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Release 0.9.14.
[wine/multimedia.git] / tools / widl / header.c
blobc34f9a96df55f592272bf3a6596f6227b559aebe
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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, 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, const 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(const 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 const 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 const 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, const attr_t *attr) {
494 const 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 const var_t* get_explicit_handle_var(const func_t* func)
502 {
503 const 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_BIND_PRIMITIVE)
513 return var;
514
515 var = PREV_LINK(var);
516 }
517
518 return NULL;
519 }
520
521 int has_out_arg_or_return(const func_t *func)
522 {
523 var_t *var;
524
525 if (!is_void(func->def->type, NULL))
526 return 1;
527
528 if (!func->args)
529 return 0;
530
531 var = func->args;
532 while (NEXT_LINK(var)) var = NEXT_LINK(var);
533 while (var)
534 {
535 if (is_attr(var->attrs, ATTR_OUT))
536 return 1;
537
538 var = PREV_LINK(var);
539 }
540 return 0;
541 }
542
543
544 /********** INTERFACES **********/
545
546 int is_object(const attr_t *a)
547 {
548 while (a) {
549 if (a->type == ATTR_OBJECT || a->type == ATTR_ODL) return 1;
550 a = NEXT_LINK(a);
551 }
552 return 0;
553 }
554
555 int is_local(const attr_t *a)
556 {
557 return is_attr(a, ATTR_LOCAL);
558 }
559
560 const var_t *is_callas(const attr_t *a)
561 {
562 return get_attrp(a, ATTR_CALLAS);
563 }
564
565 static int write_method_macro(const type_t *iface, const char *name)
566 {
567 int idx;
568 func_t *cur = iface->funcs;
569
570 if (iface->ref) idx = write_method_macro(iface->ref, name);
571 else idx = 0;
572
573 if (!cur) return idx;
574 while (NEXT_LINK(cur)) cur = NEXT_LINK(cur);
575
576 fprintf(header, "/*** %s methods ***/\n", iface->name);
577 while (cur) {
578 var_t *def = cur->def;
579 if (!is_callas(def->attrs)) {
580 var_t *arg = cur->args;
581 int argc = 0;
582 int c;
583 while (arg) {
584 arg = NEXT_LINK(arg);
585 argc++;
586 }
587
588 fprintf(header, "#define %s_", name);
589 write_name(header,def);
590 fprintf(header, "(p");
591 for (c=0; c<argc; c++)
592 fprintf(header, ",%c", c+'a');
593 fprintf(header, ") ");
594
595 fprintf(header, "(p)->lpVtbl->");
596 write_name(header, def);
597 fprintf(header, "(p");
598 for (c=0; c<argc; c++)
599 fprintf(header, ",%c", c+'a');
600 fprintf(header, ")\n");
601 if (cur->idx == -1) cur->idx = idx;
602 else if (cur->idx != idx) yyerror("BUG: method index mismatch in write_method_macro");
603 idx++;
604 }
605 cur = PREV_LINK(cur);
606 }
607 return idx;
608 }
609
610 void write_args(FILE *h, var_t *arg, const char *name, int method, int do_indent)
611 {
612 int count = 0;
613 if (arg) {
614 while (NEXT_LINK(arg))
615 arg = NEXT_LINK(arg);
616 }
617 if (do_indent)
618 {
619 indentation++;
620 indent(h, 0);
621 }
622 if (method == 1) {
623 fprintf(h, "%s* This", name);
624 count++;
625 }
626 while (arg) {
627 if (count) {
628 if (do_indent)
629 {
630 fprintf(h, ",\n");
631 indent(h, 0);
632 }
633 else fprintf(h, ",");
634 }
635 write_type(h, arg->type, arg, arg->tname);
636 if (arg->args)
637 {
638 fprintf(h, " (STDMETHODCALLTYPE *");
639 write_name(h,arg);
640 fprintf(h, ")(");
641 write_args(h, arg->args, NULL, 0, FALSE);
642 fprintf(h, ")");
643 }
644 else
645 {
646 fprintf(h, " ");
647 write_name(h, arg);
648 }
649 write_array(h, arg->array, 0);
650 arg = PREV_LINK(arg);
651 count++;
652 }
653 if (do_indent) indentation--;
654 }
655
656 static void write_cpp_method_def(const type_t *iface)
657 {
658 func_t *cur = iface->funcs;
659
660 if (!cur) return;
661 while (NEXT_LINK(cur)) cur = NEXT_LINK(cur);
662 while (cur) {
