1/*
2 +----------------------------------------------------------------------+
3 | Zend Engine |
4 +----------------------------------------------------------------------+
5 | Copyright (c) 1998-2015 Zend Technologies Ltd. (http://www.zend.com) |
6 +----------------------------------------------------------------------+
7 | This source file is subject to version 2.00 of the Zend license, |
8 | that is bundled with this package in the file LICENSE, and is |
9 | available through the world-wide-web at the following url: |
10 | http://www.zend.com/license/2_00.txt. |
11 | If you did not receive a copy of the Zend license and are unable to |
12 | obtain it through the world-wide-web, please send a note to |
13 | license@zend.com so we can mail you a copy immediately. |
14 +----------------------------------------------------------------------+
15 | Authors: Andi Gutmans <andi@zend.com> |
16 | Zeev Suraski <zeev@zend.com> |
17 +----------------------------------------------------------------------+
18*/
19
20/* $Id$ */
21
22#ifndef ZEND_H
23#define ZEND_H
24
25#define ZEND_VERSION "2.6.0"
26
27#define ZEND_ENGINE_2
28
29#ifdef __cplusplus
30#define BEGIN_EXTERN_C() extern "C" {
31#define END_EXTERN_C() }
32#else
33#define BEGIN_EXTERN_C()
34#define END_EXTERN_C()
35#endif
36
37/*
38 * general definitions
39 */
40
41#ifdef ZEND_WIN32
42# include "zend_config.w32.h"
43# define ZEND_PATHS_SEPARATOR ';'
44#elif defined(NETWARE)
45# include <zend_config.h>
46# define ZEND_PATHS_SEPARATOR ';'
47#elif defined(__riscos__)
48# include <zend_config.h>
49# define ZEND_PATHS_SEPARATOR ';'
50#else
51# include <zend_config.h>
52# define ZEND_PATHS_SEPARATOR ':'
53#endif
54
55#ifdef ZEND_WIN32
56/* Only use this macro if you know for sure that all of the switches values
57 are covered by its case statements */
58#define EMPTY_SWITCH_DEFAULT_CASE() \
59 default: \
60 __assume(0); \
61 break;
62#else
63#define EMPTY_SWITCH_DEFAULT_CASE()
64#endif
65
66/* all HAVE_XXX test have to be after the include of zend_config above */
67
68#include <stdio.h>
69
70#ifdef HAVE_UNIX_H
71# include <unix.h>
72#endif
73
74#ifdef HAVE_STDARG_H
75# include <stdarg.h>
76#endif
77
78#ifdef HAVE_DLFCN_H
79# include <dlfcn.h>
80#endif
81
82#if defined(HAVE_LIBDL) && !defined(ZEND_WIN32)
83
84# ifndef RTLD_LAZY
85# define RTLD_LAZY 1 /* Solaris 1, FreeBSD's (2.1.7.1 and older) */
86# endif
87
88# ifndef RTLD_GLOBAL
89# define RTLD_GLOBAL 0
90# endif
91
92# if defined(RTLD_GROUP) && defined(RTLD_WORLD) && defined(RTLD_PARENT)
93# define DL_LOAD(libname) dlopen(libname, RTLD_LAZY | RTLD_GLOBAL | RTLD_GROUP | RTLD_WORLD | RTLD_PARENT)
94# elif defined(RTLD_DEEPBIND)
95# define DL_LOAD(libname) dlopen(libname, RTLD_LAZY | RTLD_GLOBAL | RTLD_DEEPBIND)
96# else
97# define DL_LOAD(libname) dlopen(libname, RTLD_LAZY | RTLD_GLOBAL)
98# endif
99# define DL_UNLOAD dlclose
100# if defined(DLSYM_NEEDS_UNDERSCORE)
101# define DL_FETCH_SYMBOL(h,s) dlsym((h), "_" s)
102# else
103# define DL_FETCH_SYMBOL dlsym
104# endif
105# define DL_ERROR dlerror
106# define DL_HANDLE void *
107# define ZEND_EXTENSIONS_SUPPORT 1
108#elif defined(ZEND_WIN32)
109# define DL_LOAD(libname) LoadLibrary(libname)
110# define DL_FETCH_SYMBOL GetProcAddress
111# define DL_UNLOAD FreeLibrary
112# define DL_HANDLE HMODULE
113# define ZEND_EXTENSIONS_SUPPORT 1
114#else
115# define DL_HANDLE void *
116# define ZEND_EXTENSIONS_SUPPORT 0
117#endif
118
119#if HAVE_ALLOCA_H && !defined(_ALLOCA_H)
120# include <alloca.h>
121#endif
122
123/* AIX requires this to be the first thing in the file. */
