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[m6w6/ext-psi] / src / context_validate.c
1 #ifdef HAVE_CONFIG_H
2 # include "config.h"
3 #endif
4
5 #include "php.h"
6
7 #include <sys/param.h>
8 #include <dlfcn.h>
9
10 #include "php_psi.h"
11 #include "php_psi_stdinc.h"
12 #include "php_psi_stdtypes.h"
13 #include "php_psi_macros.h"
14 #include "php_psi_redirs.h"
15
16 #include "parser.h"
17 #include "calc.h"
18 #include "marshal.h"
19 #include "engine.h"
20
21 static int validate_lib(struct psi_data *data, void **dlopened) {
22 char lib[MAXPATHLEN];
23 const char *ptr = data->psi.file.ln;
24 size_t len;
25
26 if (!ptr) {
27 /* FIXME: assume stdlib */
28 return 1;
29 } else if (!strchr(ptr, '/')) {
30 len = snprintf(lib, MAXPATHLEN, "lib%s.%s", ptr, PHP_PSI_SHLIB_SUFFIX);
31 if (MAXPATHLEN == len) {
32 data->error(data, NULL, PSI_WARNING, "Library name too long: '%s'", ptr);
33 }
34 lib[len] = 0;
35 ptr = lib;
36 }
37 if (!(*dlopened = dlopen(ptr, RTLD_LAZY|RTLD_LOCAL))) {
38 data->error(data, NULL, PSI_WARNING, "Could not open library '%s': %s.",
39 data->psi.file.ln, dlerror());
40 return 0;
41 }
42 return 1;
43 }
44
45 static inline int locate_decl_type_alias(decl_typedefs *defs, decl_type *type) {
46 size_t i;
47 struct psi_std_type *stdtyp;
48
49 if (type->real.def) {
50 return 1;
51 }
52 if (defs) for (i = 0; i < defs->count; ++i) {
53 decl_arg *def = defs->list[i];
54
55 if (def->type->type != type->type && !strcmp(def->var->name, type->name)) {
56 type->real.def = def;
57 return 1;
58 }
59 }
60 for (stdtyp = &psi_std_types[0]; stdtyp->type_tag; ++stdtyp) {
61 if (!strcmp(type->name, stdtyp->alias ?: stdtyp->type_name)) {
62 type->type = stdtyp->type_tag;
63 return 1;
64 }
65 }
66
67 return 0;
68 }
69
70 static inline int locate_decl_type_struct(decl_structs *structs, decl_type *type) {
71 size_t i;
72
73 if (type->real.strct) {
74 return 1;
75 }
76 if (structs) for (i = 0; i < structs->count; ++i) {
77 if (!strcmp(structs->list[i]->name, type->name)) {
78 type->real.strct = structs->list[i];
79 return 1;
80 }
81 }
82 return 0;
83 }
84
85 static inline int locate_decl_type_union(decl_unions *unions, decl_type *type) {
86 size_t i;
87
88 if (type->real.unn) {
89 return 1;
90 }
91 if (unions) for (i = 0; i < unions->count; ++i) {
92 if (!strcmp(unions->list[i]->name, type->name)) {
93 type->real.unn = unions->list[i];
94 return 1;
95 }
96 }
97 return 0;
98 }
99
100 static inline int locate_decl_type_enum(decl_enums *enums, decl_type *type) {
101 size_t i;
102
103 if (type->real.enm) {
104 return 1;
105 }
106 if (enums) for (i = 0; i < enums->count; ++i) {
107 if (!strcmp(enums->list[i]->name, type->name)) {
108 type->real.enm = enums->list[i];
109 return 1;
110 }
111 }
112 return 0;
113 }
114
115 static inline int locate_decl_type_decl(decls *decls, decl_type *type) {
116 size_t i;
117
118 if (type->real.func) {
119 return 1;
120 }
121 if (decls) for (i = 0; i < decls->count; ++i) {
122 if (!strcmp(decls->list[i]->func->var->name, type->name)) {
123 type->real.func = decls->list[i];
124 return 1;
125 }
126 }
127
128 return 0;
129 }
130
131 static inline int validate_decl_nodl(struct psi_data *data, decl *decl);
132 static inline int validate_decl_struct(struct psi_data *data, decl_struct *s);
133 static inline int validate_decl_union(struct psi_data *data, decl_union *u);
134 static inline int validate_decl_enum(struct psi_data *data, decl_enum *e);
135
136 static inline int validate_decl_type(struct psi_data *data, decl_type *type, decl_arg *def) {
137 if (weak_decl_type(type)) {
138 if (!locate_decl_type_alias(data->defs, type)) {
139 return 0;
140 }
141 if (type->real.def) {
142 return validate_decl_type(data, type->real.def->type, type->real.def);
143 }
144 return 1;
145 }
146
147 switch (type->type) {
148 case PSI_T_STRUCT:
149 if (!locate_decl_type_struct(data->structs, type)) {
150 return 0;
151 }
152 break;
153 case PSI_T_UNION:
154 if (!locate_decl_type_union(data->unions, type)) {
155 return 0;
156 }
157 break;
158 case PSI_T_ENUM:
159 if (!locate_decl_type_enum(data->enums, type)) {
160 return 0;
161 }
162 break;
163 case PSI_T_FUNCTION:
164 if (!locate_decl_type_decl(data->decls, type)) {
165 return 0;
166 }
167 if (!validate_decl_nodl(data, type->real.func)) {
168 return 0;
169 }
170 break;
171 }
172 return 1;
173 }
174 static inline int validate_decl_typedef(struct psi_data *data, decl_arg *def) {
175 if (!validate_decl_type(data, def->type, def)) {
176 const char *pre;
177
178 switch (def->type->type) {
179 case PSI_T_STRUCT: pre = "struct "; break;
180 case PSI_T_UNION: pre = "union "; break;
181 case PSI_T_ENUM: pre = "enum "; break;
182 default: pre = ""; break;
183 }
184 data->error(data, def->token, PSI_WARNING,
185 "Type '%s' cannot be aliased to %s'%s'",
186 def->var->name, pre, def->type->name);
187 return 0;
188 }
189 if (def->type->type == PSI_T_VOID) {
190 if (def->var->pointer_level) {
191 def->type->type = PSI_T_POINTER;
192 } else {
193 data->error(data, def->token, PSI_WARNING,
194 "Type '%s' cannot be aliased to 'void'",
195 def->type->name);
196 return 0;
197 }
198 }
199 return 1;
200 }
201
202 static inline int validate_constant(struct psi_data *data, constant *c) {
203 /* FIXME */
204 return 1;
205 }
206
207 static inline int validate_decl_arg(struct psi_data *data, decl_arg *arg) {
208 if (!validate_decl_type(data, arg->type, NULL)) {
209 data->error(data, arg->type->token, PSI_WARNING,
210 "Cannot use '%s' as type for '%s'",
211 arg->type->name, arg->var->name);
212 return 0;
213 }
214 return 1;
215 }
216
