tools/widl/proxy.c

   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_formatstringsdecl(proxy, indent, stmts, need_proxy);
 113   write_stubdescproto();
 114 }
 115
 116 static void clear_output_vars( const var_list_t *args )
 117 {
 118   const var_t *arg;
 119
 120   if (!args) return;
 121   LIST_FOR_EACH_ENTRY( arg, args, const var_t, entry )
 122   {
 123     if (is_attr(arg->attrs, ATTR_OUT) && !is_attr(arg->attrs, ATTR_IN)) {
 124       print_proxy( "if(%s)\n", arg->name );
 125       indent++;
 126       print_proxy( "MIDL_memset( %s, 0, sizeof( *%s ));\n", arg->name, arg->name );
 127       indent--;
 128     }
 129   }
 130 }
 131
 132 int is_var_ptr(const var_t *v)
 133 {
 134   return is_ptr(v->type);
 135 }
 136
 137 int cant_be_null(const var_t *v)
 138 {
 139   /* Search backwards for the most recent pointer attribute.  */
 140   const attr_list_t *attrs = v->attrs;
 141   const type_t *type = v->type;
 142
 143   if (! attrs && type)
 144   {
 145     attrs = type->attrs;
 146     type = type->ref;
 147   }
 148
 149   while (attrs)
 150   {
 151     int t = get_attrv(attrs, ATTR_POINTERTYPE);
 152
 153     if (t == RPC_FC_FP || t == RPC_FC_OP || t == RPC_FC_UP)
 154       return 0;
 155
 156     if (t == RPC_FC_RP)
 157       return 1;
 158
 159     if (type)
 160     {
 161       attrs = type->attrs;
 162       type = type->ref;
 163     }
 164     else
 165       attrs = NULL;
 166   }
 167
 168   return 1;                             /* Default is RPC_FC_RP.  */
 169 }
 170
 171 static void proxy_check_pointers( const var_list_t *args )
 172 {
 173   const var_t *arg;
 174
 175   if (!args) return;
 176   LIST_FOR_EACH_ENTRY( arg, args, const var_t, entry )
 177   {
 178     if (is_var_ptr(arg) && cant_be_null(arg)) {
 179         print_proxy( "if(!%s)\n", arg->name );
 180         indent++;
 181         print_proxy( "RpcRaiseException(RPC_X_NULL_REF_POINTER);\n");
 182         indent--;
 183     }
 184   }
 185 }
 186
 187 static void free_variable( const var_t *arg )
 188 {
 189   unsigned int type_offset = arg->type->typestring_offset;
 190   expr_t *iid;
 191   type_t *type = arg->type;
 192   expr_t *size = get_size_is_expr(type, arg->name);
 193
 194   if (size)
 195   {
 196     print_proxy( "_StubMsg.MaxCount = " );
 197     write_expr(proxy, size, 0, 1, NULL, NULL);
 198     fprintf(proxy, ";\n\n");
 199     print_proxy( "NdrClearOutParameters( &_StubMsg, ");
 200     fprintf(proxy, "&__MIDL_TypeFormatString.Format[%u], ", type_offset );
 201     fprintf(proxy, "(void*)%s );\n", arg->name );
 202     return;
 203   }
 204
 205   switch( type->type )
 206   {
 207   case RPC_FC_BYTE:
 208   case RPC_FC_CHAR:
 209   case RPC_FC_WCHAR:
 210   case RPC_FC_SHORT:
 211   case RPC_FC_USHORT:
 212   case RPC_FC_ENUM16:
 213   case RPC_FC_LONG:
 214   case RPC_FC_ULONG:
 215   case RPC_FC_ENUM32:
 216   case RPC_FC_STRUCT:
 217     break;
 218
 219   case RPC_FC_FP:
 220   case RPC_FC_IP:
 221     iid = get_attrp( arg->attrs, ATTR_IIDIS );
 222     if( iid )
 223     {
 224       print_proxy( "_StubMsg.MaxCount = (unsigned long) " );
 225       write_expr(proxy, iid, 1, 1, NULL, NULL);
 226       print_proxy( ";\n\n" );
 227     }
 228     print_proxy( "NdrClearOutParameters( &_StubMsg, ");
 229     fprintf(proxy, "&__MIDL_TypeFormatString.Format[%u], ", type_offset );
 230     fprintf(proxy, "(void*)%s );\n", arg->name );
 231     break;
 232
 233   default:
 234     print_proxy("/* FIXME: %s code for %s type %d missing */\n", __FUNCTION__, arg->name, type->type );
 235   }
 236 }
 237
 238 static void proxy_free_variables( var_list_t *args )
 239 {
 240   const var_t *arg;
 241
 242   if (!args) return;
 243   LIST_FOR_EACH_ENTRY( arg, args, const var_t, entry )
 244     if (is_attr(arg->attrs, ATTR_OUT))
 245     {
 246       free_variable( arg );
 247       fprintf(proxy, "\n");
 248     }
 249 }
 250
 251 static void gen_proxy(type_t *iface, const var_t *func, int idx,
 252                       unsigned int proc_offset)
 253 {
 254   int has_ret = !is_void(get_func_return_type(func));
 255   int has_full_pointer = is_full_pointer_function(func);
 256   const char *callconv = get_attrp(func->type->attrs, ATTR_CALLCONV);
 257   if (!callconv) callconv = "";
 258
 259   indent = 0;
 260   write_type_decl_left(proxy, get_func_return_type(func));
 261   print_proxy( " %s %s_", callconv, iface->name);
 262   write_name(proxy, func);
 263   print_proxy( "_Proxy(\n");
 264   write_args(proxy, type_get_function_args(func->type), iface->name, 1, TRUE);
 265   print_proxy( ")\n");
 266   print_proxy( "{\n");
 267   indent ++;
 268   /* local variables */
 269   if (has_ret) {
 270     print_proxy( "" );
 271     write_type_decl_left(proxy, get_func_return_type(func));
 272     print_proxy( " _RetVal;\n");
 273   }
 274   print_proxy( "RPC_MESSAGE _RpcMessage;\n" );
 275   print_proxy( "MIDL_STUB_MESSAGE _StubMsg;\n" );
 276   if (has_ret) {
 277     if (decl_indirect(get_func_return_type(func)))
 278       print_proxy("void *_p_%s = &%s;\n",
 279                  "_RetVal", "_RetVal");
 280   }
 281   print_proxy( "\n");
 282
 283   if (has_full_pointer)
 284     write_full_pointer_init(proxy, indent, func, FALSE);
 285
 286   /* FIXME: trace */
 287   clear_output_vars( type_get_function_args(func->type) );
 288
 289   print_proxy( "RpcTryExcept\n" );
 290   print_proxy( "{\n" );
 291   indent++;
 292   print_proxy( "NdrProxyInitialize(This, &_RpcMessage, &_StubMsg, &Object_StubDesc, %d);\n", idx);
 293   proxy_check_pointers( type_get_function_args(func->type) );
 294
 295   print_proxy( "RpcTryFinally\n" );
 296   print_proxy( "{\n" );
 297   indent++;
 298
 299   write_remoting_arguments(proxy, indent, func, PASS_IN, PHASE_BUFFERSIZE);
 300
 301   print_proxy( "NdrProxyGetBuffer(This, &_StubMsg);\n" );
 302
 303   write_remoting_arguments(proxy, indent, func, PASS_IN, PHASE_MARSHAL);
 304
 305   print_proxy( "NdrProxySendReceive(This, &_StubMsg);\n" );
 306   fprintf(proxy, "\n");
 307   print_proxy( "_StubMsg.BufferStart = _RpcMessage.Buffer;\n" );
 308   print_proxy( "_StubMsg.BufferEnd   = _StubMsg.BufferStart + _RpcMessage.BufferLength;\n\n" );
 309
 310   print_proxy("if ((_RpcMessage.DataRepresentation & 0xffff) != NDR_LOCAL_DATA_REPRESENTATION)\n");
 311   indent++;
 312   print_proxy("NdrConvert( &_StubMsg, &__MIDL_ProcFormatString.Format[%u]);\n", proc_offset );
 313   indent--;
 314   fprintf(proxy, "\n");
 315
 316   write_remoting_arguments(proxy, indent, func, PASS_OUT, PHASE_UNMARSHAL);
 317
 318   if (has_ret)
 319   {
 320       if (decl_indirect(get_func_return_type(func)))
 321           print_proxy("MIDL_memset(&%s, 0, sizeof(%s));\n", "_RetVal", "_RetVal");
 322       else if (is_ptr(get_func_return_type(func)) || is_array(get_func_return_type(func)))
 323           print_proxy("%s = 0;\n", "_RetVal");
 324       write_remoting_arguments(proxy, indent, func, PASS_RETURN, PHASE_UNMARSHAL);
 325   }
 326
 327   indent--;
 328   print_proxy( "}\n");
 329   print_proxy( "RpcFinally\n" );
 330   print_proxy( "{\n" );
 331   indent++;
 332   if (has_full_pointer)
 333     write_full_pointer_free(proxy, indent, func);
 334   print_proxy( "NdrProxyFreeBuffer(This, &_StubMsg);\n" );
 335   indent--;
 336   print_proxy( "}\n");
 337   print_proxy( "RpcEndFinally\n" );
 338   indent--;
 339   print_proxy( "}\n" );
 340   print_proxy( "RpcExcept(_StubMsg.dwStubPhase != PROXY_SENDRECEIVE)\n" );
 341   print_proxy( "{\n" );
 342   if (has_ret) {
 343     indent++;
 344     proxy_free_variables( type_get_function_args(func->type) );
 345     print_proxy( "_RetVal = NdrProxyErrorHandler(RpcExceptionCode());\n" );
 346     indent--;
 347   }
 348   print_proxy( "}\n" );
 349   print_proxy( "RpcEndExcept\n" );
 350
 351   if (has_ret) {
 352     print_proxy( "return _RetVal;\n" );
 353   }
 354   indent--;
 355   print_proxy( "}\n");
 356   print_proxy( "\n");
 357 }
 358
 359 static void gen_stub(type_t *iface, const var_t *func, const char *cas,
 360                      unsigned int proc_offset)
 361 {
 362   const var_t *arg;
 363   int has_ret = !is_void(get_func_return_type(func));
 364   int has_full_pointer = is_full_pointer_function(func);
 365
 366   indent = 0;
 367   print_proxy( "void __RPC_STUB %s_", iface->name);
 368   write_name(proxy, func);
 369   print_proxy( "_Stub(\n");
 370   indent++;
 371   print_proxy( "IRpcStubBuffer* This,\n");
 372   print_proxy( "IRpcChannelBuffer *_pRpcChannelBuffer,\n");
 373   print_proxy( "PRPC_MESSAGE _pRpcMessage,\n");
 374   print_proxy( "DWORD* _pdwStubPhase)\n");
 375   indent--;
 376   print_proxy( "{\n");
 377   indent++;
 378   print_proxy("%s * _This = (%s*)((CStdStubBuffer*)This)->pvServerObject;\n", iface->name, iface->name);
 379   print_proxy("MIDL_STUB_MESSAGE _StubMsg;\n");
 380   declare_stub_args( proxy, indent, func );
 381   fprintf(proxy, "\n");
 382
 383   /* FIXME: trace */
 384
 385   print_proxy("NdrStubInitialize(_pRpcMessage, &_StubMsg, &Object_StubDesc, _pRpcChannelBuffer);\n");
 386   fprintf(proxy, "\n");
 387
 388   write_parameters_init(proxy, indent, func);
 389
 390   print_proxy("RpcTryFinally\n");
 391   print_proxy("{\n");
 392   indent++;
 393   if (has_full_pointer)
 394     write_full_pointer_init(proxy, indent, func, TRUE);
 395   print_proxy("if ((_pRpcMessage->DataRepresentation & 0xffff) != NDR_LOCAL_DATA_REPRESENTATION)\n");
 396   indent++;
 397   print_proxy("NdrConvert( &_StubMsg, &__MIDL_ProcFormatString.Format[%u]);\n", proc_offset );
 398   indent--;
 399   fprintf(proxy, "\n");
 400
 401   write_remoting_arguments(proxy, indent, func, PASS_IN, PHASE_UNMARSHAL);
 402   fprintf(proxy, "\n");
 403
 404   assign_stub_out_args( proxy, indent, func );
 405
 406   print_proxy("*_pdwStubPhase = STUB_CALL_SERVER;\n");
 407   fprintf(proxy, "\n");
 408   print_proxy("");
 409   if (has_ret) fprintf(proxy, "_RetVal = ");
 410   if (cas) fprintf(proxy, "%s_%s_Stub", iface->name, cas);
 411   else
 412   {
 413       fprintf(proxy, "_This->lpVtbl->");
 414       write_name(proxy, func);
 415   }
 416   fprintf(proxy, "(_This");
 417
 418   if (type_get_function_args(func->type))
 419   {
 420       LIST_FOR_EACH_ENTRY( arg, type_get_function_args(func->type), const var_t, entry )
 421       {
 422           fprintf(proxy, ", ");
 423           if (arg->type->declarray)
 424               fprintf(proxy, "*");
 425           write_name(proxy, arg);
 426       }
 427   }
 428   fprintf(proxy, ");\n");
 429   fprintf(proxy, "\n");
 430   print_proxy("*_pdwStubPhase = STUB_MARSHAL;\n");
 431   fprintf(proxy, "\n");
 432
 433   write_remoting_arguments(proxy, indent, func, PASS_OUT, PHASE_BUFFERSIZE);
 434
 435   if (!is_void(get_func_return_type(func)))
 436     write_remoting_arguments(proxy, indent, func, PASS_RETURN, PHASE_BUFFERSIZE);
 437
 438   print_proxy("NdrStubGetBuffer(This, _pRpcChannelBuffer, &_StubMsg);\n");
 439
 440   write_remoting_arguments(proxy, indent, func, PASS_OUT, PHASE_MARSHAL);
 441   fprintf(proxy, "\n");
 442
 443   /* marshall the return value */
 444   if (!is_void(get_func_return_type(func)))
 445     write_remoting_arguments(proxy, indent, func, PASS_RETURN, PHASE_MARSHAL);
 446
 447   indent--;
 448   print_proxy("}\n");
 449   print_proxy("RpcFinally\n");
 450   print_proxy("{\n");
 451
 452   write_remoting_arguments(proxy, indent+1, func, PASS_OUT, PHASE_FREE);
 453
 454   if (has_full_pointer)
 455     write_full_pointer_free(proxy, indent, func);
 456
 457   print_proxy("}\n");
 458   print_proxy("RpcEndFinally\n");
 459
 460   print_proxy("_pRpcMessage->BufferLength = _StubMsg.Buffer - (unsigned char *)_pRpcMessage->Buffer;\n");
 461   indent--;
 462
 463   print_proxy("}\n");
 464   print_proxy("\n");
 465 }
 466
 467 static int write_proxy_methods(type_t *iface)
 468 {
 469   const statement_t *stmt;
 470   int i = 0;
 471
 472   if (iface->ref) i = write_proxy_methods(iface->ref);
 473   STATEMENTS_FOR_EACH_FUNC(stmt, iface->details.iface->stmts) {
 474     const var_t *func = stmt->u.var;
 475     if (!is_callas(func->attrs)) {
 476       if (i) fprintf(proxy, ",\n");
 477       print_proxy( "%s_", iface->name);
 478       write_name(proxy, func);
 479       fprintf(proxy, "_Proxy");
 480       i++;
 481     }
 482   }
 483   return i;
 484 }
 485
 486 static int write_stub_methods(type_t *iface)
 487 {
 488   const statement_t *stmt;
 489   int i = 0;
 490
 491   if (iface->ref) i = write_stub_methods(iface->ref);
 492   else return i; /* skip IUnknown */
 493
 494   STATEMENTS_FOR_EACH_FUNC(stmt, iface->details.iface->stmts) {
 495     const var_t *func = stmt->u.var;
 496     if (!is_local(func->attrs)) {
 497       if (i) fprintf(proxy,",\n");
 498       print_proxy( "%s_", iface->name);
 499       write_name(proxy, func);
 500       fprintf(proxy, "_Stub");
 501       i++;
 502     }
 503   }
 504   return i;
 505 }
 506
 507 static void write_proxy(type_t *iface, unsigned int *proc_offset)
 508 {
 509   int midx = -1, stubs;
 510   const statement_t *stmt;
 511   int first_func = 1;
 512
 513   /* FIXME: check for [oleautomation], shouldn't generate proxies/stubs if specified */
 514
 515   STATEMENTS_FOR_EACH_FUNC(stmt, iface->details.iface->stmts) {
 516     const var_t *func = stmt->u.var;
 517     if (first_func) {
 518       fprintf(proxy, "/*****************************************************************************\n");
 519       fprintf(proxy, " * %s interface\n", iface->name);
 520       fprintf(proxy, " */\n");
 521       first_func = 0;
 522     }
 523     if (!is_local(func->attrs)) {
 524       const var_t *cas = is_callas(func->attrs);
 525       const char *cname = cas ? cas->name : NULL;
 526       int idx = func->type->details.function->idx;
 527       if (cname) {
 528           const statement_t *stmt2;
 529           STATEMENTS_FOR_EACH_FUNC(stmt2, iface->details.iface->stmts) {
 530               const var_t *m = stmt2->u.var;
 531               if (!strcmp(m->name, cname))
 532               {
 533                   idx = m->type->details.function->idx;
 534                   break;
 535               }
 536           }
 537       }
 538       gen_proxy(iface, func, idx, *proc_offset);
 539       gen_stub(iface, func, cname, *proc_offset);
 540       *proc_offset += get_size_procformatstring_func( func );
 541       if (midx == -1) midx = idx;
 542       else if (midx != idx) error("method index mismatch in write_proxy\n");
 543       midx++;
 544     }
 545   }
 546
 547   /* proxy vtable */
 548   print_proxy( "static const CINTERFACE_PROXY_VTABLE(%d) _%sProxyVtbl =\n", midx, iface->name);
 549   print_proxy( "{\n");
 550   indent++;
 551   print_proxy( "{\n", iface->name);
 552   indent++;
 553   print_proxy( "&IID_%s,\n", iface->name);
 554   indent--;
 555   print_proxy( "},\n");
 556   print_proxy( "{\n");
 557   indent++;
 558   write_proxy_methods(iface);
 559   fprintf(proxy, "\n");
 560   indent--;
 561   print_proxy( "}\n");
 562   indent--;
 563   print_proxy( "};\n");
 564   fprintf(proxy, "\n\n");
 565
 566   /* stub vtable */
 567   print_proxy( "static const PRPC_STUB_FUNCTION %s_table[] =\n", iface->name);
 568   print_proxy( "{\n");
 569   indent++;
 570   stubs = write_stub_methods(iface);
 571   fprintf(proxy, "\n");
 572   indent--;
 573   fprintf(proxy, "};\n");
 574   print_proxy( "\n");
 575   print_proxy( "static const CInterfaceStubVtbl _%sStubVtbl =\n", iface->name);
 576   print_proxy( "{\n");
 577   indent++;
 578   print_proxy( "{\n");
 579   indent++;
 580   print_proxy( "&IID_%s,\n", iface->name);
 581   print_proxy( "0,\n");
 582   print_proxy( "%d,\n", stubs+3);
 583   print_proxy( "&%s_table[-3],\n", iface->name);
 584   indent--;
 585   print_proxy( "},\n", iface->name);
 586   print_proxy( "{\n");
 587   indent++;
 588   print_proxy( "CStdStubBuffer_METHODS\n");
 589   indent--;
 590   print_proxy( "}\n");
 591   indent--;
 592   print_proxy( "};\n");
 593   print_proxy( "\n");
 594 }
 595
 596 static int does_any_iface(const statement_list_t *stmts, type_pred_t pred)
 597 {
 598   const statement_t *stmt;
 599
 600   if (stmts)
 601     LIST_FOR_EACH_ENTRY(stmt, stmts, const statement_t, entry)
 602     {
 603       if (stmt->type == STMT_LIBRARY)
 604       {
 605           if (does_any_iface(stmt->u.lib->stmts, pred))
 606               return TRUE;
 607       }
 608       else if (stmt->type == STMT_TYPE && stmt->u.type->type == RPC_FC_IP)
 609       {
 610         if (pred(stmt->u.type))
 611           return TRUE;
 612       }
 613     }
 614
 615   return FALSE;
 616 }
 617
 618 int need_proxy(const type_t *iface)
 619 {
 620   return is_object(iface->attrs) && !is_local(iface->attrs);
 621 }
 622
 623 int need_stub(const type_t *iface)
 624 {
 625   return !is_object(iface->attrs) && !is_local(iface->attrs);
 626 }
 627
 628 int need_proxy_file(const statement_list_t *stmts)
 629 {
 630   return does_any_iface(stmts, need_proxy);
 631 }
 632
 633 int need_stub_files(const statement_list_t *stmts)
 634 {
 635   return does_any_iface(stmts, need_stub);
 636 }
 637
 638 static void write_proxy_stmts(const statement_list_t *stmts, unsigned int *proc_offset)
 639 {
 640   const statement_t *stmt;
 641   if (stmts) LIST_FOR_EACH_ENTRY( stmt, stmts, const statement_t, entry )
 642   {
 643     if (stmt->type == STMT_LIBRARY)
 644       write_proxy_stmts(stmt->u.lib->stmts, proc_offset);
 645     else if (stmt->type == STMT_TYPE && stmt->u.type->type == RPC_FC_IP)
 646     {
 647       if (need_proxy(stmt->u.type))
 648         write_proxy(stmt->u.type, proc_offset);
 649     }
 650   }
 651 }
 652
 653 static void write_proxy_iface_name_format(const statement_list_t *stmts, const char *format)
 654 {
 655   const statement_t *stmt;
 656   if (stmts) LIST_FOR_EACH_ENTRY( stmt, stmts, const statement_t, entry )
 657   {
 658     if (stmt->type == STMT_LIBRARY)
 659       write_proxy_iface_name_format(stmt->u.lib->stmts, format);
 660     else if (stmt->type == STMT_TYPE && stmt->u.type->type == RPC_FC_IP)
 661     {
 662       type_t *iface = stmt->u.type;
 663       if (iface->ref && statements_has_func(iface->details.iface->stmts) &&
 664           need_proxy(iface))
 665         fprintf(proxy, format, iface->name);
 666     }
 667   }
 668 }
 669
 670 static void write_iid_lookup(const statement_list_t *stmts, const char *file_id, int *c)
 671 {
 672   const statement_t *stmt;
 673   if (stmts) LIST_FOR_EACH_ENTRY( stmt, stmts, const statement_t, entry )
 674   {
 675     if (stmt->type == STMT_LIBRARY)
 676       write_iid_lookup(stmt->u.lib->stmts, file_id, c);
 677     else if (stmt->type == STMT_TYPE && stmt->u.type->type == RPC_FC_IP)
 678     {
 679       type_t *iface = stmt->u.type;
 680       if(iface->ref && statements_has_func(iface->details.iface->stmts) &&
 681          need_proxy(iface))
 682       {
 683         fprintf(proxy, "    if (!_%s_CHECK_IID(%d))\n", file_id, *c);
 684         fprintf(proxy, "    {\n");
 685         fprintf(proxy, "        *pIndex = %d;\n", *c);
 686         fprintf(proxy, "        return 1;\n");
 687         fprintf(proxy, "    }\n");
 688         (*c)++;
 689       }
 690     }
 691   }
 692 }
 693
 694 void write_proxies(const statement_list_t *stmts)
 695 {
 696   int expr_eval_routines;
 697   char *file_id = proxy_token;
 698   int c;
 699   unsigned int proc_offset = 0;
 700
 701   if (!do_proxies) return;
 702   if (do_everything && !need_proxy_file(stmts)) return;
 703
 704   init_proxy(stmts);
 705   if(!proxy) return;
 706
 707   write_proxy_stmts(stmts, &proc_offset);
 708
 709   expr_eval_routines = write_expr_eval_routines(proxy, proxy_token);
 710   if (expr_eval_routines)
 711       write_expr_eval_routine_list(proxy, proxy_token);
 712   write_user_quad_list(proxy);
 713   write_stubdesc(expr_eval_routines);
 714
 715   print_proxy( "#if !defined(__RPC_WIN32__)\n");
 716   print_proxy( "#error Currently only Wine and WIN32 are supported.\n");
 717   print_proxy( "#endif\n");
 718   print_proxy( "\n");
 719   write_procformatstring(proxy, stmts, need_proxy);
 720   write_typeformatstring(proxy, stmts, need_proxy);
 721
 722   fprintf(proxy, "static const CInterfaceProxyVtbl* const _%s_ProxyVtblList[] =\n", file_id);
 723   fprintf(proxy, "{\n");
 724   write_proxy_iface_name_format(stmts, "    (const CInterfaceProxyVtbl*)&_%sProxyVtbl,\n");
 725   fprintf(proxy, "    0\n");
 726   fprintf(proxy, "};\n");
 727   fprintf(proxy, "\n");
 728
 729   fprintf(proxy, "static const CInterfaceStubVtbl* const _%s_StubVtblList[] =\n", file_id);
 730   fprintf(proxy, "{\n");
 731   write_proxy_iface_name_format(stmts, "    (const CInterfaceStubVtbl*)&_%sStubVtbl,\n");
 732   fprintf(proxy, "    0\n");
 733   fprintf(proxy, "};\n");
 734   fprintf(proxy, "\n");
 735
 736   fprintf(proxy, "static PCInterfaceName const _%s_InterfaceNamesList[] =\n", file_id);
 737   fprintf(proxy, "{\n");
 738   write_proxy_iface_name_format(stmts, "    \"%s\",\n");
 739   fprintf(proxy, "    0\n");
 740   fprintf(proxy, "};\n");
 741   fprintf(proxy, "\n");
 742
 743   fprintf(proxy, "#define _%s_CHECK_IID(n) IID_GENERIC_CHECK_IID(_%s, pIID, n)\n", file_id, file_id);
 744   fprintf(proxy, "\n");
 745   fprintf(proxy, "int __stdcall _%s_IID_Lookup(const IID* pIID, int* pIndex)\n", file_id);
 746   fprintf(proxy, "{\n");
 747   c = 0;
 748   write_iid_lookup(stmts, file_id, &c);
 749   fprintf(proxy, "    return 0;\n");
 750   fprintf(proxy, "}\n");
 751   fprintf(proxy, "\n");
 752
 753   fprintf(proxy, "const ExtendedProxyFileInfo %s_ProxyFileInfo =\n", file_id);
 754   fprintf(proxy, "{\n");
 755   fprintf(proxy, "    (const PCInterfaceProxyVtblList*)&_%s_ProxyVtblList,\n", file_id);
 756   fprintf(proxy, "    (const PCInterfaceStubVtblList*)&_%s_StubVtblList,\n", file_id);
 757   fprintf(proxy, "    _%s_InterfaceNamesList,\n", file_id);
 758   fprintf(proxy, "    0,\n");
 759   fprintf(proxy, "    &_%s_IID_Lookup,\n", file_id);
 760   fprintf(proxy, "    %d,\n", c);
 761   fprintf(proxy, "    1,\n");
 762   fprintf(proxy, "    0,\n");
 763   fprintf(proxy, "    0,\n");
 764   fprintf(proxy, "    0,\n");
 765   fprintf(proxy, "    0\n");
 766   fprintf(proxy, "};\n");
 767
 768   fclose(proxy);
 769 }