mirror of
https://github.com/php/php-src.git
synced 2024-12-30 04:06:30 +08:00
378 lines
10 KiB
C
378 lines
10 KiB
C
/*
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+----------------------------------------------------------------------+
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| Zend Engine |
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+----------------------------------------------------------------------+
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| Copyright (c) 1998, 1999 Andi Gutmans, Zeev Suraski |
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+----------------------------------------------------------------------+
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| This source file is subject to version 0.91 of the Zend license, |
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| that is bundled with this package in the file LICENSE, and is |
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| available at through the world-wide-web at |
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| http://www.zend.com/license/0_91.txt. |
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| If you did not receive a copy of the Zend license and are unable to |
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| obtain it through the world-wide-web, please send a note to |
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| license@zend.com so we can mail you a copy immediately. |
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+----------------------------------------------------------------------+
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| Authors: Andi Gutmans <andi@zend.com> |
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| Zeev Suraski <zeev@zend.com> |
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+----------------------------------------------------------------------+
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*/
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#ifndef _ZEND_H
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#define _ZEND_H
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#define ZEND_VERSION "0.90"
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#ifdef __cplusplus
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#define BEGIN_EXTERN_C() extern "C" {
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#define END_EXTERN_C() }
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#else
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#define BEGIN_EXTERN_C()
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#define END_EXTERN_C()
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#endif
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#include <stdio.h>
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/*
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* general definitions
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*/
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#if (defined(WINNT) && WINNT) || (defined(WIN32) && WIN32)
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#define ZEND_WIN32 1
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#else
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#define ZEND_WIN32 0
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#endif
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#if ZEND_WIN32
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# include "zend_config.w32.h"
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#else
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# include "zend_config.h"
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#endif
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/* all HAVE_XXX test have to be after the include of zend_config above */
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#ifdef HAVE_UNIX_H
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# include <unix.h>
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#endif
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#ifdef HAVE_STDARG_H
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# include <stdarg.h>
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#endif
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#ifdef HAVE_DLFCN_H
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# include <dlfcn.h>
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#endif
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#if defined(HAVE_LIBDL) && defined(RTLD_NOW)
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# define DL_LOAD(libname) dlopen(libname, RTLD_NOW)
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# define DL_UNLOAD dlclose
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# define DL_FETCH_SYMBOL dlsym
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# define DL_HANDLE void *
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# define ZEND_EXTENSIONS_SUPPORT 1
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#elif (ZEND_WIN32)
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# define DL_LOAD(libname) LoadLibrary(libname)
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# define DL_FETCH_SYMBOL GetProcAddress
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# define DL_UNLOAD FreeLibrary
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# define DL_HANDLE HMODULE
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# define ZEND_EXTENSIONS_SUPPORT 1
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#else
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# define DL_HANDLE void *
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# define ZEND_EXTENSIONS_SUPPORT 0
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#endif
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#if ZEND_DEBUG
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#define ZEND_FILE_LINE_D char *__zend_filename, uint __zend_lineno
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#define ZEND_FILE_LINE_DC , ZEND_FILE_LINE_D
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#define ZEND_FILE_LINE_ORIG_D char *__zend_orig_filename, uint __zend_orig_lineno
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#define ZEND_FILE_LINE_ORIG_DC , ZEND_FILE_LINE_ORIG_D
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#define ZEND_FILE_LINE_RELAY_C __zend_filename, __zend_lineno
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#define ZEND_FILE_LINE_RELAY_CC , ZEND_FILE_LINE_RELAY_C
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#define ZEND_FILE_LINE_C __FILE__, __LINE__
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#define ZEND_FILE_LINE_CC , ZEND_FILE_LINE_C
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#define ZEND_FILE_LINE_EMPTY_C NULL, 0
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#define ZEND_FILE_LINE_EMPTY_CC , ZEND_FILE_LINE_EMPTY_C
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#define ZEND_FILE_LINE_ORIG_RELAY_C __zend_orig_filename, __zend_orig_lineno
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#define ZEND_FILE_LINE_ORIG_RELAY_CC , ZEND_FILE_LINE_ORIG_RELAY_C
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#else
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#define ZEND_FILE_LINE_D
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#define ZEND_FILE_LINE_DC
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#define ZEND_FILE_LINE_ORIG_D
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#define ZEND_FILE_LINE_ORIG_DC
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#define ZEND_FILE_LINE_RELAY_C
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#define ZEND_FILE_LINE_RELAY_CC
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#define ZEND_FILE_LINE_C
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#define ZEND_FILE_LINE_CC
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#define ZEND_FILE_LINE_EMPTY_C
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#define ZEND_FILE_LINE_EMPTY_CC
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#define ZEND_FILE_LINE_ORIG_RELAY_C
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#define ZEND_FILE_LINE_ORIG_RELAY_CC
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#endif /* ZEND_DEBUG */
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#include "zend_errors.h"
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#include "zend_alloc.h"
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typedef unsigned char zend_bool;
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#undef SUCCESS
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#undef FAILURE
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#define SUCCESS 0