217 static int psi_sort_struct_arg_cmp(const void *_a, const void *_b) {
218 decl_arg *a = *(decl_arg **)_a, *b = *(decl_arg **)_b;
219
220 if (a->layout->pos == b->layout->pos) {
221 if (a->layout->len == b->layout->len) {
222 return 0;
223 } else if (a->layout->len > b->layout->len) {
224 return -1;
225 } else {
226 return 1;
227 }
228 } else if (a->layout->pos > b->layout->pos) {
229 return 1;
230 } else {
231 return -1;
232 }
233 }
234 static void psi_sort_struct_arg_swp(void *a, void *b) {
235 decl_arg **_a = a, **_b = b, *_c;
236
237 _c = *_b;
238 *_b = *_a;
239 *_a = _c;
240 }
241 static inline void psi_sort_struct_args(void **args, size_t count) {
242 zend_insert_sort(args, count, sizeof(*args),
243 psi_sort_struct_arg_cmp, psi_sort_struct_arg_swp);
244 }
245
246 static inline int validate_decl_struct_darg(struct psi_data *data, decl_arg *darg, void *current) {
247 decl_type *real = real_decl_type(darg->type);
248
249 /* pre-validate any structs/unions/enums */
250 switch (real->type) {
251 case PSI_T_STRUCT:
252 if (current && current == real->real.strct) {
253 return 1;
254 }
255 if (!locate_decl_type_struct(data->structs, real)) {
256 return 0;
257 }
258 if (!validate_decl_struct(data, real->real.strct)) {
259 return 0;
260 }
261 break;
262 case PSI_T_UNION:
263 if (current && current == real->real.unn) {
264 return 1;
265 }
266 if (!locate_decl_type_union(data->unions, real)) {
267 return 0;
268 }
269 if (!validate_decl_union(data, real->real.unn)) {
270 return 0;
271 }
272 break;
273 case PSI_T_ENUM:
274 if (current && current == real->real.enm) {
275 return 1;
276 }
277 if (!locate_decl_type_enum(data->enums, real)) {
278 return 0;
279 }
280 if (!validate_decl_enum(data, real->real.enm)) {
281 return 0;
282 }
283 break;
284 }
285
286 return 1;
287 }
288
289 static inline size_t sizeof_decl_arg(decl_arg *darg) {
290 size_t size;
291 decl_type *real = real_decl_type(darg->type);
292
293 if (darg->var->array_size) {
294 if (darg->var->pointer_level > 2) {
295 size = psi_t_size(PSI_T_POINTER) * darg->var->array_size;
296 } else {
297 size = psi_t_size(real->type) * darg->var->array_size;
298 }
299 } else if (darg->var->pointer_level) {
300 size = psi_t_size(PSI_T_POINTER);
301 } else {
302 switch (real->type) {
303 case PSI_T_UNION:
304 size = real->real.unn->size;
305 break;
306 case PSI_T_STRUCT:
307 size = real->real.strct->size;
308 break;
309 case PSI_T_ENUM:
310 default:
311 size = psi_t_size(real->type);
312 break;
313 }
314 }
315
316 ZEND_ASSERT(size);
317
318 return size;
319 }
320
321 static inline size_t alignof_decl_type(decl_type *t);
322 static inline size_t alignof_decl_arg(decl_arg *darg);
323 static inline size_t alignof_decl_union(decl_union *u);
324 static inline size_t alignof_decl_struct(decl_struct *s);
325
326 static inline size_t alignof_decl_args(decl_args *args) {
327 size_t i, maxalign = 0;
328
329 for (i = 0; i < args->count; ++i) {
330 decl_arg *darg = args->args[i];
331 size_t align = alignof_decl_arg(darg);
332
333 if (align > maxalign) {
334 maxalign = align;
335 }
336 }
337
338 return maxalign;
339 }
340
341 static inline size_t alignof_decl_struct(decl_struct *s) {
342 if (!s->align) {
343 s->align = alignof_decl_args(s->args);
344 }
345 return s->align;
346 }
347
348 static inline size_t alignof_decl_union(decl_union *u) {
349 if (!u->align) {
350 u->align = alignof_decl_args(u->args);
351 }
352 return u->align;
353 }
354
355 static inline size_t alignof_decl_type(decl_type *t) {
356 decl_type *real = real_decl_type(t);
357 size_t align;
358
359 switch (real->type) {
360 case PSI_T_STRUCT:
361 align = alignof_decl_struct(real->real.strct);
362 break;
363 case PSI_T_UNION:
364 align = alignof_decl_union(real->real.unn);
365 break;
366 case PSI_T_ENUM:
367 default:
368 align = psi_t_alignment(real->type);
369 }
370
371 return align;
372 }
373
374 static inline size_t alignof_decl_arg(decl_arg *darg) {
375 size_t align;
376
377 if (darg->var->pointer_level && (!darg->var->array_size || darg->var->pointer_level > 2)) {
378 align = psi_t_alignment(PSI_T_POINTER);
379 } else {
380 align = alignof_decl_type(darg->type);
381 }
382
383 return align;
384 }
385
386 static inline size_t align_decl_arg(decl_arg *darg, size_t *pos, size_t *len) {
387 size_t align = alignof_decl_arg(darg);
388
389 ZEND_ASSERT(align);
390
391 *len = sizeof_decl_arg(darg);
392 *pos = psi_align(align, *pos);
393
394 return align;
395 }
396
397 static inline int validate_decl_struct(struct psi_data *data, decl_struct *s) {
398 size_t i, pos, len, size, align;
399
400 if (!s->size && !s->args->count) {
401 data->error(data, s->token, PSI_WARNING,
402 "Cannot compute size of empty struct '%s'",
403 s->name);
404 return 0;
405 }
406
407 for (i = 0; i < s->args->count; ++i) {
408 decl_arg *darg = s->args->args[i];
409
410 if (!validate_decl_arg(data, darg)) {
411 return 0;
412 }
413
414 ZEND_ASSERT(!darg->var->arg || darg->var->arg == darg);
415 darg->var->arg = darg;
416
417 if (!validate_decl_struct_darg(data, darg, s)) {
418 return 0;
419 } else if (darg->layout) {
420 pos = darg->layout->pos;
421
422 align = align_decl_arg(darg, &pos, &len);
423
424 if (darg->layout->len != len) {
425 data->error(data, darg->token, PSI_WARNING,
426 "Computed size %zu of %s.%s does not match"
427 " pre-defined size %zu of type '%s'",
428 len, s->name, darg->var->name, darg->layout->len,
429 darg->type->name);
430 }
431 if (darg->layout->pos != pos) {
432 data->error(data, darg->token, PSI_WARNING,
433 "Computed offset %zu of %s.%s does not match"
434 " pre-defined offset %zu",
