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[m6w6/ext-psi] / src / marshal.c
1 /*******************************************************************************
2 Copyright (c) 2016, Michael Wallner <mike@php.net>.
3 All rights reserved.
4
5 Redistribution and use in source and binary forms, with or without
6 modification, are permitted provided that the following conditions are met:
7
8 * Redistributions of source code must retain the above copyright notice,
9 this list of conditions and the following disclaimer.
10 * Redistributions in binary form must reproduce the above copyright
11 notice, this list of conditions and the following disclaimer in the
12 documentation and/or other materials provided with the distribution.
13
14 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
15 AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
17 DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
18 FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
20 SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
21 CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
22 OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
23 OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
24 *******************************************************************************/
25
26 #include "php_psi_stdinc.h"
27 #include "data.h"
28 #include "calc.h"
29
30 #include "php.h"
31 #include "php_psi.h"
32
33 #include "Zend/zend_interfaces.h"
34 #include "ext/spl/spl_iterators.h"
35
36 zend_long psi_zval_count(zval *zvalue)
37 {
38 /* mimic PHP count() */
39 zend_long count;
40 zval retval;
41
42 switch (Z_TYPE_P(zvalue)) {
43 default:
44 count = 1;
45 break;
46 case IS_NULL:
47 count = 0;
48 break;
49 case IS_ARRAY:
50 count = zend_array_count(Z_ARRVAL_P(zvalue));
51 break;
52 case IS_OBJECT:
53 count = 1;
54 if (Z_OBJ_HT_P(zvalue)->count_elements) {
55 if (SUCCESS == Z_OBJ_HT_P(zvalue)->count_elements(zvalue, &count)) {
56 break;
57 }
58 }
59
60 if (instanceof_function(Z_OBJCE_P(zvalue), spl_ce_Countable)) {
61 zend_call_method_with_0_params(zvalue, NULL, NULL, "count", &retval);
62 if (Z_TYPE(retval) != IS_UNDEF) {
63 count = zval_get_long(&retval);
64 zval_ptr_dtor(&retval);
65 }
66 }
67 break;
68 }
69
70 return count;
71 }
72
73 int psi_internal_type(struct psi_impl_type *type)
74 {
75 switch (type->type) {
76 case PSI_T_BOOL:
77 return _IS_BOOL;
78 case PSI_T_INT:
79 return IS_LONG;
80 case PSI_T_FLOAT:
81 case PSI_T_DOUBLE:
82 return IS_DOUBLE;
83 case PSI_T_STRING:
84 return IS_STRING;
85 case PSI_T_ARRAY:
86 return IS_ARRAY;
87 default:
88 return 0;
89 }
90 }
91
92 zend_internal_arg_info *psi_internal_arginfo(struct psi_impl *impl)
93 {
94 size_t i = 0, argc = psi_plist_count(impl->func->args);
95 zend_internal_arg_info *aip;
96 zend_internal_function_info *fi;
97 struct psi_impl_arg *iarg;
98
