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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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
*/
#include "config.h"
#include "wine/port.h"
#include <stdio.h>
#include <stdlib.h>
#ifdef HAVE_UNISTD_H
# include <unistd.h>
#endif
#include <string.h>
#include <ctype.h>
#include "widl.h"
#include "utils.h"
#include "parser.h"
#include "header.h"
#include "typegen.h"
#include "expr.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 void print_proxy( const char *format, ... )
{
va_list va;
va_start( va, format );
print( proxy, indent, format, va );
va_end( va );
}
static void write_stubdescproto(void)
{
print_proxy( "static const MIDL_STUB_DESC Object_StubDesc;\n");
print_proxy( "\n");
}
static void write_stubdesc(int expr_eval_routines)
{
print_proxy( "static const MIDL_STUB_DESC Object_StubDesc =\n{\n");
indent++;
print_proxy( "0,\n");
print_proxy( "NdrOleAllocate,\n");
print_proxy( "NdrOleFree,\n");
print_proxy( "{0}, 0, 0, %s, 0,\n", expr_eval_routines ? "ExprEvalRoutines" : "0");
print_proxy( "__MIDL_TypeFormatString.Format,\n");
print_proxy( "1, /* -error bounds_check flag */\n");
print_proxy( "0x10001, /* Ndr library version */\n");
print_proxy( "0,\n");
print_proxy( "0x50100a4, /* MIDL Version 5.1.164 */\n");
print_proxy( "0,\n");
print_proxy("%s,\n", list_empty(&user_type_list) ? "0" : "UserMarshalRoutines");
print_proxy( "0, /* notify & notify_flag routine table */\n");
print_proxy( "1, /* Flags */\n");
print_proxy( "0, /* Reserved3 */\n");
print_proxy( "0, /* Reserved4 */\n");
print_proxy( "0 /* Reserved5 */\n");
indent--;
print_proxy( "};\n");
print_proxy( "\n");
}
static void init_proxy(const statement_list_t *stmts)
{
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 from %s - Do not edit ***/\n", PACKAGE_VERSION, input_name);
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( "#define __midl_proxy\n");
print_proxy( "#include \"objbase.h\"\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");
print_proxy( "#ifndef DECLSPEC_HIDDEN\n");
print_proxy( "#define DECLSPEC_HIDDEN\n");
print_proxy( "#endif\n");
print_proxy( "\n");
write_exceptions( proxy );
print_proxy( "\n");
print_proxy( "struct __proxy_frame\n");
print_proxy( "{\n");
print_proxy( " __DECL_EXCEPTION_FRAME\n");
print_proxy( " MIDL_STUB_MESSAGE _StubMsg;\n");
print_proxy( " void *This;\n");
print_proxy( "};\n");
print_proxy( "\n");
print_proxy("static int __proxy_filter( struct __proxy_frame *__frame )\n");
print_proxy( "{\n");
print_proxy( " return (__frame->_StubMsg.dwStubPhase != PROXY_SENDRECEIVE);\n");
print_proxy( "}\n");
print_proxy( "\n");
}
static void clear_output_vars( const var_list_t *args )
{
const var_t *arg;
if (!args) return;
LIST_FOR_EACH_ENTRY( arg, args, const var_t, entry )
{
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( *%s ));\n", arg->name, arg->name );
indent--;
}
}
}
int is_var_ptr(const var_t *v)
{
return is_ptr(v->type);
}
int cant_be_null(const var_t *v)
{
/* Search backwards for the most recent pointer attribute. */
const attr_list_t *attrs = v->attrs;
const type_t *type = v->type;
/* context handles have their own checking so they can be null for the
* purposes of null ref pointer checking */
if (is_aliaschain_attr(type, ATTR_CONTEXTHANDLE))
return 0;