124#ifndef __GNUC__
125# ifndef HAVE_ALLOCA_H
126# ifdef _AIX
127#pragma alloca
128# else
129# ifndef alloca /* predefined by HP cc +Olibcalls */
130char *alloca ();
131# endif
132# endif
133# endif
134#endif
135
136/* Compatibility with non-clang compilers */
137#ifndef __has_attribute
138# define __has_attribute(x) 0
139#endif
140
141/* GCC x.y.z supplies __GNUC__ = x and __GNUC_MINOR__ = y */
142#ifdef __GNUC__
143# define ZEND_GCC_VERSION (__GNUC__ * 1000 + __GNUC_MINOR__)
144#else
145# define ZEND_GCC_VERSION 0
146#endif
147
148#if ZEND_GCC_VERSION >= 2096
149# define ZEND_ATTRIBUTE_MALLOC __attribute__ ((__malloc__))
150#else
151# define ZEND_ATTRIBUTE_MALLOC
152#endif
153
154#if ZEND_GCC_VERSION >= 4003 || __has_attribute(alloc_size)
155# define ZEND_ATTRIBUTE_ALLOC_SIZE(X) __attribute__ ((alloc_size(X)))
156# define ZEND_ATTRIBUTE_ALLOC_SIZE2(X,Y) __attribute__ ((alloc_size(X,Y)))
157#else
158# define ZEND_ATTRIBUTE_ALLOC_SIZE(X)
159# define ZEND_ATTRIBUTE_ALLOC_SIZE2(X,Y)
160#endif
161
162#if ZEND_GCC_VERSION >= 2007
163# define ZEND_ATTRIBUTE_FORMAT(type, idx, first) __attribute__ ((format(type, idx, first)))
164#else
165# define ZEND_ATTRIBUTE_FORMAT(type, idx, first)
166#endif
167
168#if ZEND_GCC_VERSION >= 3001 && !defined(__INTEL_COMPILER)
169# define ZEND_ATTRIBUTE_PTR_FORMAT(type, idx, first) __attribute__ ((format(type, idx, first)))
170#else
171# define ZEND_ATTRIBUTE_PTR_FORMAT(type, idx, first)
172#endif
173
174#if ZEND_GCC_VERSION >= 3001
175# define ZEND_ATTRIBUTE_DEPRECATED __attribute__((deprecated))
176#elif defined(ZEND_WIN32) && defined(_MSC_VER) && _MSC_VER >= 1300
177# define ZEND_ATTRIBUTE_DEPRECATED __declspec(deprecated)
178#else
179# define ZEND_ATTRIBUTE_DEPRECATED
180#endif
181
182#if defined(__GNUC__) && ZEND_GCC_VERSION >= 3004 && defined(__i386__)
183# define ZEND_FASTCALL __attribute__((fastcall))
184#elif defined(_MSC_VER) && defined(_M_IX86)
185# define ZEND_FASTCALL __fastcall
186#else
187# define ZEND_FASTCALL
188#endif
189
190#if defined(__GNUC__) && ZEND_GCC_VERSION >= 3004
191#else
192# define __restrict__
193#endif
194#define restrict __restrict__
195
196#if (HAVE_ALLOCA || (defined (__GNUC__) && __GNUC__ >= 2)) && !(defined(ZTS) && defined(NETWARE)) && !(defined(ZTS) && defined(HPUX)) && !defined(DARWIN)
197# define ZEND_ALLOCA_MAX_SIZE (32 * 1024)
198# define ALLOCA_FLAG(name) \
199 zend_bool name;
200# define SET_ALLOCA_FLAG(name) \
201 name = 1
202# define do_alloca_ex(size, limit, use_heap) \
203 ((use_heap = (UNEXPECTED((size) > (limit)))) ? emalloc(size) : alloca(size))
204# define do_alloca(size, use_heap) \
205 do_alloca_ex(size, ZEND_ALLOCA_MAX_SIZE, use_heap)
206# define free_alloca(p, use_heap) \
207 do { if (UNEXPECTED(use_heap)) efree(p); } while (0)
208#else
209# define ALLOCA_FLAG(name)
210# define SET_ALLOCA_FLAG(name)
211# define do_alloca(p, use_heap) emalloc(p)
212# define free_alloca(p, use_heap) efree(p)
213#endif
214
215#if ZEND_DEBUG
216#define ZEND_FILE_LINE_D const char *__zend_filename, const uint __zend_lineno
217#define ZEND_FILE_LINE_DC , ZEND_FILE_LINE_D
218#define ZEND_FILE_LINE_ORIG_D const char *__zend_orig_filename, const uint __zend_orig_lineno
219#define ZEND_FILE_LINE_ORIG_DC , ZEND_FILE_LINE_ORIG_D
220#define ZEND_FILE_LINE_RELAY_C __zend_filename, __zend_lineno
221#define ZEND_FILE_LINE_RELAY_CC , ZEND_FILE_LINE_RELAY_C
222#define ZEND_FILE_LINE_C __FILE__, __LINE__
223#define ZEND_FILE_LINE_CC , ZEND_FILE_LINE_C
224#define ZEND_FILE_LINE_EMPTY_C NULL, 0
225#define ZEND_FILE_LINE_EMPTY_CC , ZEND_FILE_LINE_EMPTY_C