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#define FAILURE -1 /* this MUST stay a negative number, or it may affect functions! */
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#include "zend_hash.h"
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#include "zend_llist.h"
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#define INTERNAL_FUNCTION_PARAMETERS int ht, zval *return_value, zval *this_ptr, int return_value_used ELS_DC
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#define INTERNAL_FUNCTION_PARAM_PASSTHRU ht, return_value, this_ptr, return_value_used ELS_CC
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/*
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* zval
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*/
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typedef struct _zval_struct zval;
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typedef struct _zend_class_entry zend_class_entry;
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typedef union _zvalue_value {
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long lval; /* long value */
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double dval; /* double value */
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struct {
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char *val;
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int len;
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} str;
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char chval; /* char value */
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HashTable *ht; /* hash table value */
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struct {
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zend_class_entry *ce;
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HashTable *properties;
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} obj;
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} zvalue_value;
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struct _zval_struct {
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/* Variable information */
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zvalue_value value; /* value */
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unsigned char type; /* active type */
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unsigned char is_ref;
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short refcount;
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};
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typedef struct _zend_function_entry {
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char *fname;
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void (*handler)(INTERNAL_FUNCTION_PARAMETERS);
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unsigned char *func_arg_types;
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} zend_function_entry;
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typedef struct _zend_property_reference {
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int type; /* read, write or r/w */
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zval *object;
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zend_llist elements_list;
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} zend_property_reference;
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typedef struct _zend_overloaded_element {
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int type; /* array offset or object proprety */
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zval element;
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} zend_overloaded_element;
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/* excpt.h on Digital Unix 4.0 defines function_table */
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#undef function_table
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struct _zend_class_entry {
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char type;
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char *name;
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uint name_length;
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struct _zend_class_entry *parent;
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int *refcount;
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zend_bool constants_updated;
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HashTable function_table;
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HashTable default_properties;
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zend_function_entry *builtin_functions;
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/* handlers */
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void (*handle_function_call)(INTERNAL_FUNCTION_PARAMETERS, zend_property_reference *property_reference);
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zval (*handle_property_get)(zend_property_reference *property_reference);
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int (*handle_property_set)(zend_property_reference *property_reference, zval *value);
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};
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typedef struct _zend_utility_functions {
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void (*error_function)(int type, const char *format, ...);
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int (*printf_function)(const char *format, ...);
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int (*write_function)(const char *str, uint str_length);
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FILE *(*fopen_function)(const char *filename, char **opened_path);
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void (*message_handler)(long message, void *data);
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void (*block_interruptions)(void);
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void (*unblock_interruptions)(void);
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int (*get_ini_entry)(char *name, uint name_length, zval *contents);
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void (*ticks_function)(int ticks);
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} zend_utility_functions;
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typedef struct _zend_utility_values {
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zend_bool short_tags;
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zend_bool asp_tags;
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zend_bool allow_call_time_pass_reference;
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char *import_use_extension;
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uint import_use_extension_length;
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} zend_utility_values;
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#undef MIN
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#undef MAX
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#define MAX(a,b) (((a)>(b))?(a):(b))
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#define MIN(a,b) (((a)<(b))?(a):(b))
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#define ZEND_STRL(str) (str), (sizeof(str)-1)
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#define ZEND_STRS(str) (str), (sizeof(str)
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/* data types */
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#define IS_NULL 0
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#define IS_LONG 1
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#define IS_DOUBLE 2
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#define IS_STRING 3
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#define IS_ARRAY 4
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#define IS_OBJECT 5
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#define IS_BOOL 6
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#define IS_RESOURCE 7
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#define IS_CONSTANT 8
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/* Special data type to temporarily mark large numbers */
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#define FLAG_IS_BC 9 /* for parser internal use only */
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/* overloaded elements data types */
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#define OE_IS_ARRAY (1<<0)
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#define OE_IS_OBJECT (1<<1)
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#define OE_IS_METHOD (1<<2)
