diff options
Diffstat (limited to 'mesalib/src/glsl/pp/sl_pp_process.c')
-rw-r--r-- | mesalib/src/glsl/pp/sl_pp_process.c | 328 |
1 files changed, 0 insertions, 328 deletions
diff --git a/mesalib/src/glsl/pp/sl_pp_process.c b/mesalib/src/glsl/pp/sl_pp_process.c deleted file mode 100644 index 315ad9bf1..000000000 --- a/mesalib/src/glsl/pp/sl_pp_process.c +++ /dev/null @@ -1,328 +0,0 @@ -/************************************************************************** - * - * 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) { - assert(context->process_state.out); - *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; - } - } -} |