| /* |
| * 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 "widltypes.h" |
| #include "typegen.h" |
| #include "expr.h" |
| |
| static FILE* client; |
| static int indent = 0; |
| |
| static void print_client( const char *format, ... ) __attribute__((format (printf, 1, 2))); |
| static void print_client( const char *format, ... ) |
| { |
| va_list va; |
| va_start(va, format); |
| print(client, indent, format, va); |
| va_end(va); |
| } |
| |
| |
| static void check_pointers(const var_t *func) |
| { |
| const var_t *var; |
| |
| if (!type_get_function_args(func->type)) |
| return; |
| |
| LIST_FOR_EACH_ENTRY( var, type_get_function_args(func->type), const var_t, entry ) |
| { |
| if (is_var_ptr(var) && cant_be_null(var)) |
| { |
| print_client("if (!%s)\n", var->name); |
| print_client("{\n"); |
| indent++; |
| print_client("RpcRaiseException(RPC_X_NULL_REF_POINTER);\n"); |
| indent--; |
| print_client("}\n\n"); |
| } |
| } |
| } |
| |
| static void write_function_stubs(type_t *iface, unsigned int *proc_offset) |
| { |
| const statement_t *stmt; |
| const char *implicit_handle = get_attrp(iface->attrs, ATTR_IMPLICIT_HANDLE); |
| const var_t *var; |
| int method_count = 0; |
| |
| if (!implicit_handle) |
| print_client("static RPC_BINDING_HANDLE %s__MIDL_AutoBindHandle;\n\n", iface->name); |
| |
| STATEMENTS_FOR_EACH_FUNC( stmt, type_iface_get_stmts(iface) ) |
| { |
| const var_t *func = stmt->u.var; |
| const var_t* explicit_handle_var; |
| const var_t* explicit_generic_handle_var = NULL; |
| const var_t* context_handle_var = NULL; |
| int has_full_pointer = is_full_pointer_function(func); |
| const char *callconv = get_attrp(func->type->attrs, ATTR_CALLCONV); |
| const var_list_t *args = type_get_function_args(func->type); |
| |
| /* check for a defined binding handle */ |
| explicit_handle_var = get_explicit_handle_var(func); |
| if (!explicit_handle_var) |
| { |
| explicit_generic_handle_var = get_explicit_generic_handle_var(func); |
| if (!explicit_generic_handle_var) |
| context_handle_var = get_context_handle_var(func); |
| } |
| |
| print_client( "struct __frame_%s%s\n{\n", prefix_client, get_name(func) ); |
| indent++; |
| print_client( "__DECL_EXCEPTION_FRAME\n" ); |
| print_client("MIDL_STUB_MESSAGE _StubMsg;\n"); |
| if (implicit_handle || explicit_handle_var || explicit_generic_handle_var || context_handle_var) |
| { |
| if (!implicit_handle && explicit_generic_handle_var) |
| print_client("%s %s;\n", |
| get_explicit_generic_handle_type(explicit_generic_handle_var)->name, |
| explicit_generic_handle_var->name ); |
| print_client("RPC_BINDING_HANDLE _Handle;\n"); |
| } |
| |
| if (!is_void(type_function_get_rettype(func->type)) && |
| decl_indirect(type_function_get_rettype(func->type))) |
| { |
| print_client("void *_p_%s;\n", "_RetVal" ); |
| } |
| indent--; |
| print_client( "};\n\n" ); |
| |
| print_client( "static void __finally_%s%s(", prefix_client, get_name(func) ); |
| print_client( " struct __frame_%s%s *__frame )\n{\n", prefix_client, get_name(func) ); |
| indent++; |
| |
| if (has_full_pointer) |
| write_full_pointer_free(client, indent, func); |
| |
| print_client("NdrFreeBuffer(&__frame->_StubMsg);\n"); |
| |
| if (!implicit_handle && explicit_generic_handle_var) |
| { |
| fprintf(client, "\n"); |
| print_client("if (__frame->_Handle)\n"); |
| indent++; |
| print_client("%s_unbind(__frame->%s, __frame->_Handle);\n", |