99 aip = calloc(argc + 1 + !!impl->func->vararg, sizeof(*aip));
100
101 fi = (zend_internal_function_info *) &aip[0];
102 #ifdef ZEND_TYPE_ENCODE
103 fi->type = ZEND_TYPE_ENCODE(psi_internal_type(impl->func->return_type), 1);
104 #else
105 fi->allow_null = 1;
106 fi->type_hint = psi_internal_type(impl->func->return_type);
107 #endif
108 fi->required_num_args = psi_impl_num_min_args(impl);
109 fi->return_reference = impl->func->return_reference;
110
111 if (impl->func->vararg) {
112 struct psi_impl_arg *vararg = impl->func->vararg;
113 zend_internal_arg_info *ai = &aip[argc];
114
115 ai->name = vararg->var->name;
116 #ifdef ZEND_TYPE_ENCODE
117 ai->type = ZEND_TYPE_ENCODE(psi_internal_type(vararg->type), 1);
118 #else
119 ai->allow_null = 1;
120 ai->type_hint = psi_internal_type(vararg->type);
121 #endif
122 if (vararg->var->reference) {
123 ai->pass_by_reference = 1;
124 }
125 ai->is_variadic = 1;
126 }
127
128 while (psi_plist_get(impl->func->args, i++, &iarg)) {
129 zend_internal_arg_info *ai = &aip[i];
130
131 ai->name = iarg->var->name;
132 #ifdef ZEND_TYPE_ENCODE
133 ai->type = ZEND_TYPE_ENCODE(psi_internal_type(iarg->type), 1);
134 #else
135 ai->allow_null = 1;
136 ai->type_hint = psi_internal_type(iarg->type);
137 #endif
138 if (iarg->var->reference) {
139 ai->pass_by_reference = 1;
140 }
141 }
142
143 return aip;
144 }
145
146 /*
147 * return void(dvar)
148 */
149 void psi_set_void(zval *return_value, struct psi_set_exp *set, impl_val *ret_val, struct psi_call_frame *frame)
150 {
151 RETVAL_NULL();
152 }
153
154 /*
155 * ?
156 */
157 impl_val *psi_let_void(impl_val *tmp, struct psi_decl_arg *spec, token_t impl_type, impl_val *ival, zval *zvalue, void **to_free)
158 {
159 return tmp;
160 }
161
162 /*
163 * set $ivar = zval(dvar)
164 */
165 void psi_set_zval(zval *return_value, struct psi_set_exp *set, impl_val *ret_val, struct psi_call_frame *frame) {
166 RETVAL_ZVAL(ret_val->ptr, 1, 0);
167 }
168
169 /*
170 * let dvar = zval($ivar)
171 */
172 impl_val *psi_let_zval(impl_val *tmp, struct psi_decl_arg *spec, token_t impl_type, impl_val *ival, zval *zvalue, void **to_free)
173 {
174 *to_free = tmp->ptr = emalloc(sizeof(zval));
175 ZVAL_COPY_VALUE(tmp->ptr, zvalue);
176 return tmp;
177 }
178
179 /*
180 * return to_bool(dvar)
181 */
182 void psi_set_to_bool(zval *return_value, struct psi_set_exp *set, impl_val *ret_val, struct psi_call_frame *frame)
183 {
184 psi_set_to_int(return_value, set, ret_val, frame);
185 convert_to_boolean(return_value);
186 }
187
188 static inline impl_val *psi_val_boolval(impl_val *tmp, token_t real_type, zend_bool boolval) {
189 switch (real_type) {
190 case PSI_T_INT8: tmp->i8 = boolval; break;
191 case PSI_T_UINT8: tmp->u8 = boolval; break;
192 case PSI_T_INT16: tmp->i16 = boolval; break;
193 case PSI_T_UINT16: tmp->u16 = boolval; break;
194 case PSI_T_INT32: tmp->i32 = boolval; break;