435 pos, s->name, darg->var->name, darg->layout->pos);
436 }
437 } else {
438 if (i) {
439 pos = s->args->args[i-1]->layout->pos +
440 s->args->args[i-1]->layout->len;
441 } else {
442 pos = 0;
443 }
444
445 align = align_decl_arg(darg, &pos, &len);
446 darg->layout = init_decl_struct_layout(pos, len);
447 }
448
449 if (align > s->align) {
450 s->align = align;
451 }
452 }
453
454 psi_sort_struct_args((void **) s->args->args, s->args->count);
455
456 if (s->args->count) {
457 decl_arg *darg = s->args->args[s->args->count-1];
458
459 size = darg->layout->pos + darg->layout->len;
460 if (s->size < size) {
461 s->size = psi_align(size, s->align);
462 }
463 }
464
465 return 1;
466 }
467
468 static inline int validate_decl_union(struct psi_data *data, decl_union *u) {
469 size_t i, pos, len, size = 0, align;
470
471 if (!u->size && !u->args->count) {
472 data->error(data, u->token, PSI_WARNING,
473 "Cannot compute size of empty union %s",
474 u->name);
475 return 0;
476 }
477
478 for (i = 0; i < u->args->count; ++i) {
479 decl_arg *darg = u->args->args[i];
480
481 if (!validate_decl_arg(data, darg)) {
482 return 0;
483 }
484
485 ZEND_ASSERT(!darg->var->arg || darg->var->arg == darg);
486 darg->var->arg = darg;
487
488 if (!validate_decl_struct_darg(data, darg, u)) {
489 return 0;
490 } else if (darg->layout) {
491 pos = darg->layout->pos;
492
493 align = align_decl_arg(darg, &pos, &len);
494
495 if (darg->layout->pos != 0) {
496 data->error(data, darg->token, PSI_WARNING,
497 "Offset of %s.%s should be 0",
498 u->name, darg->var->name);
499 darg->layout->pos = 0;
500 }
501 if (darg->layout->len != len) {
502 data->error(data, darg->token, PSI_WARNING,
503 "Computed size %zu of %s.%s does not match"
504 " pre-defined size %zu of type '%s'",
505 len, u->name, darg->var->name, darg->layout->len,
506 darg->type->name);
507 }
508 } else {
509 pos = 0;
510
511 align = align_decl_arg(darg, &pos, &len);
512 darg->layout = init_decl_struct_layout(pos, len);
513
514 }
515 if (len > size) {
516 size = len;
517 }
518 if (align > u->align) {
519 u->align = align;
520 }
521 }
522
523 psi_sort_struct_args((void **) u->args->args, u->args->count);
524
525 if (u->size < size) {
526 u->size = psi_align(size, u->align);
527 }
528
529 return 1;
530 }
531
532 static const char * const abi_ccs[] = {
533 "default", /* \ */
534 "extern", /* > - all the same */
535 "cdecl", /* / */
536 "mscdecl",
537 "stdcall",
538 "fastcall",
539 };
540 static inline int validate_decl_abi(struct psi_data *data, decl_abi *abi) {
541 size_t i;
542
543 for (i = 0; i < sizeof(abi_ccs)/sizeof(char*); ++i) {
544 if (strcasecmp(abi->convention, abi_ccs[i])) {
545 return 1;
546 }
547 }
548 return 0;
549 }
550 static inline int validate_decl_func(struct psi_data *data, void *dl, decl *decl, decl_arg *func)
551 {
552 struct psi_func_redir *redir;
553
554 if (!strcmp(func->var->name, "dlsym")) {
555 data->error(data, func->token, PSI_WARNING, "Cannot dlsym dlsym (sic!)");
556 return 0;
557 }
558
559 for (redir = &psi_func_redirs[0]; redir->name; ++redir) {
560 if (!strcmp(func->var->name, redir->name)) {
561 decl->call.sym = redir->func;
562 }
563 }
564 if (!decl->call.sym) {
565 #ifndef RTLD_NEXT
566 # define RTLD_NEXT ((void *) -1l)
567 #endif
568 decl->call.sym = dlsym(dl ?: RTLD_NEXT, func->var->name);
569 if (!decl->call.sym) {
570 data->error(data, func->token, PSI_WARNING,
571 "Failed to locate symbol '%s': %s",
572 func->var->name, dlerror() ?: "not found");
573 }
574 }
575 return 1;
576 }
577 static inline int validate_decl_nodl(struct psi_data *data, decl *decl) {
578 if (!validate_decl_abi(data, decl->abi)) {
579 data->error(data, decl->abi->token, PSI_WARNING,
580 "Invalid calling convention: '%s'", decl->abi->token->text);
581 return 0;
582 }
583 if (!validate_decl_arg(data, decl->func)) {
584 return 0;
585 }
586 if (decl->args) {
587 size_t i;
588
589 for (i = 0; i < decl->args->count; ++i) {
590 if (!validate_decl_arg(data, decl->args->args[i])) {
591 return 0;
592 }
593 }
594 }
595 return 1;
596 }
597 static inline int validate_decl(struct psi_data *data, void *dl, decl *decl) {
598 if (!validate_decl_nodl(data, decl)) {
599 return 0;
600 }
601 if (!validate_decl_func(data, dl, decl, decl->func)) {
602 return 0;
603 }
604 return 1;
605 }
606 static inline decl_arg *locate_decl_arg(decl_args *args, const char *name) {
607 size_t i;
608
609 if (args) for (i = 0; i < args->count; ++i) {
610 decl_arg *arg = args->args[i];
611
612 if (!strcmp(name, arg->var->name)) {
613 return arg;
614 }
615 }
616
617 return NULL;
618 }
619 static inline decl_arg *locate_decl_var_arg(decl_var *var, decl_args *args, decl_arg *func) {
620 decl_arg *arg = locate_decl_arg(args, var->name);
621
622 if (arg) {
623 ZEND_ASSERT(!var->arg || var->arg == arg);
624 return var->arg = arg;
625 }
626
627 if (func && !strcmp(var->name, func->var->name)) {
628 return var->arg = func;
629 }
630
631 return NULL;
632 }
633 static inline decl_arg *locate_struct_member(decl_struct *s, decl_var *var) {
634 if (s->args) {
635 return locate_decl_var_arg(var, s->args, NULL);
636 }
637
638 return NULL;
639 }
640 static inline constant *locate_num_exp_constant(num_exp *exp, constants *consts) {
641 size_t i;
642
643 for (i = 0; i < consts->count; ++i) {
644 constant *cnst = consts->list[i];
645
646 if (!strcmp(cnst->name, exp->u.numb)) {
647 free(exp->u.numb);
648 return exp->u.cnst = cnst;
649 }
650 }
651
652 return NULL;
653 }
654 static inline decl_enum_item *locate_num_exp_enum_item_ex(num_exp *exp, decl_enum *e) {
655 size_t k;
656
657 if (e) for (k = 0; k < e->items->count; ++k) {
