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Sweden-Number/tools/widl/proxy.c

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/*
* IDL Compiler
*
* Copyright 2002 Ove Kaaven
* Copyright 2004 Mike McCormack
*
* 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 <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"
#define END_OF_LIST(list) \
do { \
if (list) { \
while (NEXT_LINK(list)) \
list = NEXT_LINK(list); \
} \
} while(0)
static FILE* proxy;
static int indent = 0;
/* FIXME: support generation of stubless proxies */
static int print_proxy( const char *format, ... )
{
va_list va;
int i, r;
va_start( va, format );
for( i=0; i<indent; i++ )
fprintf( proxy, " " );
r = vfprintf( proxy, format, va );
va_end( va );
return r;
}
static type_t *get_base_type( var_t *arg )
{
type_t *t = arg->type;
while( (t->type == 0) && t->ref )
t = t->ref;
return t;
}
static void write_stubdescproto(void)
{
print_proxy( "extern const MIDL_STUB_DESC Object_StubDesc;\n");
print_proxy( "\n");
}
static void write_stubdesc(void)
{
print_proxy( "const MIDL_STUB_DESC Object_StubDesc = {\n");
print_proxy( " 0,\n");
print_proxy( " NdrOleAllocate,\n");
print_proxy( " NdrOleFree,\n");
print_proxy( " {0}, 0, 0, 0, 0,\n");
print_proxy( " 0 /* __MIDL_TypeFormatString.Format */\n");
print_proxy( "};\n");
print_proxy( "\n");
}
static void write_formatdesc( const char *str )
{
print_proxy( "typedef struct _MIDL_%s_FORMAT_STRING\n", str );
indent++;
print_proxy( "{\n");
print_proxy( "short Pad;\n");
print_proxy( "unsigned char Format[%s_FORMAT_STRING_SIZE];\n", str);
indent--;
print_proxy( "} MIDL_%s_FORMAT_STRING;\n", str);
print_proxy( "\n");
}
static void write_formatstringsdecl(void)
{
print_proxy( "#define TYPE_FORMAT_STRING_SIZE %d\n",1); /* FIXME */
print_proxy( "#define PROC_FORMAT_STRING_SIZE %d\n",1); /* FIXME */
fprintf(proxy, "\n");
write_formatdesc( "TYPE" );
write_formatdesc( "PROC" );
fprintf(proxy, "\n");
print_proxy( "extern const MIDL_TYPE_FORMAT_STRING __MIDL_TypeFormatString;\n");
print_proxy( "extern const MIDL_PROC_FORMAT_STRING __MIDL_ProcFormatString;\n");
print_proxy( "\n");
}
static void write_formatstring( int proc )
{
const char *t, *n;
if( !proc )
{
t = "TYPE";
n = "Type";
}
else
{
t = "PROC";
n = "Proc";
}
print_proxy( "static const MIDL_%s_FORMAT_STRING __MIDL_%sFormatString =\n", t, n);
print_proxy( "{\n");
indent++;
print_proxy( "0,\n");
print_proxy( "{\n");
indent++;
print_proxy( "0\n");
indent--;
print_proxy( "}\n");
indent--;
print_proxy( "};\n");
print_proxy( "\n");
}
static void init_proxy()
{
if (proxy) return;
if(!(proxy = fopen(proxy_name, "w")))
error("Could not open %s for output\n", proxy_name);
print_proxy( "/*** Autogenerated by WIDL %s - Do not edit ***/\n", WIDL_FULLVERSION);
print_proxy( "\n");
print_proxy( "#ifndef __REDQ_RPCPROXY_H_VERSION__\n");
print_proxy( "#define __REQUIRED_RPCPROXY_H_VERSION__ 440\n");
print_proxy( "#endif /* __REDQ_RPCPROXY_H_VERSION__ */\n");
print_proxy( "\n");
print_proxy( "#include \"rpcproxy.h\"\n");
