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4f46232368
wine/tools/widl/server.c
Hans Leidekker 4f46232368 widl: Avoid lvalue casts in generated code.
2005-12-19 21:20:14 +01:00

529 lines
15 KiB
C
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/*
* IDL Compiler
*
* Copyright 2005 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 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 <assert.h>
#include <ctype.h>
#include <signal.h>
#include "widl.h"
#include "utils.h"
#include "parser.h"
#include "header.h"
#include "windef.h"
#include "widl.h"
#include "typelib.h"
#include "typelib_struct.h"
#include "typegen.h"
#define END_OF_LIST(list) \
do { \
if (list) { \
while (NEXT_LINK(list)) \
list = NEXT_LINK(list); \
} \
} while(0)
static FILE* server;
static int indent = 0;
static int print_server(const char *format, ...)
{
va_list va;
int i, r;
va_start(va, format);
for (i = 0; i < indent; i++)
fprintf(server, " ");
r = vfprintf(server, format, va);
va_end(va);
return r;
}
static void write_parameters_init(func_t *func)
{
var_t *var;
if (!func->args)
return;
var = func->args;
while (NEXT_LINK(var)) var = NEXT_LINK(var);
while (var)
{
print_server("%s = 0;\n", var->name);
var = PREV_LINK(var);
}
fprintf(server, "\n");
}
static void write_function_stubs(type_t *iface)
{
char *implicit_handle = get_attrp(iface->attrs, ATTR_IMPLICIT_HANDLE);
int explicit_handle = is_attr(iface->attrs, ATTR_EXPLICIT_HANDLE);
func_t *func = iface->funcs;
var_t *var;
var_t* explicit_handle_var;
unsigned int proc_offset = 0;
while (NEXT_LINK(func)) func = NEXT_LINK(func);
while (func)
{
var_t *def = func->def;
/* check for a defined binding handle */
explicit_handle_var = get_explicit_handle_var(func);
if (explicit_handle)
{
if (!explicit_handle_var)
{
error("%s() does not define an explicit binding handle!\n", def->name);
return;
}
}
else if (implicit_handle)
{
if (explicit_handle_var)
{
error("%s() must not define a binding handle!\n", def->name);
return;
}
}
fprintf(server, "void __RPC_STUB\n");
fprintf(server, "%s_", iface->name);
write_name(server, def);
fprintf(server, "(\n");
indent++;
print_server("PRPC_MESSAGE _pRpcMessage)\n");
indent--;
/* write the functions body */
fprintf(server, "{\n");
indent++;
/* declare return value '_RetVal' */
if (!is_void(def->type, NULL))
{
print_server("");
write_type(server, def->type, def, def->tname);
fprintf(server, " _RetVal;\n");
}
/* declare arguments */
if (func->args)
{
var = func->args;
while (NEXT_LINK(var)) var = NEXT_LINK(var);
while (var)
{
print_server("");
write_type(server, var->type, var, var->tname);
fprintf(server, " ");
write_name(server, var);
fprintf(server, ";\n");
var = PREV_LINK(var);
}
}
print_server("MIDL_STUB_MESSAGE _StubMsg;\n");
print_server("RPC_STATUS _Status;\n");
fprintf(server, "\n");
print_server("((void)(_Status));\n");
print_server("NdrServerInitializeNew(\n");
indent++;
print_server("_pRpcMessage,\n");
print_server("&_StubMsg,\n");
print_server("&%s_StubDesc);\n", iface->name);
indent--;
fprintf(server, "\n");
write_parameters_init(func);
if (explicit_handle_var)
{
print_server("%s = _pRpcMessage->Handle;\n", explicit_handle_var->name);
fprintf(server, "\n");
}
print_server("RpcTryFinally\n");
print_server("{\n");
indent++;
print_server("RpcTryExcept\n");
print_server("{\n");
indent++;
if (func->args)
{
print_server("if ((_pRpcMessage->DataRepresentation & 0x0000FFFFUL) != NDR_LOCAL_DATA_REPRESENTATION)\n");
indent++;
print_server("NdrConvert(\n");
indent++;
print_server("(PMIDL_STUB_MESSAGE)&_StubMsg,\n");
print_server("(PFORMAT_STRING)&__MIDL_ProcFormatString.Format[%u]);\n", proc_offset);
indent -= 2;
fprintf(server, "\n");
unmarshall_arguments(server, indent, func);
}
print_server("if (_StubMsg.Buffer > _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");
/* Call the real server function */
if (!is_void(def->type, NULL))
print_server("_RetVal = ");
else
print_server("");
write_name(server, def);
if (func->args)
{
int first_arg = 1;
fprintf(server, "(\n");
indent++;
var = func->args;
while (NEXT_LINK(var)) var = NEXT_LINK(var);
while (var)
{
if (first_arg)
first_arg = 0;
else
fprintf(server, ",\n");
print_server("");
write_name(server, var);
var = PREV_LINK(var);
}
fprintf(server, ");\n");
indent--;
}
else
{
fprintf(server, "();\n");
}
/* marshall the return value */
if (!is_void(def->type, NULL))
{
fprintf(server, "\n");
print_server("_StubMsg.BufferLength = %uU;\n", get_required_buffer_size(def->type));
print_server("_pRpcMessage->BufferLength = _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("_StubMsg.Buffer = (unsigned char *)_pRpcMessage->Buffer;\n");
fprintf(server, "\n");
print_server("*(");
write_type(server, def->type, def, def->tname);
fprintf(server, " *)_StubMsg.Buffer = _RetVal;\n");
