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ntdll: Add a test for NtNotifyChangeDirectoryFile.
[wine/multimedia.git] / tools / widl / header.c
bloba8071b13df531a8a3d442ff4dfd6c940422be90c
1 /*
2 * IDL Compiler
3 *
4 * Copyright 2002 Ove Kaaven
5 *
6 * This library is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser General Public
8 * License as published by the Free Software Foundation; either
9 * version 2.1 of the License, or (at your option) any later version.
10 *
11 * This library is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Lesser General Public License for more details.
15 *
16 * You should have received a copy of the GNU Lesser General Public
17 * License along with this library; if not, write to the Free Software
18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
19 */
20
21 #include "config.h"
22
23 #include <stdio.h>
24 #include <stdlib.h>
25 #ifdef HAVE_UNISTD_H
26 # include <unistd.h>
27 #endif
28 #include <string.h>
29 #include <assert.h>
30 #include <ctype.h>
31 #include <signal.h>
32
33 #include "windef.h"
34 #include "widl.h"
35 #include "utils.h"
36 #include "parser.h"
37 #include "header.h"
38
39 static int indentation = 0;
40
41 static void indent(FILE *h, int delta)
42 {
43 int c;
44 if (delta < 0) indentation += delta;
45 for (c=0; c<indentation; c++) fprintf(h, " ");
46 if (delta > 0) indentation += delta;
47 }
48
49 int is_attr(const attr_t *a, enum attr_type t)
50 {
51 while (a) {
52 if (a->type == t) return 1;
53 a = NEXT_LINK(a);
54 }
55 return 0;
56 }
57
58 void *get_attrp(const attr_t *a, enum attr_type t)
59 {
60 while (a) {
61 if (a->type == t) return a->u.pval;
62 a = NEXT_LINK(a);
63 }
64 return NULL;
65 }
66
67 unsigned long get_attrv(const attr_t *a, enum attr_type t)
68 {
69 while (a) {
70 if (a->type == t) return a->u.ival;
71 a = NEXT_LINK(a);
72 }
73 return 0;
74 }
75
76 int is_void(const type_t *t, const var_t *v)
77 {
78 if (v && v->ptr_level) return 0;
79 if (!t->type && !t->ref) return 1;
80 return 0;
81 }
82
83 static void write_guid(const char *guid_prefix, const char *name, UUID *uuid)
84 {
85 if (!uuid) return;
86 fprintf(header, "DEFINE_GUID(%s_%s, 0x%08lx, 0x%04x, 0x%04x, 0x%02x,0x%02x, 0x%02x,"
87 "0x%02x,0x%02x,0x%02x,0x%02x,0x%02x);\n",
88 guid_prefix, name, uuid->Data1, uuid->Data2, uuid->Data3, uuid->Data4[0],
89 uuid->Data4[1], uuid->Data4[2], uuid->Data4[3], uuid->Data4[4], uuid->Data4[5],
90 uuid->Data4[6], uuid->Data4[7]);
91 }
92
93 static void write_pident(FILE *h, const var_t *v)
94 {
95 int c;
96 for (c=0; c<v->ptr_level; c++) {
97 fprintf(h, "*");
98 }
99 if (v->name) fprintf(h, "%s", v->name);
100 }
101
102 void write_name(FILE *h, const var_t *v)
103 {
104 if (is_attr( v->attrs, ATTR_PROPGET ))
105 fprintf(h, "get_" );
106 else if (is_attr( v->attrs, ATTR_PROPPUT ))
107 fprintf(h, "put_" );
108 else if (is_attr( v->attrs, ATTR_PROPPUTREF ))
109 fprintf(h, "putref_" );
110 fprintf(h, "%s", v->name);
111 }
112
113 const char* get_name(const var_t *v)
114 {
115 return v->name;
116 }
117
118 void write_array(FILE *h, const expr_t *v, int field)
119 {
120 if (!v) return;
121 while (NEXT_LINK(v)) v = NEXT_LINK(v);
122 fprintf(h, "[");
123 while (v) {
124 if (v->is_const)
125 fprintf(h, "%ld", v->cval); /* statically sized array */
126 else