195 case PSI_T_UINT32: tmp->u32 = boolval; break;
196 case PSI_T_INT64: tmp->i64 = boolval; break;
197 case PSI_T_UINT64: tmp->u64 = boolval; break;
198 #ifdef HAVE_INT128
199 case PSI_T_INT128: tmp->i128 = boolval; break;
200 case PSI_T_UINT128: tmp->u128 = boolval; break;
201 #endif
202 case PSI_T_FLOAT: tmp->fval = boolval; break;
203 case PSI_T_DOUBLE: tmp->dval = boolval; break;
204 #ifdef HAVE_LONG_DOUBLE
205 case PSI_T_LONG_DOUBLE: tmp->ldval = boolval; break;
206 #endif
207 EMPTY_SWITCH_DEFAULT_CASE();
208 }
209 return tmp;
210 }
211
212 /*
213 * let dvar = boolval($ivar)
214 */
215 impl_val *psi_let_boolval(impl_val *tmp, struct psi_decl_arg *spec, token_t impl_type, impl_val *ival, zval *zvalue, void **to_free)
216 {
217 zend_bool boolval;
218 token_t real_type = spec ? psi_decl_type_get_real(spec->type)->type : PSI_T_UINT8;
219
220 if (ival && impl_type == PSI_T_BOOL) {
221 boolval = ival->zend.bval;
222 } else {
223 boolval = zend_is_true(zvalue);
224 }
225
226 return psi_val_boolval(tmp, real_type, boolval);
227 }
228
229 #if HAVE_INT128
230 static inline char *psi_u128_to_buf(char *buf, unsigned __int128 u128)
231 {
232 for (*buf = 0; u128 > 0; u128 /= 10) {
233 *--buf = ((u128 % 10) + '0') & 0xff;
234 }
235 return buf;
236 }
237
238 static inline char *psi_i128_to_buf(char *buf, __int128 i128)
239 {
240 if (i128 < 0) {
241 char *res = psi_u128_to_buf(buf, ~((unsigned __int128) i128) + 1);
242
243 *--res = '-';
244 return res;
245 }
246 return psi_u128_to_buf(buf, i128);
247 }
248
249 # define RETVAL_LONG_STR(V, s) do {\
250 char buf[0x30] = {0}; \
251 if (s && V >= ZEND_LONG_MIN && V <= ZEND_LONG_MAX) { \
252 RETVAL_LONG(V); \
253 } else if (!s && V <= ZEND_LONG_MAX) { \
254 RETVAL_LONG(V); \
255 } else if (!s && V <= ZEND_ULONG_MAX) { \
256 RETVAL_STRING(zend_print_ulong_to_buf(&buf[sizeof(buf) - 1], V)); \
257 } else if (s && V >= INT128_MIN && V <= INT128_MAX) { \
258 RETVAL_STRING(psi_i128_to_buf(&buf[sizeof(buf) - 1], V)); \
259 } else { \
260 RETVAL_STRING(psi_u128_to_buf(&buf[sizeof(buf) - 1], V)); \
261 } \
262 } while (0)
263 #else
264 # define RETVAL_LONG_STR(V, s) do {\
265 char buf[0x20] = {0}; \
266 if (s && V >= ZEND_LONG_MIN && V <= ZEND_LONG_MAX) { \
267 RETVAL_LONG(V); \
268 } else if (!s && V <= ZEND_LONG_MAX) { \
269 RETVAL_LONG(V); \
270 } else { \
271 RETVAL_STRING(zend_print_ulong_to_buf(&buf[sizeof(buf) - 1], V)); \
272 } \
273 } while (0)
274 #endif
275 /*
276 * set $ivar = to_int(*dvar)
277 */
278 void psi_set_to_int(zval *return_value, struct psi_set_exp *set, impl_val *ret_val, struct psi_call_frame *frame)
279 {
280 struct psi_decl_var *var = psi_set_exp_get_decl_var(set);
281 token_t t = psi_decl_type_get_real(var->arg->type)->type;
282 impl_val *v = deref_impl_val(ret_val, var);
283
284 switch (t) {
285 case PSI_T_INT8: RETVAL_LONG(v->i8); break;
286 case PSI_T_UINT8: RETVAL_LONG(v->u8); break;