226#define ZEND_FILE_LINE_ORIG_RELAY_C __zend_orig_filename, __zend_orig_lineno
227#define ZEND_FILE_LINE_ORIG_RELAY_CC , ZEND_FILE_LINE_ORIG_RELAY_C
228#define ZEND_ASSERT(c) assert(c)
229#else
230#define ZEND_FILE_LINE_D
231#define ZEND_FILE_LINE_DC
232#define ZEND_FILE_LINE_ORIG_D
233#define ZEND_FILE_LINE_ORIG_DC
234#define ZEND_FILE_LINE_RELAY_C
235#define ZEND_FILE_LINE_RELAY_CC
236#define ZEND_FILE_LINE_C
237#define ZEND_FILE_LINE_CC
238#define ZEND_FILE_LINE_EMPTY_C
239#define ZEND_FILE_LINE_EMPTY_CC
240#define ZEND_FILE_LINE_ORIG_RELAY_C
241#define ZEND_FILE_LINE_ORIG_RELAY_CC
242#define ZEND_ASSERT(c)
243#endif /* ZEND_DEBUG */
244
245#ifdef ZTS
246#define ZTS_V 1
247#else
248#define ZTS_V 0
249#endif
250
251#include "zend_errors.h"
252#include "zend_alloc.h"
253
254#include "zend_types.h"
255#include "zend_string.h"
256
257#ifdef HAVE_LIMITS_H
258# include <limits.h>
259#endif
260
261#ifndef LONG_MAX
262#define LONG_MAX 2147483647L
263#endif
264
265#ifndef LONG_MIN
266#define LONG_MIN (- LONG_MAX - 1)
267#endif
268
269#if SIZEOF_LONG == 4
270#define MAX_LENGTH_OF_LONG 11
271static const char long_min_digits[] = "2147483648";
272#elif SIZEOF_LONG == 8
273#define MAX_LENGTH_OF_LONG 20
274static const char long_min_digits[] = "9223372036854775808";
275#else
276#error "Unknown SIZEOF_LONG"
277#endif
278
279#define MAX_LENGTH_OF_DOUBLE 32
280
281typedef enum {
282 SUCCESS = 0,
283 FAILURE = -1, /* this MUST stay a negative number, or it may affect functions! */
284} ZEND_RESULT_CODE;
285
286#include "zend_hash.h"
287#include "zend_ts_hash.h"
288#include "zend_llist.h"
289
290#define INTERNAL_FUNCTION_PARAMETERS int ht, zval *return_value, zval **return_value_ptr, zval *this_ptr, int return_value_used TSRMLS_DC
291#define INTERNAL_FUNCTION_PARAM_PASSTHRU ht, return_value, return_value_ptr, this_ptr, return_value_used TSRMLS_CC
292
293#if defined(__GNUC__) && __GNUC__ >= 3 && !defined(__INTEL_COMPILER) && !defined(DARWIN) && !defined(__hpux) && !defined(_AIX) && !defined(__osf__)
294void zend_error_noreturn(int type, const char *format, ...) __attribute__ ((noreturn));
295#else
296# define zend_error_noreturn zend_error
297#endif
298
299/*
300 * zval
301 */
302typedef struct _zend_class_entry zend_class_entry;
303
304typedef struct _zend_guard {
305 zend_bool in_get;
306 zend_bool in_set;
307 zend_bool in_unset;
308 zend_bool in_isset;
309 zend_bool dummy; /* sizeof(zend_guard) must not be equal to sizeof(void*) */
310} zend_guard;
311
312typedef struct _zend_object {
313 zend_class_entry *ce;
314 HashTable *properties;
315 zval **properties_table;
316 HashTable *guards; /* protects from __get/__set ... recursion */
317} zend_object;
318
319#include "zend_object_handlers.h"
320#include "zend_ast.h"
321
322typedef union _zvalue_value {
323 long lval; /* long value */
324 double dval; /* double value */
325 struct {
326 char *val;
327 int len;
328 } str;
329 HashTable *ht; /* hash table value */
330 zend_object_value obj;
331 zend_ast *ast;
332} zvalue_value;
333
334struct _zval_struct {
335 /* Variable information */
336 zvalue_value value; /* value */
337 zend_uint refcount__gc;
338 zend_uchar type; /* active type */
339 zend_uchar is_ref__gc;
340};
341
342#define Z_REFCOUNT_PP(ppz) Z_REFCOUNT_P(*(ppz))
343#define Z_SET_REFCOUNT_PP(ppz, rc) Z_SET_REFCOUNT_P(*(ppz), rc)
344#define Z_ADDREF_PP(ppz) Z_ADDREF_P(*(ppz))
345#define Z_DELREF_PP(ppz) Z_DELREF_P(*(ppz))
346#define Z_ISREF_PP(ppz) Z_ISREF_P(*(ppz))
347#define Z_SET_ISREF_PP(ppz) Z_SET_ISREF_P(*(ppz))
348#define Z_UNSET_ISREF_PP(ppz) Z_UNSET_ISREF_P(*(ppz))