127 if (field) fprintf(h, "1"); /* dynamically sized array */
128 if (PREV_LINK(v))
129 fprintf(h, ", ");
130 v = PREV_LINK(v);
131 }
132 fprintf(h, "]");
133 }
134
135 static void write_field(FILE *h, var_t *v)
136 {
137 if (!v) return;
138 if (v->type) {
139 indent(h, 0);
140 write_type(h, v->type, NULL, v->tname);
141 if (get_name(v)) {
142 fprintf(h, " ");
143 write_pident(h, v);
144 }
145 else {
146 /* not all C/C++ compilers support anonymous structs and unions */
147 switch (v->type->type) {
148 case RPC_FC_STRUCT:
149 case RPC_FC_CVSTRUCT:
150 case RPC_FC_CPSTRUCT:
151 case RPC_FC_CSTRUCT:
152 case RPC_FC_PSTRUCT:
153 case RPC_FC_BOGUS_STRUCT:
154 case RPC_FC_ENCAPSULATED_UNION:
155 fprintf(h, " DUMMYSTRUCTNAME");
156 break;
157 case RPC_FC_NON_ENCAPSULATED_UNION:
158 fprintf(h, " DUMMYUNIONNAME");
159 break;
160 default:
161 /* ? */
162 break;
163 }
164 }
165 write_array(h, v->array, 1);
166 fprintf(h, ";\n");
167 }
168 }
169
170 static void write_fields(FILE *h, var_t *v)
171 {
172 var_t *first = v;
173 if (!v) return;
174 while (NEXT_LINK(v)) v = NEXT_LINK(v);
175 while (v) {
176 write_field(h, v);
177 if (v == first) break;
178 v = PREV_LINK(v);
179 }
180 }
181
182 static void write_enums(FILE *h, var_t *v)
183 {
184 if (!v) return;
185 while (NEXT_LINK(v)) v = NEXT_LINK(v);
186 while (v) {
187 if (get_name(v)) {
188 indent(h, 0);
189 write_name(h, v);
190 if (v->eval) {
191 fprintf(h, " = ");
192 write_expr(h, v->eval, 0);
193 }
194 }
195 if (PREV_LINK(v))
196 fprintf(h, ",\n");
197 v = PREV_LINK(v);
198 }
199 fprintf(h, "\n");
200 }
201
202 void write_type(FILE *h, type_t *t, const var_t *v, const char *n)
203 {
204 int c;
205
206 if (n) fprintf(h, "%s", n);
207 else {
208 if (t->is_const) fprintf(h, "const ");
209 if (t->type) {
210 if (t->sign > 0) fprintf(h, "signed ");
211 else if (t->sign < 0) fprintf(h, "unsigned ");
212 switch (t->type) {
213 case RPC_FC_BYTE:
214 if (t->ref) fprintf(h, t->ref->name);
215 else fprintf(h, "byte");
216 break;
217 case RPC_FC_CHAR:
218 if (t->ref) fprintf(h, t->ref->name);
219 else fprintf(h, "char");
220 break;
221 case RPC_FC_WCHAR:
222 fprintf(h, "WCHAR");
223 break;
224 case RPC_FC_USMALL:
225 case RPC_FC_SMALL:
226 if (t->ref) fprintf(h, t->ref->name);
227 else fprintf(h, "small");
228 break;
229 case RPC_FC_USHORT:
230 case RPC_FC_SHORT:
231 if (t->ref) fprintf(h, t->ref->name);
232 else fprintf(h, "short");
233 break;
234 case RPC_FC_ULONG:
235 case RPC_FC_LONG:
236 if (t->ref) fprintf(h, t->ref->name);
237 else fprintf(h, "long");
238 break;
239 case RPC_FC_HYPER:
240 if (t->ref) fprintf(h, t->ref->name);
241 else fprintf(h, "hyper");
242 break;
243 case RPC_FC_FLOAT:
244 fprintf(h, "float");
245 break;
246 case RPC_FC_DOUBLE:
247 fprintf(h, "double");
248 break;
249 case RPC_FC_ENUM16:
250 case RPC_FC_ENUM32:
251 if (t->defined && !t->written) {
252 if (t->name) fprintf(h, "enum %s {\n", t->name);
253 else fprintf(h, "enum {\n");
254 t->written = TRUE;
255 indentation++;
256 write_enums(h, t->fields);
257 indent(h, -1);
258 fprintf(h, "}");
259 }
260 else fprintf(h, "enum %s", t->name);
261 break;
262 case RPC_FC_ERROR_STATUS_T:
263 if (t->ref) fprintf(h, t->ref->name);
264 else fprintf(h, "error_status_t");
265 break;
266 case RPC_FC_BIND_PRIMITIVE:
267 if (t->ref) fprintf(h, t->ref->name);
268 else fprintf(h, "handle_t");
