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authormarha <marha@users.sourceforge.net>2012-06-28 08:08:21 +0200
committermarha <marha@users.sourceforge.net>2012-06-28 08:08:21 +0200
commit67551627d34fff4a0fbe719bce33a3bacb55ccef (patch)
tree37b58281a1186148a56dbb3b9eed6eaf759cbe7b /mesalib/src/glsl/glcpp/glcpp-parse.y
parent7baa3d795c87c11550f1686488c968320428cbf9 (diff)
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xkeyboard-config mesa fontconfig randrproto git update 28 Jun 2012
Diffstat (limited to 'mesalib/src/glsl/glcpp/glcpp-parse.y')
-rw-r--r--mesalib/src/glsl/glcpp/glcpp-parse.y61
1 files changed, 55 insertions, 6 deletions
diff --git a/mesalib/src/glsl/glcpp/glcpp-parse.y b/mesalib/src/glsl/glcpp/glcpp-parse.y
index 9e8f9b2d6..cc4af1689 100644
--- a/mesalib/src/glsl/glcpp/glcpp-parse.y
+++ b/mesalib/src/glsl/glcpp/glcpp-parse.y
@@ -105,9 +105,15 @@ _parser_active_list_pop (glcpp_parser_t *parser);
static int
_parser_active_list_contains (glcpp_parser_t *parser, const char *identifier);
+/* Expand list, and begin lexing from the result (after first
+ * prefixing a token of type 'head_token_type').
+ */
static void
-_glcpp_parser_expand_if (glcpp_parser_t *parser, int type, token_list_t *list);
+_glcpp_parser_expand_and_lex_from (glcpp_parser_t *parser,
+ int head_token_type,
+ token_list_t *list);
+/* Perform macro expansion in-place on the given list. */
static void
_glcpp_parser_expand_token_list (glcpp_parser_t *parser,
token_list_t *list);
@@ -156,7 +162,7 @@ add_builtin_define(glcpp_parser_t *parser, const char *name, int value);
%lex-param {glcpp_parser_t *parser}
%expect 0
-%token COMMA_FINAL DEFINED ELIF_EXPANDED HASH HASH_DEFINE_FUNC HASH_DEFINE_OBJ HASH_ELIF HASH_ELSE HASH_ENDIF HASH_IF HASH_IFDEF HASH_IFNDEF HASH_UNDEF HASH_VERSION IDENTIFIER IF_EXPANDED INTEGER INTEGER_STRING NEWLINE OTHER PLACEHOLDER SPACE
+%token COMMA_FINAL DEFINED ELIF_EXPANDED HASH HASH_DEFINE_FUNC HASH_DEFINE_OBJ HASH_ELIF HASH_ELSE HASH_ENDIF HASH_IF HASH_IFDEF HASH_IFNDEF HASH_LINE HASH_UNDEF HASH_VERSION IDENTIFIER IF_EXPANDED INTEGER INTEGER_STRING LINE_EXPANDED NEWLINE OTHER PLACEHOLDER SPACE
%token PASTE
%type <ival> expression INTEGER operator SPACE integer_constant
%type <str> IDENTIFIER INTEGER_STRING OTHER
@@ -202,6 +208,24 @@ expanded_line:
| ELIF_EXPANDED expression NEWLINE {
_glcpp_parser_skip_stack_change_if (parser, & @1, "elif", $2);
}
+| LINE_EXPANDED integer_constant NEWLINE {
+ parser->has_new_line_number = 1;
+ parser->new_line_number = $2;
+ ralloc_asprintf_rewrite_tail (&parser->output,
+ &parser->output_length,
+ "#line %" PRIiMAX,
+ $2);
+ }
+| LINE_EXPANDED integer_constant integer_constant NEWLINE {
+ parser->has_new_line_number = 1;
+ parser->new_line_number = $2;
+ parser->has_new_source_number = 1;
+ parser->new_source_number = $3;
+ ralloc_asprintf_rewrite_tail (&parser->output,
+ &parser->output_length,
+ "#line %" PRIiMAX " %" PRIiMAX,
+ $2, $3);
+ }
;
control_line:
@@ -222,6 +246,14 @@ control_line:
}
ralloc_free ($2);
}
+| HASH_LINE pp_tokens NEWLINE {
+ if (parser->skip_stack == NULL ||
+ parser->skip_stack->type == SKIP_NO_SKIP)
+ {
+ _glcpp_parser_expand_and_lex_from (parser,
+ LINE_EXPANDED, $2);
+ }
+ }
| HASH_IF conditional_tokens NEWLINE {
/* Be careful to only evaluate the 'if' expression if
* we are not skipping. When we are skipping, we
@@ -233,7 +265,8 @@ control_line:
if (parser->skip_stack == NULL ||
parser->skip_stack->type == SKIP_NO_SKIP)
{
- _glcpp_parser_expand_if (parser, IF_EXPANDED, $2);
+ _glcpp_parser_expand_and_lex_from (parser,
+ IF_EXPANDED, $2);
}
else
{
@@ -272,7 +305,8 @@ control_line:
if (parser->skip_stack &&
parser->skip_stack->type == SKIP_TO_ELSE)
{
- _glcpp_parser_expand_if (parser, ELIF_EXPANDED, $2);
+ _glcpp_parser_expand_and_lex_from (parser,
+ ELIF_EXPANDED, $2);
}
else
{
@@ -341,6 +375,9 @@ integer_constant:
expression:
integer_constant
+| IDENTIFIER {
+ $$ = 0;
+ }
| expression OR expression {
$$ = $1 || $3;
}
@@ -1109,6 +1146,11 @@ glcpp_parser_create (const struct gl_extensions *extensions, int api)
parser->info_log_length = 0;
parser->error = 0;
+ parser->has_new_line_number = 0;
+ parser->new_line_number = 1;
+ parser->has_new_source_number = 0;
+ parser->new_source_number = 0;
+
/* Add pre-defined macros. */
add_builtin_define(parser, "GL_ARB_draw_buffers", 1);
add_builtin_define(parser, "GL_ARB_texture_rectangle", 1);
@@ -1269,14 +1311,21 @@ _token_list_create_with_one_space (void *ctx)
return list;
}
+/* Perform macro expansion on 'list', placing the resulting tokens
+ * into a new list which is initialized with a first token of type
+ * 'head_token_type'. Then begin lexing from the resulting list,
+ * (return to the current lexing source when this list is exhausted).
+ */
static void
-_glcpp_parser_expand_if (glcpp_parser_t *parser, int type, token_list_t *list)
+_glcpp_parser_expand_and_lex_from (glcpp_parser_t *parser,
+ int head_token_type,
+ token_list_t *list)
{
token_list_t *expanded;
token_t *token;
expanded = _token_list_create (parser);
- token = _token_create_ival (parser, type, type);
+ token = _token_create_ival (parser, head_token_type, head_token_type);
_token_list_append (expanded, token);
_glcpp_parser_expand_token_list (parser, list);
_token_list_append_list (expanded, list);