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ntdll: Moved the calling of the process entry point to LdrInitializeThunk.
[wine/multimedia.git] / tools / widl / header.c
blob546481ac036fd6fbea51edb368c04ee99f4eca53
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_TRUEFALSE:
414 if (e->u.lval == 0)
415 fprintf(h, "FALSE");
416 else
417 fprintf(h, "TRUE");
418 break;
419 case EXPR_IDENTIFIER:
420 fprintf(h, "%s", e->u.sval);
421 break;
422 case EXPR_NEG:
423 fprintf(h, "-");
424 write_expr(h, e->ref, 1);
425 break;
426 case EXPR_NOT:
427 fprintf(h, "~");
428 write_expr(h, e->ref, 1);
429 break;
430 case EXPR_PPTR:
431 fprintf(h, "*");
432 write_expr(h, e->ref, 1);
433 break;
434 case EXPR_CAST:
435 fprintf(h, "(");
436 write_type(h, e->u.tref->ref, NULL, e->u.tref->name);
437 fprintf(h, ")");
438 write_expr(h, e->ref, 1);
439 break;
440 case EXPR_SIZEOF:
441 fprintf(h, "sizeof(");
442 write_type(h, e->u.tref->ref, NULL, e->u.tref->name);
443 fprintf(h, ")");
444 break;
445 case EXPR_SHL:
446 case EXPR_SHR:
447 case EXPR_MUL:
448 case EXPR_DIV:
449 case EXPR_ADD:
450 case EXPR_SUB:
451 case EXPR_AND:
452 case EXPR_OR:
453 if (brackets) fprintf(h, "(");
454 write_expr(h, e->ref, 1);
455 switch (e->type) {
456 case EXPR_SHL: fprintf(h, " << "); break;
457 case EXPR_SHR: fprintf(h, " >> "); break;
458 case EXPR_MUL: fprintf(h, " * "); break;
459 case EXPR_DIV: fprintf(h, " / "); break;
460 case EXPR_ADD: fprintf(h, " + "); break;
461 case EXPR_SUB: fprintf(h, " - "); break;
462 case EXPR_AND: fprintf(h, " & "); break;
463 case EXPR_OR: fprintf(h, " | "); break;
464 default: break;
465 }
466 write_expr(h, e->u.ext, 1);
467 if (brackets) fprintf(h, ")");
468 break;
469 case EXPR_COND:
470 if (brackets) fprintf(h, "(");
471 write_expr(h, e->ref, 1);
472 fprintf(h, " ? ");
473 write_expr(h, e->u.ext, 1);
474 fprintf(h, " : ");
475 write_expr(h, e->ext2, 1);
476 if (brackets) fprintf(h, ")");
477 break;
478 }
479 }
480
481 void write_constdef(const var_t *v)
482 {
483 fprintf(header, "#define %s (", get_name(v));
484 write_expr(header, v->eval, 0);
485 fprintf(header, ")\n\n");
486 }
487
488 void write_externdef(const var_t *v)
489 {
490 fprintf(header, "extern const ");
491 write_type(header, v->type, NULL, v->tname);
492 if (get_name(v)) {
493 fprintf(header, " ");
494 write_pident(header, v);
495 }
496 fprintf(header, ";\n\n");
497 }
498
499 void write_library(const char *name, const attr_t *attr) {
500 const UUID *uuid = get_attrp(attr, ATTR_UUID);
501 fprintf(header, "\n");
502 write_guid("LIBID", name, uuid);
503 fprintf(header, "\n");
504 }
505
506
507 const var_t* get_explicit_handle_var(const func_t* func)
508 {
509 const var_t* var;
510
511 if (!func->args)
512 return NULL;
513
514 var = func->args;
515 while (NEXT_LINK(var)) var = NEXT_LINK(var);
516 while (var)
517 {
518 if (var->type->type == RPC_FC_BIND_PRIMITIVE)
519 return var;
520
521 var = PREV_LINK(var);
522 }
523
524 return NULL;
525 }
526
527 int has_out_arg_or_return(const func_t *func)
528 {
529 var_t *var;
530
531 if (!is_void(func->def->type, NULL))
532 return 1;
533
534 if (!func->args)
535 return 0;
536
537 var = func->args;
538 while (NEXT_LINK(var)) var = NEXT_LINK(var);
539 while (var)
540 {
541 if (is_attr(var->attrs, ATTR_OUT))
542 return 1;
543
544 var = PREV_LINK(var);
545 }
546 return 0;
547 }
548
549
550 /********** INTERFACES **********/
551
552 int is_object(const attr_t *a)
553 {
554 while (a) {
555 if (a->type == ATTR_OBJECT || a->type == ATTR_ODL) return 1;
556 a = NEXT_LINK(a);
557 }
558 return 0;
559 }
560
561 int is_local(const attr_t *a)
