- make the widl generated proxy-stub code compilable
- generate marshalling and unmarshalling code for proxies - generate exception handling constructs
This commit is contained in:
parent
e67a614fe4
commit
3f6c088767
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@ -2,6 +2,7 @@
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* IDL Compiler
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*
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* Copyright 2002 Ove Kaaven
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* Copyright 2004 Mike McCormack
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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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@ -36,30 +37,82 @@
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#include "header.h"
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static FILE* proxy;
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static int indent = 0;
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/* FIXME: support generation of stubless proxies */
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int print_proxy( char *format, ... )
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{
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va_list va;
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int i, r;
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va_start( va, format );
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for( i=0; i<indent; i++ )
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fprintf( proxy, " " );
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r = vfprintf( proxy, format, va );
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va_end( va );
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return r;
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}
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static void write_stubdescproto(void)
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{
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print_proxy( "extern const MIDL_STUB_DESC Object_StubDesc;\n");
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print_proxy( "\n");
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}
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static void write_stubdesc(void)
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{
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fprintf(proxy, "const MIDL_STUB_DESC Object_StubDesc = {\n");
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fprintf(proxy, " 0,\n");
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fprintf(proxy, " NdrOleAllocate,\n");
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fprintf(proxy, " NdrOleFree,\n");
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fprintf(proxy, " {0}, 0, 0, 0, 0,\n");
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fprintf(proxy, " 0 /* __MIDL_TypeFormatString.Format */\n");
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fprintf(proxy, "};\n");
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fprintf(proxy, "\n");
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print_proxy( "const MIDL_STUB_DESC Object_StubDesc = {\n");
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print_proxy( " 0,\n");
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print_proxy( " NdrOleAllocate,\n");
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print_proxy( " NdrOleFree,\n");
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print_proxy( " {0}, 0, 0, 0, 0,\n");
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print_proxy( " 0 /* __MIDL_TypeFormatString.Format */\n");
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print_proxy( "};\n");
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print_proxy( "\n");
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}
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static void write_formatdesc( char *str )
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{
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print_proxy( "typedef struct _MIDL_%s_FORMAT_STRING {\n", str );
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print_proxy( " short Pad;\n");
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print_proxy( " unsigned char Format[%s_FORMAT_STRING_SIZE];\n", str);
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print_proxy( "} MIDL_%s_FORMAT_STRING;\n", str);
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print_proxy( "\n");
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}
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static void write_formatstringsdecl(void)
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{
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print_proxy( "#define TYPE_FORMAT_STRING_SIZE %d\n",1); /* FIXME */
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print_proxy( "#define PROC_FORMAT_STRING_SIZE %d\n",1); /* FIXME */
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print_proxy( "\n");
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write_formatdesc( "TYPE" );
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write_formatdesc( "PROC" );
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print_proxy( "extern const MIDL_TYPE_FORMAT_STRING __MIDL_TypeFormatString;\n");
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print_proxy( "extern const MIDL_PROC_FORMAT_STRING __MIDL_ProcFormatString;\n");
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print_proxy( "\n");
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}
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static void init_proxy(void)
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{
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if (proxy) return;
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proxy = fopen(proxy_name, "w");
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fprintf(proxy, "/*** Autogenerated by WIDL %s - Do not edit ***/\n", WIDL_FULLVERSION);
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fprintf(proxy, "#include \"rpcproxy.h\"\n");
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fprintf(proxy, "#include \"%s\"\n", header_name);
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fprintf(proxy, "\n");
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write_stubdesc();
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print_proxy( "/*** Autogenerated by WIDL %s - Do not edit ***/\n", WIDL_FULLVERSION);
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print_proxy( "\n");
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print_proxy( "#ifndef __REDQ_RPCPROXY_H_VERSION__\n");
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print_proxy( "#define __REDQ_RPCPROXY_H_VERSION__ 440\n");
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print_proxy( "#endif /* __REDQ_RPCPROXY_H_VERSION__ */\n");
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print_proxy( "\n");
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print_proxy( "#include \"rpcproxy.h\"\n");
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print_proxy( "\n");
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print_proxy( "#ifndef __RPCPROXY_H_VERSION__\n");
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print_proxy( "#error This code needs a newer version of rpcproxy.h\n");