663 var_t *def = cur->def;
664 if (!is_callas(def->attrs)) {
665 indent(header, 0);
666 fprintf(header, "virtual ");
667 write_type(header, def->type, def, def->tname);
668 fprintf(header, " STDMETHODCALLTYPE ");
669 write_name(header, def);
670 fprintf(header, "(\n");
671 write_args(header, cur->args, iface->name, 2, TRUE);
672 fprintf(header, ") = 0;\n");
673 fprintf(header, "\n");
674 }
675 cur = PREV_LINK(cur);
676 }
677 }
678
679 static void do_write_c_method_def(const type_t *iface, const char *name)
680 {
681 const func_t *cur = iface->funcs;
682
683 if (iface->ref) do_write_c_method_def(iface->ref, name);
684
685 if (!cur) return;
686 while (NEXT_LINK(cur)) cur = NEXT_LINK(cur);
687 indent(header, 0);
688 fprintf(header, "/*** %s methods ***/\n", iface->name);
689 while (cur) {
690 const var_t *def = cur->def;
691 if (!is_callas(def->attrs)) {
692 indent(header, 0);
693 write_type(header, def->type, def, def->tname);
694 fprintf(header, " (STDMETHODCALLTYPE *");
695 write_name(header, def);
696 fprintf(header, ")(\n");
697 write_args(header, cur->args, name, 1, TRUE);
698 fprintf(header, ");\n");
699 fprintf(header, "\n");
700 }
701 cur = PREV_LINK(cur);
702 }
703 }
704
705 static void write_c_method_def(const type_t *iface)
706 {
707 do_write_c_method_def(iface, iface->name);
708 }
709
710 static void write_c_disp_method_def(const type_t *iface)
711 {
712 do_write_c_method_def(iface->ref, iface->name);
713 }
714
715 static void write_method_proto(const type_t *iface)
716 {
717 const func_t *cur = iface->funcs;
718
719 if (!cur) return;
720 while (NEXT_LINK(cur)) cur = NEXT_LINK(cur);
721 while (cur) {
722 const var_t *def = cur->def;
723 const var_t *cas = is_callas(def->attrs);
724 const var_t *args;
725 if (!is_local(def->attrs)) {
726 /* proxy prototype */
727 write_type(header, def->type, def, def->tname);
728 fprintf(header, " CALLBACK %s_", iface->name);
729 write_name(header, def);
730 fprintf(header, "_Proxy(\n");
731 write_args(header, cur->args, iface->name, 1, TRUE);
732 fprintf(header, ");\n");
733 /* stub prototype */
734 fprintf(header, "void __RPC_STUB %s_", iface->name);
735 write_name(header,def);
736 fprintf(header, "_Stub(\n");
737 fprintf(header, " IRpcStubBuffer* This,\n");
738 fprintf(header, " IRpcChannelBuffer* pRpcChannelBuffer,\n");
739 fprintf(header, " PRPC_MESSAGE pRpcMessage,\n");
740 fprintf(header, " DWORD* pdwStubPhase);\n");
741
742 args = cur->args;
743 if (args) {
744 while (NEXT_LINK(args))
745 args = NEXT_LINK(args);
746 }
747 check_for_user_types(args);
748 }
749 if (cas) {
750 const func_t *m = iface->funcs;
751 while (m && strcmp(get_name(m->def), cas->name))
752 m = NEXT_LINK(m);
753 if (m) {
754 const var_t *mdef = m->def;
755 /* proxy prototype - use local prototype */
756 write_type(header, mdef->type, mdef, mdef->tname);
757 fprintf(header, " CALLBACK %s_", iface->name);
758 write_name(header, mdef);
759 fprintf(header, "_Proxy(\n");
760 write_args(header, m->args, iface->name, 1, TRUE);
761 fprintf(header, ");\n");
762 /* stub prototype - use remotable prototype */
763 write_type(header, def->type, def, def->tname);
764 fprintf(header, " __RPC_STUB %s_", iface->name);
765 write_name(header, mdef);
766 fprintf(header, "_Stub(\n");
767 write_args(header, cur->args, iface->name, 1, TRUE);
768 fprintf(header, ");\n");
769 }
770 else {
771 yywarning("invalid call_as attribute (%s -> %s)\n", get_name(def), cas->name);
772 }
773 }
774
775 cur = PREV_LINK(cur);
776 }
777 }
778
779 static void write_function_proto(const type_t *iface)
780 {
781 const char *implicit_handle = get_attrp(iface->attrs, ATTR_IMPLICIT_HANDLE);
782 int explicit_handle = is_attr(iface->attrs, ATTR_EXPLICIT_HANDLE);
783 const var_t* explicit_handle_var;
784
785 func_t *cur = iface->funcs;
786 while (NEXT_LINK(cur)) cur = NEXT_LINK(cur);
787 while (cur) {
788 var_t *def = cur->def;