349#define Z_SET_ISREF_TO_PP(ppz, isref) Z_SET_ISREF_TO_P(*(ppz), isref)
350
351#define Z_REFCOUNT_P(pz) zval_refcount_p(pz)
352#define Z_SET_REFCOUNT_P(pz, rc) zval_set_refcount_p(pz, rc)
353#define Z_ADDREF_P(pz) zval_addref_p(pz)
354#define Z_DELREF_P(pz) zval_delref_p(pz)
355#define Z_ISREF_P(pz) zval_isref_p(pz)
356#define Z_SET_ISREF_P(pz) zval_set_isref_p(pz)
357#define Z_UNSET_ISREF_P(pz) zval_unset_isref_p(pz)
358#define Z_SET_ISREF_TO_P(pz, isref) zval_set_isref_to_p(pz, isref)
359
360#define Z_REFCOUNT(z) Z_REFCOUNT_P(&(z))
361#define Z_SET_REFCOUNT(z, rc) Z_SET_REFCOUNT_P(&(z), rc)
362#define Z_ADDREF(z) Z_ADDREF_P(&(z))
363#define Z_DELREF(z) Z_DELREF_P(&(z))
364#define Z_ISREF(z) Z_ISREF_P(&(z))
365#define Z_SET_ISREF(z) Z_SET_ISREF_P(&(z))
366#define Z_UNSET_ISREF(z) Z_UNSET_ISREF_P(&(z))
367#define Z_SET_ISREF_TO(z, isref) Z_SET_ISREF_TO_P(&(z), isref)
368
369#if ZEND_DEBUG
370#define zend_always_inline inline
371#define zend_never_inline
372#else
373#if defined(__GNUC__)
374#if __GNUC__ >= 3
375#define zend_always_inline inline __attribute__((always_inline))
376#define zend_never_inline __attribute__((noinline))
377#else
378#define zend_always_inline inline
379#define zend_never_inline
380#endif
381#elif defined(_MSC_VER)
382#define zend_always_inline __forceinline
383#define zend_never_inline
384#else
385#define zend_always_inline inline
386#define zend_never_inline
387#endif
388#endif /* ZEND_DEBUG */
389
390#if (defined (__GNUC__) && __GNUC__ > 2 ) && !defined(DARWIN) && !defined(__hpux) && !defined(_AIX)
391# define EXPECTED(condition) __builtin_expect(condition, 1)
392# define UNEXPECTED(condition) __builtin_expect(condition, 0)
393#else
394# define EXPECTED(condition) (condition)
395# define UNEXPECTED(condition) (condition)
396#endif
397
398static zend_always_inline zend_uint zval_refcount_p(zval* pz) {
399 return pz->refcount__gc;
400}
401
402static zend_always_inline zend_uint zval_set_refcount_p(zval* pz, zend_uint rc) {
403 return pz->refcount__gc = rc;
404}
405
406static zend_always_inline zend_uint zval_addref_p(zval* pz) {
407 return ++pz->refcount__gc;
408}
409
410static zend_always_inline zend_uint zval_delref_p(zval* pz) {
411 return --pz->refcount__gc;
412}
413
414static zend_always_inline zend_bool zval_isref_p(zval* pz) {
415 return pz->is_ref__gc;
416}
417
418static zend_always_inline zend_bool zval_set_isref_p(zval* pz) {
419 return pz->is_ref__gc = 1;
420}
421
422static zend_always_inline zend_bool zval_unset_isref_p(zval* pz) {
423 return pz->is_ref__gc = 0;
424}
425
426static zend_always_inline zend_bool zval_set_isref_to_p(zval* pz, zend_bool isref) {
427 return pz->is_ref__gc = isref;
428}
429
430/* excpt.h on Digital Unix 4.0 defines function_table */
431#undef function_table
432
433/* A lot of stuff needs shifiting around in order to include zend_compile.h here */
434union _zend_function;
435
436#include "zend_iterators.h"
437
438struct _zend_serialize_data;
439struct _zend_unserialize_data;
440
441typedef struct _zend_serialize_data zend_serialize_data;
442typedef struct _zend_unserialize_data zend_unserialize_data;
443
444struct _zend_trait_method_reference {
445 const char* method_name;
446 unsigned int mname_len;
447
448 zend_class_entry *ce;
449
450 const char* class_name;
451 unsigned int cname_len;
452};
453typedef struct _zend_trait_method_reference zend_trait_method_reference;
454
455struct _zend_trait_precedence {
456 zend_trait_method_reference *trait_method;
457
458 zend_class_entry** exclude_from_classes;
459};