if (is_user_type(type))
return 0;
if (!attrs && is_ptr(type))
{
attrs = type->attrs;
type = type_pointer_get_ref(type);
}
while (attrs)
{
int t = get_attrv(attrs, ATTR_POINTERTYPE);
if (t == RPC_FC_FP || t == RPC_FC_OP || t == RPC_FC_UP)
return 0;
if (t == RPC_FC_RP)
return 1;
if (is_ptr(type))
{
attrs = type->attrs;
type = type_pointer_get_ref(type);
}
else
attrs = NULL;
}
return 1; /* Default is RPC_FC_RP. */
}
static int need_delegation(const type_t *iface)
{
return type_iface_get_inherit(iface) &&
type_iface_get_inherit(type_iface_get_inherit(iface)) &&
type_iface_get_inherit(iface)->ignore;
}
static int get_delegation_indirect(const type_t *iface, const type_t ** delegate_to)
{
const type_t * cur_iface;
for (cur_iface = iface; cur_iface != NULL; cur_iface = type_iface_get_inherit(cur_iface))
if (need_delegation(cur_iface))
{
if(delegate_to)
*delegate_to = type_iface_get_inherit(cur_iface);
return 1;
}
return 0;
}
static int need_delegation_indirect(const type_t *iface)
{
return get_delegation_indirect(iface, NULL);
}
static void proxy_check_pointers( const var_list_t *args )
{
const var_t *arg;
if (!args) return;
LIST_FOR_EACH_ENTRY( arg, args, const var_t, entry )
{
if (is_var_ptr(arg) && cant_be_null(arg)) {
print_proxy( "if(!%s)\n", arg->name );
indent++;
print_proxy( "RpcRaiseException(RPC_X_NULL_REF_POINTER);\n");
indent--;
}
}
}
static void free_variable( const var_t *arg, const char *local_var_prefix )
{
unsigned int type_offset = arg->type->typestring_offset;
expr_t *iid;
type_t *type = arg->type;
expr_t *size = get_size_is_expr(type, arg->name);
if (size)
{
print_proxy( "__frame->_StubMsg.MaxCount = " );
write_expr(proxy, size, 0, 1, NULL, NULL, local_var_prefix);
fprintf(proxy, ";\n\n");
print_proxy( "NdrClearOutParameters( &__frame->_StubMsg, ");
fprintf(proxy, "&__MIDL_TypeFormatString.Format[%u], ", type_offset );
fprintf(proxy, "(void*)%s );\n", arg->name );
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:
case RPC_FC_STRUCT:
break;
case RPC_FC_FP:
case RPC_FC_IP:
iid = get_attrp( arg->attrs, ATTR_IIDIS );
if( iid )
{
print_proxy( "__frame->_StubMsg.MaxCount = (ULONG_PTR) " );
write_expr(proxy, iid, 1, 1, NULL, NULL, local_var_prefix);
print_proxy( ";\n\n" );
}
print_proxy( "NdrClearOutParameters( &__frame->_StubMsg, ");
fprintf(proxy, "&__MIDL_TypeFormatString.Format[%u], ", type_offset );
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_list_t *args, const char *local_var_prefix )
{
const var_t *arg;
if (!args) return;
LIST_FOR_EACH_ENTRY( arg, args, const var_t, entry )
if (is_attr(arg->attrs, ATTR_OUT))
{
free_variable( arg, local_var_prefix );
fprintf(proxy, "\n");
}
}
static void gen_proxy(type_t *iface, const var_t *func, int idx,
unsigned int proc_offset)
{
int has_ret = !is_void(type_function_get_rettype(func->type));
int has_full_pointer = is_full_pointer_function(func);
const char *callconv = get_attrp(func->type->attrs, ATTR_CALLCONV);
if (!callconv) callconv = "";
indent = 0;
print_proxy( "static void __finally_%s_%s_Proxy( struct __proxy_frame *__frame )\n",
iface->name, get_name(func) );
print_proxy( "{\n");
indent++;
if (has_full_pointer) write_full_pointer_free(proxy, indent, func);
print_proxy( "NdrProxyFreeBuffer( __frame->This, &__frame->_StubMsg );\n" );
indent--;
print_proxy( "}\n");
print_proxy( "\n");
