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port to PCRE 2

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Resolves: rhbz#1938979
This commit is contained in:
Lukáš Zaoral 2023-08-21 08:54:34 +02:00
parent 261d244007
commit 584e38d1fd
No known key found for this signature in database
GPG Key ID: 39157506DD67752D
3 changed files with 936 additions and 2 deletions
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64
0004-zsh-enable-PCRE-locale-switching.patch Normal file
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@ -0,0 +1,64 @@
From 1b421e4978440234fb73117c8505dad1ccc68d46 Mon Sep 17 00:00:00 2001
From: Jun-ichi Takimoto <takimoto-j@kba.biglobe.ne.jp>
Date: Mon, 26 Sep 2022 10:52:50 +0900
Subject: [PATCH] 50658 + test: Enable to switch between C/UTF-8 locales in
PCRE
---
Src/Modules/pcre.c | 10 ++--------
Test/V07pcre.ztst | 11 +++++++++++
2 files changed, 13 insertions(+), 8 deletions(-)
diff --git a/Src/Modules/pcre.c b/Src/Modules/pcre.c
index 6289e003e..46875a59b 100644
--- a/Src/Modules/pcre.c
+++ b/Src/Modules/pcre.c
@@ -47,8 +47,6 @@ zpcre_utf8_enabled(void)
#if defined(MULTIBYTE_SUPPORT) && defined(HAVE_NL_LANGINFO) && defined(CODESET)
static int have_utf8_pcre = -1;
- /* value can toggle based on MULTIBYTE, so don't
- * be too eager with caching */
if (have_utf8_pcre < -1)
return 0;
@@ -56,15 +54,11 @@ zpcre_utf8_enabled(void)
return 0;
if ((have_utf8_pcre == -1) &&
- (!strcmp(nl_langinfo(CODESET), "UTF-8"))) {
-
- if (pcre_config(PCRE_CONFIG_UTF8, &have_utf8_pcre))
+ (pcre_config(PCRE_CONFIG_UTF8, &have_utf8_pcre))) {
have_utf8_pcre = -2; /* erk, failed to ask */
}
- if (have_utf8_pcre < 0)
- return 0;
- return have_utf8_pcre;
+ return (have_utf8_pcre == 1) && (!strcmp(nl_langinfo(CODESET), "UTF-8"));
#else
return 0;
diff --git a/Test/V07pcre.ztst b/Test/V07pcre.ztst
index ca13419e5..22a0b64c7 100644
--- a/Test/V07pcre.ztst
+++ b/Test/V07pcre.ztst
@@ -162,3 +162,14 @@
echo $match[2] )
0:regression for segmentation fault, workers/38307
>test
+
+ LANG_SAVE=$LANG
+ [[ é =~ '^.\z' ]]; echo $?
+ LANG=C
+ [[ é =~ '^..\z' ]]; echo $?
+ LANG=$LANG_SAVE
+ [[ é =~ '^.\z' ]]; echo $?
+0:swich between C/UTF-8 locales
+>0
+>0
+>0
--
2.41.0

863
0005-zsh-port-to-pcre2.patch Normal file
View File

@ -0,0 +1,863 @@
From b62e911341c8ec7446378b477c47da4256053dc0 Mon Sep 17 00:00:00 2001
From: Oliver Kiddle <opk@zsh.org>
Date: Sat, 13 May 2023 00:53:32 +0200
Subject: [PATCH 1/3] 51723: migrate pcre module to pcre2
---
Src/Modules/pcre.c | 223 ++++++++++++++++++---------------------------
Test/V07pcre.ztst | 13 ++-
configure.ac | 20 ++--
3 files changed, 109 insertions(+), 149 deletions(-)
diff --git a/Src/Modules/pcre.c b/Src/Modules/pcre.c
index 46875a59b..079ecc2c5 100644
--- a/Src/Modules/pcre.c
+++ b/Src/Modules/pcre.c
@@ -34,11 +34,11 @@
#define CPCRE_PLAIN 0
/**/
-#if defined(HAVE_PCRE_COMPILE) && defined(HAVE_PCRE_EXEC)
-#include <pcre.h>
+#if defined(HAVE_PCRE2_COMPILE_8) && defined(HAVE_PCRE2_H)
+#define PCRE2_CODE_UNIT_WIDTH 8
+#include <pcre2.h>
-static pcre *pcre_pattern;
-static pcre_extra *pcre_hints;
+static pcre2_code *pcre_pattern;
/**/
static int
@@ -54,8 +54,8 @@ zpcre_utf8_enabled(void)
return 0;
if ((have_utf8_pcre == -1) &&
- (pcre_config(PCRE_CONFIG_UTF8, &have_utf8_pcre))) {
- have_utf8_pcre = -2; /* erk, failed to ask */
+ (pcre2_config(PCRE2_CONFIG_UNICODE, &have_utf8_pcre))) {
+ have_utf8_pcre = -2; /* erk, failed to ask */
}
return (have_utf8_pcre == 1) && (!strcmp(nl_langinfo(CODESET), "UTF-8"));
@@ -69,115 +69,87 @@ zpcre_utf8_enabled(void)
static int
bin_pcre_compile(char *nam, char **args, Options ops, UNUSED(int func))
{
- int pcre_opts = 0, pcre_errptr, target_len;
- const char *pcre_error;
+ uint32_t pcre_opts = 0;
+ int target_len;
+ int pcre_error;
+ PCRE2_SIZE pcre_offset;
char *target;
- if(OPT_ISSET(ops,'a')) pcre_opts |= PCRE_ANCHORED;
- if(OPT_ISSET(ops,'i')) pcre_opts |= PCRE_CASELESS;