print_proxy( "#ifndef __RPCPROXY_H_VERSION__\n");
print_proxy( "#error This code needs a newer version of rpcproxy.h\n");
print_proxy( "#endif /* __RPCPROXY_H_VERSION__ */\n");
print_proxy( "\n");
print_proxy( "#include \"%s\"\n", header_name);
print_proxy( "\n");
write_formatstringsdecl();
write_stubdescproto();
}
static void clear_output_vars( var_t *arg )
{
END_OF_LIST(arg);
while (arg) {
if (is_attr(arg->attrs, ATTR_OUT) && !is_attr(arg->attrs, ATTR_IN)) {
print_proxy( "if(%s)\n", arg->name );
indent++;
print_proxy( "MIDL_memset( %s, 0, sizeof( ", arg->name );
indent--;
write_type(proxy, arg->type, arg, arg->tname);
fprintf( proxy, " ));\n" );
}
arg = PREV_LINK(arg);
}
}
static int is_pointer(var_t *arg)
{
if (arg->ptr_level)
return 1;
if (arg->type->type == RPC_FC_FP )
return 1;
return 0;
}
static void proxy_check_pointers( var_t *arg )
{
END_OF_LIST(arg);
while (arg) {
if (is_pointer(arg)) {
print_proxy( "if(!%s)\n", arg->name );
indent++;
print_proxy( "RpcRaiseException(RPC_X_NULL_REF_POINTER);\n");
indent--;
}
arg = PREV_LINK(arg);
}
}
static void marshall_size_arg( var_t *arg )
{
int index = 0;
type_t *type = get_base_type(arg);
expr_t *expr;
expr = get_attrp( arg->attrs, ATTR_SIZEIS );
if (expr)
{
print_proxy( "_StubMsg.MaxCount = ", arg->name );
write_expr(proxy, expr);
fprintf(proxy, ";\n\n");
print_proxy( "NdrConformantArrayBufferSize( &_StubMsg, (unsigned char*)%s, ", arg->name );
fprintf(proxy, "&__MIDL_TypeFormatString.Format[%d]);\n", index );
return;
}
switch( type->type )
{
case RPC_FC_BYTE:
case RPC_FC_CHAR:
print_proxy( "_StubMsg.BufferLength += %d; /* %s */\n", 1, arg->name );
break;
case RPC_FC_WCHAR:
case RPC_FC_SHORT:
case RPC_FC_USHORT:
case RPC_FC_ENUM16:
print_proxy( "_StubMsg.BufferLength += %d; /* %s */\n", 2, arg->name );
break;
case RPC_FC_LONG:
case RPC_FC_ULONG:
case RPC_FC_ENUM32:
print_proxy( "_StubMsg.BufferLength += %d; /* %s */\n", 4, arg->name );
break;
case RPC_FC_STRUCT:
print_proxy( "NdrSimpleStructBufferSize(&_StubMsg, (unsigned char*)%s, ", arg->name );
fprintf(proxy, "&__MIDL_TypeFormatString.Format[%d] );\n", index );
break;
case RPC_FC_C_CSTRING:
case RPC_FC_C_WSTRING:
case RPC_FC_CARRAY:
print_proxy( "NdrConformantArrayBufferSize( &_StubMsg, (unsigned char*)%s, ", arg->name );
fprintf(proxy, "&__MIDL_TypeFormatString.Format[%d]);\n", index );
break;
case RPC_FC_BOGUS_STRUCT:
print_proxy( "NdrComplexStructBufferSize(&_StubMsg, (unsigned char*)%s, ", arg->name );
fprintf(proxy, "&__MIDL_TypeFormatString.Format[%d] );\n", index );
break;
case RPC_FC_FP:
{
var_t temp;
memset( &temp, 0, sizeof temp );
temp.type = type->ref;
temp.name = arg->name; /* FIXME */
#if 0
print_proxy( "/* FIXME: %s use the right name for %s */\n", __FUNCTION__, arg->name );
#endif
marshall_size_arg( &temp );
}
break;
case RPC_FC_IP:
print_proxy( "NdrPointerBufferSize( &_StubMsg, (unsigned char*)%s, ", arg->name );
fprintf(proxy, "&__MIDL_TypeFormatString.Format[%d]);\n", index );
break;
default:
print_proxy("/* FIXME: %s code for %s type %d missing */\n", __FUNCTION__, arg->name, type->type );
