Annotation of embedaddon/php/Zend/zend_execute.c, revision 1.1.1.4
1.1 misho 1: /*
2: +----------------------------------------------------------------------+
3: | Zend Engine |
4: +----------------------------------------------------------------------+
1.1.1.4 ! misho 5: | Copyright (c) 1998-2014 Zend Technologies Ltd. (http://www.zend.com) |
1.1 misho 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:
1.1.1.2 misho 20: /* $Id$ */
1.1 misho 21:
22: #define ZEND_INTENSIVE_DEBUGGING 0
23:
24: #include <stdio.h>
25: #include <signal.h>
26:
27: #include "zend.h"
28: #include "zend_compile.h"
29: #include "zend_execute.h"
30: #include "zend_API.h"
31: #include "zend_ptr_stack.h"
32: #include "zend_constants.h"
33: #include "zend_extensions.h"
34: #include "zend_ini.h"
35: #include "zend_exceptions.h"
36: #include "zend_interfaces.h"
37: #include "zend_closures.h"
38: #include "zend_vm.h"
1.1.1.2 misho 39: #include "zend_dtrace.h"
1.1 misho 40:
41: /* Virtual current working directory support */
42: #include "tsrm_virtual_cwd.h"
43:
44: #define _CONST_CODE 0
45: #define _TMP_CODE 1
46: #define _VAR_CODE 2
47: #define _UNUSED_CODE 3
48: #define _CV_CODE 4
49:
50: typedef int (*incdec_t)(zval *);
51:
1.1.1.2 misho 52: #define get_zval_ptr(op_type, node, Ts, should_free, type) _get_zval_ptr(op_type, node, Ts, should_free, type TSRMLS_CC)
53: #define get_zval_ptr_ptr(op_type, node, Ts, should_free, type) _get_zval_ptr_ptr(op_type, node, Ts, should_free, type TSRMLS_CC)
54: #define get_obj_zval_ptr(op_type, node, Ts, should_free, type) _get_obj_zval_ptr(op_type, node, Ts, should_free, type TSRMLS_CC)
55: #define get_obj_zval_ptr_ptr(op_type, node, Ts, should_free, type) _get_obj_zval_ptr_ptr(op_type, node, Ts, should_free, type TSRMLS_CC)
1.1 misho 56:
57: /* Prototypes */
58: static void zend_extension_statement_handler(const zend_extension *extension, zend_op_array *op_array TSRMLS_DC);
59: static void zend_extension_fcall_begin_handler(const zend_extension *extension, zend_op_array *op_array TSRMLS_DC);
60: static void zend_extension_fcall_end_handler(const zend_extension *extension, zend_op_array *op_array TSRMLS_DC);
61:
1.1.1.2 misho 62: #define RETURN_VALUE_USED(opline) (!((opline)->result_type & EXT_TYPE_UNUSED))
1.1 misho 63:
64: #define T(offset) (*(temp_variable *)((char *) Ts + offset))
1.1.1.2 misho 65: #define CV(var) CVs[var]
1.1 misho 66:
67: #define TEMP_VAR_STACK_LIMIT 2000
68:
69: static zend_always_inline void zend_pzval_unlock_func(zval *z, zend_free_op *should_free, int unref TSRMLS_DC)
70: {
71: if (!Z_DELREF_P(z)) {
72: Z_SET_REFCOUNT_P(z, 1);
73: Z_UNSET_ISREF_P(z);
74: should_free->var = z;
75: /* should_free->is_var = 1; */
76: } else {
77: should_free->var = 0;
78: if (unref && Z_ISREF_P(z) && Z_REFCOUNT_P(z) == 1) {
79: Z_UNSET_ISREF_P(z);
80: }
81: GC_ZVAL_CHECK_POSSIBLE_ROOT(z);
82: }
83: }
84:
85: static zend_always_inline void zend_pzval_unlock_free_func(zval *z TSRMLS_DC)
86: {
87: if (!Z_DELREF_P(z)) {
88: if (z != &EG(uninitialized_zval)) {
89: GC_REMOVE_ZVAL_FROM_BUFFER(z);
90: zval_dtor(z);
91: efree(z);
92: }
93: }
94: }
95:
1.1.1.2 misho 96: #undef zval_ptr_dtor
97: #define zval_ptr_dtor(pzv) i_zval_ptr_dtor(*(pzv) ZEND_FILE_LINE_CC)
98:
1.1 misho 99: #define PZVAL_UNLOCK(z, f) zend_pzval_unlock_func(z, f, 1 TSRMLS_CC)
100: #define PZVAL_UNLOCK_EX(z, f, u) zend_pzval_unlock_func(z, f, u TSRMLS_CC)
101: #define PZVAL_UNLOCK_FREE(z) zend_pzval_unlock_free_func(z TSRMLS_CC)
102: #define PZVAL_LOCK(z) Z_ADDREF_P((z))
1.1.1.2 misho 103: #define SELECTIVE_PZVAL_LOCK(pzv, opline) if (RETURN_VALUE_USED(opline)) { PZVAL_LOCK(pzv); }
1.1 misho 104:
1.1.1.2 misho 105: #define EXTRACT_ZVAL_PTR(t) do { \
106: temp_variable *__t = (t); \
107: if (__t->var.ptr_ptr) { \
108: __t->var.ptr = *__t->var.ptr_ptr; \
109: __t->var.ptr_ptr = &__t->var.ptr; \
110: if (!PZVAL_IS_REF(__t->var.ptr) && \
111: Z_REFCOUNT_P(__t->var.ptr) > 2) { \
112: SEPARATE_ZVAL(__t->var.ptr_ptr); \
113: } \
114: } \
115: } while (0)
1.1 misho 116:
1.1.1.2 misho 117: #define AI_SET_PTR(t, val) do { \
118: temp_variable *__t = (t); \
119: __t->var.ptr = (val); \
120: __t->var.ptr_ptr = &__t->var.ptr; \
121: } while (0)
1.1 misho 122:
123: #define FREE_OP(should_free) \
124: if (should_free.var) { \
125: if ((zend_uintptr_t)should_free.var & 1L) { \
126: zval_dtor((zval*)((zend_uintptr_t)should_free.var & ~1L)); \
127: } else { \
128: zval_ptr_dtor(&should_free.var); \
129: } \
130: }
131:
132: #define FREE_OP_IF_VAR(should_free) \
133: if (should_free.var != NULL && (((zend_uintptr_t)should_free.var & 1L) == 0)) { \
134: zval_ptr_dtor(&should_free.var); \
135: }
136:
137: #define FREE_OP_VAR_PTR(should_free) \
138: if (should_free.var) { \
139: zval_ptr_dtor(&should_free.var); \
140: }
141:
142: #define TMP_FREE(z) (zval*)(((zend_uintptr_t)(z)) | 1L)
143:
144: #define IS_TMP_FREE(should_free) ((zend_uintptr_t)should_free.var & 1L)
145:
146: #define MAKE_REAL_ZVAL_PTR(val) \
147: do { \
148: zval *_tmp; \
149: ALLOC_ZVAL(_tmp); \
1.1.1.2 misho 150: INIT_PZVAL_COPY(_tmp, (val)); \
151: (val) = _tmp; \
1.1 misho 152: } while (0)
153:
154: /* End of zend_execute_locks.h */
155:
156: #define CV_OF(i) (EG(current_execute_data)->CVs[i])
157: #define CV_DEF_OF(i) (EG(active_op_array)->vars[i])
158:
159: #define CTOR_CALL_BIT 0x1
160: #define CTOR_USED_BIT 0x2
161:
162: #define IS_CTOR_CALL(ce) (((zend_uintptr_t)(ce)) & CTOR_CALL_BIT)
163: #define IS_CTOR_USED(ce) (((zend_uintptr_t)(ce)) & CTOR_USED_BIT)
164:
165: #define ENCODE_CTOR(ce, used) \
166: ((zend_class_entry*)(((zend_uintptr_t)(ce)) | CTOR_CALL_BIT | ((used) ? CTOR_USED_BIT : 0)))
167: #define DECODE_CTOR(ce) \
168: ((zend_class_entry*)(((zend_uintptr_t)(ce)) & ~(CTOR_CALL_BIT|CTOR_USED_BIT)))
169:
170: ZEND_API zval** zend_get_compiled_variable_value(const zend_execute_data *execute_data_ptr, zend_uint var)
171: {
172: return execute_data_ptr->CVs[var];
173: }
174:
1.1.1.2 misho 175: static zend_always_inline zval *_get_zval_ptr_tmp(zend_uint var, const temp_variable *Ts, zend_free_op *should_free TSRMLS_DC)
1.1 misho 176: {
1.1.1.2 misho 177: return should_free->var = &T(var).tmp_var;
1.1 misho 178: }
179:
1.1.1.2 misho 180: static zend_always_inline zval *_get_zval_ptr_var(zend_uint var, const temp_variable *Ts, zend_free_op *should_free TSRMLS_DC)
1.1 misho 181: {
1.1.1.2 misho 182: zval *ptr = T(var).var.ptr;
1.1 misho 183:
1.1.1.2 misho 184: PZVAL_UNLOCK(ptr, should_free);
1.1 misho 185: return ptr;
186: }
187:
1.1.1.2 misho 188: static zend_never_inline zval **_get_zval_cv_lookup(zval ***ptr, zend_uint var, int type TSRMLS_DC)
1.1 misho 189: {
190: zend_compiled_variable *cv = &CV_DEF_OF(var);
191:
192: if (!EG(active_symbol_table) ||
193: zend_hash_quick_find(EG(active_symbol_table), cv->name, cv->name_len+1, cv->hash_value, (void **)ptr)==FAILURE) {
194: switch (type) {
195: case BP_VAR_R:
