compiler tools for cross-compiling, you should
use the option `--target=TYPE' to select the type of system they will
produce code for.
If you want to _use_ a cross compiler, that generates code for a
platform different from the build platform, you should specify the
"host" platform (i.e., that on which the generated programs will
eventually be run) with `--host=TYPE'.
Sharing Defaults
================
If you want to set default values for `configure' scripts to share,
you can create a site shell script called `config.site' that gives
default values for variables like `CC', `cache_file', and `prefix'.
`configure' looks for `PREFIX/share/config.site' if it exists, then
`PREFIX/etc/config.site' if it exists. Or, you can set the
`CONFIG_SITE' environment variable to the location of the site script.
A warning: not all `configure' scripts look for a site script.
Defining Variables
==================
Variables not defined in a site shell script can be set in the
environment passed to `configure'. However, some packages may run
configure again during the build, and the customized values of these
variables may be lost. In order to avoid this problem, you should set
them in the `configure' command line, using `VAR=value'. For example:
./configure CC=/usr/local2/bin/gcc
causes the specified `gcc' to be used as the C compiler (unless it is
overridden in the site shell script).
Unfortunately, this technique does not work for `CONFIG_SHELL' due to
an Autoconf limitation. Until the limitation is lifted, you can use
this workaround:
CONFIG_SHELL=/bin/bash ./configure CONFIG_SHELL=/bin/bash
`configure' Invocation
======================
`configure' recognizes the following options to control how it
operates.
`--help'
`-h'
Print a summary of all of the options to `configure', and exit.
`--help=short'
`--help=recursive'
Print a summary of the options unique to this package's
`configure', and exit. The `short' variant lists options used
only in the top level, while the `recursive' variant lists options
also present in any nested packages.
`--version'
`-V'
Print the version of Autoconf used to generate the `configure'
script, and exit.
`--cache-file=FILE'
Enable the cache: use and save the results of the tests in FILE,
traditionally `config.cache'. FILE defaults to `/dev/null' to
disable caching.
`--config-cache'
`-C'
Alias for `--cache-file=config.cache'.
`--quiet'
`--silent'
`-q'
Do not print messages saying which checks are being made. To
suppress all normal output, redirect it to `/dev/null' (any error
messages will still be shown).
`--srcdir=DIR'
Look for the package's source code in directory DIR. Usually
`configure' can determine that directory automatically.
`--prefix=DIR'
Use DIR as the installation prefix. *note Installation Names::
for more details, including other options available for fine-tuning
the installation locations.
`--no-create'
`-n'
Run the configure checks, but stop before creating any output
files.
`configure' also accepts some other, not widely useful, options. Run
`configure --help' for more details.
+93
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@@ -0,0 +1,93 @@
PCRE LICENCE
------------
PCRE is a library of functions to support regular expressions whose syntax
and semantics are as close as possible to those of the Perl 5 language.
Release 8 of PCRE is distributed under the terms of the "BSD" licence, as
specified below. The documentation for PCRE, supplied in the "doc"
directory, is distributed under the same terms as the software itself. The data
in the testdata directory is not copyrighted and is in the public domain.
The basic library functions are written in C and are freestanding. Also
included in the distribution is a set of C++ wrapper functions, and a
just-in-time compiler that can be used to optimize pattern matching. These
are both optional features that can be omitted when the library is built.
THE BASIC LIBRARY FUNCTIONS
---------------------------
Written by: Philip Hazel
Email local part: ph10
Email domain: cam.ac.uk
University of Cambridge Computing Service,
Cambridge, England.
Copyright (c) 1997-2017 University of Cambridge
All rights reserved.
PCRE JUST-IN-TIME COMPILATION SUPPORT
-------------------------------------
Written by: Zoltan Herczeg
Email local part: hzmester
Emain domain: freemail.hu
Copyright(c) 2010-2017 Zoltan Herczeg
All rights reserved.
STACK-LESS JUST-IN-TIME COMPILER
--------------------------------
Written by: Zoltan Herczeg
Email local part: hzmester
Emain domain: freemail.hu
Copyright(c) 2009-2017 Zoltan Herczeg
All rights reserved.
THE C++ WRAPPER FUNCTIONS
-------------------------
Contributed by: Google Inc.
Copyright (c) 2007-2012, Google Inc.
All rights reserved.
THE "BSD" LICENCE
-----------------
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are met:
* Redistributions of source code must retain the above copyright notice,
this list of conditions and the following disclaimer.
* Redistributions in binary form must reproduce the above copyright
notice, this list of conditions and the following disclaimer in the
documentation and/or other materials provided with the distribution.
* Neither the name of the University of Cambridge nor the name of Google
Inc. nor the names of their contributors may be used to endorse or
promote products derived from this software without specific prior
written permission.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
POSSIBILITY OF SUCH DAMAGE.
End
+895
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@@ -0,0 +1,895 @@
## Process this file with automake to produce Makefile.in.
ACLOCAL_AMFLAGS = -I m4
dist_doc_DATA = \
doc/pcre.txt \
doc/pcre-config.txt \
doc/pcregrep.txt \
doc/pcretest.txt \
AUTHORS \
COPYING \
ChangeLog \
LICENCE \
NEWS \
README
# Note that pcrecpp.html is not in this list; it is listed separately below.
dist_html_DATA = \
doc/html/NON-AUTOTOOLS-BUILD.txt \
doc/html/README.txt \
doc/html/index.html \
doc/html/pcre-config.html \
doc/html/pcre.html \
doc/html/pcre16.html \
doc/html/pcre32.html \
doc/html/pcre_assign_jit_stack.html \
doc/html/pcre_compile.html \
doc/html/pcre_compile2.html \
doc/html/pcre_config.html \
doc/html/pcre_copy_named_substring.html \
doc/html/pcre_copy_substring.html \
doc/html/pcre_dfa_exec.html \
doc/html/pcre_exec.html \
doc/html/pcre_free_study.html \
doc/html/pcre_free_substring.html \
doc/html/pcre_free_substring_list.html \
doc/html/pcre_fullinfo.html \
doc/html/pcre_get_named_substring.html \
doc/html/pcre_get_stringnumber.html \
doc/html/pcre_get_stringtable_entries.html \
doc/html/pcre_get_substring.html \
doc/html/pcre_get_substring_list.html \
doc/html/pcre_jit_exec.html \
doc/html/pcre_jit_stack_alloc.html \
doc/html/pcre_jit_stack_free.html \
doc/html/pcre_maketables.html \
doc/html/pcre_pattern_to_host_byte_order.html \
doc/html/pcre_refcount.html \
doc/html/pcre_study.html \
doc/html/pcre_utf16_to_host_byte_order.html \
doc/html/pcre_utf32_to_host_byte_order.html \
doc/html/pcre_version.html \
doc/html/pcreapi.html \
doc/html/pcrebuild.html \
doc/html/pcrecallout.html \
doc/html/pcrecompat.html \
doc/html/pcredemo.html \
doc/html/pcregrep.html \
doc/html/pcrejit.html \
doc/html/pcrelimits.html \
doc/html/pcrematching.html \
doc/html/pcrepartial.html \
doc/html/pcrepattern.html \
doc/html/pcreperform.html \
doc/html/pcreposix.html \
doc/html/pcreprecompile.html \
doc/html/pcresample.html \
doc/html/pcrestack.html \
doc/html/pcresyntax.html \
doc/html/pcretest.html \
doc/html/pcreunicode.html
pcrecpp_html = doc/html/pcrecpp.html
dist_noinst_DATA = $(pcrecpp_html)
if WITH_PCRE_CPP
html_DATA = $(pcrecpp_html)
endif
# The Libtool libraries to install. We'll add to this later.
lib_LTLIBRARIES =
# Unit tests you want to run when people type 'make check'.
# TESTS is for binary unit tests, check_SCRIPTS for script-based tests
TESTS =
check_SCRIPTS =
dist_noinst_SCRIPTS =
# Some of the binaries we make are to be installed, and others are
# (non-user-visible) helper programs needed to build libpcre, libpcre16
# or libpcre32.
bin_PROGRAMS =
noinst_PROGRAMS =
# Additional files to delete on 'make clean' and 'make maintainer-clean'.
CLEANFILES =
MAINTAINERCLEANFILES =
# Additional files to bundle with the distribution, over and above what
# the Autotools include by default.
EXTRA_DIST =
# These files contain additional m4 macros that are used by autoconf.
EXTRA_DIST += \
m4/ax_pthread.m4 m4/pcre_visibility.m4
# These files contain maintenance information
EXTRA_DIST += \
doc/perltest.txt \
NON-UNIX-USE \
NON-AUTOTOOLS-BUILD \
HACKING
# These files are used in the preparation of a release
EXTRA_DIST += \
PrepareRelease \
CheckMan \
CleanTxt \
Detrail \
132html \
doc/index.html.src
# These files are to do with building for Virtual Pascal
EXTRA_DIST += \
makevp.bat \
makevp_c.txt \
makevp_l.txt \
pcregexp.pas
# These files are usable versions of pcre.h and config.h that are distributed
# for the benefit of people who are building PCRE manually, without the
# Autotools support.
EXTRA_DIST += \
pcre.h.generic \
config.h.generic
# The only difference between pcre.h.in and pcre.h is the setting of the PCRE
# version number. Therefore, we can create the generic version just by copying.
pcre.h.generic: pcre.h.in configure.ac
rm -f $@
cp -p pcre.h $@
# It is more complicated for config.h.generic. We need the version that results
# from a default configuration so as to get all the default values for PCRE
# configuration macros such as MATCH_LIMIT and NEWLINE. We can get this by
# doing a configure in a temporary directory. However, some trickery is needed,
# because the source directory may already be configured. If you just try
# running configure in a new directory, it complains. For this reason, we move
# config.status out of the way while doing the default configuration. The
# resulting config.h is munged by perl to put #ifdefs round any #defines for
# macros with values, and to #undef all boolean macros such as HAVE_xxx and
# SUPPORT_xxx. We also get rid of any gcc-specific visibility settings. Make
# sure that PCRE_EXP_DEFN is unset (in case it has visibility settings).
config.h.generic: configure.ac
rm -rf $@ _generic
mkdir _generic
cs=$(srcdir)/config.status; test ! -f $$cs || mv -f $$cs $$cs.aside
cd _generic && $(abs_top_srcdir)/configure || :
cs=$(srcdir)/config.status; test ! -f $$cs.aside || mv -f $$cs.aside $$cs
test -f _generic/config.h
perl -n \
-e 'BEGIN{$$blank=0;}' \
-e 'if(/PCRE_EXP_DEFN/){print"/* #undef PCRE_EXP_DEFN */\n";$$blank=0;next;}' \
-e 'if(/to make a symbol visible/){next;}' \
-e 'if(/__attribute__ \(\(visibility/){next;}' \
-e 'if(/LT_OBJDIR/){print"/* This is ignored unless you are using libtool. */\n";}' \
-e 'if(/^#define\s((?:HAVE|SUPPORT|STDC)_\w+)/){print"/* #undef $$1 */\n";$$blank=0;next;}' \
-e 'if(/^#define\s(?!PACKAGE|VERSION)(\w+)/){print"#ifndef $$1\n$$_#endif\n";$$blank=0;next;}' \
-e 'if(/^\s*$$/){print unless $$blank; $$blank=1;} else{print;$$blank=0;}' \
_generic/config.h >$@
rm -rf _generic
MAINTAINERCLEANFILES += pcre.h.generic config.h.generic
# These are the header files we'll install. We do not distribute pcre.h because
# it is generated from pcre.h.in.
nodist_include_HEADERS = \
pcre.h
include_HEADERS = \
pcreposix.h
# These additional headers will be be installed if C++ support is enabled. We
# do not distribute pcrecpparg.h or pcre_stringpiece.h, as these are generated
# from corresponding .h.in files (which we do distribute).
if WITH_PCRE_CPP
nodist_include_HEADERS += \
pcrecpparg.h \
pcre_stringpiece.h
include_HEADERS += \
pcrecpp.h \
pcre_scanner.h
endif # WITH_PCRE_CPP
bin_SCRIPTS = pcre-config
## ---------------------------------------------------------------
## The dftables program is used to rebuild character tables before compiling
## PCRE, if --enable-rebuild-chartables is specified. It is not a user-visible
## program. The default (when --enable-rebuild-chartables is not specified) is
## to copy a distributed set of tables that are defined for ASCII code. In this
## case, dftables is not needed.
if WITH_REBUILD_CHARTABLES
noinst_PROGRAMS += dftables
dftables_SOURCES = dftables.c
pcre_chartables.c: dftables$(EXEEXT)
./dftables$(EXEEXT) $@
else
pcre_chartables.c: $(srcdir)/pcre_chartables.c.dist
rm -f $@
$(LN_S) $(srcdir)/pcre_chartables.c.dist $@
endif # WITH_REBUILD_CHARTABLES
BUILT_SOURCES = pcre_chartables.c
## The main pcre library
# Build the 8 bit library if it is enabled.
if WITH_PCRE8
lib_LTLIBRARIES += libpcre.la
libpcre_la_SOURCES = \
pcre_byte_order.c \
pcre_compile.c \
pcre_config.c \
pcre_dfa_exec.c \
pcre_exec.c \
pcre_fullinfo.c \
pcre_get.c \
pcre_globals.c \
pcre_internal.h \
pcre_jit_compile.c \
pcre_maketables.c \
pcre_newline.c \
pcre_ord2utf8.c \
pcre_refcount.c \
pcre_string_utils.c \
pcre_study.c \
pcre_tables.c \
pcre_ucd.c \
pcre_valid_utf8.c \
pcre_version.c \
pcre_xclass.c \
ucp.h
libpcre_la_CFLAGS = \
$(VISIBILITY_CFLAGS) \
$(AM_CFLAGS)
libpcre_la_LIBADD =
## This file is generated as part of the building process, so don't distribute.
nodist_libpcre_la_SOURCES = \
pcre_chartables.c
endif # WITH_PCRE8
# Build the 16 bit library if it is enabled.
if WITH_PCRE16
lib_LTLIBRARIES += libpcre16.la
libpcre16_la_SOURCES = \
pcre16_byte_order.c \
pcre16_chartables.c \
pcre16_compile.c \
pcre16_config.c \
pcre16_dfa_exec.c \
pcre16_exec.c \
pcre16_fullinfo.c \
pcre16_get.c \
pcre16_globals.c \
pcre16_jit_compile.c \
pcre16_maketables.c \
pcre16_newline.c \
pcre16_ord2utf16.c \
pcre16_refcount.c \
pcre16_string_utils.c \
pcre16_study.c \
pcre16_tables.c \
pcre16_ucd.c \
pcre16_utf16_utils.c \
pcre16_valid_utf16.c \
pcre16_version.c \
pcre16_xclass.c
libpcre16_la_CFLAGS = \
$(VISIBILITY_CFLAGS) \
$(AM_CFLAGS)
libpcre16_la_LIBADD =
## This file is generated as part of the building process, so don't distribute.
nodist_libpcre16_la_SOURCES = \
pcre_chartables.c
endif # WITH_PCRE16
# Build the 32 bit library if it is enabled.
if WITH_PCRE32
lib_LTLIBRARIES += libpcre32.la
libpcre32_la_SOURCES = \
pcre32_byte_order.c \
pcre32_chartables.c \
pcre32_compile.c \
pcre32_config.c \
pcre32_dfa_exec.c \
pcre32_exec.c \
pcre32_fullinfo.c \
pcre32_get.c \
pcre32_globals.c \
pcre32_jit_compile.c \
pcre32_maketables.c \
pcre32_newline.c \
pcre32_ord2utf32.c \
pcre32_refcount.c \
pcre32_string_utils.c \
pcre32_study.c \
pcre32_tables.c \
pcre32_ucd.c \
pcre32_utf32_utils.c \
pcre32_valid_utf32.c \
pcre32_version.c \
pcre32_xclass.c
libpcre32_la_CFLAGS = \
$(VISIBILITY_CFLAGS) \
$(AM_CFLAGS)