658 decl_enum_item *i = e->items->list[k];
659
660 if (!strcmp(i->name, exp->u.dvar->name)) {
661 free_decl_var(exp->u.dvar);
662 exp->t = PSI_T_ENUM;
663 exp->u.enm = i;
664 return i;
665 }
666 }
667 return NULL;
668 }
669 static inline decl_enum_item *locate_num_exp_enum_item(num_exp *exp, decl_enums *enums) {
670 size_t j;
671
672 if (enums) for (j = 0; j < enums->count; ++j) {
673 decl_enum *e = enums->list[j];
674 decl_enum_item *i = locate_num_exp_enum_item_ex(exp, e);
675
676 if (i) {
677 return i;
678 }
679 }
680 return NULL;
681 }
682 static inline int validate_num_exp(struct psi_data *data, num_exp *exp, decl_args *dargs, decl_arg *func, decl_enum *enm) {
683 if (exp->operand) {
684 switch (exp->operator) {
685 case PSI_T_PLUS:
686 exp->calculator = psi_calc_add;
687 break;
688 case PSI_T_MINUS:
689 exp->calculator = psi_calc_sub;
690 break;
691 case PSI_T_ASTERISK:
692 exp->calculator = psi_calc_mul;
693 break;
694 case PSI_T_SLASH:
695 exp->calculator = psi_calc_div;
696 break;
697 EMPTY_SWITCH_DEFAULT_CASE();
698 }
699 if (!validate_num_exp(data, exp->operand, dargs, func, enm)) {
700 return 0;
701 }
702 }
703 switch (exp->t) {
704 case PSI_T_NAME:
705 if (!locate_decl_var_arg(exp->u.dvar, dargs, func)) {
706 if (!locate_num_exp_enum_item(exp, data->enums) && !locate_num_exp_enum_item_ex(exp, enm)) {
707 data->error(data, exp->token, PSI_WARNING, "Unknown variable '%s' in numeric expression",
708 exp->u.dvar->name);
709 return 0;
710 }
711 }
712 return 1;
713 case PSI_T_NSNAME:
714 if (!locate_num_exp_constant(exp, data->consts)) {
715 data->error(data, exp->token, PSI_WARNING, "Unknown constant '%s' in numeric expression",
716 exp->u.numb);
717 return 0;
718 }
719 return 1;
720 case PSI_T_NUMBER:
721 case PSI_T_ENUM:
722 return 1;
723 default:
724 return 0;
725 }
726 }
727
728 static inline int validate_decl_enum(struct psi_data *data, decl_enum *e) {
729 size_t j;
730
731 if (!e->items || !e->items->count) {
732 data->error(data, e->token, PSI_WARNING, "Empty enum '%s'", e->name);
733 return 0;
734 }
735
736 for (j = 0; j < e->items->count; ++j) {
737 decl_enum_item *i = e->items->list[j];
738
739 if (!i->num) {
740 if (j) {
741 i->inc.t = PSI_T_NUMBER;
742 i->inc.u.numb = "1";
743 i->inc.operator = PSI_T_PLUS;
744 i->inc.operand = i->prev->num ?: &i->prev->inc;
745 i->num = &i->inc;
746 } else {
747 i->inc.t = PSI_T_NUMBER;
748 i->inc.u.numb = "0";
749 i->num = &i->inc;
750 }
751 }
752 if (!validate_num_exp(data, i->num, NULL, NULL, e)) {
753 return 0;
754 }
755 }
756
757 return 1;
758 }
759
760 static inline int validate_set_value_handler(set_value *set) {
761 switch (set->func->type) {
762 case PSI_T_TO_BOOL: set->func->handler = psi_to_bool; break;
763 case PSI_T_TO_INT: set->func->handler = psi_to_int; break;
764 case PSI_T_TO_FLOAT: set->func->handler = psi_to_double; break;
765 case PSI_T_TO_STRING: set->func->handler = psi_to_string; break;
766 case PSI_T_TO_ARRAY: set->func->handler = psi_to_array; break;
767 case PSI_T_TO_OBJECT: set->func->handler = psi_to_object; break;
768 case PSI_T_VOID: set->func->handler = psi_to_void; break;
769 case PSI_T_ZVAL: set->func->handler = psi_to_zval; break;
770 case PSI_T_ELLIPSIS:
771 if (set->outer.set && set->outer.set->func->type == PSI_T_TO_ARRAY) {
772 set->func->handler = psi_to_recursive;
773 set->inner = set->outer.set->inner;
774 break;
775 }
776 /* no break */
777 default:
778 return 0;
779 }
780 return 1;
781 }
782 static inline void decl_var_arg_v(decl_args *args, va_list argp) {
783 int argc;
784 decl_arg **argv;
785
786 memset(args, 0, sizeof(*args));
787
788 while ((argc = va_arg(argp, int))) {
789 argv = va_arg(argp, decl_arg **);
790 while (argc--) {
791 add_decl_arg(args, *argv++);
792 }
793 }
794 }
795 static inline int validate_set_value_ex(struct psi_data *data, set_value *set, decl_arg *ref, decl_args *ref_list) {
796 size_t i;
797 decl_type *ref_type;
798 decl_var *set_var = set->vars->vars[0];
799
800 if (!validate_set_value_handler(set)) {
801 data->error(data, set->func->token, PSI_WARNING, "Invalid cast '%s' in `set` statement", set->func->name);
802 return 0;
803 }
804
805 for (i = 0; i < set->vars->count; ++i) {
806 decl_var *svar = set->vars->vars[i];
807 if (!svar->arg && !locate_decl_var_arg(svar, ref_list, NULL)) {
808 data->error(data, svar->token, PSI_WARNING, "Unknown variable '%s' in `set` statement", svar->name);
809 return 0;
810 }
811 }
812
813 if (!ref) {
814 ref = set_var->arg;
815 }
816 ref_type = real_decl_type(ref->type);
817
818 if (set->inner && set->inner->count) {
819 int is_to_array = (set->func->type == PSI_T_TO_ARRAY);
820 int is_pointer_to_struct = (ref_type->type == PSI_T_STRUCT && ref->var->pointer_level);
821
822 if (!is_to_array && !is_pointer_to_struct) {
823 data->error(data, set->func->token, E_WARNING, "Inner `set` statement casts only work with "
824 "to_array() casts on structs or pointers: %s(%s...", set->func->name, set->vars->vars[0]->name);
825 return 0;
826 }
827 }
828 if (set->num) {
829 if (!validate_num_exp(data, set->num, ref_list, ref, NULL)) {
830 return 0;
831 }
832 }
833
834 if (set->inner && ref_type->type == PSI_T_STRUCT) {
835 /* to_array(struct, to_...) */
836 if (!set->outer.set || set->outer.set->inner->vals != set->inner->vals) {
837 for (i = 0; i < set->inner->count; ++i) {
838 decl_var *sub_var = set->inner->vals[i]->vars->vars[0];
839 decl_arg *sub_ref = locate_struct_member(ref_type->real.strct, sub_var);
840
841 if (sub_ref) {
842 if (!validate_set_value_ex(data, set->inner->vals[i], sub_ref, ref_type->real.strct->args)) {
