| /************************************************************************** |
| * |
| * 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" |
| |
| |
| int |
| sl_pp_process_pragma(struct sl_pp_context *context, |
| const struct sl_pp_token_info *input, |
| unsigned int first, |
| unsigned int last, |
| struct sl_pp_process_state *state) |
| { |
| int pragma_name = -1; |
| struct sl_pp_token_info out; |
| int arg_name = -1; |
| |
| if (first < last && input[first].token == SL_PP_IDENTIFIER) { |
| pragma_name = input[first].data.identifier; |
| first++; |
| } |
| if (pragma_name == -1) { |
| return 0; |
| } |
| |
| if (pragma_name == context->dict.optimize) { |
| out.token = SL_PP_PRAGMA_OPTIMIZE; |
| } else if (pragma_name == context->dict.debug) { |
| out.token = SL_PP_PRAGMA_DEBUG; |
| } else { |
| return 0; |
| } |
| |
| while (first < last && input[first].token == SL_PP_WHITESPACE) { |
| first++; |
| } |
| |
| if (first < last && input[first].token == SL_PP_LPAREN) { |
| first++; |
| } else { |
| return 0; |
| } |
| |
| while (first < last && input[first].token == SL_PP_WHITESPACE) { |
| first++; |
| } |
| |
| if (first < last && input[first].token == SL_PP_IDENTIFIER) { |
| arg_name = input[first].data.identifier; |
| first++; |
| } |
| if (arg_name == -1) { |
| return 0; |
| } |
| |
| if (arg_name == context->dict.off) { |
| out.data.pragma = 0; |
| } else if (arg_name == context->dict.on) { |
| out.data.pragma = 1; |
| } else { |
| return 0; |
| } |
| |
| while (first < last && input[first].token == SL_PP_WHITESPACE) { |
| first++; |
| } |
| |
| if (first < last && input[first].token == SL_PP_RPAREN) { |
| first++; |
| } else { |
| return 0; |
| } |
| |
| /* Ignore the tokens that follow. */ |
| |
| if (sl_pp_process_out(state, &out)) { |
| strcpy(context->error_msg, "out of memory"); |
| return -1; |
| } |
| |
| return 0; |
| } |