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widl: Infrastructure for adding a prefix to local variable references.
[wine/multimedia.git] / tools / widl / proxy.c
blob32ff58a56e4bf16d7dc55c2c08f6057401feb213
1 /*
2 * IDL Compiler
3 *
4 * Copyright 2002 Ove Kaaven
5 * Copyright 2004 Mike McCormack
6 *
7 * This library is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU Lesser General Public
9 * License as published by the Free Software Foundation; either
10 * version 2.1 of the License, or (at your option) any later version.
11 *
12 * This library is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * Lesser General Public License for more details.
16 *
17 * You should have received a copy of the GNU Lesser General Public
18 * License along with this library; if not, write to the Free Software
19 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
20 */
21
22 #include "config.h"
23 #include "wine/port.h"
24
25 #include <stdio.h>
26 #include <stdlib.h>
27 #ifdef HAVE_UNISTD_H
28 # include <unistd.h>
29 #endif
30 #include <string.h>
31 #include <ctype.h>
32
33 #include "widl.h"
34 #include "utils.h"
35 #include "parser.h"
36 #include "header.h"
37 #include "typegen.h"
38 #include "expr.h"
39
40 #define END_OF_LIST(list) \
41 do { \
42 if (list) { \
43 while (NEXT_LINK(list)) \
44 list = NEXT_LINK(list); \
45 } \
46 } while(0)
47
48 static FILE* proxy;
49 static int indent = 0;
50
51 /* FIXME: support generation of stubless proxies */
52
53 static void print_proxy( const char *format, ... )
54 {
55 va_list va;
56 va_start( va, format );
57 print( proxy, indent, format, va );
58 va_end( va );
59 }
60
61 static void write_stubdescproto(void)
62 {
63 print_proxy( "static const MIDL_STUB_DESC Object_StubDesc;\n");
64 print_proxy( "\n");
65 }
66
67 static void write_stubdesc(int expr_eval_routines)
68 {
69 print_proxy( "static const MIDL_STUB_DESC Object_StubDesc =\n{\n");
70 indent++;
71 print_proxy( "0,\n");
72 print_proxy( "NdrOleAllocate,\n");
73 print_proxy( "NdrOleFree,\n");
74 print_proxy( "{0}, 0, 0, %s, 0,\n", expr_eval_routines ? "ExprEvalRoutines" : "0");
75 print_proxy( "__MIDL_TypeFormatString.Format,\n");
76 print_proxy( "1, /* -error bounds_check flag */\n");
77 print_proxy( "0x10001, /* Ndr library version */\n");
78 print_proxy( "0,\n");
79 print_proxy( "0x50100a4, /* MIDL Version 5.1.164 */\n");
80 print_proxy( "0,\n");
81 print_proxy("%s,\n", list_empty(&user_type_list) ? "0" : "UserMarshalRoutines");
82 print_proxy( "0, /* notify & notify_flag routine table */\n");
83 print_proxy( "1, /* Flags */\n");
84 print_proxy( "0, /* Reserved3 */\n");
85 print_proxy( "0, /* Reserved4 */\n");
86 print_proxy( "0 /* Reserved5 */\n");
87 indent--;
88 print_proxy( "};\n");
89 print_proxy( "\n");
90 }
91
92 static void init_proxy(const statement_list_t *stmts)
93 {
94 if (proxy) return;
95 if(!(proxy = fopen(proxy_name, "w")))
96 error("Could not open %s for output\n", proxy_name);
97 print_proxy( "/*** Autogenerated by WIDL %s from %s - Do not edit ***/\n", PACKAGE_VERSION, input_name);
98 print_proxy( "\n");
99 print_proxy( "#ifndef __REDQ_RPCPROXY_H_VERSION__\n");