libpcre32_la_LIBADD =
## This file is generated as part of the building process, so don't distribute.
nodist_libpcre32_la_SOURCES = \
pcre_chartables.c
endif # WITH_PCRE32
# The pcre_chartables.c.dist file is the default version of pcre_chartables.c,
# used unless --enable-rebuild-chartables is specified.
EXTRA_DIST += pcre_chartables.c.dist
# The JIT compiler lives in a separate directory, but its files are #included
# when pcre_jit_compile.c is processed, so they must be distributed.
EXTRA_DIST += \
sljit/sljitConfig.h \
sljit/sljitConfigInternal.h \
sljit/sljitExecAllocator.c \
sljit/sljitLir.c \
sljit/sljitLir.h \
sljit/sljitNativeARM_32.c \
sljit/sljitNativeARM_64.c \
sljit/sljitNativeARM_T2_32.c \
sljit/sljitNativeMIPS_32.c \
sljit/sljitNativeMIPS_64.c \
sljit/sljitNativeMIPS_common.c \
sljit/sljitNativePPC_32.c \
sljit/sljitNativePPC_64.c \
sljit/sljitNativePPC_common.c \
sljit/sljitNativeSPARC_32.c \
sljit/sljitNativeSPARC_common.c \
sljit/sljitNativeTILEGX_64.c \
sljit/sljitNativeTILEGX-encoder.c \
sljit/sljitNativeX86_32.c \
sljit/sljitNativeX86_64.c \
sljit/sljitNativeX86_common.c \
sljit/sljitUtils.c
if WITH_PCRE8
libpcre_la_LDFLAGS = $(EXTRA_LIBPCRE_LDFLAGS)
endif # WITH_PCRE8
if WITH_PCRE16
libpcre16_la_LDFLAGS = $(EXTRA_LIBPCRE16_LDFLAGS)
endif # WITH_PCRE16
if WITH_PCRE32
libpcre32_la_LDFLAGS = $(EXTRA_LIBPCRE32_LDFLAGS)
endif # WITH_PCRE32
if WITH_VALGRIND
if WITH_PCRE8
libpcre_la_CFLAGS += $(VALGRIND_CFLAGS)
endif # WITH_PCRE8
if WITH_PCRE16
libpcre16_la_CFLAGS += $(VALGRIND_CFLAGS)
endif # WITH_PCRE16
if WITH_PCRE32
libpcre32_la_CFLAGS += $(VALGRIND_CFLAGS)
endif # WITH_PCRE32
endif # WITH_VALGRIND
if WITH_GCOV
if WITH_PCRE8
libpcre_la_CFLAGS += $(GCOV_CFLAGS)
endif # WITH_PCRE8
if WITH_PCRE16
libpcre16_la_CFLAGS += $(GCOV_CFLAGS)
endif # WITH_PCRE16
if WITH_PCRE32
libpcre32_la_CFLAGS += $(GCOV_CFLAGS)
endif # WITH_PCRE32
endif # WITH_GCOV
CLEANFILES += pcre_chartables.c
## If JIT support is enabled, arrange for the JIT test program to run.
if WITH_JIT
TESTS += pcre_jit_test
noinst_PROGRAMS += pcre_jit_test
pcre_jit_test_SOURCES = pcre_jit_test.c
pcre_jit_test_CFLAGS = $(AM_CFLAGS)
pcre_jit_test_LDADD =
if WITH_PCRE8
pcre_jit_test_LDADD += libpcre.la
endif # WITH_PCRE8
if WITH_PCRE16
pcre_jit_test_LDADD += libpcre16.la
endif # WITH_PCRE16
if WITH_PCRE32
pcre_jit_test_LDADD += libpcre32.la
endif # WITH_PCRE32
if WITH_GCOV
pcre_jit_test_CFLAGS += $(GCOV_CFLAGS)
pcre_jit_test_LDADD += $(GCOV_LIBS)
endif # WITH_GCOV
endif # WITH_JIT
## A version of the main pcre library that has a posix re API.
if WITH_PCRE8
lib_LTLIBRARIES += libpcreposix.la
libpcreposix_la_SOURCES = \
pcreposix.c
libpcreposix_la_CFLAGS = $(VISIBILITY_CFLAGS) $(AM_CFLAGS)
libpcreposix_la_LDFLAGS = $(EXTRA_LIBPCREPOSIX_LDFLAGS)
libpcreposix_la_LIBADD = libpcre.la
if WITH_GCOV
libpcreposix_la_CFLAGS += $(GCOV_CFLAGS)
endif # WITH_GCOV
endif # WITH_PCRE8
## There's a C++ library as well.
if WITH_PCRE_CPP
lib_LTLIBRARIES += libpcrecpp.la
libpcrecpp_la_SOURCES = \
pcrecpp_internal.h \
pcrecpp.cc \
pcre_scanner.cc \
pcre_stringpiece.cc
libpcrecpp_la_CXXFLAGS = $(VISIBILITY_CXXFLAGS) $(AM_CXXFLAGS)
libpcrecpp_la_LDFLAGS = $(EXTRA_LIBPCRECPP_LDFLAGS)
libpcrecpp_la_LIBADD = libpcre.la
TESTS += pcrecpp_unittest
noinst_PROGRAMS += pcrecpp_unittest
pcrecpp_unittest_SOURCES = pcrecpp_unittest.cc
pcrecpp_unittest_CXXFLAGS = $(AM_CXXFLAGS)
pcrecpp_unittest_LDADD = libpcrecpp.la
TESTS += pcre_scanner_unittest
noinst_PROGRAMS += pcre_scanner_unittest
pcre_scanner_unittest_SOURCES = pcre_scanner_unittest.cc
pcre_scanner_unittest_CXXFLAGS = $(AM_CXXFLAGS)
pcre_scanner_unittest_LDADD = libpcrecpp.la
TESTS += pcre_stringpiece_unittest
noinst_PROGRAMS += pcre_stringpiece_unittest
pcre_stringpiece_unittest_SOURCES = pcre_stringpiece_unittest.cc
pcre_stringpiece_unittest_CXXFLAGS = $(AM_CXXFLAGS)
pcre_stringpiece_unittest_LDADD = libpcrecpp.la
if WITH_GCOV
libpcrecpp_la_CXXFLAGS += $(GCOV_CXXFLAGS)
pcrecpp_unittest_LDADD += $(GCOV_LIBS)
pcre_scanner_unittest_LDADD += $(GCOV_LIBS)
pcre_stringpiece_unittest_LDADD += $(GCOV_LIBS)
endif # WITH_GCOV
endif # WITH_PCRE_CPP
## The main unit tests
# Each unit test is a binary plus a script that runs that binary in various
# ways. We install these test binaries in case folks find it helpful.
TESTS += RunTest
dist_noinst_SCRIPTS += RunTest
EXTRA_DIST += RunTest.bat
bin_PROGRAMS += pcretest
pcretest_SOURCES = pcretest.c
pcretest_CFLAGS = $(AM_CFLAGS)
pcretest_LDADD = $(LIBREADLINE)
if WITH_PCRE8
pcretest_SOURCES += pcre_printint.c
pcretest_LDADD += libpcre.la libpcreposix.la
endif # WITH_PCRE8
if WITH_PCRE16
pcretest_SOURCES += pcre16_printint.c
pcretest_LDADD += libpcre16.la
endif # WITH_PCRE16
if WITH_PCRE32
pcretest_SOURCES += pcre32_printint.c
pcretest_LDADD += libpcre32.la
endif # WITH_PCRE32
if WITH_VALGRIND
pcretest_CFLAGS += $(VALGRIND_CFLAGS)
endif # WITH_VALGRIND
if WITH_GCOV
pcretest_CFLAGS += $(GCOV_CFLAGS)
pcretest_LDADD += $(GCOV_LIBS)
endif # WITH_GCOV
if WITH_PCRE8
TESTS += RunGrepTest
dist_noinst_SCRIPTS += RunGrepTest
bin_PROGRAMS += pcregrep
pcregrep_SOURCES = pcregrep.c
pcregrep_CFLAGS = $(AM_CFLAGS)
pcregrep_LDADD = $(LIBZ) $(LIBBZ2)
pcregrep_LDADD += libpcre.la libpcreposix.la
if WITH_GCOV
pcregrep_CFLAGS += $(GCOV_CFLAGS)
pcregrep_LDADD += $(GCOV_LIBS)
endif # WITH_GCOV
endif # WITH_PCRE8
EXTRA_DIST += \
testdata/grepbinary \
testdata/grepfilelist \
testdata/grepinput \
testdata/grepinput3 \
testdata/grepinput8 \
testdata/grepinputv \
testdata/grepinputx \
testdata/greplist \
testdata/grepoutput \
testdata/grepoutput8 \
testdata/grepoutputN \
testdata/greppatN4 \
testdata/saved16 \
testdata/saved16BE-1 \
testdata/saved16BE-2 \
testdata/saved16LE-1 \
testdata/saved16LE-2 \
testdata/saved32 \
testdata/saved32BE-1 \
testdata/saved32BE-2 \
testdata/saved32LE-1 \
testdata/saved32LE-2 \
testdata/saved8 \
testdata/testinput1 \
testdata/testinput2 \
testdata/testinput3 \
testdata/testinput4 \
testdata/testinput5 \
testdata/testinput6 \
testdata/testinput7 \
testdata/testinput8 \
testdata/testinput9 \
testdata/testinput10 \
testdata/testinput11 \
testdata/testinput12 \
testdata/testinput13 \
testdata/testinput14 \
testdata/testinput15 \
testdata/testinput16 \
testdata/testinput17 \
testdata/testinput18 \
testdata/testinput19 \
testdata/testinput20 \
testdata/testinput21 \
testdata/testinput22 \
testdata/testinput23 \
testdata/testinput24 \
testdata/testinput25 \
testdata/testinput26 \
testdata/testinputEBC \
testdata/testoutput1 \
testdata/testoutput2 \
testdata/testoutput3 \
testdata/testoutput3A \
testdata/testoutput3B \
testdata/testoutput4 \
testdata/testoutput5 \
testdata/testoutput6 \
testdata/testoutput7 \
testdata/testoutput8 \
testdata/testoutput9 \
testdata/testoutput10 \
testdata/testoutput11-8 \
testdata/testoutput11-16 \
testdata/testoutput11-32 \
testdata/testoutput12 \
testdata/testoutput13 \
testdata/testoutput14 \
testdata/testoutput15 \
testdata/testoutput16 \
testdata/testoutput17 \
testdata/testoutput18-16 \
testdata/testoutput18-32 \
testdata/testoutput19 \
testdata/testoutput20 \
testdata/testoutput21-16 \
testdata/testoutput21-32 \
testdata/testoutput22-16 \
testdata/testoutput22-32 \
testdata/testoutput23 \
testdata/testoutput24 \
testdata/testoutput25 \
testdata/testoutput26 \
testdata/testoutputEBC \
testdata/valgrind-jit.supp \
testdata/wintestinput3 \
testdata/wintestoutput3 \
perltest.pl
CLEANFILES += \
testsavedregex \
teststderr \
testtemp* \
testtry \
testNinput \
testtrygrep \
teststderrgrep \
testNinputgrep
# PCRE demonstration program. No longer built automatcally. The point is that
# the users should build it themselves. So just distribute the source.
# noinst_PROGRAMS += pcredemo
# pcredemo_SOURCES = pcredemo.c
# pcredemo_LDADD = libpcre.la
EXTRA_DIST += pcredemo.c
## Utility rules, documentation, etc.
# A compatibility line, the old build system worked with 'make test'
test: check ;
# A PCRE user submitted the following addition, saying that it "will allow
# anyone using the 'mingw32' compiler to simply type 'make pcre.dll' and get a
# nice DLL for Windows use". (It is used by the pcre.dll target.)
DLL_OBJS= pcre_byte_order.o pcre_compile.o pcre_config.o \
pcre_dfa_exec.o pcre_exec.o pcre_fullinfo.o pcre_get.o \
pcre_globals.o pcre_jit_compile.o pcre_maketables.o \
pcre_newline.o pcre_ord2utf8.o pcre_refcount.o \
pcre_study.o pcre_tables.o pcre_ucd.o \
pcre_valid_utf8.o pcre_version.o pcre_chartables.o \
pcre_xclass.o
# A PCRE user submitted the following addition, saying that it "will allow
# anyone using the 'mingw32' compiler to simply type 'make pcre.dll' and get a
# nice DLL for Windows use".
pcre.dll: $(DLL_OBJS)
$(CC) -shared -o pcre.dll -Wl,"--strip-all" -Wl,"--export-all-symbols" $(DLL_OBJS)