843 return 0;
844 }
845 }
846 }
847 }
848 } else if (set->inner && set->inner->count == 1) {
849 /* to_array(ptr, to_string(*ptr)) */
850 decl_var *sub_var = set->inner->vals[0]->vars->vars[0];
851 decl_arg *sub_ref = locate_decl_var_arg(sub_var, ref_list, ref);
852
853 if (sub_ref) {
854 if (strcmp(sub_var->name, set_var->name)) {
855 data->error(data, sub_var->token, E_WARNING, "Inner `set` statement casts on pointers must reference the same variable");
856 return 0;
857 }
858 if (!validate_set_value_ex(data, set->inner->vals[0], sub_ref, ref_list)) {
859 return 0;
860 }
861 }
862 } else if (set->inner && set->inner->count > 1) {
863 data->error(data, set->func->token, E_WARNING, "Inner `set` statement casts on pointers may only occur once");
864 return 0;
865 }
866
867 return 1;
868 }
869 static inline int validate_set_value(struct psi_data *data, set_value *set, ...) {
870 va_list argp;
871 decl_args args = {0};
872 int check;
873
874 va_start(argp, set);
875 decl_var_arg_v(&args, argp);
876 va_end(argp);
877
878 check = validate_set_value_ex(data, set, NULL, &args);
879 if (args.args) {
880 free(args.args);
881 }
882 return check;
883 }
884 static inline decl *locate_impl_decl(decls *decls, return_stmt *ret) {
885 if (decls) {
886 size_t i;
887
888 for (i = 0; i < decls->count; ++i) {
889 if (!strcmp(decls->list[i]->func->var->name, ret->set->vars->vars[0]->name)) {
890 ret->decl = decls->list[i]->func;
891 return decls->list[i];
892 }
893 }
894 }
895
896 return NULL;
897 }
898 static inline int validate_impl_ret_stmt(struct psi_data *data, impl *impl) {
899 return_stmt *ret;
900
901 /* we must have exactly one ret stmt delcaring the native func to call */
902 /* and which type cast to apply */
903 if (impl->stmts->ret.count != 1) {
904 if (impl->stmts->ret.count > 1) {
905 data->error(data, impl->stmts->ret.list[1]->token, PSI_WARNING,
906 "Too many `return` statements for implmentation %s;"
907 " found %zu, exactly one is needed",
908 impl->func->name, impl->stmts->ret.count);
909 } else {
910 data->error(data, impl->func->token, PSI_WARNING,
911 "Missing `return` statement for implementation %s",
912 impl->func->name);
913 }
914 return 0;
915 }
916
917 ret = impl->stmts->ret.list[0];
918
919 if (!(impl->decl = locate_impl_decl(data->decls, ret))) {
920 data->error(data, ret->token, PSI_WARNING,
921 "Missing declaration '%s' for `return` statment for implementation %s",
922 ret->set->vars->vars[0]->name, impl->func->name);
923 return 0;
924 }
925
926 if (!validate_set_value(data, ret->set, 1, &ret->decl, impl->decl->args ? (int) impl->decl->args->count : 0, impl->decl->args ? impl->decl->args->args : NULL, 0)) {
927 return 0;
928 }
929
930 //impl->decl->impl = impl;
931
932 return 1;
933 }
934
935 static inline impl_arg *locate_impl_var_arg(impl_var *var, impl_args *args) {
936 size_t i;
937
938 for (i = 0; i < args->count; ++i) {
939 impl_arg *iarg = args->args[i];
940
941 if (!strcmp(var->name, iarg->var->name)) {
942 return var->arg = iarg;
943 }
944 }
945
946 return NULL;
947 }
948
949 static inline int validate_let_val(struct psi_data *data, let_val *val, decl_var *let_var, impl *impl);
950
951 static inline const char *locate_let_val_varname(let_val *val) {
952 if (val) {
953 switch (val->kind) {
954 case PSI_LET_CALLBACK:
955 return &val->data.callback->func->var->name[1];
956 case PSI_LET_FUNC:
957 return &val->data.func->var->name[1];
958 default:
959 break;
960 }
961 }
962 return NULL;
963 }
964
965 static inline int validate_let_func(struct psi_data *data, let_func *func, decl_var *let_var, impl *impl) {
966 if (func->outer) {
967 decl_type *var_typ = real_decl_type(let_var->arg->type);
968
969 switch (var_typ->type) {
970 case PSI_T_STRUCT:
971 func->ref = locate_decl_arg(var_typ->real.strct->args, &func->var->name[1]);
972 break;
973 case PSI_T_UNION:
974 func->ref = locate_decl_arg(var_typ->real.unn->args, &func->var->name[1]);
975 break;
976 default:
977 data->error(data, let_var->token, PSI_WARNING,
978 "Inner let statement's values must refer to a structure type, got '%s' for '%s'",
979 real_decl_type(let_var->arg->type)->name, let_var->name);
980 return 0;
981 }
982 }
983 if (impl->func->args) {
984 locate_impl_var_arg(func->var, impl->func->args);
985 }
986 if (!func->var->arg && !func->ref) {
987 data->error(data, func->var->token, PSI_WARNING,
988 "Unknown variable '$%s' of `let` statement"
989 " for cast '%s' of implementation '%s'",
990 func->var->name, func->name, impl->func->name);
991 return 0;
992 }
993 switch (func->type) {
994 case PSI_T_BOOLVAL: func->handler = psi_let_boolval; break;
995 case PSI_T_INTVAL: func->handler = psi_let_intval; break;
996 case PSI_T_FLOATVAL: func->handler = psi_let_floatval; break;
997 case PSI_T_STRVAL: func->handler = psi_let_strval; break;
998 case PSI_T_STRLEN: func->handler = psi_let_strlen; break;
999 case PSI_T_PATHVAL: func->handler = psi_let_pathval; break;
1000 case PSI_T_ARRVAL: func->handler = psi_let_arrval; break;
1001 case PSI_T_OBJVAL: func->handler = psi_let_objval; break;
1002 case PSI_T_ZVAL: func->handler = psi_let_zval; break;
1003 case PSI_T_VOID: func->handler = psi_let_void; break;
1004 EMPTY_SWITCH_DEFAULT_CASE();
1005 }
1006
1007 if (func->inner && func->ref) {
1008 size_t i;
1009 decl_type *var_typ = real_decl_type(let_var->arg->type);
1010
1011 switch (var_typ->type) {
1012 case PSI_T_STRUCT:
1013 case PSI_T_UNION:
1014 break;
1015 default:
1016 data->error(data, let_var->token, PSI_WARNING,
1017 "Inner let statement's values must refer to a structure type, got '%s' for '%s'",
