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Diffstat (limited to 'userdiff.c')
-rw-r--r--userdiff.c131
1 files changed, 76 insertions, 55 deletions
diff --git a/userdiff.c b/userdiff.c
index 1ff47977d5..ea43a0306f 100644
--- a/userdiff.c
+++ b/userdiff.c
@@ -14,6 +14,15 @@ static int drivers_alloc;
{ name, NULL, -1, { pattern, REG_EXTENDED | REG_ICASE }, \
word_regex "|[^[:space:]]|[\xc0-\xff][\x80-\xbf]+" }
static struct userdiff_driver builtin_drivers[] = {
+IPATTERN("ada",
+ "!^(.*[ \t])?(is new|renames|is separate)([ \t].*)?$\n"
+ "!^[ \t]*with[ \t].*$\n"
+ "^[ \t]*((procedure|function)[ \t]+.*)$\n"
+ "^[ \t]*((package|protected|task)[ \t]+.*)$",
+ /* -- */
+ "[a-zA-Z][a-zA-Z0-9_]*"
+ "|[0-9][-+0-9#_.eE]"
+ "|=>|\\.\\.|\\*\\*|:=|/=|>=|<=|<<|>>|<>"),
IPATTERN("fortran",
"!^([C*]|[ \t]*!)\n"
"!^[ \t]*MODULE[ \t]+PROCEDURE[ \t]\n"
@@ -37,6 +46,9 @@ PATTERNS("java",
"|[-+0-9.e]+[fFlL]?|0[xXbB]?[0-9a-fA-F]+[lL]?"
"|[-+*/<>%&^|=!]="
"|--|\\+\\+|<<=?|>>>?=?|&&|\\|\\|"),
+PATTERNS("matlab",
+ "^[[:space:]]*((classdef|function)[[:space:]].*)$|^%%[[:space:]].*$",
+ "[a-zA-Z_][a-zA-Z0-9_]*|[-+0-9.e]+|[=~<>]=|\\.[*/\\^']|\\|\\||&&"),
PATTERNS("objc",
/* Negate C statements that can look like functions */
"!^[ \t]*(do|for|if|else|return|switch|while)\n"
@@ -60,10 +72,24 @@ PATTERNS("pascal",
"|[-+0-9.e]+|0[xXbB]?[0-9a-fA-F]+"
"|<>|<=|>=|:=|\\.\\."),
PATTERNS("perl",
- "^[ \t]*package .*;\n"
- "^[ \t]*sub .* \\{\n"
- "^[A-Z]+ \\{\n" /* BEGIN, END, ... */
- "^=head[0-9] ", /* POD */
+ "^package .*\n"
+ "^sub [[:alnum:]_':]+[ \t]*"
+ "(\\([^)]*\\)[ \t]*)?" /* prototype */
+ /*
+ * Attributes. A regex can't count nested parentheses,
+ * so just slurp up whatever we see, taking care not
+ * to accept lines like "sub foo; # defined elsewhere".
+ *
+ * An attribute could contain a semicolon, but at that
+ * point it seems reasonable enough to give up.
+ */
+ "(:[^;#]*)?"
+ "(\\{[ \t]*)?" /* brace can come here or on the next line */
+ "(#.*)?$\n" /* comment */
+ "^(BEGIN|END|INIT|CHECK|UNITCHECK|AUTOLOAD|DESTROY)[ \t]*"
+ "(\\{[ \t]*)?" /* brace can come here or on the next line */
+ "(#.*)?$\n"
+ "^=head[0-9] .*", /* POD */
/* -- */
"[[:alpha:]_'][[:alnum:]_']*"
"|0[xb]?[0-9a-fA-F_]*"
@@ -101,7 +127,7 @@ PATTERNS("cpp",
/* Jump targets or access declarations */
"!^[ \t]*[A-Za-z_][A-Za-z_0-9]*:.*$\n"
/* C/++ functions/methods at top level */
- "^([A-Za-z_][A-Za-z_0-9]*([ \t]+[A-Za-z_][A-Za-z_0-9]*([ \t]*::[ \t]*[^[:space:]]+)?){1,}[ \t]*\\([^;]*)$\n"
+ "^([A-Za-z_][A-Za-z_0-9]*([ \t*]+[A-Za-z_][A-Za-z_0-9]*([ \t]*::[ \t]*[^[:space:]]+)?){1,}[ \t]*\\([^;]*)$\n"
/* compound type at top level */
"^((struct|class|enum)[^;]*)$",
/* -- */
@@ -158,49 +184,13 @@ static struct userdiff_driver *userdiff_find_by_namelen(const char *k, int len)
return NULL;
}
-static struct userdiff_driver *parse_driver(const char *var,
- const char *value, const char *type)
-{
- struct userdiff_driver *drv;
- const char *dot;
- const char *name;
- int namelen;
-
- if (prefixcmp(var, "diff."))
