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|
/*
+----------------------------------------------------------------------+
| PHP HTML Embedded Scripting Language Version 3.0 |
+----------------------------------------------------------------------+
| Copyright (c) 1997-2000 PHP Development Team (See Credits file) |
+----------------------------------------------------------------------+
| This program is free software; you can redistribute it and/or modify |
| it under the terms of one of the following licenses: |
| |
| A) the GNU General Public License as published by the Free Software |
| Foundation; either version 2 of the License, or (at your option) |
| any later version. |
| |
| B) the PHP License as published by the PHP Development Team and |
| included in the distribution in the file: LICENSE |
| |
| This program is distributed in the hope that it will be useful, |
| but WITHOUT ANY WARRANTY; without even the implied warranty of |
| MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| GNU General Public License for more details. |
| |
| You should have received a copy of both licenses referred to here. |
| If you did not, or have any questions about PHP licensing, please |
| contact core@php.net. |
+----------------------------------------------------------------------+
| Authors: Andi Gutmans <andi@zend.com> |
| Zeev Suraski <zeev@zend.com> |
+----------------------------------------------------------------------+
*/
/* $Id: token_cache.h,v 1.38 2000/04/10 19:29:36 andi Exp $ */
#ifndef _TOKEN_CACHE
#define _TOKEN_CACHE
typedef struct {
pval phplval;
int token_type;
unsigned int lineno;
} Token;
typedef struct {
Token *tokens; /* tokens array */
int count; /* token count */
int pos; /* current position in the tokens array */
int max_tokens; /* (current) max tokens number (respectively) */
int block_size; /* token block size */
} TokenCache;
typedef struct {
TokenCache *token_caches;
int active;
int max;
int initialized;
} TokenCacheManager;
#define TOKEN_CACHE_BLOCK_SIZE 8192
#define TOKEN_CACHE_EVAL_BLOCK_SIZE 32
#define TOKEN_CACHE_INCLUDE_BLOCK_SIZE 512
#define TOKEN_CACHES_BLOCK_SIZE 4
#define TOKEN_BITS 20
#define TC_BITS ((sizeof(int))*8-TOKEN_BITS)
#define TC_OFFSET(token_number) (token_number>>TOKEN_BITS)
#define TOKEN_OFFSET(token_number) (token_number & ((1<<TOKEN_BITS)-1))
#define FILE_OFFSET TC_OFFSET
#define LINE_OFFSET TOKEN_OFFSET
extern int tcm_init(TokenCacheManager *tcm);
extern int tc_init(TokenCache *tc,int block_size);
extern int read_next_token(TokenCacheManager *tcm, Token **token, pval *phplval);
extern int seek_token(TokenCacheManager *tcm, int offset, int *yychar);
extern int tc_switch(TokenCacheManager *tcm, int start, int end, int middle);
extern inline int tc_set_token(TokenCacheManager *tcm, int offset, int type);
extern inline int tc_get_token(TokenCacheManager *tcm, int offset);
extern inline int tc_set_switched(TokenCacheManager *tcm, int offset);
extern inline int tc_set_included(TokenCacheManager *tcm, int offset);
extern int tc_get_current_offset(TokenCacheManager *tcm);
extern int tc_destroy(TokenCache *tc);
extern void tcm_destroy(TokenCacheManager *tcm);
extern int tcm_new(TokenCacheManager *tcm, int block_size);
extern void tcm_save(TokenCacheManager *tcm);
#if FHTTPD
extern int tcm_load(TokenCacheManager *tcm, FILE *input);
#else
extern int tcm_load(TokenCacheManager *tcm);
#endif
extern void clear_lookahead(int *yychar);
extern inline int last_token_suggests_variable_reference(void);
#endif
|