196: case BP_VAR_UNSET:
197: zend_error(E_NOTICE, "Undefined variable: %s", cv->name);
198: /* break missing intentionally */
199: case BP_VAR_IS:
200: return &EG(uninitialized_zval_ptr);
201: break;
202: case BP_VAR_RW:
203: zend_error(E_NOTICE, "Undefined variable: %s", cv->name);
204: /* break missing intentionally */
205: case BP_VAR_W:
206: Z_ADDREF(EG(uninitialized_zval));
207: if (!EG(active_symbol_table)) {
208: *ptr = (zval**)EG(current_execute_data)->CVs + (EG(active_op_array)->last_var + var);
209: **ptr = &EG(uninitialized_zval);
210: } else {
211: zend_hash_quick_update(EG(active_symbol_table), cv->name, cv->name_len+1, cv->hash_value, &EG(uninitialized_zval_ptr), sizeof(zval *), (void **)ptr);
212: }
213: break;
214: }
215: }
216: return *ptr;
217: }
218:
1.1.1.2 misho 219: static zend_never_inline zval **_get_zval_cv_lookup_BP_VAR_R(zval ***ptr, zend_uint var TSRMLS_DC)
220: {
221: zend_compiled_variable *cv = &CV_DEF_OF(var);
222:
223: if (!EG(active_symbol_table) ||
224: zend_hash_quick_find(EG(active_symbol_table), cv->name, cv->name_len+1, cv->hash_value, (void **)ptr)==FAILURE) {
225: zend_error(E_NOTICE, "Undefined variable: %s", cv->name);
226: return &EG(uninitialized_zval_ptr);
227: }
228: return *ptr;
229: }
230:
231: static zend_never_inline zval **_get_zval_cv_lookup_BP_VAR_UNSET(zval ***ptr, zend_uint var TSRMLS_DC)
232: {
233: zend_compiled_variable *cv = &CV_DEF_OF(var);
234:
235: if (!EG(active_symbol_table) ||
236: zend_hash_quick_find(EG(active_symbol_table), cv->name, cv->name_len+1, cv->hash_value, (void **)ptr)==FAILURE) {
237: zend_error(E_NOTICE, "Undefined variable: %s", cv->name);
238: return &EG(uninitialized_zval_ptr);
239: }
240: return *ptr;
241: }
242:
243: static zend_never_inline zval **_get_zval_cv_lookup_BP_VAR_IS(zval ***ptr, zend_uint var TSRMLS_DC)
244: {
245: zend_compiled_variable *cv = &CV_DEF_OF(var);
246:
247: if (!EG(active_symbol_table) ||
248: zend_hash_quick_find(EG(active_symbol_table), cv->name, cv->name_len+1, cv->hash_value, (void **)ptr)==FAILURE) {
249: return &EG(uninitialized_zval_ptr);
250: }
251: return *ptr;
252: }
253:
254: static zend_never_inline zval **_get_zval_cv_lookup_BP_VAR_RW(zval ***ptr, zend_uint var TSRMLS_DC)
255: {
256: zend_compiled_variable *cv = &CV_DEF_OF(var);
257:
258: if (!EG(active_symbol_table)) {
259: Z_ADDREF(EG(uninitialized_zval));
260: *ptr = (zval**)EG(current_execute_data)->CVs + (EG(active_op_array)->last_var + var);
261: **ptr = &EG(uninitialized_zval);
262: zend_error(E_NOTICE, "Undefined variable: %s", cv->name);
263: } else if (zend_hash_quick_find(EG(active_symbol_table), cv->name, cv->name_len+1, cv->hash_value, (void **)ptr)==FAILURE) {
264: Z_ADDREF(EG(uninitialized_zval));
265: zend_hash_quick_update(EG(active_symbol_table), cv->name, cv->name_len+1, cv->hash_value, &EG(uninitialized_zval_ptr), sizeof(zval *), (void **)ptr);
266: zend_error(E_NOTICE, "Undefined variable: %s", cv->name);
267: }
268: return *ptr;
269: }
270:
271: static zend_never_inline zval **_get_zval_cv_lookup_BP_VAR_W(zval ***ptr, zend_uint var TSRMLS_DC)
272: {
273: zend_compiled_variable *cv = &CV_DEF_OF(var);
274:
275: if (!EG(active_symbol_table)) {
276: Z_ADDREF(EG(uninitialized_zval));
277: *ptr = (zval**)EG(current_execute_data)->CVs + (EG(active_op_array)->last_var + var);
278: **ptr = &EG(uninitialized_zval);
279: } else if (zend_hash_quick_find(EG(active_symbol_table), cv->name, cv->name_len+1, cv->hash_value, (void **)ptr)==FAILURE) {
280: Z_ADDREF(EG(uninitialized_zval));
281: zend_hash_quick_update(EG(active_symbol_table), cv->name, cv->name_len+1, cv->hash_value, &EG(uninitialized_zval_ptr), sizeof(zval *), (void **)ptr);
282: }
283: return *ptr;
284: }
285:
286: static zend_always_inline zval *_get_zval_ptr_cv(zend_uint var, int type TSRMLS_DC)
287: {
288: zval ***ptr = &CV_OF(var);
289:
290: if (UNEXPECTED(*ptr == NULL)) {
291: return *_get_zval_cv_lookup(ptr, var, type TSRMLS_CC);
292: }
293: return **ptr;
294: }
295:
296: static zend_always_inline zval *_get_zval_ptr_cv_BP_VAR_R(zval ***CVs, zend_uint var TSRMLS_DC)
297: {
298: zval ***ptr = &CV(var);
299:
300: if (UNEXPECTED(*ptr == NULL)) {
301: return *_get_zval_cv_lookup_BP_VAR_R(ptr, var TSRMLS_CC);
302: }
303: return **ptr;
304: }
305:
306: static zend_always_inline zval *_get_zval_ptr_cv_BP_VAR_UNSET(zval ***CVs, zend_uint var TSRMLS_DC)
307: {
308: zval ***ptr = &CV(var);
309:
310: if (UNEXPECTED(*ptr == NULL)) {
311: return *_get_zval_cv_lookup_BP_VAR_UNSET(ptr, var TSRMLS_CC);
312: }
313: return **ptr;
314: }
315:
316: static zend_always_inline zval *_get_zval_ptr_cv_BP_VAR_IS(zval ***CVs, zend_uint var TSRMLS_DC)
317: {
318: zval ***ptr = &CV(var);
319:
320: if (UNEXPECTED(*ptr == NULL)) {
321: return *_get_zval_cv_lookup_BP_VAR_IS(ptr, var TSRMLS_CC);
322: }
323: return **ptr;
324: }
325:
326: static zend_always_inline zval *_get_zval_ptr_cv_BP_VAR_RW(zval ***CVs, zend_uint var TSRMLS_DC)
327: {
328: zval ***ptr = &CV(var);
329:
330: if (UNEXPECTED(*ptr == NULL)) {
331: return *_get_zval_cv_lookup_BP_VAR_RW(ptr, var TSRMLS_CC);
332: }
333: return **ptr;
334: }
335:
336: static zend_always_inline zval *_get_zval_ptr_cv_BP_VAR_W(zval ***CVs, zend_uint var TSRMLS_DC)
1.1 misho 337: {
1.1.1.2 misho 338: zval ***ptr = &CV(var);
1.1 misho 339:
340: if (UNEXPECTED(*ptr == NULL)) {
1.1.1.2 misho 341: return *_get_zval_cv_lookup_BP_VAR_W(ptr, var TSRMLS_CC);
1.1 misho 342: }
343: return **ptr;
344: }
345:
1.1.1.2 misho 346: static inline zval *_get_zval_ptr(int op_type, const znode_op *node, const temp_variable *Ts, zend_free_op *should_free, int type TSRMLS_DC)
1.1 misho 347: {
348: /* should_free->is_var = 0; */
1.1.1.2 misho 349: switch (op_type) {
1.1 misho 350: case IS_CONST:
351: should_free->var = 0;
1.1.1.2 misho 352: return node->zv;
1.1 misho 353: break;
354: case IS_TMP_VAR:
1.1.1.2 misho 355: should_free->var = TMP_FREE(&T(node->var).tmp_var);
356: return &T(node->var).tmp_var;
1.1 misho 357: break;
358: case IS_VAR:
1.1.1.2 misho 359: return _get_zval_ptr_var(node->var, Ts, should_free TSRMLS_CC);
1.1 misho 360: break;
361: case IS_UNUSED:
362: should_free->var = 0;
363: return NULL;
364: break;
365: case IS_CV:
366: should_free->var = 0;
1.1.1.2 misho 367: return _get_zval_ptr_cv(node->var, type TSRMLS_CC);
1.1 misho 368: break;
369: EMPTY_SWITCH_DEFAULT_CASE()
370: }
371: return NULL;
372: }
373:
1.1.1.2 misho 374: static zend_always_inline zval **_get_zval_ptr_ptr_var(zend_uint var, const temp_variable *Ts, zend_free_op *should_free TSRMLS_DC)
1.1 misho 375: {
1.1.1.2 misho 376: zval** ptr_ptr = T(var).var.ptr_ptr;
1.1 misho 377:
378: if (EXPECTED(ptr_ptr != NULL)) {
379: PZVAL_UNLOCK(*ptr_ptr, should_free);
380: } else {
381: /* string offset */
1.1.1.2 misho 382: PZVAL_UNLOCK(T(var).str_offset.str, should_free);
1.1 misho 383: }
384: return ptr_ptr;
385: }