- if(OPT_ISSET(ops,'m')) pcre_opts |= PCRE_MULTILINE;
- if(OPT_ISSET(ops,'x')) pcre_opts |= PCRE_EXTENDED;
- if(OPT_ISSET(ops,'s')) pcre_opts |= PCRE_DOTALL;
+ if (OPT_ISSET(ops, 'a')) pcre_opts |= PCRE2_ANCHORED;
+ if (OPT_ISSET(ops, 'i')) pcre_opts |= PCRE2_CASELESS;
+ if (OPT_ISSET(ops, 'm')) pcre_opts |= PCRE2_MULTILINE;
+ if (OPT_ISSET(ops, 'x')) pcre_opts |= PCRE2_EXTENDED;
+ if (OPT_ISSET(ops, 's')) pcre_opts |= PCRE2_DOTALL;
if (zpcre_utf8_enabled())
- pcre_opts |= PCRE_UTF8;
-
-#ifdef HAVE_PCRE_STUDY
- if (pcre_hints)
-#ifdef PCRE_CONFIG_JIT
- pcre_free_study(pcre_hints);
-#else
- pcre_free(pcre_hints);
-#endif
- pcre_hints = NULL;
-#endif
+ pcre_opts |= PCRE2_UTF;
if (pcre_pattern)
- pcre_free(pcre_pattern);
+ pcre2_code_free(pcre_pattern);
pcre_pattern = NULL;
target = ztrdup(*args);
unmetafy(target, &target_len);
- if ((int)strlen(target) != target_len) {
- zwarnnam(nam, "embedded NULs in PCRE pattern terminate pattern");
- }
-
- pcre_pattern = pcre_compile(target, pcre_opts, &pcre_error, &pcre_errptr, NULL);
+ pcre_pattern = pcre2_compile((PCRE2_SPTR) target, (PCRE2_SIZE) target_len,
+ pcre_opts, &pcre_error, &pcre_offset, NULL);
free(target);
if (pcre_pattern == NULL)
{
- zwarnnam(nam, "error in regex: %s", pcre_error);
+ PCRE2_UCHAR buffer[256];
+ pcre2_get_error_message(pcre_error, buffer, sizeof(buffer));
+ zwarnnam(nam, "error in regex: %s", buffer);
return 1;
}
return 0;
}
-/**/
-#ifdef HAVE_PCRE_STUDY
-
/**/
static int
bin_pcre_study(char *nam, UNUSED(char **args), UNUSED(Options ops), UNUSED(int func))
{
- const char *pcre_error;
-
if (pcre_pattern == NULL)
{
zwarnnam(nam, "no pattern has been compiled for study");
return 1;
}
-
- if (pcre_hints)
-#ifdef PCRE_CONFIG_JIT
- pcre_free_study(pcre_hints);
-#else
- pcre_free(pcre_hints);
-#endif
- pcre_hints = NULL;
- pcre_hints = pcre_study(pcre_pattern, 0, &pcre_error);
- if (pcre_error != NULL)
- {
- zwarnnam(nam, "error while studying regex: %s", pcre_error);
- return 1;
+ int jit = 0;
+ if (!pcre2_config(PCRE2_CONFIG_JIT, &jit) && jit) {
+ if (pcre2_jit_compile(pcre_pattern, PCRE2_JIT_COMPLETE) < 0) {
+ zwarnnam(nam, "error while studying regex");
+ return 1;
+ }
}
return 0;
}
-/**/
-#else /* !HAVE_PCRE_STUDY */
-
-# define bin_pcre_study bin_notavail
-
-/**/
-#endif /* !HAVE_PCRE_STUDY */
-
-/**/
static int
-zpcre_get_substrings(char *arg, int *ovec, int captured_count, char *matchvar,
- char *substravar, int want_offset_pair, int matchedinarr,
- int want_begin_end)
+zpcre_get_substrings(char *arg, pcre2_match_data *mdata, int captured_count,
+ char *matchvar, char *substravar, int want_offset_pair,
+ int matchedinarr, int want_begin_end)
{
- char **captures, *match_all, **matches;
+ PCRE2_SIZE *ovec;
+ char *match_all, **matches;
char offset_all[50];
int capture_start = 1;
if (matchedinarr) {
- /* bash-style captures[0] entire-matched string in the array */
+ /* bash-style ovec[0] entire-matched string in the array */
capture_start = 0;
}
- /* captures[0] will be entire matched string, [1] first substring */
- if (!pcre_get_substring_list(arg, ovec, captured_count, (const char ***)&captures)) {
- int nelem = arrlen(captures)-1;
+ /* ovec[0] will be entire matched string, [1] first substring */
+ ovec = pcre2_get_ovector_pointer(mdata);
+ if (ovec) {
+ int nelem = captured_count - 1;
/* Set to the offsets of the complete match */
if (want_offset_pair) {
- sprintf(offset_all, "%d %d", ovec[0], ovec[1]);
+ sprintf(offset_all, "%ld %ld", ovec[0], ovec[1]);
setsparam("ZPCRE_OP", ztrdup(offset_all));
}
/*
@@ -186,7 +158,7 @@ zpcre_get_substrings(char *arg, int *ovec, int captured_count, char *matchvar,
* ovec is length 2*(1+capture_list_length)
*/
if (matchvar) {
- match_all = metafy(captures[0], ovec[1] - ovec[0], META_DUP);
+ match_all = metafy(arg + ovec[0], ovec[1] - ovec[0], META_DUP);
setsparam(matchvar, match_all);
}
/*