287 case PSI_T_INT16: RETVAL_LONG(v->i16); break;
288 case PSI_T_UINT16: RETVAL_LONG(v->u16); break;
289 case PSI_T_ENUM:
290 case PSI_T_INT32: RETVAL_LONG(v->i32); break;
291 case PSI_T_UINT32: RETVAL_LONG(v->u32); break;
292 case PSI_T_INT64: RETVAL_LONG(v->i64); break;
293 case PSI_T_UINT64: RETVAL_LONG_STR(v->u64, 0); break;
294 #ifdef HAVE_INT128
295 case PSI_T_INT128: RETVAL_LONG_STR(v->i128, 1); break;
296 case PSI_T_UINT128: RETVAL_LONG_STR(v->u128, 0); break;
297 #endif
298 case PSI_T_FLOAT:
299 RETVAL_DOUBLE((double) v->fval);
300 convert_to_long(return_value);
301 break;
302 case PSI_T_DOUBLE:
303 RETVAL_DOUBLE(v->dval);
304 convert_to_long(return_value);
305 break;
306 #ifdef HAVE_LONG_DOUBLE
307 case PSI_T_LONG_DOUBLE:
308 RETVAL_DOUBLE((double) v->ldval);
309 convert_to_long(return_value);
310 break;
311 #endif
312 EMPTY_SWITCH_DEFAULT_CASE();
313 }
314 }
315
316 static inline impl_val *psi_val_intval(impl_val *tmp, token_t real_type, zend_long intval) {
317 switch (real_type) {
318 case PSI_T_INT8: tmp->i8 = intval; break;
319 case PSI_T_UINT8: tmp->u8 = intval; break;
320 case PSI_T_INT16: tmp->i16 = intval; break;
321 case PSI_T_UINT16: tmp->u16 = intval; break;
322 case PSI_T_ENUM:
323 case PSI_T_INT32: tmp->i32 = intval; break;
324 case PSI_T_UINT32: tmp->u32 = intval; break;
325 case PSI_T_INT64: tmp->i64 = intval; break;
326 case PSI_T_UINT64: tmp->u64 = intval; break;
327 #if HAVE_INT128
328 case PSI_T_INT128: tmp->i128 = intval; break;
329 case PSI_T_UINT128: tmp->u128 = intval; break;
330 #endif
331 case PSI_T_FLOAT: tmp->fval = intval; break;
332 case PSI_T_DOUBLE: tmp->dval = intval; break;
333 #ifdef HAVE_LONG_DOUBLE
334 case PSI_T_LONG_DOUBLE: tmp->ldval = intval; break;
335 #endif
336 EMPTY_SWITCH_DEFAULT_CASE();
337 }
338
339 return tmp;
340 }
341
342 #if HAVE_INT128
343 void psi_strto_i128(char *ptr, char *end, token_t real_type, impl_val *val) {
344 unsigned __int128 i = 0;
345 bool oct = false, hex = false, sign = false;
346
347 if (*ptr == '+') {
348 ++ptr;
349 } else if (*ptr == '-') {
350 sign = true;
351 ++ptr;
352 } else if (*ptr == '\\') {
353 switch (*++ptr) {
354 case 'x':
355 hex = true;
356 ++ptr;
357 break;
358 case '0':case '1':case '2':case '3':case '4':case '5':case '6':case '7':
359 oct = true;
360 break;
361 default:
362 goto fail;
363 }
364 }
365 while (ptr < end) {
366 switch (*ptr) {
367 case '8':case '9':
368 if (oct) {
369 goto fail;
370 }
371 /* no break */
372 case '0':case '1':case '2':case '3':case '4':case '5':case '6':case '7':
373 if (oct) {
374 i <<= 3;
375 } else if (hex) {
376 i <<= 4;
377 } else {
378 i *= 10;
379 }
380 i += *ptr - '0';
381 break;
382 case 'a':case 'b':case 'c':case 'd':case 'e':case 'f':
383 if (!hex) {
384 goto fail;
385 }
386 i <<= 4;
387 i += 10 + (*ptr - 'a');
388 break;
389 case 'A':case 'B':case 'C':case 'D':case 'E':case 'F':
