DeforaOS/CPP
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Recognizing the #elif and #undef directives

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This commit is contained in:
Pierre Pronchery 2008-03-02 00:59:56 +00:00
parent 50237ec133
commit cd86a3c031
3 changed files with 29 additions and 7 deletions
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4
include/cpp.h
View File

@ -33,6 +33,7 @@ typedef enum _CppCode
CPP_CODE_COMMA = 0,
CPP_CODE_DQUOTE,
CPP_CODE_META_DEFINE,
CPP_CODE_META_ELIF,
CPP_CODE_META_ELSE,
CPP_CODE_META_ENDIF,
CPP_CODE_META_ERROR,
@ -41,6 +42,7 @@ typedef enum _CppCode
CPP_CODE_META_IFNDEF,
CPP_CODE_META_INCLUDE,
CPP_CODE_META_PRAGMA,
CPP_CODE_META_UNDEF,
CPP_CODE_META_WARNING,
CPP_CODE_OPERATOR_AEQUALS,
CPP_CODE_OPERATOR_AMPERSAND,
@ -98,7 +100,7 @@ void cpp_delete(Cpp * cpp);
char const * cpp_get_filename(Cpp * cpp);
/* useful */
int cpp_add_path(Cpp * cpp, char const * path);
int cpp_path_add(Cpp * cpp, char const * path);
int cpp_scan(Cpp * cpp, Token ** token);

30
src/cpp.c
View File

@ -62,6 +62,7 @@ struct _Cpp
typedef enum _CppDirective
{
CPP_DIRECTIVE_DEFINE = 0,
CPP_DIRECTIVE_ELIF,
CPP_DIRECTIVE_ELSE,
CPP_DIRECTIVE_ENDIF,
CPP_DIRECTIVE_ERROR,
@ -70,6 +71,7 @@ typedef enum _CppDirective
CPP_DIRECTIVE_IFNDEF,
CPP_DIRECTIVE_INCLUDE,
CPP_DIRECTIVE_PRAGMA,
CPP_DIRECTIVE_UNDEF,
CPP_DIRECTIVE_WARNING
} CppDirective;
#define CPP_DIRECTIVE_LAST CPP_DIRECTIVE_WARNING
@ -122,8 +124,8 @@ static const size_t _cpp_operators_cnt = sizeof(_cpp_operators)
static const size_t _cpp_directives_cnt = CPP_DIRECTIVE_COUNT;
static const char * _cpp_directives[CPP_DIRECTIVE_COUNT] =
{
"define", "else", "endif", "error", "if", "ifdef", "ifndef", "include",
"pragma", "warning"
"define", "elif", "else", "endif", "error", "if", "ifdef", "ifndef",
"include", "pragma", "undef", "warning"
};
@ -433,6 +435,10 @@ static int _cpp_callback_directive(Parser * parser, Token * token, int c,
/* FIXME implement */
token_set_code(token, CPP_CODE_META_DEFINE);
break;
case CPP_DIRECTIVE_ELIF:
/* FIXME implement */
token_set_code(token, CPP_CODE_META_ELIF);
break;
case CPP_DIRECTIVE_ELSE:
/* FIXME implement */
token_set_code(token, CPP_CODE_META_ELSE);
@ -463,6 +469,10 @@ static int _cpp_callback_directive(Parser * parser, Token * token, int c,
/* FIXME implement */
token_set_code(token, CPP_CODE_META_PRAGMA);
break;
case CPP_DIRECTIVE_UNDEF:
/* FIXME implement */
token_set_code(token, CPP_CODE_META_UNDEF);
break;
case CPP_DIRECTIVE_WARNING:
_directive_warning(cpp, token, str);
break;
@ -495,6 +505,7 @@ static int _directive_include(Cpp * cpp, Token * token, char const * str)
{
char * path;
Cpp ** p;
size_t i;
if((path = _include_path(cpp, token, str)) == NULL)
return 0;
@ -505,6 +516,15 @@ static int _directive_include(Cpp * cpp, Token * token, char const * str)
free(path);
return -1;
}
for(i = 0; i < cpp->paths_cnt; i++)
if(cpp_path_add(cpp->subparser, cpp->paths[i]) != 0)
break;
if(i != cpp->paths_cnt)
{
cpp_delete(cpp->subparser);
cpp->subparser = NULL;
return 1;
}
return 0;
}
@ -749,7 +769,7 @@ Cpp * cpp_new(char const * filename, int filters)
cpp->paths_cnt = 0;
if((p = strdup(filename)) != NULL)
{
cpp_add_path(cpp, dirname(p)); /* FIXME inclusion order */
cpp_path_add(cpp, dirname(p)); /* FIXME inclusion order */
free(p);
}
if(cpp->parser == NULL || cpp->paths_cnt != 1)
@ -794,8 +814,8 @@ char const * cpp_get_filename(Cpp * cpp)
/* useful */
/* cpp_add_path */
int cpp_add_path(Cpp * cpp, char const * path)
/* cpp_path_add */
int cpp_path_add(Cpp * cpp, char const * path)
{
char ** p;

2
src/main.c
View File

@ -78,7 +78,7 @@ static int _cpp_do(Prefs * prefs, FILE * fp, char const * filename)
? CPP_FILTER_TRIGRAPH : 0)) == NULL)
return _cpp_error();
for(i = 0; i < prefs->paths_cnt; i++)
if(cpp_add_path(cpp, prefs->paths[i]) != 0)
if(cpp_path_add(cpp, prefs->paths[i]) != 0)
break;
if(i != prefs->paths_cnt)
{