@@ -201,16 +173,12 @@ zpcre_get_substrings(char *arg, int *ovec, int captured_count, char *matchvar,
*/
if (substravar &&
(!want_begin_end || nelem)) {
- char **x, **y;
+ char **x;
int vec_off, i;
- y = &captures[capture_start];
matches = x = (char **) zalloc(sizeof(char *) * (captured_count+1-capture_start));
- for (i = capture_start; i < captured_count; i++, y++) {
+ for (i = capture_start; i < captured_count; i++) {
vec_off = 2*i;
- if (*y)
- *x++ = metafy(*y, ovec[vec_off+1]-ovec[vec_off], META_DUP);
- else
- *x++ = NULL;
+ *x++ = metafy(arg + ovec[vec_off], ovec[vec_off+1]-ovec[vec_off], META_DUP);
}
*x = NULL;
setaparam(substravar, matches);
@@ -247,7 +215,8 @@ zpcre_get_substrings(char *arg, int *ovec, int captured_count, char *matchvar,
setiparam("MEND", offs + !isset(KSHARRAYS) - 1);
if (nelem) {
char **mbegin, **mend, **bptr, **eptr;
- int i, *ipair;
+ int i;
+ size_t *ipair;
bptr = mbegin = zalloc(sizeof(char*)*(nelem+1));
eptr = mend = zalloc(sizeof(char*)*(nelem+1));
@@ -287,8 +256,6 @@ zpcre_get_substrings(char *arg, int *ovec, int captured_count, char *matchvar,
setaparam("mend", mend);
}
}
-
- pcre_free_substring_list((const char **)captures);
}
return 0;
@@ -314,7 +281,8 @@ getposint(char *instr, char *nam)
static int
bin_pcre_match(char *nam, char **args, Options ops, UNUSED(int func))
{
- int ret, capcount, *ovec, ovecsize, c;
+ int ret, c;
+ pcre2_match_data *pcre_mdata = NULL;
char *matched_portion = NULL;
char *plaintext = NULL;
char *receptacle = NULL;
@@ -344,36 +312,30 @@ bin_pcre_match(char *nam, char **args, Options ops, UNUSED(int func))
/* For the entire match, 'Return' the offset byte positions instead of the matched string */
if(OPT_ISSET(ops,'b')) want_offset_pair = 1;
- if ((ret = pcre_fullinfo(pcre_pattern, pcre_hints, PCRE_INFO_CAPTURECOUNT, &capcount)))
- {
- zwarnnam(nam, "error %d in fullinfo", ret);
- return 1;
- }
-
- ovecsize = (capcount+1)*3;
- ovec = zalloc(ovecsize*sizeof(int));
-
plaintext = ztrdup(*args);
unmetafy(plaintext, &subject_len);
if (offset_start > 0 && offset_start >= subject_len)
- ret = PCRE_ERROR_NOMATCH;
- else
- ret = pcre_exec(pcre_pattern, pcre_hints, plaintext, subject_len, offset_start, 0, ovec, ovecsize);
+ ret = PCRE2_ERROR_NOMATCH;
+ else {
+ pcre_mdata = pcre2_match_data_create_from_pattern(pcre_pattern, NULL);
+ ret = pcre2_match(pcre_pattern, (PCRE2_SPTR) plaintext, subject_len,
+ offset_start, 0, pcre_mdata, NULL);
+ }
if (ret==0) return_value = 0;
- else if (ret==PCRE_ERROR_NOMATCH) /* no match */;
+ else if (ret == PCRE2_ERROR_NOMATCH) /* no match */;
else if (ret>0) {
- zpcre_get_substrings(plaintext, ovec, ret, matched_portion, receptacle,
+ zpcre_get_substrings(plaintext, pcre_mdata, ret, matched_portion, receptacle,
want_offset_pair, 0, 0);
return_value = 0;
}
else {
- zwarnnam(nam, "error in pcre_exec [%d]", ret);
+ zwarnnam(nam, "error in pcre2_match [%d]", ret);
}
- if (ovec)
- zfree(ovec, ovecsize*sizeof(int));
+ if (pcre_mdata)
+ pcre2_match_data_free(pcre_mdata);
zsfree(plaintext);
return return_value;
@@ -383,17 +345,19 @@ bin_pcre_match(char *nam, char **args, Options ops, UNUSED(int func))
static int
cond_pcre_match(char **a, int id)
{
- pcre *pcre_pat;
- const char *pcre_err;
+ pcre2_code *pcre_pat = NULL;
+ int pcre_err;
+ PCRE2_SIZE pcre_erroff;
char *lhstr, *rhre, *lhstr_plain, *rhre_plain, *avar, *svar;
- int r = 0, pcre_opts = 0, pcre_errptr, capcnt, *ov, ovsize;
+ int r = 0, pcre_opts = 0;
+ pcre2_match_data *pcre_mdata = NULL;
int lhstr_plain_len, rhre_plain_len;
int return_value = 0;
if (zpcre_utf8_enabled())
- pcre_opts |= PCRE_UTF8;
+ pcre_opts |= PCRE2_UTF;
if (isset(REMATCHPCRE) && !isset(CASEMATCH))
- pcre_opts |= PCRE_CASELESS;
+ pcre_opts |= PCRE2_CASELESS;
lhstr = cond_str(a,0,0);
rhre = cond_str(a,1,0);
@@ -401,9 +365,6 @@ cond_pcre_match(char **a, int id)
rhre_plain = ztrdup(rhre);
unmetafy(lhstr_plain, &lhstr_plain_len);
unmetafy(rhre_plain, &rhre_plain_len);
