1 /*
2 +----------------------------------------------------------------------+
3 | Zend Engine |
4 +----------------------------------------------------------------------+
5 | Copyright (c) 1998-2014 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 "2.4.0"
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 */
130 char *alloca ();
131 # endif
132 # endif
133 # endif
134 #endif
135
136 /* GCC x.y.z supplies __GNUC__ = x and __GNUC_MINOR__ = y */
137 #ifdef __GNUC__
138 # define ZEND_GCC_VERSION (__GNUC__ * 1000 + __GNUC_MINOR__)
139 #else
140 # define ZEND_GCC_VERSION 0
141 #endif
142
143 #if ZEND_GCC_VERSION >= 2096
144 # define ZEND_ATTRIBUTE_MALLOC __attribute__ ((__malloc__))
145 #else
146 # define ZEND_ATTRIBUTE_MALLOC
147 #endif
148
149 #if ZEND_GCC_VERSION >= 2007
150 # define ZEND_ATTRIBUTE_FORMAT(type, idx, first) __attribute__ ((format(type, idx, first)))
151 #else
152 # define ZEND_ATTRIBUTE_FORMAT(type, idx, first)
153 #endif
154
155 #if ZEND_GCC_VERSION >= 3001 && !defined(__INTEL_COMPILER)
156 # define ZEND_ATTRIBUTE_PTR_FORMAT(type, idx, first) __attribute__ ((format(type, idx, first)))
157 #else
158 # define ZEND_ATTRIBUTE_PTR_FORMAT(type, idx, first)
159 #endif
160
161 #if ZEND_GCC_VERSION >= 3001
162 # define ZEND_ATTRIBUTE_DEPRECATED __attribute__((deprecated))
163 #elif defined(ZEND_WIN32) && defined(_MSC_VER) && _MSC_VER >= 1300
164 # define ZEND_ATTRIBUTE_DEPRECATED __declspec(deprecated)
165 #else
166 # define ZEND_ATTRIBUTE_DEPRECATED
167 #endif
168
169 #if defined(__GNUC__) && ZEND_GCC_VERSION >= 3004 && defined(__i386__)
170 # define ZEND_FASTCALL __attribute__((fastcall))
171 #elif defined(_MSC_VER) && defined(_M_IX86)
172 # define ZEND_FASTCALL __fastcall
173 #else
174 # define ZEND_FASTCALL
175 #endif
176
177 #if defined(__GNUC__) && ZEND_GCC_VERSION >= 3004
178 #else
179 # define __restrict__
180 #endif
181 #define restrict __restrict__
182
183 #if (HAVE_ALLOCA || (defined (__GNUC__) && __GNUC__ >= 2)) && !(defined(ZTS) && defined(ZEND_WIN32)) && !(defined(ZTS) && defined(NETWARE)) && !(defined(ZTS) && defined(HPUX)) && !defined(DARWIN)
184 # define ZEND_ALLOCA_MAX_SIZE (32 * 1024)
185 # define ALLOCA_FLAG(name) \
186 zend_bool name;
187 # define SET_ALLOCA_FLAG(name) \
188 name = 1
189 # define do_alloca_ex(size, limit, use_heap) \
190 ((use_heap = (UNEXPECTED((size) > (limit)))) ? emalloc(size) : alloca(size))
191 # define do_alloca(size, use_heap) \
192 do_alloca_ex(size, ZEND_ALLOCA_MAX_SIZE, use_heap)
193 # define free_alloca(p, use_heap) \
194 do { if (UNEXPECTED(use_heap)) efree(p); } while (0)
195 #else
196 # define ALLOCA_FLAG(name)
197 # define SET_ALLOCA_FLAG(name)
198 # define do_alloca(p, use_heap) emalloc(p)
199 # define free_alloca(p, use_heap) efree(p)
200 #endif
201
202 #if ZEND_DEBUG
203 #define ZEND_FILE_LINE_D const char *__zend_filename, const uint __zend_lineno
204 #define ZEND_FILE_LINE_DC , ZEND_FILE_LINE_D
205 #define ZEND_FILE_LINE_ORIG_D const char *__zend_orig_filename, const uint __zend_orig_lineno
206 #define ZEND_FILE_LINE_ORIG_DC , ZEND_FILE_LINE_ORIG_D
207 #define ZEND_FILE_LINE_RELAY_C __zend_filename, __zend_lineno