562 {
563 return is_attr(a, ATTR_LOCAL);
564 }
565
566 const var_t *is_callas(const attr_t *a)
567 {
568 return get_attrp(a, ATTR_CALLAS);
569 }
570
571 static int write_method_macro(const type_t *iface, const char *name)
572 {
573 int idx;
574 func_t *cur = iface->funcs;
575
576 if (iface->ref) idx = write_method_macro(iface->ref, name);
577 else idx = 0;
578
579 if (!cur) return idx;
580 while (NEXT_LINK(cur)) cur = NEXT_LINK(cur);
581
582 fprintf(header, "/*** %s methods ***/\n", iface->name);
583 while (cur) {
584 var_t *def = cur->def;
585 if (!is_callas(def->attrs)) {
586 var_t *arg = cur->args;
587 int argc = 0;
588 int c;
589 while (arg) {
590 arg = NEXT_LINK(arg);
591 argc++;
592 }
593
594 fprintf(header, "#define %s_", name);
595 write_name(header,def);
596 fprintf(header, "(p");
597 for (c=0; c<argc; c++)
598 fprintf(header, ",%c", c+'a');
599 fprintf(header, ") ");
600
601 fprintf(header, "(p)->lpVtbl->");
602 write_name(header, def);
603 fprintf(header, "(p");
604 for (c=0; c<argc; c++)
605 fprintf(header, ",%c", c+'a');
606 fprintf(header, ")\n");
607 if (cur->idx == -1) cur->idx = idx;
608 else if (cur->idx != idx) yyerror("BUG: method index mismatch in write_method_macro");
609 idx++;
610 }
611 cur = PREV_LINK(cur);
612 }
613 return idx;
614 }
615
616 void write_args(FILE *h, var_t *arg, const char *name, int method, int do_indent)
617 {
618 int count = 0;
619 if (arg) {
620 while (NEXT_LINK(arg))
621 arg = NEXT_LINK(arg);
622 }
623 if (do_indent)
624 {
625 indentation++;
626 indent(h, 0);
627 }
628 if (method == 1) {
629 fprintf(h, "%s* This", name);
630 count++;
631 }
632 while (arg) {
633 if (count) {
634 if (do_indent)
635 {
636 fprintf(h, ",\n");
637 indent(h, 0);
638 }
639 else fprintf(h, ",");
640 }
641 write_type(h, arg->type, arg, arg->tname);
642 if (arg->args)
643 {
644 fprintf(h, " (STDMETHODCALLTYPE *");
645 write_name(h,arg);
646 fprintf(h, ")(");
647 write_args(h, arg->args, NULL, 0, FALSE);
648 fprintf(h, ")");
649 }
650 else
651 {
652 fprintf(h, " ");
653 write_name(h, arg);
654 }
655 write_array(h, arg->array, 0);
656 arg = PREV_LINK(arg);
657 count++;
658 }
659 if (do_indent) indentation--;
660 }
661
662 static void write_cpp_method_def(const type_t *iface)
663 {
664 func_t *cur = iface->funcs;
665
666 if (!cur) return;
667 while (NEXT_LINK(cur)) cur = NEXT_LINK(cur);
668 while (cur) {
669 var_t *def = cur->def;
670 if (!is_callas(def->attrs)) {
671 indent(header, 0);
672 fprintf(header, "virtual ");
673 write_type(header, def->type, def, def->tname);
674 fprintf(header, " STDMETHODCALLTYPE ");
675 write_name(header, def);
676 fprintf(header, "(\n");
677 write_args(header, cur->args, iface->name, 2, TRUE);
678 fprintf(header, ") = 0;\n");
679 fprintf(header, "\n");
680 }
681 cur = PREV_LINK(cur);
682 }
683 }
684
685 static void do_write_c_method_def(const type_t *iface, const char *name)
686 {
687 const func_t *cur = iface->funcs;
688
689 if (iface->ref) do_write_c_method_def(iface->ref, name);
690
691 if (!cur) return;
692 while (NEXT_LINK(cur)) cur = NEXT_LINK(cur);
693 indent(header, 0);
694 fprintf(header, "/*** %s methods ***/\n", iface->name);
695 while (cur) {
696 const var_t *def = cur->def;
697 if (!is_callas(def->attrs)) {
698 indent(header, 0);
699 write_type(header, def->type, def, def->tname);
700 fprintf(header, " (STDMETHODCALLTYPE *");
701 write_name(header, def);
702 fprintf(header, ")(\n");
703 write_args(header, cur->args, name, 1, TRUE);
704 fprintf(header, ");\n");
705 fprintf(header, "\n");
706 }
707 cur = PREV_LINK(cur);
708 }
709 }
710