- pcre_pat = NULL;
- ov = NULL;
- ovsize = 0;
if (isset(BASHREMATCH)) {
svar = NULL;
@@ -415,27 +376,27 @@ cond_pcre_match(char **a, int id)
switch(id) {
case CPCRE_PLAIN:
- if ((int)strlen(rhre_plain) != rhre_plain_len) {
- zwarn("embedded NULs in PCRE pattern terminate pattern");
- }
- pcre_pat = pcre_compile(rhre_plain, pcre_opts, &pcre_err, &pcre_errptr, NULL);
- if (pcre_pat == NULL) {
- zwarn("failed to compile regexp /%s/: %s", rhre, pcre_err);
+ if (!(pcre_pat = pcre2_compile((PCRE2_SPTR) rhre_plain,
+ (PCRE2_SIZE) rhre_plain_len, pcre_opts,
+ &pcre_err, &pcre_erroff, NULL)))
+ {
+ PCRE2_UCHAR buffer[256];
+ pcre2_get_error_message(pcre_err, buffer, sizeof(buffer));
+ zwarn("failed to compile regexp /%s/: %s", rhre, buffer);
break;
}
- pcre_fullinfo(pcre_pat, NULL, PCRE_INFO_CAPTURECOUNT, &capcnt);
- ovsize = (capcnt+1)*3;
- ov = zalloc(ovsize*sizeof(int));
- r = pcre_exec(pcre_pat, NULL, lhstr_plain, lhstr_plain_len, 0, 0, ov, ovsize);
- /* r < 0 => error; r==0 match but not enough size in ov
+ pcre_mdata = pcre2_match_data_create_from_pattern(pcre_pat, NULL);
+ r = pcre2_match(pcre_pat, (PCRE2_SPTR8) lhstr_plain, lhstr_plain_len,
+ 0, 0, pcre_mdata, NULL);
+ /* r < 0 => error; r==0 match but not enough size in match data
* r > 0 => (r-1) substrings found; r==1 => no substrings
*/
if (r==0) {
- zwarn("reportable zsh problem: pcre_exec() returned 0");
+ zwarn("reportable zsh problem: pcre2_match() returned 0");
return_value = 1;
break;
}
- else if (r==PCRE_ERROR_NOMATCH) {
+ else if (r == PCRE2_ERROR_NOMATCH) {
return_value = 0; /* no match */
break;
}
@@ -444,7 +405,7 @@ cond_pcre_match(char **a, int id)
break;
}
else if (r>0) {
- zpcre_get_substrings(lhstr_plain, ov, r, svar, avar, 0,
+ zpcre_get_substrings(lhstr_plain, pcre_mdata, r, svar, avar, 0,
isset(BASHREMATCH),
!isset(BASHREMATCH));
return_value = 1;
@@ -457,10 +418,10 @@ cond_pcre_match(char **a, int id)
free(lhstr_plain);
if(rhre_plain)
free(rhre_plain);
+ if (pcre_mdata)
+ pcre2_match_data_free(pcre_mdata);
if (pcre_pat)
- pcre_free(pcre_pat);
- if (ov)
- zfree(ov, ovsize*sizeof(int));
+ pcre2_code_free(pcre_pat);
return return_value;
}
@@ -489,11 +450,11 @@ static struct builtin bintab[] = {
static struct features module_features = {
bintab, sizeof(bintab)/sizeof(*bintab),
-#if defined(HAVE_PCRE_COMPILE) && defined(HAVE_PCRE_EXEC)
+#if defined(HAVE_PCRE2_COMPILE_8) && defined(HAVE_PCRE2_H)
cotab, sizeof(cotab)/sizeof(*cotab),
-#else /* !(HAVE_PCRE_COMPILE && HAVE_PCRE_EXEC) */
+#else /* !(HAVE_PCRE2_COMPILE_8 && HAVE_PCRE2_H) */
NULL, 0,
-#endif /* !(HAVE_PCRE_COMPILE && HAVE_PCRE_EXEC) */
+#endif /* !(HAVE_PCRE2_COMPILE_8 && HAVE_PCRE2_H) */
NULL, 0,
NULL, 0,
0
@@ -540,19 +501,9 @@ cleanup_(Module m)
int
finish_(UNUSED(Module m))
{
-#if defined(HAVE_PCRE_COMPILE) && defined(HAVE_PCRE_EXEC)
-#ifdef HAVE_PCRE_STUDY
- if (pcre_hints)
-#ifdef PCRE_CONFIG_JIT
- pcre_free_study(pcre_hints);
-#else
- pcre_free(pcre_hints);
-#endif
- pcre_hints = NULL;
-#endif
-
+#if defined(HAVE_PCRE2_COMPILE_8) && defined(HAVE_PCRE2_H)
if (pcre_pattern)
- pcre_free(pcre_pattern);
+ pcre2_code_free(pcre_pattern);
pcre_pattern = NULL;
#endif
diff --git a/Test/V07pcre.ztst b/Test/V07pcre.ztst
index 22a0b64c7..6eb366964 100644
--- a/Test/V07pcre.ztst
+++ b/Test/V07pcre.ztst
@@ -117,12 +117,17 @@
>78884; ZPCRE_OP: 25 30
>90210; ZPCRE_OP: 31 36
-# Embedded NULs allowed in plaintext, but not in RE (although \0 as two-chars allowed)
+# Embedded NULs allowed in plaintext, in RE, pcre supports \0 as two-chars
[[ $'a\0bc\0d' =~ '^(a\0.)(.+)$' ]]
print "${#MATCH}; ${#match[1]}; ${#match[2]}"
0:ensure ASCII NUL passes in and out of matched plaintext
>6; 3; 3
+# PCRE2 supports NULs also in the RE
+ [[ $'a\0b\0c' =~ $'^(.\0)+' ]] && print "${#MATCH}; ${#match[1]}"
+0:ensure ASCII NUL works also in the regex
+>4; 2
+
# Ensure the long-form infix operator works
[[ foo -pcre-match ^f..$ ]]
print $?