460typedef struct _zend_trait_precedence zend_trait_precedence;
461
462struct _zend_trait_alias {
463 zend_trait_method_reference *trait_method;
464
465 /**
466 * name for method to be added
467 */
468 const char* alias;
469 unsigned int alias_len;
470
471 /**
472 * modifiers to be set on trait method
473 */
474 zend_uint modifiers;
475};
476typedef struct _zend_trait_alias zend_trait_alias;
477
478struct _zend_class_entry {
479 char type;
480 const char *name;
481 zend_uint name_length;
482 struct _zend_class_entry *parent;
483 int refcount;
484 zend_uint ce_flags;
485
486 HashTable function_table;
487 HashTable properties_info;
488 zval **default_properties_table;
489 zval **default_static_members_table;
490 zval **static_members_table;
491 HashTable constants_table;
492 int default_properties_count;
493 int default_static_members_count;
494
495 union _zend_function *constructor;
496 union _zend_function *destructor;
497 union _zend_function *clone;
498 union _zend_function *__get;
499 union _zend_function *__set;
500 union _zend_function *__unset;
501 union _zend_function *__isset;
502 union _zend_function *__call;
503 union _zend_function *__callstatic;
504 union _zend_function *__tostring;
505 union _zend_function *__debugInfo;
506 union _zend_function *serialize_func;
507 union _zend_function *unserialize_func;
508
509 zend_class_iterator_funcs iterator_funcs;
510
511 /* handlers */
512 zend_object_value (*create_object)(zend_class_entry *class_type TSRMLS_DC);
513 zend_object_iterator *(*get_iterator)(zend_class_entry *ce, zval *object, int by_ref TSRMLS_DC);
514 int (*interface_gets_implemented)(zend_class_entry *iface, zend_class_entry *class_type TSRMLS_DC); /* a class implements this interface */
515 union _zend_function *(*get_static_method)(zend_class_entry *ce, char* method, int method_len TSRMLS_DC);
516
517 /* serializer callbacks */
518 int (*serialize)(zval *object, unsigned char **buffer, zend_uint *buf_len, zend_serialize_data *data TSRMLS_DC);
519 int (*unserialize)(zval **object, zend_class_entry *ce, const unsigned char *buf, zend_uint buf_len, zend_unserialize_data *data TSRMLS_DC);
520
521 zend_class_entry **interfaces;
522 zend_uint num_interfaces;
523
524 zend_class_entry **traits;
525 zend_uint num_traits;
526 zend_trait_alias **trait_aliases;
527 zend_trait_precedence **trait_precedences;
528
529 union {
530 struct {
531 const char *filename;
532 zend_uint line_start;
533 zend_uint line_end;
534 const char *doc_comment;
535 zend_uint doc_comment_len;
536 } user;
537 struct {
538 const struct _zend_function_entry *builtin_functions;
539 struct _zend_module_entry *module;
540 } internal;
541 } info;
542};
543
544#include "zend_stream.h"
545typedef struct _zend_utility_functions {
546 void (*error_function)(int type, const char *error_filename, const uint error_lineno, const char *format, va_list args) ZEND_ATTRIBUTE_PTR_FORMAT(printf, 4, 0);
547 int (*printf_function)(const char *format, ...) ZEND_ATTRIBUTE_PTR_FORMAT(printf, 1, 2);
548 int (*write_function)(const char *str, uint str_length);
549 FILE *(*fopen_function)(const char *filename, char **opened_path TSRMLS_DC);
550 void (*message_handler)(long message, const void *data TSRMLS_DC);
551 void (*block_interruptions)(void);
552 void (*unblock_interruptions)(void);
553 int (*get_configuration_directive)(const char *name, uint name_length, zval *contents);
554 void (*ticks_function)(int ticks);
555 void (*on_timeout)(int seconds TSRMLS_DC);
556 int (*stream_open_function)(const char *filename, zend_file_handle *handle TSRMLS_DC);