208 #define ZEND_FILE_LINE_RELAY_CC , ZEND_FILE_LINE_RELAY_C
209 #define ZEND_FILE_LINE_C __FILE__, __LINE__
210 #define ZEND_FILE_LINE_CC , ZEND_FILE_LINE_C
211 #define ZEND_FILE_LINE_EMPTY_C NULL, 0
212 #define ZEND_FILE_LINE_EMPTY_CC , ZEND_FILE_LINE_EMPTY_C
213 #define ZEND_FILE_LINE_ORIG_RELAY_C __zend_orig_filename, __zend_orig_lineno
214 #define ZEND_FILE_LINE_ORIG_RELAY_CC , ZEND_FILE_LINE_ORIG_RELAY_C
215 #else
216 #define ZEND_FILE_LINE_D
217 #define ZEND_FILE_LINE_DC
218 #define ZEND_FILE_LINE_ORIG_D
219 #define ZEND_FILE_LINE_ORIG_DC
220 #define ZEND_FILE_LINE_RELAY_C
221 #define ZEND_FILE_LINE_RELAY_CC
222 #define ZEND_FILE_LINE_C
223 #define ZEND_FILE_LINE_CC
224 #define ZEND_FILE_LINE_EMPTY_C
225 #define ZEND_FILE_LINE_EMPTY_CC
226 #define ZEND_FILE_LINE_ORIG_RELAY_C
227 #define ZEND_FILE_LINE_ORIG_RELAY_CC
228 #endif /* ZEND_DEBUG */
229
230 #ifdef ZTS
231 #define ZTS_V 1
232 #else
233 #define ZTS_V 0
234 #endif
235
236 #include "zend_errors.h"
237 #include "zend_alloc.h"
238
239 #include "zend_types.h"
240 #include "zend_string.h"
241
242 #ifdef HAVE_LIMITS_H
243 # include <limits.h>
244 #endif
245
246 #ifndef LONG_MAX
247 #define LONG_MAX 2147483647L
248 #endif
249
250 #ifndef LONG_MIN
251 #define LONG_MIN (- LONG_MAX - 1)
252 #endif
253
254 #if SIZEOF_LONG == 4
255 #define MAX_LENGTH_OF_LONG 11
256 static const char long_min_digits[] = "2147483648";
257 #elif SIZEOF_LONG == 8
258 #define MAX_LENGTH_OF_LONG 20
259 static const char long_min_digits[] = "9223372036854775808";
260 #else
261 #error "Unknown SIZEOF_LONG"
262 #endif
263
264 #define MAX_LENGTH_OF_DOUBLE 32
265
266 #undef SUCCESS
267 #undef FAILURE
268 #define SUCCESS 0
269 #define FAILURE -1 /* this MUST stay a negative number, or it may affect functions! */
270
271 #include "zend_hash.h"
272 #include "zend_ts_hash.h"
273 #include "zend_llist.h"
274
275 #define INTERNAL_FUNCTION_PARAMETERS int ht, zval *return_value, zval **return_value_ptr, zval *this_ptr, int return_value_used TSRMLS_DC
276 #define INTERNAL_FUNCTION_PARAM_PASSTHRU ht, return_value, return_value_ptr, this_ptr, return_value_used TSRMLS_CC
277
278 #if defined(__GNUC__) && __GNUC__ >= 3 && !defined(__INTEL_COMPILER) && !defined(DARWIN) && !defined(__hpux) && !defined(_AIX) && !defined(__osf__)
279 void zend_error_noreturn(int type, const char *format, ...) __attribute__ ((noreturn));
280 #else
281 # define zend_error_noreturn zend_error
282 #endif
283
284 /*
285 * zval
286 */
287 typedef struct _zval_struct zval;
288 typedef struct _zend_class_entry zend_class_entry;
289
290 typedef struct _zend_guard {
291 zend_bool in_get;
292 zend_bool in_set;
293 zend_bool in_unset;
294 zend_bool in_isset;
295 zend_bool dummy; /* sizeof(zend_guard) must not be equal to sizeof(void*) */
296 } zend_guard;
297
298 typedef struct _zend_object {
299 zend_class_entry *ce;
300 HashTable *properties;
301 zval **properties_table;
302 HashTable *guards; /* protects from __get/__set ... recursion */
303 } zend_object;
304
305 #include "zend_object_handlers.h"
306
307 typedef union _zvalue_value {
308 long lval; /* long value */