269 break;
270 case RPC_FC_STRUCT:
271 case RPC_FC_CVSTRUCT:
272 case RPC_FC_CPSTRUCT:
273 case RPC_FC_CSTRUCT:
274 case RPC_FC_PSTRUCT:
275 case RPC_FC_BOGUS_STRUCT:
276 case RPC_FC_ENCAPSULATED_UNION:
277 if (t->defined && !t->written) {
278 if (t->name) fprintf(h, "struct %s {\n", t->name);
279 else fprintf(h, "struct {\n");
280 t->written = TRUE;
281 indentation++;
282 write_fields(h, t->fields);
283 indent(h, -1);
284 fprintf(h, "}");
285 }
286 else fprintf(h, "struct %s", t->name);
287 break;
288 case RPC_FC_NON_ENCAPSULATED_UNION:
289 if (t->defined && !t->written) {
290 if (t->name) fprintf(h, "union %s {\n", t->name);
291 else fprintf(h, "union {\n");
292 t->written = TRUE;
293 indentation++;
294 write_fields(h, t->fields);
295 indent(h, -1);
296 fprintf(h, "}");
297 }
298 else fprintf(h, "union %s", t->name);
299 break;
300 default:
301 fprintf(h, "(unknown-type:%d)", t->type);
302 }
303 }
304 else {
305 if (t->ref) {
306 write_type(h, t->ref, NULL, t->name);
307 }
308 else fprintf(h, "void");
309 }
310 }
311 if (v) {
312 for (c=0; c<v->ptr_level; c++) {
313 fprintf(h, "*");
314 }
315 }
316 }
317
318
319 struct user_type
320 {
321 struct user_type *next;
322 char name[1];
323 };
324
325 static struct user_type *user_type_list;
326
327 static int user_type_registered(const char *name)
328 {
329 struct user_type *ut;
330 for (ut = user_type_list; ut; ut = ut->next)
331 if (!strcmp(name, ut->name))
332 return 1;
333 return 0;
334 }
335
336 static void check_for_user_types(var_t *v)
337 {
338 while (v) {
339 type_t *type = v->type;
340 const char *name = v->tname;
341 for (type = v->type; type; type = type->ref) {
342 if (type->user_types_registered) continue;
343 type->user_types_registered = 1;
344 if (is_attr(type->attrs, ATTR_WIREMARSHAL)) {
345 if (!user_type_registered(name))
346 {
347 struct user_type *ut = xmalloc(sizeof(struct user_type) + strlen(name));
348 strcpy(ut->name, name);
349 ut->next = user_type_list;
350 user_type_list = ut;
351 }
352 /* don't carry on parsing fields within this type as we are already
353 * using a wire marshaled type */
354 break;
355 }
356 else if (type->fields)
357 {
358 var_t *fields = type->fields;
359 while (NEXT_LINK(fields)) fields = NEXT_LINK(fields);
360 check_for_user_types(fields);
361 }
362 /* the wire_marshal attribute is always at least one reference away
363 * from the name of the type, so update it after the rest of the
364 * processing above */
365 if (type->name) name = type->name;
366 }
367 v = PREV_LINK(v);
368 }
369 }
370
371 void write_user_types(void)
372 {
373 struct user_type *ut;
374 for (ut = user_type_list; ut; ut = ut->next)
375 {
376 const char *name = ut->name;
377 fprintf(header, "unsigned long __RPC_USER %s_UserSize (unsigned long *, unsigned long, %s *);\n", name, name);
378 fprintf(header, "unsigned char * __RPC_USER %s_UserMarshal (unsigned long *, unsigned char *, %s *);\n", name, name);
379 fprintf(header, "unsigned char * __RPC_USER %s_UserUnmarshal(unsigned long *, unsigned char *, %s *);\n", name, name);
380 fprintf(header, "void __RPC_USER %s_UserFree (unsigned long *, %s *);\n", name, name);
381 }
382 }
383
384 void write_typedef(type_t *type, const var_t *names)
385 {
386 char *tname = names->tname;
387 const var_t *lname;
388 while (NEXT_LINK(names)) names = NEXT_LINK(names);
