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f4a9619364
is_ptr cannot be used because it follows the chain of types into the type which has the context_handle attribute, which is typically "void *" and so causes these context handles to be incorrectly detected as context handles. Instead, we can use is_aliaschain_ptr to follow the chain of aliases without following pointers and the absence of the context_handle attribute indicates that it must be present on a type after following a pointer.
462 lines
15 KiB
C
462 lines
15 KiB
C
/*
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* IDL Compiler
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*
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* Copyright 2005-2006 Eric Kohl
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
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*/
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#include "config.h"
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#include "wine/port.h"
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#include <stdio.h>
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#include <stdlib.h>
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#ifdef HAVE_UNISTD_H
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# include <unistd.h>
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#endif
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#include <string.h>
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#include <ctype.h>
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#include "widl.h"
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#include "utils.h"
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#include "parser.h"
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#include "header.h"
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#include "typegen.h"
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static FILE* server;
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static int indent = 0;
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static void print_server(const char *format, ...)
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{
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va_list va;
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va_start(va, format);
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print(server, indent, format, va);
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va_end(va);
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}
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static void write_function_stubs(type_t *iface, unsigned int *proc_offset)
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{
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char *implicit_handle = get_attrp(iface->attrs, ATTR_IMPLICIT_HANDLE);
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int explicit_handle = is_attr(iface->attrs, ATTR_EXPLICIT_HANDLE);
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const func_t *func;
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const var_t *var;
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const var_t* explicit_handle_var;
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if (!iface->funcs) return;
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LIST_FOR_EACH_ENTRY( func, iface->funcs, const func_t, entry )
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{
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const var_t *def = func->def;
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int has_full_pointer = is_full_pointer_function(func);
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/* check for a defined binding handle */
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explicit_handle_var = get_explicit_handle_var(func);
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if (explicit_handle)
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{
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if (!explicit_handle_var)
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{
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error("%s() does not define an explicit binding handle!\n", def->name);
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return;
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}
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}
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else if (implicit_handle)
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{
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if (explicit_handle_var)
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{
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error("%s() must not define a binding handle!\n", def->name);
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return;
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}
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}
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fprintf(server, "void __RPC_STUB\n");
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fprintf(server, "%s_", iface->name);
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write_name(server, def);
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fprintf(server, "(\n");
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indent++;
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print_server("PRPC_MESSAGE _pRpcMessage)\n");
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indent--;
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/* write the functions body */
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fprintf(server, "{\n");
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indent++;
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/* Declare arguments */
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declare_stub_args(server, indent, func);
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print_server("MIDL_STUB_MESSAGE _StubMsg;\n");
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print_server("RPC_STATUS _Status;\n");
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fprintf(server, "\n");
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print_server("((void)(_Status));\n");
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print_server("NdrServerInitializeNew(\n");
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indent++;
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print_server("_pRpcMessage,\n");
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print_server("&_StubMsg,\n");
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print_server("&%s_StubDesc);\n", iface->name);
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indent--;
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fprintf(server, "\n");
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write_parameters_init(server, indent, func);
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if (explicit_handle_var)
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{
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print_server("%s = _pRpcMessage->Handle;\n", explicit_handle_var->name);
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fprintf(server, "\n");
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}
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print_server("RpcTryFinally\n");
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print_server("{\n");
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indent++;
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print_server("RpcTryExcept\n");
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print_server("{\n");
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indent++;
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if (has_full_pointer)
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write_full_pointer_init(server, indent, func, TRUE);
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if (func->args)