- return NULL;
- dot = strrchr(var, '.');
- if (dot == var + 4)
- return NULL;
- if (strcmp(type, dot+1))
- return NULL;
-
- name = var + 5;
- namelen = dot - name;
- drv = userdiff_find_by_namelen(name, namelen);
- if (!drv) {
- ALLOC_GROW(drivers, ndrivers+1, drivers_alloc);
- drv = &drivers[ndrivers++];
- memset(drv, 0, sizeof(*drv));
- drv->name = xmemdupz(name, namelen);
- drv->binary = -1;
- }
- return drv;
-}
-
static int parse_funcname(struct userdiff_funcname *f, const char *k,
const char *v, int cflags)
{
if (git_config_string(&f->pattern, k, v) < 0)
return -1;
f->cflags = cflags;
- return 1;
-}
-
-static int parse_string(const char **d, const char *k, const char *v)
-{
- if (git_config_string(d, k, v) < 0)
- return -1;
- return 1;
+ return 0;
}
static int parse_tristate(int *b, const char *k, const char *v)
@@ -209,33 +199,47 @@ static int parse_tristate(int *b, const char *k, const char *v)
*b = -1;
else
*b = git_config_bool(k, v);
- return 1;
+ return 0;
}
static int parse_bool(int *b, const char *k, const char *v)
{
*b = git_config_bool(k, v);
- return 1;
+ return 0;
}
int userdiff_config(const char *k, const char *v)
{
struct userdiff_driver *drv;
+ const char *name, *type;
+ int namelen;
+
+ if (parse_config_key(k, "diff", &name, &namelen, &type) || !name)
+ return 0;
- if ((drv = parse_driver(k, v, "funcname")))
+ drv = userdiff_find_by_namelen(name, namelen);
+ if (!drv) {
+ ALLOC_GROW(drivers, ndrivers+1, drivers_alloc);
+ drv = &drivers[ndrivers++];
+ memset(drv, 0, sizeof(*drv));
+ drv->name = xmemdupz(name, namelen);
+ drv->binary = -1;
+ }
+
+ if (!strcmp(type, "funcname"))
return parse_funcname(&drv->funcname, k, v, 0);
- if ((drv = parse_driver(k, v, "xfuncname")))
+ if (!strcmp(type, "xfuncname"))
return parse_funcname(&drv->funcname, k, v, REG_EXTENDED);
- if ((drv = parse_driver(k, v, "binary")))
+ if (!strcmp(type, "binary"))
return parse_tristate(&drv->binary, k, v);
- if ((drv = parse_driver(k, v, "command")))
- return parse_string(&drv->external, k, v);
- if ((drv = parse_driver(k, v, "textconv")))
- return parse_string(&drv->textconv, k, v);
- if ((drv = parse_driver(k, v, "cachetextconv")))
+ if (!strcmp(type, "command"))
+ return git_config_string(&drv->external, k, v);
+ if (!strcmp(type, "textconv"))
+ return git_config_string(&drv->textconv, k, v);
+ if (!strcmp(type, "cachetextconv"))
return parse_bool(&drv->textconv_want_cache, k, v);
- if ((drv = parse_driver(k, v, "wordregex")))
- return parse_string(&drv->word_regex, k, v);
+ if (!strcmp(type, "wordregex"))
+ return git_config_string(&drv->word_regex, k, v);
return 0;
}
@@ -256,7 +260,7 @@ struct userdiff_driver *userdiff_find_by_path(const char *path)
if (!path)
return NULL;
- if (git_checkattr(path, 1, &check))
+ if (git_check_attr(path, 1, &check))
return NULL;
if (ATTR_TRUE(check.value))
@@ -267,3 +271,20 @@ struct userdiff_driver *userdiff_find_by_path(const char *path)
return NULL;
return userdiff_find_by_name(check.value);
}
+
+struct userdiff_driver *userdiff_get_textconv(struct userdiff_driver *driver)
+{
+ if (!driver->textconv)
+ return NULL;
+
+ if (driver->textconv_want_cache && !driver->textconv_cache) {
+ struct notes_cache *c = xmalloc(sizeof(*c));
+ struct strbuf name = STRBUF_INIT;
+
+ strbuf_addf(&name, "textconv/%s", driver->name);
+ notes_cache_init(c, name.buf, driver->textconv);
+ driver->textconv_cache = c;
+ }
+
+ return driver;
+}