389 lname = names;
390 fprintf(header, "typedef ");
391 write_type(header, type, NULL, tname);
392 fprintf(header, " ");
393 while (names) {
394 write_pident(header, names);
395 if (PREV_LINK(names))
396 fprintf(header, ", ");
397 names = PREV_LINK(names);
398 }
399 fprintf(header, ";\n");
400 }
401
402 void write_expr(FILE *h, const expr_t *e, int brackets)
403 {
404 switch (e->type) {
405 case EXPR_VOID:
406 break;
407 case EXPR_NUM:
408 fprintf(h, "%ld", e->u.lval);
409 break;
410 case EXPR_HEXNUM:
411 fprintf(h, "0x%lx", e->u.lval);
412 break;
413 case EXPR_IDENTIFIER:
414 fprintf(h, "%s", e->u.sval);
415 break;
416 case EXPR_NEG:
417 fprintf(h, "-");
418 write_expr(h, e->ref, 1);
419 break;
420 case EXPR_NOT:
421 fprintf(h, "~");
422 write_expr(h, e->ref, 1);
423 break;
424 case EXPR_PPTR:
425 fprintf(h, "*");
426 write_expr(h, e->ref, 1);
427 break;
428 case EXPR_CAST:
429 fprintf(h, "(");
430 write_type(h, e->u.tref->ref, NULL, e->u.tref->name);
431 fprintf(h, ")");
432 write_expr(h, e->ref, 1);
433 break;
434 case EXPR_SIZEOF:
435 fprintf(h, "sizeof(");
436 write_type(h, e->u.tref->ref, NULL, e->u.tref->name);
437 fprintf(h, ")");
438 break;
439 case EXPR_SHL:
440 case EXPR_SHR:
441 case EXPR_MUL:
442 case EXPR_DIV:
443 case EXPR_ADD:
444 case EXPR_SUB:
445 case EXPR_AND:
446 case EXPR_OR:
447 if (brackets) fprintf(h, "(");
448 write_expr(h, e->ref, 1);
449 switch (e->type) {
450 case EXPR_SHL: fprintf(h, " << "); break;
451 case EXPR_SHR: fprintf(h, " >> "); break;
452 case EXPR_MUL: fprintf(h, " * "); break;
453 case EXPR_DIV: fprintf(h, " / "); break;
454 case EXPR_ADD: fprintf(h, " + "); break;
455 case EXPR_SUB: fprintf(h, " - "); break;
456 case EXPR_AND: fprintf(h, " & "); break;
457 case EXPR_OR: fprintf(h, " | "); break;
458 default: break;
459 }
460 write_expr(h, e->u.ext, 1);
461 if (brackets) fprintf(h, ")");
462 break;
463 case EXPR_COND:
464 if (brackets) fprintf(h, "(");
465 write_expr(h, e->ref, 1);
466 fprintf(h, " ? ");
467 write_expr(h, e->u.ext, 1);
468 fprintf(h, " : ");
469 write_expr(h, e->ext2, 1);
470 if (brackets) fprintf(h, ")");
471 break;
472 }
473 }
474
475 void write_constdef(const var_t *v)
476 {
477 fprintf(header, "#define %s (", get_name(v));
478 write_expr(header, v->eval, 0);
479 fprintf(header, ")\n\n");
480 }
481
482 void write_externdef(const var_t *v)
483 {
484 fprintf(header, "extern const ");
485 write_type(header, v->type, NULL, v->tname);
486 if (get_name(v)) {
487 fprintf(header, " ");
488 write_pident(header, v);
489 }
490 fprintf(header, ";\n\n");
491 }
492
493 void write_library(const char *name, attr_t *attr) {
494 UUID *uuid = get_attrp(attr, ATTR_UUID);
495 fprintf(header, "\n");
496 write_guid("LIBID", name, uuid);
497 fprintf(header, "\n");
498 }
499
500
501 var_t* get_explicit_handle_var(func_t* func)
502 {
503 var_t* var;
504
505 if (!func->args)
506 return NULL;
507
508 var = func->args;
509 while (NEXT_LINK(var)) var = NEXT_LINK(var);
510 while (var)
511 {
512 if (var->type->type == RPC_FC_IGNORE)
513 return var;
514
515 var = PREV_LINK(var);
516 }
517
518 return NULL;
519 }
520
521
522 /********** INTERFACES **********/
523
524 int is_object(attr_t *a)
525 {
526 while (a) {
527 if (a->type == ATTR_OBJECT || a->type == ATTR_ODL) return 1;
528 a = NEXT_LINK(a);
529 }
530 return 0;