# We have .pc files for pkg-config users.
pkgconfigdir = $(libdir)/pkgconfig
pkgconfig_DATA = libpcre.pc libpcreposix.pc
if WITH_PCRE16
pkgconfig_DATA += libpcre16.pc
endif
if WITH_PCRE32
pkgconfig_DATA += libpcre32.pc
endif
if WITH_PCRE_CPP
pkgconfig_DATA += libpcrecpp.pc
endif
# Note that pcrecpp.3 is not in this list, but is included separately below.
dist_man_MANS = \
doc/pcre-config.1 \
doc/pcre.3 \
doc/pcre16.3 \
doc/pcre32.3 \
doc/pcre_assign_jit_stack.3 \
doc/pcre_compile.3 \
doc/pcre_compile2.3 \
doc/pcre_config.3 \
doc/pcre_copy_named_substring.3 \
doc/pcre_copy_substring.3 \
doc/pcre_dfa_exec.3 \
doc/pcre_exec.3 \
doc/pcre_free_study.3 \
doc/pcre_free_substring.3 \
doc/pcre_free_substring_list.3 \
doc/pcre_fullinfo.3 \
doc/pcre_get_named_substring.3 \
doc/pcre_get_stringnumber.3 \
doc/pcre_get_stringtable_entries.3 \
doc/pcre_get_substring.3 \
doc/pcre_get_substring_list.3 \
doc/pcre_jit_exec.3 \
doc/pcre_jit_stack_alloc.3 \
doc/pcre_jit_stack_free.3 \
doc/pcre_maketables.3 \
doc/pcre_pattern_to_host_byte_order.3 \
doc/pcre_refcount.3 \
doc/pcre_study.3 \
doc/pcre_utf16_to_host_byte_order.3 \
doc/pcre_utf32_to_host_byte_order.3 \
doc/pcre_version.3 \
doc/pcreapi.3 \
doc/pcrebuild.3 \
doc/pcrecallout.3 \
doc/pcrecompat.3 \
doc/pcredemo.3 \
doc/pcregrep.1 \
doc/pcrejit.3 \
doc/pcrelimits.3 \
doc/pcrematching.3 \
doc/pcrepartial.3 \
doc/pcrepattern.3 \
doc/pcreperform.3 \
doc/pcreposix.3 \
doc/pcreprecompile.3 \
doc/pcresample.3 \
doc/pcrestack.3 \
doc/pcresyntax.3 \
doc/pcretest.1 \
doc/pcreunicode.3
# Arrange for the per-function man pages to have 16- and 32-bit names as well.
install-data-hook:
ln -sf pcre_assign_jit_stack.3 $(DESTDIR)$(man3dir)/pcre16_assign_jit_stack.3
ln -sf pcre_compile.3 $(DESTDIR)$(man3dir)/pcre16_compile.3
ln -sf pcre_compile2.3 $(DESTDIR)$(man3dir)/pcre16_compile2.3
ln -sf pcre_config.3 $(DESTDIR)$(man3dir)/pcre16_config.3
ln -sf pcre_copy_named_substring.3 $(DESTDIR)$(man3dir)/pcre16_copy_named_substring.3
ln -sf pcre_copy_substring.3 $(DESTDIR)$(man3dir)/pcre16_copy_substring.3
ln -sf pcre_dfa_exec.3 $(DESTDIR)$(man3dir)/pcre16_dfa_exec.3
ln -sf pcre_exec.3 $(DESTDIR)$(man3dir)/pcre16_exec.3
ln -sf pcre_free_study.3 $(DESTDIR)$(man3dir)/pcre16_free_study.3
ln -sf pcre_free_substring.3 $(DESTDIR)$(man3dir)/pcre16_free_substring.3
ln -sf pcre_free_substring_list.3 $(DESTDIR)$(man3dir)/pcre16_free_substring_list.3
ln -sf pcre_fullinfo.3 $(DESTDIR)$(man3dir)/pcre16_fullinfo.3
ln -sf pcre_get_named_substring.3 $(DESTDIR)$(man3dir)/pcre16_get_named_substring.3
ln -sf pcre_get_stringnumber.3 $(DESTDIR)$(man3dir)/pcre16_get_stringnumber.3
ln -sf pcre_get_stringtable_entries.3 $(DESTDIR)$(man3dir)/pcre16_get_stringtable_entries.3
ln -sf pcre_get_substring.3 $(DESTDIR)$(man3dir)/pcre16_get_substring.3
ln -sf pcre_get_substring_list.3 $(DESTDIR)$(man3dir)/pcre16_get_substring_list.3
ln -sf pcre_jit_exec.3 $(DESTDIR)$(man3dir)/pcre16_jit_exec.3
ln -sf pcre_jit_stack_alloc.3 $(DESTDIR)$(man3dir)/pcre16_jit_stack_alloc.3
ln -sf pcre_jit_stack_free.3 $(DESTDIR)$(man3dir)/pcre16_jit_stack_free.3
ln -sf pcre_maketables.3 $(DESTDIR)$(man3dir)/pcre16_maketables.3
ln -sf pcre_pattern_to_host_byte_order.3 $(DESTDIR)$(man3dir)/pcre16_pattern_to_host_byte_order.3
ln -sf pcre_refcount.3 $(DESTDIR)$(man3dir)/pcre16_refcount.3
ln -sf pcre_study.3 $(DESTDIR)$(man3dir)/pcre16_study.3
ln -sf pcre_utf16_to_host_byte_order.3 $(DESTDIR)$(man3dir)/pcre16_utf16_to_host_byte_order.3
ln -sf pcre_version.3 $(DESTDIR)$(man3dir)/pcre16_version.3
ln -sf pcre_assign_jit_stack.3 $(DESTDIR)$(man3dir)/pcre32_assign_jit_stack.3
ln -sf pcre_compile.3 $(DESTDIR)$(man3dir)/pcre32_compile.3
ln -sf pcre_compile2.3 $(DESTDIR)$(man3dir)/pcre32_compile2.3
ln -sf pcre_config.3 $(DESTDIR)$(man3dir)/pcre32_config.3
ln -sf pcre_copy_named_substring.3 $(DESTDIR)$(man3dir)/pcre32_copy_named_substring.3
ln -sf pcre_copy_substring.3 $(DESTDIR)$(man3dir)/pcre32_copy_substring.3
ln -sf pcre_dfa_exec.3 $(DESTDIR)$(man3dir)/pcre32_dfa_exec.3
ln -sf pcre_exec.3 $(DESTDIR)$(man3dir)/pcre32_exec.3
ln -sf pcre_free_study.3 $(DESTDIR)$(man3dir)/pcre32_free_study.3
ln -sf pcre_free_substring.3 $(DESTDIR)$(man3dir)/pcre32_free_substring.3
ln -sf pcre_free_substring_list.3 $(DESTDIR)$(man3dir)/pcre32_free_substring_list.3
ln -sf pcre_fullinfo.3 $(DESTDIR)$(man3dir)/pcre32_fullinfo.3
ln -sf pcre_get_named_substring.3 $(DESTDIR)$(man3dir)/pcre32_get_named_substring.3
ln -sf pcre_get_stringnumber.3 $(DESTDIR)$(man3dir)/pcre32_get_stringnumber.3
ln -sf pcre_get_stringtable_entries.3 $(DESTDIR)$(man3dir)/pcre32_get_stringtable_entries.3
ln -sf pcre_get_substring.3 $(DESTDIR)$(man3dir)/pcre32_get_substring.3
ln -sf pcre_get_substring_list.3 $(DESTDIR)$(man3dir)/pcre32_get_substring_list.3
ln -sf pcre_jit_exec.3 $(DESTDIR)$(man3dir)/pcre32_jit_exec.3
ln -sf pcre_jit_stack_alloc.3 $(DESTDIR)$(man3dir)/pcre32_jit_stack_alloc.3
ln -sf pcre_jit_stack_free.3 $(DESTDIR)$(man3dir)/pcre32_jit_stack_free.3
ln -sf pcre_maketables.3 $(DESTDIR)$(man3dir)/pcre32_maketables.3
ln -sf pcre_pattern_to_host_byte_order.3 $(DESTDIR)$(man3dir)/pcre32_pattern_to_host_byte_order.3
ln -sf pcre_refcount.3 $(DESTDIR)$(man3dir)/pcre32_refcount.3
ln -sf pcre_study.3 $(DESTDIR)$(man3dir)/pcre32_study.3
ln -sf pcre_utf32_to_host_byte_order.3 $(DESTDIR)$(man3dir)/pcre32_utf32_to_host_byte_order.3
ln -sf pcre_version.3 $(DESTDIR)$(man3dir)/pcre32_version.3
pcrecpp_man = doc/pcrecpp.3
EXTRA_DIST += $(pcrecpp_man)
if WITH_PCRE_CPP
man_MANS = $(pcrecpp_man)
endif
# gcov/lcov code coverage reporting
if WITH_GCOV
# Coverage reporting targets:
#
# coverage: Create a coverage report from 'make check'
# coverage-baseline: Capture baseline coverage information
# coverage-reset: This zeros the coverage counters only
# coverage-report: This creates the coverage report only
# coverage-clean-report: This removes the generated coverage report
# without cleaning the coverage data itself
# coverage-clean-data: This removes the captured coverage data without
# removing the coverage files created at compile time (*.gcno)
# coverage-clean: This cleans all coverage data including the generated
# coverage report.
COVERAGE_TEST_NAME = $(PACKAGE)
COVERAGE_NAME = $(PACKAGE)-$(VERSION)
COVERAGE_OUTPUT_FILE = $(COVERAGE_NAME)-coverage.info
COVERAGE_OUTPUT_DIR = $(COVERAGE_NAME)-coverage
COVERAGE_LCOV_EXTRA_FLAGS =
COVERAGE_GENHTML_EXTRA_FLAGS =
coverage_quiet = $(coverage_quiet_$(V))
coverage_quiet_ = $(coverage_quiet_$(AM_DEFAULT_VERBOSITY))
coverage_quiet_0 = --quiet
coverage-check: all
-$(MAKE) $(AM_MAKEFLAGS) -k check
coverage-baseline:
$(LCOV) $(coverage_quiet) \
--directory $(top_builddir) \
--output-file "$(COVERAGE_OUTPUT_FILE)" \
--capture \
--initial
coverage-report:
$(LCOV) $(coverage_quiet) \
--directory $(top_builddir) \
--capture \
--output-file "$(COVERAGE_OUTPUT_FILE).tmp" \
--test-name "$(COVERAGE_TEST_NAME)" \
--no-checksum \
--compat-libtool \
$(COVERAGE_LCOV_EXTRA_FLAGS)
$(LCOV) $(coverage_quiet) \
--directory $(top_builddir) \
--output-file "$(COVERAGE_OUTPUT_FILE)" \
--remove "$(COVERAGE_OUTPUT_FILE).tmp" \
"/tmp/*" \
"/usr/include/*" \
"$(includedir)/*"
-@rm -f "$(COVERAGE_OUTPUT_FILE).tmp"
LANG=C $(GENHTML) $(coverage_quiet) \
--prefix $(top_builddir) \
--output-directory "$(COVERAGE_OUTPUT_DIR)" \
--title "$(PACKAGE) $(VERSION) Code Coverage Report" \
--show-details "$(COVERAGE_OUTPUT_FILE)" \
--legend \
$(COVERAGE_GENHTML_EXTRA_FLAGS)
@echo "Code coverage report written to file://$(abs_builddir)/$(COVERAGE_OUTPUT_DIR)/index.html"
coverage-reset:
-$(LCOV) $(coverage_quiet) --zerocounters --directory $(top_builddir)
coverage-clean-report:
-rm -f "$(COVERAGE_OUTPUT_FILE)" "$(COVERAGE_OUTPUT_FILE).tmp"
-rm -rf "$(COVERAGE_OUTPUT_DIR)"
coverage-clean-data:
-find $(top_builddir) -name "*.gcda" -delete
coverage-clean: coverage-reset coverage-clean-report coverage-clean-data
-find $(top_builddir) -name "*.gcno" -delete
coverage-distclean: coverage-clean
coverage: coverage-reset coverage-baseline coverage-check coverage-report
clean-local: coverage-clean
distclean-local: coverage-distclean
.PHONY: coverage coverage-baseline coverage-check coverage-report coverage-reset coverage-clean-report coverage-clean-data coverage-clean coverage-distclean
else
coverage:
@echo "Configuring with --enable-coverage required to generate code coverage report."
endif # WITH_GCOV
## CMake support
EXTRA_DIST += \
cmake/COPYING-CMAKE-SCRIPTS \
cmake/FindPackageHandleStandardArgs.cmake \
cmake/FindReadline.cmake \
cmake/FindEditline.cmake \
CMakeLists.txt \
config-cmake.h.in
## end Makefile.am
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View File
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doc/pcre.txt \
doc/pcre-config.txt \
doc/pcregrep.txt \
doc/pcretest.txt \
AUTHORS \
COPYING \
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LICENCE \
NEWS \
README
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dist_html_DATA = \
doc/html/NON-AUTOTOOLS-BUILD.txt \
doc/html/README.txt \
doc/html/index.html \
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doc/html/pcre16.html \
doc/html/pcre32.html \
doc/html/pcre_assign_jit_stack.html \
doc/html/pcre_compile.html \
doc/html/pcre_compile2.html \
doc/html/pcre_config.html \
doc/html/pcre_copy_named_substring.html \
doc/html/pcre_copy_substring.html \
doc/html/pcre_dfa_exec.html \
doc/html/pcre_exec.html \
doc/html/pcre_free_study.html \
doc/html/pcre_free_substring.html \
doc/html/pcre_free_substring_list.html \
doc/html/pcre_fullinfo.html \
doc/html/pcre_get_named_substring.html \
doc/html/pcre_get_stringnumber.html \
doc/html/pcre_get_stringtable_entries.html \
doc/html/pcre_get_substring.html \
doc/html/pcre_get_substring_list.html \
doc/html/pcre_jit_exec.html \
doc/html/pcre_jit_stack_alloc.html \
doc/html/pcre_jit_stack_free.html \
doc/html/pcre_maketables.html \
doc/html/pcre_pattern_to_host_byte_order.html \
doc/html/pcre_refcount.html \
doc/html/pcre_study.html \
doc/html/pcre_utf16_to_host_byte_order.html \
doc/html/pcre_utf32_to_host_byte_order.html \
doc/html/pcre_version.html \
doc/html/pcreapi.html \
doc/html/pcrebuild.html \
doc/html/pcrecallout.html \
doc/html/pcrecompat.html \
doc/html/pcredemo.html \
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doc/html/pcrejit.html \
doc/html/pcrelimits.html \
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doc/html/pcresample.html \
doc/html/pcrestack.html \
doc/html/pcresyntax.html \
doc/html/pcretest.html \
doc/html/pcreunicode.html
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dist_noinst_DATA = $(pcrecpp_html)
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# Additional files to delete on 'make clean' and 'make maintainer-clean'.
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# Additional files to bundle with the distribution, over and above what
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# These files contain additional m4 macros that are used by autoconf.
# These files contain maintenance information
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makevp.bat makevp_c.txt makevp_l.txt pcregexp.pas \
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sljit/sljitConfig.h sljit/sljitConfigInternal.h \
sljit/sljitExecAllocator.c sljit/sljitLir.c sljit/sljitLir.h \
sljit/sljitNativeARM_32.c sljit/sljitNativeARM_64.c \
sljit/sljitNativeARM_T2_32.c sljit/sljitNativeMIPS_32.c \
sljit/sljitNativeMIPS_64.c sljit/sljitNativeMIPS_common.c \
sljit/sljitNativePPC_32.c sljit/sljitNativePPC_64.c \
sljit/sljitNativePPC_common.c sljit/sljitNativeSPARC_32.c \
sljit/sljitNativeSPARC_common.c sljit/sljitNativeTILEGX_64.c \
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testdata/saved32BE-2 testdata/saved32LE-1 testdata/saved32LE-2 \
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testdata/testinputEBC testdata/testoutput1 \
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testdata/testoutput3A testdata/testoutput3B \
testdata/testoutput4 testdata/testoutput5 testdata/testoutput6 \
testdata/testoutput7 testdata/testoutput8 testdata/testoutput9 \
testdata/testoutput10 testdata/testoutput11-8 \
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testdata/testoutput22-16 testdata/testoutput22-32 \
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testdata/testoutput25 testdata/testoutput26 \
testdata/testoutputEBC testdata/valgrind-jit.supp \
testdata/wintestinput3 testdata/wintestoutput3 perltest.pl \
pcredemo.c $(pcrecpp_man) cmake/COPYING-CMAKE-SCRIPTS \
cmake/FindPackageHandleStandardArgs.cmake \
cmake/FindReadline.cmake cmake/FindEditline.cmake \
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@WITH_PCRE8_TRUE@ pcre_compile.c \
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@WITH_PCRE8_TRUE@ pcre_internal.h \
@WITH_PCRE8_TRUE@ pcre_jit_compile.c \
@WITH_PCRE8_TRUE@ pcre_maketables.c \
@WITH_PCRE8_TRUE@ pcre_newline.c \
@WITH_PCRE8_TRUE@ pcre_ord2utf8.c \
@WITH_PCRE8_TRUE@ pcre_refcount.c \
@WITH_PCRE8_TRUE@ pcre_string_utils.c \
@WITH_PCRE8_TRUE@ pcre_study.c \
@WITH_PCRE8_TRUE@ pcre_tables.c \
@WITH_PCRE8_TRUE@ pcre_ucd.c \
@WITH_PCRE8_TRUE@ pcre_valid_utf8.c \
@WITH_PCRE8_TRUE@ pcre_version.c \
@WITH_PCRE8_TRUE@ pcre_xclass.c \
@WITH_PCRE8_TRUE@ ucp.h
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@WITH_PCRE8_TRUE@ $(am__append_7) $(am__append_10)
@WITH_PCRE8_TRUE@libpcre_la_LIBADD =
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@WITH_PCRE16_TRUE@ pcre16_compile.c \
@WITH_PCRE16_TRUE@ pcre16_config.c \
@WITH_PCRE16_TRUE@ pcre16_dfa_exec.c \
@WITH_PCRE16_TRUE@ pcre16_exec.c \
@WITH_PCRE16_TRUE@ pcre16_fullinfo.c \
@WITH_PCRE16_TRUE@ pcre16_get.c \
@WITH_PCRE16_TRUE@ pcre16_globals.c \
@WITH_PCRE16_TRUE@ pcre16_jit_compile.c \
@WITH_PCRE16_TRUE@ pcre16_maketables.c \
@WITH_PCRE16_TRUE@ pcre16_newline.c \
@WITH_PCRE16_TRUE@ pcre16_ord2utf16.c \
@WITH_PCRE16_TRUE@ pcre16_refcount.c \
@WITH_PCRE16_TRUE@ pcre16_string_utils.c \
@WITH_PCRE16_TRUE@ pcre16_study.c \
@WITH_PCRE16_TRUE@ pcre16_tables.c \
@WITH_PCRE16_TRUE@ pcre16_ucd.c \
@WITH_PCRE16_TRUE@ pcre16_utf16_utils.c \
@WITH_PCRE16_TRUE@ pcre16_valid_utf16.c \
@WITH_PCRE16_TRUE@ pcre16_version.c \
@WITH_PCRE16_TRUE@ pcre16_xclass.c
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@WITH_PCRE32_TRUE@ pcre32_config.c \
@WITH_PCRE32_TRUE@ pcre32_dfa_exec.c \
@WITH_PCRE32_TRUE@ pcre32_exec.c \
@WITH_PCRE32_TRUE@ pcre32_fullinfo.c \
@WITH_PCRE32_TRUE@ pcre32_get.c \
@WITH_PCRE32_TRUE@ pcre32_globals.c \
@WITH_PCRE32_TRUE@ pcre32_jit_compile.c \
@WITH_PCRE32_TRUE@ pcre32_maketables.c \
@WITH_PCRE32_TRUE@ pcre32_newline.c \
@WITH_PCRE32_TRUE@ pcre32_ord2utf32.c \
@WITH_PCRE32_TRUE@ pcre32_refcount.c \
@WITH_PCRE32_TRUE@ pcre32_string_utils.c \
@WITH_PCRE32_TRUE@ pcre32_study.c \
@WITH_PCRE32_TRUE@ pcre32_tables.c \
@WITH_PCRE32_TRUE@ pcre32_ucd.c \
@WITH_PCRE32_TRUE@ pcre32_utf32_utils.c \
@WITH_PCRE32_TRUE@ pcre32_valid_utf32.c \
@WITH_PCRE32_TRUE@ pcre32_version.c \
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@WITH_PCRE8_TRUE@libpcreposix_la_LIBADD = libpcre.la
@WITH_PCRE_CPP_TRUE@libpcrecpp_la_SOURCES = \
@WITH_PCRE_CPP_TRUE@ pcrecpp_internal.h \
@WITH_PCRE_CPP_TRUE@ pcrecpp.cc \
@WITH_PCRE_CPP_TRUE@ pcre_scanner.cc \
@WITH_PCRE_CPP_TRUE@ pcre_stringpiece.cc
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@WITH_PCRE_CPP_TRUE@ $(AM_CXXFLAGS) $(am__append_25)
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@WITH_PCRE_CPP_TRUE@libpcrecpp_la_LIBADD = libpcre.la
@WITH_PCRE_CPP_TRUE@pcrecpp_unittest_SOURCES = pcrecpp_unittest.cc
@WITH_PCRE_CPP_TRUE@pcrecpp_unittest_CXXFLAGS = $(AM_CXXFLAGS)
@WITH_PCRE_CPP_TRUE@pcrecpp_unittest_LDADD = libpcrecpp.la \
@WITH_PCRE_CPP_TRUE@ $(am__append_26)
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@WITH_PCRE_CPP_TRUE@pcre_scanner_unittest_CXXFLAGS = $(AM_CXXFLAGS)
@WITH_PCRE_CPP_TRUE@pcre_scanner_unittest_LDADD = libpcrecpp.la \
@WITH_PCRE_CPP_TRUE@ $(am__append_27)
@WITH_PCRE_CPP_TRUE@pcre_stringpiece_unittest_SOURCES = pcre_stringpiece_unittest.cc
@WITH_PCRE_CPP_TRUE@pcre_stringpiece_unittest_CXXFLAGS = $(AM_CXXFLAGS)
@WITH_PCRE_CPP_TRUE@pcre_stringpiece_unittest_LDADD = libpcrecpp.la \
@WITH_PCRE_CPP_TRUE@ $(am__append_28)
pcretest_SOURCES = pcretest.c $(am__append_29) $(am__append_31) \
$(am__append_33)
pcretest_CFLAGS = $(AM_CFLAGS) $(am__append_35) $(am__append_36)
pcretest_LDADD = $(LIBREADLINE) $(am__append_30) $(am__append_32) \
$(am__append_34) $(am__append_37)
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# A PCRE user submitted the following addition, saying that it "will allow