}
}
static void proxy_gen_marshall_size( var_t *arg )
{
print_proxy( "_StubMsg.BufferLength = 0U;\n" );
END_OF_LIST(arg);
while (arg) {
if (is_attr(arg->attrs, ATTR_IN))
{
marshall_size_arg( arg );
fprintf(proxy, "\n");
}
arg = PREV_LINK(arg);
}
}
static void marshall_copy_arg( var_t *arg )
{
int index = 0;
type_t *type = get_base_type(arg);
expr_t *expr;
expr = get_attrp( arg->attrs, ATTR_SIZEIS );
if (expr)
{
print_proxy( "_StubMsg.MaxCount = ", arg->name );
write_expr(proxy, expr);
fprintf(proxy, ";\n\n");
print_proxy( "NdrConformantArrayMarshall( &_StubMsg, (unsigned char*)%s, ", arg->name );
fprintf(proxy, "&__MIDL_TypeFormatString.Format[%d]);\n", index );
return;
}
switch( type->type )
{
case RPC_FC_BYTE:
case RPC_FC_CHAR:
case RPC_FC_WCHAR:
case RPC_FC_SHORT:
case RPC_FC_USHORT:
case RPC_FC_ENUM16:
case RPC_FC_LONG:
case RPC_FC_ULONG:
case RPC_FC_ENUM32:
print_proxy( "*((");
write_type(proxy, arg->type, arg, arg->tname);
fprintf(proxy,"*)_StubMsg.Buffer)++ = %s;\n", arg->name );
break;
case RPC_FC_STRUCT:
/* FIXME: add the format string, and set the index below */
print_proxy( "NdrSimpleStructMarshall(&_StubMsg, (unsigned char*)%s, ", arg->name );
fprintf(proxy, "&__MIDL_TypeFormatString.Format[%d]);\n", index );
break;
case RPC_FC_C_CSTRING:
case RPC_FC_C_WSTRING:
case RPC_FC_CARRAY:
break;
case RPC_FC_BOGUS_STRUCT:
print_proxy( "NdrComplexStructMarshall(&_StubMsg, (unsigned char*)%s, ", arg->name );
fprintf(proxy, "&__MIDL_TypeFormatString.Format[%d] );\n", index );
break;
case RPC_FC_FP:
{
var_t temp;
memset( &temp, 0, sizeof temp );
temp.type = type->ref;
temp.name = arg->name; /* FIXME */
#if 0
print_proxy( "/* FIXME: %s use the right name for %s */\n", __FUNCTION__, arg->name );
#endif
marshall_copy_arg( &temp );
}
break;
case RPC_FC_IP:
print_proxy( "NdrPointerMarshall( &_StubMsg, (unsigned char*)%s, ", arg->name );
fprintf(proxy, "&__MIDL_TypeFormatString.Format[%d]);\n", index );
break;
default:
print_proxy("/* FIXME: %s code for %s type %d missing */\n", __FUNCTION__, arg->name, type->type );
}
}
static void gen_marshall_copydata( var_t *arg )
{
END_OF_LIST(arg);
while (arg) {
if (is_attr(arg->attrs, ATTR_IN))
{
marshall_copy_arg( arg );
fprintf(proxy, "\n");
}
arg = PREV_LINK(arg);
}
}
static void gen_marshall( var_t *arg )
{
/* generated code to determine the size of the buffer required */
proxy_gen_marshall_size( arg );
/* generated code to allocate the buffer */
print_proxy( "NdrProxyGetBuffer(This, &_StubMsg);\n" );
/* generated code to copy the args into the buffer */
gen_marshall_copydata( arg );
print_proxy( "\n");
}
static void unmarshall_copy_arg( var_t *arg )
{
int index = 0;
type_t *type = get_base_type(arg);
expr_t *expr;
expr = get_attrp( arg->attrs, ATTR_SIZEIS );
if (expr)
{
print_proxy( "NdrConformantArrayUnmarshall( &_StubMsg, (unsigned char*)%s, ", arg->name );
fprintf(proxy, "&__MIDL_TypeFormatString.Format[%d]);\n", index );
return;
}
switch( type->type )
{
case RPC_FC_BYTE:
case RPC_FC_CHAR:
case RPC_FC_WCHAR:
case RPC_FC_SHORT:
case RPC_FC_USHORT:
case RPC_FC_ENUM16:
case RPC_FC_LONG:
case RPC_FC_ULONG:
case RPC_FC_ENUM32:
print_proxy( "%s = *((", arg->name );
write_type(proxy, arg->type, arg, arg->tname);
fprintf(proxy,"*)_StubMsg.Buffer)++;\n");
break;
case RPC_FC_STRUCT:
print_proxy( "NdrSimpleStructUnmarshall(&_StubMsg, (unsigned char**)%s, ", arg->name );
fprintf(proxy, "&__MIDL_TypeFormatString.Format[%d], 0);\n", index );
break;
case RPC_FC_C_CSTRING:
case RPC_FC_C_WSTRING:
case RPC_FC_CARRAY:
print_proxy( "NdrConformantArrayUnmarshall( &_StubMsg, (unsigned char*)%s, ", arg->name );
fprintf(proxy, "&__MIDL_TypeFormatString.Format[%d]);\n", index );
break;
case RPC_FC_BOGUS_STRUCT:
print_proxy( "NdrComplexStructUnmarshall(&_StubMsg, (unsigned char*)%s, ", arg->name );
fprintf(proxy, "&__MIDL_TypeFormatString.Format[%d], 0 );\n", index );
break;
case RPC_FC_FP:
{
var_t temp;
memset( &temp, 0, sizeof temp );
temp.type = type->ref;
temp.name = arg->name; /* FIXME */
#if 1
print_proxy( "/* FIXME: %s use the right name for %s */\n", __FUNCTION__, arg->name );
#endif
unmarshall_copy_arg( &temp );
}
break;
case RPC_FC_IP:
print_proxy( "NdrPointerUnmarshall(&_StubMsg, (unsigned char**)&%s, ", arg->name );
fprintf(proxy, "&__MIDL_TypeFormatString.Format[%d], 0);\n", index );
break;
default:
print_proxy("/* FIXME: %s code for %s type %d missing */\n", __FUNCTION__, arg->name, type->type );
}
}
static void gen_unmarshall( var_t *arg )
{
END_OF_LIST(arg);
while (arg) {
if (is_attr(arg->attrs, ATTR_OUT))
{
unmarshall_copy_arg( arg );
fprintf(proxy, "\n");
}
arg = PREV_LINK(arg);
}
}
static void free_variable( var_t *arg )
{
var_t *constraint;
int index = 0; /* FIXME */
type_t *type;
expr_t *expr;
expr = get_attrp( arg->attrs, ATTR_SIZEIS );
if (expr)
{
print_proxy( "_StubMsg.MaxCount = ", arg->name );
write_expr(proxy, expr);
fprintf(proxy, ";\n\n");
print_proxy( "NdrClearOutParameters( &_StubMsg, ");
fprintf(proxy, "&__MIDL_TypeFormatString.Format[%d], ", index );
fprintf(proxy, "(void*)%s );\n", arg->name );
return;
}
type = get_base_type(arg);
switch( type->type )
{
case RPC_FC_BYTE:
case RPC_FC_CHAR:
case RPC_FC_WCHAR:
case RPC_FC_SHORT:
case RPC_FC_USHORT:
case RPC_FC_ENUM16:
case RPC_FC_LONG:
case RPC_FC_ULONG:
case RPC_FC_ENUM32:
case RPC_FC_STRUCT:
break;
case RPC_FC_FP:
case RPC_FC_IP:
constraint = get_attrp( arg->attrs, ATTR_IIDIS );
if( constraint )
print_proxy( "_StubMsg.MaxCount = (unsigned long) ( %s );\n",constraint->name);
print_proxy( "NdrClearOutParameters( &_StubMsg, ");
fprintf(proxy, "&__MIDL_TypeFormatString.Format[%d], ", index );
fprintf(proxy, "(void*)%s );\n", arg->name );
break;
default:
print_proxy("/* FIXME: %s code for %s type %d missing */\n", __FUNCTION__, arg->name, type->type );
}
}
static void proxy_free_variables( var_t *arg )
{
END_OF_LIST(arg);
while (arg) {
if (is_attr(arg->attrs, ATTR_OUT))
{
free_variable( arg );
fprintf(proxy, "\n");
}
arg = PREV_LINK(arg);
}
}
static void gen_proxy(type_t *iface, func_t *cur, int idx)
{
var_t *def = cur->def;