531 }
532
533 int is_local(attr_t *a)
534 {
535 return is_attr(a, ATTR_LOCAL);
536 }
537
538 var_t *is_callas(attr_t *a)
539 {
540 return get_attrp(a, ATTR_CALLAS);
541 }
542
543 static int write_method_macro(const type_t *iface, const char *name)
544 {
545 int idx;
546 func_t *cur = iface->funcs;
547
548 if (iface->ref) idx = write_method_macro(iface->ref, name);
549 else idx = 0;
550
551 if (!cur) return idx;
552 while (NEXT_LINK(cur)) cur = NEXT_LINK(cur);
553
554 fprintf(header, "/*** %s methods ***/\n", iface->name);
555 while (cur) {
556 var_t *def = cur->def;
557 if (!is_callas(def->attrs)) {
558 var_t *arg = cur->args;
559 int argc = 0;
560 int c;
561 while (arg) {
562 arg = NEXT_LINK(arg);
563 argc++;
564 }
565
566 fprintf(header, "#define %s_", name);
567 write_name(header,def);
568 fprintf(header, "(p");
569 for (c=0; c<argc; c++)
570 fprintf(header, ",%c", c+'a');
571 fprintf(header, ") ");
572
573 fprintf(header, "(p)->lpVtbl->");
574 write_name(header, def);
575 fprintf(header, "(p");
576 for (c=0; c<argc; c++)
577 fprintf(header, ",%c", c+'a');
578 fprintf(header, ")\n");
579 if (cur->idx == -1) cur->idx = idx;
580 else if (cur->idx != idx) yyerror("BUG: method index mismatch in write_method_macro");
581 idx++;
582 }
583 cur = PREV_LINK(cur);
584 }
585 return idx;
586 }
587
588 void write_args(FILE *h, var_t *arg, const char *name, int method, int do_indent)
589 {
590 int count = 0;
591 if (arg) {
592 while (NEXT_LINK(arg))
593 arg = NEXT_LINK(arg);
594 }
595 if (do_indent)
596 {
597 indentation++;
598 indent(h, 0);
599 }
600 if (method == 1) {
601 fprintf(h, "%s* This", name);
602 count++;
603 }
604 while (arg) {
605 if (count) {
606 if (do_indent)
607 {
608 fprintf(h, ",\n");
609 indent(h, 0);
610 }
611 else fprintf(h, ",");
612 }
613 write_type(h, arg->type, arg, arg->tname);
614 if (arg->args)
615 {
616 fprintf(h, " (STDMETHODCALLTYPE *");
617 write_name(h,arg);
618 fprintf(h, ")(");
619 write_args(h, arg->args, NULL, 0, FALSE);
620 fprintf(h, ")");
621 }
622 else
623 {
624 fprintf(h, " ");
625 write_name(h, arg);
626 }
627 write_array(h, arg->array, 0);
628 arg = PREV_LINK(arg);
629 count++;
630 }
631 if (do_indent) indentation--;
632 }
633
634 static void write_cpp_method_def(const type_t *iface)
635 {
636 func_t *cur = iface->funcs;
637
638 if (!cur) return;
639 while (NEXT_LINK(cur)) cur = NEXT_LINK(cur);
640 while (cur) {
641 var_t *def = cur->def;
642 if (!is_callas(def->attrs)) {
643 indent(header, 0);
644 fprintf(header, "virtual ");
645 write_type(header, def->type, def, def->tname);
646 fprintf(header, " STDMETHODCALLTYPE ");
647 write_name(header, def);
648 fprintf(header, "(\n");
649 write_args(header, cur->args, iface->name, 2, TRUE);
650 fprintf(header, ") = 0;\n");
651 fprintf(header, "\n");
652 }
653 cur = PREV_LINK(cur);
654 }
655 }
656
657 static void do_write_c_method_def(const type_t *iface, char *name)
658 {
659 func_t *cur = iface->funcs;
660
661 if (iface->ref) do_write_c_method_def(iface->ref, name);
662
663 if (!cur) return;
664 while (NEXT_LINK(cur)) cur = NEXT_LINK(cur);
665 indent(header, 0);
666 fprintf(header, "/*** %s methods ***/\n", iface->name);
667 while (cur) {
668 var_t *def = cur->def;
669 if (!is_callas(def->attrs)) {
670 indent(header, 0);
671 write_type(header, def->type, def, def->tname);
