/*
   +----------------------------------------------------------------------+
   | Zend Engine                                                          |
   +----------------------------------------------------------------------+
   | Copyright (c) 1998-2010 Zend Technologies Ltd. (http://www.zend.com) |
   +----------------------------------------------------------------------+
   | This source file is subject to version 2.00 of the Zend license,     |
   | that is bundled with this package in the file LICENSE, and is        | 
   | available through the world-wide-web at the following url:           |
   | http://www.zend.com/license/2_00.txt.                                |
   | If you did not receive a copy of the Zend license and are unable to  |
   | obtain it through the world-wide-web, please send a note to          |
   | license@zend.com so we can mail you a copy immediately.              |
   +----------------------------------------------------------------------+
   | Authors: Andi Gutmans <andi@zend.com>                                |
   |          Zeev Suraski <zeev@zend.com>                                |
   +----------------------------------------------------------------------+
*/

/* $Id$ */

#ifndef ZEND_CONSTANTS_H
#define ZEND_CONSTANTS_H

#include "zend_globals.h"

#define CONST_CS				(1<<0)				/* Case Sensitive */
#define CONST_PERSISTENT		(1<<1)				/* Persistent */
#define CONST_CT_SUBST			(1<<2)				/* Allow compile-time substitution */

#define	PHP_USER_CONSTANT INT_MAX	/* a constant defined in user space */

typedef struct _zend_constant {
	zval value;
	int flags;
	char *name;
	uint name_len;
	int module_number;
} zend_constant;

#define REGISTER_LONG_CONSTANT(name, lval, flags)  zend_register_long_constant((name), sizeof(name), (lval), (flags), module_number TSRMLS_CC)
#define REGISTER_DOUBLE_CONSTANT(name, dval, flags)  zend_register_double_constant((name), sizeof(name), (dval), (flags), module_number TSRMLS_CC)
#define REGISTER_STRING_CONSTANT(name, str, flags)  zend_register_string_constant((name), sizeof(name), (str), (flags), module_number TSRMLS_CC)
#define REGISTER_STRINGL_CONSTANT(name, str, len, flags)  zend_register_stringl_constant((name), sizeof(name), (str), (len), (flags), module_number TSRMLS_CC)

#define REGISTER_MAIN_LONG_CONSTANT(name, lval, flags)  zend_register_long_constant((name), sizeof(name), (lval), (flags), 0 TSRMLS_CC)
#define REGISTER_MAIN_DOUBLE_CONSTANT(name, dval, flags)  zend_register_double_constant((name), sizeof(name), (dval), (flags), 0 TSRMLS_CC)
#define REGISTER_MAIN_STRING_CONSTANT(name, str, flags)  zend_register_string_constant((name), sizeof(name), (str), (flags), 0 TSRMLS_CC)
#define REGISTER_MAIN_STRINGL_CONSTANT(name, str, len, flags)  zend_register_stringl_constant((name), sizeof(name), (str), (len), (flags), 0 TSRMLS_CC)

BEGIN_EXTERN_C()
void clean_module_constants(int module_number TSRMLS_DC);
void free_zend_constant(zend_constant *c);
int zend_startup_constants(TSRMLS_D);
int zend_shutdown_constants(TSRMLS_D);
void zend_register_standard_constants(TSRMLS_D);
void clean_non_persistent_constants(TSRMLS_D);
ZEND_API int zend_get_constant(char *name, uint name_len, zval *result TSRMLS_DC);
ZEND_API int zend_get_constant_ex(char *name, uint name_len, zval *result, zend_class_entry *scope TSRMLS_DC);
ZEND_API void zend_register_long_constant(char *name, uint name_len, long lval, int flags, int module_number TSRMLS_DC);
ZEND_API void zend_register_double_constant(char *name, uint name_len, double dval, int flags, int module_number TSRMLS_DC);
ZEND_API void zend_register_string_constant(char *name, uint name_len, char *strval, int flags, int module_number TSRMLS_DC);
ZEND_API void zend_register_stringl_constant(char *name, uint name_len, char *strval, uint strlen, int flags, int module_number TSRMLS_DC);
ZEND_API int zend_register_constant(zend_constant *c TSRMLS_DC);
void zend_copy_constants(HashTable *target, HashTable *sourc);
void copy_zend_constant(zend_constant *c);
END_EXTERN_C()

#define ZEND_CONSTANT_DTOR (void (*)(void *)) free_zend_constant

#endif

/*
 * Local variables:
 * tab-width: 4
 * c-basic-offset: 4
 * indent-tabs-mode: t
 * End:
 */