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{
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print_server("if ((_pRpcMessage->DataRepresentation & 0x0000FFFFUL) != NDR_LOCAL_DATA_REPRESENTATION)\n");
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indent++;
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print_server("NdrConvert(\n");
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indent++;
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print_server("(PMIDL_STUB_MESSAGE)&_StubMsg,\n");
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print_server("(PFORMAT_STRING)&__MIDL_ProcFormatString.Format[%u]);\n", *proc_offset);
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indent -= 2;
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fprintf(server, "\n");
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/* unmarshall arguments */
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write_remoting_arguments(server, indent, func, PASS_IN, PHASE_UNMARSHAL);
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}
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print_server("if (_StubMsg.Buffer > _StubMsg.BufferEnd)\n");
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print_server("{\n");
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indent++;
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print_server("RpcRaiseException(RPC_X_BAD_STUB_DATA);\n");
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indent--;
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print_server("}\n");
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indent--;
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print_server("}\n");
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print_server("RpcExcept(RPC_BAD_STUB_DATA_EXCEPTION_FILTER)\n");
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print_server("{\n");
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indent++;
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print_server("RpcRaiseException(RPC_X_BAD_STUB_DATA);\n");
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indent--;
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print_server("}\n");
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print_server("RpcEndExcept\n");
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fprintf(server, "\n");
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/* Assign 'out' arguments */
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assign_stub_out_args(server, indent, func);
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/* Call the real server function */
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if (!is_void(def->type))
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print_server("_RetVal = ");
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else
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print_server("");
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write_prefix_name(server, prefix_server, def);
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if (func->args)
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{
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int first_arg = 1;
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fprintf(server, "(\n");
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indent++;
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LIST_FOR_EACH_ENTRY( var, func->args, const var_t, entry )
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{
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if (first_arg)
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first_arg = 0;
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else
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fprintf(server, ",\n");
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if (is_context_handle(var->type))
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{
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/* if the context_handle attribute appears in the chain of types
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* without pointers being followed, then the context handle must
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* be direct, otherwise it is a pointer */
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int is_ch_ptr = is_aliaschain_attr(var->type, ATTR_CONTEXTHANDLE) ? FALSE : TRUE;
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print_server("(");
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write_type_decl_left(server, var->type);
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fprintf(server, ")%sNDRSContextValue(%s)", is_ch_ptr ? "" : "*", var->name);
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}
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else
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{
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print_server("");
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if (var->type->declarray)
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fprintf(server, "*");
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write_name(server, var);
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}
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}
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fprintf(server, ");\n");
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indent--;
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}
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else
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{
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fprintf(server, "();\n");
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}
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if (has_out_arg_or_return(func))
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{
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write_remoting_arguments(server, indent, func, PASS_OUT, PHASE_BUFFERSIZE);
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if (!is_void(def->type))
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write_remoting_arguments(server, indent, func, PASS_RETURN, PHASE_BUFFERSIZE);
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print_server("_pRpcMessage->BufferLength = _StubMsg.BufferLength;\n");
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fprintf(server, "\n");
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print_server("_Status = I_RpcGetBuffer(_pRpcMessage);\n");
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print_server("if (_Status)\n");
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indent++;
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print_server("RpcRaiseException(_Status);\n");
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indent--;
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fprintf(server, "\n");
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print_server("_StubMsg.Buffer = (unsigned char *)_pRpcMessage->Buffer;\n");
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fprintf(server, "\n");
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}
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/* marshall arguments */
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write_remoting_arguments(server, indent, func, PASS_OUT, PHASE_MARSHAL);
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/* marshall the return value */
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if (!is_void(def->type))
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write_remoting_arguments(server, indent, func, PASS_RETURN, PHASE_MARSHAL);
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indent--;
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print_server("}\n");
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print_server("RpcFinally\n");
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print_server("{\n");
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indent++;
