glsl_parser_extras.h

   1 /*
   2  * Copyright © 2010 Intel Corporation
   3  *
   4  * Permission is hereby granted, free of charge, to any person obtaining a
   5  * copy of this software and associated documentation files (the "Software"),
   6  * to deal in the Software without restriction, including without limitation
   7  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
   8  * and/or sell copies of the Software, and to permit persons to whom the
   9  * Software is furnished to do so, subject to the following conditions:
  10  *
  11  * The above copyright notice and this permission notice (including the next
  12  * paragraph) shall be included in all copies or substantial portions of the
  13  * Software.
  14  *
  15  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  16  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  17  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  18  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  19  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
  20  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
  21  * DEALINGS IN THE SOFTWARE.
  22  */
  23
  24 #pragma once
  25 #ifndef GLSL_PARSER_EXTRAS_H
  26 #define GLSL_PARSER_EXTRAS_H
  27
  28 #include <cstdlib>
  29 #include "main/simple_list.h"
  30
  31 enum _mesa_glsl_parser_targets {
  32    vertex_shader,
  33    geometry_shader,
  34    fragment_shader
  35 };
  36
  37 struct _mesa_glsl_parse_state {
  38    void *scanner;
  39    struct simple_node translation_unit;
  40    struct _mesa_symbol_table *symbols;
  41
  42    unsigned language_version;
  43    enum _mesa_glsl_parser_targets target;
  44
  45    /** Was there an error during compilation? */
  46    bool error;
  47 };
  48
  49 typedef struct YYLTYPE {
  50    int first_line;
  51    int first_column;
  52    int last_line;
  53    int last_column;
  54    unsigned source;
  55 } YYLTYPE;
  56 # define YYLTYPE_IS_DECLARED 1
  57 # define YYLTYPE_IS_TRIVIAL 1
  58
  59 extern void _mesa_glsl_error(YYLTYPE *locp, _mesa_glsl_parse_state *state,
  60                              const char *fmt, ...);
  61
  62 extern void _mesa_glsl_lexer_ctor(struct _mesa_glsl_parse_state *state,
  63                                   const char *string, size_t len);
  64
  65 extern void _mesa_glsl_lexer_dtor(struct _mesa_glsl_parse_state *state);
  66
  67 union YYSTYPE;
  68 extern int _mesa_glsl_lex(union YYSTYPE *yylval, YYLTYPE *yylloc,
  69                           void *scanner);
  70
  71 extern int _mesa_glsl_parse(struct _mesa_glsl_parse_state *);
  72
  73 #endif /* GLSL_PARSER_EXTRAS_H */