From 65ce50897eb8d7547e4ef1cc1edf82a03e4a697d Mon Sep 17 00:00:00 2001 From: Michal Krol Date: Fri, 15 Apr 2005 10:21:34 +0000 Subject: slang preprocessor --- src/mesa/shader/slang/slang_preprocess.c | 81 ++++++++++++++++++++++++++++++++ src/mesa/shader/slang/slang_preprocess.h | 39 +++++++++++++++ 2 files changed, 120 insertions(+) create mode 100644 src/mesa/shader/slang/slang_preprocess.c create mode 100644 src/mesa/shader/slang/slang_preprocess.h 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; +} + diff --git a/src/mesa/shader/slang/slang_preprocess.h b/src/mesa/shader/slang/slang_preprocess.h new file mode 100644 index 0000000000..7901e78580 --- /dev/null +++ b/src/mesa/shader/slang/slang_preprocess.h @@ -0,0 +1,39 @@ +/* + * 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. + */ + +#if !defined SLANG_PREPROCESS_H +#define SLANG_PREPROCESS_H + +#if defined __cplusplus +extern "C" { +#endif + +int _slang_preprocess_version (const char *, unsigned int *, unsigned int *, slang_info_log *); + +#ifdef __cplusplus +} +#endif + +#endif + -- cgit v1.2.3