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print_proxy( "#endif /* __RPCPROXY_H_VERSION__ */\n");
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print_proxy( "\n");
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print_proxy( "#include \"%s\"\n", header_name);
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print_proxy( "\n");
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write_formatstringsdecl();
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write_stubdescproto();
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}
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static void clear_output_vars( var_t *arg )
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arg = NEXT_LINK(arg);
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}
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while (arg) {
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if (is_attr(arg->attrs, ATTR_OUT)) {
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fprintf( proxy, " if(%s)\n", arg->name );
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fprintf( proxy, " MIDL_memset( %s, 0, sizeof( ", arg->name );
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if (is_attr(arg->attrs, ATTR_OUT) && !is_attr(arg->attrs, ATTR_IN)) {
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print_proxy( "if(%s)\n", arg->name );
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print_proxy( " MIDL_memset( %s, 0, sizeof( ", arg->name );
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write_type(proxy, arg->type, arg, arg->tname);
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fprintf( proxy, " ));\n" );
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}
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@ -79,49 +132,221 @@ static void clear_output_vars( var_t *arg )
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}
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}
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static void gen_marshall_size( var_t *arg )
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{
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print_proxy( "_StubMsg.BufferLength = 0U;\n" );
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if (arg) {
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while (NEXT_LINK(arg))
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arg = NEXT_LINK(arg);
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}
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while (arg) {
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if (is_attr(arg->attrs, ATTR_IN)) {
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int index = 0;
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type_t *type = arg->type;
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/* find the base type */
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while( type->ref )
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type = type->ref;
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switch( type->type )
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{
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case RPC_FC_BYTE:
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case RPC_FC_CHAR:
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print_proxy( "_StubMsg.BufferLength += %d; /* %s */\n", 1, arg->name );
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break;
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case RPC_FC_SHORT:
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case RPC_FC_USHORT:
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case RPC_FC_ENUM16:
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print_proxy( "_StubMsg.BufferLength += %d; /* %s */\n", 2, arg->name );
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break;
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case RPC_FC_LONG:
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case RPC_FC_ULONG:
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case RPC_FC_ENUM32:
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print_proxy( "_StubMsg.BufferLength += %d; /* %s */\n", 4, arg->name );
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break;
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case RPC_FC_STRUCT:
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print_proxy( "NdrSimpleStructBufferSize(&_StubMsg, (unsigned char*)%s, ", arg->name );
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fprintf(proxy, "&__MIDL_TypeFormatString.Format[%d] );\n", index );
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break;
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default:
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printf("FIXME: arg %s has unknown type %d\n", arg->name, type->type );
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}
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}
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arg = PREV_LINK(arg);
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}
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}
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static void gen_marshall_copydata( var_t *arg )
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{
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if (arg) {
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while (NEXT_LINK(arg))
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arg = NEXT_LINK(arg);
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}
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while (arg) {
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if (is_attr(arg->attrs, ATTR_IN)) {
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int index = 0;
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type_t *type = arg->type;
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/* find the base type */
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while( type->ref )
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type = type->ref;
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switch( type->type )
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{
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case RPC_FC_BYTE:
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case RPC_FC_CHAR:
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case RPC_FC_SHORT:
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case RPC_FC_USHORT:
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case RPC_FC_ENUM16:
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case RPC_FC_LONG:
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case RPC_FC_ULONG:
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case RPC_FC_ENUM32:
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print_proxy( "*((");
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write_type(proxy, arg->type, arg, arg->tname);
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fprintf(proxy,"*)_StubMsg.Buffer)++ = %s;\n", arg->name );
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break;
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case RPC_FC_STRUCT:
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/* FIXME: add the format string, and set the index below */
