From: Brandon Casey Date: Thu, 18 Sep 2008 22:42:48 +0000 (-0500) Subject: diff.c: associate a flag with each pattern and use it for compiling regex X-Git-Tag: v1.6.0.3~52^2~4 X-Git-Url: https://git.tokkee.org/?a=commitdiff_plain;h=a013585b20ac757b0e75a72181ffa44674f35235;p=git.git diff.c: associate a flag with each pattern and use it for compiling regex This is in preparation for allowing extended regular expression patterns. Signed-off-by: Brandon Casey Signed-off-by: Junio C Hamano --- diff --git a/diff.c b/diff.c index 406a76a20..6881cf4ef 100644 --- a/diff.c +++ b/diff.c @@ -97,13 +97,14 @@ static int parse_lldiff_command(const char *var, const char *ep, const char *val struct funcname_pattern_entry { char *name; char *pattern; + int cflags; }; static struct funcname_pattern_list { struct funcname_pattern_list *next; struct funcname_pattern_entry e; } *funcname_pattern_list; -static int parse_funcname_pattern(const char *var, const char *ep, const char *value) +static int parse_funcname_pattern(const char *var, const char *ep, const char *value, int cflags) { const char *name; int namelen; @@ -123,6 +124,7 @@ static int parse_funcname_pattern(const char *var, const char *ep, const char *v } free(pp->e.pattern); pp->e.pattern = xstrdup(value); + pp->e.cflags = cflags; return 0; } @@ -185,7 +187,8 @@ int git_diff_basic_config(const char *var, const char *value, void *cb) if (!strcmp(ep, ".funcname")) { if (!value) return config_error_nonbool(var); - return parse_funcname_pattern(var, ep, value); + return parse_funcname_pattern(var, ep, value, + 0); } } } @@ -1395,16 +1398,16 @@ static const struct funcname_pattern_entry builtin_funcname_pattern[] = { "new\\|return\\|switch\\|throw\\|while\\)\n" "^[ ]*\\(\\([ ]*" "[A-Za-z_][A-Za-z_0-9]*\\)\\{2,\\}" - "[ ]*([^;]*\\)$" }, + "[ ]*([^;]*\\)$", 0 }, { "pascal", "^\\(\\(procedure\\|function\\|constructor\\|" "destructor\\|interface\\|implementation\\|" "initialization\\|finalization\\)[ \t]*.*\\)$" "\\|" - "^\\(.*=[ \t]*\\(class\\|record\\).*\\)$" - }, - { "bibtex", "\\(@[a-zA-Z]\\{1,\\}[ \t]*{\\{0,1\\}[ \t]*[^ \t\"@',\\#}{~%]*\\).*$" }, - { "tex", "^\\(\\\\\\(\\(sub\\)*section\\|chapter\\|part\\)\\*\\{0,1\\}{.*\\)$" }, - { "ruby", "^\\s*\\(\\(class\\|module\\|def\\)\\s.*\\)$" }, + "^\\(.*=[ \t]*\\(class\\|record\\).*\\)$", + 0 }, + { "bibtex", "\\(@[a-zA-Z]\\{1,\\}[ \t]*{\\{0,1\\}[ \t]*[^ \t\"@',\\#}{~%]*\\).*$", 0 }, + { "tex", "^\\(\\\\\\(\\(sub\\)*section\\|chapter\\|part\\)\\*\\{0,1\\}{.*\\)$", 0 }, + { "ruby", "^\\s*\\(\\(class\\|module\\|def\\)\\s.*\\)$", 0 }, }; static const struct funcname_pattern_entry *diff_funcname_pattern(struct diff_filespec *one) @@ -1530,7 +1533,7 @@ static void builtin_diff(const char *name_a, xecfg.ctxlen = o->context; xecfg.flags = XDL_EMIT_FUNCNAMES; if (pe) - xdiff_set_find_func(&xecfg, pe->pattern); + xdiff_set_find_func(&xecfg, pe->pattern, pe->cflags); if (!diffopts) ; else if (!prefixcmp(diffopts, "--unified=")) diff --git a/xdiff-interface.c b/xdiff-interface.c index 61dc5c547..2c81f40cb 100644 --- a/xdiff-interface.c +++ b/xdiff-interface.c @@ -206,7 +206,7 @@ static long ff_regexp(const char *line, long len, return result; } -void xdiff_set_find_func(xdemitconf_t *xecfg, const char *value) +void xdiff_set_find_func(xdemitconf_t *xecfg, const char *value, int cflags) { int i; struct ff_regs *regs; @@ -231,7 +231,7 @@ void xdiff_set_find_func(xdemitconf_t *xecfg, const char *value) expression = buffer = xstrndup(value, ep - value); else expression = value; - if (regcomp(®->re, expression, 0)) + if (regcomp(®->re, expression, cflags)) die("Invalid regexp to look for hunk header: %s", expression); free(buffer); value = ep + 1; diff --git a/xdiff-interface.h b/xdiff-interface.h index f7f791d96..33cab9dd5 100644 --- a/xdiff-interface.h +++ b/xdiff-interface.h @@ -21,6 +21,6 @@ int parse_hunk_header(char *line, int len, int read_mmfile(mmfile_t *ptr, const char *filename); int buffer_is_binary(const char *ptr, unsigned long size); -extern void xdiff_set_find_func(xdemitconf_t *xecfg, const char *line); +extern void xdiff_set_find_func(xdemitconf_t *xecfg, const char *line, int cflags); #endif