557 int (*vspprintf_function)(char **pbuf, size_t max_len, const char *format, va_list ap);
558 char *(*getenv_function)(char *name, size_t name_len TSRMLS_DC);
559 char *(*resolve_path_function)(const char *filename, int filename_len TSRMLS_DC);
560} zend_utility_functions;
561
562typedef struct _zend_utility_values {
563 char *import_use_extension;
564 uint import_use_extension_length;
565 zend_bool html_errors;
566} zend_utility_values;
567
568typedef int (*zend_write_func_t)(const char *str, uint str_length);
569
570#undef MIN
571#undef MAX
572#define MAX(a, b) (((a)>(b))?(a):(b))
573#define MIN(a, b) (((a)<(b))?(a):(b))
574#define ZEND_STRL(str) (str), (sizeof(str)-1)
575#define ZEND_STRS(str) (str), (sizeof(str))
576#define ZEND_NORMALIZE_BOOL(n) \
577 ((n) ? (((n)>0) ? 1 : -1) : 0)
578#define ZEND_TRUTH(x) ((x) ? 1 : 0)
579#define ZEND_LOG_XOR(a, b) (ZEND_TRUTH(a) ^ ZEND_TRUTH(b))
580
581/* data types */
582/* All data types <= IS_BOOL have their constructor/destructors skipped */
583#define IS_NULL 0
584#define IS_LONG 1
585#define IS_DOUBLE 2
586#define IS_BOOL 3
587#define IS_ARRAY 4
588#define IS_OBJECT 5
589#define IS_STRING 6
590#define IS_RESOURCE 7
591#define IS_CONSTANT 8
592#define IS_CONSTANT_AST 9
593#define IS_CALLABLE 10
594
595#define IS_CONSTANT_TYPE_MASK 0x00f
596#define IS_CONSTANT_UNQUALIFIED 0x010
597#define IS_LEXICAL_VAR 0x020
598#define IS_LEXICAL_REF 0x040
599#define IS_CONSTANT_IN_NAMESPACE 0x100
600
601#define IS_CONSTANT_TYPE(type) (((type) & IS_CONSTANT_TYPE_MASK) >= IS_CONSTANT && ((type) & IS_CONSTANT_TYPE_MASK) <= IS_CONSTANT_AST)
602
603/* overloaded elements data types */
604#define OE_IS_ARRAY (1<<0)
605#define OE_IS_OBJECT (1<<1)
606#define OE_IS_METHOD (1<<2)
607
608int zend_startup(zend_utility_functions *utility_functions, char **extensions TSRMLS_DC);
609void zend_shutdown(TSRMLS_D);
610void zend_register_standard_ini_entries(TSRMLS_D);
611void zend_post_startup(TSRMLS_D);
612void zend_set_utility_values(zend_utility_values *utility_values);
613
614BEGIN_EXTERN_C()
615ZEND_API void _zend_bailout(char *filename, uint lineno);
616END_EXTERN_C()
617
618#define zend_bailout() _zend_bailout(__FILE__, __LINE__)
619
620#ifdef HAVE_SIGSETJMP
621# define SETJMP(a) sigsetjmp(a, 0)
622# define LONGJMP(a,b) siglongjmp(a, b)
623# define JMP_BUF sigjmp_buf
624#else
625# define SETJMP(a) setjmp(a)
626# define LONGJMP(a,b) longjmp(a, b)
627# define JMP_BUF jmp_buf
628#endif
629
630#define zend_try \
631 { \
632 JMP_BUF *__orig_bailout = EG(bailout); \
633 JMP_BUF __bailout; \
634 \
635 EG(bailout) = &__bailout; \
636 if (SETJMP(__bailout)==0) {
637#define zend_catch \
638 } else { \
639 EG(bailout) = __orig_bailout;
640#define zend_end_try() \
641 } \
642 EG(bailout) = __orig_bailout; \
643 }
644#define zend_first_try EG(bailout)=NULL; zend_try
645
646BEGIN_EXTERN_C()
647ZEND_API char *get_zend_version(void);
648ZEND_API void zend_make_printable_zval(zval *expr, zval *expr_copy, int *use_copy);
649ZEND_API int zend_print_zval(zval *expr, int indent);
650ZEND_API int zend_print_zval_ex(zend_write_func_t write_func, zval *expr, int indent);
651ZEND_API void zend_print_zval_r(zval *expr, int indent TSRMLS_DC);
652ZEND_API void zend_print_flat_zval_r(zval *expr TSRMLS_DC);
653ZEND_API void zend_print_zval_r_ex(zend_write_func_t write_func, zval *expr, int indent TSRMLS_DC);
654ZEND_API void zend_output_debug_string(zend_bool trigger_break, const char *format, ...) ZEND_ATTRIBUTE_FORMAT(printf, 2, 3);
655END_EXTERN_C()
656
657BEGIN_EXTERN_C()
658ZEND_API void zend_activate(TSRMLS_D);