711 static void write_c_method_def(const type_t *iface)
712 {
713 do_write_c_method_def(iface, iface->name);
714 }
715
716 static void write_c_disp_method_def(const type_t *iface)
717 {
718 do_write_c_method_def(iface->ref, iface->name);
719 }
720
721 static void write_method_proto(const type_t *iface)
722 {
723 const func_t *cur = iface->funcs;
724
725 if (!cur) return;
726 while (NEXT_LINK(cur)) cur = NEXT_LINK(cur);
727 while (cur) {
728 const var_t *def = cur->def;
729 const var_t *cas = is_callas(def->attrs);
730 const var_t *args;
731 if (!is_local(def->attrs)) {
732 /* proxy prototype */
733 write_type(header, def->type, def, def->tname);
734 fprintf(header, " CALLBACK %s_", iface->name);
735 write_name(header, def);
736 fprintf(header, "_Proxy(\n");
737 write_args(header, cur->args, iface->name, 1, TRUE);
738 fprintf(header, ");\n");
739 /* stub prototype */
740 fprintf(header, "void __RPC_STUB %s_", iface->name);
741 write_name(header,def);
742 fprintf(header, "_Stub(\n");
743 fprintf(header, " IRpcStubBuffer* This,\n");
744 fprintf(header, " IRpcChannelBuffer* pRpcChannelBuffer,\n");
745 fprintf(header, " PRPC_MESSAGE pRpcMessage,\n");
746 fprintf(header, " DWORD* pdwStubPhase);\n");
747
748 args = cur->args;
749 if (args) {
750 while (NEXT_LINK(args))
751 args = NEXT_LINK(args);
752 }
753 check_for_user_types(args);
754 }
755 if (cas) {
756 const func_t *m = iface->funcs;
757 while (m && strcmp(get_name(m->def), cas->name))
758 m = NEXT_LINK(m);
759 if (m) {
760 const var_t *mdef = m->def;
761 /* proxy prototype - use local prototype */
762 write_type(header, mdef->type, mdef, mdef->tname);
763 fprintf(header, " CALLBACK %s_", iface->name);
764 write_name(header, mdef);
765 fprintf(header, "_Proxy(\n");
766 write_args(header, m->args, iface->name, 1, TRUE);
767 fprintf(header, ");\n");
768 /* stub prototype - use remotable prototype */
769 write_type(header, def->type, def, def->tname);
770 fprintf(header, " __RPC_STUB %s_", iface->name);
771 write_name(header, mdef);
772 fprintf(header, "_Stub(\n");
773 write_args(header, cur->args, iface->name, 1, TRUE);
774 fprintf(header, ");\n");
775 }
776 else {
777 yywarning("invalid call_as attribute (%s -> %s)\n", get_name(def), cas->name);
778 }
779 }
780
781 cur = PREV_LINK(cur);
782 }
783 }
784
785 static void write_function_proto(const type_t *iface)
786 {
787 const char *implicit_handle = get_attrp(iface->attrs, ATTR_IMPLICIT_HANDLE);
788 int explicit_handle = is_attr(iface->attrs, ATTR_EXPLICIT_HANDLE);
789 const var_t* explicit_handle_var;
790
791 func_t *cur = iface->funcs;
792 while (NEXT_LINK(cur)) cur = NEXT_LINK(cur);
793 while (cur) {
794 var_t *def = cur->def;
795
796 /* check for a defined binding handle */
797 explicit_handle_var = get_explicit_handle_var(cur);
798 if (explicit_handle) {
799 if (!explicit_handle_var) {
800 error("%s() does not define an explicit binding handle!\n", def->name);
801 return;
802 }
803 } else if (implicit_handle) {
804 if (explicit_handle_var) {
805 error("%s() must not define a binding handle!\n", def->name);
806 return;
807 }
808 }
809
810 /* FIXME: do we need to handle call_as? */
811 write_type(header, def->type, def, def->tname);
812 fprintf(header, " ");
813 write_name(header, def);
814 fprintf(header, "(\n");
815 if (cur->args)
816 write_args(header, cur->args, iface->name, 0, TRUE);
817 else
818 fprintf(header, " void");
819 fprintf(header, ");\n");
820
821 cur = PREV_LINK(cur);
822 }
823 }
824
825 void write_forward(type_t *iface)
826 {
827 /* C/C++ forwards should only be written for object interfaces, so if we