386:
1.1.1.2 misho 387: static zend_always_inline zval **_get_zval_ptr_ptr_cv(zend_uint var, int type TSRMLS_DC)
1.1 misho 388: {
1.1.1.2 misho 389: zval ***ptr = &CV_OF(var);
1.1 misho 390:
391: if (UNEXPECTED(*ptr == NULL)) {
1.1.1.2 misho 392: return _get_zval_cv_lookup(ptr, var, type TSRMLS_CC);
1.1 misho 393: }
394: return *ptr;
395: }
396:
1.1.1.2 misho 397: static zend_always_inline zval **_get_zval_ptr_ptr_cv_BP_VAR_R(zval ***CVs, zend_uint var TSRMLS_DC)
1.1 misho 398: {
1.1.1.2 misho 399: zval ***ptr = &CV(var);
400:
401: if (UNEXPECTED(*ptr == NULL)) {
402: return _get_zval_cv_lookup_BP_VAR_R(ptr, var TSRMLS_CC);
403: }
404: return *ptr;
405: }
406:
407: static zend_always_inline zval **_get_zval_ptr_ptr_cv_BP_VAR_UNSET(zval ***CVs, zend_uint var TSRMLS_DC)
408: {
409: zval ***ptr = &CV(var);
410:
411: if (UNEXPECTED(*ptr == NULL)) {
412: return _get_zval_cv_lookup_BP_VAR_UNSET(ptr, var TSRMLS_CC);
413: }
414: return *ptr;
415: }
416:
417: static zend_always_inline zval **_get_zval_ptr_ptr_cv_BP_VAR_IS(zval ***CVs, zend_uint var TSRMLS_DC)
418: {
419: zval ***ptr = &CV(var);
420:
421: if (UNEXPECTED(*ptr == NULL)) {
422: return _get_zval_cv_lookup_BP_VAR_IS(ptr, var TSRMLS_CC);
423: }
424: return *ptr;
425: }
426:
427: static zend_always_inline zval **_get_zval_ptr_ptr_cv_BP_VAR_RW(zval ***CVs, zend_uint var TSRMLS_DC)
428: {
429: zval ***ptr = &CV(var);
430:
431: if (UNEXPECTED(*ptr == NULL)) {
432: return _get_zval_cv_lookup_BP_VAR_RW(ptr, var TSRMLS_CC);
433: }
434: return *ptr;
435: }
436:
437: static zend_always_inline zval **_get_zval_ptr_ptr_cv_BP_VAR_W(zval ***CVs, zend_uint var TSRMLS_DC)
438: {
439: zval ***ptr = &CV(var);
440:
441: if (UNEXPECTED(*ptr == NULL)) {
442: return _get_zval_cv_lookup_BP_VAR_W(ptr, var TSRMLS_CC);
443: }
444: return *ptr;
445: }
446:
447: static inline zval **_get_zval_ptr_ptr(int op_type, const znode_op *node, const temp_variable *Ts, zend_free_op *should_free, int type TSRMLS_DC)
448: {
449: if (op_type == IS_CV) {
1.1 misho 450: should_free->var = 0;
1.1.1.2 misho 451: return _get_zval_ptr_ptr_cv(node->var, type TSRMLS_CC);
452: } else if (op_type == IS_VAR) {
453: return _get_zval_ptr_ptr_var(node->var, Ts, should_free TSRMLS_CC);
1.1 misho 454: } else {
455: should_free->var = 0;
456: return NULL;
457: }
458: }
459:
460: static zend_always_inline zval *_get_obj_zval_ptr_unused(TSRMLS_D)
461: {
462: if (EXPECTED(EG(This) != NULL)) {
463: return EG(This);
464: } else {
465: zend_error_noreturn(E_ERROR, "Using $this when not in object context");
466: return NULL;
467: }
468: }
469:
1.1.1.2 misho 470: static inline zval **_get_obj_zval_ptr_ptr(int op_type, const znode_op *op, const temp_variable *Ts, zend_free_op *should_free, int type TSRMLS_DC)
1.1 misho 471: {
1.1.1.2 misho 472: if (op_type == IS_UNUSED) {
1.1 misho 473: if (EXPECTED(EG(This) != NULL)) {
474: /* this should actually never be modified, _ptr_ptr is modified only when
475: the object is empty */
476: should_free->var = 0;
477: return &EG(This);
478: } else {
479: zend_error_noreturn(E_ERROR, "Using $this when not in object context");
480: }
481: }
1.1.1.2 misho 482: return get_zval_ptr_ptr(op_type, op, Ts, should_free, type);
1.1 misho 483: }
484:
485: static zend_always_inline zval **_get_obj_zval_ptr_ptr_unused(TSRMLS_D)
486: {
487: if (EXPECTED(EG(This) != NULL)) {
488: return &EG(This);
489: } else {
490: zend_error_noreturn(E_ERROR, "Using $this when not in object context");
491: return NULL;
492: }
493: }
494:
1.1.1.2 misho 495: static inline zval *_get_obj_zval_ptr(int op_type, znode_op *op, const temp_variable *Ts, zend_free_op *should_free, int type TSRMLS_DC)
1.1 misho 496: {
1.1.1.2 misho 497: if (op_type == IS_UNUSED) {
1.1 misho 498: if (EXPECTED(EG(This) != NULL)) {
499: should_free->var = 0;
500: return EG(This);
501: } else {
502: zend_error_noreturn(E_ERROR, "Using $this when not in object context");
503: }
504: }
1.1.1.2 misho 505: return get_zval_ptr(op_type, op, Ts, should_free, type);
1.1 misho 506: }
507:
508: static void zend_assign_to_variable_reference(zval **variable_ptr_ptr, zval **value_ptr_ptr TSRMLS_DC)
509: {
510: zval *variable_ptr = *variable_ptr_ptr;
511: zval *value_ptr = *value_ptr_ptr;
512:
1.1.1.2 misho 513: if (variable_ptr == &EG(error_zval) || value_ptr == &EG(error_zval)) {
1.1 misho 514: variable_ptr_ptr = &EG(uninitialized_zval_ptr);
515: } else if (variable_ptr != value_ptr) {
516: if (!PZVAL_IS_REF(value_ptr)) {
517: /* break it away */
518: Z_DELREF_P(value_ptr);
519: if (Z_REFCOUNT_P(value_ptr)>0) {
520: ALLOC_ZVAL(*value_ptr_ptr);
1.1.1.2 misho 521: ZVAL_COPY_VALUE(*value_ptr_ptr, value_ptr);
1.1 misho 522: value_ptr = *value_ptr_ptr;
523: zendi_zval_copy_ctor(*value_ptr);
524: }
525: Z_SET_REFCOUNT_P(value_ptr, 1);
526: Z_SET_ISREF_P(value_ptr);
527: }
528:
529: *variable_ptr_ptr = value_ptr;
530: Z_ADDREF_P(value_ptr);
531:
532: zval_ptr_dtor(&variable_ptr);
533: } else if (!Z_ISREF_P(variable_ptr)) {
534: if (variable_ptr_ptr == value_ptr_ptr) {
535: SEPARATE_ZVAL(variable_ptr_ptr);
1.1.1.2 misho 536: } else if (variable_ptr==&EG(uninitialized_zval)
1.1 misho 537: || Z_REFCOUNT_P(variable_ptr)>2) {
538: /* we need to separate */
539: Z_SET_REFCOUNT_P(variable_ptr, Z_REFCOUNT_P(variable_ptr) - 2);
540: ALLOC_ZVAL(*variable_ptr_ptr);
1.1.1.2 misho 541: ZVAL_COPY_VALUE(*variable_ptr_ptr, variable_ptr);
1.1 misho 542: zval_copy_ctor(*variable_ptr_ptr);
543: *value_ptr_ptr = *variable_ptr_ptr;
544: Z_SET_REFCOUNT_PP(variable_ptr_ptr, 2);
545: }
546: Z_SET_ISREF_PP(variable_ptr_ptr);
547: }
548: }
549:
550: /* this should modify object only if it's empty */
551: static inline void make_real_object(zval **object_ptr TSRMLS_DC)
552: {
553: if (Z_TYPE_PP(object_ptr) == IS_NULL
554: || (Z_TYPE_PP(object_ptr) == IS_BOOL && Z_LVAL_PP(object_ptr) == 0)
555: || (Z_TYPE_PP(object_ptr) == IS_STRING && Z_STRLEN_PP(object_ptr) == 0)
556: ) {
557: SEPARATE_ZVAL_IF_NOT_REF(object_ptr);
558: zval_dtor(*object_ptr);
559: object_init(*object_ptr);
1.1.1.3 misho 560: zend_error(E_WARNING, "Creating default object from empty value");
1.1 misho 561: }
562: }
563:
1.1.1.2 misho 564: ZEND_API char * zend_verify_arg_class_kind(const zend_arg_info *cur_arg_info, ulong fetch_type, const char **class_name, zend_class_entry **pce TSRMLS_DC)
1.1 misho 565: {
566: *pce = zend_fetch_class(cur_arg_info->class_name, cur_arg_info->class_name_len, (fetch_type | ZEND_FETCH_CLASS_AUTO | ZEND_FETCH_CLASS_NO_AUTOLOAD) TSRMLS_CC);
567:
568: *class_name = (*pce) ? (*pce)->name: cur_arg_info->class_name;
569: if (*pce && (*pce)->ce_flags & ZEND_ACC_INTERFACE) {
570: return "implement interface ";
571: } else {
572: return "be an instance of ";
573: }
574: }
575:
1.1.1.2 misho 576: ZEND_API int zend_verify_arg_error(int error_type, const zend_function *zf, zend_uint arg_num, const char *need_msg, const char *need_kind, const char *given_msg, const char *given_kind TSRMLS_DC)