write_type_decl_left(proxy, type_function_get_rettype(func->type));
print_proxy( " %s %s_%s_Proxy(\n", callconv, iface->name, get_name(func));
write_args(proxy, type_get_function_args(func->type), iface->name, 1, TRUE);
print_proxy( ")\n");
print_proxy( "{\n");
indent ++;
print_proxy( "struct __proxy_frame __f, * const __frame = &__f;\n" );
/* local variables */
if (has_ret) {
print_proxy( "" );
write_type_decl_left(proxy, type_function_get_rettype(func->type));
print_proxy( " _RetVal;\n");
}
print_proxy( "RPC_MESSAGE _RpcMessage;\n" );
if (has_ret) {
if (decl_indirect(type_function_get_rettype(func->type)))
print_proxy("void *_p_%s = &%s;\n",
"_RetVal", "_RetVal");
}
print_proxy( "\n");
print_proxy( "RpcExceptionInit( __proxy_filter, __finally_%s_%s_Proxy );\n", iface->name, get_name(func) );
print_proxy( "__frame->This = This;\n" );
if (has_full_pointer)
write_full_pointer_init(proxy, indent, func, FALSE);
/* FIXME: trace */
clear_output_vars( type_get_function_args(func->type) );
print_proxy( "RpcTryExcept\n" );
print_proxy( "{\n" );
indent++;
print_proxy( "NdrProxyInitialize(This, &_RpcMessage, &__frame->_StubMsg, &Object_StubDesc, %d);\n", idx);
proxy_check_pointers( type_get_function_args(func->type) );
print_proxy( "RpcTryFinally\n" );
print_proxy( "{\n" );
indent++;
write_remoting_arguments(proxy, indent, func, "", PASS_IN, PHASE_BUFFERSIZE);
print_proxy( "NdrProxyGetBuffer(This, &__frame->_StubMsg);\n" );
write_remoting_arguments(proxy, indent, func, "", PASS_IN, PHASE_MARSHAL);
print_proxy( "NdrProxySendReceive(This, &__frame->_StubMsg);\n" );
fprintf(proxy, "\n");
print_proxy( "__frame->_StubMsg.BufferStart = _RpcMessage.Buffer;\n" );
print_proxy( "__frame->_StubMsg.BufferEnd = __frame->_StubMsg.BufferStart + _RpcMessage.BufferLength;\n\n" );
print_proxy("if ((_RpcMessage.DataRepresentation & 0xffff) != NDR_LOCAL_DATA_REPRESENTATION)\n");
indent++;
print_proxy("NdrConvert( &__frame->_StubMsg, &__MIDL_ProcFormatString.Format[%u]);\n", proc_offset );
indent--;
fprintf(proxy, "\n");
write_remoting_arguments(proxy, indent, func, "", PASS_OUT, PHASE_UNMARSHAL);
if (has_ret)
{
if (decl_indirect(type_function_get_rettype(func->type)))
print_proxy("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_proxy("%s = 0;\n", "_RetVal");
write_remoting_arguments(proxy, indent, func, "", PASS_RETURN, PHASE_UNMARSHAL);
}
indent--;
print_proxy( "}\n");
print_proxy( "RpcFinally\n" );
print_proxy( "{\n" );
indent++;
print_proxy( "__finally_%s_%s_Proxy( __frame );\n", iface->name, get_name(func) );
indent--;
print_proxy( "}\n");
print_proxy( "RpcEndFinally\n" );
indent--;
print_proxy( "}\n" );
print_proxy( "RpcExcept(__frame->_StubMsg.dwStubPhase != PROXY_SENDRECEIVE)\n" );
print_proxy( "{\n" );
if (has_ret) {
indent++;
proxy_free_variables( type_get_function_args(func->type), "" );
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 gen_stub(type_t *iface, const var_t *func, const char *cas,
unsigned int proc_offset)
{
const var_t *arg;
int has_ret = !is_void(type_function_get_rettype(func->type));
int has_full_pointer = is_full_pointer_function(func);
indent = 0;
print_proxy( "struct __frame_%s_%s_Stub\n{\n", iface->name, get_name(func));
indent++;
print_proxy( "__DECL_EXCEPTION_FRAME\n" );
print_proxy( "MIDL_STUB_MESSAGE _StubMsg;\n");