# anyone using the 'mingw32' compiler to simply type 'make pcre.dll' and get a
# nice DLL for Windows use". (It is used by the pcre.dll target.)
DLL_OBJS = pcre_byte_order.o pcre_compile.o pcre_config.o \
pcre_dfa_exec.o pcre_exec.o pcre_fullinfo.o pcre_get.o \
pcre_globals.o pcre_jit_compile.o pcre_maketables.o \
pcre_newline.o pcre_ord2utf8.o pcre_refcount.o \
pcre_study.o pcre_tables.o pcre_ucd.o \
pcre_valid_utf8.o pcre_version.o pcre_chartables.o \
pcre_xclass.o
# We have .pc files for pkg-config users.
pkgconfigdir = $(libdir)/pkgconfig
pkgconfig_DATA = libpcre.pc libpcreposix.pc $(am__append_43) \
$(am__append_44) $(am__append_45)
# Note that pcrecpp.3 is not in this list, but is included separately below.
dist_man_MANS = \
doc/pcre-config.1 \
doc/pcre.3 \
doc/pcre16.3 \
doc/pcre32.3 \
doc/pcre_assign_jit_stack.3 \
doc/pcre_compile.3 \
doc/pcre_compile2.3 \
doc/pcre_config.3 \
doc/pcre_copy_named_substring.3 \
doc/pcre_copy_substring.3 \
doc/pcre_dfa_exec.3 \
doc/pcre_exec.3 \
doc/pcre_free_study.3 \
doc/pcre_free_substring.3 \
doc/pcre_free_substring_list.3 \
doc/pcre_fullinfo.3 \
doc/pcre_get_named_substring.3 \
doc/pcre_get_stringnumber.3 \
doc/pcre_get_stringtable_entries.3 \
doc/pcre_get_substring.3 \
doc/pcre_get_substring_list.3 \
doc/pcre_jit_exec.3 \
doc/pcre_jit_stack_alloc.3 \
doc/pcre_jit_stack_free.3 \
doc/pcre_maketables.3 \
doc/pcre_pattern_to_host_byte_order.3 \
doc/pcre_refcount.3 \
doc/pcre_study.3 \
doc/pcre_utf16_to_host_byte_order.3 \
doc/pcre_utf32_to_host_byte_order.3 \
doc/pcre_version.3 \
doc/pcreapi.3 \
doc/pcrebuild.3 \
doc/pcrecallout.3 \
doc/pcrecompat.3 \
doc/pcredemo.3 \
doc/pcregrep.1 \
doc/pcrejit.3 \
doc/pcrelimits.3 \
doc/pcrematching.3 \
doc/pcrepartial.3 \
doc/pcrepattern.3 \
doc/pcreperform.3 \
doc/pcreposix.3 \
doc/pcreprecompile.3 \
doc/pcresample.3 \
doc/pcrestack.3 \
doc/pcresyntax.3 \
doc/pcretest.1 \
doc/pcreunicode.3
pcrecpp_man = doc/pcrecpp.3
@WITH_PCRE_CPP_TRUE@man_MANS = $(pcrecpp_man)
# gcov/lcov code coverage reporting
# Coverage reporting targets:
#
# coverage: Create a coverage report from 'make check'
# coverage-baseline: Capture baseline coverage information
# coverage-reset: This zeros the coverage counters only
# coverage-report: This creates the coverage report only
# coverage-clean-report: This removes the generated coverage report
# without cleaning the coverage data itself
# coverage-clean-data: This removes the captured coverage data without
# removing the coverage files created at compile time (*.gcno)
# coverage-clean: This cleans all coverage data including the generated
# coverage report.
@WITH_GCOV_TRUE@COVERAGE_TEST_NAME = $(PACKAGE)
@WITH_GCOV_TRUE@COVERAGE_NAME = $(PACKAGE)-$(VERSION)
@WITH_GCOV_TRUE@COVERAGE_OUTPUT_FILE = $(COVERAGE_NAME)-coverage.info
@WITH_GCOV_TRUE@COVERAGE_OUTPUT_DIR = $(COVERAGE_NAME)-coverage
@WITH_GCOV_TRUE@COVERAGE_LCOV_EXTRA_FLAGS =
@WITH_GCOV_TRUE@COVERAGE_GENHTML_EXTRA_FLAGS =
@WITH_GCOV_TRUE@coverage_quiet = $(coverage_quiet_$(V))
@WITH_GCOV_TRUE@coverage_quiet_ = $(coverage_quiet_$(AM_DEFAULT_VERBOSITY))
@WITH_GCOV_TRUE@coverage_quiet_0 = --quiet
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$(am__cd) $(top_srcdir) && \
$(AUTOMAKE) --gnu Makefile
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$(SHELL) ./config.status;; \
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cd $(top_builddir) && $(SHELL) ./config.status $@
libpcre16.pc: $(top_builddir)/config.status $(srcdir)/libpcre16.pc.in
cd $(top_builddir) && $(SHELL) ./config.status $@
libpcre32.pc: $(top_builddir)/config.status $(srcdir)/libpcre32.pc.in
cd $(top_builddir) && $(SHELL) ./config.status $@
libpcreposix.pc: $(top_builddir)/config.status $(srcdir)/libpcreposix.pc.in
cd $(top_builddir) && $(SHELL) ./config.status $@
libpcrecpp.pc: $(top_builddir)/config.status $(srcdir)/libpcrecpp.pc.in
cd $(top_builddir) && $(SHELL) ./config.status $@
pcre-config: $(top_builddir)/config.status $(srcdir)/pcre-config.in
cd $(top_builddir) && $(SHELL) ./config.status $@
pcre.h: $(top_builddir)/config.status $(srcdir)/pcre.h.in
cd $(top_builddir) && $(SHELL) ./config.status $@
pcre_stringpiece.h: $(top_builddir)/config.status $(srcdir)/pcre_stringpiece.h.in
cd $(top_builddir) && $(SHELL) ./config.status $@
pcrecpparg.h: $(top_builddir)/config.status $(srcdir)/pcrecpparg.h.in
cd $(top_builddir) && $(SHELL) ./config.status $@
install-libLTLIBRARIES: $(lib_LTLIBRARIES)
@$(NORMAL_INSTALL)
@list='$(lib_LTLIBRARIES)'; test -n "$(libdir)" || list=; \
list2=; for p in $$list; do \
if test -f $$p; then \
list2="$$list2 $$p"; \
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test -z "$$list2" || { \
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$(LIBTOOL) $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) --mode=install $(INSTALL) $(INSTALL_STRIP_FLAG) $$list2 "$(DESTDIR)$(libdir)"; \
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done
clean-libLTLIBRARIES:
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@list='$(lib_LTLIBRARIES)'; \
locs=`for p in $$list; do echo $$p; done | \
sed 's|^[^/]*$$|.|; s|/[^/]*$$||; s|$$|/so_locations|' | \
sort -u`; \
test -z "$$locs" || { \
echo rm -f $${locs}; \
rm -f $${locs}; \
}
libpcre.la: $(libpcre_la_OBJECTS) $(libpcre_la_DEPENDENCIES) $(EXTRA_libpcre_la_DEPENDENCIES)
$(AM_V_CCLD)$(libpcre_la_LINK) $(am_libpcre_la_rpath) $(libpcre_la_OBJECTS) $(libpcre_la_LIBADD) $(LIBS)
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$(AM_V_CCLD)$(libpcreposix_la_LINK) $(am_libpcreposix_la_rpath) $(libpcreposix_la_OBJECTS) $(libpcreposix_la_LIBADD) $(LIBS)
install-binPROGRAMS: $(bin_PROGRAMS)
@$(NORMAL_INSTALL)
@list='$(bin_PROGRAMS)'; test -n "$(bindir)" || list=; \
if test -n "$$list"; then \
echo " $(MKDIR_P) '$(DESTDIR)$(bindir)'"; \
$(MKDIR_P) "$(DESTDIR)$(bindir)" || exit 1; \
fi; \
for p in $$list; do echo "$$p $$p"; done | \
sed 's/$(EXEEXT)$$//' | \
while read p p1; do if test -f $$p \
|| test -f $$p1 \
; then echo "$$p"; echo "$$p"; else :; fi; \
done | \
sed -e 'p;s,.*/,,;n;h' \
-e 's|.*|.|' \
-e 'p;x;s,.*/,,;s/$(EXEEXT)$$//;$(transform);s/$$/$(EXEEXT)/' | \
sed 'N;N;N;s,\n, ,g' | \
$(AWK) 'BEGIN { files["."] = ""; dirs["."] = 1 } \
{ d=$$3; if (dirs[d] != 1) { print "d", d; dirs[d] = 1 } \
if ($$2 == $$4) files[d] = files[d] " " $$1; \
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END { for (d in files) print "f", d, files[d] }' | \
while read type dir files; do \
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files=`for p in $$list; do echo "$$p"; done | \
sed -e 'h;s,^.*/,,;s/$(EXEEXT)$$//;$(transform)' \
-e 's/$$/$(EXEEXT)/' \
`; \
test -n "$$list" || exit 0; \
echo " ( cd '$(DESTDIR)$(bindir)' && rm -f" $$files ")"; \
cd "$(DESTDIR)$(bindir)" && rm -f $$files
clean-binPROGRAMS:
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echo " rm -f" $$list; \
rm -f $$list || exit $$?; \
test -n "$(EXEEXT)" || exit 0; \
list=`for p in $$list; do echo "$$p"; done | sed 's/$(EXEEXT)$$//'`; \
echo " rm -f" $$list; \
rm -f $$list
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echo " rm -f" $$list; \
rm -f $$list || exit $$?; \
test -n "$(EXEEXT)" || exit 0; \
list=`for p in $$list; do echo "$$p"; done | sed 's/$(EXEEXT)$$//'`; \
echo " rm -f" $$list; \
rm -f $$list
dftables$(EXEEXT): $(dftables_OBJECTS) $(dftables_DEPENDENCIES) $(EXTRA_dftables_DEPENDENCIES)
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$(AM_V_CCLD)$(LINK) $(dftables_OBJECTS) $(dftables_LDADD) $(LIBS)
pcre_jit_test$(EXEEXT): $(pcre_jit_test_OBJECTS) $(pcre_jit_test_DEPENDENCIES) $(EXTRA_pcre_jit_test_DEPENDENCIES)
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$(AM_V_CCLD)$(pcre_jit_test_LINK) $(pcre_jit_test_OBJECTS) $(pcre_jit_test_LDADD) $(LIBS)
pcre_scanner_unittest$(EXEEXT): $(pcre_scanner_unittest_OBJECTS) $(pcre_scanner_unittest_DEPENDENCIES) $(EXTRA_pcre_scanner_unittest_DEPENDENCIES)
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$(AM_V_CXXLD)$(pcre_scanner_unittest_LINK) $(pcre_scanner_unittest_OBJECTS) $(pcre_scanner_unittest_LDADD) $(LIBS)
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$(AM_V_CXXLD)$(pcre_stringpiece_unittest_LINK) $(pcre_stringpiece_unittest_OBJECTS) $(pcre_stringpiece_unittest_LDADD) $(LIBS)
pcrecpp_unittest$(EXEEXT): $(pcrecpp_unittest_OBJECTS) $(pcrecpp_unittest_DEPENDENCIES) $(EXTRA_pcrecpp_unittest_DEPENDENCIES)
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$(AM_V_CXXLD)$(pcrecpp_unittest_LINK) $(pcrecpp_unittest_OBJECTS) $(pcrecpp_unittest_LDADD) $(LIBS)
pcregrep$(EXEEXT): $(pcregrep_OBJECTS) $(pcregrep_DEPENDENCIES) $(EXTRA_pcregrep_DEPENDENCIES)
@rm -f pcregrep$(EXEEXT)
$(AM_V_CCLD)$(pcregrep_LINK) $(pcregrep_OBJECTS) $(pcregrep_LDADD) $(LIBS)
pcretest$(EXEEXT): $(pcretest_OBJECTS) $(pcretest_DEPENDENCIES) $(EXTRA_pcretest_DEPENDENCIES)
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rm -rf $@ _generic
mkdir _generic
cs=$(srcdir)/config.status; test ! -f $$cs || mv -f $$cs $$cs.aside
cd _generic && $(abs_top_srcdir)/configure || :
cs=$(srcdir)/config.status; test ! -f $$cs.aside || mv -f $$cs.aside $$cs
test -f _generic/config.h
perl -n \
-e 'BEGIN{$$blank=0;}' \
-e 'if(/PCRE_EXP_DEFN/){print"/* #undef PCRE_EXP_DEFN */\n";$$blank=0;next;}' \
-e 'if(/to make a symbol visible/){next;}' \
-e 'if(/__attribute__ \(\(visibility/){next;}' \
-e 'if(/LT_OBJDIR/){print"/* This is ignored unless you are using libtool. */\n";}' \
-e 'if(/^#define\s((?:HAVE|SUPPORT|STDC)_\w+)/){print"/* #undef $$1 */\n";$$blank=0;next;}' \
-e 'if(/^#define\s(?!PACKAGE|VERSION)(\w+)/){print"#ifndef $$1\n$$_#endif\n";$$blank=0;next;}' \
-e 'if(/^\s*$$/){print unless $$blank; $$blank=1;} else{print;$$blank=0;}' \
_generic/config.h >$@
rm -rf _generic
@WITH_REBUILD_CHARTABLES_TRUE@pcre_chartables.c: dftables$(EXEEXT)
@WITH_REBUILD_CHARTABLES_TRUE@ ./dftables$(EXEEXT) $@
@WITH_REBUILD_CHARTABLES_FALSE@pcre_chartables.c: $(srcdir)/pcre_chartables.c.dist
@WITH_REBUILD_CHARTABLES_FALSE@ rm -f $@
@WITH_REBUILD_CHARTABLES_FALSE@ $(LN_S) $(srcdir)/pcre_chartables.c.dist $@
# A compatibility line, the old build system worked with 'make test'
test: check ;