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write_remoting_arguments(server, indent, func, PASS_OUT, PHASE_FREE);
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if (has_full_pointer)
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write_full_pointer_free(server, indent, func);
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indent--;
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print_server("}\n");
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print_server("RpcEndFinally\n");
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/* calculate buffer length */
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fprintf(server, "\n");
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print_server("_pRpcMessage->BufferLength =\n");
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indent++;
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print_server("(unsigned int)(_StubMsg.Buffer - (unsigned char *)_pRpcMessage->Buffer);\n");
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indent--;
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indent--;
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fprintf(server, "}\n");
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fprintf(server, "\n");
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/* update proc_offset */
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*proc_offset += get_size_procformatstring_func( func );
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}
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}
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static void write_dispatchtable(type_t *iface)
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{
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unsigned long ver = get_attrv(iface->attrs, ATTR_VERSION);
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unsigned long method_count = 0;
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const func_t *func;
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print_server("static RPC_DISPATCH_FUNCTION %s_table[] =\n", iface->name);
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print_server("{\n");
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indent++;
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if (iface->funcs) LIST_FOR_EACH_ENTRY( func, iface->funcs, const func_t, entry )
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{
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var_t *def = func->def;
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print_server("%s_", iface->name);
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write_name(server, def);
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fprintf(server, ",\n");
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method_count++;
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}
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print_server("0\n");
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indent--;
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print_server("};\n");
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print_server("RPC_DISPATCH_TABLE %s_v%d_%d_DispatchTable =\n", iface->name, MAJORVERSION(ver), MINORVERSION(ver));
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print_server("{\n");
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indent++;
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print_server("%u,\n", method_count);
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print_server("%s_table\n", iface->name);
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indent--;
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print_server("};\n");
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fprintf(server, "\n");
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}
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static void write_stubdescdecl(type_t *iface)
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{
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print_server("static const MIDL_STUB_DESC %s_StubDesc;\n", iface->name);
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fprintf(server, "\n");
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}
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static void write_stubdescriptor(type_t *iface, int expr_eval_routines)
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{
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print_server("static const MIDL_STUB_DESC %s_StubDesc =\n", iface->name);
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print_server("{\n");
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indent++;
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print_server("(void *)& %s___RpcServerInterface,\n", iface->name);
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print_server("MIDL_user_allocate,\n");
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print_server("MIDL_user_free,\n");
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print_server("{\n");
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indent++;
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print_server("0,\n");
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indent--;
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print_server("},\n");
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print_server("0,\n");
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print_server("0,\n");
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if (expr_eval_routines)
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print_server("ExprEvalRoutines,\n");
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else
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print_server("0,\n");
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print_server("0,\n");
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print_server("__MIDL_TypeFormatString.Format,\n");
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print_server("1, /* -error bounds_check flag */\n");
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print_server("0x10001, /* Ndr library version */\n");
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print_server("0,\n");
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print_server("0x50100a4, /* MIDL Version 5.1.164 */\n");
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print_server("0,\n");
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print_server("%s,\n", list_empty(&user_type_list) ? "0" : "UserMarshalRoutines");
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print_server("0, /* notify & notify_flag routine table */\n");
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print_server("1, /* Flags */\n");
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print_server("0, /* Reserved3 */\n");
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print_server("0, /* Reserved4 */\n");
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print_server("0 /* Reserved5 */\n");
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indent--;
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print_server("};\n");
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fprintf(server, "\n");
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}
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static void write_serverinterfacedecl(type_t *iface)
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{
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unsigned long ver = get_attrv(iface->attrs, ATTR_VERSION);
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UUID *uuid = get_attrp(iface->attrs, ATTR_UUID);
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const str_list_t *endpoints = get_attrp(iface->attrs, ATTR_ENDPOINT);
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if (endpoints) write_endpoints( server, iface->name, endpoints );
