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_process.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_process.c')
-rw-r--r-- | src/glsl/pp/sl_pp_process.c | 327 |
1 files changed, 327 insertions, 0 deletions
diff --git a/src/glsl/pp/sl_pp_process.c b/src/glsl/pp/sl_pp_process.c new file mode 100644 index 0000000000..f89986dd8e --- /dev/null +++ b/src/glsl/pp/sl_pp_process.c @@ -0,0 +1,327 @@ +/************************************************************************** + * + * 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_context.h" +#include "sl_pp_process.h" +#include "sl_pp_public.h" + + +int +sl_pp_process_out(struct sl_pp_process_state *state, + const struct sl_pp_token_info *token) +{ + if (state->out_len >= state->out_max) { + unsigned int new_max = state->out_max; + + if (new_max < 0x100) { + new_max = 0x100; + } else if (new_max < 0x10000) { + new_max *= 2; + } else { + new_max += 0x10000; + } + + state->out = realloc(state->out, new_max * sizeof(struct sl_pp_token_info)); + if (!state->out) { + return -1; + } + state->out_max = new_max; + } + + state->out[state->out_len++] = *token; + return 0; +} + +int +sl_pp_process_get(struct sl_pp_context *context, + struct sl_pp_token_info *output) +{ + if (!context->process_state.out) { + if (context->line > 1) { + struct sl_pp_token_info ti; + + ti.token = SL_PP_LINE; + ti.data.line.lineno = context->line - 1; + ti.data.line.fileno = context->file; + if (sl_pp_process_out(&context->process_state, &ti)) { + strcpy(context->error_msg, "out of memory"); + return -1; + } + + ti.token = SL_PP_NEWLINE; + if (sl_pp_process_out(&context->process_state, &ti)) { + strcpy(context->error_msg, "out of memory"); + return -1; + } + } + } + + for (;;) { + struct sl_pp_token_info input; + int found_eof = 0; + + if (context->process_state.out_len) { + *output = context->process_state.out[0]; + + if (context->process_state.out_len > 1) { + unsigned int i; + + for (i = 1; i < context->process_state.out_len; i++) { + context->process_state.out[i - 1] = context->process_state.out[i]; + } + } + context->process_state.out_len--; + + return 0; + } + + if (sl_pp_token_buffer_skip_white(&context->tokens, &input)) { + return -1; + } + if (input.token == SL_PP_HASH) { + if (sl_pp_token_buffer_skip_white(&context->tokens, &input)) { + return -1; + } + switch (input.token) { + case SL_PP_IDENTIFIER: + { + int name; + int found_eol = 0; + struct sl_pp_token_info endof; + struct sl_pp_token_peek peek; + int result = 0; + + /* Directive name. */ + name = input.data.identifier; + + if (sl_pp_token_buffer_skip_white(&context->tokens, &input)) { + return -1; + } + sl_pp_token_buffer_unget(&context->tokens, &input); + + if (sl_pp_token_peek_init(&peek, &context->tokens)) { + return -1; + } + + while (!found_eol) { + if (sl_pp_token_peek_get(&peek, &input)) { + sl_pp_token_peek_destroy(&peek); + return -1; + } + switch (input.token) { + case SL_PP_NEWLINE: + /* Preserve newline just for the sake of line numbering. */ + endof = input; + found_eol = 1; + break; + + case SL_PP_EOF: + endof = input; + found_eof = 1; + found_eol = 1; + break; + + default: + break; + } + } + + if (name == context->dict._if) { + struct sl_pp_token_buffer buffer; + + result = sl_pp_token_peek_to_buffer(&peek, &buffer); + if (result == 0) { + result = sl_pp_process_if(context, &buffer); + sl_pp_token_buffer_destroy(&buffer); + } + } else if (name == context->dict.ifdef) { + result = sl_pp_process_ifdef(context, peek.tokens, 0, peek.size - 1); + } else if (name == context->dict.ifndef) { + result = sl_pp_process_ifndef(context, peek.tokens, 0, peek.size - 1); + } else if (name == context->dict.elif) { + struct sl_pp_token_buffer buffer; + + result = sl_pp_token_peek_to_buffer(&peek, &buffer); + if (result == 0) { + result = sl_pp_process_elif(context, &buffer); + sl_pp_token_buffer_destroy(&buffer); + } + } else