390 if (!hex) {
391 goto fail;
392 }
393 i <<= 4;
394 i += 10 + (*ptr - 'A');
395 break;
396 default:
397 fail:
398 zend_error(E_WARNING, "A non well formed numeric value encountered");
399 goto stop;
400 }
401 ++ptr;
402 }
403
404 stop:
405 if (real_type == PSI_T_UINT128) {
406 if (sign) {
407 val->u128 = -i;
408 } else {
409 val->u128 = i;
410 }
411 } else {
412 if (sign) {
413 val->i128 = -i;
414 } else {
415 val->i128 = i;
416 }
417 }
418 }
419 #endif
420
421 /*
422 * let dvar = intval($ivar)
423 */
424 impl_val *psi_let_intval(impl_val *tmp, struct psi_decl_arg *spec, token_t impl_type, impl_val *ival, zval *zvalue, void **to_free)
425 {
426 int64_t intval;
427 token_t real_type = spec ? psi_decl_type_get_real(spec->type)->type : PSI_T_INT64;
428
429
430 if (ival && impl_type == PSI_T_INT) {
431 intval = ival->zend.lval;
432 #if HAVE_INT128
433 } else if ((real_type == PSI_T_UINT128 || real_type == PSI_T_INT128) &&
434 !((Z_TYPE_P(zvalue) == IS_TRUE || Z_TYPE_P(zvalue) == IS_FALSE || Z_TYPE_P(zvalue) == IS_LONG || Z_TYPE_P(zvalue) == IS_DOUBLE || Z_TYPE_P(zvalue) == IS_NULL))) {
435 zend_string *str = zval_get_string(zvalue);
436 psi_strto_i128(str->val, str->val + str->len, real_type, tmp);
437 zend_string_release(str);
438 return tmp;
439 #endif
440 } else {
441 intval = zval_get_long(zvalue);
442 }
443
444 return psi_val_intval(tmp, real_type, intval);
445 }
446
447 /*
448 * set $ivar = to_float(dvar)
449 */
450 void psi_set_to_float(zval *return_value, struct psi_set_exp *set, impl_val *ret_val, struct psi_call_frame *frame)
451 {
452 struct psi_decl_var *var = psi_set_exp_get_decl_var(set);
453 token_t t = psi_decl_type_get_real(var->arg->type)->type;
454 impl_val *v = deref_impl_val(ret_val, var);
455
456 switch (t) {
457 case PSI_T_FLOAT: RETVAL_DOUBLE((double) v->fval); break;
458 case PSI_T_DOUBLE: RETVAL_DOUBLE(v->dval); break;
459 #ifdef HAVE_LONG_DOUBLE
460 case PSI_T_LONG_DOUBLE: RETVAL_DOUBLE((double) v->ldval); break;
461 #endif
462 case PSI_T_INT8: RETVAL_DOUBLE((double) v->i8); break;
463 case PSI_T_UINT8: RETVAL_DOUBLE((double) v->u8); break;
464 case PSI_T_INT16: RETVAL_DOUBLE((double) v->i16); break;
465 case PSI_T_UINT16: RETVAL_DOUBLE((double) v->u16); break;
466 case PSI_T_INT32: RETVAL_DOUBLE((double) v->i32); break;
467 case PSI_T_UINT32: RETVAL_DOUBLE((double) v->u32); break;
468 case PSI_T_INT64: RETVAL_DOUBLE((double) v->i64); break;
469 case PSI_T_UINT64: RETVAL_DOUBLE((double) v->u64); break;
470 #if HAVE_INT128
471 case PSI_T_INT128: RETVAL_DOUBLE((double) v->i128); break;
472 case PSI_T_UINT128: RETVAL_DOUBLE((double) v->u128); break;
473 #endif
474 EMPTY_SWITCH_DEFAULT_CASE();
475 }
476 }
477
478 static inline impl_val *psi_val_floatval(impl_val *tmp, token_t real_type, double floatval) {
479 switch (real_type) {
480 case PSI_T_INT8: tmp->i8 = floatval; break;