309 double dval; /* double value */
310 struct {
311 char *val;
312 int len;
313 } str;
314 HashTable *ht; /* hash table value */
315 zend_object_value obj;
316 } zvalue_value;
317
318 struct _zval_struct {
319 /* Variable information */
320 zvalue_value value; /* value */
321 zend_uint refcount__gc;
322 zend_uchar type; /* active type */
323 zend_uchar is_ref__gc;
324 };
325
326 #define Z_REFCOUNT_PP(ppz) Z_REFCOUNT_P(*(ppz))
327 #define Z_SET_REFCOUNT_PP(ppz, rc) Z_SET_REFCOUNT_P(*(ppz), rc)
328 #define Z_ADDREF_PP(ppz) Z_ADDREF_P(*(ppz))
329 #define Z_DELREF_PP(ppz) Z_DELREF_P(*(ppz))
330 #define Z_ISREF_PP(ppz) Z_ISREF_P(*(ppz))
331 #define Z_SET_ISREF_PP(ppz) Z_SET_ISREF_P(*(ppz))
332 #define Z_UNSET_ISREF_PP(ppz) Z_UNSET_ISREF_P(*(ppz))
333 #define Z_SET_ISREF_TO_PP(ppz, isref) Z_SET_ISREF_TO_P(*(ppz), isref)
334
335 #define Z_REFCOUNT_P(pz) zval_refcount_p(pz)
336 #define Z_SET_REFCOUNT_P(pz, rc) zval_set_refcount_p(pz, rc)
337 #define Z_ADDREF_P(pz) zval_addref_p(pz)
338 #define Z_DELREF_P(pz) zval_delref_p(pz)
339 #define Z_ISREF_P(pz) zval_isref_p(pz)
340 #define Z_SET_ISREF_P(pz) zval_set_isref_p(pz)
341 #define Z_UNSET_ISREF_P(pz) zval_unset_isref_p(pz)
342 #define Z_SET_ISREF_TO_P(pz, isref) zval_set_isref_to_p(pz, isref)
343
344 #define Z_REFCOUNT(z) Z_REFCOUNT_P(&(z))
345 #define Z_SET_REFCOUNT(z, rc) Z_SET_REFCOUNT_P(&(z), rc)
346 #define Z_ADDREF(z) Z_ADDREF_P(&(z))
347 #define Z_DELREF(z) Z_DELREF_P(&(z))
348 #define Z_ISREF(z) Z_ISREF_P(&(z))
349 #define Z_SET_ISREF(z) Z_SET_ISREF_P(&(z))
350 #define Z_UNSET_ISREF(z) Z_UNSET_ISREF_P(&(z))
351 #define Z_SET_ISREF_TO(z, isref) Z_SET_ISREF_TO_P(&(z), isref)
352
353 #if ZEND_DEBUG
354 #define zend_always_inline inline
355 #define zend_never_inline
356 #else
357 #if defined(__GNUC__)
358 #if __GNUC__ >= 3
359 #define zend_always_inline inline __attribute__((always_inline))
360 #define zend_never_inline __attribute__((noinline))
361 #else
362 #define zend_always_inline inline
363 #define zend_never_inline
364 #endif
365 #elif defined(_MSC_VER)
366 #define zend_always_inline __forceinline
367 #define zend_never_inline
368 #else
369 #define zend_always_inline inline
370 #define zend_never_inline
371 #endif
372 #endif /* ZEND_DEBUG */
373
374 #if (defined (__GNUC__) && __GNUC__ > 2 ) && !defined(DARWIN) && !defined(__hpux) && !defined(_AIX)
375 # define EXPECTED(condition) __builtin_expect(condition, 1)
376 # define UNEXPECTED(condition) __builtin_expect(condition, 0)
377 #else
378 # define EXPECTED(condition) (condition)
379 # define UNEXPECTED(condition) (condition)
380 #endif
381
zval_refcount_p(zval * pz)382 static zend_always_inline zend_uint zval_refcount_p(zval* pz) {
383 return pz->refcount__gc;
384 }
385
zval_set_refcount_p(zval * pz,zend_uint rc)386 static zend_always_inline zend_uint zval_set_refcount_p(zval* pz, zend_uint rc) {
387 return pz->refcount__gc = rc;
388 }
389
zval_addref_p(zval * pz)390 static zend_always_inline zend_uint zval_addref_p(zval* pz) {
391 return ++pz->refcount__gc;
392 }
393
zval_delref_p(zval * pz)394 static zend_always_inline zend_uint zval_delref_p(zval* pz) {
