diff options
author | José Fonseca <jfonseca@vmware.com> | 2010-01-08 15:42:57 +0000 |
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committer | José Fonseca <jfonseca@vmware.com> | 2010-01-08 15:42:57 +0000 |
commit | 080c40ab32b2abd6d8381b4a0cc143d36a1652b2 (patch) | |
tree | e173767ebc5a82d81b9fc086449d915e29348976 /src/glsl/pp/sl_pp_version.c | |
parent | 9cdf6f025b2ed55cfb13dd09f870f01d0c7947d3 (diff) | |
parent | a1de400e8de06a80ab140bb0fa950e990607572d (diff) |
Merge remote branch 'origin/master' into lp-binning
Conflicts:
src/gallium/auxiliary/util/u_surface.c
src/gallium/drivers/llvmpipe/Makefile
src/gallium/drivers/llvmpipe/SConscript
src/gallium/drivers/llvmpipe/lp_bld_arit.c
src/gallium/drivers/llvmpipe/lp_bld_flow.c
src/gallium/drivers/llvmpipe/lp_bld_interp.c
src/gallium/drivers/llvmpipe/lp_clear.c
src/gallium/drivers/llvmpipe/lp_context.c
src/gallium/drivers/llvmpipe/lp_context.h
src/gallium/drivers/llvmpipe/lp_draw_arrays.c
src/gallium/drivers/llvmpipe/lp_jit.c
src/gallium/drivers/llvmpipe/lp_jit.h
src/gallium/drivers/llvmpipe/lp_prim_vbuf.c
src/gallium/drivers/llvmpipe/lp_setup.c
src/gallium/drivers/llvmpipe/lp_setup_point.c
src/gallium/drivers/llvmpipe/lp_state.h
src/gallium/drivers/llvmpipe/lp_state_blend.c
src/gallium/drivers/llvmpipe/lp_state_derived.c
src/gallium/drivers/llvmpipe/lp_state_fs.c
src/gallium/drivers/llvmpipe/lp_state_sampler.c
src/gallium/drivers/llvmpipe/lp_state_surface.c
src/gallium/drivers/llvmpipe/lp_tex_cache.c
src/gallium/drivers/llvmpipe/lp_tex_cache.h
src/gallium/drivers/llvmpipe/lp_tex_sample.h
src/gallium/drivers/llvmpipe/lp_tile_cache.c
Diffstat (limited to 'src/glsl/pp/sl_pp_version.c')
-rw-r--r-- | src/glsl/pp/sl_pp_version.c | 161 |
1 files changed, 161 insertions, 0 deletions
diff --git a/src/glsl/pp/sl_pp_version.c b/src/glsl/pp/sl_pp_version.c new file mode 100644 index 0000000000..3c995b7750 --- /dev/null +++ b/src/glsl/pp/sl_pp_version.c @@ -0,0 +1,161 @@ +/************************************************************************** + * + * Copyright 2009 VMware, Inc. + * 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, sub license, 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 (including the + * next paragraph) 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 NON-INFRINGEMENT. + * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS 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. + * + **************************************************************************/ + +#include <stdlib.h> +#include <string.h> +#include "sl_pp_public.h" +#include "sl_pp_context.h" + + +int +sl_pp_version(struct sl_pp_context *context, + unsigned int *version) +{ + struct sl_pp_token_peek peek; + unsigned int line = context->line; + + /* Default values if `#version' is not present. */ + *version = 110; + + if (sl_pp_token_peek_init(&peek, &context->tokens)) { + return -1; + } + + /* There can be multiple `#version' directives present. + * Accept the value of the last one. + */ + for (;;) { + struct sl_pp_token_info input; + int found_hash = 0; + int found_version = 0; + int found_number = 0; + int found_end = 0; + + /* Skip whitespace and newlines and seek for hash. */ + while (!found_hash) { + if (sl_pp_token_peek_get(&peek, &input)) { + sl_pp_token_peek_destroy(&peek); + return -1; + } + + switch (input.token) { + case SL_PP_NEWLINE: + line++; + break; + + case SL_PP_WHITESPACE: + break; + + case SL_PP_HASH: + found_hash = 1; + break; + + default: + sl_pp_token_peek_destroy(&peek); + return 0; + } + } + + /* Skip whitespace and seek for `version'. */ + while (!found_version) { + if (sl_pp_token_peek_get(&peek, &input)) { + sl_pp_token_peek_destroy(&peek); + return -1; + } + + switch (input.token) { + case SL_PP_WHITESPACE: + break; + + case SL_PP_IDENTIFIER: + if (input.data.identifier != context->dict.version) { + sl_pp_token_peek_destroy(&peek); + return 0; + } + found_version = 1; + break; + + default: + sl_pp_token_peek_destroy(&peek); + return 0; + } + } + + sl_pp_token_peek_commit(&peek); + + /* Skip whitespace and seek for version number. */ + while (!found_number) { + if (sl_pp_token_buffer_get(&context->tokens, &input)) { + sl_pp_token_peek_destroy(&peek); + return -1; + } + + switch (input.token) { + case SL_PP_WHITESPACE: + break; + + case SL_PP_UINT: + *version = atoi(sl_pp_context_cstr(context, input.data._uint)); + found_number = 1; + break; + + default: + strcpy(context->error_msg, "expected version number after `#version'"); + sl_pp_token_peek_destroy(&peek); + return -1; + } + } + + /* Skip whitespace and seek for either newline or eof. */ + while (!found_end) { + if (sl_pp_token_buffer_get(&context->tokens, &input)) { + sl_pp_token_peek_destroy(&peek); + return -1; + } + + switch (input.token) { + case SL_PP_WHITESPACE: + break; + + case SL_PP_NEWLINE: + line++; + /* pass thru */ + case SL_PP_EOF: + context->line = line; + found_end = 1; + break; + + default: + strcpy(context->error_msg, "expected end of line after version number"); + sl_pp_token_peek_destroy(&peek); + return -1; + } + } + } + + /* Should not get here. */ +} |