1.1 misho 577: {
578: zend_execute_data *ptr = EG(current_execute_data)->prev_execute_data;
1.1.1.2 misho 579: const char *fname = zf->common.function_name;
1.1 misho 580: char *fsep;
1.1.1.2 misho 581: const char *fclass;
1.1 misho 582:
583: if (zf->common.scope) {
584: fsep = "::";
585: fclass = zf->common.scope->name;
586: } else {
587: fsep = "";
588: fclass = "";
589: }
590:
591: if (ptr && ptr->op_array) {
1.1.1.2 misho 592: zend_error(error_type, "Argument %d passed to %s%s%s() must %s%s, %s%s given, called in %s on line %d and defined", arg_num, fclass, fsep, fname, need_msg, need_kind, given_msg, given_kind, ptr->op_array->filename, ptr->opline->lineno);
1.1 misho 593: } else {
1.1.1.2 misho 594: zend_error(error_type, "Argument %d passed to %s%s%s() must %s%s, %s%s given", arg_num, fclass, fsep, fname, need_msg, need_kind, given_msg, given_kind);
1.1 misho 595: }
596: return 0;
597: }
598:
599: static inline int zend_verify_arg_type(zend_function *zf, zend_uint arg_num, zval *arg, ulong fetch_type TSRMLS_DC)
600: {
601: zend_arg_info *cur_arg_info;
602: char *need_msg;
603: zend_class_entry *ce;
604:
605: if (!zf->common.arg_info
606: || arg_num>zf->common.num_args) {
607: return 1;
608: }
609:
610: cur_arg_info = &zf->common.arg_info[arg_num-1];
611:
612: if (cur_arg_info->class_name) {
613: const char *class_name;
614:
615: if (!arg) {
616: need_msg = zend_verify_arg_class_kind(cur_arg_info, fetch_type, &class_name, &ce TSRMLS_CC);
1.1.1.2 misho 617: return zend_verify_arg_error(E_RECOVERABLE_ERROR, zf, arg_num, need_msg, class_name, "none", "" TSRMLS_CC);
1.1 misho 618: }
619: if (Z_TYPE_P(arg) == IS_OBJECT) {
620: need_msg = zend_verify_arg_class_kind(cur_arg_info, fetch_type, &class_name, &ce TSRMLS_CC);
621: if (!ce || !instanceof_function(Z_OBJCE_P(arg), ce TSRMLS_CC)) {
1.1.1.2 misho 622: return zend_verify_arg_error(E_RECOVERABLE_ERROR, zf, arg_num, need_msg, class_name, "instance of ", Z_OBJCE_P(arg)->name TSRMLS_CC);
1.1 misho 623: }
624: } else if (Z_TYPE_P(arg) != IS_NULL || !cur_arg_info->allow_null) {
625: need_msg = zend_verify_arg_class_kind(cur_arg_info, fetch_type, &class_name, &ce TSRMLS_CC);
1.1.1.2 misho 626: return zend_verify_arg_error(E_RECOVERABLE_ERROR, zf, arg_num, need_msg, class_name, zend_zval_type_name(arg), "" TSRMLS_CC);
1.1 misho 627: }
1.1.1.2 misho 628: } else if (cur_arg_info->type_hint) {
629: switch(cur_arg_info->type_hint) {
630: case IS_ARRAY:
631: if (!arg) {
632: return zend_verify_arg_error(E_RECOVERABLE_ERROR, zf, arg_num, "be of the type array", "", "none", "" TSRMLS_CC);
633: }
634:
635: if (Z_TYPE_P(arg) != IS_ARRAY && (Z_TYPE_P(arg) != IS_NULL || !cur_arg_info->allow_null)) {
636: return zend_verify_arg_error(E_RECOVERABLE_ERROR, zf, arg_num, "be of the type array", "", zend_zval_type_name(arg), "" TSRMLS_CC);
637: }
638: break;
639:
640: case IS_CALLABLE:
641: if (!arg) {
642: return zend_verify_arg_error(E_RECOVERABLE_ERROR, zf, arg_num, "be callable", "", "none", "" TSRMLS_CC);
643: }
644: if (!zend_is_callable(arg, IS_CALLABLE_CHECK_SILENT, NULL TSRMLS_CC) && (Z_TYPE_P(arg) != IS_NULL || !cur_arg_info->allow_null)) {
645: return zend_verify_arg_error(E_RECOVERABLE_ERROR, zf, arg_num, "be callable", "", zend_zval_type_name(arg), "" TSRMLS_CC);
646: }
647: break;
648:
649: default:
650: zend_error(E_ERROR, "Unknown typehint");
1.1 misho 651: }
652: }
653: return 1;
654: }
655:
1.1.1.2 misho 656: static inline void zend_assign_to_object(zval **retval, zval **object_ptr, zval *property_name, int value_type, znode_op *value_op, const temp_variable *Ts, int opcode, const zend_literal *key TSRMLS_DC)
1.1 misho 657: {
658: zval *object = *object_ptr;
659: zend_free_op free_value;
1.1.1.2 misho 660: zval *value = get_zval_ptr(value_type, value_op, Ts, &free_value, BP_VAR_R);
1.1 misho 661:
662: if (Z_TYPE_P(object) != IS_OBJECT) {
1.1.1.2 misho 663: if (object == &EG(error_zval)) {
664: if (retval) {
665: *retval = &EG(uninitialized_zval);
1.1 misho 666: PZVAL_LOCK(*retval);
667: }
668: FREE_OP(free_value);
669: return;
670: }
671: if (Z_TYPE_P(object) == IS_NULL ||
672: (Z_TYPE_P(object) == IS_BOOL && Z_LVAL_P(object) == 0) ||
673: (Z_TYPE_P(object) == IS_STRING && Z_STRLEN_P(object) == 0)) {
674: SEPARATE_ZVAL_IF_NOT_REF(object_ptr);
675: object = *object_ptr;
676: Z_ADDREF_P(object);
1.1.1.2 misho 677: zend_error(E_WARNING, "Creating default object from empty value");
1.1 misho 678: if (Z_REFCOUNT_P(object) == 1) {
679: /* object was removed by error handler, nothing to assign to */
680: zval_ptr_dtor(&object);
681: if (retval) {
682: *retval = &EG(uninitialized_zval);
683: PZVAL_LOCK(*retval);
684: }
685: FREE_OP(free_value);
686: return;
687: }
688: Z_DELREF_P(object);
689: zval_dtor(object);
690: object_init(object);
691: } else {
692: zend_error(E_WARNING, "Attempt to assign property of non-object");
1.1.1.2 misho 693: if (retval) {
694: *retval = &EG(uninitialized_zval);
1.1 misho 695: PZVAL_LOCK(*retval);
696: }
697: FREE_OP(free_value);
698: return;
699: }
700: }
1.1.1.2 misho 701:
1.1 misho 702: /* separate our value if necessary */
1.1.1.2 misho 703: if (value_type == IS_TMP_VAR) {
1.1 misho 704: zval *orig_value = value;
705:
706: ALLOC_ZVAL(value);
1.1.1.2 misho 707: ZVAL_COPY_VALUE(value, orig_value);
1.1 misho 708: Z_UNSET_ISREF_P(value);
709: Z_SET_REFCOUNT_P(value, 0);
1.1.1.2 misho 710: } else if (value_type == IS_CONST) {
1.1 misho 711: zval *orig_value = value;
712:
713: ALLOC_ZVAL(value);
1.1.1.2 misho 714: ZVAL_COPY_VALUE(value, orig_value);
1.1 misho 715: Z_UNSET_ISREF_P(value);
716: Z_SET_REFCOUNT_P(value, 0);
717: zval_copy_ctor(value);
718: }
719:
720:
721: Z_ADDREF_P(value);
722: if (opcode == ZEND_ASSIGN_OBJ) {
723: if (!Z_OBJ_HT_P(object)->write_property) {
724: zend_error(E_WARNING, "Attempt to assign property of non-object");
1.1.1.2 misho 725: if (retval) {
726: *retval = &EG(uninitialized_zval);
727: PZVAL_LOCK(&EG(uninitialized_zval));
1.1 misho 728: }
1.1.1.2 misho 729: if (value_type == IS_TMP_VAR) {
1.1 misho 730: FREE_ZVAL(value);
1.1.1.2 misho 731: } else if (value_type == IS_CONST) {
1.1 misho 732: zval_ptr_dtor(&value);
733: }
734: FREE_OP(free_value);
735: return;
736: }
1.1.1.2 misho 737: Z_OBJ_HT_P(object)->write_property(object, property_name, value, key TSRMLS_CC);
1.1 misho 738: } else {
739: /* Note: property_name in this case is really the array index! */
740: if (!Z_OBJ_HT_P(object)->write_dimension) {
741: zend_error_noreturn(E_ERROR, "Cannot use object as array");
742: }
743: Z_OBJ_HT_P(object)->write_dimension(object, property_name, value TSRMLS_CC);
744: }
745:
1.1.1.2 misho 746: if (retval && !EG(exception)) {
747: *retval = value;
1.1 misho 748: PZVAL_LOCK(value);
749: }
750: zval_ptr_dtor(&value);
751: FREE_OP_IF_VAR(free_value);
752: }
753:
754: static inline int zend_assign_to_string_offset(const temp_variable *T, const zval *value, int value_type TSRMLS_DC)
755: {
756: if (Z_TYPE_P(T->str_offset.str) == IS_STRING) {
757:
758: if (((int)T->str_offset.offset < 0)) {
759: zend_error(E_WARNING, "Illegal string offset: %d", T->str_offset.offset);
760: return 0;
761: }
762:
763: if (T->str_offset.offset >= Z_STRLEN_P(T->str_offset.str)) {
1.1.1.2 misho 764: if (IS_INTERNED(Z_STRVAL_P(T->str_offset.str))) {
765: char *tmp = (char *) emalloc(T->str_offset.offset+1+1);
766:
767: memcpy(tmp, Z_STRVAL_P(T->str_offset.str), Z_STRLEN_P(T->str_offset.str)+1);
768: Z_STRVAL_P(T->str_offset.str) = tmp;
769: } else {
770: Z_STRVAL_P(T->str_offset.str) = (char *) erealloc(Z_STRVAL_P(T->str_offset.str), T->str_offset.offset+1+1);
771: }
1.1 misho 772: memset(Z_STRVAL_P(T->str_offset.str) + Z_STRLEN_P(T->str_offset.str),
773: ' ',
774: T->str_offset.offset - Z_STRLEN_P(T->str_offset.str));
775: Z_STRVAL_P(T->str_offset.str)[T->str_offset.offset+1] = 0;
776: Z_STRLEN_P(T->str_offset.str) = T->str_offset.offset+1;
1.1.1.2 misho 777: } else if (IS_INTERNED(Z_STRVAL_P(T->str_offset.str))) {
778: char *tmp = (char *) emalloc(Z_STRLEN_P(T->str_offset.str) + 1);
779:
780: memcpy(tmp, Z_STRVAL_P(T->str_offset.str), Z_STRLEN_P(T->str_offset.str) + 1);
781: Z_STRVAL_P(T->str_offset.str) = tmp;
1.1 misho 782: }
783:
784: if (Z_TYPE_P(value) != IS_STRING) {
1.1.1.2 misho 785: zval tmp;
1.1 misho 786:
1.1.1.2 misho 787: ZVAL_COPY_VALUE(&tmp, value);
1.1 misho 788: if (value_type != IS_TMP_VAR) {
789: zval_copy_ctor(&tmp);
790: }
791: convert_to_string(&tmp);
792: Z_STRVAL_P(T->str_offset.str)[T->str_offset.offset] = Z_STRVAL(tmp)[0];
793: STR_FREE(Z_STRVAL(tmp));
794: } else {
795: Z_STRVAL_P(T->str_offset.str)[T->str_offset.offset] = Z_STRVAL_P(value)[0];
796: if (value_type == IS_TMP_VAR) {
797: /* we can safely free final_value here
798: * because separation is done only
799: * in case value_type == IS_VAR */
800: STR_FREE(Z_STRVAL_P(value));
801: }
802: }
803: /*
804: * the value of an assignment to a string offset is undefined
805: T(result->u.var).var = &T->str_offset.str;
806: */
807: }
808: return 1;
809: }
810:
1.1.1.2 misho 811:
812: static inline zval* zend_assign_tmp_to_variable(zval **variable_ptr_ptr, zval *value TSRMLS_DC)
1.1 misho 813: {
814: zval *variable_ptr = *variable_ptr_ptr;
815: zval garbage;
816:
1.1.1.2 misho 817: if (Z_TYPE_P(variable_ptr) == IS_OBJECT &&
818: UNEXPECTED(Z_OBJ_HANDLER_P(variable_ptr, set) != NULL)) {
819: Z_OBJ_HANDLER_P(variable_ptr, set)(variable_ptr_ptr, value TSRMLS_CC);
820: return variable_ptr;
821: }
822:
823: if (UNEXPECTED(Z_REFCOUNT_P(variable_ptr) > 1) &&
824: EXPECTED(!PZVAL_IS_REF(variable_ptr))) {
825: /* we need to split */
826: Z_DELREF_P(variable_ptr);
827: GC_ZVAL_CHECK_POSSIBLE_ROOT(variable_ptr);
828: ALLOC_ZVAL(variable_ptr);
829: INIT_PZVAL_COPY(variable_ptr, value);
830: *variable_ptr_ptr = variable_ptr;
831: return variable_ptr;
832: } else {
833: if (EXPECTED(Z_TYPE_P(variable_ptr) <= IS_BOOL)) {
834: /* nothing to destroy */
835: ZVAL_COPY_VALUE(variable_ptr, value);
836: } else {
837: ZVAL_COPY_VALUE(&garbage, variable_ptr);
838: ZVAL_COPY_VALUE(variable_ptr, value);
839: _zval_dtor_func(&garbage ZEND_FILE_LINE_CC);
1.1 misho 840: }
1.1.1.2 misho 841: return variable_ptr;
1.1 misho 842: }
1.1.1.2 misho 843: }
1.1 misho 844:
1.1.1.2 misho 845: static inline zval* zend_assign_const_to_variable(zval **variable_ptr_ptr, zval *value TSRMLS_DC)
846: {
847: zval *variable_ptr = *variable_ptr_ptr;
848: zval garbage;
849:
850: if (Z_TYPE_P(variable_ptr) == IS_OBJECT &&
851: UNEXPECTED(Z_OBJ_HANDLER_P(variable_ptr, set) != NULL)) {
1.1 misho 852: Z_OBJ_HANDLER_P(variable_ptr, set)(variable_ptr_ptr, value TSRMLS_CC);
853: return variable_ptr;
854: }
855:
1.1.1.2 misho 856: if (UNEXPECTED(Z_REFCOUNT_P(variable_ptr) > 1) &&
857: EXPECTED(!PZVAL_IS_REF(variable_ptr))) {
858: /* we need to split */
859: Z_DELREF_P(variable_ptr);
860: GC_ZVAL_CHECK_POSSIBLE_ROOT(variable_ptr);
861: ALLOC_ZVAL(variable_ptr);
862: INIT_PZVAL_COPY(variable_ptr, value);
863: zval_copy_ctor(variable_ptr);
864: *variable_ptr_ptr = variable_ptr;
865: return variable_ptr;
866: } else {
867: if (EXPECTED(Z_TYPE_P(variable_ptr) <= IS_BOOL)) {
868: /* nothing to destroy */
869: ZVAL_COPY_VALUE(variable_ptr, value);
870: zendi_zval_copy_ctor(*variable_ptr);
871: } else {
872: ZVAL_COPY_VALUE(&garbage, variable_ptr);
873: ZVAL_COPY_VALUE(variable_ptr, value);
874: zendi_zval_copy_ctor(*variable_ptr);
875: _zval_dtor_func(&garbage ZEND_FILE_LINE_CC);
1.1 misho 876: }
1.1.1.2 misho 877: return variable_ptr;
878: }
879: }
880:
881: static inline zval* zend_assign_to_variable(zval **variable_ptr_ptr, zval *value TSRMLS_DC)
882: {
883: zval *variable_ptr = *variable_ptr_ptr;
884: zval garbage;
885:
886: if (Z_TYPE_P(variable_ptr) == IS_OBJECT &&
887: UNEXPECTED(Z_OBJ_HANDLER_P(variable_ptr, set) != NULL)) {
888: Z_OBJ_HANDLER_P(variable_ptr, set)(variable_ptr_ptr, value TSRMLS_CC);
889: return variable_ptr;
890: }
891:
892: if (EXPECTED(!PZVAL_IS_REF(variable_ptr))) {
893: if (Z_REFCOUNT_P(variable_ptr)==1) {
894: if (UNEXPECTED(variable_ptr == value)) {
895: return variable_ptr;
896: } else if (EXPECTED(!PZVAL_IS_REF(value))) {
897: Z_ADDREF_P(value);
898: *variable_ptr_ptr = value;
899: if (EXPECTED(variable_ptr != &EG(uninitialized_zval))) {
900: GC_REMOVE_ZVAL_FROM_BUFFER(variable_ptr);
901: zval_dtor(variable_ptr);
902: efree(variable_ptr);
1.1 misho 903: } else {
1.1.1.2 misho 904: Z_DELREF_P(variable_ptr);
1.1 misho 905: }
1.1.1.2 misho 906: return value;
1.1 misho 907: } else {
1.1.1.2 misho 908: goto copy_value;
1.1 misho 909: }
910: } else { /* we need to split */
1.1.1.2 misho 911: Z_DELREF_P(variable_ptr);
912: GC_ZVAL_CHECK_POSSIBLE_ROOT(variable_ptr);
913: if (PZVAL_IS_REF(value) && Z_REFCOUNT_P(value) > 0) {
914: ALLOC_ZVAL(variable_ptr);
915: *variable_ptr_ptr = variable_ptr;
916: INIT_PZVAL_COPY(variable_ptr, value);
917: zval_copy_ctor(variable_ptr);
918: return variable_ptr;
1.1 misho 919: } else {
1.1.1.2 misho 920: *variable_ptr_ptr = value;
921: Z_ADDREF_P(value);
922: Z_UNSET_ISREF_P(value);
923: return value;
1.1 misho 924: }
925: }
1.1.1.2 misho 926: } else {
927: if (EXPECTED(variable_ptr != value)) {
928: copy_value:
929: if (EXPECTED(Z_TYPE_P(variable_ptr) <= IS_BOOL)) {
930: /* nothing to destroy */
931: ZVAL_COPY_VALUE(variable_ptr, value);
932: zendi_zval_copy_ctor(*variable_ptr);
933: } else {
934: ZVAL_COPY_VALUE(&garbage, variable_ptr);
935: ZVAL_COPY_VALUE(variable_ptr, value);
936: zendi_zval_copy_ctor(*variable_ptr);
937: _zval_dtor_func(&garbage ZEND_FILE_LINE_CC);
938: }
939: }
940: return variable_ptr;
1.1 misho 941: }
942: }
943:
944: /* Utility Functions for Extensions */
945: static void zend_extension_statement_handler(const zend_extension *extension, zend_op_array *op_array TSRMLS_DC)