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int zend_startup(zend_utility_functions *utility_functions, char **extensions);
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void zend_shutdown(void);
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void zend_set_utility_values(zend_utility_values *utility_values);
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BEGIN_EXTERN_C()
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ZEND_API void zend_bailout(void);
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END_EXTERN_C()
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ZEND_API char *get_zend_version(void);
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ZEND_API void zend_make_printable_zval(zval *expr, zval *expr_copy, int *use_copy);
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ZEND_API int zend_print_zval(zval *expr, int indent);
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ZEND_API void zend_print_zval_r(zval *expr, int indent);
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ZEND_API extern char *empty_string;
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#define STR_FREE(ptr) if (ptr && ptr!=empty_string) { efree(ptr); }
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#define STR_FREE_REL(ptr) if (ptr && ptr!=empty_string) { efree_rel(ptr); }
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#define STR_REALLOC(ptr, size) \
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if (ptr!=empty_string) { \
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ptr = (char *) erealloc(ptr, size); \
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} else { \
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ptr = (char *) emalloc(size); \
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memset(ptr, 0, size); \
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}
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/* output support */
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#define ZEND_WRITE(str, str_len) zend_write((str), (str_len))
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#define ZEND_PUTS(str) zend_write((str), strlen((str)))
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#define ZEND_PUTC(c) zend_write(&(c), 1), (c)
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BEGIN_EXTERN_C()
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extern ZEND_API int (*zend_printf)(const char *format, ...);
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extern ZEND_API int (*zend_write)(const char *str, uint str_length);
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extern ZEND_API void (*zend_error)(int type, const char *format, ...);
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extern ZEND_API FILE *(*zend_fopen)(const char *filename, char **opened_path);
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extern ZEND_API void (*zend_block_interruptions)(void);
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extern ZEND_API void (*zend_unblock_interruptions)(void);
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extern ZEND_API void (*zend_message_dispatcher)(long message, void *data);
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extern ZEND_API int (*zend_get_ini_entry)(char *name, uint name_length, zval *contents);
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extern void (*zend_ticks_function)(int ticks);
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void zenderror(char *error);
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extern ZEND_API zend_class_entry zend_standard_class_def;
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extern zend_utility_values zend_uv;
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extern ZEND_API zval zval_used_for_init;
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END_EXTERN_C()
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#define ZEND_UV(name) (zend_uv.name)
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#define HANDLE_BLOCK_INTERRUPTIONS() if (zend_block_interruptions) { zend_block_interruptions(); }
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#define HANDLE_UNBLOCK_INTERRUPTIONS() if (zend_unblock_interruptions) { zend_unblock_interruptions(); }
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/* Messages for applications of Zend */
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#define ZMSG_ENABLE_TRACK_VARS 1L
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#define ZMSG_FAILED_INCLUDE_FOPEN 2L
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#define ZMSG_FAILED_REQUIRE_FOPEN 3L
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#define ZMSG_FAILED_HIGHLIGHT_FOPEN 4L
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#define ZMSG_MEMORY_LEAK_DETECTED 5L
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#define ZMSG_MEMORY_LEAK_REPEATED 6L
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#define ZMSG_LOG_SCRIPT_NAME 7L
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#define INIT_PZVAL(z) \
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(z)->refcount = 1; \
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(z)->is_ref = 0;
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#define INIT_ZVAL(z) z = zval_used_for_init;
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#define ALLOC_INIT_ZVAL(zp) \
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ALLOC_ZVAL(zp); \
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INIT_ZVAL(*zp);
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#define MAKE_STD_ZVAL(zv) \
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ALLOC_ZVAL(zv); \
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INIT_PZVAL(zv);
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#define SEPARATE_ZVAL(ppzv) \
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{ \
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zval *orig_ptr = *(ppzv); \
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\
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if (orig_ptr->refcount>1) { \
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orig_ptr->refcount--; \
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ALLOC_ZVAL(*(ppzv)); \
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**(ppzv) = *orig_ptr; \
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zval_copy_ctor(*(ppzv)); \
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(*(ppzv))->refcount=1; \
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(*(ppzv))->is_ref = 0; \
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} \
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}
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#define COPY_PZVAL_TO_ZVAL(zv, pzv) \
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(zv) = *(pzv); \
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if ((pzv)->refcount>1) { \
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zval_copy_ctor(&(zv)); \
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(pzv)->refcount--; \
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} else { \
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FREE_ZVAL(pzv); \
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} \
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INIT_PZVAL(&(zv));
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#define ZEND_MAX_RESERVED_RESOURCES 1
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#if (ZEND_WIN32)
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/* Only use this macro if you know for sure that all of the switches values
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are covered by its case statements */
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#define EMPTY_SWITCH_DEFAULT_CASE() \
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default: \
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__assume(0); \
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break;
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#else
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#define EMPTY_SWITCH_DEFAULT_CASE()
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#endif
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#endif /* _ZEND_H */
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/*
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* Local variables:
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* tab-width: 4
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* c-basic-offset: 4
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* End:
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*/
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