# A PCRE user submitted the following addition, saying that it "will allow
# anyone using the 'mingw32' compiler to simply type 'make pcre.dll' and get a
# nice DLL for Windows use".
pcre.dll: $(DLL_OBJS)
$(CC) -shared -o pcre.dll -Wl,"--strip-all" -Wl,"--export-all-symbols" $(DLL_OBJS)
# Arrange for the per-function man pages to have 16- and 32-bit names as well.
install-data-hook:
ln -sf pcre_assign_jit_stack.3 $(DESTDIR)$(man3dir)/pcre16_assign_jit_stack.3
ln -sf pcre_compile.3 $(DESTDIR)$(man3dir)/pcre16_compile.3
ln -sf pcre_compile2.3 $(DESTDIR)$(man3dir)/pcre16_compile2.3
ln -sf pcre_config.3 $(DESTDIR)$(man3dir)/pcre16_config.3
ln -sf pcre_copy_named_substring.3 $(DESTDIR)$(man3dir)/pcre16_copy_named_substring.3
ln -sf pcre_copy_substring.3 $(DESTDIR)$(man3dir)/pcre16_copy_substring.3
ln -sf pcre_dfa_exec.3 $(DESTDIR)$(man3dir)/pcre16_dfa_exec.3
ln -sf pcre_exec.3 $(DESTDIR)$(man3dir)/pcre16_exec.3
ln -sf pcre_free_study.3 $(DESTDIR)$(man3dir)/pcre16_free_study.3
ln -sf pcre_free_substring.3 $(DESTDIR)$(man3dir)/pcre16_free_substring.3
ln -sf pcre_free_substring_list.3 $(DESTDIR)$(man3dir)/pcre16_free_substring_list.3
ln -sf pcre_fullinfo.3 $(DESTDIR)$(man3dir)/pcre16_fullinfo.3
ln -sf pcre_get_named_substring.3 $(DESTDIR)$(man3dir)/pcre16_get_named_substring.3
ln -sf pcre_get_stringnumber.3 $(DESTDIR)$(man3dir)/pcre16_get_stringnumber.3
ln -sf pcre_get_stringtable_entries.3 $(DESTDIR)$(man3dir)/pcre16_get_stringtable_entries.3
ln -sf pcre_get_substring.3 $(DESTDIR)$(man3dir)/pcre16_get_substring.3
ln -sf pcre_get_substring_list.3 $(DESTDIR)$(man3dir)/pcre16_get_substring_list.3
ln -sf pcre_jit_exec.3 $(DESTDIR)$(man3dir)/pcre16_jit_exec.3
ln -sf pcre_jit_stack_alloc.3 $(DESTDIR)$(man3dir)/pcre16_jit_stack_alloc.3
ln -sf pcre_jit_stack_free.3 $(DESTDIR)$(man3dir)/pcre16_jit_stack_free.3
ln -sf pcre_maketables.3 $(DESTDIR)$(man3dir)/pcre16_maketables.3
ln -sf pcre_pattern_to_host_byte_order.3 $(DESTDIR)$(man3dir)/pcre16_pattern_to_host_byte_order.3
ln -sf pcre_refcount.3 $(DESTDIR)$(man3dir)/pcre16_refcount.3
ln -sf pcre_study.3 $(DESTDIR)$(man3dir)/pcre16_study.3
ln -sf pcre_utf16_to_host_byte_order.3 $(DESTDIR)$(man3dir)/pcre16_utf16_to_host_byte_order.3
ln -sf pcre_version.3 $(DESTDIR)$(man3dir)/pcre16_version.3
ln -sf pcre_assign_jit_stack.3 $(DESTDIR)$(man3dir)/pcre32_assign_jit_stack.3
ln -sf pcre_compile.3 $(DESTDIR)$(man3dir)/pcre32_compile.3
ln -sf pcre_compile2.3 $(DESTDIR)$(man3dir)/pcre32_compile2.3
ln -sf pcre_config.3 $(DESTDIR)$(man3dir)/pcre32_config.3
ln -sf pcre_copy_named_substring.3 $(DESTDIR)$(man3dir)/pcre32_copy_named_substring.3
ln -sf pcre_copy_substring.3 $(DESTDIR)$(man3dir)/pcre32_copy_substring.3
ln -sf pcre_dfa_exec.3 $(DESTDIR)$(man3dir)/pcre32_dfa_exec.3
ln -sf pcre_exec.3 $(DESTDIR)$(man3dir)/pcre32_exec.3
ln -sf pcre_free_study.3 $(DESTDIR)$(man3dir)/pcre32_free_study.3
ln -sf pcre_free_substring.3 $(DESTDIR)$(man3dir)/pcre32_free_substring.3
ln -sf pcre_free_substring_list.3 $(DESTDIR)$(man3dir)/pcre32_free_substring_list.3
ln -sf pcre_fullinfo.3 $(DESTDIR)$(man3dir)/pcre32_fullinfo.3
ln -sf pcre_get_named_substring.3 $(DESTDIR)$(man3dir)/pcre32_get_named_substring.3
ln -sf pcre_get_stringnumber.3 $(DESTDIR)$(man3dir)/pcre32_get_stringnumber.3
ln -sf pcre_get_stringtable_entries.3 $(DESTDIR)$(man3dir)/pcre32_get_stringtable_entries.3
ln -sf pcre_get_substring.3 $(DESTDIR)$(man3dir)/pcre32_get_substring.3
ln -sf pcre_get_substring_list.3 $(DESTDIR)$(man3dir)/pcre32_get_substring_list.3
ln -sf pcre_jit_exec.3 $(DESTDIR)$(man3dir)/pcre32_jit_exec.3
ln -sf pcre_jit_stack_alloc.3 $(DESTDIR)$(man3dir)/pcre32_jit_stack_alloc.3
ln -sf pcre_jit_stack_free.3 $(DESTDIR)$(man3dir)/pcre32_jit_stack_free.3
ln -sf pcre_maketables.3 $(DESTDIR)$(man3dir)/pcre32_maketables.3
ln -sf pcre_pattern_to_host_byte_order.3 $(DESTDIR)$(man3dir)/pcre32_pattern_to_host_byte_order.3
ln -sf pcre_refcount.3 $(DESTDIR)$(man3dir)/pcre32_refcount.3
ln -sf pcre_study.3 $(DESTDIR)$(man3dir)/pcre32_study.3
ln -sf pcre_utf32_to_host_byte_order.3 $(DESTDIR)$(man3dir)/pcre32_utf32_to_host_byte_order.3
ln -sf pcre_version.3 $(DESTDIR)$(man3dir)/pcre32_version.3
@WITH_GCOV_TRUE@coverage-check: all
@WITH_GCOV_TRUE@ -$(MAKE) $(AM_MAKEFLAGS) -k check
@WITH_GCOV_TRUE@coverage-baseline:
@WITH_GCOV_TRUE@ $(LCOV) $(coverage_quiet) \
@WITH_GCOV_TRUE@ --directory $(top_builddir) \
@WITH_GCOV_TRUE@ --output-file "$(COVERAGE_OUTPUT_FILE)" \
@WITH_GCOV_TRUE@ --capture \
@WITH_GCOV_TRUE@ --initial
@WITH_GCOV_TRUE@coverage-report:
@WITH_GCOV_TRUE@ $(LCOV) $(coverage_quiet) \
@WITH_GCOV_TRUE@ --directory $(top_builddir) \
@WITH_GCOV_TRUE@ --capture \
@WITH_GCOV_TRUE@ --output-file "$(COVERAGE_OUTPUT_FILE).tmp" \
@WITH_GCOV_TRUE@ --test-name "$(COVERAGE_TEST_NAME)" \
@WITH_GCOV_TRUE@ --no-checksum \
@WITH_GCOV_TRUE@ --compat-libtool \
@WITH_GCOV_TRUE@ $(COVERAGE_LCOV_EXTRA_FLAGS)
@WITH_GCOV_TRUE@ $(LCOV) $(coverage_quiet) \
@WITH_GCOV_TRUE@ --directory $(top_builddir) \
@WITH_GCOV_TRUE@ --output-file "$(COVERAGE_OUTPUT_FILE)" \
@WITH_GCOV_TRUE@ --remove "$(COVERAGE_OUTPUT_FILE).tmp" \
@WITH_GCOV_TRUE@ "/tmp/*" \
@WITH_GCOV_TRUE@ "/usr/include/*" \
@WITH_GCOV_TRUE@ "$(includedir)/*"
@WITH_GCOV_TRUE@ -@rm -f "$(COVERAGE_OUTPUT_FILE).tmp"
@WITH_GCOV_TRUE@ LANG=C $(GENHTML) $(coverage_quiet) \
@WITH_GCOV_TRUE@ --prefix $(top_builddir) \
@WITH_GCOV_TRUE@ --output-directory "$(COVERAGE_OUTPUT_DIR)" \
@WITH_GCOV_TRUE@ --title "$(PACKAGE) $(VERSION) Code Coverage Report" \
@WITH_GCOV_TRUE@ --show-details "$(COVERAGE_OUTPUT_FILE)" \
@WITH_GCOV_TRUE@ --legend \
@WITH_GCOV_TRUE@ $(COVERAGE_GENHTML_EXTRA_FLAGS)
@WITH_GCOV_TRUE@ @echo "Code coverage report written to file://$(abs_builddir)/$(COVERAGE_OUTPUT_DIR)/index.html"
@WITH_GCOV_TRUE@coverage-reset:
@WITH_GCOV_TRUE@ -$(LCOV) $(coverage_quiet) --zerocounters --directory $(top_builddir)
@WITH_GCOV_TRUE@coverage-clean-report:
@WITH_GCOV_TRUE@ -rm -f "$(COVERAGE_OUTPUT_FILE)" "$(COVERAGE_OUTPUT_FILE).tmp"
@WITH_GCOV_TRUE@ -rm -rf "$(COVERAGE_OUTPUT_DIR)"
@WITH_GCOV_TRUE@coverage-clean-data:
@WITH_GCOV_TRUE@ -find $(top_builddir) -name "*.gcda" -delete
@WITH_GCOV_TRUE@coverage-clean: coverage-reset coverage-clean-report coverage-clean-data
@WITH_GCOV_TRUE@ -find $(top_builddir) -name "*.gcno" -delete
@WITH_GCOV_TRUE@coverage-distclean: coverage-clean
@WITH_GCOV_TRUE@coverage: coverage-reset coverage-baseline coverage-check coverage-report
@WITH_GCOV_TRUE@clean-local: coverage-clean
@WITH_GCOV_TRUE@distclean-local: coverage-distclean
@WITH_GCOV_TRUE@.PHONY: coverage coverage-baseline coverage-check coverage-report coverage-reset coverage-clean-report coverage-clean-data coverage-clean coverage-distclean
@WITH_GCOV_FALSE@coverage:
@WITH_GCOV_FALSE@ @echo "Configuring with --enable-coverage required to generate code coverage report."
# Tell versions [3.59,3.63) of GNU make to not export all variables.
# Otherwise a system limit (for SysV at least) may be exceeded.
.NOEXPORT:
+737
View File
@@ -0,0 +1,737 @@
News about PCRE releases
------------------------
Release 8.41 13-June-2017
-------------------------
This is a bug-fix release.
Release 8.40 11-January-2017
----------------------------
This is a bug-fix release.
Release 8.39 14-June-2016
-------------------------
Some appropriate PCRE2 JIT improvements have been retro-fitted to PCRE1. Apart
from that, this is another bug-fix release. Note that this library (now called
PCRE1) is now being maintained for bug fixes only. New projects are advised to
use the new PCRE2 libraries.
Release 8.38 23-November-2015
-----------------------------
This is bug-fix release. Note that this library (now called PCRE1) is now being
maintained for bug fixes only. New projects are advised to use the new PCRE2
libraries.
Release 8.37 28-April-2015
--------------------------
This is bug-fix release. Note that this library (now called PCRE1) is now being
maintained for bug fixes only. New projects are advised to use the new PCRE2
libraries.
Release 8.36 26-September-2014
------------------------------
This is primarily a bug-fix release. However, in addition, the Unicode data
tables have been updated to Unicode 7.0.0.
Release 8.35 04-April-2014
--------------------------
There have been performance improvements for classes containing non-ASCII
characters and the "auto-possessification" feature has been extended. Other
minor improvements have been implemented and bugs fixed. There is a new callout
feature to enable applications to do detailed stack checks at compile time, to
avoid running out of stack for deeply nested parentheses. The JIT compiler has
been extended with experimental support for ARM-64, MIPS-64, and PPC-LE.
Release 8.34 15-December-2013
-----------------------------
As well as fixing the inevitable bugs, performance has been improved by
refactoring and extending the amount of "auto-possessification" that PCRE does.
Other notable changes:
. Implemented PCRE_INFO_MATCH_EMPTY, which yields 1 if the pattern can match
an empty string. If it can, pcretest shows this in its information output.
. A back reference to a named subpattern when there is more than one of the
same name now checks them in the order in which they appear in the pattern.
The first one that is set is used for the reference. Previously only the
first one was inspected. This change makes PCRE more compatible with Perl.
. Unicode character properties were updated from Unicode 6.3.0.
. The character VT has been added to the set of characters that match \s and
are generally treated as white space, following this same change in Perl
5.18. There is now no difference between "Perl space" and "POSIX space".
. Perl has changed its handling of \8 and \9. If there is no previously
encountered capturing group of those numbers, they are treated as the
literal characters 8 and 9 instead of a binary zero followed by the
literals. PCRE now does the same.
. Following Perl, added \o{} to specify codepoints in octal, making it
possible to specify values greater than 0777 and also making them
unambiguous.
. In UCP mode, \s was not matching two of the characters that Perl matches,
namely NEL (U+0085) and MONGOLIAN VOWEL SEPARATOR (U+180E), though they
were matched by \h.
. Add JIT support for the 64 bit TileGX architecture.
. Upgraded the handling of the POSIX classes [:graph:], [:print:], and
[:punct:] when PCRE_UCP is set so as to include the same characters as Perl
does in Unicode mode.
. Perl no longer allows group names to start with digits, so I have made this
change also in PCRE.
. Added support for [[:<:]] and [[:>:]] as used in the BSD POSIX library to
mean "start of word" and "end of word", respectively, as a transition aid.
Release 8.33 28-May-2013
--------------------------
A number of bugs are fixed, and some performance improvements have been made.
There are also some new features, of which these are the most important:
. The behaviour of the backtracking verbs has been rationalized and
documented in more detail.
. JIT now supports callouts and all of the backtracking verbs.
. Unicode validation has been updated in the light of Unicode Corrigendum #9,
which points out that "non characters" are not "characters that may not
appear in Unicode strings" but rather "characters that are reserved for
internal use and have only local meaning".
. (*LIMIT_MATCH=d) and (*LIMIT_RECURSION=d) have been added so that the
creator of a pattern can specify lower (but not higher) limits for the
matching process.
. The PCRE_NEVER_UTF option is available to prevent pattern-writers from using
the (*UTF) feature, as this could be a security issue.
Release 8.32 30-November-2012
-----------------------------
This release fixes a number of bugs, but also has some new features. These are
the highlights:
. There is now support for 32-bit character strings and UTF-32. Like the
16-bit support, this is done by compiling a separate 32-bit library.
. \X now matches a Unicode extended grapheme cluster.
. Case-independent matching of Unicode characters that have more than one
"other case" now makes all three (or more) characters equivalent. This
applies, for example, to Greek Sigma, which has two lowercase versions.
. Unicode character properties are updated to Unicode 6.2.0.
. The EBCDIC support, which had decayed, has had a spring clean.
