289 lines
9.2 KiB
C
289 lines
9.2 KiB
C
#include "cache.h"
|
|
#include "userdiff.h"
|
|
#include "cache.h"
|
|
#include "attr.h"
|
|
|
|
static struct userdiff_driver *drivers;
|
|
static int ndrivers;
|
|
static int drivers_alloc;
|
|
|
|
#define PATTERNS(name, pattern, word_regex) \
|
|
{ name, NULL, -1, { pattern, REG_EXTENDED }, \
|
|
word_regex "|[^[:space:]]|[\xc0-\xff][\x80-\xbf]+" }
|
|
#define IPATTERN(name, pattern, word_regex) \
|
|
{ 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[ \t]+new|renames|is[ \t]+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#_.aAbBcCdDeEfF]*([eE][+-]?[0-9_]+)?"
|
|
"|=>|\\.\\.|\\*\\*|:=|/=|>=|<=|<<|>>|<>"),
|
|
IPATTERN("fortran",
|
|
"!^([C*]|[ \t]*!)\n"
|
|
"!^[ \t]*MODULE[ \t]+PROCEDURE[ \t]\n"
|
|
"^[ \t]*((END[ \t]+)?(PROGRAM|MODULE|BLOCK[ \t]+DATA"
|
|
"|([^'\" \t]+[ \t]+)*(SUBROUTINE|FUNCTION))[ \t]+[A-Z].*)$",
|
|
/* -- */
|
|
"[a-zA-Z][a-zA-Z0-9_]*"
|
|
"|\\.([Ee][Qq]|[Nn][Ee]|[Gg][TtEe]|[Ll][TtEe]|[Tt][Rr][Uu][Ee]|[Ff][Aa][Ll][Ss][Ee]|[Aa][Nn][Dd]|[Oo][Rr]|[Nn]?[Ee][Qq][Vv]|[Nn][Oo][Tt])\\."
|
|
/* numbers and format statements like 2E14.4, or ES12.6, 9X.
|
|
* Don't worry about format statements without leading digits since
|
|
* they would have been matched above as a variable anyway. */
|
|
"|[-+]?[0-9.]+([AaIiDdEeFfLlTtXx][Ss]?[-+]?[0-9.]*)?(_[a-zA-Z0-9][a-zA-Z0-9_]*)?"
|
|
"|//|\\*\\*|::|[/<>=]="),
|
|
PATTERNS("html", "^[ \t]*(<[Hh][1-6][ \t].*>.*)$",
|
|
"[^<>= \t]+"),
|
|
PATTERNS("java",
|
|
"!^[ \t]*(catch|do|for|if|instanceof|new|return|switch|throw|while)\n"
|
|
"^[ \t]*(([A-Za-z_][A-Za-z_0-9]*[ \t]+)+[A-Za-z_][A-Za-z_0-9]*[ \t]*\\([^;]*)$",
|
|
/* -- */
|
|
"[a-zA-Z_][a-zA-Z0-9_]*"
|
|
"|[-+0-9.e]+[fFlL]?|0[xXbB]?[0-9a-fA-F]+[lL]?"
|
|
"|[-+*/<>%&^|=!]="
|
|
"|--|\\+\\+|<<=?|>>>?=?|&&|\\|\\|"),
|
|
PATTERNS("matlab",
|
|
"^[[:space:]]*((classdef|function)[[:space:]].*)$|^%%[[:space:]].*$",
|
|
"[a-zA-Z_][a-zA-Z0-9_]*|[-+0-9.e]+|[=~<>]=|\\.[*/\\^']|\\|\\||&&"),
|
|
PATTERNS("objc",
|
|
/* Negate C statements that can look like functions */
|
|
"!^[ \t]*(do|for|if|else|return|switch|while)\n"
|
|
/* Objective-C methods */
|
|
"^[ \t]*([-+][ \t]*\\([ \t]*[A-Za-z_][A-Za-z_0-9* \t]*\\)[ \t]*[A-Za-z_].*)$\n"
|
|
/* C functions */
|
|
"^[ \t]*(([A-Za-z_][A-Za-z_0-9]*[ \t]+)+[A-Za-z_][A-Za-z_0-9]*[ \t]*\\([^;]*)$\n"
|
|
/* Objective-C class/protocol definitions */
|
|
"^(@(implementation|interface|protocol)[ \t].*)$",
|
|
/* -- */
|
|
"[a-zA-Z_][a-zA-Z0-9_]*"
|
|
"|[-+0-9.e]+[fFlL]?|0[xXbB]?[0-9a-fA-F]+[lL]?"
