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-rw-r--r--builtin/grep.c2
-rw-r--r--grep.c62
-rw-r--r--grep.h1
-rw-r--r--revision.c2
4 files changed, 35 insertions, 32 deletions
diff --git a/builtin/grep.c b/builtin/grep.c
index 0d6e669732..7e79eb1a75 100644
--- a/builtin/grep.c
+++ b/builtin/grep.c
@@ -1170,8 +1170,6 @@ int cmd_grep(int argc, const char **argv, const char *prefix)
if (!opt.pattern_list)
die(_("no pattern given."));
- if (!opt.fixed && opt.ignore_case)
- opt.regflags |= REG_ICASE;
/*
* We have to find "--" in a separate pass, because its presence
diff --git a/grep.c b/grep.c
index 98733db623..2efec0e182 100644
--- a/grep.c
+++ b/grep.c
@@ -35,10 +35,8 @@ void init_grep_defaults(void)
memset(opt, 0, sizeof(*opt));
opt->relative = 1;
opt->pathname = 1;
- opt->regflags = REG_NEWLINE;
opt->max_depth = -1;
opt->pattern_type_option = GREP_PATTERN_TYPE_UNSPECIFIED;
- opt->extended_regexp_option = 0;
color_set(opt->color_context, "");
color_set(opt->color_filename, "");
color_set(opt->color_function, "");
@@ -79,10 +77,7 @@ int grep_config(const char *var, const char *value, void *cb)
return -1;
if (!strcmp(var, "grep.extendedregexp")) {
- if (git_config_bool(var, value))
- opt->extended_regexp_option = 1;
- else
- opt->extended_regexp_option = 0;
+ opt->extended_regexp_option = git_config_bool(var, value);
return 0;
}
@@ -157,7 +152,6 @@ void grep_init(struct grep_opt *opt, const char *prefix)
opt->linenum = def->linenum;
opt->max_depth = def->max_depth;
opt->pathname = def->pathname;
- opt->regflags = def->regflags;
opt->relative = def->relative;
opt->output = def->output;
@@ -173,33 +167,41 @@ void grep_init(struct grep_opt *opt, const char *prefix)
static void grep_set_pattern_type_option(enum grep_pattern_type pattern_type, struct grep_opt *opt)
{
+ /*
+ * When committing to the pattern type by setting the relevant
+ * fields in grep_opt it's generally not necessary to zero out
+ * the fields we're not choosing, since they won't have been
+ * set by anything. The extended_regexp_option field is the
+ * only exception to this.
+ *
+ * This is because in the process of parsing grep.patternType
+ * & grep.extendedRegexp we set opt->pattern_type_option and
+ * opt->extended_regexp_option, respectively. We then
+ * internally use opt->extended_regexp_option to see if we're
+ * compiling an ERE. It must be unset if that's not actually
+ * the case.
+ */
+ if (pattern_type != GREP_PATTERN_TYPE_ERE &&
+ opt->extended_regexp_option)
+ opt->extended_regexp_option = 0;
+
switch (pattern_type) {
case GREP_PATTERN_TYPE_UNSPECIFIED:
/* fall through */
case GREP_PATTERN_TYPE_BRE:
- opt->fixed = 0;
- opt->pcre1 = 0;
- opt->pcre2 = 0;
break;
case GREP_PATTERN_TYPE_ERE:
- opt->fixed = 0;
- opt->pcre1 = 0;
- opt->pcre2 = 0;
- opt->regflags |= REG_EXTENDED;
+ opt->extended_regexp_option = 1;
break;
case GREP_PATTERN_TYPE_FIXED:
opt->fixed = 1;
- opt->pcre1 = 0;
- opt->pcre2 = 0;
break;
case GREP_PATTERN_TYPE_PCRE:
- opt->fixed = 0;
#ifdef USE_LIBPCRE2
- opt->pcre1 = 0;
opt->pcre2 = 1;
#else
/*
@@ -209,7 +211,6 @@ static void grep_set_pattern_type_option(enum grep_pattern_type pattern_type, st
* "cannot use Perl-compatible regexes[...]".
