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 #ifndef GLCPP_H 25 #define GLCPP_H 26 27 #include <stdint.h> 28 #include <stdbool.h> 29 30 #include "../ralloc.h" 31 32 #include "program/hash_table.h" 33 34 #define yyscan_t void* 35 36 /* Some data types used for parser values. */ 37 38 typedef struct string_node { 39 const char *str; 40 struct string_node *next; 41 } string_node_t; 42 43 typedef struct string_list { 44 string_node_t *head; 45 string_node_t *tail; 46 } string_list_t; 47 48 typedef struct token token_t; 49 typedef struct token_list token_list_t; 50 51 typedef union YYSTYPE 52 { 53 intmax_t ival; 54 char *str; 55 string_list_t *string_list; 56 token_t *token; 57 token_list_t *token_list; 58 } YYSTYPE; 59 60 # define YYSTYPE_IS_TRIVIAL 1 61 # define YYSTYPE_IS_DECLARED 1 62 63 typedef struct YYLTYPE { 64 int first_line; 65 int first_column; 66 int last_line; 67 int last_column; 68 unsigned source; 69 } YYLTYPE; 70 # define YYLTYPE_IS_DECLARED 1 71 # define YYLTYPE_IS_TRIVIAL 1 72 73 # define YYLLOC_DEFAULT(Current, Rhs, N) \ 74 do { \ 75 if (N) \ 76 { \ 77 (Current).first_line = YYRHSLOC(Rhs, 1).first_line; \ 78 (Current).first_column = YYRHSLOC(Rhs, 1).first_column; \ 79 (Current).last_line = YYRHSLOC(Rhs, N).last_line; \ 80 (Current).last_column = YYRHSLOC(Rhs, N).last_column; \ 81 } \ 82 else \ 83 { \ 84 (Current).first_line = (Current).last_line = \ 85 YYRHSLOC(Rhs, 0).last_line; \ 86 (Current).first_column = (Current).last_column = \ 87 YYRHSLOC(Rhs, 0).last_column; \ 88 } \ 89 (Current).source = 0; \ 90 } while (0) 91 92 struct token { 93 int type; 94 YYSTYPE value; 95 YYLTYPE location; 96 }; 97 98 typedef struct token_node { 99 token_t *token; 100 struct token_node *next; 101 } token_node_t; 102 103 struct token_list { 104 token_node_t *head; 105 token_node_t *tail; 106 token_node_t *non_space_tail; 107 }; 108 109 typedef struct argument_node { 110 token_list_t *argument; 111 struct argument_node *next; 112 } argument_node_t; 113 114 typedef struct argument_list { 115 argument_node_t *head; 116 argument_node_t *tail; 117 } argument_list_t; 118 119 typedef struct glcpp_parser glcpp_parser_t; 120 121 typedef enum { 122 TOKEN_CLASS_IDENTIFIER, 123 TOKEN_CLASS_IDENTIFIER_FINALIZED, 124 TOKEN_CLASS_FUNC_MACRO, 125 TOKEN_CLASS_OBJ_MACRO 126 } token_class_t; 127 128 token_class_t 129 glcpp_parser_classify_token (glcpp_parser_t *parser, 130 const char *identifier, 131 int *parameter_index); 132 133 typedef struct { 134 int is_function; 135 string_list_t *parameters; 136 const char *identifier; 137 token_list_t *replacements; 138 } macro_t; 139 140 typedef struct expansion_node { 141 macro_t *macro; 142 token_node_t *replacements; 143 struct expansion_node *next; 144 } expansion_node_t; 145 146 typedef enum skip_type { 147 SKIP_NO_SKIP, 148 SKIP_TO_ELSE, 149 SKIP_TO_ENDIF 150 } skip_type_t; 151 152 typedef struct skip_node { 153 skip_type_t type; 154 YYLTYPE loc; /* location of the initial #if/#elif/... */ 155 struct skip_node *next; 156 } skip_node_t; 157 158 typedef struct active_list { 159 const char *identifier; 160 token_node_t *marker; 161 struct active_list *next; 162 } active_list_t; 163 164 struct glcpp_parser { 165 yyscan_t scanner; 166 struct hash_table *defines; 167 active_list_t *active; 168 int lexing_if; 169 int space_tokens; 170 int newline_as_space; 171 int in_control_line; 172 int paren_count; 173 skip_node_t *skip_stack; 174 token_list_t *lex_from_list; 175 token_node_t *lex_from_node; 176 char *output; 177 char *info_log; 178 size_t output_length; 179 size_t info_log_length; 180 int error; 181 bool has_new_line_number; 182 int new_line_number; 183 bool has_new_source_number; 184 int new_source_number; 185 }; 186 187 struct gl_extensions; 188 189 glcpp_parser_t * 190 glcpp_parser_create (const struct gl_extensions *extensions, int api); 191 192 int 193 glcpp_parser_parse (glcpp_parser_t *parser); 194 195 void 196 glcpp_parser_destroy (glcpp_parser_t *parser); 197 198 int 199 glcpp_preprocess(void *ralloc_ctx, const char **shader, char **info_log, 200 const struct gl_extensions *extensions, int api); 201 202 /* Functions for writing to the info log */ 203 204 void 205 glcpp_error (YYLTYPE *locp, glcpp_parser_t *parser, const char *fmt, ...); 206 207 void 208 glcpp_warning (YYLTYPE *locp, glcpp_parser_t *parser, const char *fmt, ...); 209 210 /* Generated by glcpp-lex.l to glcpp-lex.c */ 211 212 int 213 glcpp_lex_init_extra (glcpp_parser_t *parser, yyscan_t* scanner); 214 215 void 216 glcpp_lex_set_source_string(glcpp_parser_t *parser, const char *shader); 217 218 int 219 glcpp_lex (YYSTYPE *lvalp, YYLTYPE *llocp, yyscan_t scanner); 220 221 int 222 glcpp_lex_destroy (yyscan_t scanner); 223 224 /* Generated by glcpp-parse.y to glcpp-parse.c */ 225 226 int 227 yyparse (glcpp_parser_t *parser); 228 229 #endif 230