|
|
"|[-+*/<>%&^|=!]=|--|\\+\\+|<<=?|>>=?|&&|\\|\\||::|->"),
|
|
PATTERNS("pascal",
|
|
"^(((class[ \t]+)?(procedure|function)|constructor|destructor|interface|"
|
|
"implementation|initialization|finalization)[ \t]*.*)$"
|
|
"\n"
|
|
"^(.*=[ \t]*(class|record).*)$",
|
|
/* -- */
|
|
"[a-zA-Z_][a-zA-Z0-9_]*"
|
|
"|[-+0-9.e]+|0[xXbB]?[0-9a-fA-F]+"
|
|
"|<>|<=|>=|:=|\\.\\."),
|
|
PATTERNS("perl",
|
|
"^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_]*"
|
|
/* taking care not to interpret 3..5 as (3.)(.5) */
|
|
"|[0-9a-fA-F_]+(\\.[0-9a-fA-F_]+)?([eE][-+]?[0-9_]+)?"
|
|
"|=>|-[rwxoRWXOezsfdlpSugkbctTBMAC>]|~~|::"
|
|
"|&&=|\\|\\|=|//=|\\*\\*="
|
|
"|&&|\\|\\||//|\\+\\+|--|\\*\\*|\\.\\.\\.?"
|
|
"|[-+*/%.^&<>=!|]="
|
|
"|=~|!~"
|
|
"|<<|<>|<=>|>>"),
|
|
PATTERNS("php",
|
|
"^[\t ]*(((public|protected|private|static)[\t ]+)*function.*)$\n"
|
|
"^[\t ]*(class.*)$",
|
|
/* -- */
|
|
"[a-zA-Z_][a-zA-Z0-9_]*"
|
|
"|[-+0-9.e]+|0[xXbB]?[0-9a-fA-F]+"
|
|
"|[-+*/<>%&^|=!.]=|--|\\+\\+|<<=?|>>=?|===|&&|\\|\\||::|->"),
|
|
PATTERNS("python", "^[ \t]*((class|def)[ \t].*)$",
|
|
/* -- */
|
|
"[a-zA-Z_][a-zA-Z0-9_]*"
|
|
"|[-+0-9.e]+[jJlL]?|0[xX]?[0-9a-fA-F]+[lL]?"
|
|
"|[-+*/<>%&^|=!]=|//=?|<<=?|>>=?|\\*\\*=?"),
|
|
/* -- */
|
|
PATTERNS("ruby", "^[ \t]*((class|module|def)[ \t].*)$",
|
|
/* -- */
|
|
"(@|@@|\\$)?[a-zA-Z_][a-zA-Z0-9_]*"
|
|
"|[-+0-9.e]+|0[xXbB]?[0-9a-fA-F]+|\\?(\\\\C-)?(\\\\M-)?."
|
|
"|//=?|[-+*/<>%&^|=!]=|<<=?|>>=?|===|\\.{1,3}|::|[!=]~"),
|
|
PATTERNS("bibtex", "(@[a-zA-Z]{1,}[ \t]*\\{{0,1}[ \t]*[^ \t\"@',\\#}{~%]*).*$",
|
|
"[={}\"]|[^={}\" \t]+"),
|
|
PATTERNS("tex", "^(\\\\((sub)*section|chapter|part)\\*{0,1}\\{.*)$",
|
|
"\\\\[a-zA-Z@]+|\\\\.|[a-zA-Z0-9\x80-\xff]+"),
|
|
PATTERNS("cpp",
|
|
/* Jump targets or access declarations */
|
|
"!^[ \t]*[A-Za-z_][A-Za-z_0-9]*:[[:space:]]*($|/[/*])\n"
|
|
/* functions/methods, variables, and compounds at top level */
|
|
"^((::[[:space:]]*)?[A-Za-z_].*)$",
|
|
/* -- */
|
|
"[a-zA-Z_][a-zA-Z0-9_]*"
|
|
"|[-+0-9.e]+[fFlL]?|0[xXbB]?[0-9a-fA-F]+[lLuU]*"
|
|
"|[-+*/<>%&^|=!]=|--|\\+\\+|<<=?|>>=?|&&|\\|\\||::|->\\*?|\\.\\*"),
|
|
PATTERNS("csharp",
|
|
/* Keywords */
|
|
"!^[ \t]*(do|while|for|if|else|instanceof|new|return|switch|case|throw|catch|using)\n"
|
|
/* Methods and constructors */
|
|
"^[ \t]*(((static|public|internal|private|protected|new|virtual|sealed|override|unsafe)[ \t]+)*[][<>@.~_[:alnum:]]+[ \t]+[<>@._[:alnum:]]+[ \t]*\\(.*\\))[ \t]*$\n"
|
|
/* Properties */
|
|
"^[ \t]*(((static|public|internal|private|protected|new|virtual|sealed|override|unsafe)[ \t]+)*[][<>@.~_[:alnum:]]+[ \t]+[@._[:alnum:]]+)[ \t]*$\n"
|
|
/* Type definitions */
|
|
"^[ \t]*(((static|public|internal|private|protected|new|unsafe|sealed|abstract|partial)[ \t]+)*(class|enum|interface|struct)[ \t]+.*)$\n"
|
|
/* Namespace */
|
|
"^[ \t]*(namespace[ \t]+.*)$",
|
|
/* -- */
|
|
"[a-zA-Z_][a-zA-Z0-9_]*"
|
|
"|[-+0-9.e]+[fFlL]?|0[xXbB]?[0-9a-fA-F]+[lL]?"
