diff options
| author | Michal Krol <mjkrol@gmail.org> | 2005-04-15 10:21:34 +0000 |
|---|---|---|
| committer | Michal Krol <mjkrol@gmail.org> | 2005-04-15 10:21:34 +0000 |
| commit | 65ce50897eb8d7547e4ef1cc1edf82a03e4a697d (patch) | |
| tree | 3fb42f5d0c6258d52331a2acb4e01e76f4ca4679 /src/mesa/shader/slang/slang_preprocess.c | |
| parent | 885566448995ec186ffe65bb336bf8c5516c0f19 (diff) | |
slang preprocessor
Diffstat (limited to 'src/mesa/shader/slang/slang_preprocess.c')
| -rw-r--r-- | src/mesa/shader/slang/slang_preprocess.c | 81 |
1 files changed, 81 insertions, 0 deletions
diff --git a/src/mesa/shader/slang/slang_preprocess.c b/src/mesa/shader/slang/slang_preprocess.c new file mode 100644 index 0000000000..b9c7a9efce --- /dev/null +++ b/src/mesa/shader/slang/slang_preprocess.c @@ -0,0 +1,81 @@ +/*
+ * Mesa 3-D graphics library
+ * Version: 6.3
+ *
+ * Copyright (C) 2005 Brian Paul All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included
+ * in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
+ * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+/**
+ * \file slang_preprocess.c
+ * slang preprocessor
+ * \author Michal Krol
+ */
+
+#include "imports.h"
+#include "slang_compile.h"
+#include "grammar_mesa.h"
+#include "slang_preprocess.h"
+
+static const char *slang_version_syn =
+#include "library/slang_version_syn.h"
+;
+
+int _slang_preprocess_version (const char *text, unsigned int *version, unsigned int *eaten,
+ slang_info_log *log)
+{
+ grammar id;
+ byte *prod, *I;
+ unsigned int size;
+
+ id = grammar_load_from_text ((const byte *) slang_version_syn);
+ if (id == 0)
+ {
+ char buf[1024];
+ unsigned int pos;
+ grammar_get_last_error (buf, 1024, &pos);
+ slang_info_log_error (log, buf);
+ return 0;
+ }
+
+ if (!grammar_fast_check (id, (const byte *) text, &prod, &size, 8))
+ {
+ char buf[1024];
+ unsigned int pos;
+ grammar_get_last_error (buf, 1024, &pos);
+ slang_info_log_error (log, buf);
+ grammar_destroy (id);
+ return 0;
+ }
+
+ grammar_destroy (id);
+
+ I = prod;
+ while (I < prod + size)
+ {
+ *version = (unsigned int) I[0] + (unsigned int) I[1] * 100;
+ *eaten = (unsigned int) I[2] + ((unsigned int) I[3] << 8) +
+ ((unsigned int) I[4] << 16) + ((unsigned int) I[5] << 24);
+ I += 6;
+ }
+
+ grammar_alloc_free (prod);
+ return 1;
+}
+
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