672 fprintf(header, " (STDMETHODCALLTYPE *");
673 write_name(header, def);
674 fprintf(header, ")(\n");
675 write_args(header, cur->args, name, 1, TRUE);
676 fprintf(header, ");\n");
677 fprintf(header, "\n");
678 }
679 cur = PREV_LINK(cur);
680 }
681 }
682
683 static void write_c_method_def(const type_t *iface)
684 {
685 do_write_c_method_def(iface, iface->name);
686 }
687
688 static void write_c_disp_method_def(const type_t *iface)
689 {
690 do_write_c_method_def(iface->ref, iface->name);
691 }
692
693 static void write_method_proto(const type_t *iface)
694 {
695 func_t *cur = iface->funcs;
696
697 if (!cur) return;
698 while (NEXT_LINK(cur)) cur = NEXT_LINK(cur);
699 while (cur) {
700 var_t *def = cur->def;
701 var_t *cas = is_callas(def->attrs);
702 var_t *args;
703 if (!is_local(def->attrs)) {
704 /* proxy prototype */
705 write_type(header, def->type, def, def->tname);
706 fprintf(header, " CALLBACK %s_", iface->name);
707 write_name(header, def);
708 fprintf(header, "_Proxy(\n");
709 write_args(header, cur->args, iface->name, 1, TRUE);
710 fprintf(header, ");\n");
711 /* stub prototype */
712 fprintf(header, "void __RPC_STUB %s_", iface->name);
713 write_name(header,def);
714 fprintf(header, "_Stub(\n");
715 fprintf(header, " IRpcStubBuffer* This,\n");
716 fprintf(header, " IRpcChannelBuffer* pRpcChannelBuffer,\n");
717 fprintf(header, " PRPC_MESSAGE pRpcMessage,\n");
718 fprintf(header, " DWORD* pdwStubPhase);\n");
719
720 args = cur->args;
721 if (args) {
722 while (NEXT_LINK(args))
723 args = NEXT_LINK(args);
724 }
725 check_for_user_types(args);
726 }
727 if (cas) {
728 func_t *m = iface->funcs;
729 while (m && strcmp(get_name(m->def), cas->name))
730 m = NEXT_LINK(m);
731 if (m) {
732 var_t *mdef = m->def;
733 /* proxy prototype - use local prototype */
734 write_type(header, mdef->type, mdef, mdef->tname);
735 fprintf(header, " CALLBACK %s_", iface->name);
736 write_name(header, mdef);
737 fprintf(header, "_Proxy(\n");
738 write_args(header, m->args, iface->name, 1, TRUE);
739 fprintf(header, ");\n");
740 /* stub prototype - use remotable prototype */
741 write_type(header, def->type, def, def->tname);
742 fprintf(header, " __RPC_STUB %s_", iface->name);
743 write_name(header, mdef);
744 fprintf(header, "_Stub(\n");
745 write_args(header, cur->args, iface->name, 1, TRUE);
746 fprintf(header, ");\n");
747 }
748 else {
749 yywarning("invalid call_as attribute (%s -> %s)\n", get_name(def), cas->name);
750 }
751 }
752
753 cur = PREV_LINK(cur);
754 }
755 }
756
757 static void write_function_proto(const type_t *iface)
758 {
759 char *implicit_handle = get_attrp(iface->attrs, ATTR_IMPLICIT_HANDLE);
760 int explicit_handle = is_attr(iface->attrs, ATTR_EXPLICIT_HANDLE);
761 var_t* explicit_handle_var;
762
763 func_t *cur = iface->funcs;
764 while (NEXT_LINK(cur)) cur = NEXT_LINK(cur);
765 while (cur) {
766 var_t *def = cur->def;
767
768 /* check for a defined binding handle */
769 explicit_handle_var = get_explicit_handle_var(cur);
770 if (explicit_handle) {
771 if (!explicit_handle_var) {
772 error("%s() does not define an explicit binding handle!\n", def->name);
773 return;
774 }
775 } else if (implicit_handle) {
776 if (explicit_handle_var) {
777 error("%s() must not define a binding handle!\n", def->name);
778 return;
779 }
780 }
781
782 /* FIXME: do we need to handle call_as? */
