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472524413d
There's not yet any change in functionality here, (at least according to the test suite). But we now have the option of specifying a type for each string in the token list. This will allow us to finalize an unexpanded macro name so that it won't be subjected to excess expansion later.
144 lines
3.5 KiB
C
144 lines
3.5 KiB
C
/*
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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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#ifndef GLCPP_H
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#define GLCPP_H
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#include <talloc.h>
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#include "hash_table.h"
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#define yyscan_t void*
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/* Some data types used for parser values. */
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typedef struct string_node {
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const char *str;
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struct string_node *next;
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} string_node_t;
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typedef struct string_list {
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string_node_t *head;
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string_node_t *tail;
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} string_list_t;
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typedef struct token_node {
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int type;
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const char *value;
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struct token_node *next;
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} token_node_t;
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typedef struct token_list {
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token_node_t *head;
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token_node_t *tail;
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} token_list_t;
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typedef struct argument_node {
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token_list_t *argument;
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struct argument_node *next;
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} argument_node_t;
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typedef struct argument_list {
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argument_node_t *head;
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argument_node_t *tail;
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} argument_list_t;
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typedef struct glcpp_parser glcpp_parser_t;
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typedef enum {
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TOKEN_CLASS_ARGUMENT,
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TOKEN_CLASS_IDENTIFIER,
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TOKEN_CLASS_FUNC_MACRO,
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TOKEN_CLASS_OBJ_MACRO
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} token_class_t;
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token_class_t
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glcpp_parser_classify_token (glcpp_parser_t *parser,
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const char *identifier,
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int *parameter_index);
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typedef struct {
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int is_function;
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string_list_t *parameters;
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const char *identifier;
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token_list_t *replacements;
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} macro_t;
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typedef struct expansion_node {
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macro_t *macro;
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argument_list_t *arguments;
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token_node_t *replacements;
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struct expansion_node *next;
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} expansion_node_t;
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struct glcpp_parser {
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yyscan_t scanner;
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struct hash_table *defines;
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expansion_node_t *expansions;
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};
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void
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glcpp_parser_push_expansion_argument (glcpp_parser_t *parser,
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int argument_index);
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glcpp_parser_t *
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glcpp_parser_create (void);
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int
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glcpp_parser_parse (glcpp_parser_t *parser);
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void
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glcpp_parser_destroy (glcpp_parser_t *parser);
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/* Generated by glcpp-lex.l to glcpp-lex.c */
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int
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glcpp_lex_init_extra (glcpp_parser_t *parser, yyscan_t* scanner);
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int
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glcpp_lex (yyscan_t scanner);
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int
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glcpp_lex_destroy (yyscan_t scanner);
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/* Generated by glcpp-parse.y to glcpp-parse.c */
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int
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yyparse (glcpp_parser_t *parser);
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/* xtalloc - wrappers around talloc to check for out-of-memory */
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#define xtalloc(ctx, type) (type *)xtalloc_named_const(ctx, sizeof(type), #type)
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#define xtalloc_size(ctx, size) xtalloc_named_const(ctx, size, __location__)
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void *
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xtalloc_named_const (const void *context, size_t size, const char *name);
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char *
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xtalloc_strdup (const void *t, const char *p);
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char *
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xtalloc_strndup (const void *t, const char *p, size_t n);
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#endif
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