| get_explicit_generic_handle_type(explicit_generic_handle_var)->name, |
| explicit_generic_handle_var->name); |
| indent--; |
| } |
| indent--; |
| print_client( "}\n\n" ); |
| |
| write_type_decl_left(client, type_function_get_rettype(func->type)); |
| if (needs_space_after(type_function_get_rettype(func->type))) |
| fprintf(client, " "); |
| if (callconv) fprintf(client, "%s ", callconv); |
| fprintf(client, "%s%s(\n", prefix_client, get_name(func)); |
| indent++; |
| if (args) |
| write_args(client, args, iface->name, 0, TRUE); |
| else |
| print_client("void"); |
| fprintf(client, ")\n"); |
| indent--; |
| |
| /* write the functions body */ |
| fprintf(client, "{\n"); |
| indent++; |
| print_client( "struct __frame_%s%s __f, * const __frame = &__f;\n", prefix_client, get_name(func) ); |
| |
| /* declare return value '_RetVal' */ |
| if (!is_void(type_function_get_rettype(func->type))) |
| { |
| print_client("%s", ""); |
| write_type_decl_left(client, type_function_get_rettype(func->type)); |
| fprintf(client, " _RetVal;\n"); |
| } |
| print_client("RPC_MESSAGE _RpcMessage;\n"); |
| |
| if (implicit_handle || explicit_handle_var || explicit_generic_handle_var || context_handle_var) |
| { |
| print_client( "__frame->_Handle = 0;\n" ); |
| if (!implicit_handle && explicit_generic_handle_var) |
| print_client("__frame->%s = %s;\n", |
| explicit_generic_handle_var->name, explicit_generic_handle_var->name ); |
| } |
| if (!is_void(type_function_get_rettype(func->type)) && |
| decl_indirect(type_function_get_rettype(func->type))) |
| { |
| print_client("__frame->_p_%s = &%s;\n", |
| "_RetVal", "_RetVal"); |
| } |
| fprintf(client, "\n"); |
| |
| print_client( "RpcExceptionInit( 0, __finally_%s%s );\n", prefix_client, get_name(func) ); |
| |
| if (has_full_pointer) |
| write_full_pointer_init(client, indent, func, FALSE); |
| |
| /* check pointers */ |
| check_pointers(func); |
| |
| print_client("RpcTryFinally\n"); |
| print_client("{\n"); |
| indent++; |
| |
| print_client("NdrClientInitializeNew(&_RpcMessage, &__frame->_StubMsg, &%s_StubDesc, %d);\n", |
| iface->name, method_count); |
| |
| if (is_attr(func->attrs, ATTR_IDEMPOTENT) || is_attr(func->attrs, ATTR_BROADCAST)) |
| { |
| print_client("_RpcMessage.RpcFlags = ( RPC_NCA_FLAGS_DEFAULT "); |
| if (is_attr(func->attrs, ATTR_IDEMPOTENT)) |
| fprintf(client, "| RPC_NCA_FLAGS_IDEMPOTENT "); |
| if (is_attr(func->attrs, ATTR_BROADCAST)) |
| fprintf(client, "| RPC_NCA_FLAGS_BROADCAST "); |
| fprintf(client, ");\n\n"); |
| } |
| |
| if (explicit_handle_var) |
| { |
| print_client("__frame->_Handle = %s;\n", explicit_handle_var->name); |
| fprintf(client, "\n"); |
| } |
| else if (explicit_generic_handle_var) |
| { |
| print_client("__frame->_Handle = %s_bind(%s);\n", |
| get_explicit_generic_handle_type(explicit_generic_handle_var)->name, |
| explicit_generic_handle_var->name); |
| fprintf(client, "\n"); |
| } |
| else if (context_handle_var) |
| { |
| /* 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 */ |
| int is_ch_ptr = is_aliaschain_attr(context_handle_var->type, ATTR_CONTEXTHANDLE) ? FALSE : TRUE; |
| print_client("if (%s%s != 0)\n", is_ch_ptr ? "*" : "", context_handle_var->name); |
| indent++; |
| print_client("__frame->_Handle = NDRCContextBinding(%s%s);\n", |
| is_ch_ptr ? "*" : "", context_handle_var->name); |
| indent--; |