659ZEND_API void zend_deactivate(TSRMLS_D);
660ZEND_API void zend_call_destructors(TSRMLS_D);
661ZEND_API void zend_activate_modules(TSRMLS_D);
662ZEND_API void zend_deactivate_modules(TSRMLS_D);
663ZEND_API void zend_post_deactivate_modules(TSRMLS_D);
664END_EXTERN_C()
665
666#if ZEND_DEBUG
667#define Z_DBG(expr) (expr)
668#else
669#define Z_DBG(expr)
670#endif
671
672BEGIN_EXTERN_C()
673ZEND_API void free_estring(char **str_p);
674END_EXTERN_C()
675
676/* FIXME: Check if we can save if (ptr) too */
677
678#define STR_FREE(ptr) if (ptr) { str_efree(ptr); }
679#define STR_FREE_REL(ptr) if (ptr) { str_efree_rel(ptr); }
680
681#ifndef ZTS
682#define STR_EMPTY_ALLOC() CG(interned_empty_string)? CG(interned_empty_string) : estrndup("", sizeof("")-1)
683#else
684#define STR_EMPTY_ALLOC() estrndup("", sizeof("")-1)
685#endif
686
687#define STR_REALLOC(ptr, size) \
688 ptr = (char *) erealloc(ptr, size);
689
690/* output support */
691#define ZEND_WRITE(str, str_len) zend_write((str), (str_len))
692#define ZEND_WRITE_EX(str, str_len) write_func((str), (str_len))
693#define ZEND_PUTS(str) zend_write((str), strlen((str)))
694#define ZEND_PUTS_EX(str) write_func((str), strlen((str)))
695#define ZEND_PUTC(c) zend_write(&(c), 1)
696
697BEGIN_EXTERN_C()
698extern ZEND_API int (*zend_printf)(const char *format, ...) ZEND_ATTRIBUTE_PTR_FORMAT(printf, 1, 2);
699extern ZEND_API zend_write_func_t zend_write;
700extern ZEND_API FILE *(*zend_fopen)(const char *filename, char **opened_path TSRMLS_DC);
701extern ZEND_API void (*zend_block_interruptions)(void);
702extern ZEND_API void (*zend_unblock_interruptions)(void);
703extern ZEND_API void (*zend_ticks_function)(int ticks);
704extern ZEND_API void (*zend_error_cb)(int type, const char *error_filename, const uint error_lineno, const char *format, va_list args) ZEND_ATTRIBUTE_PTR_FORMAT(printf, 4, 0);
705extern ZEND_API void (*zend_on_timeout)(int seconds TSRMLS_DC);
706extern ZEND_API int (*zend_stream_open_function)(const char *filename, zend_file_handle *handle TSRMLS_DC);
707extern int (*zend_vspprintf)(char **pbuf, size_t max_len, const char *format, va_list ap);
708extern ZEND_API char *(*zend_getenv)(char *name, size_t name_len TSRMLS_DC);
709extern ZEND_API char *(*zend_resolve_path)(const char *filename, int filename_len TSRMLS_DC);
710
711ZEND_API void zend_error(int type, const char *format, ...) ZEND_ATTRIBUTE_FORMAT(printf, 2, 3);
712
713void zenderror(const char *error);
714
715/* The following #define is used for code duality in PHP for Engine 1 & 2 */
716#define ZEND_STANDARD_CLASS_DEF_PTR zend_standard_class_def
717extern ZEND_API zend_class_entry *zend_standard_class_def;
718extern ZEND_API zend_utility_values zend_uv;
719extern ZEND_API zval zval_used_for_init;
720
721END_EXTERN_C()
722
723#define ZEND_UV(name) (zend_uv.name)
724
725#ifndef ZEND_SIGNALS
726#define HANDLE_BLOCK_INTERRUPTIONS() if (zend_block_interruptions) { zend_block_interruptions(); }
727#define HANDLE_UNBLOCK_INTERRUPTIONS() if (zend_unblock_interruptions) { zend_unblock_interruptions(); }
728#else
729#include "zend_signal.h"
730
731#define HANDLE_BLOCK_INTERRUPTIONS() ZEND_SIGNAL_BLOCK_INTERRUPUTIONS()
732#define HANDLE_UNBLOCK_INTERRUPTIONS() ZEND_SIGNAL_UNBLOCK_INTERRUPTIONS()
733#endif
734
735BEGIN_EXTERN_C()
736ZEND_API void zend_message_dispatcher(long message, const void *data TSRMLS_DC);
737
738ZEND_API int zend_get_configuration_directive(const char *name, uint name_length, zval *contents);
739END_EXTERN_C()
740
741/* Messages for applications of Zend */
742#define ZMSG_FAILED_INCLUDE_FOPEN 1L
