widl: Avoid using GetExceptionCode outside of an exception handler.

tools/widl/server.c

@@ -392,7 +392,10 @@ static void init_server(void)
     print_server("\n");
     print_server("static int __server_filter( struct __server_frame *__frame )\n");
     print_server( "{\n");
-    print_server( "    return RPC_BAD_STUB_DATA_EXCEPTION_FILTER;\n");
+    print_server( "    return (__frame->code == STATUS_ACCESS_VIOLATION) ||\n");
+    print_server( "           (__frame->code == STATUS_DATATYPE_MISALIGNMENT) ||\n");
+    print_server( "           (__frame->code == RPC_X_BAD_STUB_DATA) ||\n");
+    print_server( "           (__frame->code == RPC_S_INVALID_BOUND);\n");
     print_server( "}\n");
     print_server( "\n");
 }

tools/widl/typegen.c

@@ -3686,7 +3686,8 @@ void write_exceptions( FILE *file )
     fprintf( file, "#else /* USE_COMPILER_EXCEPTIONS */\n");
     fprintf( file, "\n");
     fprintf( file, "#define RpcExceptionInit(filter_func,finally_func) do {} while(0)\n");
-    fprintf( file, "#define __DECL_EXCEPTION_FRAME\n");
+    fprintf( file, "#define __DECL_EXCEPTION_FRAME \\\n");
+    fprintf( file, "    DWORD code;\n");
     fprintf( file, "\n");
     fprintf( file, "#endif /* USE_COMPILER_EXCEPTIONS */\n");
 }