395 return --pz->refcount__gc;
396 }
397
zval_isref_p(zval * pz)398 static zend_always_inline zend_bool zval_isref_p(zval* pz) {
399 return pz->is_ref__gc;
400 }
401
zval_set_isref_p(zval * pz)402 static zend_always_inline zend_bool zval_set_isref_p(zval* pz) {
403 return pz->is_ref__gc = 1;
404 }
405
zval_unset_isref_p(zval * pz)406 static zend_always_inline zend_bool zval_unset_isref_p(zval* pz) {
407 return pz->is_ref__gc = 0;
408 }
409
zval_set_isref_to_p(zval * pz,zend_bool isref)410 static zend_always_inline zend_bool zval_set_isref_to_p(zval* pz, zend_bool isref) {
411 return pz->is_ref__gc = isref;
412 }
413
414 /* excpt.h on Digital Unix 4.0 defines function_table */
415 #undef function_table
416
417 /* A lot of stuff needs shifiting around in order to include zend_compile.h here */
418 union _zend_function;
419
420 #include "zend_iterators.h"
421
422 struct _zend_serialize_data;
423 struct _zend_unserialize_data;
424
425 typedef struct _zend_serialize_data zend_serialize_data;
426 typedef struct _zend_unserialize_data zend_unserialize_data;
427
428 struct _zend_trait_method_reference {
429 const char* method_name;
430 unsigned int mname_len;
431
432 zend_class_entry *ce;
433
434 const char* class_name;
435 unsigned int cname_len;
436 };
437 typedef struct _zend_trait_method_reference zend_trait_method_reference;
438
439 struct _zend_trait_precedence {
440 zend_trait_method_reference *trait_method;
441
442 zend_class_entry** exclude_from_classes;
443
444 union _zend_function* function; /* FIXME: kept in 5.4 for BC, not used */
445 };
446 typedef struct _zend_trait_precedence zend_trait_precedence;
447
448 struct _zend_trait_alias {
449 zend_trait_method_reference *trait_method;
450
451 /**
452 * name for method to be added
453 */
454 const char* alias;
455 unsigned int alias_len;
456
457 /**
458 * modifiers to be set on trait method
459 */
460 zend_uint modifiers;
461
462 union _zend_function* function; /* FIXME: kept in 5.4 for BC, not used */
463 };
464 typedef struct _zend_trait_alias zend_trait_alias;
465
466 struct _zend_class_entry {
467 char type;
468 const char *name;
469 zend_uint name_length;
470 struct _zend_class_entry *parent;
471 int refcount;
472 zend_uint ce_flags;
473
474 HashTable function_table;
475 HashTable properties_info;
476 zval **default_properties_table;
477 zval **default_static_members_table;
478 zval **static_members_table;
479 HashTable constants_table;
480 int default_properties_count;
481 int default_static_members_count;
482
483 union _zend_function *constructor;
484 union _zend_function *destructor;
485 union _zend_function *clone;
486 union _zend_function *__get;
487 union _zend_function *__set;
488 union _zend_function *__unset;
489 union _zend_function *__isset;
490 union _zend_function *__call;
491 union _zend_function *__callstatic;
492 union _zend_function *__tostring;
493 union _zend_function *serialize_func;
494 union _zend_function *unserialize_func;
495
496 zend_class_iterator_funcs iterator_funcs;
497
498 /* handlers */
499 zend_object_value (*create_object)(zend_class_entry *class_type TSRMLS_DC);