481 case PSI_T_UINT8: tmp->u8 = floatval; break;
482 case PSI_T_INT16: tmp->i16 = floatval; break;
483 case PSI_T_UINT16: tmp->u16 = floatval; break;
484 case PSI_T_INT32: tmp->i32 = floatval; break;
485 case PSI_T_UINT32: tmp->u32 = floatval; break;
486 case PSI_T_INT64: tmp->i64 = floatval; break;
487 case PSI_T_UINT64: tmp->u64 = floatval; break;
488 #if HAVE_INT128
489 case PSI_T_INT128: tmp->i128 = floatval; break;
490 case PSI_T_UINT128: tmp->u128 = floatval; break;
491 #endif
492 case PSI_T_FLOAT: tmp->fval = floatval; break;
493 case PSI_T_DOUBLE: tmp->dval = floatval; break;
494 #ifdef HAVE_LONG_DOUBLE
495 case PSI_T_LONG_DOUBLE: tmp->ldval = floatval; break;
496 #endif
497 EMPTY_SWITCH_DEFAULT_CASE();
498 }
499
500 return tmp;
501 }
502
503 /*
504 * let dvar = floatval($ivar)
505 */
506 impl_val *psi_let_floatval(impl_val *tmp, struct psi_decl_arg *spec, token_t impl_type, impl_val *ival, zval *zvalue, void **to_free)
507 {
508 double floatval;
509 token_t real_type = spec ? psi_decl_type_get_real(spec->type)->type : PSI_T_DOUBLE;
510
511 if (ival && (impl_type == PSI_T_FLOAT || impl_type == PSI_T_DOUBLE)) {
512 floatval = ival->dval;
513 } else {
514 floatval = zval_get_double(zvalue);
515 }
516
517 return psi_val_floatval(tmp, real_type, floatval);
518 }
519
520 /*
521 * set $ivar = to_string(dvar)
522 */
523 void psi_set_to_string(zval *return_value, struct psi_set_exp *set, impl_val *ret_val, struct psi_call_frame *frame)
524 {
525 struct psi_decl_var *var = psi_set_exp_get_decl_var(set);
526 impl_val *ptr = deref_impl_val(ret_val, var);
527 char *str;
528
529 if (var->arg->var->array_size) {
530 str = (char *) ptr;
531 } else {
532 str = ptr->ptr;
533 }
534
535 if (str) {
536 RETVAL_STRING(str);
537 } else {
538 RETVAL_EMPTY_STRING();
539 }
540 }
541
542 /*
543 * set $ivar = to_string(dvar, num_exp)
544 */
545 void psi_set_to_stringl(zval *return_value, struct psi_set_exp *set, impl_val *ret_val, struct psi_call_frame *frame)
546 {
547 struct psi_decl_var *var = psi_set_exp_get_decl_var(set);
548 char *str = deref_impl_val(ret_val, var)->ptr;
549
550 if (str) {
551 struct psi_set_exp *sub_exp;
552
553 psi_plist_get(set->inner, 0, &sub_exp);
554 RETVAL_STRINGL(str, psi_num_exp_get_long(sub_exp->data.num, frame, NULL));
555 } else {
556 RETVAL_EMPTY_STRING();
557 }
558 }
559
560 /*
561 * let dvar = strval($ivar)
562 */
563 impl_val *psi_let_strval(impl_val *tmp, struct psi_decl_arg *spec, token_t impl_type, impl_val *ival, zval *zvalue, void **to_free)
564 {
565 if (ival && impl_type == PSI_T_STRING) {
566 if (ival->zend.str) {
567 tmp->ptr = ival->zend.str->val;
568 } else {
569 tmp->ptr = "";
570 }
571 } else {
572 zend_string *zs = zval_get_string(zvalue);
573 tmp->ptr = estrdup(zs->val);
574 *to_free = tmp->ptr;
575 zend_string_release(zs);
576 }
577
578 return tmp;
579 }
580
581 /*