if (name == context->dict._else) { + result = sl_pp_process_else(context, peek.tokens, 0, peek.size - 1); + } else if (name == context->dict.endif) { + result = sl_pp_process_endif(context, peek.tokens, 0, peek.size - 1); + } else if (context->if_value) { + if (name == context->dict.define) { + result = sl_pp_process_define(context, peek.tokens, 0, peek.size - 1); + } else if (name == context->dict.error) { + sl_pp_process_error(context, peek.tokens, 0, peek.size - 1); + result = -1; + } else if (name == context->dict.extension) { + result = sl_pp_process_extension(context, peek.tokens, 0, peek.size - 1, &context->process_state); + } else if (name == context->dict.line) { + struct sl_pp_token_buffer buffer; + + result = sl_pp_token_peek_to_buffer(&peek, &buffer); + if (result == 0) { + result = sl_pp_process_line(context, &buffer, &context->process_state); + sl_pp_token_buffer_destroy(&buffer); + } + } else if (name == context->dict.pragma) { + result = sl_pp_process_pragma(context, peek.tokens, 0, peek.size - 1, &context->process_state); + } else if (name == context->dict.undef) { + result = sl_pp_process_undef(context, peek.tokens, 0, peek.size - 1); + } else { + strcpy(context->error_msg, "unrecognised directive name"); + result = -1; + } + } + + sl_pp_token_peek_commit(&peek); + sl_pp_token_peek_destroy(&peek); + + if (result) { + return result; + } + + if (sl_pp_process_out(&context->process_state, &endof)) { + strcpy(context->error_msg, "out of memory"); + return -1; + } + context->line++; + } + break; + + case SL_PP_NEWLINE: + /* Empty directive. */ + if (sl_pp_process_out(&context->process_state, &input)) { + strcpy(context->error_msg, "out of memory"); + return -1; + } + context->line++; + break; + + case SL_PP_EOF: + /* Empty directive. */ + if (sl_pp_process_out(&context->process_state, &input)) { + strcpy(context->error_msg, "out of memory"); + return -1; + } + found_eof = 1; + break; + + default: + strcpy(context->error_msg, "expected a directive name"); + return -1; + } + } else { + int found_eol = 0; + + sl_pp_token_buffer_unget(&context->tokens, &input); + + while (!found_eol) { + if (sl_pp_token_buffer_get(&context->tokens, &input)) { + return -1; + } + + switch (input.token) { + case SL_PP_WHITESPACE: + /* Drop whitespace all together at this point. */ + break; + + case SL_PP_NEWLINE: + /* Preserve newline just for the sake of line numbering. */ + if (sl_pp_process_out(&context->process_state, &input)) { + strcpy(context->error_msg, "out of memory"); + return -1; + } + context->line++; + found_eol = 1; + break; + + case SL_PP_EOF: + if (sl_pp_process_out(&context->process_state, &input)) { + strcpy(context->error_msg, "out of memory"); + return -1; + } + found_eof = 1; + found_eol = 1; + break; + + case SL_PP_IDENTIFIER: + sl_pp_token_buffer_unget(&context->tokens, &input); + if (sl_pp_macro_expand(context, &context->tokens, NULL, &context->process_state, + context->if_value ? sl_pp_macro_expand_normal : sl_pp_macro_expand_mute)) { + return -1; + } + break; + + default: + if (context->if_value) { + if (sl_pp_process_out(&context->process_state, &input)) { + strcpy(context->error_msg, "out of memory"); + return -1; + } + } + } + } + } + + if (found_eof) { + if (context->if_ptr != SL_PP_MAX_IF_NESTING) { + strcpy(context->error_msg, "expected `#endif' directive"); + return -1; + } + } + } +} + +int +sl_pp_process(struct sl_pp_context *context, + struct sl_pp_token_info **output) +{ + struct sl_pp_process_state state; + + memset(&state, 0, sizeof(state)); + for (;;) { + struct sl_pp_token_info input; + + if (sl_pp_process_get(context, &input)) { + free(state.out); + return -1; + } + if (sl_pp_process_out(&state, &input)) { + free(state.out); + return -1; + } + if (input.token == SL_PP_EOF) { + *output = state.out; + return 0; + } + } +} |