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print_proxy( "NdrSimpleStructMarshall(&_StubMsg, (unsigned char*)%s, ", arg->name );
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fprintf(proxy, "&__MIDL_TypeFormatString.Format[%d]);\n", index );
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break;
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default:
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printf("FIXME: arg %s has unknown type %d\n", arg->name, type->type );
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}
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}
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arg = PREV_LINK(arg);
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}
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}
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static void gen_marshall( var_t *arg )
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{
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/* generated code to determine the size of the buffer required */
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gen_marshall_size( arg );
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/* generated code to allocate the buffer */
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print_proxy( "NdrProxyGetBuffer(This, &_StubMsg);\n" );
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/* generated code to copy the args into the buffer */
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gen_marshall_copydata( arg );
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print_proxy( "\n");
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}
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static void gen_unmarshall( var_t *arg )
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{
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if (arg) {
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while (NEXT_LINK(arg))
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arg = NEXT_LINK(arg);
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}
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while (arg) {
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if (is_attr(arg->attrs, ATTR_OUT)) {
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int index = 0;
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/* FIXME: add the format string, and set the index below */
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print_proxy( "NdrPointerUnmarshall(&_StubMsg, (unsigned char**)&%s, ", arg->name );
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fprintf(proxy, "&__MIDL_TypeFormatString.Format[%d], 0);\n", index );
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}
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arg = PREV_LINK(arg);
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}
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}
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static void gen_proxy(type_t *iface, func_t *cur, int idx)
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{
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var_t *def = cur->def;
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int has_ret = !is_void(def->type, def);
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indent = 0;
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write_type(proxy, def->type, def, def->tname);
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fprintf(proxy, " CALLBACK %s_", iface->name);
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print_proxy( " CALLBACK %s_", iface->name);
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write_name(proxy, def);
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fprintf(proxy, "_Proxy(\n");
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print_proxy( "_Proxy(\n");
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write_args(proxy, cur->args, iface->name, 1, TRUE);
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fprintf(proxy, ")\n");
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fprintf(proxy, "{\n");
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print_proxy( ")\n");
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print_proxy( "{\n");
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indent ++;
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/* local variables */
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if (has_ret) {
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fprintf(proxy, " ");
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print_proxy( "" );
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write_type(proxy, def->type, def, def->tname);
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fprintf(proxy, " _Ret;\n");
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print_proxy( " _Ret;\n");
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}
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fprintf(proxy, " RPC_MESSAGE _Msg;\n");
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fprintf(proxy, " MIDL_STUB_MESSAGE _StubMsg;\n");
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fprintf(proxy, "\n");
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print_proxy( "RPC_MESSAGE _Msg;\n" );
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print_proxy( "MIDL_STUB_MESSAGE _StubMsg;\n" );
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print_proxy( "\n");
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/* FIXME: trace */
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clear_output_vars( cur->args );
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fprintf(proxy, " NdrProxyInitialize(This, &_Msg, &_StubMsg, &Object_StubDesc, %d);\n", idx);
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print_proxy( "RpcTryExcept {\n" );
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indent++;
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print_proxy( "NdrProxyInitialize(This, &_Msg, &_StubMsg, &Object_StubDesc, %d);\n", idx);
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/* FIXME: size buffer */
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print_proxy( "RpcTryFinally {\n" );
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indent++;
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fprintf(proxy, " NdrProxyGetBuffer(This, &_StubMsg);\n");
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gen_marshall( cur->args );
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/* FIXME: marshall */
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print_proxy( "NdrProxySendReceive(This, &_StubMsg);\n" );
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print_proxy( "\n");
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fprintf(proxy, " NdrProxySendReceive(This, &_StubMsg);\n");
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gen_unmarshall( cur->args );
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if (has_ret) {
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/*
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* FIXME: We only need to round the buffer up if it could be unaligned...
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* We should calculate how much buffer we used and output the following
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* line only if necessary.
