huwcampbell.com
Reactos
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
24#include <stdio.h>
25#include <stdlib.h>
26#include <string.h>
27#include <ctype.h>
28
29#include "widl.h"
30#include "utils.h"
31#include "parser.h"
32#include "header.h"
33#include "typegen.h"
34#include "expr.h"
35
36static FILE* proxy;
37static int indent = 0;
38
39static void print_proxy( const char *format, ... ) __attribute__((format (printf, 1, 2)));
40static void print_proxy( const char *format, ... )
41{
42 va_list va;
43 va_start( va, format );
44 print( proxy, indent, format, va );
45 va_end( va );
46}
47
48static void write_stubdescproto(void)
49{
50 print_proxy( "static const MIDL_STUB_DESC Object_StubDesc;\n");
51 print_proxy( "\n");
52}
53
54static void write_stubdesc(int expr_eval_routines)
55{
56 print_proxy( "static const MIDL_STUB_DESC Object_StubDesc =\n{\n");
57 indent++;
58 print_proxy( "0,\n");
59 print_proxy( "NdrOleAllocate,\n");
60 print_proxy( "NdrOleFree,\n");
61 print_proxy( "{0}, 0, 0, %s, 0,\n", expr_eval_routines ? "ExprEvalRoutines" : "0");
62 print_proxy( "__MIDL_TypeFormatString.Format,\n");
63 print_proxy( "1, /* -error bounds_check flag */\n");
64 print_proxy( "0x%x, /* Ndr library version */\n", interpreted_mode ? 0x50002 : 0x10001);
65 print_proxy( "0,\n");
66 print_proxy( "0x50200ca, /* MIDL Version 5.2.202 */\n");
67 print_proxy( "0,\n");
68 print_proxy("%s,\n", list_empty(&user_type_list) ? "0" : "UserMarshalRoutines");
69 print_proxy( "0, /* notify & notify_flag routine table */\n");
70 print_proxy( "1, /* Flags */\n");
71 print_proxy( "0, /* Reserved3 */\n");
72 print_proxy( "0, /* Reserved4 */\n");
73 print_proxy( "0 /* Reserved5 */\n");
74 indent--;
75 print_proxy( "};\n");
76 print_proxy( "\n");
77}
78
79static void init_proxy(const statement_list_t *stmts)
80{
81 if (proxy) return;
82 if(!(proxy = fopen(proxy_name, "w")))
83 error("Could not open %s for output\n", proxy_name);
84 print_proxy( "/*** Autogenerated by WIDL %s from %s - Do not edit ***/\n", PACKAGE_VERSION, input_name);
85 print_proxy( "\n");
86#ifdef __REACTOS__
87 print_proxy( "#define __midl_proxy\n\n");
88 print_proxy( "#ifdef __REACTOS__\n");
89 print_proxy( "#define WIN32_NO_STATUS\n");
90 print_proxy( "#define WIN32_LEAN_AND_MEAN\n");
91 print_proxy( "#endif\n\n");
92#else
93 print_proxy( "#define __midl_proxy\n");
94#endif
95 print_proxy( "#include \"objbase.h\"\n");
96 print_proxy( "\n");
97}
98
99static void clear_output_vars( const var_list_t *args )
100{
101 const var_t *arg;
102
103 if (!args) return;
104 LIST_FOR_EACH_ENTRY( arg, args, const var_t, entry )
105 {
106 if (is_attr(arg->attrs, ATTR_IN)) continue;
107 if (!is_attr(arg->attrs, ATTR_OUT)) continue;
108 if (is_ptr(arg->declspec.type))
109 {
110 if (type_get_type(type_pointer_get_ref_type(arg->declspec.type)) == TYPE_BASIC) continue;
111 if (type_get_type(type_pointer_get_ref_type(arg->declspec.type)) == TYPE_ENUM) continue;
112 }
113 print_proxy( "if (%s) MIDL_memset( %s, 0, ", arg->name, arg->name );
114 if (is_array(arg->declspec.type) && type_array_has_conformance(arg->declspec.type))
115 {
116 write_expr( proxy, type_array_get_conformance(arg->declspec.type), 1, 1, NULL, NULL, "" );
117 fprintf( proxy, " * " );
118 }
119 fprintf( proxy, "sizeof( *%s ));\n", arg->name );
120 }
121}
122
123static int need_delegation(const type_t *iface)
124{
125 const type_t *parent = type_iface_get_inherit( iface );
126 return parent && type_iface_get_inherit(parent) && (parent->ignore || is_local( parent->attrs ));
127}
128
129static int get_delegation_indirect(const type_t *iface, const type_t ** delegate_to)
130{
131 const type_t * cur_iface;
132 for (cur_iface = iface; cur_iface != NULL; cur_iface = type_iface_get_inherit(cur_iface))
133 if (need_delegation(cur_iface))
134 {
135 if(delegate_to)
136 *delegate_to = type_iface_get_inherit(cur_iface);
137 return 1;
138 }
139 return 0;
140}
141
142static int need_delegation_indirect(const type_t *iface)
143{
144 return get_delegation_indirect(iface, NULL);
145}
146
147static void free_variable( const var_t *arg, const char *local_var_prefix )
148{
149 unsigned int type_offset = arg->typestring_offset;
150 type_t *type = arg->declspec.type;
151
152 write_parameter_conf_or_var_exprs(proxy, indent, local_var_prefix, PHASE_FREE, arg, FALSE);
153
154 switch (typegen_detect_type(type, arg->attrs, TDT_IGNORE_STRINGS))
155 {
156 case TGT_ENUM:
157 case TGT_BASIC:
158 break;
159
160 case TGT_STRUCT:
161 if (get_struct_fc(type) != FC_STRUCT)
162 print_proxy("/* FIXME: %s code for %s struct type 0x%x missing */\n", __FUNCTION__, arg->name, get_struct_fc(type) );
163 break;
164
165 case TGT_IFACE_POINTER:
166 case TGT_POINTER:
167 case TGT_ARRAY:
168 print_proxy( "NdrClearOutParameters( &__frame->_StubMsg, ");
169 fprintf(proxy, "&__MIDL_TypeFormatString.Format[%u], ", type_offset );
170 fprintf(proxy, "(void *)%s );\n", arg->name );
171 break;
172
173 default:
174 print_proxy("/* FIXME: %s code for %s type %d missing */\n", __FUNCTION__, arg->name, type_get_type(type) );
175 }
176}
177
178static void proxy_free_variables( var_list_t *args, const char *local_var_prefix )
179{
180 const var_t *arg;
181
182 if (!args) return;
183 LIST_FOR_EACH_ENTRY( arg, args, const var_t, entry )
184 if (is_attr(arg->attrs, ATTR_OUT))
185 {
186 free_variable( arg, local_var_prefix );
187 fprintf(proxy, "\n");
188 }
189}
190
191static void gen_proxy(type_t *iface, const var_t *func, int idx,
192 unsigned int proc_offset)
193{
194 var_t *retval = type_function_get_retval(func->declspec.type);
195 int has_ret = !is_void(retval->declspec.type);
196 int has_full_pointer = is_full_pointer_function(func);
197 const char *callconv = get_attrp(func->declspec.type->attrs, ATTR_CALLCONV);
198 const var_list_t *args = type_function_get_args(func->declspec.type);
199 if (!callconv) callconv = "STDMETHODCALLTYPE";
200
201 indent = 0;
202 if (is_interpreted_func( iface, func ))
203 {
204 if (!is_callas( func->attrs )) return;
205 write_type_decl_left(proxy, &retval->declspec);
206 print_proxy( " %s %s_%s_Proxy(\n", callconv, iface->name, get_name(func));
207 write_args(proxy, args, iface->name, 1, TRUE, NAME_DEFAULT);
208 print_proxy( ")\n");
209 write_client_call_routine( proxy, iface, func, "Object", proc_offset );
210 return;
211 }
212 print_proxy( "static void __finally_%s_%s_Proxy( struct __proxy_frame *__frame )\n",
213 iface->name, get_name(func) );
214 print_proxy( "{\n");
215 indent++;
216 if (has_full_pointer) write_full_pointer_free(proxy, indent, func);
217 print_proxy( "NdrProxyFreeBuffer( __frame->This, &__frame->_StubMsg );\n" );
218 indent--;
219 print_proxy( "}\n");
220 print_proxy( "\n");
221
222 write_type_decl_left(proxy, &retval->declspec);
223 print_proxy( " %s %s_%s_Proxy(\n", callconv, iface->name, get_name(func));
224 write_args(proxy, args, iface->name, 1, TRUE, NAME_DEFAULT);
225 print_proxy( ")\n");
226 print_proxy( "{\n");
227 indent ++;
228 print_proxy( "struct __proxy_frame __f, * const __frame = &__f;\n" );
229 /* local variables */
230 if (has_ret) {
231 print_proxy( "%s", "" );
232 write_type_decl(proxy, &retval->declspec, retval->name);
233 fprintf( proxy, ";\n" );
234 }
235 print_proxy( "RPC_MESSAGE _RpcMessage;\n" );
236 if (has_ret) {
237 if (decl_indirect(retval->declspec.type))
238 print_proxy("void *_p_%s = &%s;\n", retval->name, retval->name);
239 }
240 print_proxy( "\n");
241
242 print_proxy( "RpcExceptionInit( __proxy_filter, __finally_%s_%s_Proxy );\n", iface->name, get_name(func) );
243 print_proxy( "__frame->This = This;\n" );
244
245 if (has_full_pointer)
246 write_full_pointer_init(proxy, indent, func, FALSE);
247
248 /* FIXME: trace */
249 clear_output_vars( type_function_get_args(func->declspec.type) );
250
251 print_proxy( "RpcTryExcept\n" );
252 print_proxy( "{\n" );
253 indent++;
254 print_proxy( "NdrProxyInitialize(This, &_RpcMessage, &__frame->_StubMsg, &Object_StubDesc, %d);\n", idx);
255 write_pointer_checks( proxy, indent, func );
256
257 print_proxy( "RpcTryFinally\n" );
258 print_proxy( "{\n" );
259 indent++;
260
261 write_remoting_arguments(proxy, indent, func, "", PASS_IN, PHASE_BUFFERSIZE);
262
263 print_proxy( "NdrProxyGetBuffer(This, &__frame->_StubMsg);\n" );
264
265 write_remoting_arguments(proxy, indent, func, "", PASS_IN, PHASE_MARSHAL);
266
267 print_proxy( "NdrProxySendReceive(This, &__frame->_StubMsg);\n" );
268 fprintf(proxy, "\n");
269 print_proxy( "__frame->_StubMsg.BufferStart = _RpcMessage.Buffer;\n" );
270 print_proxy( "__frame->_StubMsg.BufferEnd = __frame->_StubMsg.BufferStart + _RpcMessage.BufferLength;\n\n" );
271
272 print_proxy("if ((_RpcMessage.DataRepresentation & 0xffff) != NDR_LOCAL_DATA_REPRESENTATION)\n");
273 indent++;
274 print_proxy("NdrConvert( &__frame->_StubMsg, &__MIDL_ProcFormatString.Format[%u]);\n", proc_offset );
275 indent--;
276 fprintf(proxy, "\n");
277
278 write_remoting_arguments(proxy, indent, func, "", PASS_OUT, PHASE_UNMARSHAL);
279
280 if (has_ret)
281 {
282 if (decl_indirect(retval->declspec.type))
283 print_proxy("MIDL_memset(&%s, 0, sizeof(%s));\n", retval->name, retval->name);
284 else if (is_ptr(retval->declspec.type) || is_array(retval->declspec.type))
285 print_proxy("%s = 0;\n", retval->name);
286 write_remoting_arguments(proxy, indent, func, "", PASS_RETURN, PHASE_UNMARSHAL);
287 }
288
289 indent--;
290 print_proxy( "}\n");
291 print_proxy( "RpcFinally\n" );
292 print_proxy( "{\n" );
293 indent++;
294 print_proxy( "__finally_%s_%s_Proxy( __frame );\n", iface->name, get_name(func) );
295 indent--;
296 print_proxy( "}\n");
297 print_proxy( "RpcEndFinally\n" );
298 indent--;
299 print_proxy( "}\n" );
300 print_proxy( "RpcExcept(__frame->_StubMsg.dwStubPhase != PROXY_SENDRECEIVE)\n" );
301 print_proxy( "{\n" );
302 if (has_ret) {
303 indent++;
304 proxy_free_variables( type_function_get_args(func->declspec.type), "" );
305 print_proxy( "/* coverity[uninit_use_in_call:SUPPRESS] */\n" );
306 print_proxy( "_RetVal = NdrProxyErrorHandler(RpcExceptionCode());\n" );
307 indent--;
308 }
309 print_proxy( "}\n" );
310 print_proxy( "RpcEndExcept\n" );
311
312 if (has_ret) {
313 print_proxy( "return _RetVal;\n" );
314 }
315 indent--;
316 print_proxy( "}\n");
317 print_proxy( "\n");
318}
319
320static void gen_stub(type_t *iface, const var_t *func, const char *cas,
321 unsigned int proc_offset)
322{
323 const var_t *arg;
324 int has_ret = !is_void(type_function_get_rettype(func->declspec.type));
325 int has_full_pointer = is_full_pointer_function(func);
326
327 if (is_interpreted_func( iface, func )) return;
328
329 indent = 0;
330 print_proxy( "struct __frame_%s_%s_Stub\n{\n", iface->name, get_name(func));
331 indent++;
332 print_proxy( "__DECL_EXCEPTION_FRAME\n" );
333 print_proxy( "MIDL_STUB_MESSAGE _StubMsg;\n");
334 print_proxy( "%s * _This;\n", iface->name );
335 declare_stub_args( proxy, indent, func );
336 indent--;
337 print_proxy( "};\n\n" );
338
339 print_proxy( "static void __finally_%s_%s_Stub(", iface->name, get_name(func) );
340 print_proxy( " struct __frame_%s_%s_Stub *__frame )\n{\n", iface->name, get_name(func) );
341 indent++;
342 write_remoting_arguments(proxy, indent, func, "__frame->", PASS_OUT, PHASE_FREE);
343 if (has_full_pointer)
344 write_full_pointer_free(proxy, indent, func);
345 indent--;
346 print_proxy( "}\n\n" );
347
348 print_proxy( "void __RPC_STUB %s_%s_Stub(\n", iface->name, get_name(func));
349 indent++;
350 print_proxy( "IRpcStubBuffer* This,\n");
351 print_proxy( "IRpcChannelBuffer *_pRpcChannelBuffer,\n");
352 print_proxy( "PRPC_MESSAGE _pRpcMessage,\n");
353 print_proxy( "DWORD* _pdwStubPhase)\n");
354 indent--;
355 print_proxy( "{\n");
356 indent++;
357 print_proxy( "struct __frame_%s_%s_Stub __f, * const __frame = &__f;\n\n",
358 iface->name, get_name(func) );
359
360 print_proxy("__frame->_This = (%s*)((CStdStubBuffer*)This)->pvServerObject;\n\n", iface->name);
361
362 /* FIXME: trace */
363
364 print_proxy("NdrStubInitialize(_pRpcMessage, &__frame->_StubMsg, &Object_StubDesc, _pRpcChannelBuffer);\n");
365 fprintf(proxy, "\n");
366 print_proxy( "RpcExceptionInit( 0, __finally_%s_%s_Stub );\n", iface->name, get_name(func) );
367
368 write_parameters_init(proxy, indent, func, "__frame->");
369
370 print_proxy("RpcTryFinally\n");
371 print_proxy("{\n");
372 indent++;
373 if (has_full_pointer)
374 write_full_pointer_init(proxy, indent, func, TRUE);
375 print_proxy("if ((_pRpcMessage->DataRepresentation & 0xffff) != NDR_LOCAL_DATA_REPRESENTATION)\n");
376 indent++;
377 print_proxy("NdrConvert( &__frame->_StubMsg, &__MIDL_ProcFormatString.Format[%u]);\n", proc_offset );
378 indent--;
379 fprintf(proxy, "\n");
380
381 write_remoting_arguments(proxy, indent, func, "__frame->", PASS_IN, PHASE_UNMARSHAL);
382 fprintf(proxy, "\n");
383
384 assign_stub_out_args( proxy, indent, func, "__frame->" );
385
386 print_proxy("*_pdwStubPhase = STUB_CALL_SERVER;\n");
387 fprintf(proxy, "\n");
388 print_proxy( "%s", has_ret ? "__frame->_RetVal = " : "" );
389 if (cas) fprintf(proxy, "%s_%s_Stub", iface->name, cas);
390 else fprintf(proxy, "__frame->_This->lpVtbl->%s", get_name(func));
391 fprintf(proxy, "(__frame->_This");
392
393 if (type_function_get_args(func->declspec.type))
394 {
395 LIST_FOR_EACH_ENTRY( arg, type_function_get_args(func->declspec.type), const var_t, entry )
396 fprintf(proxy, ", %s__frame->%s", is_array(arg->declspec.type) && !type_array_is_decl_as_ptr(arg->declspec.type) ? "*" :"" , arg->name);
397 }
398 fprintf(proxy, ");\n");
399 fprintf(proxy, "\n");
400 print_proxy("*_pdwStubPhase = STUB_MARSHAL;\n");
401 fprintf(proxy, "\n");
402
403 write_remoting_arguments(proxy, indent, func, "__frame->", PASS_OUT, PHASE_BUFFERSIZE);
404
405 if (!is_void(type_function_get_rettype(func->declspec.type)))
406 write_remoting_arguments(proxy, indent, func, "__frame->", PASS_RETURN, PHASE_BUFFERSIZE);
407
408 print_proxy("NdrStubGetBuffer(This, _pRpcChannelBuffer, &__frame->_StubMsg);\n");
409
410 write_remoting_arguments(proxy, indent, func, "__frame->", PASS_OUT, PHASE_MARSHAL);
411 fprintf(proxy, "\n");
412
413 /* marshall the return value */
414 if (!is_void(type_function_get_rettype(func->declspec.type)))
415 write_remoting_arguments(proxy, indent, func, "__frame->", PASS_RETURN, PHASE_MARSHAL);
416
417 indent--;
418 print_proxy("}\n");
419 print_proxy("RpcFinally\n");
420 print_proxy("{\n");
421 indent++;
422 print_proxy( "__finally_%s_%s_Stub( __frame );\n", iface->name, get_name(func) );
423 indent--;
424 print_proxy("}\n");
425 print_proxy("RpcEndFinally\n");
426
427 print_proxy("_pRpcMessage->BufferLength = __frame->_StubMsg.Buffer - (unsigned char *)_pRpcMessage->Buffer;\n");
428 indent--;
429
430 print_proxy("}\n");
431 print_proxy("\n");
432}
433
434static void gen_stub_thunk( type_t *iface, const var_t *func, unsigned int proc_offset )
435{
436 int has_ret = !is_void( type_function_get_rettype( func->declspec.type ));
437 const var_t *arg, *callas = is_callas( func->attrs );
438 const var_list_t *args = type_function_get_args( func->declspec.type );
439
440 indent = 0;
441 print_proxy( "void __RPC_API %s_%s_Thunk( PMIDL_STUB_MESSAGE pStubMsg )\n",
442 iface->name, get_name(func) );
443 print_proxy( "{\n");
444 indent++;
445 write_func_param_struct( proxy, iface, func->declspec.type,
446 "*pParamStruct = (struct _PARAM_STRUCT *)pStubMsg->StackTop", has_ret );
447 print_proxy( "%s%s_%s_Stub( pParamStruct->This",
448 has_ret ? "pParamStruct->_RetVal = " : "", iface->name, callas->name );
449 indent++;
450 if (args) LIST_FOR_EACH_ENTRY( arg, args, const var_t, entry )
451 {
452 fprintf( proxy, ",\n%*spParamStruct->%s", 4 * indent, "", arg->name );
453 }
454 fprintf( proxy, " );\n" );
455 indent--;
456 indent--;
457 print_proxy( "}\n\n");
458}
459
460int count_methods(const type_t *iface)
461{
462 const statement_t *stmt;
463 int count = 0;
464
465 if (type_iface_get_inherit(iface))
466 count = count_methods(type_iface_get_inherit(iface));
467
468 STATEMENTS_FOR_EACH_FUNC(stmt, type_iface_get_stmts(iface)) {
469 const var_t *func = stmt->u.var;
470 if (!is_callas(func->attrs)) count++;
471 }
472 return count;
473}
474
475const statement_t *get_callas_source(const type_t *iface, const var_t *def)
476{
477 const statement_t * source;
478 STATEMENTS_FOR_EACH_FUNC( source, type_iface_get_stmts(iface)) {
479 const var_t * cas = is_callas(source->u.var->attrs );
480 if (cas && !strcmp(def->name, cas->name))
481 return source;
482 }
483 return NULL;
484}
485
486#ifdef __REACTOS__ /* r57019 / c3be8a3 */
487static int write_proxy_procformatstring_offsets( const type_t *iface, int skip )
488#else
489static void write_proxy_procformatstring_offsets( const type_t *iface, int skip )
490#endif
491{
492 const statement_t *stmt;
493 int i = 0;
494
495 if (type_iface_get_inherit(iface))
496 i = write_proxy_procformatstring_offsets( type_iface_get_inherit(iface), need_delegation(iface));
497 else
498 return 0;
499
500 STATEMENTS_FOR_EACH_FUNC( stmt, type_iface_get_stmts(iface) )
501 {
502 const var_t *func = stmt->u.var;
503 int missing = 0;
504
505 if (is_callas(func->attrs)) continue;
506 if (is_local(func->attrs))
507 {
508 const statement_t * callas_source = get_callas_source(iface, func);
509 if (!callas_source)
510 missing = 1;
511 else
512 func = callas_source->u.var;
513 }
514 if (skip || missing)
515 print_proxy( "(unsigned short)-1, /* %s::%s */\n", iface->name, get_name(func));
516 else
517 print_proxy( "%u, /* %s::%s */\n", func->procstring_offset, iface->name, get_name(func));
518 i++;
519 }
520#ifdef __REACTOS__ /* r57019 / c3be8a3 */
521 return i;
522#endif
523}
524
525static int write_proxy_methods(type_t *iface, int skip)
526{
527 const statement_t *stmt;
528 int i = 0;
529
530 if (type_iface_get_inherit(iface))
531 i = write_proxy_methods(type_iface_get_inherit(iface),
532 need_delegation(iface));
533 STATEMENTS_FOR_EACH_FUNC(stmt, type_iface_get_stmts(iface)) {
534 const var_t *func = stmt->u.var;
535 if (!is_callas(func->attrs)) {
536 if (skip || (is_local(func->attrs) && !get_callas_source(iface, func)))
537 print_proxy( "0, /* %s::%s */\n", iface->name, get_name(func));
538 else if (is_interpreted_func( iface, func ) &&
539 !is_local( func->attrs ) &&
540 type_iface_get_inherit(iface))
541 print_proxy( "(void *)-1, /* %s::%s */\n", iface->name, get_name(func));
542 else
543 print_proxy( "%s_%s_Proxy,\n", iface->name, get_name(func));
544 i++;
545 }
546 }
547 return i;
548}
549
550static int write_stub_methods(type_t *iface, int skip)
551{
552 const statement_t *stmt;
553 int i = 0;
554
555 if (type_iface_get_inherit(iface))
556 i = write_stub_methods(type_iface_get_inherit(iface), need_delegation(iface));
557 else
558 return i; /* skip IUnknown */
559
560 STATEMENTS_FOR_EACH_FUNC(stmt, type_iface_get_stmts(iface)) {
561 const var_t *func = stmt->u.var;
562 if (!is_callas(func->attrs)) {
563 int missing = 0;
564 const char * fname = get_name(func);
565 if(is_local(func->attrs)) {
566 const statement_t * callas_source = get_callas_source(iface, func);
567 if(!callas_source)
568 missing = 1;
569 else
570 fname = get_name(callas_source->u.var);
571 }
572 if (i) fprintf(proxy,",\n");
573 if (skip || missing) print_proxy("STUB_FORWARDING_FUNCTION");
574 else if (is_interpreted_func( iface, func ))
575 print_proxy( "(PRPC_STUB_FUNCTION)%s", interpreted_mode ? "NdrStubCall2" : "NdrStubCall" );
576 else print_proxy( "%s_%s_Stub", iface->name, fname);
577 i++;
578 }
579 }
580 return i;
581}
582
583static void write_thunk_methods( type_t *iface, int skip )
584{
585 const statement_t *stmt;
586
587 if (type_iface_get_inherit( iface ))
588 write_thunk_methods( type_iface_get_inherit(iface), need_delegation(iface) );
589 else
590 return; /* skip IUnknown */
591
592 STATEMENTS_FOR_EACH_FUNC( stmt, type_iface_get_stmts(iface) )
593 {
594 var_t *func = stmt->u.var;
595 const statement_t * callas_source = NULL;
596
597 if (is_callas(func->attrs)) continue;
598 if (is_local(func->attrs)) callas_source = get_callas_source(iface, func);
599
600 if (!skip && callas_source && is_interpreted_func( iface, func ))
601 print_proxy( "%s_%s_Thunk,\n", iface->name, get_name(callas_source->u.var) );
602 else
603 print_proxy( "0, /* %s::%s */\n", iface->name, get_name(func) );
604 }
605}
606
607static void write_proxy(type_t *iface, unsigned int *proc_offset)
608{
609 int count;
610 const statement_t *stmt;
611 int first_func = 1;
612 int needs_stub_thunks = 0;
613 int needs_inline_stubs = need_inline_stubs( iface ) || need_delegation( iface );
614
615 STATEMENTS_FOR_EACH_FUNC(stmt, type_iface_get_stmts(iface)) {
616 var_t *func = stmt->u.var;
617 if (first_func) {
618 fprintf(proxy, "/*****************************************************************************\n");
619 fprintf(proxy, " * %s interface\n", iface->name);
620 fprintf(proxy, " */\n");
621 first_func = 0;
622 }
623 if (!is_local(func->attrs)) {
624 const var_t *cas = is_callas(func->attrs);
625 const char *cname = cas ? cas->name : NULL;
626 int idx = func->func_idx;
627 if (cname) {
628 const statement_t *stmt2;
629 STATEMENTS_FOR_EACH_FUNC(stmt2, type_iface_get_stmts(iface)) {
630 const var_t *m = stmt2->u.var;
631 if (!strcmp(m->name, cname))
632 {
633 idx = m->func_idx;
634 break;
635 }
636 }
637 }
638 func->procstring_offset = *proc_offset;
639 gen_proxy(iface, func, idx, *proc_offset);
640 gen_stub(iface, func, cname, *proc_offset);
641 if (cas && is_interpreted_func( iface, func ))
642 {
643 needs_stub_thunks = 1;
644 gen_stub_thunk(iface, func, *proc_offset);
645 }
646 *proc_offset += get_size_procformatstring_func( iface, func );
647 }
648 }
649
650 count = count_methods(iface);
651
652 print_proxy( "static const unsigned short %s_FormatStringOffsetTable[] =\n", iface->name );
653 print_proxy( "{\n" );
654 indent++;
655#ifdef __REACTOS__ /* r57019 / c3be8a3 */
656 if (write_proxy_procformatstring_offsets( iface, 0 ) == 0)
657 {
658 print_proxy( "0\n" );
659 }
660#else
661 write_proxy_procformatstring_offsets( iface, 0 );
662#endif
663 indent--;
664 print_proxy( "};\n\n" );
665
666 /* proxy info */
667 if (interpreted_mode)
668 {
669 print_proxy( "static const MIDL_STUBLESS_PROXY_INFO %s_ProxyInfo =\n", iface->name );
670 print_proxy( "{\n" );
671 indent++;
672 print_proxy( "&Object_StubDesc,\n" );
673 print_proxy( "__MIDL_ProcFormatString.Format,\n" );
674 print_proxy( "&%s_FormatStringOffsetTable[-3],\n", iface->name );
675 print_proxy( "0,\n" );
676 print_proxy( "0,\n" );
677 print_proxy( "0\n" );
678 indent--;
679 print_proxy( "};\n\n" );
680 }
681
682 /* proxy vtable */
683 print_proxy( "static %sCINTERFACE_PROXY_VTABLE(%d) _%sProxyVtbl =\n",
684 (interpreted_mode || need_delegation_indirect(iface)) ? "" : "const ",
685 count, iface->name);
686 print_proxy( "{\n");
687 indent++;
688 print_proxy( "{\n");
689 indent++;
690 if (interpreted_mode) print_proxy( "&%s_ProxyInfo,\n", iface->name );
691 print_proxy( "&IID_%s,\n", iface->name);
692 indent--;
693 print_proxy( "},\n");
694 print_proxy( "{\n");
695 indent++;
696 write_proxy_methods(iface, FALSE);
697 indent--;
698 print_proxy( "}\n");
699 indent--;
700 print_proxy( "};\n\n");
701
702 /* stub thunk table */
703 if (needs_stub_thunks)
704 {
705 print_proxy( "static const STUB_THUNK %s_StubThunkTable[] =\n", iface->name);
706 print_proxy( "{\n");
707 indent++;
708 write_thunk_methods( iface, 0 );
709 indent--;
710 print_proxy( "};\n\n");
711 }
712
713 /* server info */
714 print_proxy( "static const MIDL_SERVER_INFO %s_ServerInfo =\n", iface->name );
715 print_proxy( "{\n" );
716 indent++;
717 print_proxy( "&Object_StubDesc,\n" );
718 print_proxy( "0,\n" );
719 print_proxy( "__MIDL_ProcFormatString.Format,\n" );
720 print_proxy( "&%s_FormatStringOffsetTable[-3],\n", iface->name );
721 if (needs_stub_thunks)
722 print_proxy( "&%s_StubThunkTable[-3],\n", iface->name );
723 else
724 print_proxy( "0,\n" );
725 print_proxy( "0,\n" );
726 print_proxy( "0,\n" );
727 print_proxy( "0\n" );
728 indent--;
729 print_proxy( "};\n\n" );
730
731 /* stub vtable */
732 if (needs_inline_stubs)
733 {
734 print_proxy( "static const PRPC_STUB_FUNCTION %s_table[] =\n", iface->name);
735 print_proxy( "{\n");
736 indent++;
737#ifdef __REACTOS__ /* r57019 / c3be8a3 */
738 if (write_stub_methods(iface, FALSE) == 0)
739 {
740 fprintf(proxy, "0");
741 }
742#else
743 write_stub_methods(iface, FALSE);
744#endif
745 fprintf(proxy, "\n");
746 indent--;
747 fprintf(proxy, "};\n\n");
748 }
749 print_proxy( "static %sCInterfaceStubVtbl _%sStubVtbl =\n",
750 need_delegation_indirect(iface) ? "" : "const ", iface->name);
751 print_proxy( "{\n");
752 indent++;
753 print_proxy( "{\n");
754 indent++;
755 print_proxy( "&IID_%s,\n", iface->name);
756 print_proxy( "&%s_ServerInfo,\n", iface->name );
757 print_proxy( "%d,\n", count);
758 if (needs_inline_stubs) print_proxy( "&%s_table[-3]\n", iface->name );
759 else print_proxy( "0\n" );
760 indent--;
761 print_proxy( "},\n");
762 print_proxy( "{\n");
763 indent++;
764 print_proxy( "%s_%s\n",
765 type_iface_get_async_iface(iface) == iface ? "CStdAsyncStubBuffer" : "CStdStubBuffer",
766 need_delegation_indirect(iface) ? "DELEGATING_METHODS" : "METHODS");
767 indent--;
768 print_proxy( "}\n");
769 indent--;
770 print_proxy( "};\n");
771 print_proxy( "\n");
772}
773
774static int does_any_iface(const statement_list_t *stmts, type_pred_t pred)
775{
776 const statement_t *stmt;
777
778 if (stmts)
779 LIST_FOR_EACH_ENTRY(stmt, stmts, const statement_t, entry)
780 {
781 if (stmt->type == STMT_TYPE && type_get_type(stmt->u.type) == TYPE_INTERFACE)
782 {
783 if (pred(stmt->u.type))
784 return TRUE;
785 }
786 }
787
788 return FALSE;
789}
790
791int need_proxy(const type_t *iface)
792{
793 if (!is_object( iface )) return 0;
794 if (is_local( iface->attrs )) return 0;
795 if (is_attr( iface->attrs, ATTR_DISPINTERFACE )) return 0;
796 return 1;
797}
798
799int need_stub(const type_t *iface)
800{
801 return !is_object(iface) && !is_local(iface->attrs);
802}
803
804int need_proxy_file(const statement_list_t *stmts)
805{
806 return does_any_iface(stmts, need_proxy);
807}
808
809int need_proxy_delegation(const statement_list_t *stmts)
810{
811 return does_any_iface(stmts, need_delegation);
812}
813
814int need_inline_stubs(const type_t *iface)
815{
816 const statement_t *stmt;
817
818 if (!interpreted_mode) return 1;
819
820 STATEMENTS_FOR_EACH_FUNC( stmt, type_iface_get_stmts(iface) )
821 {
822 const var_t *func = stmt->u.var;
823 if (is_local( func->attrs )) continue;
824 if (!is_interpreted_func( iface, func )) return 1;
825 }
826 return 0;
827}
828
829static int need_proxy_and_inline_stubs(const type_t *iface)
830{
831 const statement_t *stmt;
832
833 if (!need_proxy( iface )) return 0;
834 if (!interpreted_mode) return 1;
835
836 STATEMENTS_FOR_EACH_FUNC( stmt, type_iface_get_stmts(iface) )
837 {
838 const var_t *func = stmt->u.var;
839 if (is_local( func->attrs )) continue;
840 if (!is_interpreted_func( iface, func )) return 1;
841 }
842 return 0;
843}
844
845int need_stub_files(const statement_list_t *stmts)
846{
847 return does_any_iface(stmts, need_stub);
848}
849
850int need_inline_stubs_file(const statement_list_t *stmts)
851{
852 return does_any_iface(stmts, need_inline_stubs);
853}
854
855static void write_proxy_stmts(const statement_list_t *stmts, unsigned int *proc_offset)
856{
857 const statement_t *stmt;
858 if (stmts) LIST_FOR_EACH_ENTRY( stmt, stmts, const statement_t, entry )
859 {
860 if (stmt->type == STMT_TYPE && type_get_type(stmt->u.type) == TYPE_INTERFACE)
861 {
862 type_t *iface = stmt->u.type;
863 if (need_proxy(iface))
864 {
865 write_proxy(iface, proc_offset);
866 if (type_iface_get_async_iface(iface))
867 write_proxy(type_iface_get_async_iface(iface), proc_offset);
868 }
869 }
870 }
871}
872
873static int cmp_iid( const void *ptr1, const void *ptr2 )
874{
875 const type_t * const *iface1 = ptr1;
876 const type_t * const *iface2 = ptr2;
877 const struct uuid *uuid1 = get_attrp( (*iface1)->attrs, ATTR_UUID );
878 const struct uuid *uuid2 = get_attrp( (*iface2)->attrs, ATTR_UUID );
879 return memcmp( uuid1, uuid2, sizeof(*uuid1) );
880}
881
882static void build_iface_list( const statement_list_t *stmts, type_t **ifaces[], int *count )
883{
884 const statement_t *stmt;
885
886 if (!stmts) return;
887 LIST_FOR_EACH_ENTRY( stmt, stmts, const statement_t, entry )
888 {
889 if (stmt->type == STMT_TYPE && type_get_type(stmt->u.type) == TYPE_INTERFACE)
890 {
891 type_t *iface = stmt->u.type;
892 if (type_iface_get_inherit(iface) && need_proxy(iface))
893 {
894 *ifaces = xrealloc( *ifaces, (*count + 1) * sizeof(**ifaces) );
895 (*ifaces)[(*count)++] = iface;
896 if (type_iface_get_async_iface(iface))
897 {
898 iface = type_iface_get_async_iface(iface);
899 *ifaces = xrealloc( *ifaces, (*count + 1) * sizeof(**ifaces) );
900 (*ifaces)[(*count)++] = iface;
901 }
902 }
903 }
904 }
905}
906
907static type_t **sort_interfaces( const statement_list_t *stmts, int *count )
908{
909 type_t **ifaces = NULL;
910
911 *count = 0;
912 build_iface_list( stmts, &ifaces, count );
913 qsort( ifaces, *count, sizeof(*ifaces), cmp_iid );
914 return ifaces;
915}
916
917static void write_proxy_routines(const statement_list_t *stmts)
918{
919 int expr_eval_routines;
920 unsigned int proc_offset = 0;
921 char *file_id = proxy_token;
922 int i, count, have_baseiid = 0;
923 unsigned int table_version;
924 type_t **interfaces;
925 const type_t * delegate_to;
926
927 print_proxy( "#ifndef __REDQ_RPCPROXY_H_VERSION__\n");
928 print_proxy( "#define __REQUIRED_RPCPROXY_H_VERSION__ %u\n", interpreted_mode ? 475 : 440);
929 print_proxy( "#endif\n");
930 print_proxy( "\n");
931 if (interpreted_mode) print_proxy( "#define USE_STUBLESS_PROXY\n");
932 print_proxy( "#include \"rpcproxy.h\"\n");
933 print_proxy( "#ifndef __RPCPROXY_H_VERSION__\n");
934 print_proxy( "#error This code needs a newer version of rpcproxy.h\n");
935 print_proxy( "#endif /* __RPCPROXY_H_VERSION__ */\n");
936 print_proxy( "\n");
937 print_proxy( "#include \"%s\"\n", header_name);
938 print_proxy( "\n");
939
940 if (does_any_iface(stmts, need_proxy_and_inline_stubs))
941 {
942 write_exceptions( proxy );
943 print_proxy( "\n");
944 print_proxy( "struct __proxy_frame\n");
945 print_proxy( "{\n");
946 print_proxy( " __DECL_EXCEPTION_FRAME\n");
947 print_proxy( " MIDL_STUB_MESSAGE _StubMsg;\n");
948 print_proxy( " void *This;\n");
949 print_proxy( "};\n");
950 print_proxy( "\n");
951 print_proxy("static int __proxy_filter( struct __proxy_frame *__frame )\n");
952 print_proxy( "{\n");
953 print_proxy( " return (__frame->_StubMsg.dwStubPhase != PROXY_SENDRECEIVE);\n");
954 print_proxy( "}\n");
955 print_proxy( "\n");
956 }
957
958 write_formatstringsdecl(proxy, indent, stmts, need_proxy);
959 write_stubdescproto();
960 write_proxy_stmts(stmts, &proc_offset);
961
962 expr_eval_routines = write_expr_eval_routines(proxy, proxy_token);
963 if (expr_eval_routines)
964 write_expr_eval_routine_list(proxy, proxy_token);
965 write_user_quad_list(proxy);
966 write_stubdesc(expr_eval_routines);
967
968 print_proxy( "#if !defined(__RPC_WIN%u__)\n", pointer_size == 8 ? 64 : 32);
969 print_proxy( "#error Invalid build platform for this proxy.\n");
970 print_proxy( "#endif\n");
971 print_proxy( "\n");
972 write_procformatstring(proxy, stmts, need_proxy);
973 write_typeformatstring(proxy, stmts, need_proxy);
974
975 interfaces = sort_interfaces(stmts, &count);
976 fprintf(proxy, "static const CInterfaceProxyVtbl* const _%s_ProxyVtblList[] =\n", file_id);
977 fprintf(proxy, "{\n");
978 for (i = 0; i < count; i++)
979 fprintf(proxy, " (const CInterfaceProxyVtbl*)&_%sProxyVtbl,\n", interfaces[i]->name);
980 fprintf(proxy, " 0\n");
981 fprintf(proxy, "};\n");
982 fprintf(proxy, "\n");
983
984 fprintf(proxy, "static const CInterfaceStubVtbl* const _%s_StubVtblList[] =\n", file_id);
985 fprintf(proxy, "{\n");
986 for (i = 0; i < count; i++)
987 fprintf(proxy, " &_%sStubVtbl,\n", interfaces[i]->name);
988 fprintf(proxy, " 0\n");
989 fprintf(proxy, "};\n");
990 fprintf(proxy, "\n");
991
992 fprintf(proxy, "static PCInterfaceName const _%s_InterfaceNamesList[] =\n", file_id);
993 fprintf(proxy, "{\n");
994 for (i = 0; i < count; i++)
995 fprintf(proxy, " \"%s\",\n", interfaces[i]->name);
996 fprintf(proxy, " 0\n");
997 fprintf(proxy, "};\n");
998 fprintf(proxy, "\n");
999
1000 for (i = 0; i < count; i++)
1001 if ((have_baseiid = get_delegation_indirect( interfaces[i], NULL ))) break;
1002
1003 if (have_baseiid)
1004 {
1005 fprintf(proxy, "static const IID * _%s_BaseIIDList[] =\n", file_id);
1006 fprintf(proxy, "{\n");
1007 for (i = 0; i < count; i++)
1008 {
1009 if (get_delegation_indirect(interfaces[i], &delegate_to))
1010 fprintf( proxy, " &IID_%s, /* %s */\n", delegate_to->name, interfaces[i]->name );
1011 else
1012 fprintf( proxy, " 0,\n" );
1013 }
1014 fprintf(proxy, " 0\n");
1015 fprintf(proxy, "};\n");
1016 fprintf(proxy, "\n");
1017 }
1018
1019 fprintf(proxy, "static int __stdcall _%s_IID_Lookup(const IID* pIID, int* pIndex)\n", file_id);
1020 fprintf(proxy, "{\n");
1021 fprintf(proxy, " int low = 0, high = %d;\n", count - 1);
1022 fprintf(proxy, "\n");
1023 fprintf(proxy, " while (low <= high)\n");
1024 fprintf(proxy, " {\n");
1025 fprintf(proxy, " int pos = (low + high) / 2;\n");
1026 fprintf(proxy, " int res = IID_GENERIC_CHECK_IID(_%s, pIID, pos);\n", file_id);
1027 fprintf(proxy, " if (!res) { *pIndex = pos; return 1; }\n");
1028 fprintf(proxy, " if (res > 0) low = pos + 1;\n");
1029 fprintf(proxy, " else high = pos - 1;\n");
1030 fprintf(proxy, " }\n");
1031 fprintf(proxy, " return 0;\n");
1032 fprintf(proxy, "}\n");
1033 fprintf(proxy, "\n");
1034
1035 table_version = interpreted_mode ? 2 : 1;
1036 for (i = 0; i < count; i++)
1037 {
1038 if (type_iface_get_async_iface(interfaces[i]) != interfaces[i]) continue;
1039 if (table_version != 6)
1040 {
1041 fprintf(proxy, "static const IID *_AsyncInterfaceTable[] =\n");
1042 fprintf(proxy, "{\n");
1043 table_version = 6;
1044 }
1045 fprintf(proxy, " &IID_%s,\n", interfaces[i]->name);
1046 fprintf(proxy, " (IID*)(LONG_PTR)-1,\n");
1047 }
1048 if (table_version == 6)
1049 {
1050 fprintf(proxy, " 0\n");
1051 fprintf(proxy, "};\n");
1052 fprintf(proxy, "\n");
1053 }
1054
1055 fprintf(proxy, "const ExtendedProxyFileInfo %s_ProxyFileInfo =\n", file_id);
1056 fprintf(proxy, "{\n");
1057 fprintf(proxy, " (const PCInterfaceProxyVtblList*)_%s_ProxyVtblList,\n", file_id);
1058 fprintf(proxy, " (const PCInterfaceStubVtblList*)_%s_StubVtblList,\n", file_id);
1059 fprintf(proxy, " _%s_InterfaceNamesList,\n", file_id);
1060 if (have_baseiid) fprintf(proxy, " _%s_BaseIIDList,\n", file_id);
1061 else fprintf(proxy, " 0,\n");
1062 fprintf(proxy, " _%s_IID_Lookup,\n", file_id);
1063 fprintf(proxy, " %d,\n", count);
1064 fprintf(proxy, " %u,\n", table_version);
1065 fprintf(proxy, " %s,\n", table_version == 6 ? "_AsyncInterfaceTable" : "0");
1066 fprintf(proxy, " 0,\n");
1067 fprintf(proxy, " 0,\n");
1068 fprintf(proxy, " 0\n");
1069 fprintf(proxy, "};\n");
1070}
1071
1072void write_proxies(const statement_list_t *stmts)
1073{
1074 if (!do_proxies) return;
1075 if (do_everything && !need_proxy_file(stmts)) return;
1076
1077 init_proxy(stmts);
1078 if(!proxy) return;
1079
1080 write_proxy_routines( stmts );
1081 fclose(proxy);
1082}