743#define ZMSG_FAILED_REQUIRE_FOPEN 2L
744#define ZMSG_FAILED_HIGHLIGHT_FOPEN 3L
745#define ZMSG_MEMORY_LEAK_DETECTED 4L
746#define ZMSG_MEMORY_LEAK_REPEATED 5L
747#define ZMSG_LOG_SCRIPT_NAME 6L
748#define ZMSG_MEMORY_LEAKS_GRAND_TOTAL 7L
749
750#define INIT_PZVAL(z) \
751 (z)->refcount__gc = 1; \
752 (z)->is_ref__gc = 0;
753
754#define INIT_ZVAL(z) z = zval_used_for_init;
755
756#define ALLOC_INIT_ZVAL(zp) \
757 ALLOC_ZVAL(zp); \
758 INIT_ZVAL(*zp);
759
760#define MAKE_STD_ZVAL(zv) \
761 ALLOC_ZVAL(zv); \
762 INIT_PZVAL(zv);
763
764#define PZVAL_IS_REF(z) Z_ISREF_P(z)
765
766#define ZVAL_COPY_VALUE(z, v) \
767 do { \
768 (z)->value = (v)->value; \
769 Z_TYPE_P(z) = Z_TYPE_P(v); \
770 } while (0)
771
772#define INIT_PZVAL_COPY(z, v) \
773 do { \
774 ZVAL_COPY_VALUE(z, v); \
775 Z_SET_REFCOUNT_P(z, 1); \
776 Z_UNSET_ISREF_P(z); \
777 } while (0)
778
779#define SEPARATE_ZVAL(ppzv) \
780 do { \
781 if (Z_REFCOUNT_PP((ppzv)) > 1) { \
782 zval *new_zv; \
783 Z_DELREF_PP(ppzv); \
784 ALLOC_ZVAL(new_zv); \
785 INIT_PZVAL_COPY(new_zv, *(ppzv)); \
786 *(ppzv) = new_zv; \
787 zval_copy_ctor(new_zv); \
788 } \
789 } while (0)
790
791#define SEPARATE_ZVAL_IF_NOT_REF(ppzv) \
792 if (!PZVAL_IS_REF(*ppzv)) { \
793 SEPARATE_ZVAL(ppzv); \
794 }
795
796#define SEPARATE_ZVAL_TO_MAKE_IS_REF(ppzv) \
797 if (!PZVAL_IS_REF(*ppzv)) { \
798 SEPARATE_ZVAL(ppzv); \
799 Z_SET_ISREF_PP((ppzv)); \
800 }
801
802#define COPY_PZVAL_TO_ZVAL(zv, pzv) \
803 (zv) = *(pzv); \
804 if (Z_REFCOUNT_P(pzv)>1) { \
805 zval_copy_ctor(&(zv)); \
806 Z_DELREF_P((pzv)); \
807 } else { \
808 FREE_ZVAL(pzv); \
809 } \
810 INIT_PZVAL(&(zv));
811
812#define MAKE_COPY_ZVAL(ppzv, pzv) \
813 INIT_PZVAL_COPY(pzv, *(ppzv)); \
814 zval_copy_ctor((pzv));
815
816#define REPLACE_ZVAL_VALUE(ppzv_dest, pzv_src, copy) { \
817 int is_ref, refcount; \
818 \
819 SEPARATE_ZVAL_IF_NOT_REF(ppzv_dest); \
820 is_ref = Z_ISREF_PP(ppzv_dest); \
821 refcount = Z_REFCOUNT_PP(ppzv_dest); \
822 zval_dtor(*ppzv_dest); \
823 ZVAL_COPY_VALUE(*ppzv_dest, pzv_src); \
824 if (copy) { \
825 zval_copy_ctor(*ppzv_dest); \
826 } \
827 Z_SET_ISREF_TO_PP(ppzv_dest, is_ref); \
828 Z_SET_REFCOUNT_PP(ppzv_dest, refcount); \
829}
830
831#define SEPARATE_ARG_IF_REF(varptr) \
832 if (PZVAL_IS_REF(varptr)) { \
833 zval *original_var = varptr; \
834 ALLOC_ZVAL(varptr); \
835 INIT_PZVAL_COPY(varptr, original_var); \
836 zval_copy_ctor(varptr); \
837 } else { \
838 Z_ADDREF_P(varptr); \
839 }
840
841#define READY_TO_DESTROY(zv) \
842 (Z_REFCOUNT_P(zv) == 1 && \
843 (Z_TYPE_P(zv) != IS_OBJECT || \
844 zend_objects_store_get_refcount(zv TSRMLS_CC) == 1))
845
846#define ZEND_MAX_RESERVED_RESOURCES 4
847
848#include "zend_gc.h"
849#include "zend_operators.h"
850#include "zend_variables.h"
851
852typedef enum {
853 EH_NORMAL = 0,
854 EH_SUPPRESS,
855 EH_THROW
856} zend_error_handling_t;
857
858typedef struct {
859 zend_error_handling_t handling;
860 zend_class_entry *exception;
861 zval *user_handler;
862} zend_error_handling;
863
864ZEND_API void zend_save_error_handling(zend_error_handling *current TSRMLS_DC);
865ZEND_API void zend_replace_error_handling(zend_error_handling_t error_handling, zend_class_entry *exception_class, zend_error_handling *current TSRMLS_DC);
866ZEND_API void zend_restore_error_handling(zend_error_handling *saved TSRMLS_DC);
867
868#define DEBUG_BACKTRACE_PROVIDE_OBJECT (1<<0)
869#define DEBUG_BACKTRACE_IGNORE_ARGS (1<<1)
870
871#endif /* ZEND_H */
872
873/*
874 * Local variables:
875 * tab-width: 4
876 * c-basic-offset: 4
877 * indent-tabs-mode: t
878 * End:
879 */
880