500 zend_object_iterator *(*get_iterator)(zend_class_entry *ce, zval *object, int by_ref TSRMLS_DC);
501 int (*interface_gets_implemented)(zend_class_entry *iface, zend_class_entry *class_type TSRMLS_DC); /* a class implements this interface */
502 union _zend_function *(*get_static_method)(zend_class_entry *ce, char* method, int method_len TSRMLS_DC);
503
504 /* serializer callbacks */
505 int (*serialize)(zval *object, unsigned char **buffer, zend_uint *buf_len, zend_serialize_data *data TSRMLS_DC);
506 int (*unserialize)(zval **object, zend_class_entry *ce, const unsigned char *buf, zend_uint buf_len, zend_unserialize_data *data TSRMLS_DC);
507
508 zend_class_entry **interfaces;
509 zend_uint num_interfaces;
510
511 zend_class_entry **traits;
512 zend_uint num_traits;
513 zend_trait_alias **trait_aliases;
514 zend_trait_precedence **trait_precedences;
515
516 union {
517 struct {
518 const char *filename;
519 zend_uint line_start;
520 zend_uint line_end;
521 const char *doc_comment;
522 zend_uint doc_comment_len;
523 } user;
524 struct {
525 const struct _zend_function_entry *builtin_functions;
526 struct _zend_module_entry *module;
527 } internal;
528 } info;
529 };
530
531 #include "zend_stream.h"
532 typedef struct _zend_utility_functions {
533 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);
534 int (*printf_function)(const char *format, ...) ZEND_ATTRIBUTE_PTR_FORMAT(printf, 1, 2);
535 int (*write_function)(const char *str, uint str_length);
536 FILE *(*fopen_function)(const char *filename, char **opened_path TSRMLS_DC);
537 void (*message_handler)(long message, const void *data TSRMLS_DC);
538 void (*block_interruptions)(void);
539 void (*unblock_interruptions)(void);
540 int (*get_configuration_directive)(const char *name, uint name_length, zval *contents);
541 void (*ticks_function)(int ticks);
542 void (*on_timeout)(int seconds TSRMLS_DC);
543 int (*stream_open_function)(const char *filename, zend_file_handle *handle TSRMLS_DC);
544 int (*vspprintf_function)(char **pbuf, size_t max_len, const char *format, va_list ap);
545 char *(*getenv_function)(char *name, size_t name_len TSRMLS_DC);
546 char *(*resolve_path_function)(const char *filename, int filename_len TSRMLS_DC);
547 } zend_utility_functions;
548
549 typedef struct _zend_utility_values {
550 char *import_use_extension;
551 uint import_use_extension_length;
552 zend_bool html_errors;
553 } zend_utility_values;
554
555 typedef int (*zend_write_func_t)(const char *str, uint str_length);
556
557 #undef MIN
558 #undef MAX
559 #define MAX(a, b) (((a)>(b))?(a):(b))
560 #define MIN(a, b) (((a)<(b))?(a):(b))
561 #define ZEND_STRL(str) (str), (sizeof(str)-1)
562 #define ZEND_STRS(str) (str), (sizeof(str))
563 #define ZEND_NORMALIZE_BOOL(n) \
564 ((n) ? (((n)>0) ? 1 : -1) : 0)
565 #define ZEND_TRUTH(x) ((x) ? 1 : 0)
566 #define ZEND_LOG_XOR(a, b) (ZEND_TRUTH(a) ^ ZEND_TRUTH(b))
567
568 /* data types */
569 /* All data types <= IS_BOOL have their constructor/destructors skipped */
570 #define IS_NULL 0
571 #define IS_LONG 1
572 #define IS_DOUBLE 2
573 #define IS_BOOL 3
574 #define IS_ARRAY 4
575 #define IS_OBJECT 5