print_proxy( "%s * _This;\n", iface->name );
declare_stub_args( proxy, indent, func );
indent--;
print_proxy( "};\n\n" );
print_proxy( "static void __finally_%s_%s_Stub(", iface->name, get_name(func) );
print_proxy( " struct __frame_%s_%s_Stub *__frame )\n{\n", iface->name, get_name(func) );
indent++;
write_remoting_arguments(proxy, indent, func, "__frame->", PASS_OUT, PHASE_FREE);
if (has_full_pointer)
write_full_pointer_free(proxy, indent, func);
indent--;
print_proxy( "}\n\n" );
print_proxy( "void __RPC_STUB %s_%s_Stub(\n", iface->name, get_name(func));
indent++;
print_proxy( "IRpcStubBuffer* This,\n");
print_proxy( "IRpcChannelBuffer *_pRpcChannelBuffer,\n");
print_proxy( "PRPC_MESSAGE _pRpcMessage,\n");
print_proxy( "DWORD* _pdwStubPhase)\n");
indent--;
print_proxy( "{\n");
indent++;
print_proxy( "struct __frame_%s_%s_Stub __f, * const __frame = &__f;\n\n",
iface->name, get_name(func) );
print_proxy("__frame->_This = (%s*)((CStdStubBuffer*)This)->pvServerObject;\n\n", iface->name);
/* FIXME: trace */
print_proxy("NdrStubInitialize(_pRpcMessage, &__frame->_StubMsg, &Object_StubDesc, _pRpcChannelBuffer);\n");
fprintf(proxy, "\n");
print_proxy( "RpcExceptionInit( 0, __finally_%s_%s_Stub );\n", iface->name, get_name(func) );
write_parameters_init(proxy, indent, func, "__frame->");
print_proxy("RpcTryFinally\n");
print_proxy("{\n");
indent++;
if (has_full_pointer)
write_full_pointer_init(proxy, indent, func, TRUE);
print_proxy("if ((_pRpcMessage->DataRepresentation & 0xffff) != NDR_LOCAL_DATA_REPRESENTATION)\n");
indent++;
print_proxy("NdrConvert( &__frame->_StubMsg, &__MIDL_ProcFormatString.Format[%u]);\n", proc_offset );
indent--;
fprintf(proxy, "\n");
write_remoting_arguments(proxy, indent, func, "__frame->", PASS_IN, PHASE_UNMARSHAL);
fprintf(proxy, "\n");
assign_stub_out_args( proxy, indent, func, "__frame->" );
print_proxy("*_pdwStubPhase = STUB_CALL_SERVER;\n");
fprintf(proxy, "\n");
print_proxy("");
if (has_ret) fprintf(proxy, "__frame->_RetVal = ");
if (cas) fprintf(proxy, "%s_%s_Stub", iface->name, cas);
else fprintf(proxy, "__frame->_This->lpVtbl->%s", get_name(func));
fprintf(proxy, "(__frame->_This");
if (type_get_function_args(func->type))
{
LIST_FOR_EACH_ENTRY( arg, type_get_function_args(func->type), const var_t, entry )
fprintf(proxy, ", %s__frame->%s", arg->type->declarray ? "*" : "", arg->name);
}
fprintf(proxy, ");\n");
fprintf(proxy, "\n");
print_proxy("*_pdwStubPhase = STUB_MARSHAL;\n");
fprintf(proxy, "\n");
write_remoting_arguments(proxy, indent, func, "__frame->", PASS_OUT, PHASE_BUFFERSIZE);
if (!is_void(type_function_get_rettype(func->type)))
write_remoting_arguments(proxy, indent, func, "__frame->", PASS_RETURN, PHASE_BUFFERSIZE);
print_proxy("NdrStubGetBuffer(This, _pRpcChannelBuffer, &__frame->_StubMsg);\n");
write_remoting_arguments(proxy, indent, func, "__frame->", PASS_OUT, PHASE_MARSHAL);
fprintf(proxy, "\n");
/* marshall the return value */
if (!is_void(type_function_get_rettype(func->type)))
write_remoting_arguments(proxy, indent, func, "__frame->", PASS_RETURN, PHASE_MARSHAL);
indent--;
print_proxy("}\n");
print_proxy("RpcFinally\n");
print_proxy("{\n");
indent++;
print_proxy( "__finally_%s_%s_Stub( __frame );\n", iface->name, get_name(func) );
indent--;
print_proxy("}\n");
print_proxy("RpcEndFinally\n");