int has_ret = !is_void(def->type, def);
indent = 0;
write_type(proxy, def->type, def, def->tname);
print_proxy( " STDMETHODCALLTYPE %s_", iface->name);
write_name(proxy, def);
print_proxy( "_Proxy(\n");
write_args(proxy, cur->args, iface->name, 1, TRUE);
print_proxy( ")\n");
print_proxy( "{\n");
indent ++;
/* local variables */
if (has_ret) {
print_proxy( "" );
write_type(proxy, def->type, def, def->tname);
print_proxy( " _RetVal;\n");
}
print_proxy( "RPC_MESSAGE _Msg;\n" );
print_proxy( "MIDL_STUB_MESSAGE _StubMsg;\n" );
print_proxy( "\n");
/* FIXME: trace */
clear_output_vars( cur->args );
print_proxy( "RpcTryExcept\n" );
print_proxy( "{\n" );
indent++;
print_proxy( "NdrProxyInitialize(This, &_Msg, &_StubMsg, &Object_StubDesc, %d);\n", idx);
proxy_check_pointers( cur->args );
print_proxy( "RpcTryFinally\n" );
print_proxy( "{\n" );
indent++;
gen_marshall( cur->args );
print_proxy( "NdrProxySendReceive(This, &_StubMsg);\n" );
fprintf(proxy, "\n");
print_proxy("if ((_Msg.DataRepresentation&0xffff) != NDR_LOCAL_DATA_REPRESENTATION)\n");
indent++;
print_proxy("NdrConvert( &_StubMsg, &__MIDL_ProcFormatString.Format[0]);\n" );
indent--;
fprintf(proxy, "\n");
gen_unmarshall( cur->args );
if (has_ret) {
/*
* FIXME: We only need to round the buffer up if it could be unaligned...
* We should calculate how much buffer we used and output the following
* line only if necessary.
*/
print_proxy( "_StubMsg.Buffer = (unsigned char *)(((long)_StubMsg.Buffer + 3) & ~ 0x3);\n");
print_proxy( "_RetVal = *((" );
write_type(proxy, def->type, def, def->tname);
fprintf(proxy, "*)_StubMsg.Buffer)++;\n");
}
indent--;
print_proxy( "}\n");
print_proxy( "RpcFinally\n" );
print_proxy( "{\n" );
indent++;
print_proxy( "NdrProxyFreeBuffer(This, &_StubMsg);\n" );
indent--;
print_proxy( "}\n");
print_proxy( "RpcEndFinally\n" );
indent--;
print_proxy( "}\n" );
print_proxy( "RpcExcept(_StubMsg.dwStubPhase != PROXY_SENDRECEIVE)\n" );
print_proxy( "{\n" );
if (has_ret) {
indent++;
proxy_free_variables( cur->args );
print_proxy( "_RetVal = NdrProxyErrorHandler(RpcExceptionCode());\n" );
indent--;
}
print_proxy( "}\n" );
print_proxy( "RpcEndExcept\n" );
if (has_ret) {
print_proxy( "return _RetVal;\n" );
}
indent--;
print_proxy( "}\n");
print_proxy( "\n");
}
static void stub_write_locals( var_t *arg )
{
int n = 0;
while (arg) {
int outptr = is_attr(arg->attrs, ATTR_OUT);
/* create a temporary variable to store the output */
if (outptr) {
var_t temp;
memset( &temp, 0, sizeof temp );
temp.ptr_level = arg->ptr_level - 1; /* dereference once */
print_proxy("");
write_type(proxy, arg->type, &temp, arg->tname);
fprintf(proxy, " _M%d;\n",n++);
}
print_proxy("");
write_type(proxy, arg->type, arg, arg->tname);
fprintf(proxy, " ");
write_name(proxy, arg);
fprintf(proxy, ";\n");
arg = NEXT_LINK(arg);
}
}
static void stub_unmarshall( var_t *arg )
{
int n = 0;
END_OF_LIST(arg);
while (arg) {
if (is_attr(arg->attrs, ATTR_IN))
{
unmarshall_copy_arg( arg );
fprintf(proxy,"\n");
}
else if (is_attr(arg->attrs, ATTR_OUT)) {