946: {
947: if (extension->statement_handler) {
948: extension->statement_handler(op_array);
949: }
950: }
951:
952:
953: static void zend_extension_fcall_begin_handler(const zend_extension *extension, zend_op_array *op_array TSRMLS_DC)
954: {
955: if (extension->fcall_begin_handler) {
956: extension->fcall_begin_handler(op_array);
957: }
958: }
959:
960:
961: static void zend_extension_fcall_end_handler(const zend_extension *extension, zend_op_array *op_array TSRMLS_DC)
962: {
963: if (extension->fcall_end_handler) {
964: extension->fcall_end_handler(op_array);
965: }
966: }
967:
968:
1.1.1.2 misho 969: static inline HashTable *zend_get_target_symbol_table(int fetch_type TSRMLS_DC)
1.1 misho 970: {
1.1.1.2 misho 971: switch (fetch_type) {
1.1 misho 972: case ZEND_FETCH_LOCAL:
973: if (!EG(active_symbol_table)) {
974: zend_rebuild_symbol_table(TSRMLS_C);
975: }
976: return EG(active_symbol_table);
977: break;
978: case ZEND_FETCH_GLOBAL:
979: case ZEND_FETCH_GLOBAL_LOCK:
980: return &EG(symbol_table);
981: break;
982: case ZEND_FETCH_STATIC:
983: if (!EG(active_op_array)->static_variables) {
984: ALLOC_HASHTABLE(EG(active_op_array)->static_variables);
985: zend_hash_init(EG(active_op_array)->static_variables, 2, NULL, ZVAL_PTR_DTOR, 0);
986: }
987: return EG(active_op_array)->static_variables;
988: break;
989: EMPTY_SWITCH_DEFAULT_CASE()
990: }
991: return NULL;
992: }
993:
1.1.1.2 misho 994: static inline zval **zend_fetch_dimension_address_inner(HashTable *ht, const zval *dim, int dim_type, int type TSRMLS_DC)
1.1 misho 995: {
996: zval **retval;
997: char *offset_key;
998: int offset_key_length;
1.1.1.2 misho 999: ulong hval;
1.1 misho 1000:
1001: switch (dim->type) {
1002: case IS_NULL:
1003: offset_key = "";
1004: offset_key_length = 0;
1.1.1.2 misho 1005: hval = zend_inline_hash_func("", 1);
1.1 misho 1006: goto fetch_string_dim;
1007:
1008: case IS_STRING:
1.1.1.2 misho 1009:
1.1 misho 1010: offset_key = dim->value.str.val;
1011: offset_key_length = dim->value.str.len;
1.1.1.2 misho 1012:
1013: if (dim_type == IS_CONST) {
1014: hval = Z_HASH_P(dim);
1015: } else {
1016: ZEND_HANDLE_NUMERIC_EX(offset_key, offset_key_length+1, hval, goto num_index);
1017: if (IS_INTERNED(offset_key)) {
1018: hval = INTERNED_HASH(offset_key);
1019: } else {
1020: hval = zend_hash_func(offset_key, offset_key_length+1);
1021: }
1022: }
1.1 misho 1023: fetch_string_dim:
1.1.1.2 misho 1024: if (zend_hash_quick_find(ht, offset_key, offset_key_length+1, hval, (void **) &retval) == FAILURE) {
1.1 misho 1025: switch (type) {
1026: case BP_VAR_R:
1027: zend_error(E_NOTICE, "Undefined index: %s", offset_key);
1028: /* break missing intentionally */
1029: case BP_VAR_UNSET:
1030: case BP_VAR_IS:
1031: retval = &EG(uninitialized_zval_ptr);
1032: break;
1033: case BP_VAR_RW:
1034: zend_error(E_NOTICE,"Undefined index: %s", offset_key);
1035: /* break missing intentionally */
1036: case BP_VAR_W: {
1037: zval *new_zval = &EG(uninitialized_zval);
1038:
1039: Z_ADDREF_P(new_zval);
1.1.1.2 misho 1040: zend_hash_quick_update(ht, offset_key, offset_key_length+1, hval, &new_zval, sizeof(zval *), (void **) &retval);
1.1 misho 1041: }
1042: break;
1043: }
1044: }
1045: break;
1046: case IS_DOUBLE:
1.1.1.2 misho 1047: hval = zend_dval_to_lval(Z_DVAL_P(dim));
1.1 misho 1048: goto num_index;
1049: case IS_RESOURCE:
1050: zend_error(E_STRICT, "Resource ID#%ld used as offset, casting to integer (%ld)", Z_LVAL_P(dim), Z_LVAL_P(dim));
1051: /* Fall Through */
1052: case IS_BOOL:
1053: case IS_LONG:
1.1.1.2 misho 1054: hval = Z_LVAL_P(dim);
1.1 misho 1055: num_index:
1.1.1.2 misho 1056: if (zend_hash_index_find(ht, hval, (void **) &retval) == FAILURE) {
1.1 misho 1057: switch (type) {
1058: case BP_VAR_R:
1.1.1.2 misho 1059: zend_error(E_NOTICE,"Undefined offset: %ld", hval);
1.1 misho 1060: /* break missing intentionally */
1061: case BP_VAR_UNSET:
1062: case BP_VAR_IS:
1063: retval = &EG(uninitialized_zval_ptr);
1064: break;
1065: case BP_VAR_RW:
1.1.1.2 misho 1066: zend_error(E_NOTICE,"Undefined offset: %ld", hval);
1.1 misho 1067: /* break missing intentionally */
1068: case BP_VAR_W: {
1069: zval *new_zval = &EG(uninitialized_zval);
1070:
1071: Z_ADDREF_P(new_zval);
1.1.1.2 misho 1072: zend_hash_index_update(ht, hval, &new_zval, sizeof(zval *), (void **) &retval);
1.1 misho 1073: }
1074: break;
1075: }
1076: }
1077: break;
1078:
1079: default:
1080: zend_error(E_WARNING, "Illegal offset type");
1081: return (type == BP_VAR_W || type == BP_VAR_RW) ?
1082: &EG(error_zval_ptr) : &EG(uninitialized_zval_ptr);
1083: }
1084: return retval;
1085: }
1086:
1.1.1.2 misho 1087: static void zend_fetch_dimension_address(temp_variable *result, zval **container_ptr, zval *dim, int dim_type, int type TSRMLS_DC)
1.1 misho 1088: {
1089: zval *container = *container_ptr;
1090: zval **retval;
1091:
1092: switch (Z_TYPE_P(container)) {
1093:
1094: case IS_ARRAY:
1095: if (type != BP_VAR_UNSET && Z_REFCOUNT_P(container)>1 && !PZVAL_IS_REF(container)) {
1096: SEPARATE_ZVAL(container_ptr);
1097: container = *container_ptr;
1098: }
1099: fetch_from_array:
1100: if (dim == NULL) {
1101: zval *new_zval = &EG(uninitialized_zval);
1102:
1103: Z_ADDREF_P(new_zval);
1104: if (zend_hash_next_index_insert(Z_ARRVAL_P(container), &new_zval, sizeof(zval *), (void **) &retval) == FAILURE) {
1105: zend_error(E_WARNING, "Cannot add element to the array as the next element is already occupied");
1106: retval = &EG(error_zval_ptr);
1107: Z_DELREF_P(new_zval);
1108: }
1109: } else {
1.1.1.2 misho 1110: retval = zend_fetch_dimension_address_inner(Z_ARRVAL_P(container), dim, dim_type, type TSRMLS_CC);
1.1 misho 1111: }
1112: result->var.ptr_ptr = retval;
1113: PZVAL_LOCK(*retval);
1114: return;
1115: break;
1116:
1117: case IS_NULL:
1.1.1.2 misho 1118: if (container == &EG(error_zval)) {
1.1 misho 1119: result->var.ptr_ptr = &EG(error_zval_ptr);
1120: PZVAL_LOCK(EG(error_zval_ptr));
1121: } else if (type != BP_VAR_UNSET) {
1122: convert_to_array:
1123: if (!PZVAL_IS_REF(container)) {
1124: SEPARATE_ZVAL(container_ptr);
1125: container = *container_ptr;
1126: }
1127: zval_dtor(container);
1128: array_init(container);
1129: goto fetch_from_array;
1130: } else {
1131: /* for read-mode only */
1132: result->var.ptr_ptr = &EG(uninitialized_zval_ptr);
1133: PZVAL_LOCK(EG(uninitialized_zval_ptr));
1134: }
1135: return;
1136: break;
1137:
1138: case IS_STRING: {
1139: zval tmp;
1140:
1141: if (type != BP_VAR_UNSET && Z_STRLEN_P(container)==0) {
1142: goto convert_to_array;
1143: }
1144: if (dim == NULL) {
1145: zend_error_noreturn(E_ERROR, "[] operator not supported for strings");
1146: }
1147:
1.1.1.3 misho 1148: if (type != BP_VAR_UNSET) {
1149: SEPARATE_ZVAL_IF_NOT_REF(container_ptr);
1150: }
1151:
1.1 misho 1152: if (Z_TYPE_P(dim) != IS_LONG) {
1.1.1.2 misho 1153:
1.1 misho 1154: switch(Z_TYPE_P(dim)) {
1155: /* case IS_LONG: */
1156: case IS_STRING:
1.1.1.2 misho 1157: if (IS_LONG == is_numeric_string(Z_STRVAL_P(dim), Z_STRLEN_P(dim), NULL, NULL, -1)) {
1158: break;
1159: }
1160: if (type != BP_VAR_UNSET) {
1161: zend_error(E_WARNING, "Illegal string offset '%s'", dim->value.str.val);
1162: }
1163:
1164: break;
1.1 misho 1165: case IS_DOUBLE:
1166: case IS_NULL:
1167: case IS_BOOL:
1.1.1.3 misho 1168: zend_error(E_NOTICE, "String offset cast occurred");
1.1 misho 1169: break;
1170: default:
1171: zend_error(E_WARNING, "Illegal offset type");
1172: break;
1173: }
1174:
1175: tmp = *dim;
1176: zval_copy_ctor(&tmp);
1177: convert_to_long(&tmp);
1178: dim = &tmp;
1179: }
1180: container = *container_ptr;
1181: result->str_offset.str = container;
1182: PZVAL_LOCK(container);
1183: result->str_offset.offset = Z_LVAL_P(dim);
1.1.1.2 misho 1184: result->str_offset.ptr_ptr = NULL;
1.1 misho 1185: return;
1186: }
1187: break;
1188:
1189: case IS_OBJECT:
1190: if (!Z_OBJ_HT_P(container)->read_dimension) {
1191: zend_error_noreturn(E_ERROR, "Cannot use object as array");
1192: } else {
1193: zval *overloaded_result;
1194:
1.1.1.2 misho 1195: if (dim_type == IS_TMP_VAR) {
1.1 misho 1196: zval *orig = dim;
1197: MAKE_REAL_ZVAL_PTR(dim);
1198: ZVAL_NULL(orig);
1199: }
1200: overloaded_result = Z_OBJ_HT_P(container)->read_dimension(container, dim, type TSRMLS_CC);
1201:
1202: if (overloaded_result) {
1203: if (!Z_ISREF_P(overloaded_result)) {
1204: if (Z_REFCOUNT_P(overloaded_result) > 0) {
1205: zval *tmp = overloaded_result;
1206:
1207: ALLOC_ZVAL(overloaded_result);
1.1.1.2 misho 1208: ZVAL_COPY_VALUE(overloaded_result, tmp);
1.1 misho 1209: zval_copy_ctor(overloaded_result);
1210: Z_UNSET_ISREF_P(overloaded_result);
1211: Z_SET_REFCOUNT_P(overloaded_result, 0);
1212: }
1213: if (Z_TYPE_P(overloaded_result) != IS_OBJECT) {
1214: zend_class_entry *ce = Z_OBJCE_P(container);
1215: zend_error(E_NOTICE, "Indirect modification of overloaded element of %s has no effect", ce->name);
1216: }
1217: }
1218: retval = &overloaded_result;
1219: } else {
1220: retval = &EG(error_zval_ptr);
1221: }
1.1.1.2 misho 1222: AI_SET_PTR(result, *retval);
1.1 misho 1223: PZVAL_LOCK(*retval);
1.1.1.2 misho 1224: if (dim_type == IS_TMP_VAR) {
1.1 misho 1225: zval_ptr_dtor(&dim);
1226: }
1227: }
1228: return;
1229: break;
1230:
1231: case IS_BOOL:
1232: if (type != BP_VAR_UNSET && Z_LVAL_P(container)==0) {
1233: goto convert_to_array;
1234: }
1235: /* break missing intentionally */
1236:
1237: default:
1238: if (type == BP_VAR_UNSET) {
1239: zend_error(E_WARNING, "Cannot unset offset in a non-array variable");
1.1.1.2 misho 1240: AI_SET_PTR(result, &EG(uninitialized_zval));
1241: PZVAL_LOCK(&EG(uninitialized_zval));
1.1 misho 1242: } else {
1243: zend_error(E_WARNING, "Cannot use a scalar value as an array");
1244: result->var.ptr_ptr = &EG(error_zval_ptr);
1245: PZVAL_LOCK(EG(error_zval_ptr));
1246: }
1247: break;
1248: }
1249: }
1250:
1.1.1.4 ! misho 1251: static void zend_fetch_dimension_address_read(temp_variable *result, zval *container, zval *dim, int dim_type, int type TSRMLS_DC)
1.1 misho 1252: {
1253: zval **retval;
1254:
1255: switch (Z_TYPE_P(container)) {
1256:
1257: case IS_ARRAY:
1.1.1.2 misho 1258: retval = zend_fetch_dimension_address_inner(Z_ARRVAL_P(container), dim, dim_type, type TSRMLS_CC);
1259: AI_SET_PTR(result, *retval);
1260: PZVAL_LOCK(*retval);
1.1 misho 1261: return;
1262:
1263: case IS_NULL:
1.1.1.2 misho 1264: AI_SET_PTR(result, &EG(uninitialized_zval));
1265: PZVAL_LOCK(&EG(uninitialized_zval));
1.1 misho 1266: return;
1267:
1268: case IS_STRING: {
1269: zval tmp;
1.1.1.2 misho 1270: zval *ptr;
1.1 misho 1271:
1272: if (Z_TYPE_P(dim) != IS_LONG) {
1273: switch(Z_TYPE_P(dim)) {
1274: /* case IS_LONG: */
1275: case IS_STRING:
1.1.1.2 misho 1276: if (IS_LONG == is_numeric_string(Z_STRVAL_P(dim), Z_STRLEN_P(dim), NULL, NULL, -1)) {
1277: break;
1278: }
1279: if (type != BP_VAR_IS) {
1280: zend_error(E_WARNING, "Illegal string offset '%s'", dim->value.str.val);
1281: }
1282: break;
1.1 misho 1283: case IS_DOUBLE:
1284: case IS_NULL:
1285: case IS_BOOL:
1.1.1.2 misho 1286: if (type != BP_VAR_IS) {
1.1.1.3 misho 1287: zend_error(E_NOTICE, "String offset cast occurred");
1.1.1.2 misho 1288: }
1.1 misho 1289: break;
1290: default:
1291: zend_error(E_WARNING, "Illegal offset type");
1292: break;
1293: }
1294:
1.1.1.2 misho 1295: ZVAL_COPY_VALUE(&tmp, dim);
1.1 misho 1296: zval_copy_ctor(&tmp);
1297: convert_to_long(&tmp);
1298: dim = &tmp;
1299: }
1.1.1.2 misho 1300:
1301: ALLOC_ZVAL(ptr);
1302: INIT_PZVAL(ptr);
1303: Z_TYPE_P(ptr) = IS_STRING;
1304:
1305: if (Z_LVAL_P(dim) < 0 || Z_STRLEN_P(container) <= Z_LVAL_P(dim)) {
1306: if (type != BP_VAR_IS) {
1.1 misho 1307: zend_error(E_NOTICE, "Uninitialized string offset: %ld", Z_LVAL_P(dim));
1308: }
1.1.1.2 misho 1309: Z_STRVAL_P(ptr) = STR_EMPTY_ALLOC();
1310: Z_STRLEN_P(ptr) = 0;
1311: } else {
1312: Z_STRVAL_P(ptr) = (char*)emalloc(2);
1313: Z_STRVAL_P(ptr)[0] = Z_STRVAL_P(container)[Z_LVAL_P(dim)];
1314: Z_STRVAL_P(ptr)[1] = 0;
1315: Z_STRLEN_P(ptr) = 1;
1.1 misho 1316: }
1.1.1.2 misho 1317: AI_SET_PTR(result, ptr);
1.1 misho 1318: return;
1319: }
1320: break;
1321:
1322: case IS_OBJECT:
1323: if (!Z_OBJ_HT_P(container)->read_dimension) {
1324: zend_error_noreturn(E_ERROR, "Cannot use object as array");
1325: } else {
1326: zval *overloaded_result;
1327:
1.1.1.2 misho 1328: if (dim_type == IS_TMP_VAR) {
1.1 misho 1329: zval *orig = dim;
1330: MAKE_REAL_ZVAL_PTR(dim);
1331: ZVAL_NULL(orig);
1332: }
1333: overloaded_result = Z_OBJ_HT_P(container)->read_dimension(container, dim, type TSRMLS_CC);
1334:
1335: if (overloaded_result) {
1.1.1.2 misho 1336: AI_SET_PTR(result, overloaded_result);
1337: PZVAL_LOCK(overloaded_result);
1.1 misho 1338: } else if (result) {
1.1.1.2 misho 1339: AI_SET_PTR(result, &EG(uninitialized_zval));
1340: PZVAL_LOCK(&EG(uninitialized_zval));
1.1 misho 1341: }
1.1.1.2 misho 1342: if (dim_type == IS_TMP_VAR) {
1.1 misho 1343: zval_ptr_dtor(&dim);
1344: }
1345: }
1346: return;
1347:
1348: default:
1.1.1.2 misho 1349: AI_SET_PTR(result, &EG(uninitialized_zval));
1350: PZVAL_LOCK(&EG(uninitialized_zval));
1.1 misho 1351: return;
1352: }
1353: }
1354:
1.1.1.2 misho 1355: static void zend_fetch_property_address(temp_variable *result, zval **container_ptr, zval *prop_ptr, const zend_literal *key, int type TSRMLS_DC)
1.1 misho 1356: {
1357: zval *container = *container_ptr;;
1358:
1359: if (Z_TYPE_P(container) != IS_OBJECT) {
1.1.1.2 misho 1360: if (container == &EG(error_zval)) {
1.1 misho 1361: result->var.ptr_ptr = &EG(error_zval_ptr);
1.1.1.2 misho 1362: PZVAL_LOCK(EG(error_zval_ptr));
1.1 misho 1363: return;
1364: }
1365:
1366: /* this should modify object only if it's empty */
1367: if (type != BP_VAR_UNSET &&
1368: ((Z_TYPE_P(container) == IS_NULL ||