| if (is_attr(context_handle_var->attrs, ATTR_IN) && |
| !is_attr(context_handle_var->attrs, ATTR_OUT)) |
| { |
| print_client("else\n"); |
| indent++; |
| print_client("RpcRaiseException(RPC_X_SS_IN_NULL_CONTEXT);\n"); |
| indent--; |
| } |
| fprintf(client, "\n"); |
| } |
| else if (implicit_handle) |
| { |
| print_client("__frame->_Handle = %s;\n", implicit_handle); |
| fprintf(client, "\n"); |
| } |
| |
| write_remoting_arguments(client, indent, func, "", PASS_IN, PHASE_BUFFERSIZE); |
| |
| print_client("NdrGetBuffer(&__frame->_StubMsg, __frame->_StubMsg.BufferLength, "); |
| if (implicit_handle || explicit_handle_var || explicit_generic_handle_var || context_handle_var) |
| fprintf(client, "__frame->_Handle);\n\n"); |
| else |
| fprintf(client,"%s__MIDL_AutoBindHandle);\n\n", iface->name); |
| |
| /* marshal arguments */ |
| write_remoting_arguments(client, indent, func, "", PASS_IN, PHASE_MARSHAL); |
| |
| /* send/receive message */ |
| /* print_client("NdrNsSendReceive(\n"); */ |
| /* print_client("(unsigned char *)__frame->_StubMsg.Buffer,\n"); */ |
| /* print_client("(RPC_BINDING_HANDLE *) &%s__MIDL_AutoBindHandle);\n", iface->name); */ |
| print_client("NdrSendReceive(&__frame->_StubMsg, __frame->_StubMsg.Buffer);\n\n"); |
| |
| print_client("__frame->_StubMsg.BufferStart = _RpcMessage.Buffer;\n"); |
| print_client("__frame->_StubMsg.BufferEnd = __frame->_StubMsg.BufferStart + _RpcMessage.BufferLength;\n"); |
| |
| if (has_out_arg_or_return(func)) |
| { |
| fprintf(client, "\n"); |
| |
| print_client("if ((_RpcMessage.DataRepresentation & 0x0000FFFFUL) != NDR_LOCAL_DATA_REPRESENTATION)\n"); |
| indent++; |
| print_client("NdrConvert(&__frame->_StubMsg, (PFORMAT_STRING)&__MIDL_ProcFormatString.Format[%u]);\n", |
| *proc_offset); |
| indent--; |
| } |
| |
| /* unmarshall arguments */ |
| fprintf(client, "\n"); |
| write_remoting_arguments(client, indent, func, "", PASS_OUT, PHASE_UNMARSHAL); |
| |
| /* unmarshal return value */ |
| if (!is_void(type_function_get_rettype(func->type))) |
| { |
| if (decl_indirect(type_function_get_rettype(func->type))) |
| print_client("MIDL_memset(&%s, 0, sizeof(%s));\n", "_RetVal", "_RetVal"); |
| else if (is_ptr(type_function_get_rettype(func->type)) || |
| is_array(type_function_get_rettype(func->type))) |
| print_client("%s = 0;\n", "_RetVal"); |
| write_remoting_arguments(client, indent, func, "", PASS_RETURN, PHASE_UNMARSHAL); |
| } |
| |
| /* update proc_offset */ |
| if (args) |
| { |
| LIST_FOR_EACH_ENTRY( var, args, const var_t, entry ) |
| *proc_offset += get_size_procformatstring_type(var->name, var->type, var->attrs); |
| } |
| if (!is_void(type_function_get_rettype(func->type))) |
| *proc_offset += get_size_procformatstring_type("return value", type_function_get_rettype(func->type), NULL); |
| else |
| *proc_offset += 2; /* FC_END and FC_PAD */ |
| |
| indent--; |
| print_client("}\n"); |
| print_client("RpcFinally\n"); |
| print_client("{\n"); |
| indent++; |
| print_client( "__finally_%s%s( __frame );\n", prefix_client, get_name(func) ); |
| indent--; |
| print_client("}\n"); |
| print_client("RpcEndFinally\n"); |
| |
| |
| /* emit return code */ |
| if (!is_void(type_function_get_rettype(func->type))) |
| { |
| fprintf(client, "\n"); |
| print_client("return _RetVal;\n"); |
| } |
| |
| indent--; |
| fprintf(client, "}\n"); |
| fprintf(client, "\n"); |
| |