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*/
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print_proxy( "_StubMsg.Buffer = (unsigned char *)(((long)_StubMsg.Buffer + 3) & ~ 0x3);\n");
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/* FIXME: unmarshall */
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print_proxy( "_Ret = *((" );
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write_type(proxy, def->type, def, def->tname);
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fprintf(proxy, "*)_StubMsg.Buffer)++;\n");
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}
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fprintf(proxy, " NdrProxyFreeBuffer(This, &_StubMsg);\n");
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indent--;
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print_proxy( "}\n");
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print_proxy( "RpcFinally {\n" );
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indent++;
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print_proxy( "NdrProxyFreeBuffer(This, &_StubMsg);\n" );
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indent--;
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print_proxy( "}\n");
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print_proxy( "RpcEndFinally\n" );
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indent--;
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print_proxy( "}\n" );
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print_proxy( "RpcExcept(_StubMsg.dwStubPhase != PROXY_SENDRECEIVE)\n" );
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print_proxy( "{\n" );
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if (has_ret) {
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indent++;
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print_proxy( "_Ret = NdrProxyErrorHandler(RpcExceptionCode());\n" );
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indent--;
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}
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print_proxy( "}\n" );
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print_proxy( "RpcEndExcept\n" );
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if (has_ret) {
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fprintf(proxy, " return _Ret;\n");
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print_proxy( "return _Ret;\n" );
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}
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indent--;
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print_proxy( "}\n");
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print_proxy( "\n");
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}
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static void stub_clear_output_vars( var_t *arg )
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{
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while (arg) {
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print_proxy("(");
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write_type(proxy, arg->type, arg, arg->tname);
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fprintf(proxy, ") ");
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write_name(proxy, arg);
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fprintf(proxy, " = 0;\n");
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arg = NEXT_LINK(arg);
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}
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fprintf(proxy, "}\n");
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fprintf(proxy, "\n");
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}
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@ -131,25 +356,29 @@ static void gen_stub(type_t *iface, func_t *cur, char *cas)
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var_t *arg;
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int has_ret = !is_void(def->type, def);
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fprintf(proxy, "void __RPC_STUB %s_", iface->name);
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indent = 0;
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print_proxy( "void __RPC_STUB %s_", iface->name);
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write_name(proxy, def);
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fprintf(proxy, "_Stub(\n");
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fprintf(proxy, " IRpcStubBuffer* This,\n");
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fprintf(proxy, " IRpcChannelBuffer* pRpcChannelBuffer,\n");
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fprintf(proxy, " PRPC_MESSAGE pRpcMessage,\n");
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fprintf(proxy, " DWORD* pdwStubPhase)\n");
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fprintf(proxy, "{\n");
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print_proxy( "_Stub(\n");
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indent++;
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print_proxy( "IRpcStubBuffer* This,\n");
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print_proxy( "IRpcChannelBuffer* pRpcChannelBuffer,\n");
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print_proxy( "PRPC_MESSAGE pRpcMessage,\n");
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print_proxy( "DWORD* pdwStubPhase)\n");
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indent--;
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print_proxy( "{\n");
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indent++;
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/* local variables */
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if (has_ret) {
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fprintf(proxy, " ");
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print_proxy("");
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write_type(proxy, def->type, def, def->tname);
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fprintf(proxy, " _Ret;\n");
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}
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fprintf(proxy, " %s* _This = (%s*)((CStdStubBuffer*)This)->pvServerObject;\n", iface->name, iface->name);