. A number of JIT optimizations have been added, which give faster JIT
execution speed. In addition, a new direct interface to JIT execution is
available. This bypasses some of the sanity checks of pcre_exec() to give a
noticeable speed-up.
. A number of issues in pcregrep have been fixed, making it more compatible
with GNU grep. In particular, --exclude and --include (and variants) apply
to all files now, not just those obtained from scanning a directory
recursively. In Windows environments, the default action for directories is
now "skip" instead of "read" (which provokes an error).
. If the --only-matching (-o) option in pcregrep is specified multiple
times, each one causes appropriate output. For example, -o1 -o2 outputs the
substrings matched by the 1st and 2nd capturing parentheses. A separating
string can be specified by --om-separator (default empty).
. When PCRE is built via Autotools using a version of gcc that has the
"visibility" feature, it is used to hide internal library functions that are
not part of the public API.
Release 8.31 06-July-2012
-------------------------
This is mainly a bug-fixing release, with a small number of developments:
. The JIT compiler now supports partial matching and the (*MARK) and
(*COMMIT) verbs.
. PCRE_INFO_MAXLOOKBEHIND can be used to find the longest lookbehind in a
pattern.
. There should be a performance improvement when using the heap instead of the
stack for recursion.
. pcregrep can now be linked with libedit as an alternative to libreadline.
. pcregrep now has a --file-list option where the list of files to scan is
given as a file.
. pcregrep now recognizes binary files and there are related options.
. The Unicode tables have been updated to 6.1.0.
As always, the full list of changes is in the ChangeLog file.
Release 8.30 04-February-2012
-----------------------------
Release 8.30 introduces a major new feature: support for 16-bit character
strings, compiled as a separate library. There are a few changes to the
8-bit library, in addition to some bug fixes.
. The pcre_info() function, which has been obsolete for over 10 years, has
been removed.
. When a compiled pattern was saved to a file and later reloaded on a host
with different endianness, PCRE used automatically to swap the bytes in some
of the data fields. With the advent of the 16-bit library, where more of this
swapping is needed, it is no longer done automatically. Instead, the bad
endianness is detected and a specific error is given. The user can then call
a new function called pcre_pattern_to_host_byte_order() (or an equivalent
16-bit function) to do the swap.
. In UTF-8 mode, the values 0xd800 to 0xdfff are not legal Unicode
code points and are now faulted. (They are the so-called "surrogates"
that are reserved for coding high values in UTF-16.)
Release 8.21 12-Dec-2011
------------------------
This is almost entirely a bug-fix release. The only new feature is the ability
to obtain the size of the memory used by the JIT compiler.
Release 8.20 21-Oct-2011
------------------------
The main change in this release is the inclusion of Zoltan Herczeg's
just-in-time compiler support, which can be accessed by building PCRE with
--enable-jit. Large performance benefits can be had in many situations. 8.20
also fixes an unfortunate bug that was introduced in 8.13 as well as tidying up
a number of infelicities and differences from Perl.
Release 8.13 16-Aug-2011
------------------------
This is mainly a bug-fix release. There has been a lot of internal refactoring.
The Unicode tables have been updated. The only new feature in the library is
the passing of *MARK information to callouts. Some additions have been made to
pcretest to make testing easier and more comprehensive. There is a new option
for pcregrep to adjust its internal buffer size.
Release 8.12 15-Jan-2011
------------------------
This release fixes some bugs in pcregrep, one of which caused the tests to fail
on 64-bit big-endian systems. There are no changes to the code of the library.
Release 8.11 10-Dec-2010
------------------------
A number of bugs in the library and in pcregrep have been fixed. As always, see
ChangeLog for details. The following are the non-bug-fix changes:
. Added --match-limit and --recursion-limit to pcregrep.
. Added an optional parentheses number to the -o and --only-matching options
of pcregrep.
. Changed the way PCRE_PARTIAL_HARD affects the matching of $, \z, \Z, \b, and
\B.
. Added PCRE_ERROR_SHORTUTF8 to make it possible to distinguish between a
bad UTF-8 sequence and one that is incomplete when using PCRE_PARTIAL_HARD.
. Recognize (*NO_START_OPT) at the start of a pattern to set the PCRE_NO_
START_OPTIMIZE option, which is now allowed at compile time
Release 8.10 25-Jun-2010
------------------------
There are two major additions: support for (*MARK) and friends, and the option
PCRE_UCP, which changes the behaviour of \b, \d, \s, and \w (and their
opposites) so that they make use of Unicode properties. There are also a number
of lesser new features, and several bugs have been fixed. A new option,
--line-buffered, has been added to pcregrep, for use when it is connected to
pipes.
Release 8.02 19-Mar-2010
------------------------
Another bug-fix release.
Release 8.01 19-Jan-2010
------------------------
This is a bug-fix release. Several bugs in the code itself and some bugs and
infelicities in the build system have been fixed.
Release 8.00 19-Oct-09
----------------------
Bugs have been fixed in the library and in pcregrep. There are also some
enhancements. Restrictions on patterns used for partial matching have been
removed, extra information is given for partial matches, the partial matching
process has been improved, and an option to make a partial match override a
full match is available. The "study" process has been enhanced by finding a
lower bound matching length. Groups with duplicate numbers may now have
duplicated names without the use of PCRE_DUPNAMES. However, they may not have
different names. The documentation has been revised to reflect these changes.
The version number has been expanded to 3 digits as it is clear that the rate
of change is not slowing down.
Release 7.9 11-Apr-09
---------------------
Mostly bugfixes and tidies with just a couple of minor functional additions.
Release 7.8 05-Sep-08
---------------------
More bug fixes, plus a performance improvement in Unicode character property
lookup.
Release 7.7 07-May-08
---------------------
This is once again mainly a bug-fix release, but there are a couple of new
features.
Release 7.6 28-Jan-08
---------------------
The main reason for having this release so soon after 7.5 is because it fixes a
potential buffer overflow problem in pcre_compile() when run in UTF-8 mode. In
addition, the CMake configuration files have been brought up to date.
Release 7.5 10-Jan-08
---------------------
This is mainly a bug-fix release. However the ability to link pcregrep with
libz or libbz2 and the ability to link pcretest with libreadline have been
added. Also the --line-offsets and --file-offsets options were added to
pcregrep.
Release 7.4 21-Sep-07
---------------------
The only change of specification is the addition of options to control whether
\R matches any Unicode line ending (the default) or just CR, LF, and CRLF.
Otherwise, the changes are bug fixes and a refactoring to reduce the number of
relocations needed in a shared library. There have also been some documentation
updates, in particular, some more information about using CMake to build PCRE
has been added to the NON-UNIX-USE file.
Release 7.3 28-Aug-07
---------------------
Most changes are bug fixes. Some that are not:
1. There is some support for Perl 5.10's experimental "backtracking control
verbs" such as (*PRUNE).
2. UTF-8 checking is now as per RFC 3629 instead of RFC 2279; this is more
restrictive in the strings it accepts.
3. Checking for potential integer overflow has been made more dynamic, and as a
consequence there is no longer a hard limit on the size of a subpattern that
has a limited repeat count.
4. When CRLF is a valid line-ending sequence, pcre_exec() and pcre_dfa_exec()
no longer advance by two characters instead of one when an unanchored match
fails at CRLF if there are explicit CR or LF matches within the pattern.
This gets rid of some anomalous effects that previously occurred.
5. Some PCRE-specific settings for varying the newline options at the start of
a pattern have been added.
Release 7.2 19-Jun-07
---------------------
WARNING: saved patterns that were compiled by earlier versions of PCRE must be
recompiled for use with 7.2 (necessitated by the addition of \K, \h, \H, \v,
and \V).
Correction to the notes for 7.1: the note about shared libraries for Windows is
wrong. Previously, three libraries were built, but each could function
independently. For example, the pcreposix library also included all the
functions from the basic pcre library. The change is that the three libraries
are no longer independent. They are like the Unix libraries. To use the
pcreposix functions, for example, you need to link with both the pcreposix and
the basic pcre library.
Some more features from Perl 5.10 have been added:
(?-n) and (?+n) relative references for recursion and subroutines.
(?(-n) and (?(+n) relative references as conditions.
\k{name} and \g{name} are synonyms for \k<name>.
\K to reset the start of the matched string; for example, (foo)\Kbar
matches bar preceded by foo, but only sets bar as the matched string.
(?| introduces a group where the capturing parentheses in each alternative
start from the same number; for example, (?|(abc)|(xyz)) sets capturing
parentheses number 1 in both cases.
\h, \H, \v, \V match horizontal and vertical whitespace, respectively.
Release 7.1 24-Apr-07
---------------------
There is only one new feature in this release: a linebreak setting of
PCRE_NEWLINE_ANYCRLF. It is a cut-down version of PCRE_NEWLINE_ANY, which
recognizes only CRLF, CR, and LF as linebreaks.
A few bugs are fixed (see ChangeLog for details), but the major change is a
complete re-implementation of the build system. This now has full Autotools
support and so is now "standard" in some sense. It should help with compiling
PCRE in a wide variety of environments.
NOTE: when building shared libraries for Windows, three dlls are now built,
called libpcre, libpcreposix, and libpcrecpp. Previously, everything was
included in a single dll.
Another important change is that the dftables auxiliary program is no longer
compiled and run at "make" time by default. Instead, a default set of character
tables (assuming ASCII coding) is used. If you want to use dftables to generate
the character tables as previously, add --enable-rebuild-chartables to the
"configure" command. You must do this if you are compiling PCRE to run on a
system that uses EBCDIC code.
There is a discussion about character tables in the README file. The default is
not to use dftables so that that there is no problem when cross-compiling.
Release 7.0 19-Dec-06
---------------------
This release has a new major number because there have been some internal
upheavals to facilitate the addition of new optimizations and other facilities,
and to make subsequent maintenance and extension easier. Compilation is likely
to be a bit slower, but there should be no major effect on runtime performance.
Previously compiled patterns are NOT upwards compatible with this release. If
you have saved compiled patterns from a previous release, you will have to
re-compile them. Important changes that are visible to users are:
1. The Unicode property tables have been updated to Unicode 5.0.0, which adds
some more scripts.
2. The option PCRE_NEWLINE_ANY causes PCRE to recognize any Unicode newline
sequence as a newline.
3. The \R escape matches a single Unicode newline sequence as a single unit.
4. New features that will appear in Perl 5.10 are now in PCRE. These include
alternative Perl syntax for named parentheses, and Perl syntax for
recursion.
5. The C++ wrapper interface has been extended by the addition of a
QuoteMeta function and the ability to allow copy construction and
assignment.
For a complete list of changes, see the ChangeLog file.
Release 6.7 04-Jul-06
---------------------
The main additions to this release are the ability to use the same name for
multiple sets of parentheses, and support for CRLF line endings in both the
library and pcregrep (and in pcretest for testing).
Thanks to Ian Taylor, the stack usage for many kinds of pattern has been
significantly reduced for certain subject strings.
Release 6.5 01-Feb-06
---------------------
Important changes in this release:
1. A number of new features have been added to pcregrep.
2. The Unicode property tables have been updated to Unicode 4.1.0, and the
supported properties have been extended with script names such as "Arabic",
and the derived properties "Any" and "L&". This has necessitated a change to
the interal format of compiled patterns. Any saved compiled patterns that
use \p or \P must be recompiled.
3. The specification of recursion in patterns has been changed so that all
recursive subpatterns are automatically treated as atomic groups. Thus, for
example, (?R) is treated as if it were (?>(?R)). This is necessary because
otherwise there are situations where recursion does not work.
See the ChangeLog for a complete list of changes, which include a number of bug
fixes and tidies.
Release 6.0 07-Jun-05
---------------------
The release number has been increased to 6.0 because of the addition of several
major new pieces of functionality.
A new function, pcre_dfa_exec(), which implements pattern matching using a DFA
algorithm, has been added. This has a number of advantages for certain cases,
though it does run more slowly, and lacks the ability to capture substrings. On
the other hand, it does find all matches, not just the first, and it works
better for partial matching. The pcrematching man page discusses the
differences.
The pcretest program has been enhanced so that it can make use of the new
pcre_dfa_exec() matching function and the extra features it provides.
The distribution now includes a C++ wrapper library. This is built
automatically if a C++ compiler is found. The pcrecpp man page discusses this
interface.
The code itself has been re-organized into many more files, one for each
function, so it no longer requires everything to be linked in when static
linkage is used. As a consequence, some internal functions have had to have
their names exposed. These functions all have names starting with _pcre_. They
are undocumented, and are not intended for use by outside callers.
The pcregrep program has been enhanced with new functionality such as
multiline-matching and options for output more matching context. See the
ChangeLog for a complete list of changes to the library and the utility
programs.
Release 5.0 13-Sep-04
---------------------
The licence under which PCRE is released has been changed to the more
conventional "BSD" licence.
In the code, some bugs have been fixed, and there are also some major changes
in this release (which is why I've increased the number to 5.0). Some changes
are internal rearrangements, and some provide a number of new facilities. The
new features are:
1. There's an "automatic callout" feature that inserts callouts before every
item in the regex, and there's a new callout field that gives the position
in the pattern - useful for debugging and tracing.
2. The extra_data structure can now be used to pass in a set of character
tables at exec time. This is useful if compiled regex are saved and re-used
at a later time when the tables may not be at the same address. If the
default internal tables are used, the pointer saved with the compiled
pattern is now set to NULL, which means that you don't need to do anything
special unless you are using custom tables.
3. It is possible, with some restrictions on the content of the regex, to
request "partial" matching. A special return code is given if all of the
subject string matched part of the regex. This could be useful for testing
an input field as it is being typed.
4. There is now some optional support for Unicode character properties, which
means that the patterns items such as \p{Lu} and \X can now be used. Only
the general category properties are supported. If PCRE is compiled with this
support, an additional 90K data structure is include, which increases the
size of the library dramatically.
5. There is support for saving compiled patterns and re-using them later.
6. There is support for running regular expressions that were compiled on a
different host with the opposite endianness.
7. The pcretest program has been extended to accommodate the new features.
The main internal rearrangement is that sequences of literal characters are no
longer handled as strings. Instead, each character is handled on its own. This
makes some UTF-8 handling easier, and makes the support of partial matching
possible. Compiled patterns containing long literal strings will be larger as a
result of this change; I hope that performance will not be much affected.
Release 4.5 01-Dec-03
---------------------
Again mainly a bug-fix and tidying release, with only a couple of new features:
1. It's possible now to compile PCRE so that it does not use recursive
function calls when matching. Instead it gets memory from the heap. This slows
things down, but may be necessary on systems with limited stacks.
2. UTF-8 string checking has been tightened to reject overlong sequences and to
check that a starting offset points to the start of a character. Failure of the
latter returns a new error code: PCRE_ERROR_BADUTF8_OFFSET.
3. PCRE can now be compiled for systems that use EBCDIC code.
Release 4.4 21-Aug-03
---------------------
This is mainly a bug-fix and tidying release. The only new feature is that PCRE
checks UTF-8 strings for validity by default. There is an option to suppress
this, just in case anybody wants that teeny extra bit of performance.
Releases 4.1 - 4.3
------------------
Sorry, I forgot about updating the NEWS file for these releases. Please take a
look at ChangeLog.
Release 4.0 17-Feb-03
---------------------
There have been a lot of changes for the 4.0 release, adding additional
functionality and mending bugs. Below is a list of the highlights of the new
functionality. For full details of these features, please consult the
documentation. For a complete list of changes, see the ChangeLog file.
1. Support for Perl's \Q...\E escapes.
2. "Possessive quantifiers" ?+, *+, ++, and {,}+ which come from Sun's Java
package. They provide some syntactic sugar for simple cases of "atomic
grouping".
3. Support for the \G assertion. It is true when the current matching position
is at the start point of the match.
4. A new feature that provides some of the functionality that Perl provides
with (?{...}). The facility is termed a "callout". The way it is done in PCRE
is for the caller to provide an optional function, by setting pcre_callout to
its entry point. To get the function called, the regex must include (?C) at
appropriate points.
5. Support for recursive calls to individual subpatterns. This makes it really
easy to get totally confused.
6. Support for named subpatterns. The Python syntax (?P<name>...) is used to
name a group.