| method_count++; |
| } |
| } |
| |
| |
| static void write_stubdescdecl(type_t *iface) |
| { |
| print_client("static const MIDL_STUB_DESC %s_StubDesc;\n", iface->name); |
| fprintf(client, "\n"); |
| } |
| |
| |
| static void write_stubdescriptor(type_t *iface, int expr_eval_routines) |
| { |
| const char *implicit_handle = get_attrp(iface->attrs, ATTR_IMPLICIT_HANDLE); |
| |
| print_client("static const MIDL_STUB_DESC %s_StubDesc =\n", iface->name); |
| print_client("{\n"); |
| indent++; |
| print_client("(void *)& %s___RpcClientInterface,\n", iface->name); |
| print_client("MIDL_user_allocate,\n"); |
| print_client("MIDL_user_free,\n"); |
| print_client("{\n"); |
| indent++; |
| if (implicit_handle) |
| print_client("&%s,\n", implicit_handle); |
| else |
| print_client("&%s__MIDL_AutoBindHandle,\n", iface->name); |
| indent--; |
| print_client("},\n"); |
| print_client("0,\n"); |
| print_client("0,\n"); |
| if (expr_eval_routines) |
| print_client("ExprEvalRoutines,\n"); |
| else |
| print_client("0,\n"); |
| print_client("0,\n"); |
| print_client("__MIDL_TypeFormatString.Format,\n"); |
| print_client("1, /* -error bounds_check flag */\n"); |
| print_client("0x10001, /* Ndr library version */\n"); |
| print_client("0,\n"); |
| print_client("0x50100a4, /* MIDL Version 5.1.164 */\n"); |
| print_client("0,\n"); |
| print_client("%s,\n", list_empty(&user_type_list) ? "0" : "UserMarshalRoutines"); |
| print_client("0, /* notify & notify_flag routine table */\n"); |
| print_client("1, /* Flags */\n"); |
| print_client("0, /* Reserved3 */\n"); |
| print_client("0, /* Reserved4 */\n"); |
| print_client("0 /* Reserved5 */\n"); |
| indent--; |
| print_client("};\n"); |
| fprintf(client, "\n"); |
| } |
| |
| |
| static void write_clientinterfacedecl(type_t *iface) |
| { |
| unsigned int ver = get_attrv(iface->attrs, ATTR_VERSION); |
| const UUID *uuid = get_attrp(iface->attrs, ATTR_UUID); |
| const str_list_t *endpoints = get_attrp(iface->attrs, ATTR_ENDPOINT); |
| |
| if (endpoints) write_endpoints( client, iface->name, endpoints ); |
| |
| print_client("static const RPC_CLIENT_INTERFACE %s___RpcClientInterface =\n", iface->name ); |
| print_client("{\n"); |
| indent++; |
| print_client("sizeof(RPC_CLIENT_INTERFACE),\n"); |
| print_client("{{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_client("{{0x8a885d04,0x1ceb,0x11c9,{0x9f,0xe8,0x08,0x00,0x2b,0x10,0x48,0x60}},{2,0}},\n"); /* FIXME */ |
| print_client("0,\n"); |
| if (endpoints) |
| { |
| print_client("%u,\n", list_count(endpoints)); |
| print_client("(PRPC_PROTSEQ_ENDPOINT)%s__RpcProtseqEndpoint,\n", iface->name); |
| } |
| else |
| { |
| print_client("0,\n"); |
| print_client("0,\n"); |
| } |
| print_client("0,\n"); |
| print_client("0,\n"); |
| print_client("0,\n"); |
| indent--; |
| print_client("};\n"); |
| if (old_names) |
| print_client("RPC_IF_HANDLE %s_ClientIfHandle DECLSPEC_HIDDEN = (RPC_IF_HANDLE)& %s___RpcClientInterface;\n", |
| iface->name, iface->name); |
| else |
| print_client("RPC_IF_HANDLE %s%s_v%d_%d_c_ifspec DECLSPEC_HIDDEN = (RPC_IF_HANDLE)& %s___RpcClientInterface;\n", |
| prefix_client, iface->name, MAJORVERSION(ver), MINORVERSION(ver), iface->name); |
| fprintf(client, "\n"); |
| } |
| |
| |
| static void write_implicithandledecl(type_t *iface) |
| { |
| const char *implicit_handle = get_attrp(iface->attrs, ATTR_IMPLICIT_HANDLE); |
| |