828 * have a full definition we only write one if we find [object] among the
829 * attributes - however, if we don't have a full definition at this point
830 * (i.e. this is an IDL forward), then we also assume that it is an object
831 * interface, since non-object interfaces shouldn't need forwards */
832 if ((!iface->defined || is_object(iface->attrs) || is_attr(iface->attrs, ATTR_DISPINTERFACE))
833 && !iface->written) {
834 fprintf(header, "#ifndef __%s_FWD_DEFINED__\n", iface->name);
835 fprintf(header, "#define __%s_FWD_DEFINED__\n", iface->name);
836 fprintf(header, "typedef interface %s %s;\n", iface->name, iface->name);
837 fprintf(header, "#endif\n\n" );
838 iface->written = TRUE;
839 }
840 }
841
842 static void write_iface_guid(const type_t *iface)
843 {
844 const UUID *uuid = get_attrp(iface->attrs, ATTR_UUID);
845 write_guid("IID", iface->name, uuid);
846 }
847
848 static void write_dispiface_guid(const type_t *iface)
849 {
850 const UUID *uuid = get_attrp(iface->attrs, ATTR_UUID);
851 write_guid("DIID", iface->name, uuid);
852 }
853
854 static void write_coclass_guid(class_t *cocl)
855 {
856 const UUID *uuid = get_attrp(cocl->attrs, ATTR_UUID);
857 write_guid("CLSID", cocl->name, uuid);
858 }
859
860 static void write_com_interface(type_t *iface)
861 {
862 if (!iface->funcs && !iface->ref) {
863 yywarning("%s has no methods", iface->name);
864 return;
865 }
866
867 fprintf(header, "/*****************************************************************************\n");
868 fprintf(header, " * %s interface\n", iface->name);
869 fprintf(header, " */\n");
870 fprintf(header,"#ifndef __%s_INTERFACE_DEFINED__\n", iface->name);
871 fprintf(header,"#define __%s_INTERFACE_DEFINED__\n\n", iface->name);
872 write_iface_guid(iface);
873 write_forward(iface);
874 /* C++ interface */
875 fprintf(header, "#if defined(__cplusplus) && !defined(CINTERFACE)\n");
876 if (iface->ref)
877 {
878 fprintf(header, "interface %s : public %s\n", iface->name, iface->ref->name);
879 fprintf(header, "{\n");
880 indentation++;
881 write_cpp_method_def(iface);
882 indentation--;
883 fprintf(header, "};\n");
884 }
885 else
886 {
887 fprintf(header, "interface %s\n", iface->name);
888 fprintf(header, "{\n");
889 fprintf(header, " BEGIN_INTERFACE\n");
890 fprintf(header, "\n");
891 indentation++;
892 write_cpp_method_def(iface);
893 indentation--;
894 fprintf(header, " END_INTERFACE\n");
895 fprintf(header, "};\n");
896 }
897 fprintf(header, "#else\n");
898 /* C interface */
899 fprintf(header, "typedef struct %sVtbl {\n", iface->name);
900 indentation++;
901 fprintf(header, " BEGIN_INTERFACE\n");
902 fprintf(header, "\n");
903 write_c_method_def(iface);
904 indentation--;
905 fprintf(header, " END_INTERFACE\n");
906 fprintf(header, "} %sVtbl;\n", iface->name);
907 fprintf(header, "interface %s {\n", iface->name);
908 fprintf(header, " const %sVtbl* lpVtbl;\n", iface->name);
909 fprintf(header, "};\n");
910 fprintf(header, "\n");
911 fprintf(header, "#ifdef COBJMACROS\n");
912 write_method_macro(iface, iface->name);
913 fprintf(header, "#endif\n");
914 fprintf(header, "\n");
915 fprintf(header, "#endif\n");
916 fprintf(header, "\n");
917 write_method_proto(iface);
918 fprintf(header,"\n#endif /* __%s_INTERFACE_DEFINED__ */\n\n", iface->name);
919 }
920
921 static void write_rpc_interface(const type_t *iface)
922 {
923 unsigned long ver = get_attrv(iface->attrs, ATTR_VERSION);
924 const char *var = get_attrp(iface->attrs, ATTR_IMPLICIT_HANDLE);
925 static int allocate_written = 0;
926
927 if (!allocate_written)
928 {
929 allocate_written = 1;