@@ -169,7 +174,11 @@
[[ é =~ '^..\z' ]]; echo $?
LANG=$LANG_SAVE
[[ é =~ '^.\z' ]]; echo $?
-0:swich between C/UTF-8 locales
+0:switch between C/UTF-8 locales
>0
>0
>0
+
+ [[ abc =~ 'a(d*)bc' ]] && print "$#MATCH; $#match; ${#match[1]}"
+0:empty capture
+>3; 1; 0
diff --git a/configure.ac b/configure.ac
index d8a17791a..4710d1659 100644
--- a/configure.ac
+++ b/configure.ac
@@ -438,7 +438,7 @@ fi],
dnl Do you want to look for pcre support?
AC_ARG_ENABLE(pcre,
-AS_HELP_STRING([--enable-pcre],[enable the search for the pcre library (may create run-time library dependencies)]))
+AS_HELP_STRING([--enable-pcre],[enable the search for the pcre2 library (may create run-time library dependencies)]))
dnl Do you want to look for capability support?
AC_ARG_ENABLE(cap,
@@ -652,13 +652,12 @@ AC_HEADER_SYS_WAIT
oldcflags="$CFLAGS"
if test x$enable_pcre = xyes; then
-AC_CHECK_PROG([PCRECONF], pcre-config, pcre-config)
-dnl Typically (meaning on this single RedHat 9 box in front of me)
-dnl pcre-config --cflags produces a -I output which needs to go into
+AC_CHECK_PROG([PCRECONF], pcre2-config, pcre2-config)
+dnl pcre2-config --cflags may produce a -I output which needs to go into
dnl CPPFLAGS else configure's preprocessor tests don't pick it up,
dnl producing a warning.
-if test "x$ac_cv_prog_PCRECONF" = xpcre-config; then
- CPPFLAGS="$CPPFLAGS `pcre-config --cflags`"
+if test "x$ac_cv_prog_PCRECONF" = xpcre2-config; then
+ CPPFLAGS="$CPPFLAGS `pcre2-config --cflags`"
fi
fi
@@ -668,9 +667,10 @@ AC_CHECK_HEADERS(sys/time.h sys/times.h sys/select.h termcap.h termio.h \
locale.h errno.h stdio.h stdarg.h varargs.h stdlib.h \
unistd.h sys/capability.h \
utmp.h utmpx.h sys/types.h pwd.h grp.h poll.h sys/mman.h \
- netinet/in_systm.h pcre.h langinfo.h wchar.h stddef.h \
+ netinet/in_systm.h langinfo.h wchar.h stddef.h \
sys/stropts.h iconv.h ncurses.h ncursesw/ncurses.h \
ncurses/ncurses.h)
+AC_CHECK_HEADERS([pcre2.h],,,[#define PCRE2_CODE_UNIT_WIDTH 8])
if test x$dynamic = xyes; then
AC_CHECK_HEADERS(dlfcn.h)
AC_CHECK_HEADERS(dl.h)
@@ -948,9 +948,7 @@ if test "x$ac_found_iconv" = "xyes"; then
fi
if test x$enable_pcre = xyes; then
-dnl pcre-config should probably be employed here
-dnl AC_SEARCH_LIBS(pcre_compile, pcre)
- LIBS="`$ac_cv_prog_PCRECONF --libs` $LIBS"
+ LIBS="`$ac_cv_prog_PCRECONF --libs8` $LIBS"
fi
dnl ---------------------
@@ -1313,7 +1311,7 @@ AC_CHECK_FUNCS(strftime strptime mktime timelocal \
pathconf sysconf \
tgetent tigetflag tigetnum tigetstr setupterm initscr resize_term \
getcchar setcchar waddwstr wget_wch win_wch use_default_colors \
- pcre_compile pcre_study pcre_exec \
+ pcre2_compile_8 \
nl_langinfo \
erand48 open_memstream \
posix_openpt \
--
2.41.0
From f3f371deb376478176866fd770fbcf9bc0d0609f Mon Sep 17 00:00:00 2001
From: Oliver Kiddle <opk@zsh.org>
Date: Sat, 13 May 2023 00:56:48 +0200
Subject: [PATCH 2/3] 51728: assign pcre named capture groups to a hash
---
Doc/Zsh/mod_pcre.yo | 10 ++++++----
Src/Modules/pcre.c | 43 +++++++++++++++++++++++++++++++++----------
Test/V07pcre.ztst | 14 ++++++++++++++
3 files changed, 53 insertions(+), 14 deletions(-)
diff --git a/Doc/Zsh/mod_pcre.yo b/Doc/Zsh/mod_pcre.yo
index c2817f519..6d073985d 100644
--- a/Doc/Zsh/mod_pcre.yo
+++ b/Doc/Zsh/mod_pcre.yo
@@ -20,12 +20,12 @@ including those that indicate newline.
)
findex(pcre_study)
item(tt(pcre_study))(
-Studies the previously-compiled PCRE which may result in faster
-matching.