| if (implicit_handle) |
| { |
| fprintf(client, "handle_t %s;\n", implicit_handle); |
| fprintf(client, "\n"); |
| } |
| } |
| |
| |
| static void init_client(void) |
| { |
| if (client) return; |
| if (!(client = fopen(client_name, "w"))) |
| error("Could not open %s for output\n", client_name); |
| |
| print_client("/*** Autogenerated by WIDL %s from %s - Do not edit ***/\n", PACKAGE_VERSION, input_name); |
| print_client("#include <string.h>\n"); |
| print_client("#ifdef _ALPHA_\n"); |
| print_client("#include <stdarg.h>\n"); |
| print_client("#endif\n"); |
| fprintf(client, "\n"); |
| print_client("#include \"%s\"\n", header_name); |
| print_client( "\n"); |
| print_client( "#ifndef DECLSPEC_HIDDEN\n"); |
| print_client( "#define DECLSPEC_HIDDEN\n"); |
| print_client( "#endif\n"); |
| print_client( "\n"); |
| write_exceptions( client ); |
| print_client( "\n"); |
| } |
| |
| |
| static void write_client_ifaces(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) |
| { |
| int has_func = 0; |
| const statement_t *stmt2; |
| type_t *iface = stmt->u.type; |
| if (!need_stub(iface)) |
| return; |
| |
| fprintf(client, "/*****************************************************************************\n"); |
| fprintf(client, " * %s interface\n", iface->name); |
| fprintf(client, " */\n"); |
| fprintf(client, "\n"); |
| |
| STATEMENTS_FOR_EACH_FUNC(stmt2, type_iface_get_stmts(iface)) |
| { |
| has_func = 1; |
| break; |
| } |
| |
| if (has_func) |
| { |
| write_implicithandledecl(iface); |
| |
| write_clientinterfacedecl(iface); |
| write_stubdescdecl(iface); |
| write_function_stubs(iface, proc_offset); |
| |
| print_client("#if !defined(__RPC_WIN%u__)\n", pointer_size == 8 ? 64 : 32); |
| print_client("#error Invalid build platform for this stub.\n"); |
| print_client("#endif\n"); |
| |
| fprintf(client, "\n"); |
| write_stubdescriptor(iface, expr_eval_routines); |
| } |
| } |
| else if (stmt->type == STMT_LIBRARY) |
| write_client_ifaces(stmt->u.lib->stmts, expr_eval_routines, proc_offset); |
| } |
| } |
| |
| static void write_client_routines(const statement_list_t *stmts) |
| { |
| unsigned int proc_offset = 0; |
| int expr_eval_routines; |
| |
| write_formatstringsdecl(client, indent, stmts, need_stub); |
| expr_eval_routines = write_expr_eval_routines(client, client_token); |
| if (expr_eval_routines) |
| write_expr_eval_routine_list(client, client_token); |
| write_user_quad_list(client); |
| |
| write_client_ifaces(stmts, expr_eval_routines, &proc_offset); |
| |
| fprintf(client, "\n"); |
| |
| write_procformatstring(client, stmts, need_stub); |
| write_typeformatstring(client, stmts, need_stub); |
| } |
| |
| void write_client(const statement_list_t *stmts) |
| { |
| if (!do_client) |
| return; |
| if (do_everything && !need_stub_files(stmts)) |
| return; |
| |
| init_client(); |
| if (!client) |
| return; |
| |
| if (do_win32 && do_win64) |
| { |
| fprintf(client, "\n#ifndef _WIN64\n\n"); |
| pointer_size = 4; |
| write_client_routines( stmts ); |
| fprintf(client, "\n#else /* _WIN64 */\n\n"); |
| pointer_size = 8; |
| write_client_routines( stmts ); |
| fprintf(client, "\n#endif /* _WIN64 */\n"); |
| } |
| else if (do_win32) |
| { |
| pointer_size = 4; |
| write_client_routines( stmts ); |
| } |
| else if (do_win64) |
| { |
| pointer_size = 8; |
| write_client_routines( stmts ); |
| } |
| |
| fclose(client); |
| } |