type_t *type = get_base_type(arg);
switch( type->type )
{
case RPC_FC_STRUCT:
print_proxy("MIDL_memset(");
write_name(proxy, arg);
fprintf(proxy,", 0, sizeof(");
write_type(proxy, arg->type, arg, arg->tname);
fprintf(proxy,"));\n");
break;
default:
print_proxy("");
write_name(proxy, arg);
fprintf(proxy," = &_M%d;\n", n);
print_proxy("_M%d = 0;\n", n++);
break;
}
}
arg = PREV_LINK(arg);
}
}
static void stub_gen_marshall_size( var_t *arg )
{
print_proxy( "_StubMsg.BufferLength = 0U;\n" );
END_OF_LIST(arg);
while (arg) {
if (is_attr(arg->attrs, ATTR_OUT))
marshall_size_arg( arg );
arg = PREV_LINK(arg);
}
}
static void stub_gen_marshall_copydata( var_t *arg )
{
END_OF_LIST(arg);
while (arg) {
if (is_attr(arg->attrs, ATTR_OUT))
marshall_copy_arg( arg );
arg = PREV_LINK(arg);
}
}
static void stub_genmarshall( var_t *args )
{
/* FIXME: size buffer */
stub_gen_marshall_size( args );
print_proxy("NdrStubGetBuffer(This, pRpcChannelBuffer, &_StubMsg);\n");
stub_gen_marshall_copydata( args );
}
static void gen_stub(type_t *iface, func_t *cur, char *cas)
{
var_t *def = cur->def;
var_t *arg;
int has_ret = !is_void(def->type, def);
indent = 0;
print_proxy( "void __RPC_STUB %s_", iface->name);
write_name(proxy, def);
print_proxy( "_Stub(\n");
indent++;
print_proxy( "IRpcStubBuffer* This,\n");
print_proxy( "IRpcChannelBuffer* pRpcChannelBuffer,\n");
print_proxy( "PRPC_MESSAGE _Msg,\n");
print_proxy( "DWORD* _pdwStubPhase)\n");
indent--;
print_proxy( "{\n");
indent++;
/* local variables */
if (has_ret) {
print_proxy("");
write_type(proxy, def->type, def, def->tname);
fprintf(proxy, " _RetVal;\n");
}
print_proxy("%s * _This = (%s*)((CStdStubBuffer*)This)->pvServerObject;\n", iface->name, iface->name);
print_proxy("MIDL_STUB_MESSAGE _StubMsg;\n");
stub_write_locals( cur->args );
fprintf(proxy, "\n");
/* FIXME: trace */
print_proxy("NdrStubInitialize(_Msg, &_StubMsg, &Object_StubDesc, pRpcChannelBuffer);\n");
fprintf(proxy, "\n");
print_proxy("RpcTryFinally\n");
print_proxy("{\n");
indent++;
print_proxy("if ((_Msg->DataRepresentation&0xffff) != NDR_LOCAL_DATA_REPRESENTATION)\n");
indent++;
print_proxy("NdrConvert( &_StubMsg, &__MIDL_ProcFormatString.Format[0]);\n" );
indent--;
fprintf(proxy, "\n");
stub_unmarshall( cur->args );
fprintf(proxy, "\n");
print_proxy("*_pdwStubPhase = STUB_CALL_SERVER;\n");
fprintf(proxy, "\n");
print_proxy("");
if (has_ret) fprintf(proxy, "_RetVal = ");
fprintf(proxy, "%s_", iface->name);
if (cas) fprintf(proxy, "%s_Stub", cas);
else write_name(proxy, def);
fprintf(proxy, "(_This");
arg = cur->args;
if (arg) {
END_OF_LIST(arg);
while (arg) {
fprintf(proxy, ", ");
write_name(proxy, arg);
arg = PREV_LINK(arg);
}
}
fprintf(proxy, ");\n");
fprintf(proxy, "\n");
print_proxy("*_pdwStubPhase = STUB_MARSHAL;\n");
fprintf(proxy, "\n");
stub_genmarshall( cur->args );
fprintf(proxy, "\n");
if (has_ret) {
/*
* FIXME: We only need to round the buffer up if it could be unaligned...
* We should calculate how much buffer we used and output the following
* line only if necessary.
