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author | marha <marha@users.sourceforge.net> | 2010-11-29 22:05:53 +0000 |
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committer | marha <marha@users.sourceforge.net> | 2010-11-29 22:05:53 +0000 |
commit | fed109d6a33c0871291d1bb2f3f6b7a3d1a3e9d7 (patch) | |
tree | fa1ba494685a71e28a096990a8707680c7cb378b /mesalib/src/glsl/pp/sl_pp_define.c | |
parent | ae340911c1ba1f98b418bd8f1a487fa4d79491b0 (diff) | |
parent | 6fda93be42ace9eeab0e82ceebb6798961c9105c (diff) | |
download | vcxsrv-fed109d6a33c0871291d1bb2f3f6b7a3d1a3e9d7.tar.gz vcxsrv-fed109d6a33c0871291d1bb2f3f6b7a3d1a3e9d7.tar.bz2 vcxsrv-fed109d6a33c0871291d1bb2f3f6b7a3d1a3e9d7.zip |
svn merge ^/branches/released .
Diffstat (limited to 'mesalib/src/glsl/pp/sl_pp_define.c')
-rw-r--r-- | mesalib/src/glsl/pp/sl_pp_define.c | 238 |
1 files changed, 0 insertions, 238 deletions
diff --git a/mesalib/src/glsl/pp/sl_pp_define.c b/mesalib/src/glsl/pp/sl_pp_define.c deleted file mode 100644 index 808a6a0d4..000000000 --- a/mesalib/src/glsl/pp/sl_pp_define.c +++ /dev/null @@ -1,238 +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" - - -static void -skip_whitespace(const struct sl_pp_token_info *input, - unsigned int *first, - unsigned int last) -{ - while (*first < last && input[*first].token == SL_PP_WHITESPACE) { - (*first)++; - } -} - - -static int -_parse_formal_args(struct sl_pp_context *context, - const struct sl_pp_token_info *input, - unsigned int *first, - unsigned int last, - struct sl_pp_macro *macro) -{ - struct sl_pp_macro_formal_arg **arg; - - macro->num_args = 0; - - skip_whitespace(input, first, last); - if (*first < last) { - if (input[*first].token == SL_PP_RPAREN) { - (*first)++; - return 0; - } - } else { - strcpy(context->error_msg, "expected either macro formal argument or `)'"); - return -1; - } - - arg = ¯o->arg; - - for (;;) { - if (*first < last && input[*first].token != SL_PP_IDENTIFIER) { - strcpy(context->error_msg, "expected macro formal argument"); - return -1; - } - - *arg = malloc(sizeof(struct sl_pp_macro_formal_arg)); - if (!*arg) { - strcpy(context->error_msg, "out of memory"); - return -1; - } - - (**arg).name = input[*first].data.identifier; - (*first)++; - - (**arg).next = NULL; - arg = &(**arg).next; - - macro->num_args++; - - skip_whitespace(input, first, last); - if (*first < last) { - if (input[*first].token == SL_PP_COMMA) { - (*first)++; - skip_whitespace(input, first, last); - } else if (input[*first].token == SL_PP_RPAREN) { - (*first)++; - return 0; - } else { - strcpy(context->error_msg, "expected either `,' or `)'"); - return -1; - } - } else { - strcpy(context->error_msg, "expected either `,' or `)'"); - return -1; - } - } - - /* Should not gete here. */ -} - - -int -sl_pp_process_define(struct sl_pp_context *context, - const struct sl_pp_token_info *input, - unsigned int first, - unsigned int last) -{ - int macro_name = -1; - struct sl_pp_macro *macro; - unsigned int i; - unsigned int body_len; - unsigned int j; - - if (first < last && input[first].token == SL_PP_IDENTIFIER) { - macro_name = input[first].data.identifier; - first++; - } - if (macro_name == -1) { - strcpy(context->error_msg, "expected macro name"); - return -1; - } - - /* Check for reserved macro names */ - { - const char *name = sl_pp_context_cstr(context, macro_name); - - if (strstr(name, "__")) { - strcpy(context->error_msg, "macro names containing `__' are reserved"); - return 1; - } - if (name[0] == 'G' && name[1] == 'L' && name[2] == '_') { - strcpy(context->error_msg, "macro names prefixed with `GL_' are reserved"); - return 1; - } - } - - for (macro = context->macro; macro; macro = macro->next) { - if (macro->name == macro_name) { - break; - } - } - - if (!macro) { - macro = sl_pp_macro_new(); - if (!macro) { - strcpy(context->error_msg, "out of memory"); - return -1; - } - - *context->macro_tail = macro; - context->macro_tail = ¯o->next; - } else { - sl_pp_macro_reset(macro); - } - - macro->name = macro_name; - - /* - * If there is no whitespace between macro name and left paren, a macro - * formal argument list follows. This is the only place where the presence - * of a whitespace matters and it's the only reason why we are dealing - * with whitespace at this level. - */ - if (first < last && input[first].token == SL_PP_LPAREN) { - first++; - if (_parse_formal_args(context, input, &first, last, macro)) { - return -1; - } - } - - /* Calculate body size, trim out whitespace, make room for EOF. */ - body_len = 1; - for (i = first; i < last; i++) { - if (input[i].token != SL_PP_WHITESPACE) { - body_len++; - } - } - - macro->body = malloc(sizeof(struct sl_pp_token_info) * body_len); - if (!macro->body) { - strcpy(context->error_msg, "out of memory"); - return -1; - } - - for (j = 0, i = first; i < last; i++) { - if (input[i].token != SL_PP_WHITESPACE) { - macro->body[j++] = input[i]; - } - } - macro->body[j++].token = SL_PP_EOF; - - return 0; -} - - -int -sl_pp_process_undef(struct sl_pp_context *context, - const struct sl_pp_token_info *input, - unsigned int first, - unsigned int last) -{ - int macro_name = -1; - struct sl_pp_macro **pmacro; - struct sl_pp_macro *macro; - - if (first < last && input[first].token == SL_PP_IDENTIFIER) { - macro_name = input[first].data.identifier; - } - if (macro_name == -1) { - return 0; - } - - for (pmacro = &context->macro; *pmacro; pmacro = &(**pmacro).next) { - if ((**pmacro).name == macro_name) { - break; - } - } - if (!*pmacro) { - return 0; - } - - macro = *pmacro; - *pmacro = macro->next; - macro->next = NULL; - sl_pp_macro_free(macro); - - return 0; -} |