Line data Source code
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 */
130 : char *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
271 : static const char long_min_digits[] = "2147483648";
272 : #elif SIZEOF_LONG == 8
273 : #define MAX_LENGTH_OF_LONG 20
274 : static const char long_min_digits[] = "9223372036854775808";
275 : #else
276 : #error "Unknown SIZEOF_LONG"
277 : #endif
278 :
279 : #define MAX_LENGTH_OF_DOUBLE 32
280 :
281 : typedef 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__)
294 : void 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 : */
302 : typedef struct _zend_class_entry zend_class_entry;
303 :
304 : typedef 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 :
312 : typedef 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 :
322 : typedef 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 :
334 : struct _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 :
398 828 : static zend_always_inline zend_uint zval_refcount_p(zval* pz) {
399 828 : return pz->refcount__gc;
400 : }
401 :
402 1044 : static zend_always_inline zend_uint zval_set_refcount_p(zval* pz, zend_uint rc) {
403 1044 : return pz->refcount__gc = rc;
404 : }
405 :
406 20432 : static zend_always_inline zend_uint zval_addref_p(zval* pz) {
407 20432 : return ++pz->refcount__gc;
408 : }
409 :
410 814 : static zend_always_inline zend_uint zval_delref_p(zval* pz) {
411 814 : return --pz->refcount__gc;
412 : }
413 :
414 2770 : static zend_always_inline zend_bool zval_isref_p(zval* pz) {
415 2770 : return pz->is_ref__gc;
416 : }
417 :
418 1 : static zend_always_inline zend_bool zval_set_isref_p(zval* pz) {
419 1 : return pz->is_ref__gc = 1;
420 : }
421 :
422 1033 : static zend_always_inline zend_bool zval_unset_isref_p(zval* pz) {
423 1033 : return pz->is_ref__gc = 0;
424 : }
425 :
426 : static 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 */
434 : union _zend_function;
435 :
436 : #include "zend_iterators.h"
437 :
438 : struct _zend_serialize_data;
439 : struct _zend_unserialize_data;
440 :
441 : typedef struct _zend_serialize_data zend_serialize_data;
442 : typedef struct _zend_unserialize_data zend_unserialize_data;
443 :
444 : struct _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 : };
453 : typedef struct _zend_trait_method_reference zend_trait_method_reference;
454 :
455 : struct _zend_trait_precedence {
456 : zend_trait_method_reference *trait_method;
457 :
458 : zend_class_entry** exclude_from_classes;
459 : };
460 : typedef struct _zend_trait_precedence zend_trait_precedence;
461 :
462 : struct _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 : };
476 : typedef struct _zend_trait_alias zend_trait_alias;
477 :
478 : struct _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"
545 : typedef 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 :
562 : typedef 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 :
568 : typedef 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 :
608 : int zend_startup(zend_utility_functions *utility_functions, char **extensions TSRMLS_DC);
609 : void zend_shutdown(TSRMLS_D);
610 : void zend_register_standard_ini_entries(TSRMLS_D);
611 : void zend_post_startup(TSRMLS_D);
612 : void zend_set_utility_values(zend_utility_values *utility_values);
613 :
614 : BEGIN_EXTERN_C()
615 : ZEND_API void _zend_bailout(char *filename, uint lineno);
616 : END_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 :
646 : BEGIN_EXTERN_C()
647 : ZEND_API char *get_zend_version(void);
648 : ZEND_API void zend_make_printable_zval(zval *expr, zval *expr_copy, int *use_copy);
649 : ZEND_API int zend_print_zval(zval *expr, int indent);
650 : ZEND_API int zend_print_zval_ex(zend_write_func_t write_func, zval *expr, int indent);
651 : ZEND_API void zend_print_zval_r(zval *expr, int indent TSRMLS_DC);
652 : ZEND_API void zend_print_flat_zval_r(zval *expr TSRMLS_DC);
653 : ZEND_API void zend_print_zval_r_ex(zend_write_func_t write_func, zval *expr, int indent TSRMLS_DC);
654 : ZEND_API void zend_output_debug_string(zend_bool trigger_break, const char *format, ...) ZEND_ATTRIBUTE_FORMAT(printf, 2, 3);
655 : END_EXTERN_C()
656 :
657 : BEGIN_EXTERN_C()
658 : ZEND_API void zend_activate(TSRMLS_D);
659 : ZEND_API void zend_deactivate(TSRMLS_D);
660 : ZEND_API void zend_call_destructors(TSRMLS_D);
661 : ZEND_API void zend_activate_modules(TSRMLS_D);
662 : ZEND_API void zend_deactivate_modules(TSRMLS_D);
663 : ZEND_API void zend_post_deactivate_modules(TSRMLS_D);
664 : END_EXTERN_C()
665 :
666 : #if ZEND_DEBUG
667 : #define Z_DBG(expr) (expr)
668 : #else
669 : #define Z_DBG(expr)
670 : #endif
671 :
672 : BEGIN_EXTERN_C()
673 : ZEND_API void free_estring(char **str_p);
674 : END_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 :
697 : BEGIN_EXTERN_C()
698 : extern ZEND_API int (*zend_printf)(const char *format, ...) ZEND_ATTRIBUTE_PTR_FORMAT(printf, 1, 2);
699 : extern ZEND_API zend_write_func_t zend_write;
700 : extern ZEND_API FILE *(*zend_fopen)(const char *filename, char **opened_path TSRMLS_DC);
701 : extern ZEND_API void (*zend_block_interruptions)(void);
702 : extern ZEND_API void (*zend_unblock_interruptions)(void);
703 : extern ZEND_API void (*zend_ticks_function)(int ticks);
704 : 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);
705 : extern ZEND_API void (*zend_on_timeout)(int seconds TSRMLS_DC);
706 : extern ZEND_API int (*zend_stream_open_function)(const char *filename, zend_file_handle *handle TSRMLS_DC);
707 : extern int (*zend_vspprintf)(char **pbuf, size_t max_len, const char *format, va_list ap);
708 : extern ZEND_API char *(*zend_getenv)(char *name, size_t name_len TSRMLS_DC);
709 : extern ZEND_API char *(*zend_resolve_path)(const char *filename, int filename_len TSRMLS_DC);
710 :
711 : ZEND_API void zend_error(int type, const char *format, ...) ZEND_ATTRIBUTE_FORMAT(printf, 2, 3);
712 :
713 : void 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
717 : extern ZEND_API zend_class_entry *zend_standard_class_def;
718 : extern ZEND_API zend_utility_values zend_uv;
719 : extern ZEND_API zval zval_used_for_init;
720 :
721 : END_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 :
735 : BEGIN_EXTERN_C()
736 : ZEND_API void zend_message_dispatcher(long message, const void *data TSRMLS_DC);
737 :
738 : ZEND_API int zend_get_configuration_directive(const char *name, uint name_length, zval *contents);
739 : END_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 :
852 : typedef enum {
853 : EH_NORMAL = 0,
854 : EH_SUPPRESS,
855 : EH_THROW
856 : } zend_error_handling_t;
857 :
858 : typedef struct {
859 : zend_error_handling_t handling;
860 : zend_class_entry *exception;
861 : zval *user_handler;
862 : } zend_error_handling;
863 :
864 : ZEND_API void zend_save_error_handling(zend_error_handling *current TSRMLS_DC);
865 : ZEND_API void zend_replace_error_handling(zend_error_handling_t error_handling, zend_class_entry *exception_class, zend_error_handling *current TSRMLS_DC);
866 : ZEND_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 : */
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