*/
print_proxy( "_StubMsg.Buffer = (unsigned char *)(((long)_StubMsg.Buffer + 3) & ~ 0x3);\n");
print_proxy( "*((" );
write_type(proxy, def->type, def, def->tname);
fprintf(proxy, "*)_StubMsg.Buffer)++ = _RetVal;\n");
}
indent--;
print_proxy("}\n");
print_proxy("RpcFinally\n");
print_proxy("{\n");
print_proxy("}\n");
print_proxy("RpcEndFinally\n");
print_proxy("_Msg->BufferLength = ((long)_StubMsg.Buffer - (long)_Msg->Buffer);\n");
indent--;
print_proxy("}\n");
print_proxy("\n");
}
static int write_proxy_methods(type_t *iface)
{
func_t *cur = iface->funcs;
int i = 0;
END_OF_LIST(cur);
if (iface->ref) i = write_proxy_methods(iface->ref);
while (cur) {
var_t *def = cur->def;
if (!is_callas(def->attrs)) {
if (i) fprintf(proxy, ",\n");
print_proxy( "%s_", iface->name);
write_name(proxy, def);
fprintf(proxy, "_Proxy");
i++;
}
cur = PREV_LINK(cur);
}
return i;
}
static int write_stub_methods(type_t *iface)
{
func_t *cur = iface->funcs;
int i = 0;
END_OF_LIST(cur);
if (iface->ref) i = write_stub_methods(iface->ref);
else return i; /* skip IUnknown */
while (cur) {
var_t *def = cur->def;
if (!is_local(def->attrs)) {
if (i) fprintf(proxy,",\n");
print_proxy( "%s_", iface->name);
write_name(proxy, def);
fprintf(proxy, "_Stub");
i++;
}
cur = PREV_LINK(cur);
}
return i;
}
static void write_proxy(type_t *iface)
{
int midx = -1, stubs;
func_t *cur = iface->funcs;
if (!cur) return;
END_OF_LIST(cur);
/* FIXME: check for [oleautomation], shouldn't generate proxies/stubs if specified */
fprintf(proxy, "/*****************************************************************************\n");
fprintf(proxy, " * %s interface\n", iface->name);
fprintf(proxy, " */\n");
while (cur) {
var_t *def = cur->def;
if (!is_local(def->attrs)) {
var_t *cas = is_callas(def->attrs);
char *cname = cas ? cas->name : NULL;
int idx = cur->idx;
if (cname) {
func_t *m = iface->funcs;
while (m && strcmp(get_name(m->def), cname))
m = NEXT_LINK(m);
idx = m->idx;
}
gen_proxy(iface, cur, idx);
gen_stub(iface, cur, cname);
if (midx == -1) midx = idx;
else if (midx != idx) yyerror("method index mismatch in write_proxy");
midx++;
}
cur = PREV_LINK(cur);
}
/* proxy vtable */
print_proxy( "const CINTERFACE_PROXY_VTABLE(%d) _%sProxyVtbl =\n", midx, iface->name);
print_proxy( "{\n");
indent++;
print_proxy( "{\n", iface->name);
indent++;
print_proxy( "&IID_%s,\n", iface->name);
indent--;
print_proxy( "},\n");
print_proxy( "{\n");
indent++;
write_proxy_methods(iface);
fprintf(proxy, "\n");
indent--;
print_proxy( "}\n");
indent--;
print_proxy( "};\n");
fprintf(proxy, "\n\n");
/* stub vtable */
print_proxy( "static const PRPC_STUB_FUNCTION %s_table[] =\n", iface->name);
print_proxy( "{\n");
indent++;
stubs = write_stub_methods(iface);
fprintf(proxy, "\n");
indent--;
fprintf(proxy, "};\n");
print_proxy( "\n");
print_proxy( "const CInterfaceStubVtbl _%sStubVtbl =\n", iface->name);
print_proxy( "{\n");
indent++;
print_proxy( "{\n");
indent++;
print_proxy( "&IID_%s,\n", iface->name);
print_proxy( "0,\n");
print_proxy( "%d,\n", stubs+3);
print_proxy( "&%s_table[-3],\n", iface->name);
indent--;
print_proxy( "},\n", iface->name);
print_proxy( "{\n");
