mirror of
https://github.com/reactos/wine.git
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6ad46cc961
Generate aligned marshal and unmarshal code for base type arguments and return values.
564 lines
17 KiB
C
564 lines
17 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 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 <assert.h>
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#include <ctype.h>
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#include <signal.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 "windef.h"
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#include "widl.h"
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#include "typelib.h"
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#include "typelib_struct.h"
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#include "typegen.h"
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#define END_OF_LIST(list) \
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do { \
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if (list) { \
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while (NEXT_LINK(list)) \
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list = NEXT_LINK(list); \
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} \
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} while(0)
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static FILE* server;
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static int indent = 0;
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static int print_server(const 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(server, " ");
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r = vfprintf(server, 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_parameters_init(const func_t *func)
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{
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const var_t *var;
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if (!func->args)
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return;
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var = func->args;
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while (NEXT_LINK(var)) var = NEXT_LINK(var);
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while (var)
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{
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if (var->type->type != RPC_FC_BIND_PRIMITIVE)
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print_server("%s = 0;\n", var->name);
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var = PREV_LINK(var);
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}
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fprintf(server, "\n");
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}
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static void write_function_stubs(type_t *iface)
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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 = iface->funcs;
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const var_t *var;
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const var_t* explicit_handle_var;
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unsigned int proc_offset = 0;
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unsigned int type_offset = 2;
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while (NEXT_LINK(func)) func = NEXT_LINK(func);
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while (func)
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{
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const var_t *def = func->def;
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unsigned long buffer_size = 0;
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unsigned int type_offset_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 return value '_RetVal' */
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if (!is_void(def->type, NULL))
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{
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print_server("");
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write_type(server, def->type, def, def->tname);
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fprintf(server, " _RetVal;\n");
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}
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/* declare arguments */
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if (func->args)
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{
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var = func->args;
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while (NEXT_LINK(var)) var = NEXT_LINK(var);
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while (var)
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{
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print_server("");
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write_type(server, var->type, var, var->tname);
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fprintf(server, " ");
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write_name(server, var);
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write_array(server, var->array, 0);
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fprintf(server, ";\n");
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var = PREV_LINK(var);
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}
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}
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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(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 (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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/* make a copy so we don't increment the type offset twice */
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type_offset_func = type_offset;
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/* unmarshall arguments */
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write_remoting_arguments(server, indent, func, &type_offset_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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/* Call the real server function */
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if (!is_void(def->type, NULL))
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print_server("_RetVal = ");
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else
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print_server("");
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write_name(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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var = func->args;
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while (NEXT_LINK(var)) var = NEXT_LINK(var);
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while (var)
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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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print_server("");
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write_name(server, var);
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var = PREV_LINK(var);
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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 (func->args)
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{
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const var_t *var = func->args;
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while (NEXT_LINK(var)) var = NEXT_LINK(var);
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while (var)
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{
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if (is_attr(var->attrs, ATTR_OUT))
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{
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unsigned int alignment;
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buffer_size += get_required_buffer_size(var, &alignment);
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buffer_size += alignment;
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}
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var = PREV_LINK(var);
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}
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}
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if (!is_void(def->type, NULL))
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{
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unsigned int alignment;
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buffer_size += get_required_buffer_size(def, &alignment);