582 * let dvar = pathval($ivar)
583 */
584 impl_val *psi_let_pathval(impl_val *tmp, struct psi_decl_arg *spec, token_t impl_type, impl_val *ival, zval *zvalue, void **to_free)
585 {
586 tmp = psi_let_strval(tmp, spec, impl_type, ival, zvalue, to_free);
587 if (SUCCESS != php_check_open_basedir(tmp->ptr)) {
588 efree(tmp->ptr);
589 tmp->ptr = NULL;
590 return *to_free = NULL;
591 }
592 return tmp;
593 }
594
595 /*
596 * let dvar = strlen($ivar)
597 */
598 impl_val *psi_let_strlen(impl_val *tmp, struct psi_decl_arg *spec, token_t impl_type, impl_val *ival, zval *zvalue, void **to_free)
599 {
600 if (ival && impl_type == PSI_T_STRING) {
601 if (ival->zend.str) {
602 tmp->u64 = ival->zend.str->len;
603 } else {
604 tmp->u64 = 0;
605 }
606 } else {
607 zend_string *zs = zval_get_string(zvalue);
608 tmp->u64 = zs->len;
609 zend_string_release(zs);
610 }
611
612 if (spec) {
613 psi_calc_cast(PSI_T_UINT64, tmp, psi_decl_type_get_real(spec->type)->type, tmp);
614 }
615 return tmp;
616 }
617
618 #if 0
619 static impl_val *iterate(impl_val *val, size_t size, unsigned i, impl_val *tmp)
620 {
621 memset(tmp, 0, sizeof(*tmp));
622 memcpy(tmp, ((char *) val) + size * i, size);
623 return tmp;
624 }
625 #endif
626
627 /*
628 * set $ivar = to_array(dvar,
629 * $foo = to_int(d_foo),
630 * $bar = to_string(d_bar),
631 * $baz = to_array(*d_next, ...)
632 */
633 void psi_set_to_recursive(zval *return_value, struct psi_set_exp *set, impl_val *r_val, struct psi_call_frame *frame) {
634 set->outer->data.func->handler(return_value, set, r_val, frame);
635 }
636
637 /*
638 * set $ivar = to_array(dvar, to_string(*dvar));
639 */
640 void psi_set_to_array_simple(zval *return_value, struct psi_set_exp *set, impl_val *r_val, struct psi_call_frame *frame)
641 {
642 struct psi_set_exp *sub_exp;
643 struct psi_decl_var *var;
644 impl_val *ret_val;
645 char *ptr;
646 size_t size;
647
648 array_init(return_value);
649
650 var = psi_set_exp_get_decl_var(set);
651 ret_val = deref_impl_val(r_val, var);
652 if ((intptr_t) ret_val <= (intptr_t) 0) {
653 return;
654 }
655
656 psi_plist_get(set->inner, 0, &sub_exp);
657
658 size = psi_decl_arg_get_size(var->arg);
659 for (ptr = ret_val->ptr; *(void **) ptr; ptr += size) {
660 zval ele;
661
662 ZVAL_NULL(&ele);
663 sub_exp->data.func->handler(&ele, sub_exp, (void *) ptr, frame);
664 add_next_index_zval(return_value, &ele);
665 }
666 }
667
668 /*
669 * set $ivar = to_array(dvar, num_exp, to_string(*dvar));
670 */
671 void psi_set_to_array_counted(zval *return_value, struct psi_set_exp *set, impl_val *r_val, struct psi_call_frame *frame)
672 {
673 struct psi_set_exp *sub_exp;
674 struct psi_decl_var *var;
675 impl_val *ret_val;
676 char *ptr;
677 size_t size;
678 zend_long count;
679
680 array_init(return_value);
681
682 var = psi_set_exp_get_decl_var(set);
683 ret_val = deref_impl_val(r_val, var);