indent++;
print_proxy( "CStdStubBuffer_METHODS\n");
indent--;
print_proxy( "}\n");
indent--;
print_proxy( "};\n");
print_proxy( "\n");
}
void write_proxies(ifref_t *ifaces)
{
ifref_t *lcur = ifaces;
ifref_t *cur;
char *file_id = proxy_token;
int c;
if (!do_proxies) return;
if (!lcur) return;
END_OF_LIST(lcur);
init_proxy();
if(!proxy) return;
cur = lcur;
while (cur) {
if (is_object(cur->iface->attrs) && !is_local(cur->iface->attrs))
write_proxy(cur->iface);
cur = PREV_LINK(cur);
}
if (!proxy) return;
write_stubdesc();
print_proxy( "#if !defined(__RPC_WIN32__)\n");
print_proxy( "#error Currently only Wine and WIN32 are supported.\n");
print_proxy( "#endif\n");
print_proxy( "\n");
write_formatstring( 1 );
write_formatstring( 0 );
fprintf(proxy, "const CInterfaceProxyVtbl* _%s_ProxyVtblList[] =\n", file_id);
fprintf(proxy, "{\n");
cur = lcur;
while (cur) {
if(cur->iface->ref && cur->iface->funcs &&
is_object(cur->iface->attrs) && !is_local(cur->iface->attrs))
fprintf(proxy, " (CInterfaceProxyVtbl*)&_%sProxyVtbl,\n", cur->iface->name);
cur = PREV_LINK(cur);
}
fprintf(proxy, " 0\n");
fprintf(proxy, "};\n");
fprintf(proxy, "\n");
fprintf(proxy, "const CInterfaceStubVtbl* _%s_StubVtblList[] =\n", file_id);
fprintf(proxy, "{\n");
cur = lcur;
while (cur) {
if(cur->iface->ref && cur->iface->funcs &&
is_object(cur->iface->attrs) && !is_local(cur->iface->attrs))
fprintf(proxy, " (CInterfaceStubVtbl*)&_%sStubVtbl,\n", cur->iface->name);
cur = PREV_LINK(cur);
}
fprintf(proxy, " 0\n");
fprintf(proxy, "};\n");
fprintf(proxy, "\n");
fprintf(proxy, "PCInterfaceName const _%s_InterfaceNamesList[] =\n", file_id);
fprintf(proxy, "{\n");
cur = lcur;
while (cur) {
if(cur->iface->ref && cur->iface->funcs &&
is_object(cur->iface->attrs) && !is_local(cur->iface->attrs))
fprintf(proxy, " \"%s\",\n", cur->iface->name);
cur = PREV_LINK(cur);
}
fprintf(proxy, " 0\n");
fprintf(proxy, "};\n");
fprintf(proxy, "\n");
fprintf(proxy, "#define _%s_CHECK_IID(n) IID_GENERIC_CHECK_IID(_%s, pIID, n)\n", file_id, file_id);
fprintf(proxy, "\n");
fprintf(proxy, "int __stdcall _%s_IID_Lookup(const IID* pIID, int* pIndex)\n", file_id);
fprintf(proxy, "{\n");
cur = lcur;
c = 0;
while (cur) {
if(cur->iface->ref)
{
fprintf(proxy, " if (!_%s_CHECK_IID(%d))\n", file_id, c);
fprintf(proxy, " {\n");
fprintf(proxy, " *pIndex = %d;\n", c);
fprintf(proxy, " return 1;\n");
fprintf(proxy, " }\n");
c++;
}
cur = PREV_LINK(cur);
}
fprintf(proxy, " return 0;\n");
fprintf(proxy, "}\n");
fprintf(proxy, "\n");
fprintf(proxy, "const ExtendedProxyFileInfo %s_ProxyFileInfo =\n", file_id);
fprintf(proxy, "{\n");
fprintf(proxy, " (PCInterfaceProxyVtblList*)&_%s_ProxyVtblList,\n", file_id);
fprintf(proxy, " (PCInterfaceStubVtblList*)&_%s_StubVtblList,\n", file_id);
fprintf(proxy, " (const PCInterfaceName*)&_%s_InterfaceNamesList,\n", file_id);
fprintf(proxy, " 0,\n");
fprintf(proxy, " &_%s_IID_Lookup,\n", file_id);
fprintf(proxy, " %d,\n", c);
fprintf(proxy, " 1,\n");
fprintf(proxy, " 0,\n");
fprintf(proxy, " 0,\n");
fprintf(proxy, " 0,\n");
fprintf(proxy, " 0\n");
fprintf(proxy, "};\n");
fclose(proxy);
}
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