7. Several extensions to UTF-8 support; it is now fairly complete. There is an
option for pcregrep to make it operate in UTF-8 mode.
8. The single man page has been split into a number of separate man pages.
These also give rise to individual HTML pages which are put in a separate
directory. There is an index.html page that lists them all. Some hyperlinking
between the pages has been installed.
Release 3.5 15-Aug-01
---------------------
1. The configuring system has been upgraded to use later versions of autoconf
and libtool. By default it builds both a shared and a static library if the OS
supports it. You can use --disable-shared or --disable-static on the configure
command if you want only one of them.
2. The pcretest utility is now installed along with pcregrep because it is
useful for users (to test regexs) and by doing this, it automatically gets
relinked by libtool. The documentation has been turned into a man page, so
there are now .1, .txt, and .html versions in /doc.
3. Upgrades to pcregrep:
(i) Added long-form option names like gnu grep.
(ii) Added --help to list all options with an explanatory phrase.
(iii) Added -r, --recursive to recurse into sub-directories.
(iv) Added -f, --file to read patterns from a file.
4. Added --enable-newline-is-cr and --enable-newline-is-lf to the configure
script, to force use of CR or LF instead of \n in the source. On non-Unix
systems, the value can be set in config.h.
5. The limit of 200 on non-capturing parentheses is a _nesting_ limit, not an
absolute limit. Changed the text of the error message to make this clear, and
likewise updated the man page.
6. The limit of 99 on the number of capturing subpatterns has been removed.
The new limit is 65535, which I hope will not be a "real" limit.
Release 3.3 01-Aug-00
---------------------
There is some support for UTF-8 character strings. This is incomplete and
experimental. The documentation describes what is and what is not implemented.
Otherwise, this is just a bug-fixing release.
Release 3.0 01-Feb-00
---------------------
1. A "configure" script is now used to configure PCRE for Unix systems. It
builds a Makefile, a config.h file, and the pcre-config script.
2. PCRE is built as a shared library by default.
3. There is support for POSIX classes such as [:alpha:].
5. There is an experimental recursion feature.
----------------------------------------------------------------------------
IMPORTANT FOR THOSE UPGRADING FROM VERSIONS BEFORE 2.00
Please note that there has been a change in the API such that a larger
ovector is required at matching time, to provide some additional workspace.
The new man page has details. This change was necessary in order to support
some of the new functionality in Perl 5.005.
IMPORTANT FOR THOSE UPGRADING FROM VERSION 2.00
Another (I hope this is the last!) change has been made to the API for the
pcre_compile() function. An additional argument has been added to make it
possible to pass over a pointer to character tables built in the current
locale by pcre_maketables(). To use the default tables, this new argument
should be passed as NULL.
IMPORTANT FOR THOSE UPGRADING FROM VERSION 2.05
Yet another (and again I hope this really is the last) change has been made
to the API for the pcre_exec() function. An additional argument has been
added to make it possible to start the match other than at the start of the
subject string. This is important if there are lookbehinds. The new man
page has the details, but you just want to convert existing programs, all
you need to do is to stick in a new fifth argument to pcre_exec(), with a
value of zero. For example, change
pcre_exec(pattern, extra, subject, length, options, ovec, ovecsize)
to
pcre_exec(pattern, extra, subject, length, 0, options, ovec, ovecsize)
****
+772
View File
@@ -0,0 +1,772 @@
Building PCRE without using autotools
-------------------------------------
NOTE: This document relates to PCRE releases that use the original API, with
library names libpcre, libpcre16, and libpcre32. January 2015 saw the first
release of a new API, known as PCRE2, with release numbers starting at 10.00
and library names libpcre2-8, libpcre2-16, and libpcre2-32. The old libraries
(now called PCRE1) are still being maintained for bug fixes, but there will be
no new development. New projects are advised to use the new PCRE2 libraries.
This document contains the following sections:
General
Generic instructions for the PCRE C library
The C++ wrapper functions
Building for virtual Pascal
Stack size in Windows environments
Linking programs in Windows environments
Calling conventions in Windows environments
Comments about Win32 builds
Building PCRE on Windows with CMake
Use of relative paths with CMake on Windows
Testing with RunTest.bat
Building under Windows CE with Visual Studio 200x
Building under Windows with BCC5.5
Building using Borland C++ Builder 2007 (CB2007) and higher
Building PCRE on OpenVMS
Building PCRE on Stratus OpenVOS
Building PCRE on native z/OS and z/VM
GENERAL
I (Philip Hazel) have no experience of Windows or VMS sytems and how their
libraries work. The items in the PCRE distribution and Makefile that relate to
anything other than Linux systems are untested by me.
There are some other comments and files (including some documentation in CHM
format) in the Contrib directory on the FTP site:
ftp://ftp.csx.cam.ac.uk/pub/software/programming/pcre/Contrib
The basic PCRE library consists entirely of code written in Standard C, and so
should compile successfully on any system that has a Standard C compiler and
library. The C++ wrapper functions are a separate issue (see below).
The PCRE distribution includes a "configure" file for use by the configure/make
(autotools) build system, as found in many Unix-like environments. The README
file contains information about the options for "configure".
There is also support for CMake, which some users prefer, especially in Windows
environments, though it can also be run in Unix-like environments. See the
section entitled "Building PCRE on Windows with CMake" below.
Versions of config.h and pcre.h are distributed in the PCRE tarballs under the
names config.h.generic and pcre.h.generic. These are provided for those who
build PCRE without using "configure" or CMake. If you use "configure" or CMake,
the .generic versions are not used.
GENERIC INSTRUCTIONS FOR THE PCRE C LIBRARY
The following are generic instructions for building the PCRE C library "by
hand". If you are going to use CMake, this section does not apply to you; you
can skip ahead to the CMake section.
(1) Copy or rename the file config.h.generic as config.h, and edit the macro
settings that it contains to whatever is appropriate for your environment.
In particular, you can alter the definition of the NEWLINE macro to
specify what character(s) you want to be interpreted as line terminators.
In an EBCDIC environment, you MUST change NEWLINE, because its default
value is 10, an ASCII LF. The usual EBCDIC newline character is 21 (0x15,
NL), though in some cases it may be 37 (0x25).
When you compile any of the PCRE modules, you must specify -DHAVE_CONFIG_H
to your compiler so that config.h is included in the sources.
An alternative approach is not to edit config.h, but to use -D on the
compiler command line to make any changes that you need to the
configuration options. In this case -DHAVE_CONFIG_H must not be set.
NOTE: There have been occasions when the way in which certain parameters
in config.h are used has changed between releases. (In the configure/make
world, this is handled automatically.) When upgrading to a new release,
you are strongly advised to review config.h.generic before re-using what
you had previously.
(2) Copy or rename the file pcre.h.generic as pcre.h.
(3) EITHER:
Copy or rename file pcre_chartables.c.dist as pcre_chartables.c.
OR:
Compile dftables.c as a stand-alone program (using -DHAVE_CONFIG_H if
you have set up config.h), and then run it with the single argument
"pcre_chartables.c". This generates a set of standard character tables
and writes them to that file. The tables are generated using the default
C locale for your system. If you want to use a locale that is specified
by LC_xxx environment variables, add the -L option to the dftables
command. You must use this method if you are building on a system that
uses EBCDIC code.
The tables in pcre_chartables.c are defaults. The caller of PCRE can
specify alternative tables at run time.
(4) Ensure that you have the following header files:
pcre_internal.h
ucp.h
(5) For an 8-bit library, compile the following source files, setting
-DHAVE_CONFIG_H as a compiler option if you have set up config.h with your
configuration, or else use other -D settings to change the configuration
as required.
pcre_byte_order.c
pcre_chartables.c
pcre_compile.c
pcre_config.c
pcre_dfa_exec.c
pcre_exec.c
pcre_fullinfo.c
pcre_get.c
pcre_globals.c
pcre_jit_compile.c
pcre_maketables.c
pcre_newline.c
pcre_ord2utf8.c
pcre_refcount.c
pcre_string_utils.c
pcre_study.c
pcre_tables.c
pcre_ucd.c
pcre_valid_utf8.c
pcre_version.c
pcre_xclass.c
Make sure that you include -I. in the compiler command (or equivalent for
an unusual compiler) so that all included PCRE header files are first
sought in the current directory. Otherwise you run the risk of picking up
a previously-installed file from somewhere else.
Note that you must still compile pcre_jit_compile.c, even if you have not
defined SUPPORT_JIT in config.h, because when JIT support is not
configured, dummy functions are compiled. When JIT support IS configured,
pcre_jit_compile.c #includes sources from the sljit subdirectory, where
there should be 16 files, all of whose names begin with "sljit".
(6) Now link all the compiled code into an object library in whichever form
your system keeps such libraries. This is the basic PCRE C 8-bit library.
If your system has static and shared libraries, you may have to do this
once for each type.
(7) If you want to build a 16-bit library (as well as, or instead of the 8-bit
or 32-bit libraries) repeat steps 5-6 with the following files:
pcre16_byte_order.c
pcre16_chartables.c
pcre16_compile.c
pcre16_config.c
pcre16_dfa_exec.c
pcre16_exec.c
pcre16_fullinfo.c
pcre16_get.c
pcre16_globals.c
pcre16_jit_compile.c
pcre16_maketables.c
pcre16_newline.c
pcre16_ord2utf16.c
pcre16_refcount.c
pcre16_string_utils.c
pcre16_study.c
pcre16_tables.c
pcre16_ucd.c
pcre16_utf16_utils.c
pcre16_valid_utf16.c
pcre16_version.c
pcre16_xclass.c
(8) If you want to build a 32-bit library (as well as, or instead of the 8-bit
or 16-bit libraries) repeat steps 5-6 with the following files:
pcre32_byte_order.c
pcre32_chartables.c
pcre32_compile.c
pcre32_config.c
pcre32_dfa_exec.c
pcre32_exec.c
pcre32_fullinfo.c
pcre32_get.c
pcre32_globals.c
pcre32_jit_compile.c
pcre32_maketables.c
pcre32_newline.c
pcre32_ord2utf32.c
pcre32_refcount.c
pcre32_string_utils.c
pcre32_study.c
pcre32_tables.c
pcre32_ucd.c
pcre32_utf32_utils.c
pcre32_valid_utf32.c
pcre32_version.c
pcre32_xclass.c
(9) If you want to build the POSIX wrapper functions (which apply only to the
8-bit library), ensure that you have the pcreposix.h file and then compile
pcreposix.c (remembering -DHAVE_CONFIG_H if necessary). Link the result
(on its own) as the pcreposix library.
(10) The pcretest program can be linked with any combination of the 8-bit,
16-bit and 32-bit libraries (depending on what you selected in config.h).
Compile pcretest.c and pcre_printint.c (again, don't forget
-DHAVE_CONFIG_H) and link them together with the appropriate library/ies.
If you compiled an 8-bit library, pcretest also needs the pcreposix
wrapper library unless you compiled it with -DNOPOSIX.
(11) Run pcretest on the testinput files in the testdata directory, and check
that the output matches the corresponding testoutput files. There are
comments about what each test does in the section entitled "Testing PCRE"
in the README file. If you compiled more than one of the 8-bit, 16-bit and
32-bit libraries, you need to run pcretest with the -16 option to do
16-bit tests and with the -32 option to do 32-bit tests.
Some tests are relevant only when certain build-time options are selected.
For example, test 4 is for UTF-8/UTF-16/UTF-32 support, and will not run
if you have built PCRE without it. See the comments at the start of each
testinput file. If you have a suitable Unix-like shell, the RunTest script
will run the appropriate tests for you. The command "RunTest list" will
output a list of all the tests.
Note that the supplied files are in Unix format, with just LF characters
as line terminators. You may need to edit them to change this if your
system uses a different convention. If you are using Windows, you probably
should use the wintestinput3 file instead of testinput3 (and the
corresponding output file). This is a locale test; wintestinput3 sets the
locale to "french" rather than "fr_FR", and there some minor output
differences.
(12) If you have built PCRE with SUPPORT_JIT, the JIT features will be tested
by the testdata files. However, you might also like to build and run
the freestanding JIT test program, pcre_jit_test.c.
(13) If you want to use the pcregrep command, compile and link pcregrep.c; it
uses only the basic 8-bit PCRE library (it does not need the pcreposix
library).
THE C++ WRAPPER FUNCTIONS
The PCRE distribution also contains some C++ wrapper functions and tests,
applicable to the 8-bit library, which were contributed by Google Inc. On a
system that can use "configure" and "make", the functions are automatically
built into a library called pcrecpp. It should be straightforward to compile
the .cc files manually on other systems. The files called xxx_unittest.cc are
test programs for each of the corresponding xxx.cc files.
BUILDING FOR VIRTUAL PASCAL
A script for building PCRE using Borland's C++ compiler for use with VPASCAL
was contributed by Alexander Tokarev. Stefan Weber updated the script and added
additional files. The following files in the distribution are for building PCRE
for use with VP/Borland: makevp_c.txt, makevp_l.txt, makevp.bat, pcregexp.pas.
STACK SIZE IN WINDOWS ENVIRONMENTS
The default processor stack size of 1Mb in some Windows environments is too
small for matching patterns that need much recursion. In particular, test 2 may
fail because of this. Normally, running out of stack causes a crash, but there
have been cases where the test program has just died silently. See your linker
documentation for how to increase stack size if you experience problems. The
Linux default of 8Mb is a reasonable choice for the stack, though even that can
be too small for some pattern/subject combinations.
PCRE has a compile configuration option to disable the use of stack for
recursion so that heap is used instead. However, pattern matching is
significantly slower when this is done. There is more about stack usage in the
"pcrestack" documentation.
LINKING PROGRAMS IN WINDOWS ENVIRONMENTS
If you want to statically link a program against a PCRE library in the form of
a non-dll .a file, you must define PCRE_STATIC before including pcre.h or
pcrecpp.h, otherwise the pcre_malloc() and pcre_free() exported functions will
be declared __declspec(dllimport), with unwanted results.
CALLING CONVENTIONS IN WINDOWS ENVIRONMENTS
It is possible to compile programs to use different calling conventions using
MSVC. Search the web for "calling conventions" for more information. To make it
easier to change the calling convention for the exported functions in the
PCRE library, the macro PCRE_CALL_CONVENTION is present in all the external
definitions. It can be set externally when compiling (e.g. in CFLAGS). If it is
not set, it defaults to empty; the default calling convention is then used
(which is what is wanted most of the time).
COMMENTS ABOUT WIN32 BUILDS (see also "BUILDING PCRE ON WINDOWS WITH CMAKE")
There are two ways of building PCRE using the "configure, make, make install"
paradigm on Windows systems: using MinGW or using Cygwin. These are not at all
the same thing; they are completely different from each other. There is also
support for building using CMake, which some users find a more straightforward
way of building PCRE under Windows.
The MinGW home page (http://www.mingw.org/) says this:
MinGW: A collection of freely available and freely distributable Windows
specific header files and import libraries combined with GNU toolsets that
allow one to produce native Windows programs that do not rely on any
3rd-party C runtime DLLs.
The Cygwin home page (http://www.cygwin.com/) says this:
Cygwin is a Linux-like environment for Windows. It consists of two parts:
. A DLL (cygwin1.dll) which acts as a Linux API emulation layer providing
substantial Linux API functionality
. A collection of tools which provide Linux look and feel.
The Cygwin DLL currently works with all recent, commercially released x86 32
bit and 64 bit versions of Windows, with the exception of Windows CE.
On both MinGW and Cygwin, PCRE should build correctly using:
./configure && make && make install
This should create two libraries called libpcre and libpcreposix, and, if you
have enabled building the C++ wrapper, a third one called libpcrecpp. These are
independent libraries: when you link with libpcreposix or libpcrecpp you must
also link with libpcre, which contains the basic functions. (Some earlier
releases of PCRE included the basic libpcre functions in libpcreposix. This no
longer happens.)
A user submitted a special-purpose patch that makes it easy to create
"pcre.dll" under mingw32 using the "msys" environment. It provides "pcre.dll"
as a special target. If you use this target, no other files are built, and in
particular, the pcretest and pcregrep programs are not built. An example of how
this might be used is:
./configure --enable-utf --disable-cpp CFLAGS="-03 -s"; make pcre.dll
Using Cygwin's compiler generates libraries and executables that depend on
cygwin1.dll. If a library that is generated this way is distributed,
cygwin1.dll has to be distributed as well. Since cygwin1.dll is under the GPL
licence, this forces not only PCRE to be under the GPL, but also the entire
application. A distributor who wants to keep their own code proprietary must
purchase an appropriate Cygwin licence.