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buffer_size += alignment;
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}
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if (buffer_size)
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{
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fprintf(server, "\n");
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print_server("_StubMsg.BufferLength = %uU;\n", buffer_size);
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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, &type_offset, PASS_OUT, PHASE_MARSHAL);
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/* marshall the return value */
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if (!is_void(def->type, NULL))
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{
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unsigned int alignment;
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unsigned int size = get_required_buffer_size(def, &alignment);
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print_server("_StubMsg.Buffer += (unsigned char *)(((long)_StubMsg.Buffer + %u) & ~0x%x);\n",
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size - 1, size - 1);
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print_server("*(");
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write_type(server, def->type, def, def->tname);
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fprintf(server, " *)_StubMsg.Buffer = _RetVal;\n");
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print_server("_StubMsg.Buffer += sizeof(");
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write_type(server, def->type, def, def->tname);
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fprintf(server, ");\n");
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}
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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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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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if (func->args)
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{
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var = func->args;
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while (NEXT_LINK(var)) var = NEXT_LINK(var);
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while (var)
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{
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proc_offset += get_size_procformatstring_var(var);
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var = PREV_LINK(var);
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}
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}
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if (!is_void(def->type, NULL))
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proc_offset += get_size_procformatstring_var(def);
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else
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proc_offset += 2; /* FC_END and FC_PAD */
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func = PREV_LINK(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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func_t *func = iface->funcs;
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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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while (NEXT_LINK(func)) func = NEXT_LINK(func);
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while (func)
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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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func = PREV_LINK(func);
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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, LOWORD(ver), HIWORD(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("extern 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("0,\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("0,\n");
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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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print_server("extern RPC_DISPATCH_TABLE %s_v%d_%d_DispatchTable;\n", iface->name, LOWORD(ver), HIWORD(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], LOWORD(ver), HIWORD(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, LOWORD(ver), HIWORD(ver));
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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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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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print_server("RPC_IF_HANDLE %s_v%d_%d_s_ifspec = (RPC_IF_HANDLE)& %s___RpcServerInterface;\n",
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iface->name, LOWORD(ver), HIWORD(ver), iface->name);
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fprintf(server, "\n");
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}
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static void write_formatdesc( const char *str )
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{
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print_server("typedef struct _MIDL_%s_FORMAT_STRING\n", str );
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print_server("{\n");
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indent++;
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print_server("short Pad;\n");
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print_server("unsigned char Format[%s_FORMAT_STRING_SIZE];\n", str);
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indent--;
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print_server("} MIDL_%s_FORMAT_STRING;\n", str);
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print_server("\n");
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}
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static void write_formatstringsdecl(type_t *iface)
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{
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print_server("#define TYPE_FORMAT_STRING_SIZE %d\n",
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get_size_typeformatstring(iface));
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print_server("#define PROC_FORMAT_STRING_SIZE %d\n",
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get_size_procformatstring(iface));
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fprintf(server, "\n");
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write_formatdesc("TYPE");
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write_formatdesc("PROC");
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fprintf(server, "\n");
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print_server("extern const MIDL_TYPE_FORMAT_STRING __MIDL_TypeFormatString;\n");
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print_server("extern const MIDL_PROC_FORMAT_STRING __MIDL_ProcFormatString;\n");
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print_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", WIDL_FULLVERSION, 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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}
|
|
|
|
|
|
void write_server(ifref_t *ifaces)
|
|
{
|
|
ifref_t *iface = ifaces;
|
|
|
|
if (!do_server)
|
|
return;
|
|
if (!iface)
|
|
return;
|
|
END_OF_LIST(iface);
|
|
|
|
init_server();
|
|
if (!server)
|
|
return;
|
|
|
|
while (iface)
|
|
{
|
|
fprintf(server, "/*****************************************************************************\n");
|
|
fprintf(server, " * %s interface\n", iface->iface->name);
|
|
fprintf(server, " */\n");
|
|
fprintf(server, "\n");
|
|
|
|
if (iface->iface->funcs)
|
|
{
|
|
int expr_eval_routines;
|
|
|
|
write_formatstringsdecl(iface->iface);
|
|
write_serverinterfacedecl(iface->iface);
|
|
write_stubdescdecl(iface->iface);
|
|
|
|
write_function_stubs(iface->iface);
|
|
|
|
print_server("#if !defined(__RPC_WIN32__)\n");
|
|
print_server("#error Invalid build platform for this stub.\n");
|
|
print_server("#endif\n");
|
|
fprintf(server, "\n");
|
|
|
|
write_procformatstring(server, iface->iface);
|
|
write_typeformatstring(server, iface->iface);
|
|
|
|
fprintf(server, "\n");
|
|
|
|
expr_eval_routines = write_expr_eval_routines(server, iface->iface->name);
|
|
if (expr_eval_routines)
|
|
write_expr_eval_routine_list(server, iface->iface->name);
|
|
|
|
write_stubdescriptor(iface->iface, expr_eval_routines);
|
|
write_dispatchtable(iface->iface);
|
|
}
|
|
|
|
iface = PREV_LINK(iface);
|
|
}
|
|
|
|
fclose(server);
|
|
}
|