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99 lines
2.2 KiB
Text
99 lines
2.2 KiB
Text
%{
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/*
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* Copyright © 2010 Intel Corporation
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice (including the next
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* paragraph) shall be included in all copies or substantial portions of the
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* Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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* DEALINGS IN THE SOFTWARE.
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include "glcpp.h"
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#define YYLEX_PARAM parser->scanner
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void
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yyerror (void *scanner, const char *error);
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%}
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%parse-param {glcpp_parser_t *parser}
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%lex-param {void *scanner}
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%token DEFINE
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%token DEFVAL
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%token IDENTIFIER
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%token TOKEN
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%%
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input: /* empty */
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| content
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;
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content: token
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| directive
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| content token
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| content directive
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;
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directive: DEFINE IDENTIFIER DEFVAL {
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hash_table_insert (parser->defines, $3, $2);
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}
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;
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token: TOKEN {
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char *value = hash_table_find (parser->defines, $1);
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if (value)
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printf ("%s", value);
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else
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printf ("%s", $1);
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free ($1);
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}
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;
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%%
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void
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yyerror (void *scanner, const char *error)
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{
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fprintf (stderr, "Parse error: %s\n", error);
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}
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void
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glcpp_parser_init (glcpp_parser_t *parser)
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{
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yylex_init (&parser->scanner);
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parser->defines = hash_table_ctor (32, hash_table_string_hash,
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hash_table_string_compare);
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}
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int
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glcpp_parser_parse (glcpp_parser_t *parser)
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{
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return yyparse (parser);
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}
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void
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glcpp_parser_fini (glcpp_parser_t *parser)
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{
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yylex_destroy (parser->scanner);
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hash_table_dtor (parser->defines);
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}
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