MinGW has no such restrictions. The MinGW compiler generates a library or
executable that can run standalone on Windows without any third party dll or
licensing issues.
But there is more complication:
If a Cygwin user uses the -mno-cygwin Cygwin gcc flag, what that really does is
to tell Cygwin's gcc to use the MinGW gcc. Cygwin's gcc is only acting as a
front end to MinGW's gcc (if you install Cygwin's gcc, you get both Cygwin's
gcc and MinGW's gcc). So, a user can:
. Build native binaries by using MinGW or by getting Cygwin and using
-mno-cygwin.
. Build binaries that depend on cygwin1.dll by using Cygwin with the normal
compiler flags.
The test files that are supplied with PCRE are in UNIX format, with LF
characters as line terminators. Unless your PCRE library uses a default newline
option that includes LF as a valid newline, it may be necessary to change the
line terminators in the test files to get some of the tests to work.
BUILDING PCRE ON WINDOWS WITH CMAKE
CMake is an alternative configuration facility that can be used instead of
"configure". CMake creates project files (make files, solution files, etc.)
tailored to numerous development environments, including Visual Studio,
Borland, Msys, MinGW, NMake, and Unix. If possible, use short paths with no
spaces in the names for your CMake installation and your PCRE source and build
directories.
The following instructions were contributed by a PCRE user. If they are not
followed exactly, errors may occur. In the event that errors do occur, it is
recommended that you delete the CMake cache before attempting to repeat the
CMake build process. In the CMake GUI, the cache can be deleted by selecting
"File > Delete Cache".
1. Install the latest CMake version available from http://www.cmake.org/, and
ensure that cmake\bin is on your path.
2. Unzip (retaining folder structure) the PCRE source tree into a source
directory such as C:\pcre. You should ensure your local date and time
is not earlier than the file dates in your source dir if the release is
very new.
3. Create a new, empty build directory, preferably a subdirectory of the
source dir. For example, C:\pcre\pcre-xx\build.
4. Run cmake-gui from the Shell envirornment of your build tool, for example,
Msys for Msys/MinGW or Visual Studio Command Prompt for VC/VC++. Do not try
to start Cmake from the Windows Start menu, as this can lead to errors.
5. Enter C:\pcre\pcre-xx and C:\pcre\pcre-xx\build for the source and build
directories, respectively.
6. Hit the "Configure" button.
7. Select the particular IDE / build tool that you are using (Visual
Studio, MSYS makefiles, MinGW makefiles, etc.)
8. The GUI will then list several configuration options. This is where
you can enable UTF-8 support or other PCRE optional features.
9. Hit "Configure" again. The adjacent "Generate" button should now be
active.
10. Hit "Generate".
11. The build directory should now contain a usable build system, be it a
solution file for Visual Studio, makefiles for MinGW, etc. Exit from
cmake-gui and use the generated build system with your compiler or IDE.
E.g., for MinGW you can run "make", or for Visual Studio, open the PCRE
solution, select the desired configuration (Debug, or Release, etc.) and
build the ALL_BUILD project.
12. If during configuration with cmake-gui you've elected to build the test
programs, you can execute them by building the test project. E.g., for
MinGW: "make test"; for Visual Studio build the RUN_TESTS project. The
most recent build configuration is targeted by the tests. A summary of
test results is presented. Complete test output is subsequently
available for review in Testing\Temporary under your build dir.
USE OF RELATIVE PATHS WITH CMAKE ON WINDOWS
A PCRE user comments as follows: I thought that others may want to know the
current state of CMAKE_USE_RELATIVE_PATHS support on Windows. Here it is:
-- AdditionalIncludeDirectories is only partially modified (only the
first path - see below)
-- Only some of the contained file paths are modified - shown below for
pcre.vcproj
-- It properly modifies
I am sure CMake people can fix that if they want to. Until then one will
need to replace existing absolute paths in project files with relative
paths manually (e.g. from VS) - relative to project file location. I did
just that before being told to try CMAKE_USE_RELATIVE_PATHS. Not a big
deal.
AdditionalIncludeDirectories="E:\builds\pcre\build;E:\builds\pcre\pcre-7.5;"
AdditionalIncludeDirectories=".;E:\builds\pcre\pcre-7.5;"
RelativePath="pcre.h"
RelativePath="pcre_chartables.c"
RelativePath="pcre_chartables.c.rule"
TESTING WITH RUNTEST.BAT
If configured with CMake, building the test project ("make test" or building
ALL_TESTS in Visual Studio) creates (and runs) pcre_test.bat (and depending
on your configuration options, possibly other test programs) in the build
directory. Pcre_test.bat runs RunTest.Bat with correct source and exe paths.
For manual testing with RunTest.bat, provided the build dir is a subdirectory
of the source directory: Open command shell window. Chdir to the location
of your pcretest.exe and pcregrep.exe programs. Call RunTest.bat with
"..\RunTest.Bat" or "..\..\RunTest.bat" as appropriate.
To run only a particular test with RunTest.Bat provide a test number argument.
Otherwise:
1. Copy RunTest.bat into the directory where pcretest.exe and pcregrep.exe
have been created.
2. Edit RunTest.bat to indentify the full or relative location of
the pcre source (wherein which the testdata folder resides), e.g.:
set srcdir=C:\pcre\pcre-8.20
3. In a Windows command environment, chdir to the location of your bat and
exe programs.
4. Run RunTest.bat. Test outputs will automatically be compared to expected
results, and discrepancies will be identified in the console output.
To independently test the just-in-time compiler, run pcre_jit_test.exe.
To test pcrecpp, run pcrecpp_unittest.exe, pcre_stringpiece_unittest.exe and
pcre_scanner_unittest.exe.
BUILDING UNDER WINDOWS CE WITH VISUAL STUDIO 200x
Vincent Richomme sent a zip archive of files to help with this process. They
can be found in the file "pcre-vsbuild.zip" in the Contrib directory of the FTP
site.
BUILDING UNDER WINDOWS WITH BCC5.5
Michael Roy sent these comments about building PCRE under Windows with BCC5.5:
Some of the core BCC libraries have a version of PCRE from 1998 built in, which
can lead to pcre_exec() giving an erroneous PCRE_ERROR_NULL from a version
mismatch. I'm including an easy workaround below, if you'd like to include it
in the non-unix instructions:
When linking a project with BCC5.5, pcre.lib must be included before any of the
libraries cw32.lib, cw32i.lib, cw32mt.lib, and cw32mti.lib on the command line.
BUILDING USING BORLAND C++ BUILDER 2007 (CB2007) AND HIGHER
A PCRE user sent these comments about this environment (see also the comment
from another user that follows them):
The XE versions of C++ Builder come with a RegularExpressionsCore class which
contain a version of TPerlRegEx. However, direct use of the C PCRE library may
be desirable.
The default makevp.bat, however, supplied with PCRE builds a version of PCRE
that is not usable with any version of C++ Builder because the compiler ships
with an embedded version of PCRE, version 2.01 from 1998! [See also the note
about BCC5.5 above.] If you want to use PCRE you'll need to rename the
functions (pcre_compile to pcre_compile_bcc, etc) or do as I have done and just
use the 16 bit versions. I'm using std::wstring everywhere anyway. Since the
embedded version of PCRE does not have the 16 bit function names, there is no
conflict.
Building PCRE using a C++ Builder static library project file (recommended):
1. Rename or remove pcre.h, pcreposi.h, and pcreposix.h from your C++ Builder
original include path.
2. Download PCRE from pcre.org and extract to a directory.
3. Rename pcre_chartables.c.dist to pcre_chartables.c, pcre.h.generic to
pcre.h, and config.h.generic to config.h.
4. Edit pcre.h and pcre_config.c so that they include config.h.
5. Edit config.h like so:
Comment out the following lines:
#define PACKAGE "pcre"
#define PACKAGE_BUGREPORT ""
#define PACKAGE_NAME "PCRE"
#define PACKAGE_STRING "PCRE 8.32"
#define PACKAGE_TARNAME "pcre"
#define PACKAGE_URL ""
#define PACKAGE_VERSION "8.32"
Add the following lines:
#ifndef SUPPORT_UTF
#define SUPPORT_UTF 100 // any value is fine
#endif
#ifndef SUPPORT_UCP
#define SUPPORT_UCP 101 // any value is fine
#endif
#ifndef SUPPORT_UCP
#define SUPPORT_PCRE16 102 // any value is fine
#endif
#ifndef SUPPORT_UTF8
#define SUPPORT_UTF8 103 // any value is fine
#endif
6. Build a C++ Builder project using the IDE. Go to File / New / Other and
choose Static Library. You can name it pcre.cbproj or whatever. Now set your
paths by going to Project / Options. Set the Include path. Do this from the
"Base" option to apply to both Release and Debug builds. Now add the following
files to the project:
pcre.h
pcre16_byte_order.c
pcre16_chartables.c
pcre16_compile.c
pcre16_config.c
pcre16_dfa_exec.c
pcre16_exec.c
pcre16_fullinfo.c
pcre16_get.c
pcre16_globals.c
pcre16_maketables.c
pcre16_newline.c
pcre16_ord2utf16.c
pcre16_printint.c
pcre16_refcount.c
pcre16_string_utils.c
pcre16_study.c
pcre16_tables.c
pcre16_ucd.c
pcre16_utf16_utils.c
pcre16_valid_utf16.c
pcre16_version.c
pcre16_xclass.c
//Optional
pcre_version.c
7. After compiling the .lib file, copy the .lib and header files to a project
you want to use PCRE with. Enjoy.
Optional ... Building PCRE using the makevp.bat file:
1. Edit makevp_c.txt and makevp_l.txt and change all the names to the 16 bit
versions.
2. Edit makevp.bat and set the path to C++ Builder. Run makevp.bat.
Another PCRE user added this comment:
Another approach I successfully used for some years with BCB 5 and 6 was to
make sure that include and library paths of PCRE are configured before the
default paths of the IDE in the dialogs where one can manage those paths.
Afterwards one can open the project files using a text editor and manually add
the self created library for pcre itself, pcrecpp doesn't ship with the IDE, in
the library nodes where the IDE manages its own libraries to link against in
front of the IDE-own libraries. This way one can use the default PCRE function
names without getting access violations on runtime.
<ALLLIB value="libpcre.lib $(LIBFILES) $(LIBRARIES) import32.lib cp32mt.lib"/>
BUILDING PCRE ON OPENVMS
Stephen Hoffman sent the following, in December 2012:
"Here <http://labs.hoffmanlabs.com/node/1847> is a very short write-up on the
OpenVMS port and here
<http://labs.hoffmanlabs.com/labsnotes/pcre-vms-8_32.zip>
is a zip with the OpenVMS files, and with one modified testing-related PCRE
file." This is a port of PCRE 8.32.
Earlier, Dan Mooney sent the following comments about building PCRE on OpenVMS.
They relate to an older version of PCRE that used fewer source files, so the
exact commands will need changing. See the current list of source files above.
"It was quite easy to compile and link the library. I don't have a formal
make file but the attached file [reproduced below] contains the OpenVMS DCL
commands I used to build the library. I had to add #define
POSIX_MALLOC_THRESHOLD 10 to pcre.h since it was not defined anywhere.
The library was built on:
O/S: HP OpenVMS v7.3-1
Compiler: Compaq C v6.5-001-48BCD
Linker: vA13-01
The test results did not match 100% due to the issues you mention in your
documentation regarding isprint(), iscntrl(), isgraph() and ispunct(). I
modified some of the character tables temporarily and was able to get the
results to match. Tests using the fr locale did not match since I don't have
that locale loaded. The study size was always reported to be 3 less than the
value in the standard test output files."
=========================
$! This DCL procedure builds PCRE on OpenVMS
$!
$! I followed the instructions in the non-unix-use file in the distribution.
$!
$ COMPILE == "CC/LIST/NOMEMBER_ALIGNMENT/PREFIX_LIBRARY_ENTRIES=ALL_ENTRIES
$ COMPILE DFTABLES.C
$ LINK/EXE=DFTABLES.EXE DFTABLES.OBJ
$ RUN DFTABLES.EXE/OUTPUT=CHARTABLES.C
$ COMPILE MAKETABLES.C
$ COMPILE GET.C
$ COMPILE STUDY.C
$! I had to set POSIX_MALLOC_THRESHOLD to 10 in PCRE.H since the symbol
$! did not seem to be defined anywhere.
$! I edited pcre.h and added #DEFINE SUPPORT_UTF8 to enable UTF8 support.
$ COMPILE PCRE.C
$ LIB/CREATE PCRE MAKETABLES.OBJ, GET.OBJ, STUDY.OBJ, PCRE.OBJ
$! I had to set POSIX_MALLOC_THRESHOLD to 10 in PCRE.H since the symbol
$! did not seem to be defined anywhere.
$ COMPILE PCREPOSIX.C
$ LIB/CREATE PCREPOSIX PCREPOSIX.OBJ
$ COMPILE PCRETEST.C
$ LINK/EXE=PCRETEST.EXE PCRETEST.OBJ, PCRE/LIB, PCREPOSIX/LIB
$! C programs that want access to command line arguments must be
$! defined as a symbol
$ PCRETEST :== "$ SYS$ROADSUSERS:[DMOONEY.REGEXP]PCRETEST.EXE"
$! Arguments must be enclosed in quotes.
$ PCRETEST "-C"
$! Test results:
$!
$! The test results did not match 100%. The functions isprint(), iscntrl(),
$! isgraph() and ispunct() on OpenVMS must not produce the same results
$! as the system that built the test output files provided with the
$! distribution.
$!
$! The study size did not match and was always 3 less on OpenVMS.
$!
$! Locale could not be set to fr
$!
=========================
BUILDING PCRE ON STRATUS OPENVOS
These notes on the port of PCRE to VOS (lightly edited) were supplied by
Ashutosh Warikoo, whose email address has the local part awarikoo and the
domain nse.co.in. The port was for version 7.9 in August 2009.
1. Building PCRE
I built pcre on OpenVOS Release 17.0.1at using GNU Tools 3.4a without any
problems. I used the following packages to build PCRE:
ftp://ftp.stratus.com/pub/vos/posix/ga/posix.save.evf.gz
Please read and follow the instructions that come with these packages. To start
the build of pcre, from the root of the package type:
./build.sh
2. Installing PCRE
Once you have successfully built PCRE, login to the SysAdmin group, switch to
the root user, and type
[ !create_dir (master_disk)>usr --if needed ]
[ !create_dir (master_disk)>usr>local --if needed ]
!gmake install
This installs PCRE and its man pages into /usr/local. You can add
(master_disk)>usr>local>bin to your command search paths, or if you are in
BASH, add /usr/local/bin to the PATH environment variable.
4. Restrictions
This port requires readline library optionally. However during the build I
faced some yet unexplored errors while linking with readline. As it was an
optional component I chose to disable it.
5. Known Problems
I ran the test suite, but you will have to be your own judge of whether this
command, and this port, suits your purposes. If you find any problems that
appear to be related to the port itself, please let me know. Please see the
build.log file in the root of the package also.
BUILDING PCRE ON NATIVE Z/OS AND Z/VM
z/OS and z/VM are operating systems for mainframe computers, produced by IBM.
The character code used is EBCDIC, not ASCII or Unicode. In z/OS, UNIX APIs and
applications can be supported through UNIX System Services, and in such an
environment PCRE can be built in the same way as in other systems. However, in
native z/OS (without UNIX System Services) and in z/VM, special ports are
required. For details, please see this web site:
http://www.zaconsultants.net
You may download PCRE from WWW.CBTTAPE.ORG, file 882.  Everything, source and
executable, is in EBCDIC and native z/OS file formats and this is the
recommended download site.
==========================
Last Updated: 25 June 2015
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Compiling PCRE on non-Unix systems
----------------------------------
This has been renamed to better reflect its contents. Please see the file
NON-AUTOTOOLS-BUILD for details of how to build PCRE without using autotools.
####

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