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/*
* Copyright (c) 2011, Colomban Wendling <colomban@geany.org>
*
* This source code is released for free distribution under the terms of the
* GNU General Public License version 2 or (at your option) any later version.
*
* This module contains functions for generating tags for Autoconf files.
*/
#include "general.h" /* must always come first */
#include <string.h>
#include "autoconf.h"
#include "m4.h"
#include "debug.h"
#include "entry.h"
#include "read.h"
#include "keyword.h"
#include "kind.h"
#include "parse.h"
static roleDefinition AutoconfOptwithRoles [] = {
{ true, "cmdline", "specified in a configure command line" },
};
static roleDefinition AutoconfOptenableRoles [] = {
{ true, "cmdline", "specified in a configure command line" },
};
static kindDefinition AutoconfKinds[] = {
{ true, 'p', "package", "packages" },
{ true, 't', "template", "templates" },
{ true, 'm', "macro", "autoconf macros" },
{ true, 'w', "optwith", "options specified with --with-...",
.referenceOnly = false, ATTACH_ROLES(AutoconfOptwithRoles)},
{ true, 'e', "optenable", "options specified with --enable-...",
.referenceOnly = false, ATTACH_ROLES(AutoconfOptenableRoles)},
{ true, 's', "subst", "substitution keys"},
{ true, 'c', "condition", "automake conditions" },
{ true, 'd', "definition", "definitions" },
};
typedef enum {
KEYWORD_init,
KEYWORD_template,
KEYWORD_defun,
KEYWORD_argwith,
KEYWORD_argenable,
KEYWORD_subst,
KEYWORD_conditional,
KEYWORD_define,
} autoconfKeywordId;
static const keywordTable autoconfKeywordTable[] = {
{ "AC_INIT", KEYWORD_init, },
{ "AH_TEMPLATE", KEYWORD_template, },
{ "AC_DEFUN", KEYWORD_defun, },
{ "AC_DEFUN_ONCE", KEYWORD_defun, },
{ "AC_ARG_WITH", KEYWORD_argwith, },
{ "AC_ARG_ENABLE", KEYWORD_argenable, },
{ "AC_SUBST", KEYWORD_subst, },
{ "AM_CONDITIONAL", KEYWORD_conditional, },
{ "AC_DEFINE", KEYWORD_define, },
{ "AC_DEFINE_UNQUOTED", KEYWORD_define, },
};
static bool doesLineCommentStart (m4Subparser *m4 CTAGS_ATTR_UNUSED, int c, const char* token CTAGS_ATTR_UNUSED)
{
return (c == '#');
}
static bool doesStringLiteralStart (m4Subparser *m4 CTAGS_ATTR_UNUSED, int c CTAGS_ATTR_UNUSED)
{
// return (c == '"') || (c == '\'') || (c == '`');
return false;
}
static bool probeLanguage (m4Subparser *m4 CTAGS_ATTR_UNUSED, const char* token)
{
return strncmp (token, "m4_", 3) == 0
|| strncmp (token, "AC_", 3) == 0
|| strncmp (token, "AM_", 3) == 0
|| strncmp (token, "AS_", 3) == 0
|| strncmp (token, "AH_", 3) == 0
;
}
static int makeAutoconfTag (int kind)
{
int index = CORK_NIL;
vString * name;
name = vStringNew();
readM4MacroArgument(name);
if (vStringLength (name) > 0)
{
tagEntryInfo e;
initTagEntry (&e, vStringValue(name), kind);
index = makeTagEntry(&e);
}
vStringDelete (name);
return index;
}
static int newMacroCallback (m4Subparser *m4 CTAGS_ATTR_UNUSED, const char* token)
{
int keyword;
int index = CORK_NIL;
keyword = lookupKeyword (token, getInputLanguage ());
/* TODO:
AH_VERBATIM
*/
switch (keyword)
{
case KEYWORD_NONE:
break;
case KEYWORD_init:
index = makeAutoconfTag (AUTOCONF_PACKAGE_KIND);
break;
case KEYWORD_template:
index = makeAutoconfTag (AUTOCONF_TEMPLATE_KIND);
break;
case KEYWORD_defun:
index = makeAutoconfTag (AUTOCONF_MACRO_KIND);
break;
case KEYWORD_argwith:
index = makeAutoconfTag (AUTOCONF_OPTWITH_KIND);
break;
case KEYWORD_argenable:
index = makeAutoconfTag (AUTOCONF_OPTENABLE_KIND);
break;
case KEYWORD_subst:
index = makeAutoconfTag (AUTOCONF_SUBST_KIND);
break;
case KEYWORD_conditional:
index = makeAutoconfTag (AUTOCONF_CONDITION_KIND);
break;
case KEYWORD_define:
index = makeAutoconfTag (AUTOCONF_DEFINITION_KIND);
break;
default:
AssertNotReached ();
}
return index;
}
static void exclusiveSubparserChosenCallback (subparser *s CTAGS_ATTR_UNUSED, void *data CTAGS_ATTR_UNUSED)
{
setM4Quotes ('[', ']');
}
static void findAutoconfTags(void)
{
scheduleRunningBaseparser (0);
}
extern parserDefinition* AutoconfParser (void)
{
static const char *const patterns [] = { "configure.in", NULL };
static const char *const extensions [] = { "ac", NULL };
parserDefinition* const def = parserNew("Autoconf");
static m4Subparser autoconfSubparser = {
.subparser = {
.direction = SUBPARSER_BI_DIRECTION,
.exclusiveSubparserChosenNotify = exclusiveSubparserChosenCallback,
},
.probeLanguage = probeLanguage,
.newMacroNotify = newMacroCallback,
.doesLineCommentStart = doesLineCommentStart,
.doesStringLiteralStart = doesStringLiteralStart,
};
static parserDependency dependencies [] = {
[0] = { DEPTYPE_SUBPARSER, "M4", &autoconfSubparser },
};
def->dependencies = dependencies;
def->dependencyCount = ARRAY_SIZE (dependencies);
def->kindTable = AutoconfKinds;
def->kindCount = ARRAY_SIZE(AutoconfKinds);
def->patterns = patterns;
def->extensions = extensions;
def->parser = findAutoconfTags;
def->useCork = CORK_QUEUE;
def->keywordTable = autoconfKeywordTable;
def->keywordCount = ARRAY_SIZE (autoconfKeywordTable);
return def;
}
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