print_proxy("_pRpcMessage->BufferLength = __frame->_StubMsg.Buffer - (unsigned char *)_pRpcMessage->Buffer;\n");
indent--;
print_proxy("}\n");
print_proxy("\n");
}
static int count_methods(type_t *iface)
{
const statement_t *stmt;
int count = 0;
if (type_iface_get_inherit(iface))
count = count_methods(type_iface_get_inherit(iface));
STATEMENTS_FOR_EACH_FUNC(stmt, type_iface_get_stmts(iface)) {
const var_t *func = stmt->u.var;
if (!is_callas(func->attrs)) count++;
}
return count;
}
static const statement_t * get_callas_source(const type_t * iface, const var_t * def)
{
const statement_t * source;
STATEMENTS_FOR_EACH_FUNC( source, type_iface_get_stmts(iface)) {
const var_t * cas = is_callas(source->u.var->attrs );
if (cas && !strcmp(def->name, cas->name))
return source;
}
return NULL;
}
static int write_proxy_methods(type_t *iface, int skip)
{
const statement_t *stmt;
int i = 0;
if (type_iface_get_inherit(iface))
i = write_proxy_methods(type_iface_get_inherit(iface),
need_delegation(iface));
STATEMENTS_FOR_EACH_FUNC(stmt, type_iface_get_stmts(iface)) {
const var_t *func = stmt->u.var;
if (!is_callas(func->attrs)) {
if (i != func->type->details.function->idx )
error("widl internal error: method index mismatch");
if (i) fprintf(proxy, ",\n");
if (skip || (is_local(func->attrs) && !get_callas_source(iface, func)))
print_proxy( "0 /* %s_%s_Proxy */", iface->name, get_name(func));
else print_proxy( "%s_%s_Proxy", iface->name, get_name(func));
i++;
}
}
return i;
}
static int write_stub_methods(type_t *iface, int skip)
{
const statement_t *stmt;
int i = 0;
if (type_iface_get_inherit(iface))
i = write_stub_methods(type_iface_get_inherit(iface), need_delegation(iface));
else
return i; /* skip IUnknown */
STATEMENTS_FOR_EACH_FUNC(stmt, type_iface_get_stmts(iface)) {
const var_t *func = stmt->u.var;
if (!is_callas(func->attrs)) {
int missing = 0;
const char * fname = get_name(func);
if(is_local(func->attrs)) {
const statement_t * callas_source = get_callas_source(iface, func);
if(!callas_source)
missing = 1;
else
fname = get_name(callas_source->u.var);
}
if (i) fprintf(proxy,",\n");
if (skip || missing) print_proxy("STUB_FORWARDING_FUNCTION");
else print_proxy( "%s_%s_Stub", iface->name, fname);
i++;
}
}
return i;
}
static void write_proxy(type_t *iface, unsigned int *proc_offset)
{
int count;
const statement_t *stmt;
int first_func = 1;
/* FIXME: check for [oleautomation], shouldn't generate proxies/stubs if specified */
STATEMENTS_FOR_EACH_FUNC(stmt, type_iface_get_stmts(iface)) {
const var_t *func = stmt->u.var;
if (first_func) {
fprintf(proxy, "/*****************************************************************************\n");
fprintf(proxy, " * %s interface\n", iface->name);
fprintf(proxy, " */\n");
first_func = 0;
}
if (!is_local(func->attrs)) {
const var_t *cas = is_callas(func->attrs);
const char *cname = cas ? cas->name : NULL;
int idx = func->type->details.function->idx;
if (cname) {
const statement_t *stmt2;
STATEMENTS_FOR_EACH_FUNC(stmt2, type_iface_get_stmts(iface)) {
const var_t *m = stmt2->u.var;
if (!strcmp(m->name, cname))
{
idx = m->type->details.function->idx;
break;
}
}
}
gen_proxy(iface, func, idx, *proc_offset);
gen_stub(iface, func, cname, *proc_offset);
*proc_offset += get_size_procformatstring_func( func );
}
}
count = count_methods(iface);