783 write_type(header, def->type, def, def->tname);
784 fprintf(header, " ");
785 write_name(header, def);
786 fprintf(header, "(\n");
787 if (cur->args)
788 write_args(header, cur->args, iface->name, 0, TRUE);
789 else
790 fprintf(header, " void");
791 fprintf(header, ");\n");
792
793 cur = PREV_LINK(cur);
794 }
795 }
796
797 void write_forward(type_t *iface)
798 {
799 /* C/C++ forwards should only be written for object interfaces, so if we
800 * have a full definition we only write one if we find [object] among the
801 * attributes - however, if we don't have a full definition at this point
802 * (i.e. this is an IDL forward), then we also assume that it is an object
803 * interface, since non-object interfaces shouldn't need forwards */
804 if ((!iface->defined || is_object(iface->attrs) || is_attr(iface->attrs, ATTR_DISPINTERFACE))
805 && !iface->written) {
806 fprintf(header, "#ifndef __%s_FWD_DEFINED__\n", iface->name);
807 fprintf(header, "#define __%s_FWD_DEFINED__\n", iface->name);
808 fprintf(header, "typedef interface %s %s;\n", iface->name, iface->name);
809 fprintf(header, "#endif\n\n" );
810 iface->written = TRUE;
811 }
812 }
813
814 static void write_iface_guid(const type_t *iface)
815 {
816 UUID *uuid = get_attrp(iface->attrs, ATTR_UUID);
817 write_guid("IID", iface->name, uuid);
818 }
819
820 static void write_dispiface_guid(const type_t *iface)
821 {
822 UUID *uuid = get_attrp(iface->attrs, ATTR_UUID);
823 write_guid("DIID", iface->name, uuid);
824 }
825
826 static void write_coclass_guid(class_t *cocl)
827 {
828 UUID *uuid = get_attrp(cocl->attrs, ATTR_UUID);
829 write_guid("CLSID", cocl->name, uuid);
830 }
831
832 static void write_com_interface(type_t *iface)
833 {
834 if (!iface->funcs && !iface->ref) {
835 yywarning("%s has no methods", iface->name);
836 return;
837 }
838
839 fprintf(header, "/*****************************************************************************\n");
840 fprintf(header, " * %s interface\n", iface->name);
841 fprintf(header, " */\n");
842 fprintf(header,"#ifndef __%s_INTERFACE_DEFINED__\n", iface->name);
843 fprintf(header,"#define __%s_INTERFACE_DEFINED__\n\n", iface->name);
844 write_iface_guid(iface);
845 write_forward(iface);
846 /* C++ interface */
847 fprintf(header, "#if defined(__cplusplus) && !defined(CINTERFACE)\n");
848 if (iface->ref)
849 {
850 fprintf(header, "interface %s : public %s\n", iface->name, iface->ref->name);
851 fprintf(header, "{\n");
852 indentation++;
853 write_cpp_method_def(iface);
854 indentation--;
855 fprintf(header, "};\n");
856 }
857 else
858 {
859 fprintf(header, "interface %s\n", iface->name);
860 fprintf(header, "{\n");
861 fprintf(header, " BEGIN_INTERFACE\n");
862 fprintf(header, "\n");
863 indentation++;
864 write_cpp_method_def(iface);
865 indentation--;
866 fprintf(header, " END_INTERFACE\n");
867 fprintf(header, "};\n");
868 }
869 fprintf(header, "#else\n");
870 /* C interface */
871 fprintf(header, "typedef struct %sVtbl {\n", iface->name);
872 indentation++;
873 fprintf(header, " BEGIN_INTERFACE\n");
874 fprintf(header, "\n");
875 write_c_method_def(iface);
876 indentation--;
877 fprintf(header, " END_INTERFACE\n");
878 fprintf(header, "} %sVtbl;\n", iface->name);
879 fprintf(header, "interface %s {\n", iface->name);