+Requests JIT compilation for the previously-compiled PCRE which
+may result in faster matching.
)
findex(pcre_match)
item(tt(pcre_match) [ tt(-v) var(var) ] [ tt(-a) var(arr) ] \
-[ tt(-n) var(offset) ] [ tt(-b) ] var(string))(
+[ tt(-A) var(assoc) ] [ tt(-n) var(offset) ] [ tt(-b) ] var(string))(
Returns successfully if tt(string) matches the previously-compiled
PCRE.
@@ -36,7 +36,9 @@ substrings, unless the tt(-a) option is given, in which
case it will set the array var(arr). Similarly, the variable
tt(MATCH) will be set to the entire matched portion of the
string, unless the tt(-v) option is given, in which case the variable
-var(var) will be set.
+var(var) will be set. Furthermore, any named captures will
+be stored in the associative array tt(.pcre.match) unless an
+alternative is given with tt(-A).
No variables are altered if there is no successful match.
A tt(-n) option starts searching for a match from the
byte var(offset) position in var(string). If the tt(-b) option is given,
diff --git a/Src/Modules/pcre.c b/Src/Modules/pcre.c
index 079ecc2c5..6be1f76e2 100644
--- a/Src/Modules/pcre.c
+++ b/Src/Modules/pcre.c
@@ -129,14 +129,17 @@ bin_pcre_study(char *nam, UNUSED(char **args), UNUSED(Options ops), UNUSED(int f
}
static int
-zpcre_get_substrings(char *arg, pcre2_match_data *mdata, int captured_count,
- char *matchvar, char *substravar, int want_offset_pair,
- int matchedinarr, int want_begin_end)
+zpcre_get_substrings(pcre2_code *pat, char *arg, pcre2_match_data *mdata,
+ int captured_count, char *matchvar, char *substravar, char *namedassoc,
+ int want_offset_pair, int matchedinarr, int want_begin_end)
{
PCRE2_SIZE *ovec;
char *match_all, **matches;
char offset_all[50];
int capture_start = 1;
+ int vec_off;
+ PCRE2_SPTR ntable; /* table of named captures */
+ uint32_t ncount, nsize;
if (matchedinarr) {
/* bash-style ovec[0] entire-matched string in the array */
@@ -174,7 +177,7 @@ zpcre_get_substrings(char *arg, pcre2_match_data *mdata, int captured_count,
if (substravar &&
(!want_begin_end || nelem)) {
char **x;
- int vec_off, i;
+ int i;
matches = x = (char **) zalloc(sizeof(char *) * (captured_count+1-capture_start));
for (i = capture_start; i < captured_count; i++) {
vec_off = 2*i;
@@ -184,6 +187,23 @@ zpcre_get_substrings(char *arg, pcre2_match_data *mdata, int captured_count,
setaparam(substravar, matches);
}
+ if (!pcre2_pattern_info(pat, PCRE2_INFO_NAMECOUNT, &ncount) && ncount
+ && !pcre2_pattern_info(pat, PCRE2_INFO_NAMEENTRYSIZE, &nsize)
+ && !pcre2_pattern_info(pat, PCRE2_INFO_NAMETABLE, &ntable))
+ {
+ char **hash, **hashptr;
+ uint32_t nidx;
+ hashptr = hash = (char **)zshcalloc((ncount+1)*2*sizeof(char *));
+ for (nidx = 0; nidx < ncount; nidx++) {
+ vec_off = (ntable[nsize * nidx] << 9) + 2 * ntable[nsize * nidx + 1];
+ /* would metafy the key but pcre limits characters in the name */
+ *hashptr++ = ztrdup((char *) ntable + nsize * nidx + 2);
+ *hashptr++ = metafy(arg + ovec[vec_off],
+ ovec[vec_off+1]-ovec[vec_off], META_DUP);
+ }
+ sethparam(namedassoc, hash);
+ }
+
if (want_begin_end) {
/*
* cond-infix rather than builtin; also not bash; so we set a bunch
@@ -286,6 +306,7 @@ bin_pcre_match(char *nam, char **args, Options ops, UNUSED(int func))
char *matched_portion = NULL;
char *plaintext = NULL;
char *receptacle = NULL;
+ char *named = ".pcre.match";
int return_value = 1;
/* The subject length and offset start are both int values in pcre_exec */
int subject_len;
@@ -305,6 +326,9 @@ bin_pcre_match(char *nam, char **args, Options ops, UNUSED(int func))
if(OPT_HASARG(ops,c='v')) {
matched_portion = OPT_ARG(ops,c);
}
+ if (OPT_HASARG(ops, c='A')) {
+ named = OPT_ARG(ops, c);
+ }
if(OPT_HASARG(ops,c='n')) { /* The offset position to start the search, in bytes. */
if ((offset_start = getposint(OPT_ARG(ops,c), nam)) < 0)
return 1;
@@ -326,8 +350,8 @@ bin_pcre_match(char *nam, char **args, Options ops, UNUSED(int func))
if (ret==0) return_value = 0;
else if (ret == PCRE2_ERROR_NOMATCH) /* no match */;
else if (ret>0) {
