Mesa (mesa_7_4_branch): glsl: Fix symbol replacement handling in preprocessor.
Brian Paul
brianp at kemper.freedesktop.org
Wed Jun 10 18:27:01 UTC 2009
Module: Mesa
Branch: mesa_7_4_branch
Commit: 0269eb5e3f081c6e5d9ffddf7f6ca03f69b30fe5
URL: http://cgit.freedesktop.org/mesa/mesa/commit/?id=0269eb5e3f081c6e5d9ffddf7f6ca03f69b30fe5
Author: Brian Paul <brianp at vmware.com>
Date: Wed Jun 10 12:25:11 2009 -0600
glsl: Fix symbol replacement handling in preprocessor.
(cherry picked from master, commit d9617deb008b75f4a605a30408aeb1948139c33e)
---
src/mesa/shader/slang/slang_preprocess.c | 28 +++++++++++++++-------------
1 files changed, 15 insertions(+), 13 deletions(-)
diff --git a/src/mesa/shader/slang/slang_preprocess.c b/src/mesa/shader/slang/slang_preprocess.c
index b2530a6..5455ba6 100644
--- a/src/mesa/shader/slang/slang_preprocess.c
+++ b/src/mesa/shader/slang/slang_preprocess.c
@@ -1018,8 +1018,6 @@ preprocess_source (slang_string *output, const char *source,
case TOKEN_DEFINE:
{
pp_symbol *symbol = NULL;
- slang_string replacement;
- expand_state es;
/* Parse macro name. */
id = (const char *) (&prod[i]);
@@ -1061,21 +1059,25 @@ preprocess_source (slang_string *output, const char *source,
id = (const char *) (&prod[i]);
idlen = _mesa_strlen (id);
if (state.cond.top->effective) {
+ slang_string replacement;
+ expand_state es;
+
pp_annotate (output, ") %s", id);
- }
- slang_string_init(&replacement);
- slang_string_pushs(&replacement, id, idlen);
- i += idlen + 1;
- /* Expand macro replacement. */
- es.output = &symbol->replacement;
- es.input = slang_string_cstr(&replacement);
- es.state = &state;
- if (!expand(&es, &state.symbols)) {
+ slang_string_init(&replacement);
+ slang_string_pushs(&replacement, id, idlen);
+
+ /* Expand macro replacement. */
+ es.output = &symbol->replacement;
+ es.input = slang_string_cstr(&replacement);
+ es.state = &state;
+ if (!expand(&es, &state.symbols)) {
+ slang_string_free(&replacement);
+ goto error;
+ }
slang_string_free(&replacement);
- goto error;
}
- slang_string_free(&replacement);
+ i += idlen + 1;
}
break;
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