slang preprocessor

diff --git a/src/mesa/shader/slang/slang_preprocess.c b/src/mesa/shader/slang/slang_preprocess.c
new file mode 100644 (file)
index 0000000..b9c7a9e
--- /dev/null
+++ b/src/mesa/shader/slang/slang_preprocess.c
@@ -0,0 +1,81 @@
+/*\r
+ * Mesa 3-D graphics library\r
+ * Version:  6.3\r
+ *\r
+ * Copyright (C) 2005  Brian Paul   All Rights Reserved.\r
+ *\r
+ * Permission is hereby granted, free of charge, to any person obtaining a\r
+ * copy of this software and associated documentation files (the "Software"),\r
+ * to deal in the Software without restriction, including without limitation\r
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,\r
+ * and/or sell copies of the Software, and to permit persons to whom the\r
+ * Software is furnished to do so, subject to the following conditions:\r
+ *\r
+ * The above copyright notice and this permission notice shall be included\r
+ * in all copies or substantial portions of the Software.\r
+ *\r
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS\r
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\r
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL\r
+ * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN\r
+ * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN\r
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.\r
+ */\r
+\r
+/**\r
+ * \file slang_preprocess.c\r
+ * slang preprocessor\r
+ * \author Michal Krol\r
+ */\r
+\r
+#include "imports.h" \r
+#include "slang_compile.h"\r
+#include "grammar_mesa.h"\r
+#include "slang_preprocess.h"\r
+\r
+static const char *slang_version_syn =\r
+#include "library/slang_version_syn.h"\r
+;\r
+\r
+int _slang_preprocess_version (const char *text, unsigned int *version, unsigned int *eaten,\r
+       slang_info_log *log)\r
+{\r
+       grammar id;\r
+       byte *prod, *I;\r
+       unsigned int size;\r
+\r
+       id = grammar_load_from_text ((const byte *) slang_version_syn);\r
+       if (id == 0)\r
+       {\r
+               char buf[1024];\r
+               unsigned int pos;\r
+               grammar_get_last_error (buf, 1024, &pos);\r
+               slang_info_log_error (log, buf);\r
+               return 0;\r
+       }\r
+\r
+       if (!grammar_fast_check (id, (const byte *) text, &prod, &size, 8))\r
+       {\r
+               char buf[1024];\r
+               unsigned int pos;\r
+               grammar_get_last_error (buf, 1024, &pos);\r
+               slang_info_log_error (log, buf);\r
+               grammar_destroy (id);\r
+               return 0;\r
+       }\r
+\r
+       grammar_destroy (id);\r
+\r
+       I = prod;\r
+       while (I < prod + size)\r
+       {\r
+               *version = (unsigned int) I[0] + (unsigned int) I[1] * 100;\r
+               *eaten = (unsigned int) I[2] + ((unsigned int) I[3] << 8) +\r
+                       ((unsigned int) I[4] << 16) + ((unsigned int) I[5] << 24);\r
+               I += 6;\r
+       }\r
+\r
+       grammar_alloc_free (prod);\r
+       return 1;\r
+}\r
+\r

diff --git a/src/mesa/shader/slang/slang_preprocess.h b/src/mesa/shader/slang/slang_preprocess.h
new file mode 100644 (file)
index 0000000..7901e78
--- /dev/null
+++ b/src/mesa/shader/slang/slang_preprocess.h
@@ -0,0 +1,39 @@
+/*\r
+ * Mesa 3-D graphics library\r
+ * Version:  6.3\r
+ *\r
+ * Copyright (C) 2005  Brian Paul   All Rights Reserved.\r
+ *\r
+ * Permission is hereby granted, free of charge, to any person obtaining a\r
+ * copy of this software and associated documentation files (the "Software"),\r
+ * to deal in the Software without restriction, including without limitation\r
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,\r
+ * and/or sell copies of the Software, and to permit persons to whom the\r
+ * Software is furnished to do so, subject to the following conditions:\r
+ *\r
+ * The above copyright notice and this permission notice shall be included\r
+ * in all copies or substantial portions of the Software.\r
+ *\r
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS\r
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\r
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL\r
+ * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN\r
+ * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN\r
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.\r
+ */\r
+\r
+#if !defined SLANG_PREPROCESS_H\r
+#define SLANG_PREPROCESS_H\r
+\r
+#if defined __cplusplus\r
+extern "C" {\r
+#endif\r
+\r
+int _slang_preprocess_version (const char *, unsigned int *, unsigned int *, slang_info_log *);\r
+\r
+#ifdef __cplusplus\r
+}\r
+#endif\r
+\r
+#endif\r
+\r