1018 real_decl_type(let_var->arg->type)->name, let_var->name);
1019 return 0;
1020 }
1021
1022 for (i = 0; i < func->inner->count; ++i) {
1023 let_val *inner = func->inner->vals[i];
1024 let_val *outer = func->outer;
1025 const char *name = locate_let_val_varname(inner);
1026 decl_arg *sub_arg;
1027
1028 if (name) {
1029 sub_arg = locate_decl_arg(var_typ->real.strct->args, name);
1030 }
1031 if (!name || !sub_arg) {
1032 data->error(data, let_var->token, PSI_WARNING,
1033 "Unknown variable '%s' of '%s'",
1034 name,
1035 var_typ->real.strct->name);
1036 return 0;
1037 }
1038 if (!validate_let_val(data, inner, sub_arg->var, impl)) {
1039 return 0;
1040 }
1041 }
1042 }
1043 return 1;
1044 }
1045
1046 static inline int validate_let_callback(struct psi_data *data, decl_var *cb_var, let_callback *cb, impl *impl) {
1047 size_t i;
1048 decl *cb_func;
1049 decl_type *cb_type = real_decl_type(cb_var->arg->type);
1050
1051 if (!validate_let_func(data, cb->func, cb_var, impl)) {
1052 return 0;
1053 }
1054
1055 if (cb_type->type != PSI_T_FUNCTION) {
1056 data->error(data, cb_var->token, PSI_WARNING, "Not a function: %s", cb_var->name);
1057 return 0;
1058 }
1059 cb_func = cb_type->real.func;
1060 for (i = 0; i < cb->args->count; ++i) {
1061 if (!validate_set_value(data, cb->args->vals[i], cb_func->args->count, cb_func->args->args, 0)) {
1062 return 0;
1063 }
1064 }
1065
1066 if (!validate_decl_nodl(data, cb_func)) {
1067 return 0;
1068 }
1069
1070 cb->decl = cb_func;
1071
1072 return 1;
1073 }
1074
1075 static inline int validate_let_val(struct psi_data *data, let_val *val, decl_var *let_var, impl *impl) {
1076
1077 switch (val->kind) {
1078 case PSI_LET_NULL:
1079 break;
1080 case PSI_LET_TMP:
1081 if (!let_var) {
1082 data->error(data, NULL, PSI_WARNING,
1083 "Ivalid let statement value of implementation '%s'",
1084 impl->func->name);
1085 return 0;
1086 }
1087 /* e.g. let bar = &strval($bar); // decl_arg(char **bar) */
1088 /* e.g. let foo = *bar; */
1089 let_var->pointer_level = val->data.var->pointer_level;
1090 let_var->arg = init_decl_arg(
1091 init_decl_type(
1092 real_decl_type(val->data.var->arg->type)->type,
1093 real_decl_type(val->data.var->arg->type)->name),
1094 init_decl_var(
1095 let_var->name,
1096 let_var->pointer_level,
1097 let_var->array_size));
1098 break;
1099 case PSI_LET_NUMEXP:
1100 if (!validate_num_exp(data, val->data.num, impl->decl->args, impl->decl->func, NULL)) {
1101 return 0;
1102 }
1103 break;
1104 case PSI_LET_CALLOC:
1105 if (!validate_num_exp(data, val->data.alloc->nmemb, impl->decl->args, impl->decl->func, NULL)) {
1106 return 0;
1107 }
1108 if (!validate_num_exp(data, val->data.alloc->size, impl->decl->args, impl->decl->func, NULL)) {
1109 return 0;
1110 }
1111 break;
1112 case PSI_LET_CALLBACK:
1113 if (!let_var) {
1114 data->error(data, NULL, PSI_WARNING,
1115 "Ivalid let statement value of implementation '%s'",
1116 impl->func->name);
1117 return 0;
1118 }
1119 if (val->data.callback->func->inner) {
1120 size_t i;
1121
1122 for (i = 0; i < val->data.callback->func->inner->count; ++i) {
1123 let_val *inner = val->data.callback->func->inner->vals[i];
1124 switch (inner->kind) {
1125 case PSI_LET_FUNC:
1126 inner->data.func->outer = val;
1127 break;
1128 case PSI_LET_CALLBACK:
1129 inner->data.callback->func->outer = val;
1130 break;
1131 }
1132 }
1133 }
1134 if (!validate_let_callback(data, let_var, val->data.callback, impl)) {
1135 return 0;
1136 }
1137 break;
1138 case PSI_LET_FUNC:
1139 if (val->data.func->inner) {
1140 size_t i;
1141
1142 for (i = 0; i < val->data.func->inner->count; ++i) {
1143 let_val *inner = val->data.func->inner->vals[i];
1144 switch (inner->kind) {
1145 case PSI_LET_FUNC:
1146 inner->data.func->outer = val;
1147 break;
1148 case PSI_LET_CALLBACK:
1149 inner->data.callback->func->outer = val;
1150 break;
1151 }
1152 }
1153 }
1154
1155 if (!validate_let_func(data, val->data.func, let_var, impl)) {
1156 return 0;
1157 }
1158 break;
1159 }
1160
1161 return 1;
1162 }
1163
1164 static inline int validate_impl_let_stmts(struct psi_data *data, impl *impl) {
1165 size_t i, j;
1166 /* we can have multiple let stmts */
1167
1168 /* check that we have a decl arg for every let stmt */
1169 for (i = 0; i < impl->stmts->let.count; ++i) {
1170 let_stmt *let = impl->stmts->let.list[i];
1171 decl_var *let_var;
1172
1173 if (let->val && let->val->kind == PSI_LET_TMP) {
1174 let_var = let->val->data.var;
1175 } else {
1176 let_var = let->var;
1177 }
1178
1179 if (!locate_decl_var_arg(let_var, impl->decl->args, impl->decl->func)) {
1180 data->error(data, let_var->token, PSI_WARNING, "Unknown variable '%s' in `let` statement"
1181 " of implementation '%s'", let_var->name, impl->func->name);
1182 return 0;
1183 }
1184
1185 if (!validate_let_val(data, let->val, let->var, impl)) {
1186 return 0;
1187 }
1188 }
1189 /* check that we have a let stmt for every decl arg */
1190 if (impl->decl->args) for (i = 0; i < impl->decl->args->count; ++i) {
1191 decl_arg *darg = impl->decl->args->args[i];
1192 int check = 0;
1193
1194 for (j = 0; j < impl->stmts->let.count; ++j) {
1195 let_stmt *let = impl->stmts->let.list[j];
1196
1197 if (!strcmp(let->var->name, darg->var->name)) {
1198 check = 1;
1199 break;
1200 }
1201 }
1202 if (!check) {
1203 data->error(data, impl->func->token, PSI_WARNING,
1204 "Missing `let` statement for arg '%s %.*s%s'"
1205 " of declaration '%s' for implementation '%s'",
1206 darg->type->name, (int) darg->var->pointer_level, "*****",
1207 darg->var->name, impl->decl->func->var->name, impl->func->name);
1208 return 0;
1209 }