fprintf(server, "_StubMsg.Buffer += sizeof(");
write_type(server, def->type, def, def->tname);
fprintf(server, ");\n");
}
indent--;
print_server("}\n");
print_server("RpcFinally\n");
print_server("{\n");
print_server("}\n");
print_server("RpcEndFinally\n");
/* calculate buffer length */
fprintf(server, "\n");
print_server("_pRpcMessage->BufferLength =\n");
indent++;
print_server("(unsigned int)(_StubMsg.Buffer - (unsigned char *)_pRpcMessage->Buffer);\n");
indent--;
indent--;
fprintf(server, "}\n");
fprintf(server, "\n");
/* update proc_offset */
if (func->args)
{
var = func->args;
while (NEXT_LINK(var)) var = NEXT_LINK(var);
while (var)
{
proc_offset += 2; /* FIXME */
var = PREV_LINK(var);
}
}
proc_offset += 2; /* FIXME */
func = PREV_LINK(func);
}
}
static void write_dispatchtable(type_t *iface)
{
unsigned long ver = get_attrv(iface->attrs, ATTR_VERSION);
unsigned long method_count = 0;
func_t *func = iface->funcs;
print_server("static RPC_DISPATCH_FUNCTION %s_table[] =\n", iface->name);
print_server("{\n");
indent++;
while (NEXT_LINK(func)) func = NEXT_LINK(func);
while (func)
{
var_t *def = func->def;
print_server("%s_", iface->name);
write_name(server, def);
fprintf(server, ",\n");
method_count++;
func = PREV_LINK(func);
}
print_server("0\n");
indent--;
print_server("};\n");
print_server("RPC_DISPATCH_TABLE %s_v%d_%d_DispatchTable =\n", iface->name, LOWORD(ver), HIWORD(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_stubdescdecl(type_t *iface)
{
print_server("extern const MIDL_STUB_DESC %s_StubDesc;\n", iface->name);
fprintf(server, "\n");
}
static void write_stubdescriptor(type_t *iface)
{
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("0,\n");
print_server("0,\n");
print_server("0,\n");
print_server("0,\n");
print_server("0,\n");
print_server("__MIDL_TypeFormatString.Format,\n");
print_server("1, /* -error bounds_check flag */\n");
print_server("0x10001, /* Ndr library version */\n");
print_server("0,\n");
print_server("0x50100a4, /* MIDL Version 5.1.164 */\n");
print_server("0,\n");
print_server("0,\n");
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 long ver = get_attrv(iface->attrs, ATTR_VERSION);
UUID *uuid = get_attrp(iface->attrs, ATTR_UUID);
print_server("extern RPC_DISPATCH_TABLE %s_v%d_%d_DispatchTable;\n", iface->name, LOWORD(ver), HIWORD(ver));
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%08lx,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], LOWORD(ver), HIWORD(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, LOWORD(ver), HIWORD(ver));
print_server("0,\n");
print_server("0,\n");
print_server("0,\n");
print_server("0,\n");
print_server("0,\n");
indent--;
print_server("};\n");
print_server("RPC_IF_HANDLE %s_v%d_%d_s_ifspec = (RPC_IF_HANDLE)& %s___RpcServerInterface;\n",
iface->name, LOWORD(ver), HIWORD(ver), iface->name);
fprintf(server, "\n");
}
static void write_formatdesc( const char *str )
{
print_server("typedef struct _MIDL_%s_FORMAT_STRING\n", str );
print_server("{\n");
indent++;
print_server("short Pad;\n");
print_server("unsigned char Format[%s_FORMAT_STRING_SIZE];\n", str);
indent--;
print_server("} MIDL_%s_FORMAT_STRING;\n", str);
print_server("\n");
}
static void write_formatstringsdecl(type_t *iface)
{
func_t *func;
var_t *var;
int byte_count = 1;
print_server("#define TYPE_FORMAT_STRING_SIZE %d\n", 3); /* FIXME */
/* determine the proc format string size */
func = iface->funcs;
while (NEXT_LINK(func)) func = NEXT_LINK(func);
while (func)
{
/* argument list size */
if (func->args)
{
var = func->args;
while (NEXT_LINK(var)) var = NEXT_LINK(var);
while (var)
{
byte_count += 2; /* FIXME: determine real size */
var = PREV_LINK(var);
}
}
/* return value size */
byte_count += 2; /* FIXME: determine real size */
func = PREV_LINK(func);
}
print_server("#define PROC_FORMAT_STRING_SIZE %d\n", byte_count);
fprintf(server, "\n");
write_formatdesc("TYPE");
write_formatdesc("PROC");
fprintf(server, "\n");
print_server("extern const MIDL_TYPE_FORMAT_STRING __MIDL_TypeFormatString;\n");
print_server("extern const MIDL_PROC_FORMAT_STRING __MIDL_ProcFormatString;\n");
print_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", WIDL_FULLVERSION, input_name);
print_server("#include <string.h>\n");
fprintf(server, "\n");
print_server("#include \"%s\"\n", header_name);
fprintf(server, "\n");
}
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");
write_formatstringsdecl(iface->iface);
write_serverinterfacedecl(iface->iface);
write_stubdescdecl(iface->iface);
write_function_stubs(iface->iface);
write_stubdescriptor(iface->iface);
write_dispatchtable(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");
iface = PREV_LINK(iface);
}
fclose(server);
}
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