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| Zend Engine |
| Copyright (c) 1998, 1999 Andi Gutmans, Zeev Suraski |
| This source file is subject to the Zend license, that is bundled |
| with this package in the file LICENSE. If you did not receive a |
| copy of the Zend license, please mail us at so we can |
| send you a copy immediately. |
| Authors: Andi Gutmans <> |
| Zeev Suraski <> |
#ifndef _ZEND_H
#define _ZEND_H
#define ZEND_VERSION "0.80A"
#include <stdio.h>
* general definitions
#if WINNT||WIN32
#include "config.w32.h"
#include "config.h"
#include "config.unix.h"
#include "zend_errors.h"
#include "zend_alloc.h"
#undef SUCCESS
#undef FAILURE
#define SUCCESS 0
#define FAILURE -1 /* this MUST stay a negative number, or it may effect functions! */
#include "zend_hash.h"
#include "zend_llist.h"
#define INTERNAL_FUNCTION_PARAMETERS HashTable *ht, zval *return_value, HashTable *list, HashTable *plist
#define INTERNAL_FUNCTION_PARAM_PASSTHRU ht, return_value, list, plist
* zval
typedef struct _zval_struct zval;
typedef struct _zend_class_entry zend_class_entry;
typedef union {
long lval; /* long value */
double dval; /* double value */
struct {
char *val;
int len;
} str;
char chval; /* char value */
HashTable *ht; /* hash table value */
struct {
zend_class_entry *ce;
HashTable *properties;
} obj;
} zvalue_value;
struct _zval_struct {
/* Variable information */
zvalue_value value; /* value */
unsigned char type; /* active type */
unsigned char is_ref;
short refcount;
typedef struct {
char *fname;
unsigned char *func_arg_types;
} function_entry;
typedef struct {
int type; /* read, write or r/w */
zval **object;
zend_llist elements_list;
} zend_property_reference;
typedef struct {
int type; /* array offset or object proprety */
zval element;
} zend_overloaded_element;
struct _zend_class_entry {
char type;
char *name;
uint name_length;
struct _zend_class_entry *parent;
HashTable function_table;
HashTable default_properties;
/* handlers */
void (*handle_function_call)(INTERNAL_FUNCTION_PARAMETERS, zend_property_reference *property_reference);
zval (*handle_property_get)(zend_property_reference *property_reference);
int (*handle_property_set)(zend_property_reference *property_reference, zval *value);
typedef struct {
void (*error_function)(int type, const char *format, ...);
int (*printf_function)(const char *format, ...);
int (*write_function)(const char *str, uint str_length);
FILE *(*fopen_function)(const char *filename);
void (*message_handler)(long message, void *data);
void (*block_interruptions)();
void (*unblock_interruptions)();
} zend_utility_functions;
typedef struct {
unsigned char short_tags;
unsigned char asp_tags;
} zend_utility_values;
#undef MIN
#undef MAX
#define MAX(a,b) (((a)>(b))?(a):(b))
#define MIN(a,b) (((a)<(b))?(a):(b))
/* data types */
#define IS_LONG 1
#define IS_DOUBLE 2
#define IS_STRING 3
#define IS_ARRAY 4
#define IS_OBJECT 5
#define IS_BC 6 /* for parser internal use only */
#define IS_BOOL 7
#define IS_RESOURCE 8
#define IS_CONSTANT 9
#define IS_METHOD 10 /* for overloaded function calls */
int zend_startup(zend_utility_functions *utility_functions, zend_utility_values *utility_values, char **extensions);
void zend_shutdown();
ZEND_API void zend_bailout();
ZEND_API char *get_zend_version();
ZEND_API int zend_print_zval(zval *expr, int indent);
ZEND_API void zend_print_zval_r(zval *expr, int indent);
ZEND_API extern char *empty_string;
ZEND_API extern char *undefined_variable_string;
#define STR_FREE(ptr) if (ptr && ptr!=empty_string && ptr!=undefined_variable_string) { efree(ptr); }
/* output support */
#define ZEND_WRITE(str, str_len) zend_write((str), (str_len))
#define ZEND_PUTS(str) zend_write((str), strlen((str)))
#define ZEND_PUTC(c) zend_write(&(c), 1), (c)
extern ZEND_API int (*zend_printf)(const char *format, ...);
extern ZEND_API int (*zend_write)(const char *str, uint str_length);
extern ZEND_API void (*zend_error)(int type, const char *format, ...);
extern FILE *(*zend_fopen)(const char *filename);
extern void (*zend_message_dispatcher)(long message, void *data);
extern void (*zend_block_interruptions)();
extern void (*zend_unblock_interruptions)();
void zenderror(char *error);
extern zend_class_entry standard_class;
extern zend_utility_values zend_uv;
#define ZEND_UV(name) (
#define HANDLE_BLOCK_INTERRUPTIONS() if (zend_block_interruptions) { zend_block_interruptions(); }
#define HANDLE_UNBLOCK_INTERRUPTIONS() if (zend_unblock_interruptions) { zend_unblock_interruptions(); }
/* Messages for applications of Zend */
#endif /* _ZEND_H */
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