684 if ((intptr_t) ret_val <= (intptr_t) 0) {
685 return;
686 }
687
688 psi_plist_get(set->inner, 0, &sub_exp);
689 count = psi_num_exp_get_long(sub_exp->data.num, frame, NULL);
690 psi_plist_get(set->inner, 1, &sub_exp);
691
692 for (ptr = (char *) ret_val; 0 < count--; ptr += size) {
693 size = psi_decl_var_get_size(psi_set_exp_get_decl_var(sub_exp));
694 zval ele;
695
696 ZVAL_NULL(&ele);
697 sub_exp->data.func->handler(&ele, sub_exp, (void *) &ptr, frame);
698 add_next_index_zval(return_value, &ele);
699 }
700 }
701
702 #include "call.h"
703
704 /*
705 * set $ivar = to_array(dvar,
706 * $foo = to_int(d_foo),
707 * $bar = to_string(d_bar));
708 */
709 void psi_set_to_array(zval *return_value, struct psi_set_exp *set, impl_val *r_val, struct psi_call_frame *frame)
710 {
711 struct psi_set_exp *sub_exp;
712 struct psi_decl_var *var;
713 impl_val *ret_val;
714 size_t i = 0;
715
716 array_init(return_value);
717
718 var = psi_set_exp_get_decl_var(set);
719 ret_val = deref_impl_val(r_val, var);
720 if ((intptr_t) ret_val <= (intptr_t) 0) {
721 return;
722 }
723
724 while (psi_plist_get(set->inner, i++, &sub_exp)) {
725 zval ele;
726 struct psi_decl_var *dvar = psi_set_exp_get_decl_var(sub_exp);
727 struct psi_impl_var *ivar = psi_set_exp_get_impl_var(sub_exp);
728 struct psi_call_frame_symbol *sym;
729
730 sym = psi_call_frame_fetch_symbol(frame, dvar);
731 sym->ptr = ((char *) ret_val) + dvar->arg->layout->pos;
732
733 ZVAL_NULL(&ele);
734 psi_set_exp_exec_ex(sub_exp, &ele, sym->ptr, frame);
735 add_assoc_zval(return_value, ivar->name + 1, &ele);
736 }
737 }
738
739 /*
740 * let dvar = count($ivar)
741 */
742 impl_val *psi_let_count(impl_val *tmp, struct psi_decl_arg *spec, token_t impl_type, impl_val *ival, zval *zvalue, void **to_free)
743 {
744 return psi_val_intval(tmp, psi_decl_type_get_real(spec->type)->type, psi_zval_count(zvalue));
745 }
746
747 /*
748 * set $ivar = to_object(dvar)
749 */
750 void psi_set_to_object(zval *return_value, struct psi_set_exp *set, impl_val *r_val, struct psi_call_frame *frame)
751 {
752 struct psi_decl_var *var = psi_set_exp_get_decl_var(set);
753 impl_val *ret_val = deref_impl_val(r_val, var);
754
755 if ((intptr_t) ret_val->ptr > (intptr_t) 0) {
756 object_init_ex(return_value, psi_object_get_class_entry());
757 PSI_OBJ(return_value, NULL)->data = ret_val->ptr;
758 } else {
759 RETVAL_NULL();
760 }
761 }
762
763 /*
764 * let dvar = objval($ivar)
765 */
766 impl_val *psi_let_objval(impl_val *tmp, struct psi_decl_arg *spec, token_t impl_type, impl_val *ival, zval *zvalue, void **to_free)
767 {
768 psi_object *obj;
769
770 if (Z_TYPE_P(zvalue) != IS_OBJECT
771 || !instanceof_function(Z_OBJCE_P(zvalue), psi_object_get_class_entry())) {
772 return NULL;
773 }
774
775 obj = PSI_OBJ(zvalue, NULL);
776 tmp->ptr = obj->data;
777
778 return tmp;
779 }
780
PHP System Interface / POSIX Standard Interface