576 #define IS_STRING 6
577 #define IS_RESOURCE 7
578 #define IS_CONSTANT 8
579 #define IS_CONSTANT_ARRAY 9
580 #define IS_CALLABLE 10
581
582 /* Ugly hack to support constants as static array indices */
583 #define IS_CONSTANT_TYPE_MASK 0x00f
584 #define IS_CONSTANT_UNQUALIFIED 0x010
585 #define IS_CONSTANT_INDEX 0x080
586 #define IS_LEXICAL_VAR 0x020
587 #define IS_LEXICAL_REF 0x040
588 #define IS_CONSTANT_IN_NAMESPACE 0x100
589
590 /* overloaded elements data types */
591 #define OE_IS_ARRAY (1<<0)
592 #define OE_IS_OBJECT (1<<1)
593 #define OE_IS_METHOD (1<<2)
594
595 int zend_startup(zend_utility_functions *utility_functions, char **extensions TSRMLS_DC);
596 void zend_shutdown(TSRMLS_D);
597 void zend_register_standard_ini_entries(TSRMLS_D);
598 void zend_post_startup(TSRMLS_D);
599 void zend_set_utility_values(zend_utility_values *utility_values);
600
601 BEGIN_EXTERN_C()
602 ZEND_API void _zend_bailout(char *filename, uint lineno);
603 END_EXTERN_C()
604
605 #define zend_bailout() _zend_bailout(__FILE__, __LINE__)
606
607 #ifdef HAVE_SIGSETJMP
608 # define SETJMP(a) sigsetjmp(a, 0)
609 # define LONGJMP(a,b) siglongjmp(a, b)
610 # define JMP_BUF sigjmp_buf
611 #else
612 # define SETJMP(a) setjmp(a)
613 # define LONGJMP(a,b) longjmp(a, b)
614 # define JMP_BUF jmp_buf
615 #endif
616
617 #define zend_try \
618 { \
619 JMP_BUF *__orig_bailout = EG(bailout); \
620 JMP_BUF __bailout; \
621 \
622 EG(bailout) = &__bailout; \
623 if (SETJMP(__bailout)==0) {
624 #define zend_catch \
625 } else { \
626 EG(bailout) = __orig_bailout;
627 #define zend_end_try() \
628 } \
629 EG(bailout) = __orig_bailout; \
630 }
631 #define zend_first_try EG(bailout)=NULL; zend_try
632
633 BEGIN_EXTERN_C()
634 ZEND_API char *get_zend_version(void);
635 ZEND_API void zend_make_printable_zval(zval *expr, zval *expr_copy, int *use_copy);
636 ZEND_API int zend_print_zval(zval *expr, int indent);
637 ZEND_API int zend_print_zval_ex(zend_write_func_t write_func, zval *expr, int indent);
638 ZEND_API void zend_print_zval_r(zval *expr, int indent TSRMLS_DC);
639 ZEND_API void zend_print_flat_zval_r(zval *expr TSRMLS_DC);
640 ZEND_API void zend_print_zval_r_ex(zend_write_func_t write_func, zval *expr, int indent TSRMLS_DC);
641 ZEND_API void zend_output_debug_string(zend_bool trigger_break, const char *format, ...) ZEND_ATTRIBUTE_FORMAT(printf, 2, 3);
642 END_EXTERN_C()
643
644 void zend_activate(TSRMLS_D);
645 void zend_deactivate(TSRMLS_D);
646 void zend_call_destructors(TSRMLS_D);
647 void zend_activate_modules(TSRMLS_D);
648 void zend_deactivate_modules(TSRMLS_D);
649 void zend_post_deactivate_modules(TSRMLS_D);
650
651 #if ZEND_DEBUG
652 #define Z_DBG(expr) (expr)
653 #else
654 #define Z_DBG(expr)
655 #endif
656
657 BEGIN_EXTERN_C()
658 ZEND_API void free_estring(char **str_p);
659 END_EXTERN_C()
660
661 /* FIXME: Check if we can save if (ptr) too */
662
663 #define STR_FREE(ptr) if (ptr && !IS_INTERNED(ptr)) { efree(ptr); }
664 #define STR_FREE_REL(ptr) if (ptr && !IS_INTERNED(ptr)) { efree_rel(ptr); }
665
666 #define STR_EMPTY_ALLOC() estrndup("", sizeof("")-1)
667
668 #define STR_REALLOC(ptr, size) \