789
790 /* check for a defined binding handle */
791 explicit_handle_var = get_explicit_handle_var(cur);
792 if (explicit_handle) {
793 if (!explicit_handle_var) {
794 error("%s() does not define an explicit binding handle!\n", def->name);
795 return;
796 }
797 } else if (implicit_handle) {
798 if (explicit_handle_var) {
799 error("%s() must not define a binding handle!\n", def->name);
800 return;
801 }
802 }
803
804 /* FIXME: do we need to handle call_as? */
805 write_type(header, def->type, def, def->tname);
806 fprintf(header, " ");
807 write_name(header, def);
808 fprintf(header, "(\n");
809 if (cur->args)
810 write_args(header, cur->args, iface->name, 0, TRUE);
811 else
812 fprintf(header, " void");
813 fprintf(header, ");\n");
814
815 cur = PREV_LINK(cur);
816 }
817 }
818
819 void write_forward(type_t *iface)
820 {
821 /* C/C++ forwards should only be written for object interfaces, so if we
822 * have a full definition we only write one if we find [object] among the
823 * attributes - however, if we don't have a full definition at this point
824 * (i.e. this is an IDL forward), then we also assume that it is an object
825 * interface, since non-object interfaces shouldn't need forwards */
826 if ((!iface->defined || is_object(iface->attrs) || is_attr(iface->attrs, ATTR_DISPINTERFACE))
827 && !iface->written) {
828 fprintf(header, "#ifndef __%s_FWD_DEFINED__\n", iface->name);
829 fprintf(header, "#define __%s_FWD_DEFINED__\n", iface->name);
830 fprintf(header, "typedef interface %s %s;\n", iface->name, iface->name);
831 fprintf(header, "#endif\n\n" );
832 iface->written = TRUE;
833 }
834 }
835
836 static void write_iface_guid(const type_t *iface)
837 {
838 const UUID *uuid = get_attrp(iface->attrs, ATTR_UUID);
839 write_guid("IID", iface->name, uuid);
840 }
841
842 static void write_dispiface_guid(const type_t *iface)
843 {
844 const UUID *uuid = get_attrp(iface->attrs, ATTR_UUID);
845 write_guid("DIID", iface->name, uuid);
846 }
847
848 static void write_coclass_guid(class_t *cocl)
849 {
850 const UUID *uuid = get_attrp(cocl->attrs, ATTR_UUID);
851 write_guid("CLSID", cocl->name, uuid);
852 }
853
854 static void write_com_interface(type_t *iface)
855 {
856 if (!iface->funcs && !iface->ref) {
857 yywarning("%s has no methods", iface->name);
858 return;
859 }
860
861 fprintf(header, "/*****************************************************************************\n");
862 fprintf(header, " * %s interface\n", iface->name);
863 fprintf(header, " */\n");
864 fprintf(header,"#ifndef __%s_INTERFACE_DEFINED__\n", iface->name);
865 fprintf(header,"#define __%s_INTERFACE_DEFINED__\n\n", iface->name);
866 write_iface_guid(iface);
867 write_forward(iface);
868 /* C++ interface */
869 fprintf(header, "#if defined(__cplusplus) && !defined(CINTERFACE)\n");
870 if (iface->ref)
871 {
872 fprintf(header, "interface %s : public %s\n", iface->name, iface->ref->name);
873 fprintf(header, "{\n");
874 indentation++;
875 write_cpp_method_def(iface);
876 indentation--;
877 fprintf(header, "};\n");
878 }
879 else
880 {
881 fprintf(header, "interface %s\n", iface->name);
882 fprintf(header, "{\n");
883 fprintf(header, " BEGIN_INTERFACE\n");
884 fprintf(header, "\n");
885 indentation++;
886 write_cpp_method_def(iface);
887 indentation--;
888 fprintf(header, " END_INTERFACE\n");
889 fprintf(header, "};\n");
890 }
891 fprintf(header, "#else\n");
892 /* C interface */
893 fprintf(header, "typedef struct %sVtbl {\n", iface->name);
894 indentation++;
895 fprintf(header, " BEGIN_INTERFACE\n");
896 fprintf(header, "\n");
897 write_c_method_def(iface);
898 indentation--;
899 fprintf(header, " END_INTERFACE\n");
900 fprintf(header, "} %sVtbl;\n", iface->name);
901 fprintf(header, "interface %s {\n", iface->name);
902 fprintf(header, " const %sVtbl* lpVtbl;\n", iface->name);
903 fprintf(header, "};\n");
904 fprintf(header, "\n");