930 fprintf(header, "void * __RPC_USER MIDL_user_allocate(size_t);\n");
931 fprintf(header, "void __RPC_USER MIDL_user_free(void *);\n\n");
932 }
933
934 fprintf(header, "/*****************************************************************************\n");
935 fprintf(header, " * %s interface (v%d.%d)\n", iface->name, LOWORD(ver), HIWORD(ver));
936 fprintf(header, " */\n");
937 fprintf(header,"#ifndef __%s_INTERFACE_DEFINED__\n", iface->name);
938 fprintf(header,"#define __%s_INTERFACE_DEFINED__\n\n", iface->name);
939 if (iface->funcs)
940 {
941 write_iface_guid(iface);
942 if (var) fprintf(header, "extern handle_t %s;\n", var);
943 if (old_names)
944 {
945 fprintf(header, "extern RPC_IF_HANDLE %s_ClientIfHandle;\n", iface->name);
946 fprintf(header, "extern RPC_IF_HANDLE %s_ServerIfHandle;\n", iface->name);
947 }
948 else
949 {
950 fprintf(header, "extern RPC_IF_HANDLE %s_v%d_%d_c_ifspec;\n", iface->name, LOWORD(ver), HIWORD(ver));
951 fprintf(header, "extern RPC_IF_HANDLE %s_v%d_%d_s_ifspec;\n", iface->name, LOWORD(ver), HIWORD(ver));
952 }
953 write_function_proto(iface);
954 }
955 fprintf(header,"\n#endif /* __%s_INTERFACE_DEFINED__ */\n\n", iface->name);
956
957 /* FIXME: server/client code */
958 }
959
960 void write_interface(type_t *iface)
961 {
962 if (is_object(iface->attrs))
963 write_com_interface(iface);
964 else
965 write_rpc_interface(iface);
966 }
967
968 void write_dispinterface(type_t *iface)
969 {
970 fprintf(header, "/*****************************************************************************\n");
971 fprintf(header, " * %s dispinterface\n", iface->name);
972 fprintf(header, " */\n");
973 fprintf(header,"#ifndef __%s_DISPINTERFACE_DEFINED__\n", iface->name);
974 fprintf(header,"#define __%s_DISPINTERFACE_DEFINED__\n\n", iface->name);
975 write_dispiface_guid(iface);
976 write_forward(iface);
977 /* C++ interface */
978 fprintf(header, "#if defined(__cplusplus) && !defined(CINTERFACE)\n");
979 fprintf(header, "interface %s : public %s\n", iface->name, iface->ref->name);
980 fprintf(header, "{\n");
981 fprintf(header, "};\n");
982 fprintf(header, "#else\n");
983 /* C interface */
984 fprintf(header, "typedef struct %sVtbl {\n", iface->name);
985 indentation++;
986 fprintf(header, " BEGIN_INTERFACE\n");
987 fprintf(header, "\n");
988 write_c_disp_method_def(iface);
989 indentation--;
990 fprintf(header, " END_INTERFACE\n");
991 fprintf(header, "} %sVtbl;\n", iface->name);
992 fprintf(header, "interface %s {\n", iface->name);
993 fprintf(header, " const %sVtbl* lpVtbl;\n", iface->name);
994 fprintf(header, "};\n");
995 fprintf(header, "\n");
996 fprintf(header, "#ifdef COBJMACROS\n");
997 write_method_macro(iface->ref, iface->name);
998 fprintf(header, "#endif\n");
999 fprintf(header, "\n");
1000 fprintf(header, "#endif\n");
1001 fprintf(header, "\n");
1002 fprintf(header,"#endif /* __%s_DISPINTERFACE_DEFINED__ */\n\n", iface->name);
1003 }
1004
1005 void write_coclass(class_t *cocl)
1006 {
1007 fprintf(header, "/*****************************************************************************\n");
1008 fprintf(header, " * %s coclass\n", cocl->name);
1009 fprintf(header, " */\n\n");
1010 write_coclass_guid(cocl);
1011 fprintf(header, "\n");
1012 }
1013
1014 void write_coclass_forward(class_t *cocl)
1015 {
1016 fprintf(header, "#ifndef __%s_FWD_DEFINED__\n", cocl->name);
1017 fprintf(header, "#define __%s_FWD_DEFINED__\n", cocl->name);
1018 fprintf(header, "typedef struct %s %s;\n", cocl->name, cocl->name);
1019 fprintf(header, "#endif /* defined __%s_FWD_DEFINED__\n\n", cocl->name );
1020 }
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