880 fprintf(header, " const %sVtbl* lpVtbl;\n", iface->name);
881 fprintf(header, "};\n");
882 fprintf(header, "\n");
883 fprintf(header, "#ifdef COBJMACROS\n");
884 write_method_macro(iface, iface->name);
885 fprintf(header, "#endif\n");
886 fprintf(header, "\n");
887 fprintf(header, "#endif\n");
888 fprintf(header, "\n");
889 write_method_proto(iface);
890 fprintf(header,"\n#endif /* __%s_INTERFACE_DEFINED__ */\n\n", iface->name);
891 }
892
893 static void write_rpc_interface(const type_t *iface)
894 {
895 unsigned long ver = get_attrv(iface->attrs, ATTR_VERSION);
896 char *var = get_attrp(iface->attrs, ATTR_IMPLICIT_HANDLE);
897
898 if (!iface->funcs) return;
899
900 fprintf(header, "/*****************************************************************************\n");
901 fprintf(header, " * %s interface (v%d.%d)\n", iface->name, LOWORD(ver), HIWORD(ver));
902 fprintf(header, " */\n");
903 write_iface_guid(iface);
904 if (var) fprintf(header, "extern handle_t %s;\n", var);
905 fprintf(header, "extern RPC_IF_HANDLE %s_v%d_%d_c_ifspec;\n", iface->name, LOWORD(ver), HIWORD(ver));
906 fprintf(header, "extern RPC_IF_HANDLE %s_v%d_%d_s_ifspec;\n", iface->name, LOWORD(ver), HIWORD(ver));
907 write_function_proto(iface);
908 fprintf(header, "\n");
909
910 /* FIXME: server/client code */
911 }
912
913 void write_interface(type_t *iface)
914 {
915 if (is_object(iface->attrs))
916 write_com_interface(iface);
917 else
918 write_rpc_interface(iface);
919 }
920
921 void write_dispinterface(type_t *iface)
922 {
923 fprintf(header, "/*****************************************************************************\n");
924 fprintf(header, " * %s dispinterface\n", iface->name);
925 fprintf(header, " */\n");
926 fprintf(header,"#ifndef __%s_DISPINTERFACE_DEFINED__\n", iface->name);
927 fprintf(header,"#define __%s_DISPINTERFACE_DEFINED__\n\n", iface->name);
928 write_dispiface_guid(iface);
929 write_forward(iface);
930 /* C++ interface */
931 fprintf(header, "#if defined(__cplusplus) && !defined(CINTERFACE)\n");
932 fprintf(header, "interface %s : public %s\n", iface->name, iface->ref->name);
933 fprintf(header, "{\n");
934 fprintf(header, "};\n");
935 fprintf(header, "#else\n");
936 /* C interface */
937 fprintf(header, "typedef struct %sVtbl {\n", iface->name);
938 indentation++;
939 fprintf(header, " BEGIN_INTERFACE\n");
940 fprintf(header, "\n");
941 write_c_disp_method_def(iface);
942 indentation--;
943 fprintf(header, " END_INTERFACE\n");
944 fprintf(header, "} %sVtbl;\n", iface->name);
945 fprintf(header, "interface %s {\n", iface->name);
946 fprintf(header, " const %sVtbl* lpVtbl;\n", iface->name);
947 fprintf(header, "};\n");
948 fprintf(header, "\n");
949 fprintf(header, "#ifdef COBJMACROS\n");
950 write_method_macro(iface->ref, iface->name);
951 fprintf(header, "#endif\n");
952 fprintf(header, "\n");
953 fprintf(header, "#endif\n");
954 fprintf(header, "\n");
955 fprintf(header,"#endif /* __%s_DISPINTERFACE_DEFINED__ */\n\n", iface->name);
956 }
957
958 void write_coclass(class_t *cocl)
959 {
960 fprintf(header, "/*****************************************************************************\n");
961 fprintf(header, " * %s coclass\n", cocl->name);
962 fprintf(header, " */\n\n");
963 write_coclass_guid(cocl);
964 fprintf(header, "\n");
965 }
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