/* +----------------------------------------------------------------------+ | Zend Engine | +----------------------------------------------------------------------+ | Copyright (c) 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@php.net> | | Zeev Suraski <zeev@php.net> | +----------------------------------------------------------------------+ */ #ifndef ZEND_CONSTANTS_H #define ZEND_CONSTANTS_H #include "zend_globals.h" #define CONST_CS 0 /* No longer used -- always case sensitive */ #define CONST_PERSISTENT (1<<0) /* Persistent */ #define CONST_NO_FILE_CACHE (1<<1) /* Can't be saved in file cache */ #define CONST_DEPRECATED (1<<2) /* Deprecated */ #define CONST_OWNED (1<<3) /* constant should be destroyed together with class */ #define CONST_RECURSIVE (1<<4) /* Recursion protection for constant evaluation */ #define CONST_IS_RECURSIVE(c) (Z_CONSTANT_FLAGS((c)->value) & CONST_RECURSIVE) #define CONST_PROTECT_RECURSION(c) \ do { \ Z_CONSTANT_FLAGS((c)->value) |= CONST_RECURSIVE; \ } while (0) #define CONST_UNPROTECT_RECURSION(c) \ do { \ Z_CONSTANT_FLAGS((c)->value) &= ~CONST_RECURSIVE; \ } while (0) #define PHP_USER_CONSTANT 0x7fffff /* a constant defined in user space */ typedef struct _zend_constant { zval value; zend_string *name; } zend_constant; #define ZEND_CONSTANT_FLAGS(c) \ (Z_CONSTANT_FLAGS((c)->value) & 0xff) #define ZEND_CONSTANT_MODULE_NUMBER(c) \ (Z_CONSTANT_FLAGS((c)->value) >> 8) #define ZEND_CONSTANT_SET_FLAGS(c, _flags, _module_number) do { \ Z_CONSTANT_FLAGS((c)->value) = \ ((_flags) & 0xff) | ((_module_number) << 8); \ } while (0) #define REGISTER_NULL_CONSTANT(name, flags) zend_register_null_constant((name), sizeof(name)-1, (flags), module_number) #define REGISTER_BOOL_CONSTANT(name, bval, flags) zend_register_bool_constant((name), sizeof(name)-1, (bval), (flags), module_number) #define REGISTER_LONG_CONSTANT(name, lval, flags) zend_register_long_constant((name), sizeof(name)-1, (lval), (flags), module_number) #define REGISTER_DOUBLE_CONSTANT(name, dval, flags) zend_register_double_constant((name), sizeof(name)-1, (dval), (flags), module_number) #define REGISTER_STRING_CONSTANT(name, str, flags) zend_register_string_constant((name), sizeof(name)-1, (str), (flags), module_number) #define REGISTER_STRINGL_CONSTANT(name, str, len, flags) zend_register_stringl_constant((name), sizeof(name)-1, (str), (len), (flags), module_number) #define REGISTER_NS_NULL_CONSTANT(ns, name, flags) zend_register_null_constant(ZEND_NS_NAME(ns, name), sizeof(ZEND_NS_NAME(ns, name))-1, (flags), module_number) #define REGISTER_NS_BOOL_CONSTANT(ns, name, bval, flags) zend_register_bool_constant(ZEND_NS_NAME(ns, name), sizeof(ZEND_NS_NAME(ns, name))-1, (bval), (flags), module_number) #define REGISTER_NS_LONG_CONSTANT(ns, name, lval, flags) zend_register_long_constant(ZEND_NS_NAME(ns, name), sizeof(ZEND_NS_NAME(ns, name))-1, (lval), (flags), module_number) #define REGISTER_NS_DOUBLE_CONSTANT(ns, name, dval, flags) zend_register_double_constant(ZEND_NS_NAME(ns, name), sizeof(ZEND_NS_NAME(ns, name))-1, (dval), (flags), module_number) #define REGISTER_NS_STRING_CONSTANT(ns, name, str, flags) zend_register_string_constant(ZEND_NS_NAME(ns, name), sizeof(ZEND_NS_NAME(ns, name))-1, (str), (flags), module_number) #define REGISTER_NS_STRINGL_CONSTANT(ns, name, str, len, flags) zend_register_stringl_constant(ZEND_NS_NAME(ns, name), sizeof(ZEND_NS_NAME(ns, name))-1, (str), (len), (flags), module_number) #define REGISTER_MAIN_NULL_CONSTANT(name, flags) zend_register_null_constant((name), sizeof(name)-1, (flags), 0) #define REGISTER_MAIN_BOOL_CONSTANT(name, bval, flags) zend_register_bool_constant((name), sizeof(name)-1, (bval), (flags), 0) #define REGISTER_MAIN_LONG_CONSTANT(name, lval, flags) zend_register_long_constant((name), sizeof(name)-1, (lval), (flags), 0) #define REGISTER_MAIN_DOUBLE_CONSTANT(name, dval, flags) zend_register_double_constant((name), sizeof(name)-1, (dval), (flags), 0) #define REGISTER_MAIN_STRING_CONSTANT(name, str, flags) zend_register_string_constant((name), sizeof(name)-1, (str), (flags), 0) #define REGISTER_MAIN_STRINGL_CONSTANT(name, str, len, flags) zend_register_stringl_constant((name), sizeof(name)-1, (str), (len), (flags), 0) BEGIN_EXTERN_C() void clean_module_constants(int module_number); void free_zend_constant(zval *zv); void zend_startup_constants(void); void zend_register_standard_constants(void); ZEND_API bool zend_verify_const_access(zend_class_constant *c, zend_class_entry *ce); ZEND_API zval *zend_get_constant(zend_string *name); ZEND_API zend_constant *zend_get_constant_ptr(zend_string *name); ZEND_API zval *zend_get_constant_str(const char *name, size_t name_len); ZEND_API zval *zend_get_constant_ex(zend_string *name, zend_class_entry *scope, uint32_t flags); ZEND_API zval *zend_get_class_constant_ex(zend_string *class_name, zend_string *constant_name, zend_class_entry *scope, uint32_t flags); ZEND_API void zend_register_bool_constant(const char *name, size_t name_len, bool bval, int flags, int module_number); ZEND_API void zend_register_null_constant(const char *name, size_t name_len, int flags, int module_number); ZEND_API void zend_register_long_constant(const char *name, size_t name_len, zend_long lval, int flags, int module_number); ZEND_API void zend_register_double_constant(const char *name, size_t name_len, double dval, int flags, int module_number); ZEND_API void zend_register_string_constant(const char *name, size_t name_len, const char *strval, int flags, int module_number); ZEND_API void zend_register_stringl_constant(const char *name, size_t name_len, const char *strval, size_t strlen, int flags, int module_number); ZEND_API zend_result zend_register_constant(zend_constant *c); #ifdef ZTS void zend_copy_constants(HashTable *target, HashTable *source); #endif ZEND_API zend_constant *_zend_get_special_const(const char *name, size_t name_len); static zend_always_inline zend_constant *zend_get_special_const( const char *name, size_t name_len) { if (name_len == 4 || name_len == 5) { return _zend_get_special_const(name, name_len); } return NULL; } END_EXTERN_C() #define ZEND_CONSTANT_DTOR free_zend_constant #endif