669 ptr = (char *) erealloc(ptr, size);
670
671 /* output support */
672 #define ZEND_WRITE(str, str_len) zend_write((str), (str_len))
673 #define ZEND_WRITE_EX(str, str_len) write_func((str), (str_len))
674 #define ZEND_PUTS(str) zend_write((str), strlen((str)))
675 #define ZEND_PUTS_EX(str) write_func((str), strlen((str)))
676 #define ZEND_PUTC(c) zend_write(&(c), 1), (c)
677
678 BEGIN_EXTERN_C()
679 extern ZEND_API int (*zend_printf)(const char *format, ...) ZEND_ATTRIBUTE_PTR_FORMAT(printf, 1, 2);
680 extern ZEND_API zend_write_func_t zend_write;
681 extern ZEND_API FILE *(*zend_fopen)(const char *filename, char **opened_path TSRMLS_DC);
682 extern ZEND_API void (*zend_block_interruptions)(void);
683 extern ZEND_API void (*zend_unblock_interruptions)(void);
684 extern ZEND_API void (*zend_ticks_function)(int ticks);
685 extern 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);
686 extern ZEND_API void (*zend_on_timeout)(int seconds TSRMLS_DC);
687 extern ZEND_API int (*zend_stream_open_function)(const char *filename, zend_file_handle *handle TSRMLS_DC);
688 extern int (*zend_vspprintf)(char **pbuf, size_t max_len, const char *format, va_list ap);
689 extern ZEND_API char *(*zend_getenv)(char *name, size_t name_len TSRMLS_DC);
690 extern ZEND_API char *(*zend_resolve_path)(const char *filename, int filename_len TSRMLS_DC);
691
692 ZEND_API void zend_error(int type, const char *format, ...) ZEND_ATTRIBUTE_FORMAT(printf, 2, 3);
693
694 void zenderror(const char *error);
695
696 /* The following #define is used for code duality in PHP for Engine 1 & 2 */
697 #define ZEND_STANDARD_CLASS_DEF_PTR zend_standard_class_def
698 extern ZEND_API zend_class_entry *zend_standard_class_def;
699 extern ZEND_API zend_utility_values zend_uv;
700 extern ZEND_API zval zval_used_for_init;
701
702 END_EXTERN_C()
703
704 #define ZEND_UV(name) (zend_uv.name)
705
706 #ifndef ZEND_SIGNALS
707 #define HANDLE_BLOCK_INTERRUPTIONS() if (zend_block_interruptions) { zend_block_interruptions(); }
708 #define HANDLE_UNBLOCK_INTERRUPTIONS() if (zend_unblock_interruptions) { zend_unblock_interruptions(); }
709 #else
710 #include "zend_signal.h"
711
712 #define HANDLE_BLOCK_INTERRUPTIONS() ZEND_SIGNAL_BLOCK_INTERRUPUTIONS()
713 #define HANDLE_UNBLOCK_INTERRUPTIONS() ZEND_SIGNAL_UNBLOCK_INTERRUPTIONS()
714 #endif
715
716 BEGIN_EXTERN_C()
717 ZEND_API void zend_message_dispatcher(long message, const void *data TSRMLS_DC);
718
719 ZEND_API int zend_get_configuration_directive(const char *name, uint name_length, zval *contents);
720 END_EXTERN_C()
721
722 /* Messages for applications of Zend */
723 #define ZMSG_FAILED_INCLUDE_FOPEN 1L
724 #define ZMSG_FAILED_REQUIRE_FOPEN 2L
725 #define ZMSG_FAILED_HIGHLIGHT_FOPEN 3L
726 #define ZMSG_MEMORY_LEAK_DETECTED 4L
727 #define ZMSG_MEMORY_LEAK_REPEATED 5L
728 #define ZMSG_LOG_SCRIPT_NAME 6L
729 #define ZMSG_MEMORY_LEAKS_GRAND_TOTAL 7L
730
731 #define INIT_PZVAL(z) \
732 (z)->refcount__gc = 1; \
733 (z)->is_ref__gc = 0;
734
735 #define INIT_ZVAL(z) z = zval_used_for_init;
736
737 #define ALLOC_INIT_ZVAL(zp) \
738 ALLOC_ZVAL(zp); \
739 INIT_ZVAL(*zp);
740