1210 }
1211
1212 return 1;
1213 }
1214 static inline int validate_impl_set_stmts(struct psi_data *data, impl *impl) {
1215 size_t i, j, k;
1216 /* we can have any count of set stmts; processing out vars */
1217 /* check that set stmts reference known variables */
1218 for (i = 0; i < impl->stmts->set.count; ++i) {
1219 set_stmt *set = impl->stmts->set.list[i];
1220 int check = 0;
1221
1222 if (impl->func->args) for (j = 0; j < impl->func->args->count; ++j) {
1223 impl_arg *iarg = impl->func->args->args[j];
1224
1225 if (!strcmp(set->var->name, iarg->var->name)) {
1226 set->arg = iarg;
1227 check = 1;
1228 break;
1229 }
1230 }
1231 if (!check) {
1232 data->error(data, set->var->token, PSI_WARNING, "Unknown variable '$%s' of `set` statement"
1233 " of implementation '%s'",
1234 set->var->name, impl->func->name);
1235 return 0;
1236 }
1237
1238 for (j = 0; j < set->val->vars->count; ++j) {
1239 decl_var *set_var = set->val->vars->vars[j];
1240
1241 check = 0;
1242 if (impl->decl->args) {
1243 for (k = 0; k < impl->decl->args->count; ++k) {
1244 decl_arg *set_arg = impl->decl->args->args[k];
1245
1246 if (!strcmp(set_var->name, set_arg->var->name)) {
1247 check = 1;
1248 set_var->arg = set_arg;
1249 if (!validate_set_value(data, set->val, 1, &set_arg, 1, &impl->decl->func, impl->decl->args->count, impl->decl->args->args, 0)) {
1250 return 0;
1251 }
1252 break;
1253 }
1254 }
1255 }
1256 if (!check) {
1257 for (k = 0; k < impl->stmts->let.count; ++k) {
1258 let_stmt *let = impl->stmts->let.list[k];
1259
1260 /* check temp vars */
1261 if (let->val && let->val->kind == PSI_LET_TMP) {
1262 if (!strcmp(set_var->name, let->var->name)) {
1263 check = 1;
1264 set_var->arg = let->var->arg;
1265 if (!validate_set_value(data, set->val, 1, &set_var->arg, 1, &impl->decl->func, impl->decl->args->count, impl->decl->args->args, 0)) {
1266 return 0;
1267 }
1268 break;
1269 }
1270 }
1271 }
1272 }
1273
1274 if (!check) {
1275 data->error(data, set_var->token, PSI_WARNING, "Unknown value '%s' of `set` statement"
1276 " for variable '$%s' of implementation '%s'",
1277 set_var->name, set->arg->var->name, impl->func->name);
1278 return 0;
1279 }
1280 }
1281 }
1282 return 1;
1283 }
1284 static inline decl *locate_free_decl(decls *decls, free_call *f) {
1285 if (decls) {
1286 size_t i;
1287
1288 for (i = 0; i < decls->count; ++i) {
1289 if (!strcmp(decls->list[i]->func->var->name, f->func)) {
1290 f->decl = decls->list[i];
1291 return decls->list[i];
1292 }
1293 }
1294 }
1295
1296 return NULL;
1297 }
1298 static inline int validate_impl_free_stmts(struct psi_data *data, impl *impl) {
1299 size_t i, j, k, l;
1300 /* we can have any count of free stmts; freeing any out vars */
1301 for (i = 0; i < impl->stmts->fre.count; ++i) {
1302 free_stmt *fre = impl->stmts->fre.list[i];
1303
1304 for (j = 0; j < fre->calls->count; ++j) {
1305 free_call *free_call = fre->calls->list[j];
1306
1307 /* first find the decl of the free func */
1308 if (!locate_free_decl(data->decls, free_call)) {
1309 data->error(data, free_call->token, PSI_WARNING,
1310 "Missing declaration '%s' in `free` statement"
1311 " of implementation '%s'",
1312 free_call->func, impl->func->name);
1313 return 0;
1314 }
1315
1316
1317
1318 /* now check for known vars */
1319 for (l = 0; l < free_call->vars->count; ++l) {
1320 int check = 0;
1321 decl_var *free_var = free_call->vars->vars[l];
1322
1323 if (!strcmp(free_var->name, impl->decl->func->var->name)) {
1324 check = 1;
1325 free_var->arg = impl->decl->func;
1326 } else if (impl->decl->args) {
1327 for (k = 0; k < impl->decl->args->count; ++k) {
1328 decl_arg *free_arg = impl->decl->args->args[k];
1329
1330 if (!strcmp(free_var->name, free_arg->var->name)) {
1331 check = 1;
1332 free_var->arg = free_arg;
1333 break;
1334 }
1335 }
1336 }
1337
1338 if (!check) {
1339 data->error(data, free_var->token, PSI_WARNING,
1340 "Unknown variable '%s' of `free` statement"
1341 " of implementation '%s'",
1342 free_var->name, impl->func->name);
1343 return 0;
1344 }
1345 }
1346 }
1347 }
1348 return 1;
1349 }
1350 static inline int validate_impl_stmts(struct psi_data *data, impl *impl) {
1351 if (!impl->stmts) {
1352 data->error(data, impl->func->token, PSI_WARNING,
1353 "Missing body for implementation %s!",
1354 impl->func->name);
1355 return 0;
1356 }
1357
1358 if (!validate_impl_ret_stmt(data, impl)) {
1359 return 0;
1360 }
1361
1362 if (!validate_impl_let_stmts(data, impl)) {
1363 return 0;
1364 }
1365 if (!validate_impl_set_stmts(data, impl)) {
1366 return 0;
1367 }
1368 if (!validate_impl_free_stmts(data, impl)) {
1369 return 0;
1370 }
1371
1372 return 1;
1373 }
1374
1375 static inline int validate_impl_args(struct psi_data *data, impl *impl) {
1376 int def = 0;
1377 size_t i;
1378
1379 for (i = 0; i < impl->func->args->count; ++i) {
1380 impl_arg *iarg = impl->func->args->args[i];
1381
1382 if (iarg->def) {
1383 def = 1;
1384 } else if (def) {
1385 data->error(data, impl->func->token, PSI_WARNING,
1386 "Non-optional argument %zu '$%s' of implementation '%s'"
1387 " follows optional argument",
1388 i+1, iarg->var->name, impl->func->name);
1389 return 0;
1390 }
1391 }
1392
1393 return 1;
1394 }
1395
1396 static inline int validate_impl(struct psi_data *data, impl *impl) {
1397 if (!validate_impl_args(data, impl)) {
1398 return 0;
1399 }
1400 return validate_impl_stmts(data, impl);
1401 }
1402
1403
1404 int psi_context_validate(struct psi_context *C, struct psi_parser *P)
1405 {
1406 struct psi_data *D;
1407 void *dlopened = NULL;
1408 size_t i, count = C->count++, check_round, check_count;