1369: (Z_TYPE_P(container) == IS_BOOL && Z_LVAL_P(container)==0) ||
1370: (Z_TYPE_P(container) == IS_STRING && Z_STRLEN_P(container)==0)))) {
1371: if (!PZVAL_IS_REF(container)) {
1372: SEPARATE_ZVAL(container_ptr);
1373: container = *container_ptr;
1374: }
1375: object_init(container);
1376: } else {
1377: zend_error(E_WARNING, "Attempt to modify property of non-object");
1378: result->var.ptr_ptr = &EG(error_zval_ptr);
1379: PZVAL_LOCK(EG(error_zval_ptr));
1380: return;
1381: }
1382: }
1383:
1384: if (Z_OBJ_HT_P(container)->get_property_ptr_ptr) {
1.1.1.2 misho 1385: zval **ptr_ptr = Z_OBJ_HT_P(container)->get_property_ptr_ptr(container, prop_ptr, key TSRMLS_CC);
1.1 misho 1386: if (NULL == ptr_ptr) {
1387: zval *ptr;
1388:
1389: if (Z_OBJ_HT_P(container)->read_property &&
1.1.1.2 misho 1390: (ptr = Z_OBJ_HT_P(container)->read_property(container, prop_ptr, type, key TSRMLS_CC)) != NULL) {
1391: AI_SET_PTR(result, ptr);
1.1 misho 1392: PZVAL_LOCK(ptr);
1393: } else {
1394: zend_error_noreturn(E_ERROR, "Cannot access undefined property for object with overloaded property access");
1395: }
1396: } else {
1397: result->var.ptr_ptr = ptr_ptr;
1398: PZVAL_LOCK(*ptr_ptr);
1399: }
1400: } else if (Z_OBJ_HT_P(container)->read_property) {
1.1.1.2 misho 1401: zval *ptr = Z_OBJ_HT_P(container)->read_property(container, prop_ptr, type, key TSRMLS_CC);
1.1 misho 1402:
1.1.1.2 misho 1403: AI_SET_PTR(result, ptr);
1.1 misho 1404: PZVAL_LOCK(ptr);
1405: } else {
1406: zend_error(E_WARNING, "This object doesn't support property references");
1407: result->var.ptr_ptr = &EG(error_zval_ptr);
1408: PZVAL_LOCK(EG(error_zval_ptr));
1409: }
1410: }
1411:
1.1.1.2 misho 1412: static inline zend_brk_cont_element* zend_brk_cont(int nest_levels, int array_offset, const zend_op_array *op_array, const temp_variable *Ts TSRMLS_DC)
1.1 misho 1413: {
1.1.1.2 misho 1414: int original_nest_levels = nest_levels;
1.1 misho 1415: zend_brk_cont_element *jmp_to;
1416:
1417: do {
1418: if (array_offset==-1) {
1419: zend_error_noreturn(E_ERROR, "Cannot break/continue %d level%s", original_nest_levels, (original_nest_levels == 1) ? "" : "s");
1420: }
1421: jmp_to = &op_array->brk_cont_array[array_offset];
1422: if (nest_levels>1) {
1423: zend_op *brk_opline = &op_array->opcodes[jmp_to->brk];
1424:
1425: switch (brk_opline->opcode) {
1426: case ZEND_SWITCH_FREE:
1.1.1.2 misho 1427: if (!(brk_opline->extended_value & EXT_TYPE_FREE_ON_RETURN)) {
1428: zval_ptr_dtor(&T(brk_opline->op1.var).var.ptr);
1.1 misho 1429: }
1430: break;
1431: case ZEND_FREE:
1.1.1.2 misho 1432: if (!(brk_opline->extended_value & EXT_TYPE_FREE_ON_RETURN)) {
1433: zendi_zval_dtor(T(brk_opline->op1.var).tmp_var);
1.1 misho 1434: }
1435: break;
1436: }
1437: }
1438: array_offset = jmp_to->parent;
1439: } while (--nest_levels > 0);
1440: return jmp_to;
1441: }
1442:
1443: #if ZEND_INTENSIVE_DEBUGGING
1444:
1445: #define CHECK_SYMBOL_TABLES() \
1446: zend_hash_apply(&EG(symbol_table), (apply_func_t) zend_check_symbol TSRMLS_CC); \
1447: if (&EG(symbol_table)!=EG(active_symbol_table)) { \
1448: zend_hash_apply(EG(active_symbol_table), (apply_func_t) zend_check_symbol TSRMLS_CC); \
1449: }
1450:
1451: static int zend_check_symbol(zval **pz TSRMLS_DC)
1452: {
1453: if (Z_TYPE_PP(pz) > 9) {
1454: fprintf(stderr, "Warning! %x has invalid type!\n", *pz);
1455: /* See http://support.microsoft.com/kb/190351 */
1456: #ifdef PHP_WIN32
1457: fflush(stderr);
1458: #endif
1459: } else if (Z_TYPE_PP(pz) == IS_ARRAY) {
1460: zend_hash_apply(Z_ARRVAL_PP(pz), (apply_func_t) zend_check_symbol TSRMLS_CC);
1461: } else if (Z_TYPE_PP(pz) == IS_OBJECT) {
1462:
1463: /* OBJ-TBI - doesn't support new object model! */
1464: zend_hash_apply(Z_OBJPROP_PP(pz), (apply_func_t) zend_check_symbol TSRMLS_CC);
1465: }
1466:
1467: return 0;
1468: }
1469:
1470:
1471: #else
1472: #define CHECK_SYMBOL_TABLES()
1473: #endif
1474:
1475: ZEND_API opcode_handler_t *zend_opcode_handlers;
1476:
1477: ZEND_API void execute_internal(zend_execute_data *execute_data_ptr, int return_value_used TSRMLS_DC)
1478: {
1.1.1.2 misho 1479: zval **return_value_ptr = &(*(temp_variable *)((char *) execute_data_ptr->Ts + execute_data_ptr->opline->result.var)).var.ptr;
1480: ((zend_internal_function *) execute_data_ptr->function_state.function)->handler(execute_data_ptr->opline->extended_value, *return_value_ptr, (execute_data_ptr->function_state.function->common.fn_flags & ZEND_ACC_RETURN_REFERENCE)?return_value_ptr:NULL, execute_data_ptr->object, return_value_used TSRMLS_CC);
1.1 misho 1481: }
1482:
1483: #define ZEND_VM_NEXT_OPCODE() \
1484: CHECK_SYMBOL_TABLES() \
1.1.1.2 misho 1485: ZEND_VM_INC_OPCODE(); \
1.1 misho 1486: ZEND_VM_CONTINUE()
1487:
1488: #define ZEND_VM_SET_OPCODE(new_op) \
1489: CHECK_SYMBOL_TABLES() \
1.1.1.2 misho 1490: OPLINE = new_op
1.1 misho 1491:
1492: #define ZEND_VM_JMP(new_op) \
1493: if (EXPECTED(!EG(exception))) { \
1.1.1.2 misho 1494: ZEND_VM_SET_OPCODE(new_op); \
1495: } else { \
1496: LOAD_OPLINE(); \
1.1 misho 1497: } \
1498: ZEND_VM_CONTINUE()
1499:
1500: #define ZEND_VM_INC_OPCODE() \
1.1.1.2 misho 1501: OPLINE++
1502:
1503: #ifdef __GNUC__
1504: # define ZEND_VM_GUARD(name) __asm__("#" #name)
1505: #else
1506: # define ZEND_VM_GUARD(name)
1507: #endif
1.1 misho 1508:
1509: #include "zend_vm_execute.h"
1510:
1511: ZEND_API int zend_set_user_opcode_handler(zend_uchar opcode, user_opcode_handler_t handler)
1512: {
1513: if (opcode != ZEND_USER_OPCODE) {
1.1.1.2 misho 1514: if (handler == NULL) {
1515: /* restore the original handler */
1516: zend_user_opcodes[opcode] = opcode;
1517: } else {
1518: zend_user_opcodes[opcode] = ZEND_USER_OPCODE;
1519: }
1.1 misho 1520: zend_user_opcode_handlers[opcode] = handler;
1521: return SUCCESS;
1522: }
1523: return FAILURE;
1524: }
1525:
1526: ZEND_API user_opcode_handler_t zend_get_user_opcode_handler(zend_uchar opcode)
1527: {
1528: return zend_user_opcode_handlers[opcode];
1529: }
1530:
1.1.1.2 misho 1531: ZEND_API zval *zend_get_zval_ptr(int op_type, const znode_op *node, const temp_variable *Ts, zend_free_op *should_free, int type TSRMLS_DC) {
1532: return get_zval_ptr(op_type, node, Ts, should_free, type);
1.1 misho 1533: }
1534:
1.1.1.2 misho 1535: ZEND_API zval **zend_get_zval_ptr_ptr(int op_type, const znode_op *node, const temp_variable *Ts, zend_free_op *should_free, int type TSRMLS_DC) {
1536: return get_zval_ptr_ptr(op_type, node, Ts, should_free, type);
1.1 misho 1537: }
1538:
1539: /*
1540: * Local variables:
1541: * tab-width: 4
1542: * c-basic-offset: 4
1543: * indent-tabs-mode: t
1544: * End:
1545: */
FreeBSD-CVSweb <freebsd-cvsweb@FreeBSD.org>
![[BACK]](/icons/cvsweb/back.gif){kind=icon}
Return to zend_execute.c CVS log ![[TXT]](/icons/cvsweb/text.gif){kind=icon}
![[DIR]](/icons/cvsweb/dir.gif){kind=icon}
Up to [ELWIX - Embedded LightWeight unIX -] / embedaddon / php / Zend