741 #define MAKE_STD_ZVAL(zv) \
742 ALLOC_ZVAL(zv); \
743 INIT_PZVAL(zv);
744
745 #define PZVAL_IS_REF(z) Z_ISREF_P(z)
746
747 #define ZVAL_COPY_VALUE(z, v) \
748 do { \
749 (z)->value = (v)->value; \
750 Z_TYPE_P(z) = Z_TYPE_P(v); \
751 } while (0)
752
753 #define INIT_PZVAL_COPY(z, v) \
754 do { \
755 ZVAL_COPY_VALUE(z, v); \
756 Z_SET_REFCOUNT_P(z, 1); \
757 Z_UNSET_ISREF_P(z); \
758 } while (0)
759
760 #define SEPARATE_ZVAL(ppzv) \
761 do { \
762 if (Z_REFCOUNT_PP((ppzv)) > 1) { \
763 zval *new_zv; \
764 Z_DELREF_PP(ppzv); \
765 ALLOC_ZVAL(new_zv); \
766 INIT_PZVAL_COPY(new_zv, *(ppzv)); \
767 *(ppzv) = new_zv; \
768 zval_copy_ctor(new_zv); \
769 } \
770 } while (0)
771
772 #define SEPARATE_ZVAL_IF_NOT_REF(ppzv) \
773 if (!PZVAL_IS_REF(*ppzv)) { \
774 SEPARATE_ZVAL(ppzv); \
775 }
776
777 #define SEPARATE_ZVAL_TO_MAKE_IS_REF(ppzv) \
778 if (!PZVAL_IS_REF(*ppzv)) { \
779 SEPARATE_ZVAL(ppzv); \
780 Z_SET_ISREF_PP((ppzv)); \
781 }
782
783 #define COPY_PZVAL_TO_ZVAL(zv, pzv) \
784 (zv) = *(pzv); \
785 if (Z_REFCOUNT_P(pzv)>1) { \
786 zval_copy_ctor(&(zv)); \
787 Z_DELREF_P((pzv)); \
788 } else { \
789 FREE_ZVAL(pzv); \
790 } \
791 INIT_PZVAL(&(zv));
792
793 #define MAKE_COPY_ZVAL(ppzv, pzv) \
794 INIT_PZVAL_COPY(pzv, *(ppzv)); \
795 zval_copy_ctor((pzv));
796
797 #define REPLACE_ZVAL_VALUE(ppzv_dest, pzv_src, copy) { \
798 int is_ref, refcount; \
799 \
800 SEPARATE_ZVAL_IF_NOT_REF(ppzv_dest); \
801 is_ref = Z_ISREF_PP(ppzv_dest); \
802 refcount = Z_REFCOUNT_PP(ppzv_dest); \
803 zval_dtor(*ppzv_dest); \
804 ZVAL_COPY_VALUE(*ppzv_dest, pzv_src); \
805 if (copy) { \
806 zval_copy_ctor(*ppzv_dest); \
807 } \
808 Z_SET_ISREF_TO_PP(ppzv_dest, is_ref); \
809 Z_SET_REFCOUNT_PP(ppzv_dest, refcount); \
810 }
811
812 #define SEPARATE_ARG_IF_REF(varptr) \
813 if (PZVAL_IS_REF(varptr)) { \
814 zval *original_var = varptr; \
815 ALLOC_ZVAL(varptr); \
816 INIT_PZVAL_COPY(varptr, original_var); \
817 zval_copy_ctor(varptr); \
818 } else { \
819 Z_ADDREF_P(varptr); \
820 }
821
822 #define READY_TO_DESTROY(zv) \
823 (Z_REFCOUNT_P(zv) == 1 && \
824 (Z_TYPE_P(zv) != IS_OBJECT || \
825 zend_objects_store_get_refcount(zv TSRMLS_CC) == 1))
826
827 #define ZEND_MAX_RESERVED_RESOURCES 4
828
829 #include "zend_gc.h"
830 #include "zend_operators.h"
831 #include "zend_variables.h"
832
833 typedef enum {
834 EH_NORMAL = 0,
835 EH_SUPPRESS,
836 EH_THROW
837 } zend_error_handling_t;
838
839 typedef struct {
840 zend_error_handling_t handling;
841 zend_class_entry *exception;
842 zval *user_handler;
843 } zend_error_handling;
844
845 ZEND_API void zend_save_error_handling(zend_error_handling *current TSRMLS_DC);
846 ZEND_API void zend_replace_error_handling(zend_error_handling_t error_handling, zend_class_entry *exception_class, zend_error_handling *current TSRMLS_DC);
847 ZEND_API void zend_restore_error_handling(zend_error_handling *saved TSRMLS_DC);
848
849 #define DEBUG_BACKTRACE_PROVIDE_OBJECT (1<<0)
850 #define DEBUG_BACKTRACE_IGNORE_ARGS (1<<1)
851
852 #endif /* ZEND_H */
853
854 /*
855 * Local variables:
856 * tab-width: 4
857 * c-basic-offset: 4
858 * indent-tabs-mode: t
859 * End:
860 */
861
