/* * IDL Compiler * * Copyright 2005-2006 Eric Kohl * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 2.1 of the License, or (at your option) any later version. * * This library is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA */ #include "config.h" #include "wine/port.h" #include <stdio.h> #include <stdlib.h> #ifdef HAVE_UNISTD_H # include <unistd.h> #endif #include <string.h> #include <ctype.h> #include "widl.h" #include "utils.h" #include "parser.h" #include "header.h" #include "typegen.h" static FILE* server; static int indent = 0; static void print_server(const char *format, ...) __attribute__((format (printf, 1, 2))); static void print_server(const char *format, ...) { va_list va; va_start(va, format); print(server, indent, format, va); va_end(va); } static void write_function_stub(const type_t *iface, const var_t *func, unsigned int proc_offset) { const var_t *var; unsigned char explicit_fc, implicit_fc; int has_full_pointer = is_full_pointer_function(func); const var_t *handle_var = get_func_handle_var( iface, func, &explicit_fc, &implicit_fc ); if (is_interpreted_func( iface, func )) return; print_server("struct __frame_%s_%s\n{\n", iface->name, get_name(func)); indent++; print_server("__DECL_EXCEPTION_FRAME\n"); print_server("MIDL_STUB_MESSAGE _StubMsg;\n"); /* Declare arguments */ declare_stub_args(server, indent, func); indent--; print_server("};\n\n"); print_server("static void __finally_%s_%s(", iface->name, get_name(func)); fprintf(server," struct __frame_%s_%s *__frame )\n{\n", iface->name, get_name(func)); indent++; write_remoting_arguments(server, indent, func, "__frame->", PASS_OUT, PHASE_FREE); if (!is_void(type_function_get_rettype(func->type))) write_remoting_arguments(server, indent, func, "__frame->", PASS_RETURN, PHASE_FREE); if (has_full_pointer) write_full_pointer_free(server, indent, func); indent--; print_server("}\n\n"); print_server("void __RPC_STUB %s_%s( PRPC_MESSAGE _pRpcMessage )\n", iface->name, get_name(func)); /* write the functions body */ fprintf(server, "{\n"); indent++; print_server("struct __frame_%s_%s __f, * const __frame = &__f;\n", iface->name, get_name(func)); if (has_out_arg_or_return(func)) print_server("RPC_STATUS _Status;\n"); fprintf(server, "\n"); print_server("NdrServerInitializeNew(\n"); indent++; print_server("_pRpcMessage,\n"); print_server("&__frame->_StubMsg,\n"); print_server("&%s_StubDesc);\n", iface->name); indent--; fprintf(server, "\n"); print_server( "RpcExceptionInit( __server_filter, __finally_%s_%s );\n", iface->name, get_name(func)); write_parameters_init(server, indent, func, "__frame->"); if (explicit_fc == RPC_FC_BIND_PRIMITIVE) { print_server("__frame->%s = _pRpcMessage->Handle;\n", handle_var->name); fprintf(server, "\n"); } print_server("RpcTryFinally\n"); print_server("{\n"); indent++; print_server("RpcTryExcept\n"); print_server("{\n"); indent++; if (has_full_pointer) write_full_pointer_init(server, indent, func, TRUE); if (type_get_function_args(func->type)) { print_server("if ((_pRpcMessage->DataRepresentation & 0x0000FFFFUL) != NDR_LOCAL_DATA_REPRESENTATION)\n"); indent++; print_server("NdrConvert(&__frame->_StubMsg, (PFORMAT_STRING)&__MIDL_ProcFormatString.Format[%u]);\n", proc_offset); indent--; fprintf(server, "\n"); /* unmarshall arguments */ write_remoting_arguments(server, indent, func, "__frame->", PASS_IN, PHASE_UNMARSHAL); } print_server("if (__frame->_StubMsg.Buffer > __frame->_StubMsg.BufferEnd)\n"); print_server("{\n"); indent++; print_server("RpcRaiseException(RPC_X_BAD_STUB_DATA);\n"); indent--; print_server("}\n"); indent--; print_server("}\n"); print_server("RpcExcept(RPC_BAD_STUB_DATA_EXCEPTION_FILTER)\n"); print_server("{\n"); indent++; print_server("RpcRaiseException(RPC_X_BAD_STUB_DATA);\n"); indent--; print_server("}\n"); print_server("RpcEndExcept\n"); fprintf(server, "\n"); /* Assign 'out' arguments */ assign_stub_out_args(server, indent, func, "__frame->"); /* Call the real server function */ print_server("%s%s%s", is_void(type_function_get_rettype(func->type)) ? "" : "__frame->_RetVal = ", prefix_server, get_name(func)); if (type_get_function_args(func->type)) { int first_arg = 1; fprintf(server, "(\n"); indent++; LIST_FOR_EACH_ENTRY( var, type_get_function_args(func->type), const var_t, entry ) { if (first_arg) first_arg = 0; else fprintf(server, ",\n"); if (is_context_handle(var->type)) { /* if the context_handle attribute appears in the chain of types * without pointers being followed, then the context handle must * be direct, otherwise it is a pointer */ const char *ch_ptr = is_aliaschain_attr(var->type, ATTR_CONTEXTHANDLE) ? "*" : ""; print_server("("); write_type_decl_left(server, var->type); fprintf(server, ")%sNDRSContextValue(__frame->%s)", ch_ptr, var->name); } else { print_server("%s__frame->%s", is_array(var->type) && !type_array_is_decl_as_ptr(var->type) ? "*" : "", var->name); } } fprintf(server, ");\n"); indent--; } else { fprintf(server, "();\n"); } if (has_out_arg_or_return(func)) { write_remoting_arguments(server, indent, func, "__frame->", PASS_OUT, PHASE_BUFFERSIZE); if (!is_void(type_function_get_rettype(func->type))) write_remoting_arguments(server, indent, func, "__frame->", PASS_RETURN, PHASE_BUFFERSIZE); print_server("_pRpcMessage->BufferLength = __frame->_StubMsg.BufferLength;\n"); fprintf(server, "\n"); print_server("_Status = I_RpcGetBuffer(_pRpcMessage);\n"); print_server("if (_Status)\n"); indent++; print_server("RpcRaiseException(_Status);\n"); indent--; fprintf(server, "\n"); print_server("__frame->_StubMsg.Buffer = _pRpcMessage->Buffer;\n"); fprintf(server, "\n"); } /* marshall arguments */ write_remoting_arguments(server, indent, func, "__frame->", PASS_OUT, PHASE_MARSHAL); /* marshall the return value */ if (!is_void(type_function_get_rettype(func->type))) write_remoting_arguments(server, indent, func, "__frame->", PASS_RETURN, PHASE_MARSHAL); indent--; print_server("}\n"); print_server("RpcFinally\n"); print_server("{\n"); indent++; print_server("__finally_%s_%s( __frame );\n", iface->name, get_name(func)); indent--; print_server("}\n"); print_server("RpcEndFinally\n"); /* calculate buffer length */ fprintf(server, "\n"); print_server("_pRpcMessage->BufferLength = __frame->_StubMsg.Buffer - (unsigned char *)_pRpcMessage->Buffer;\n"); indent--; fprintf(server, "}\n"); fprintf(server, "\n"); } static void write_function_stubs(type_t *iface, unsigned int *proc_offset) { const statement_t *stmt; STATEMENTS_FOR_EACH_FUNC( stmt, type_iface_get_stmts(iface) ) { var_t *func = stmt->u.var; write_function_stub( iface, func, *proc_offset ); /* update proc_offset */ func->procstring_offset = *proc_offset; *proc_offset += get_size_procformatstring_func( iface, func ); } } static void write_dispatchtable(type_t *iface) { unsigned int ver = get_attrv(iface->attrs, ATTR_VERSION); unsigned int method_count = 0; const statement_t *stmt; print_server("static RPC_DISPATCH_FUNCTION %s_table[] =\n", iface->name); print_server("{\n"); indent++; STATEMENTS_FOR_EACH_FUNC( stmt, type_iface_get_stmts(iface) ) { var_t *func = stmt->u.var; if (is_interpreted_func( iface, func )) print_server("%s,\n", get_stub_mode() == MODE_Oif ? "NdrServerCall2" : "NdrServerCall"); else print_server("%s_%s,\n", iface->name, get_name(func)); method_count++; } print_server("0\n"); indent--; print_server("};\n"); print_server("static RPC_DISPATCH_TABLE %s_v%d_%d_DispatchTable =\n", iface->name, MAJORVERSION(ver), MINORVERSION(ver)); print_server("{\n"); indent++; print_server("%u,\n", method_count); print_server("%s_table\n", iface->name); indent--; print_server("};\n"); fprintf(server, "\n"); } static void write_routinetable(type_t *iface) { const statement_t *stmt; print_server( "static const SERVER_ROUTINE %s_ServerRoutineTable[] =\n", iface->name ); print_server( "{\n" ); indent++; STATEMENTS_FOR_EACH_FUNC( stmt, type_iface_get_stmts(iface) ) { var_t *func = stmt->u.var; if (is_local( func->attrs )) continue; print_server( "(SERVER_ROUTINE)%s%s,\n", prefix_server, get_name(func)); } indent--; print_server( "};\n\n" ); } static void write_rundown_routines(void) { context_handle_t *ch; int count = list_count( &context_handle_list ); if (!count) return; print_server( "static const NDR_RUNDOWN RundownRoutines[] =\n" ); print_server( "{\n" ); indent++; LIST_FOR_EACH_ENTRY( ch, &context_handle_list, context_handle_t, entry ) { print_server( "%s_rundown", ch->name ); if (--count) fputc( ',', server ); fputc( '\n', server ); } indent--; print_server( "};\n\n" ); } static void write_serverinfo(type_t *iface) { print_server( "static const MIDL_SERVER_INFO %s_ServerInfo =\n", iface->name ); print_server( "{\n" ); indent++; print_server( "&%s_StubDesc,\n", iface->name ); print_server( "%s_ServerRoutineTable,\n", iface->name ); print_server( "__MIDL_ProcFormatString.Format,\n" ); print_server( "%s_FormatStringOffsetTable,\n", iface->name ); print_server( "0,\n" ); print_server( "0,\n" ); print_server( "0,\n" ); print_server( "0\n" ); indent--; print_server( "};\n\n" ); } static void write_stubdescdecl(type_t *iface) { print_server("static const MIDL_STUB_DESC %s_StubDesc;\n", iface->name); fprintf(server, "\n"); } static void write_stubdescriptor(type_t *iface, int expr_eval_routines) { print_server("static const MIDL_STUB_DESC %s_StubDesc =\n", iface->name); print_server("{\n"); indent++; print_server("(void *)& %s___RpcServerInterface,\n", iface->name); print_server("MIDL_user_allocate,\n"); print_server("MIDL_user_free,\n"); print_server("{\n"); indent++; print_server("0,\n"); indent--; print_server("},\n"); if (!list_empty( &context_handle_list )) print_server("RundownRoutines,\n"); else print_server("0,\n"); print_server("0,\n"); if (expr_eval_routines) print_server("ExprEvalRoutines,\n"); else print_server("0,\n"); print_server("0,\n"); print_server("__MIDL_TypeFormatString.Format,\n"); print_server("1, /* -error bounds_check flag */\n"); print_server("0x%x, /* Ndr library version */\n", get_stub_mode() == MODE_Oif ? 0x50002 : 0x10001); print_server("0,\n"); print_server("0x50100a4, /* MIDL Version 5.1.164 */\n"); print_server("0,\n"); print_server("%s,\n", list_empty(&user_type_list) ? "0" : "UserMarshalRoutines"); print_server("0, /* notify & notify_flag routine table */\n"); print_server("1, /* Flags */\n"); print_server("0, /* Reserved3 */\n"); print_server("0, /* Reserved4 */\n"); print_server("0 /* Reserved5 */\n"); indent--; print_server("};\n"); fprintf(server, "\n"); } static void write_serverinterfacedecl(type_t *iface) { unsigned int ver = get_attrv(iface->attrs, ATTR_VERSION); UUID *uuid = get_attrp(iface->attrs, ATTR_UUID); const str_list_t *endpoints = get_attrp(iface->attrs, ATTR_ENDPOINT); if (endpoints) write_endpoints( server, iface->name, endpoints ); print_server("static RPC_DISPATCH_TABLE %s_v%d_%d_DispatchTable;\n", iface->name, MAJORVERSION(ver), MINORVERSION(ver)); print_server( "static const MIDL_SERVER_INFO %s_ServerInfo;\n", iface->name ); fprintf(server, "\n"); print_server("static const RPC_SERVER_INTERFACE %s___RpcServerInterface =\n", iface->name ); print_server("{\n"); indent++; print_server("sizeof(RPC_SERVER_INTERFACE),\n"); print_server("{{0x%08x,0x%04x,0x%04x,{0x%02x,0x%02x,0x%02x,0x%02x,0x%02x,0x%02x,0x%02x,0x%02x}},{%d,%d}},\n", uuid->Data1, uuid->Data2, uuid->Data3, uuid->Data4[0], uuid->Data4[1], uuid->Data4[2], uuid->Data4[3], uuid->Data4[4], uuid->Data4[5], uuid->Data4[6], uuid->Data4[7], MAJORVERSION(ver), MINORVERSION(ver)); print_server("{{0x8a885d04,0x1ceb,0x11c9,{0x9f,0xe8,0x08,0x00,0x2b,0x10,0x48,0x60}},{2,0}},\n"); /* FIXME */ print_server("&%s_v%d_%d_DispatchTable,\n", iface->name, MAJORVERSION(ver), MINORVERSION(ver)); if (endpoints) { print_server("%u,\n", list_count(endpoints)); print_server("(PRPC_PROTSEQ_ENDPOINT)%s__RpcProtseqEndpoint,\n", iface->name); } else { print_server("0,\n"); print_server("0,\n"); } print_server("0,\n"); print_server("&%s_ServerInfo,\n", iface->name); print_server("0,\n"); indent--; print_server("};\n"); if (old_names) print_server("RPC_IF_HANDLE %s_ServerIfHandle DECLSPEC_HIDDEN = (RPC_IF_HANDLE)& %s___RpcServerInterface;\n", iface->name, iface->name); else print_server("RPC_IF_HANDLE %s%s_v%d_%d_s_ifspec DECLSPEC_HIDDEN = (RPC_IF_HANDLE)& %s___RpcServerInterface;\n", prefix_server, iface->name, MAJORVERSION(ver), MINORVERSION(ver), iface->name); fprintf(server, "\n"); } static void init_server(void) { if (server) return; if (!(server = fopen(server_name, "w"))) error("Could not open %s for output\n", server_name); print_server("/*** Autogenerated by WIDL %s from %s - Do not edit ***/\n", PACKAGE_VERSION, input_name); print_server("#include <string.h>\n"); fprintf(server, "\n"); print_server("#include \"%s\"\n", header_name); print_server("\n"); print_server( "#ifndef DECLSPEC_HIDDEN\n"); print_server( "#define DECLSPEC_HIDDEN\n"); print_server( "#endif\n"); print_server( "\n"); } static void write_server_stmts(const statement_list_t *stmts, int expr_eval_routines, unsigned int *proc_offset) { const statement_t *stmt; if (stmts) LIST_FOR_EACH_ENTRY( stmt, stmts, const statement_t, entry ) { if (stmt->type == STMT_TYPE && type_get_type(stmt->u.type) == TYPE_INTERFACE) { type_t *iface = stmt->u.type; if (!need_stub(iface)) continue; fprintf(server, "/*****************************************************************************\n"); fprintf(server, " * %s interface\n", iface->name); fprintf(server, " */\n"); fprintf(server, "\n"); if (statements_has_func(type_iface_get_stmts(iface))) { write_serverinterfacedecl(iface); write_stubdescdecl(iface); write_function_stubs(iface, proc_offset); print_server("#if !defined(__RPC_WIN%u__)\n", pointer_size == 8 ? 64 : 32); print_server("#error Invalid build platform for this stub.\n"); print_server("#endif\n"); fprintf(server, "\n"); write_procformatstring_offsets( server, iface ); write_stubdescriptor(iface, expr_eval_routines); write_dispatchtable(iface); write_routinetable(iface); write_serverinfo(iface); } } } } static void write_server_routines(const statement_list_t *stmts) { unsigned int proc_offset = 0; int expr_eval_routines; if (need_inline_stubs_file( stmts )) { write_exceptions( server ); print_server("\n"); print_server("struct __server_frame\n"); print_server("{\n"); print_server(" __DECL_EXCEPTION_FRAME\n"); print_server(" MIDL_STUB_MESSAGE _StubMsg;\n"); print_server("};\n"); print_server("\n"); print_server("static int __server_filter( struct __server_frame *__frame )\n"); print_server( "{\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"); } write_formatstringsdecl(server, indent, stmts, need_stub); expr_eval_routines = write_expr_eval_routines(server, server_token); if (expr_eval_routines) write_expr_eval_routine_list(server, server_token); write_user_quad_list(server); write_rundown_routines(); write_server_stmts(stmts, expr_eval_routines, &proc_offset); write_procformatstring(server, stmts, need_stub); write_typeformatstring(server, stmts, need_stub); } void write_server(const statement_list_t *stmts) { if (!do_server) return; if (do_everything && !need_stub_files(stmts)) return; init_server(); if (!server) return; if (do_win32 && do_win64) { fprintf(server, "#ifndef _WIN64\n\n"); pointer_size = 4; write_server_routines( stmts ); fprintf(server, "\n#else /* _WIN64 */\n\n"); pointer_size = 8; write_server_routines( stmts ); fprintf(server, "\n#endif /* _WIN64 */\n"); } else if (do_win32) { pointer_size = 4; write_server_routines( stmts ); } else if (do_win64) { pointer_size = 8; write_server_routines( stmts ); } fclose(server); }