- zpcre_get_substrings(plaintext, pcre_mdata, ret, matched_portion, receptacle,
- want_offset_pair, 0, 0);
+ zpcre_get_substrings(pcre_pattern, plaintext, pcre_mdata, ret, matched_portion,
+ receptacle, named, want_offset_pair, 0, 0);
return_value = 0;
}
else {
@@ -405,9 +429,8 @@ cond_pcre_match(char **a, int id)
break;
}
else if (r>0) {
- zpcre_get_substrings(lhstr_plain, pcre_mdata, r, svar, avar, 0,
- isset(BASHREMATCH),
- !isset(BASHREMATCH));
+ zpcre_get_substrings(pcre_pat, lhstr_plain, pcre_mdata, r, svar, avar,
+ ".pcre.match", 0, isset(BASHREMATCH), !isset(BASHREMATCH));
return_value = 1;
break;
}
@@ -443,7 +466,7 @@ static struct conddef cotab[] = {
static struct builtin bintab[] = {
BUILTIN("pcre_compile", 0, bin_pcre_compile, 1, 1, 0, "aimxs", NULL),
- BUILTIN("pcre_match", 0, bin_pcre_match, 1, 1, 0, "a:v:n:b", NULL),
+ BUILTIN("pcre_match", 0, bin_pcre_match, 1, 1, 0, "A:a:v:n:b", NULL),
BUILTIN("pcre_study", 0, bin_pcre_study, 0, 0, 0, NULL, NULL)
};
diff --git a/Test/V07pcre.ztst b/Test/V07pcre.ztst
index 6eb366964..027fea3aa 100644
--- a/Test/V07pcre.ztst
+++ b/Test/V07pcre.ztst
@@ -182,3 +182,17 @@
[[ abc =~ 'a(d*)bc' ]] && print "$#MATCH; $#match; ${#match[1]}"
0:empty capture
>3; 1; 0
+
+ [[ category/name-12345 =~ '(?x)^
+ (?<category> [^/]* ) /
+ (?<package>
+ (?<name> \w+ ) -
+ (?<version> \d+ ))$' ]]
+ typeset -p1 .pcre.match
+0:named captures
+>typeset -g -A .pcre.match=(
+> [category]=category
+> [name]=name
+> [package]=name-12345
+> [version]=12345
+>)
--
2.41.0
From b4d1c756f50909b4a13e5c8fe5f26f71e9d54f63 Mon Sep 17 00:00:00 2001
From: Oliver Kiddle <opk@zsh.org>
Date: Sat, 13 May 2023 00:59:00 +0200
Subject: [PATCH 3/3] 51738: support pcre's alternative DFA matching algorithm
---
Doc/Zsh/mod_pcre.yo | 6 ++++-
Src/Modules/pcre.c | 53 ++++++++++++++++++++++++++++++---------------
Test/V07pcre.ztst | 5 +++++
3 files changed, 46 insertions(+), 18 deletions(-)
diff --git a/Doc/Zsh/mod_pcre.yo b/Doc/Zsh/mod_pcre.yo
index 6d073985d..da73ac85a 100644
--- a/Doc/Zsh/mod_pcre.yo
+++ b/Doc/Zsh/mod_pcre.yo
@@ -25,7 +25,7 @@ may result in faster matching.
)
findex(pcre_match)
item(tt(pcre_match) [ tt(-v) var(var) ] [ tt(-a) var(arr) ] \
-[ tt(-A) var(assoc) ] [ tt(-n) var(offset) ] [ tt(-b) ] var(string))(
+[ tt(-A) var(assoc) ] [ tt(-n) var(offset) ] [ tt(-bd) ] var(string))(
Returns successfully if tt(string) matches the previously-compiled
PCRE.
@@ -69,6 +69,10 @@ print -l $accum)
)
enditem()
+The option tt(-d) uses the alternative breadth-first DFA search algorithm of
+pcre. This sets tt(match), or the array given with tt(-a), to all the matches
+found from the same start point in the subject.
+
The tt(zsh/pcre) module makes available the following test condition:
startitem()
diff --git a/Src/Modules/pcre.c b/Src/Modules/pcre.c
index 6be1f76e2..96f3c6e65 100644
--- a/Src/Modules/pcre.c
+++ b/Src/Modules/pcre.c
@@ -305,30 +305,29 @@ bin_pcre_match(char *nam, char **args, Options ops, UNUSED(int func))
pcre2_match_data *pcre_mdata = NULL;
char *matched_portion = NULL;
char *plaintext = NULL;
- char *receptacle = NULL;
- char *named = ".pcre.match";
+ char *receptacle;
+ char *named = NULL;
int return_value = 1;
/* The subject length and offset start are both int values in pcre_exec */
int subject_len;
int offset_start = 0;
int want_offset_pair = 0;
+ int use_dfa = 0;
if (pcre_pattern == NULL) {
zwarnnam(nam, "no pattern has been compiled");
return 1;
}
- matched_portion = "MATCH";
- receptacle = "match";
- if(OPT_HASARG(ops,c='a')) {
- receptacle = OPT_ARG(ops,c);
- }
- if(OPT_HASARG(ops,c='v')) {
- matched_portion = OPT_ARG(ops,c);
- }
- if (OPT_HASARG(ops, c='A')) {
- named = OPT_ARG(ops, c);
+ if (!(use_dfa = OPT_ISSET(ops, 'd'))) {
+ matched_portion = OPT_HASARG(ops, c='v') ? OPT_ARG(ops, c) : "MATCH";
+ named = OPT_HASARG(ops, c='A') ? OPT_ARG(ops, c) : ".pcre.match";
+ } else if (OPT_HASARG(ops, c='v') || OPT_HASARG(ops, c='A')) {
+ zwarnnam(nam, "-d cannot be combined with -%c", c);
+ return 1;
}