*/
opt->pcre1 = 1;
- opt->pcre2 = 0;
#endif
break;
}
@@ -222,6 +223,11 @@ void grep_commit_pattern_type(enum grep_pattern_type pattern_type, struct grep_o
else if (opt->pattern_type_option != GREP_PATTERN_TYPE_UNSPECIFIED)
grep_set_pattern_type_option(opt->pattern_type_option, opt);
else if (opt->extended_regexp_option)
+ /*
+ * This branch *must* happen after setting from the
+ * opt->pattern_type_option above, we don't want
+ * grep.extendedRegexp to override grep.patternType!
+ */
grep_set_pattern_type_option(GREP_PATTERN_TYPE_ERE, opt);
}
@@ -587,7 +593,7 @@ static void compile_fixed_regexp(struct grep_pat *p, struct grep_opt *opt)
{
struct strbuf sb = STRBUF_INIT;
int err;
- int regflags = opt->regflags;
+ int regflags = 0;
basic_regex_quote_buf(&sb, p->pattern);
if (opt->ignore_case)
@@ -606,12 +612,12 @@ static void compile_fixed_regexp(struct grep_pat *p, struct grep_opt *opt)
static void compile_regexp(struct grep_pat *p, struct grep_opt *opt)
{
- int icase, ascii_only;
+ int ascii_only;
int err;
+ int regflags = REG_NEWLINE;
p->word_regexp = opt->word_regexp;
p->ignore_case = opt->ignore_case;
- icase = opt->regflags & REG_ICASE || p->ignore_case;
ascii_only = !has_non_ascii(p->pattern);
/*
@@ -629,12 +635,10 @@ static void compile_regexp(struct grep_pat *p, struct grep_opt *opt)
if (opt->fixed ||
has_null(p->pattern, p->patternlen) ||
is_fixed(p->pattern, p->patternlen))
- p->fixed = !icase || ascii_only;
- else
- p->fixed = 0;
+ p->fixed = !p->ignore_case || ascii_only;
if (p->fixed) {
- p->kws = kwsalloc(icase ? tolower_trans_tbl : NULL);
+ p->kws = kwsalloc(p->ignore_case ? tolower_trans_tbl : NULL);
kwsincr(p->kws, p->pattern, p->patternlen);
kwsprep(p->kws);
return;
@@ -658,7 +662,11 @@ static void compile_regexp(struct grep_pat *p, struct grep_opt *opt)
return;
}
- err = regcomp(&p->regexp, p->pattern, opt->regflags);
+ if (p->ignore_case)
+ regflags |= REG_ICASE;
+ if (opt->extended_regexp_option)
+ regflags |= REG_EXTENDED;
+ err = regcomp(&p->regexp, p->pattern, regflags);
if (err) {
char errbuf[1024];
regerror(err, &p->regexp, errbuf, 1024);
diff --git a/grep.h b/grep.h
index b8f93bfc2d..0c091e5104 100644
--- a/grep.h
+++ b/grep.h
@@ -162,7 +162,6 @@ struct grep_opt {
char color_match_selected[COLOR_MAXLEN];
char color_selected[COLOR_MAXLEN];
char color_sep[COLOR_MAXLEN];
- int regflags;
unsigned pre_context;
unsigned post_context;
unsigned last_shown;
diff --git a/revision.c b/revision.c
index 9ff120b305..6603af9444 100644
--- a/revision.c
+++ b/revision.c
@@ -1362,7 +1362,6 @@ void init_revisions(struct rev_info *revs, const char *prefix)
init_grep_defaults();
grep_init(&revs->grep_filter, prefix);
revs->grep_filter.status_only = 1;
- revs->grep_filter.regflags = REG_NEWLINE;
diff_setup(&revs->diffopt);
if (prefix && !revs->diffopt.prefix) {
@@ -2022,7 +2021,6 @@ static int handle_revision_opt(struct rev_info *revs, int argc, const char **arg
revs->grep_filter.pattern_type_option = GREP_PATTERN_TYPE_ERE;
} else if (!strcmp(arg, "--regexp-ignore-case") || !strcmp(arg, "-i")) {
revs->grep_filter.ignore_case = 1;
- revs->grep_filter.regflags |= REG_ICASE;
DIFF_OPT_SET(&revs->diffopt, PICKAXE_IGNORE_CASE);
} else if (!strcmp(arg, "--fixed-strings") || !strcmp(arg, "-F")) {
revs->grep_filter.pattern_type_option = GREP_PATTERN_TYPE_FIXED;
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-24 10:33:02 +0000