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print_server("extern RPC_DISPATCH_TABLE %s_v%d_%d_DispatchTable;\n", iface->name, MAJORVERSION(ver), MINORVERSION(ver));
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fprintf(server, "\n");
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print_server("static const RPC_SERVER_INTERFACE %s___RpcServerInterface =\n", iface->name );
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print_server("{\n");
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indent++;
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print_server("sizeof(RPC_SERVER_INTERFACE),\n");
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print_server("{{0x%08lx,0x%04x,0x%04x,{0x%02x,0x%02x,0x%02x,0x%02x,0x%02x,0x%02x,0x%02x,0x%02x}},{%d,%d}},\n",
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uuid->Data1, uuid->Data2, uuid->Data3, uuid->Data4[0], uuid->Data4[1],
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uuid->Data4[2], uuid->Data4[3], uuid->Data4[4], uuid->Data4[5], uuid->Data4[6],
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uuid->Data4[7], MAJORVERSION(ver), MINORVERSION(ver));
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print_server("{{0x8a885d04,0x1ceb,0x11c9,{0x9f,0xe8,0x08,0x00,0x2b,0x10,0x48,0x60}},{2,0}},\n"); /* FIXME */
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print_server("&%s_v%d_%d_DispatchTable,\n", iface->name, MAJORVERSION(ver), MINORVERSION(ver));
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if (endpoints)
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{
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print_server("%u,\n", list_count(endpoints));
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print_server("(PRPC_PROTSEQ_ENDPOINT)%s__RpcProtseqEndpoint,\n", iface->name);
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}
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else
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{
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print_server("0,\n");
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print_server("0,\n");
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}
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print_server("0,\n");
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print_server("0,\n");
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print_server("0,\n");
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indent--;
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print_server("};\n");
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if (old_names)
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print_server("RPC_IF_HANDLE %s_ServerIfHandle = (RPC_IF_HANDLE)& %s___RpcServerInterface;\n",
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iface->name, iface->name);
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else
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print_server("RPC_IF_HANDLE %s%s_v%d_%d_s_ifspec = (RPC_IF_HANDLE)& %s___RpcServerInterface;\n",
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prefix_server, iface->name, MAJORVERSION(ver), MINORVERSION(ver), iface->name);
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fprintf(server, "\n");
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}
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static void init_server(void)
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{
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if (server)
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return;
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if (!(server = fopen(server_name, "w")))
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error("Could not open %s for output\n", server_name);
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print_server("/*** Autogenerated by WIDL %s from %s - Do not edit ***/\n", PACKAGE_VERSION, input_name);
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print_server("#include <string.h>\n");
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fprintf(server, "\n");
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print_server("#include \"%s\"\n", header_name);
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fprintf(server, "\n");
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}
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void write_server(ifref_list_t *ifaces)
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{
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unsigned int proc_offset = 0;
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int expr_eval_routines;
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ifref_t *iface;
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if (!do_server)
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return;
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if (do_everything && !need_stub_files(ifaces))
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return;
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init_server();
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if (!server)
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return;
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write_formatstringsdecl(server, indent, ifaces, need_stub);
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expr_eval_routines = write_expr_eval_routines(server, server_token);
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if (expr_eval_routines)
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write_expr_eval_routine_list(server, server_token);
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write_user_quad_list(server);
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if (ifaces) LIST_FOR_EACH_ENTRY( iface, ifaces, ifref_t, entry )
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{
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if (!need_stub(iface->iface))
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continue;
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fprintf(server, "/*****************************************************************************\n");
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fprintf(server, " * %s interface\n", iface->iface->name);
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fprintf(server, " */\n");
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fprintf(server, "\n");
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if (iface->iface->funcs)
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{
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write_serverinterfacedecl(iface->iface);
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write_stubdescdecl(iface->iface);
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write_function_stubs(iface->iface, &proc_offset);
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print_server("#if !defined(__RPC_WIN32__)\n");
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print_server("#error Invalid build platform for this stub.\n");
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print_server("#endif\n");
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fprintf(server, "\n");
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write_stubdescriptor(iface->iface, expr_eval_routines);
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write_dispatchtable(iface->iface);
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}
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}
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fprintf(server, "\n");
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write_procformatstring(server, ifaces, need_stub);
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write_typeformatstring(server, ifaces, need_stub);
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fclose(server);
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}
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