1409 decl_typedefs *check_defs = P->defs;
1410 decl_structs *check_structs = P->structs;
1411 decl_unions *check_unions = P->unions;
1412 decl_enums *check_enums = P->enums;
1413 unsigned flags = C->flags;
1414
1415 C->data = realloc(C->data, C->count * sizeof(*C->data));
1416 D = psi_data_exchange(&C->data[count], PSI_DATA(P));
1417
1418 #define REVALIDATE(what) do { \
1419 if (check_round && check_ ##what) { \
1420 free(check_ ##what->list); \
1421 free(check_ ##what); \
1422 } \
1423 check_ ##what = recheck_ ##what; \
1424 } while (0)
1425 #define CHECK_TOTAL (CHECK_COUNT(defs) + CHECK_COUNT(structs) + CHECK_COUNT(enums))
1426 #define CHECK_COUNT(of) (check_ ##of ? check_ ##of->count : 0)
1427
1428 if (!(flags & PSI_PARSER_SILENT)) {
1429 /* no warnings on first round */
1430 C->flags |= PSI_PARSER_SILENT;
1431 }
1432 for (check_round = 0, check_count = 0; CHECK_TOTAL && check_count != CHECK_TOTAL; ++check_round) {
1433 decl_typedefs *recheck_defs = NULL;
1434 decl_structs *recheck_structs = NULL;
1435 decl_unions *recheck_unions = NULL;
1436 decl_enums *recheck_enums = NULL;
1437
1438 check_count = CHECK_TOTAL;
1439
1440 for (i = 0; i < CHECK_COUNT(defs); ++i) {
1441 if (validate_decl_typedef(PSI_DATA(C), check_defs->list[i])) {
1442 C->defs = add_decl_typedef(C->defs, check_defs->list[i]);
1443 } else {
1444 recheck_defs = add_decl_typedef(recheck_defs, check_defs->list[i]);
1445 }
1446 }
1447 for (i = 0; i < CHECK_COUNT(structs); ++i) {
1448 if (validate_decl_struct(PSI_DATA(C), check_structs->list[i])) {
1449 C->structs = add_decl_struct(C->structs, check_structs->list[i]);
1450 } else {
1451 recheck_structs = add_decl_struct(recheck_structs, check_structs->list[i]);
1452 }
1453 }
1454 for (i = 0; i < CHECK_COUNT(unions); ++i) {
1455 if (validate_decl_union(PSI_DATA(C), check_unions->list[i])) {
1456 C->unions = add_decl_union(C->unions, check_unions->list[i]);
1457 } else {
1458 recheck_unions = add_decl_union(recheck_unions, check_unions->list[i]);
1459 }
1460 }
1461 for (i = 0; i < CHECK_COUNT(enums); ++i) {
1462 if (validate_decl_enum(PSI_DATA(C), check_enums->list[i])) {
1463 C->enums = add_decl_enum(C->enums, check_enums->list[i]);
1464 } else {
1465 recheck_enums = add_decl_enum(recheck_enums, check_enums->list[i]);
1466 }
1467 }
1468
1469 REVALIDATE(defs);
1470 REVALIDATE(structs);
1471 REVALIDATE(unions);
1472 REVALIDATE(enums);
1473
1474 if (check_round == 0 && !(flags & PSI_PARSER_SILENT)) {
1475 C->flags ^= PSI_PARSER_SILENT;
1476 }
1477 }
1478
1479 C->flags = flags;
1480
1481 if (D->consts) {
1482 for (i = 0; i < D->consts->count; ++i) {
1483 if (validate_constant(PSI_DATA(C), D->consts->list[i])) {
1484 C->consts = add_constant(C->consts, D->consts->list[i]);
1485 }
1486 }
1487 }
1488
1489 if (!validate_lib(D, &dlopened)) {
1490 return 0;
1491 }
1492
1493 add_decl_lib(&C->psi.libs, dlopened);
1494
1495 if (D->decls) {
1496 for (i = 0; i < D->decls->count; ++i) {
1497 if (validate_decl(PSI_DATA(C), dlopened, D->decls->list[i])) {
1498 C->decls = add_decl(C->decls, D->decls->list[i]);
1499 }
1500 }
1501 }
1502 if (D->impls) {
1503 for (i = 0; i < D->impls->count; ++i) {
1504 if (validate_impl(PSI_DATA(C), D->impls->list[i])) {
1505 C->impls = add_impl(C->impls, D->impls->list[i]);
1506 }
1507 }
1508 }
1509
1510 return 1;
1511 }
1512
1513 int psi_context_validate_data(struct psi_data *dest, struct psi_data *source)
1514 {
1515 size_t i;
1516 int errors = 0;
1517
1518 if (source->defs) for (i = 0; i < source->defs->count; ++i) {
1519 decl_arg *def = source->defs->list[i];
1520
1521 if (validate_decl_typedef(source, def)) {
1522 if (dest) {
1523 dest->defs = add_decl_typedef(dest->defs, def);
1524 }
1525 } else {
1526 ++errors;
1527 }
1528 }
1529
1530 if (source->consts) for (i = 0; i < source->consts->count; ++i) {
1531 constant *constant = source->consts->list[i];
1532
1533 if (validate_constant(source, constant)) {
1534 if (dest) {
1535 dest->consts = add_constant(dest->consts, constant);
1536 }
1537 } else {
1538 ++errors;
1539 }
1540 }
1541
1542 if (source->structs) for (i = 0; i < source->structs->count; ++i) {
1543 decl_struct *dstruct = source->structs->list[i];
1544
1545 if (validate_decl_struct(source, dstruct)) {
1546 if (dest) {
1547 dest->structs = add_decl_struct(dest->structs, dstruct);
1548 }
1549 } else {
1550 ++errors;
1551 }
1552 }
1553
1554 if (source->unions) for (i = 0; i < source->unions->count; ++i) {
1555 decl_union *dunion = source->unions->list[i];
1556
1557 if (validate_decl_union(source, dunion)) {
1558 if (dest) {
1559 dest->unions = add_decl_union(dest->unions, dunion);
1560 }
1561 } else {
1562 ++errors;
1563 }
1564 }
1565
1566 if (source->enums) for (i = 0; i < source->enums->count; ++i) {
1567 decl_enum *denum = source->enums->list[i];
1568
1569 if (validate_decl_enum(source, denum)) {
1570 if (dest) {
1571 dest->enums = add_decl_enum(dest->enums, denum);
1572 }
1573 } else {
1574 ++errors;
1575 }
1576 }
1577
1578 if (source->decls) for (i = 0; i < source->decls->count; ++i) {
1579 decl *decl = source->decls->list[i];
1580
1581 if (validate_decl(source, NULL, decl)) {
1582 if (dest) {
1583 dest->decls = add_decl(dest->decls, decl);
1584 }
1585 } else {
1586 ++errors;
1587 }
1588 }
1589
1590 if (source->impls) for (i = 0; i < source->impls->count; ++i) {
1591 impl *impl = source->impls->list[i];
1592
1593 if (validate_impl(source, impl)) {
1594 if (dest) {
1595 dest->impls = add_impl(dest->impls, impl);
1596 }
1597 } else {
1598 ++errors;
1599 }
1600 }
1601
1602 return errors;
1603 }
PHP System Interface / POSIX Standard Interface