100 print_proxy( "#define __REQUIRED_RPCPROXY_H_VERSION__ 440\n");
101 print_proxy( "#endif /* __REDQ_RPCPROXY_H_VERSION__ */\n");
102 print_proxy( "\n");
103 print_proxy( "#define __midl_proxy\n");
104 print_proxy( "#include \"objbase.h\"\n");
105 print_proxy( "#include \"rpcproxy.h\"\n");
106 print_proxy( "#ifndef __RPCPROXY_H_VERSION__\n");
107 print_proxy( "#error This code needs a newer version of rpcproxy.h\n");
108 print_proxy( "#endif /* __RPCPROXY_H_VERSION__ */\n");
109 print_proxy( "\n");
110 print_proxy( "#include \"%s\"\n", header_name);
111 print_proxy( "\n");
112 write_exceptions( proxy );
113 print_proxy( "\n");
114 print_proxy( "struct __proxy_frame\n");
115 print_proxy( "{\n");
116 print_proxy( " __DECL_EXCEPTION_FRAME;\n");
117 print_proxy( " MIDL_STUB_MESSAGE _StubMsg;\n");
118 print_proxy( " void *This;\n");
119 print_proxy( "};\n");
120 print_proxy( "\n");
121 print_proxy( "struct __stub_frame\n");
122 print_proxy( "{\n");
123 print_proxy( " __DECL_EXCEPTION_FRAME;\n");
124 print_proxy( " MIDL_STUB_MESSAGE _StubMsg;\n");
125 print_proxy( "};\n");
126 print_proxy( "\n");
127 print_proxy("static int __proxy_filter( struct __proxy_frame *__frame )\n");
128 print_proxy( "{\n");
129 print_proxy( " return (__frame->_StubMsg.dwStubPhase != PROXY_SENDRECEIVE);\n");
130 print_proxy( "}\n");
131 print_proxy( "\n");
132 print_proxy("static void __stub_finally( struct __stub_frame *__frame )\n");
133 print_proxy( "{\n");
134 print_proxy( "}\n");
135 print_proxy( "\n");
136 write_formatstringsdecl(proxy, indent, stmts, need_proxy);
137 write_stubdescproto();
138 }
139
140 static void clear_output_vars( const var_list_t *args )
141 {
142 const var_t *arg;
143
144 if (!args) return;
145 LIST_FOR_EACH_ENTRY( arg, args, const var_t, entry )
146 {
147 if (is_attr(arg->attrs, ATTR_OUT) && !is_attr(arg->attrs, ATTR_IN)) {
148 print_proxy( "if(%s)\n", arg->name );
149 indent++;
150 print_proxy( "MIDL_memset( %s, 0, sizeof( *%s ));\n", arg->name, arg->name );
151 indent--;
152 }
153 }
154 }
155
156 int is_var_ptr(const var_t *v)
157 {
158 return is_ptr(v->type);
159 }
160
161 int cant_be_null(const var_t *v)
162 {
163 /* Search backwards for the most recent pointer attribute. */
164 const attr_list_t *attrs = v->attrs;
165 const type_t *type = v->type;
166
167 /* context handles have their own checking so they can be null for the
168 * purposes of null ref pointer checking */
169 if (is_aliaschain_attr(type, ATTR_CONTEXTHANDLE))
170 return 0;
171
172 if (! attrs && type)
173 {
174 attrs = type->attrs;
175 type = type->ref;
176 }
177
178 while (attrs)
179 {
180 int t = get_attrv(attrs, ATTR_POINTERTYPE);
181
182 if (t == RPC_FC_FP || t == RPC_FC_OP || t == RPC_FC_UP)
183 return 0;
184
185 if (t == RPC_FC_RP)
186 return 1;
187
188 if (type)
189 {
190 attrs = type->attrs;
191 type = type->ref;
192 }
193 else
194 attrs = NULL;
195 }
196
197 return 1; /* Default is RPC_FC_RP. */
198 }
199
200 static void proxy_check_pointers( const var_list_t *args )
201 {
202 const var_t *arg;
203
204 if (!args) return;
205 LIST_FOR_EACH_ENTRY( arg, args, const var_t, entry )
206 {
207 if (is_var_ptr(arg) && cant_be_null(arg)) {
208 print_proxy( "if(!%s)\n", arg->name );
209 indent++;
210 print_proxy( "RpcRaiseException(RPC_X_NULL_REF_POINTER);\n");
211 indent--;
212 }
213 }
214 }
215
216 static void free_variable( const var_t *arg, const char *local_var_prefix )
217 {
218 unsigned int type_offset = arg->type->typestring_offset;
219 expr_t *iid;
220 type_t *type = arg->type;
221 expr_t *size = get_size_is_expr(type, arg->name);
222
223 if (size)
224 {
225 print_proxy( "__frame->_StubMsg.MaxCount = " );
226 write_expr(proxy, size, 0, 1, NULL, NULL, local_var_prefix);
227 fprintf(proxy, ";\n\n");
228 print_proxy( "NdrClearOutParameters( &__frame->_StubMsg, ");
229 fprintf(proxy, "&__MIDL_TypeFormatString.Format[%u], ", type_offset );
230 fprintf(proxy, "(void*)%s );\n", arg->name );
231 return;
232 }
233
234 switch( type->type )
235 {
236 case RPC_FC_BYTE:
237 case RPC_FC_CHAR:
238 case RPC_FC_WCHAR:
239 case RPC_FC_SHORT:
240 case RPC_FC_USHORT:
241 case RPC_FC_ENUM16:
242 case RPC_FC_LONG:
243 case RPC_FC_ULONG:
244 case RPC_FC_ENUM32:
245 case RPC_FC_STRUCT:
246 break;
247
248 case RPC_FC_FP:
249 case RPC_FC_IP:
250 iid = get_attrp( arg->attrs, ATTR_IIDIS );
251 if( iid )
252 {
253 print_proxy( "__frame->_StubMsg.MaxCount = (unsigned long) " );
254 write_expr(proxy, iid, 1, 1, NULL, NULL, local_var_prefix);
255 print_proxy( ";\n\n" );
256 }
257 print_proxy( "NdrClearOutParameters( &__frame->_StubMsg, ");
258 fprintf(proxy, "&__MIDL_TypeFormatString.Format[%u], ", type_offset );
259 fprintf(proxy, "(void*)%s );\n", arg->name );
260 break;
261
262 default:
263 print_proxy("/* FIXME: %s code for %s type %d missing */\n", __FUNCTION__, arg->name, type->type );
264 }
265 }
266
267 static void proxy_free_variables( var_list_t *args, const char *local_var_prefix )
268 {
269 const var_t *arg;
270
271 if (!args) return;
272 LIST_FOR_EACH_ENTRY( arg, args, const var_t, entry )
273 if (is_attr(arg->attrs, ATTR_OUT))
274 {
275 free_variable( arg, local_var_prefix );
276 fprintf(proxy, "\n");
277 }
278 }
279
280 static void gen_proxy(type_t *iface, const func_t *cur, int idx,
281 unsigned int proc_offset)
282 {
283 var_t *def = cur->def;
284 int has_ret = !is_void(get_func_return_type(cur));
285 int has_full_pointer = is_full_pointer_function(cur);
286 const char *callconv = get_attrp(def->type->attrs, ATTR_CALLCONV);
287 if (!callconv) callconv = "";
288
289 indent = 0;
290 print_proxy( "static void __finally_%s_%s_Proxy( struct __proxy_frame *__frame )\n",
291 iface->name, get_name(def) );
292 print_proxy( "{\n");
293 indent++;
294 if (has_full_pointer) write_full_pointer_free(proxy, indent, cur);
295 print_proxy( "NdrProxyFreeBuffer( __frame->This, &__frame->_StubMsg );\n" );
296 indent--;
297 print_proxy( "}\n");
298 print_proxy( "\n");
299
300 write_type_decl_left(proxy, get_func_return_type(cur));
301 print_proxy( " %s %s_%s_Proxy(\n", callconv, iface->name, get_name(def));
302 write_args(proxy, cur->args, iface->name, 1, TRUE);
303 print_proxy( ")\n");
304 print_proxy( "{\n");
305 indent ++;
306 print_proxy( "struct __proxy_frame __f, * const __frame = &__f;\n" );
307 /* local variables */
308 if (has_ret) {
309 print_proxy( "" );
310 write_type_decl_left(proxy, get_func_return_type(cur));
311 print_proxy( " _RetVal;\n");
312 }
313 print_proxy( "RPC_MESSAGE _RpcMessage;\n" );
314 if (has_ret) {
315 if (decl_indirect(get_func_return_type(cur)))
316 print_proxy("void *_p_%s = &%s;\n",
317 "_RetVal", "_RetVal");
318 }
319 print_proxy( "\n");
320
321 print_proxy( "RpcExceptionInit( __proxy_filter, __finally_%s_%s_Proxy );\n", iface->name, get_name(def) );
322 print_proxy( "__frame->This = This;\n" );
323
324 if (has_full_pointer)
325 write_full_pointer_init(proxy, indent, cur, FALSE);
326
327 /* FIXME: trace */
328 clear_output_vars( cur->args );
329
330 print_proxy( "RpcTryExcept\n" );
331 print_proxy( "{\n" );
332 indent++;
333 print_proxy( "NdrProxyInitialize(This, &_RpcMessage, &__frame->_StubMsg, &Object_StubDesc, %d);\n", idx);
334 proxy_check_pointers( cur->args );
335
336 print_proxy( "RpcTryFinally\n" );
337 print_proxy( "{\n" );
338 indent++;
339
340 write_remoting_arguments(proxy, indent, cur, "", PASS_IN, PHASE_BUFFERSIZE);
341
342 print_proxy( "NdrProxyGetBuffer(This, &__frame->_StubMsg);\n" );
343
344 write_remoting_arguments(proxy, indent, cur, "", PASS_IN, PHASE_MARSHAL);
345
346 print_proxy( "NdrProxySendReceive(This, &__frame->_StubMsg);\n" );
347 fprintf(proxy, "\n");
348 print_proxy( "__frame->_StubMsg.BufferStart = _RpcMessage.Buffer;\n" );
349 print_proxy( "__frame->_StubMsg.BufferEnd = __frame->_StubMsg.BufferStart + _RpcMessage.BufferLength;\n\n" );
350
351 print_proxy("if ((_RpcMessage.DataRepresentation & 0xffff) != NDR_LOCAL_DATA_REPRESENTATION)\n");
352 indent++;
353 print_proxy("NdrConvert( &__frame->_StubMsg, &__MIDL_ProcFormatString.Format[%u]);\n", proc_offset );
354 indent--;
355 fprintf(proxy, "\n");
356
357 write_remoting_arguments(proxy, indent, cur, "", PASS_OUT, PHASE_UNMARSHAL);
358
359 if (has_ret)
360 {
361 if (decl_indirect(get_func_return_type(cur)))
362 print_proxy("MIDL_memset(&%s, 0, sizeof(%s));\n", "_RetVal", "_RetVal");
363 else if (is_ptr(get_func_return_type(cur)) || is_array(get_func_return_type(cur)))
364 print_proxy("%s = 0;\n", "_RetVal");
365 write_remoting_arguments(proxy, indent, cur, "", PASS_RETURN, PHASE_UNMARSHAL);
366 }
367
368 indent--;
369 print_proxy( "}\n");
370 print_proxy( "RpcFinally\n" );
371 print_proxy( "{\n" );
372 indent++;
373 print_proxy( "__finally_%s_%s_Proxy( __frame );\n", iface->name, get_name(def) );
374 indent--;
375 print_proxy( "}\n");
376 print_proxy( "RpcEndFinally\n" );
377 indent--;
378 print_proxy( "}\n" );
379 print_proxy( "RpcExcept(__frame->_StubMsg.dwStubPhase != PROXY_SENDRECEIVE)\n" );
380 print_proxy( "{\n" );
381 if (has_ret) {
382 indent++;
383 proxy_free_variables( cur->args, "" );
384 print_proxy( "_RetVal = NdrProxyErrorHandler(RpcExceptionCode());\n" );
385 indent--;
386 }
387 print_proxy( "}\n" );
388 print_proxy( "RpcEndExcept\n" );
389
390 if (has_ret) {
391 print_proxy( "return _RetVal;\n" );
392 }
393 indent--;
394 print_proxy( "}\n");
395 print_proxy( "\n");
396 }
397
398 static void gen_stub(type_t *iface, const func_t *cur, const char *cas,
399 unsigned int proc_offset)
400 {
401 var_t *def = cur->def;
402 const var_t *arg;
403 int has_ret = !is_void(get_func_return_type(cur));
404 int has_full_pointer = is_full_pointer_function(cur);
405
406 indent = 0;
407 print_proxy( "void __RPC_STUB %s_%s_Stub(\n", iface->name, get_name(def));
408 indent++;
409 print_proxy( "IRpcStubBuffer* This,\n");
410 print_proxy( "IRpcChannelBuffer *_pRpcChannelBuffer,\n");
411 print_proxy( "PRPC_MESSAGE _pRpcMessage,\n");
412 print_proxy( "DWORD* _pdwStubPhase)\n");
413 indent--;
414 print_proxy( "{\n");
415 indent++;
416 print_proxy( "struct __stub_frame __f, * const __frame = &__f;\n" );
417 print_proxy("%s * _This = (%s*)((CStdStubBuffer*)This)->pvServerObject;\n", iface->name, iface->name);
418 declare_stub_args( proxy, indent, cur );
419 fprintf(proxy, "\n");
420
421 /* FIXME: trace */
422
423 print_proxy("NdrStubInitialize(_pRpcMessage, &__frame->_StubMsg, &Object_StubDesc, _pRpcChannelBuffer);\n");
424 fprintf(proxy, "\n");
425 print_proxy( "RpcExceptionInit( 0, __stub_finally );\n" );
426
427 write_parameters_init(proxy, indent, cur, "");
428
429 print_proxy("RpcTryFinally\n");
430 print_proxy("{\n");
431 indent++;
432 if (has_full_pointer)
433 write_full_pointer_init(proxy, indent, cur, TRUE);
434 print_proxy("if ((_pRpcMessage->DataRepresentation & 0xffff) != NDR_LOCAL_DATA_REPRESENTATION)\n");
435 indent++;
436 print_proxy("NdrConvert( &__frame->_StubMsg, &__MIDL_ProcFormatString.Format[%u]);\n", proc_offset );
437 indent--;
438 fprintf(proxy, "\n");
439
440 write_remoting_arguments(proxy, indent, cur, "", PASS_IN, PHASE_UNMARSHAL);
441 fprintf(proxy, "\n");
442
443 assign_stub_out_args( proxy, indent, cur, "" );
444
445 print_proxy("*_pdwStubPhase = STUB_CALL_SERVER;\n");
446 fprintf(proxy, "\n");
447 print_proxy("");
448 if (has_ret) fprintf(proxy, "_RetVal = ");
449 if (cas) fprintf(proxy, "%s_%s_Stub", iface->name, cas);
450 else fprintf(proxy, "_This->lpVtbl->%s", get_name(def));
451 fprintf(proxy, "(_This");
452
453 if (cur->args)
454 {
455 LIST_FOR_EACH_ENTRY( arg, cur->args, const var_t, entry )
456 fprintf(proxy, ", %s%s", arg->type->declarray ? "*" : "", get_name(arg));
457 }
458 fprintf(proxy, ");\n");
459 fprintf(proxy, "\n");
460 print_proxy("*_pdwStubPhase = STUB_MARSHAL;\n");
461 fprintf(proxy, "\n");
462
463 write_remoting_arguments(proxy, indent, cur, "", PASS_OUT, PHASE_BUFFERSIZE);
464
465 if (!is_void(get_func_return_type(cur)))
466 write_remoting_arguments(proxy, indent, cur, "", PASS_RETURN, PHASE_BUFFERSIZE);
467
468 print_proxy("NdrStubGetBuffer(This, _pRpcChannelBuffer, &__frame->_StubMsg);\n");
469
470 write_remoting_arguments(proxy, indent, cur, "", PASS_OUT, PHASE_MARSHAL);
471 fprintf(proxy, "\n");
472
473 /* marshall the return value */
474 if (!is_void(get_func_return_type(cur)))
475 write_remoting_arguments(proxy, indent, cur, "", PASS_RETURN, PHASE_MARSHAL);
476
477 indent--;
478 print_proxy("}\n");
479 print_proxy("RpcFinally\n");
480 print_proxy("{\n");
481
482 write_remoting_arguments(proxy, indent+1, cur, "", PASS_OUT, PHASE_FREE);
483
484 if (has_full_pointer)
485 write_full_pointer_free(proxy, indent, cur);
486
487 print_proxy("}\n");
488 print_proxy("RpcEndFinally\n");
489
490 print_proxy("_pRpcMessage->BufferLength = __frame->_StubMsg.Buffer - (unsigned char *)_pRpcMessage->Buffer;\n");
491 indent--;
492
493 print_proxy("}\n");
494 print_proxy("\n");
495 }
496
497 static int write_proxy_methods(type_t *iface, int skip)
498 {
499 const func_t *cur;
500 int i = 0;
501
502 if (iface->ref) i = write_proxy_methods(iface->ref, iface->ref->ref != NULL);
503 if (iface->funcs) LIST_FOR_EACH_ENTRY( cur, iface->funcs, const func_t, entry ) {
504 var_t *def = cur->def;
505 if (!is_callas(def->attrs)) {
506 if (i) fprintf(proxy, ",\n");
507 if (skip) print_proxy( "0 /* %s_%s_Proxy */", iface->name, get_name(def));
508 else print_proxy( "%s_%s_Proxy", iface->name, get_name(def));
509 i++;
510 }
511 }
512 return i;
513 }
514
515 static int write_stub_methods(type_t *iface, int skip)
516 {
517 const func_t *cur;
518 int i = 0;
519
520 if (iface->ref) i = write_stub_methods(iface->ref, TRUE);
521 else return i; /* skip IUnknown */
522
523 if (iface->funcs) LIST_FOR_EACH_ENTRY( cur, iface->funcs, const func_t, entry ) {
524 var_t *def = cur->def;
525 if (!is_local(def->attrs)) {
526 if (i) fprintf(proxy,",\n");
527 if (skip) print_proxy("STUB_FORWARDING_FUNCTION");
528 else print_proxy( "%s_%s_Stub", iface->name, get_name(def));
529 i++;
530 }
531 }
532 return i;
533 }
534
535 static void write_proxy(type_t *iface, unsigned int *proc_offset)
536 {
537 int midx = -1, stubs;
538 const func_t *cur;
539
540 if (!iface->funcs) return;
541
542 /* FIXME: check for [oleautomation], shouldn't generate proxies/stubs if specified */
543
544 fprintf(proxy, "/*****************************************************************************\n");
545 fprintf(proxy, " * %s interface\n", iface->name);
546 fprintf(proxy, " */\n");
547 LIST_FOR_EACH_ENTRY( cur, iface->funcs, const func_t, entry )
548 {
549 const var_t *def = cur->def;
550 if (!is_local(def->attrs)) {
551 const var_t *cas = is_callas(def->attrs);
552 const char *cname = cas ? cas->name : NULL;
553 int idx = cur->idx;
554 if (cname) {
555 const func_t *m;
556 LIST_FOR_EACH_ENTRY( m, iface->funcs, const func_t, entry )
557 if (!strcmp(m->def->name, cname))
558 {
559 idx = m->idx;
560 break;
561 }
562 }
563 gen_proxy(iface, cur, idx, *proc_offset);
564 gen_stub(iface, cur, cname, *proc_offset);
565 *proc_offset += get_size_procformatstring_func( cur );
566 if (midx == -1) midx = idx;
567 else if (midx != idx) error("method index mismatch in write_proxy\n");
568 midx++;
569 }
570 }
571
572 /* proxy vtable */
573 print_proxy( "static const CINTERFACE_PROXY_VTABLE(%d) _%sProxyVtbl =\n", midx, iface->name);
574 print_proxy( "{\n");
575 indent++;
576 print_proxy( "{\n", iface->name);
577 indent++;
578 print_proxy( "&IID_%s,\n", iface->name);
579 indent--;
580 print_proxy( "},\n");
581 print_proxy( "{\n");
582 indent++;
583 write_proxy_methods(iface, FALSE);
584 fprintf(proxy, "\n");
585 indent--;
586 print_proxy( "}\n");
587 indent--;
588 print_proxy( "};\n");
589 fprintf(proxy, "\n\n");
590
591 /* stub vtable */
592 print_proxy( "static const PRPC_STUB_FUNCTION %s_table[] =\n", iface->name);
593 print_proxy( "{\n");
594 indent++;
595 stubs = write_stub_methods(iface, FALSE);
596 fprintf(proxy, "\n");
597 indent--;
598 fprintf(proxy, "};\n");
599 print_proxy( "\n");
600 print_proxy( "static const CInterfaceStubVtbl _%sStubVtbl =\n", iface->name);
601 print_proxy( "{\n");
602 indent++;
603 print_proxy( "{\n");
604 indent++;
605 print_proxy( "&IID_%s,\n", iface->name);
606 print_proxy( "0,\n");
607 print_proxy( "%d,\n", stubs+3);
608 print_proxy( "&%s_table[-3],\n", iface->name);
609 indent--;
610 print_proxy( "},\n", iface->name);
611 print_proxy( "{\n");
612 indent++;
613 print_proxy( "CStdStubBuffer_METHODS\n");
614 indent--;
615 print_proxy( "}\n");
616 indent--;
617 print_proxy( "};\n");
618 print_proxy( "\n");
619 }
620
621 static int does_any_iface(const statement_list_t *stmts, type_pred_t pred)
622 {
623 const statement_t *stmt;
624
625 if (stmts)
626 LIST_FOR_EACH_ENTRY(stmt, stmts, const statement_t, entry)
627 {
628 if (stmt->type == STMT_LIBRARY)
629 {
630 if (does_any_iface(stmt->u.lib->stmts, pred))
631 return TRUE;
632 }
633 else if (stmt->type == STMT_TYPE && stmt->u.type->type == RPC_FC_IP)
634 {
635 if (pred(stmt->u.type))
636 return TRUE;
637 }
638 }
639
640 return FALSE;
641 }
642
643 int need_proxy(const type_t *iface)
644 {
645 return is_object(iface->attrs) && !is_local(iface->attrs);
646 }
647
648 int need_stub(const type_t *iface)
649 {
650 return !is_object(iface->attrs) && !is_local(iface->attrs);
651 }
652
653 int need_proxy_file(const statement_list_t *stmts)
654 {
655 return does_any_iface(stmts, need_proxy);
656 }
657
658 int need_stub_files(const statement_list_t *stmts)
659 {
660 return does_any_iface(stmts, need_stub);
661 }
662
663 static void write_proxy_stmts(const statement_list_t *stmts, unsigned int *proc_offset)
664 {
665 const statement_t *stmt;
666 if (stmts) LIST_FOR_EACH_ENTRY( stmt, stmts, const statement_t, entry )
667 {
668 if (stmt->type == STMT_LIBRARY)
669 write_proxy_stmts(stmt->u.lib->stmts, proc_offset);
670 else if (stmt->type == STMT_TYPE && stmt->u.type->type == RPC_FC_IP)
671 {
672 if (need_proxy(stmt->u.type))
673 write_proxy(stmt->u.type, proc_offset);
674 }
675 }
676 }
677
678 static void write_proxy_iface_name_format(const statement_list_t *stmts, const char *format)
679 {
680 const statement_t *stmt;
681 if (stmts) LIST_FOR_EACH_ENTRY( stmt, stmts, const statement_t, entry )
682 {
683 if (stmt->type == STMT_LIBRARY)
684 write_proxy_iface_name_format(stmt->u.lib->stmts, format);
685 else if (stmt->type == STMT_TYPE && stmt->u.type->type == RPC_FC_IP)
686 {
687 type_t *iface = stmt->u.type;
688 if (iface->ref && iface->funcs && need_proxy(iface))
689 fprintf(proxy, format, iface->name);
690 }
691 }
692 }
693
694 static void write_iid_lookup(const statement_list_t *stmts, const char *file_id, int *c)
695 {
696 const statement_t *stmt;
697 if (stmts) LIST_FOR_EACH_ENTRY( stmt, stmts, const statement_t, entry )
698 {
699 if (stmt->type == STMT_LIBRARY)
700 write_iid_lookup(stmt->u.lib->stmts, file_id, c);
701 else if (stmt->type == STMT_TYPE && stmt->u.type->type == RPC_FC_IP)
702 {
703 type_t *iface = stmt->u.type;
704 if(iface->ref && iface->funcs && need_proxy(iface))
705 {
706 fprintf(proxy, " if (!_%s_CHECK_IID(%d))\n", file_id, *c);
707 fprintf(proxy, " {\n");
708 fprintf(proxy, " *pIndex = %d;\n", *c);
709 fprintf(proxy, " return 1;\n");
710 fprintf(proxy, " }\n");
711 (*c)++;
712 }
713 }
714 }
715 }
716
717 void write_proxies(const statement_list_t *stmts)
718 {
719 int expr_eval_routines;
720 char *file_id = proxy_token;
721 int c;
722 unsigned int proc_offset = 0;
723
724 if (!do_proxies) return;
725 if (do_everything && !need_proxy_file(stmts)) return;
726
727 init_proxy(stmts);
728 if(!proxy) return;
729
730 write_proxy_stmts(stmts, &proc_offset);
731
732 expr_eval_routines = write_expr_eval_routines(proxy, proxy_token);
733 if (expr_eval_routines)
734 write_expr_eval_routine_list(proxy, proxy_token);
735 write_user_quad_list(proxy);
736 write_stubdesc(expr_eval_routines);
737
738 print_proxy( "#if !defined(__RPC_WIN32__)\n");
739 print_proxy( "#error Currently only Wine and WIN32 are supported.\n");
740 print_proxy( "#endif\n");
741 print_proxy( "\n");
742 write_procformatstring(proxy, stmts, need_proxy);
743 write_typeformatstring(proxy, stmts, need_proxy);
744
745 fprintf(proxy, "static const CInterfaceProxyVtbl* const _%s_ProxyVtblList[] =\n", file_id);
746 fprintf(proxy, "{\n");
747 write_proxy_iface_name_format(stmts, " (const CInterfaceProxyVtbl*)&_%sProxyVtbl,\n");
748 fprintf(proxy, " 0\n");
749 fprintf(proxy, "};\n");
750 fprintf(proxy, "\n");
751
752 fprintf(proxy, "static const CInterfaceStubVtbl* const _%s_StubVtblList[] =\n", file_id);
753 fprintf(proxy, "{\n");
754 write_proxy_iface_name_format(stmts, " (const CInterfaceStubVtbl*)&_%sStubVtbl,\n");
755 fprintf(proxy, " 0\n");
756 fprintf(proxy, "};\n");
757 fprintf(proxy, "\n");
758
759 fprintf(proxy, "static PCInterfaceName const _%s_InterfaceNamesList[] =\n", file_id);
760 fprintf(proxy, "{\n");
761 write_proxy_iface_name_format(stmts, " \"%s\",\n");
762 fprintf(proxy, " 0\n");
763 fprintf(proxy, "};\n");
764 fprintf(proxy, "\n");
765
766 fprintf(proxy, "#define _%s_CHECK_IID(n) IID_GENERIC_CHECK_IID(_%s, pIID, n)\n", file_id, file_id);
767 fprintf(proxy, "\n");
768 fprintf(proxy, "int __stdcall _%s_IID_Lookup(const IID* pIID, int* pIndex)\n", file_id);
769 fprintf(proxy, "{\n");
770 c = 0;
771 write_iid_lookup(stmts, file_id, &c);
772 fprintf(proxy, " return 0;\n");
773 fprintf(proxy, "}\n");
774 fprintf(proxy, "\n");
775
776 fprintf(proxy, "const ExtendedProxyFileInfo %s_ProxyFileInfo =\n", file_id);
777 fprintf(proxy, "{\n");
778 fprintf(proxy, " (const PCInterfaceProxyVtblList*)&_%s_ProxyVtblList,\n", file_id);
779 fprintf(proxy, " (const PCInterfaceStubVtblList*)&_%s_StubVtblList,\n", file_id);
780 fprintf(proxy, " _%s_InterfaceNamesList,\n", file_id);
781 fprintf(proxy, " 0,\n");
782 fprintf(proxy, " &_%s_IID_Lookup,\n", file_id);
783 fprintf(proxy, " %d,\n", c);
784 fprintf(proxy, " 1,\n");
785 fprintf(proxy, " 0,\n");
786 fprintf(proxy, " 0,\n");
787 fprintf(proxy, " 0,\n");
788 fprintf(proxy, " 0\n");
789 fprintf(proxy, "};\n");
790
791 fclose(proxy);
792 }
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