+ receptacle = OPT_HASARG(ops, 'a') ? OPT_ARG(ops, 'a') : "match";
+
if(OPT_HASARG(ops,c='n')) { /* The offset position to start the search, in bytes. */
if ((offset_start = getposint(OPT_ARG(ops,c), nam)) < 0)
return 1;
@@ -341,7 +340,25 @@ bin_pcre_match(char *nam, char **args, Options ops, UNUSED(int func))
if (offset_start > 0 && offset_start >= subject_len)
ret = PCRE2_ERROR_NOMATCH;
- else {
+ else if (use_dfa) {
+ PCRE2_SIZE old, wscount = 128, capcount = 128;
+ void *workspace = zhalloc(sizeof(int) * wscount);
+ pcre_mdata = pcre2_match_data_create(capcount, NULL);
+ do {
+ ret = pcre2_dfa_match(pcre_pattern, (PCRE2_SPTR) plaintext, subject_len,
+ offset_start, 0, pcre_mdata, NULL, (int *) workspace, wscount);
+ if (ret == PCRE2_ERROR_DFA_WSSIZE) {
+ old = wscount;
+ wscount += wscount / 2;
+ workspace = hrealloc(workspace, sizeof(int) * old, sizeof(int) * wscount);
+ } else if (ret == 0) {
+ capcount += capcount / 2;
+ pcre2_match_data_free(pcre_mdata);
+ pcre_mdata = pcre2_match_data_create(capcount, NULL);
+ } else
+ break;
+ } while(1);
+ } else {
pcre_mdata = pcre2_match_data_create_from_pattern(pcre_pattern, NULL);
ret = pcre2_match(pcre_pattern, (PCRE2_SPTR) plaintext, subject_len,
offset_start, 0, pcre_mdata, NULL);
@@ -350,12 +367,14 @@ bin_pcre_match(char *nam, char **args, Options ops, UNUSED(int func))
if (ret==0) return_value = 0;
else if (ret == PCRE2_ERROR_NOMATCH) /* no match */;
else if (ret>0) {
- zpcre_get_substrings(pcre_pattern, plaintext, pcre_mdata, ret, matched_portion,
- receptacle, named, want_offset_pair, 0, 0);
+ zpcre_get_substrings(pcre_pattern, plaintext, pcre_mdata, ret,
+ matched_portion, receptacle, named, want_offset_pair, use_dfa, 0);
return_value = 0;
}
else {
- zwarnnam(nam, "error in pcre2_match [%d]", ret);
+ PCRE2_UCHAR buffer[256];
+ pcre2_get_error_message(ret, buffer, sizeof(buffer));
+ zwarnnam(nam, "error in pcre matching for /%s/: %s", plaintext, buffer);
}
if (pcre_mdata)
@@ -466,7 +485,7 @@ static struct conddef cotab[] = {
static struct builtin bintab[] = {
BUILTIN("pcre_compile", 0, bin_pcre_compile, 1, 1, 0, "aimxs", NULL),
- BUILTIN("pcre_match", 0, bin_pcre_match, 1, 1, 0, "A:a:v:n:b", NULL),
+ BUILTIN("pcre_match", 0, bin_pcre_match, 1, 1, 0, "A:a:v:n:bd", NULL),
BUILTIN("pcre_study", 0, bin_pcre_study, 0, 0, 0, NULL, NULL)
};
diff --git a/Test/V07pcre.ztst b/Test/V07pcre.ztst
index 027fea3aa..585698d05 100644
--- a/Test/V07pcre.ztst
+++ b/Test/V07pcre.ztst
@@ -196,3 +196,8 @@
> [package]=name-12345
> [version]=12345
>)
+
+ pcre_compile 'cat(er(pillar)?)?'
+ pcre_match -d 'the caterpillar catchment' && print $match
+0:pcre_match -d
+>caterpillar cater cat
--
2.41.0

11
zsh.spec
View File

@ -1,7 +1,7 @@
Summary: Powerful interactive shell
Name: zsh
Version: 5.9
Release: 8%{?dist}
Release: 9%{?dist}
License: MIT-Modern-Variant AND ISC AND GPL-2.0-only
URL: http://zsh.sourceforge.net/
Source0: https://downloads.sourceforge.net/%{name}/%{name}-%{version}.tar.xz
@ -19,6 +19,10 @@ Patch1: 0001-zsh-5.9-do-not-use-egrep-in-tests.patch
Patch2: 0002-zsh-Use-int-main-in-test-c-codes.patch
# upstream commit a84fdd7c8f77935ecce99ff2b0bdba738821ed79
Patch3: 0003-zsh-fix-module-loading-problem-with-full-RELRO.patch
# upstream commit 1b421e4978440234fb73117c8505dad1ccc68d46
Patch4: 0004-zsh-enable-PCRE-locale-switching.patch
# upstream commits b62e911341c8ec7446378b477c47da4256053dc0...b4d1c756f50909b4a13e5c8fe5f26f71e9d54f63
Patch5: 0005-zsh-port-to-pcre2.patch
BuildRequires: autoconf
BuildRequires: coreutils
@ -29,7 +33,7 @@ BuildRequires: glibc-langpack-ja
BuildRequires: libcap-devel
BuildRequires: make
BuildRequires: ncurses-devel
BuildRequires: pcre-devel
BuildRequires: pcre2-devel
BuildRequires: sed
BuildRequires: texi2html
BuildRequires: texinfo
@ -164,6 +168,9 @@ fi
%doc Doc/*.html
%changelog
* Mon Aug 21 2023 Lukáš Zaoral <lzaoral@redhat.com> - 5.9-9
- port to PCRE 2 (rhbz#1938979)
* Sat Jul 22 2023 Fedora Release Engineering <releng@fedoraproject.org> - 5.9-8
- Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild