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