|
|
"|[-+*/<>%&^|=!]=|--|\\+\\+|<<=?|>>=?|&&|\\|\\||::|->"),
|
|
{ "default", NULL, -1, { NULL, 0 } },
|
|
};
|
|
#undef PATTERNS
|
|
#undef IPATTERN
|
|
|
|
static struct userdiff_driver driver_true = {
|
|
"diff=true",
|
|
NULL,
|
|
0,
|
|
{ NULL, 0 }
|
|
};
|
|
|
|
static struct userdiff_driver driver_false = {
|
|
"!diff",
|
|
NULL,
|
|
1,
|
|
{ NULL, 0 }
|
|
};
|
|
|
|
static struct userdiff_driver *userdiff_find_by_namelen(const char *k, int len)
|
|
{
|
|
int i;
|
|
for (i = 0; i < ndrivers; i++) {
|
|
struct userdiff_driver *drv = drivers + i;
|
|
if (!strncmp(drv->name, k, len) && !drv->name[len])
|
|
return drv;
|
|
}
|
|
for (i = 0; i < ARRAY_SIZE(builtin_drivers); i++) {
|
|
struct userdiff_driver *drv = builtin_drivers + i;
|
|
if (!strncmp(drv->name, k, len) && !drv->name[len])
|
|
return drv;
|
|
}
|
|
return NULL;
|
|
}
|
|
|
|
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 0;
|
|
}
|
|
|
|
static int parse_tristate(int *b, const char *k, const char *v)
|
|
{
|
|
if (v && !strcasecmp(v, "auto"))
|
|
*b = -1;
|
|
else
|
|
*b = git_config_bool(k, v);
|
|
return 0;
|
|
}
|
|
|
|
static int parse_bool(int *b, const char *k, const char *v)
|
|
{
|
|
*b = git_config_bool(k, v);
|
|
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;
|
|
|
|
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 (!strcmp(type, "xfuncname"))
|
|
return parse_funcname(&drv->funcname, k, v, REG_EXTENDED);
|
|
if (!strcmp(type, "binary"))
|
|
return parse_tristate(&drv->binary, k, v);
|
|
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 (!strcmp(type, "wordregex"))
|
|
return git_config_string(&drv->word_regex, k, v);
|
|
|
|
return 0;
|
|
}
|
|
|
|
struct userdiff_driver *userdiff_find_by_name(const char *name) {
|
|
int len = strlen(name);
|
|
return userdiff_find_by_namelen(name, len);
|
|
}
|
|
|
|
struct userdiff_driver *userdiff_find_by_path(const char *path)
|
|
{
|
|
static struct git_attr *attr;
|
|
struct git_attr_check check;
|
|
|
|
if (!attr)
|
|
attr = git_attr("diff");
|
|
check.attr = attr;
|
|
|
|
if (!path)
|
|
return NULL;
|
|
if (git_check_attr(path, 1, &check))
|
|
return NULL;
|
|
|
|
if (ATTR_TRUE(check.value))
|
|
return &driver_true;
|
|
if (ATTR_FALSE(check.value))
|
|
return &driver_false;
|
|
if (ATTR_UNSET(check.value))
|
|
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;
|
|
}
|