905 fprintf(header, "#ifdef COBJMACROS\n");
906 write_method_macro(iface, iface->name);
907 fprintf(header, "#endif\n");
908 fprintf(header, "\n");
909 fprintf(header, "#endif\n");
910 fprintf(header, "\n");
911 write_method_proto(iface);
912 fprintf(header,"\n#endif /* __%s_INTERFACE_DEFINED__ */\n\n", iface->name);
913 }
914
915 static void write_rpc_interface(const type_t *iface)
916 {
917 unsigned long ver = get_attrv(iface->attrs, ATTR_VERSION);
918 const char *var = get_attrp(iface->attrs, ATTR_IMPLICIT_HANDLE);
919 static int allocate_written = 0;
920
921 if (!allocate_written)
922 {
923 allocate_written = 1;
924 fprintf(header, "void * __RPC_USER MIDL_user_allocate(size_t);\n");
925 fprintf(header, "void __RPC_USER MIDL_user_free(void *);\n\n");
926 }
927
928 fprintf(header, "/*****************************************************************************\n");
929 fprintf(header, " * %s interface (v%d.%d)\n", iface->name, LOWORD(ver), HIWORD(ver));
930 fprintf(header, " */\n");
931 fprintf(header,"#ifndef __%s_INTERFACE_DEFINED__\n", iface->name);
932 fprintf(header,"#define __%s_INTERFACE_DEFINED__\n\n", iface->name);
933 if (iface->funcs)
934 {
935 write_iface_guid(iface);
936 if (var) fprintf(header, "extern handle_t %s;\n", var);
937 if (old_names)
938 {
939 fprintf(header, "extern RPC_IF_HANDLE %s_ClientIfHandle;\n", iface->name);
940 fprintf(header, "extern RPC_IF_HANDLE %s_ServerIfHandle;\n", iface->name);
941 }
942 else
943 {
944 fprintf(header, "extern RPC_IF_HANDLE %s_v%d_%d_c_ifspec;\n", iface->name, LOWORD(ver), HIWORD(ver));
945 fprintf(header, "extern RPC_IF_HANDLE %s_v%d_%d_s_ifspec;\n", iface->name, LOWORD(ver), HIWORD(ver));
946 }
947 write_function_proto(iface);
948 }
949 fprintf(header,"\n#endif /* __%s_INTERFACE_DEFINED__ */\n\n", iface->name);
950
951 /* FIXME: server/client code */
952 }
953
954 void write_interface(type_t *iface)
955 {
956 if (is_object(iface->attrs))
957 write_com_interface(iface);
958 else
959 write_rpc_interface(iface);
960 }
961
962 void write_dispinterface(type_t *iface)
963 {
964 fprintf(header, "/*****************************************************************************\n");
965 fprintf(header, " * %s dispinterface\n", iface->name);
966 fprintf(header, " */\n");
967 fprintf(header,"#ifndef __%s_DISPINTERFACE_DEFINED__\n", iface->name);
968 fprintf(header,"#define __%s_DISPINTERFACE_DEFINED__\n\n", iface->name);
969 write_dispiface_guid(iface);
970 write_forward(iface);
971 /* C++ interface */
972 fprintf(header, "#if defined(__cplusplus) && !defined(CINTERFACE)\n");
973 fprintf(header, "interface %s : public %s\n", iface->name, iface->ref->name);
974 fprintf(header, "{\n");
975 fprintf(header, "};\n");
976 fprintf(header, "#else\n");
977 /* C interface */
978 fprintf(header, "typedef struct %sVtbl {\n", iface->name);
979 indentation++;
980 fprintf(header, " BEGIN_INTERFACE\n");
981 fprintf(header, "\n");
982 write_c_disp_method_def(iface);
983 indentation--;
984 fprintf(header, " END_INTERFACE\n");
985 fprintf(header, "} %sVtbl;\n", iface->name);
986 fprintf(header, "interface %s {\n", iface->name);
987 fprintf(header, " const %sVtbl* lpVtbl;\n", iface->name);
988 fprintf(header, "};\n");
989 fprintf(header, "\n");
990 fprintf(header, "#ifdef COBJMACROS\n");
991 write_method_macro(iface->ref, iface->name);
992 fprintf(header, "#endif\n");
993 fprintf(header, "\n");
994 fprintf(header, "#endif\n");
995 fprintf(header, "\n");
996 fprintf(header,"#endif /* __%s_DISPINTERFACE_DEFINED__ */\n\n", iface->name);
997 }
998
999 void write_coclass(class_t *cocl)
1000 {
1001 fprintf(header, "/*****************************************************************************\n");
1002 fprintf(header, " * %s coclass\n", cocl->name);
1003 fprintf(header, " */\n\n");
1004 write_coclass_guid(cocl);
1005 fprintf(header, "\n");
1006 }
Maarten's multimedia branch