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fprintf(proxy, " MIDL_STUB_MESSAGE _StubMsg;\n");
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print_proxy("%s* _This = (%s*)((CStdStubBuffer*)This)->pvServerObject;\n", iface->name, iface->name);
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print_proxy("MIDL_STUB_MESSAGE _StubMsg;\n");
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arg = cur->args;
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while (arg) {
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fprintf(proxy, " ");
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print_proxy("");
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write_type(proxy, arg->type, arg, arg->tname);
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fprintf(proxy, " ");
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write_name(proxy, arg);
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@ -159,14 +388,17 @@ static void gen_stub(type_t *iface, func_t *cur, char *cas)
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fprintf(proxy, "\n");
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/* FIXME: trace */
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/* FIXME: clear output vars? */
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fprintf(proxy, " NdrStubInitialize(pRpcMessage, &_StubMsg, &Object_StubDesc, pRpcChannelBuffer);\n");
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print_proxy("NdrStubInitialize(pRpcMessage, &_StubMsg, &Object_StubDesc, pRpcChannelBuffer);\n");
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fprintf(proxy, "\n");
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/* clear output vars */
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stub_clear_output_vars( cur->args );
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/* FIXME: unmarshall */
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fprintf(proxy, " *pdwStubPhase = STUB_CALL_SERVER;\n");
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fprintf(proxy, " ");
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print_proxy("*pdwStubPhase = STUB_CALL_SERVER;\n");
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print_proxy("");
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if (has_ret) fprintf(proxy, "_Ret = ");
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fprintf(proxy, "%s_", iface->name);
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if (cas) fprintf(proxy, "%s_Stub", cas);
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@ -182,16 +414,17 @@ static void gen_stub(type_t *iface, func_t *cur, char *cas)
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}
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}
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fprintf(proxy, ");\n");
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fprintf(proxy, " *pdwStubPhase = STUB_MARSHAL;\n");
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print_proxy("*pdwStubPhase = STUB_MARSHAL;\n");
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/* FIXME: size buffer */
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fprintf(proxy, " NdrStubGetBuffer(This, pRpcChannelBuffer, &_StubMsg);\n");
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print_proxy("NdrStubGetBuffer(This, pRpcChannelBuffer, &_StubMsg);\n");
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/* FIXME: marshall */
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indent--;
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fprintf(proxy, "}\n");
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fprintf(proxy, "\n");
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print_proxy("}\n");
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print_proxy("\n");
|
||||
}
|
||||
|
||||
static int write_proxy_methods(type_t *iface)
|
||||
|
@ -275,6 +508,8 @@ static void write_proxy(type_t *iface)
|
|||
cur = PREV_LINK(cur);
|
||||
}
|
||||
|
||||
write_stubdesc();
|
||||
|
||||
/* proxy vtable */
|
||||
fprintf(proxy, "const CINTERFACE_PROXY_VTABLE(%d) %sProxyVtbl = {\n", midx, iface->name);
|
||||
fprintf(proxy, " {&IID_%s},\n", iface->name);
|
||||
|
@ -322,6 +557,7 @@ void write_proxies(ifref_t *ifaces)
|
|||
fprintf(proxy, "const CInterfaceProxyVtbl* _%s_ProxyVtblList[] = {\n", file_id);
|
||||
cur = lcur;
|
||||
while (cur) {
|
||||
if(cur->iface->ref)
|
||||
fprintf(proxy, " (CInterfaceProxyVtbl*)&%sProxyVtbl,\n", cur->iface->name);
|
||||
cur = PREV_LINK(cur);
|
||||
}
|
||||
|
@ -332,6 +568,7 @@ void write_proxies(ifref_t *ifaces)
|
|||
fprintf(proxy, "const CInterfaceStubVtbl* _%s_StubVtblList[] = {\n", file_id);
|
||||
cur = lcur;
|
||||
while (cur) {
|
||||
if(cur->iface->ref)
|
||||
fprintf(proxy, " (CInterfaceStubVtbl*)&%sStubVtbl,\n", cur->iface->name);
|
||||
cur = PREV_LINK(cur);
|
||||
}
|
||||
|
@ -342,6 +579,7 @@ void write_proxies(ifref_t *ifaces)
|
|||
fprintf(proxy, "const PCInterfaceName _%s_InterfaceNamesList[] = {\n", file_id);
|
||||
cur = lcur;
|
||||
while (cur) {
|
||||
if(cur->iface->ref)
|
||||
fprintf(proxy, " \"%s\",\n", cur->iface->name);
|
||||
cur = PREV_LINK(cur);
|
||||
}
|
||||
|
@ -349,20 +587,23 @@ void write_proxies(ifref_t *ifaces)
|
|||
fprintf(proxy, "};\n");
|
||||
fprintf(proxy, "\n");
|
||||
|
||||
fprintf(proxy, "#define _%s_CHECK_IID(n) IID_GENERIC_CHECK_IID(_XXX, pIID, n)\n", file_id);
|
||||
fprintf(proxy, "#define _%s_CHECK_IID(n) IID_GENERIC_CHECK_IID(_%s, pIID, n)\n", file_id, file_id);
|
||||
fprintf(proxy, "\n");
|
||||
fprintf(proxy, "int __stdcall _%s_IID_Lookup(const IID* pIID, int* pIndex)\n", file_id);
|
||||
fprintf(proxy, "{\n");
|
||||
cur = lcur;
|
||||
c = 0;
|
||||
while (cur) {
|
||||
if(cur->iface->ref)
|
||||
{
|
||||
fprintf(proxy, " if (!_%s_CHECK_IID(%d)) {\n", file_id, c);
|
||||
fprintf(proxy, " *pIndex = %d\n", c);
|
||||
fprintf(proxy, " *pIndex = %d;\n", c);
|
||||
fprintf(proxy, " return 1;\n");
|
||||
fprintf(proxy, " }\n");
|
||||
cur = PREV_LINK(cur);
|
||||
c++;
|
||||
}
|
||||
cur = PREV_LINK(cur);
|
||||
}
|
||||
fprintf(proxy, " return 0;\n");
|
||||
fprintf(proxy, "}\n");
|
||||
fprintf(proxy, "\n");
|
||||
|
|
Loading…
Reference in New Issue