/* proxy vtable */
print_proxy( "static const CINTERFACE_PROXY_VTABLE(%d) _%sProxyVtbl =\n", count, 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, FALSE);
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++;
write_stub_methods(iface, FALSE);
fprintf(proxy, "\n");
indent--;
fprintf(proxy, "};\n");
print_proxy( "\n");
print_proxy( "static %sCInterfaceStubVtbl _%sStubVtbl =\n",
need_delegation_indirect(iface) ? "" : "const ", 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", count);
print_proxy( "&%s_table[-3],\n", iface->name);
indent--;
print_proxy( "},\n", iface->name);
print_proxy( "{\n");
indent++;
print_proxy( "CStdStubBuffer_%s\n", need_delegation_indirect(iface) ? "DELEGATING_METHODS" : "METHODS");
indent--;
print_proxy( "}\n");
indent--;
print_proxy( "};\n");
print_proxy( "\n");
}
static int does_any_iface(const statement_list_t *stmts, type_pred_t pred)
{
const statement_t *stmt;
if (stmts)
LIST_FOR_EACH_ENTRY(stmt, stmts, const statement_t, entry)
{
if (stmt->type == STMT_LIBRARY)
{
if (does_any_iface(stmt->u.lib->stmts, pred))
return TRUE;
}
else if (stmt->type == STMT_TYPE && stmt->u.type->type == RPC_FC_IP)
{
if (pred(stmt->u.type))
return TRUE;
}
}
return FALSE;
}
int need_proxy(const type_t *iface)
{
return is_object(iface->attrs) && !is_local(iface->attrs);
}
int need_stub(const type_t *iface)
{
return !is_object(iface->attrs) && !is_local(iface->attrs);
}
int need_proxy_file(const statement_list_t *stmts)
{
return does_any_iface(stmts, need_proxy);
}
int need_stub_files(const statement_list_t *stmts)
{
return does_any_iface(stmts, need_stub);
}
static void write_proxy_stmts(const statement_list_t *stmts, unsigned int *proc_offset)
{
const statement_t *stmt;
if (stmts) LIST_FOR_EACH_ENTRY( stmt, stmts, const statement_t, entry )
{
if (stmt->type == STMT_LIBRARY)
write_proxy_stmts(stmt->u.lib->stmts, proc_offset);
else if (stmt->type == STMT_TYPE && stmt->u.type->type == RPC_FC_IP)
{
if (need_proxy(stmt->u.type))
write_proxy(stmt->u.type, proc_offset);
}
}
}
static int cmp_iid( const void *ptr1, const void *ptr2 )
{
const type_t * const *iface1 = ptr1;
const type_t * const *iface2 = ptr2;
const UUID *uuid1 = get_attrp( (*iface1)->attrs, ATTR_UUID );
const UUID *uuid2 = get_attrp( (*iface2)->attrs, ATTR_UUID );
return memcmp( uuid1, uuid2, sizeof(UUID) );
}
static void build_iface_list( const statement_list_t *stmts, type_t **ifaces[], int *count )
{
const statement_t *stmt;
if (!stmts) return;
LIST_FOR_EACH_ENTRY( stmt, stmts, const statement_t, entry )
{
if (stmt->type == STMT_LIBRARY)
build_iface_list(stmt->u.lib->stmts, ifaces, count);
else if (stmt->type == STMT_TYPE && stmt->u.type->type == RPC_FC_IP)
{
type_t *iface = stmt->u.type;
if (type_iface_get_inherit(iface) && need_proxy(iface))
{
*ifaces = xrealloc( *ifaces, (*count + 1) * sizeof(*ifaces) );
(*ifaces)[(*count)++] = iface;
}
}
}
}
static type_t **sort_interfaces( const statement_list_t *stmts, int *count )
{
type_t **ifaces = NULL;
*count = 0;
build_iface_list( stmts, &ifaces, count );
qsort( ifaces, *count, sizeof(*ifaces), cmp_iid );
return ifaces;
}
static void write_proxy_routines(const statement_list_t *stmts)
{
int expr_eval_routines;
unsigned int proc_offset = 0;
write_formatstringsdecl(proxy, indent, stmts, need_proxy);
write_stubdescproto();
write_proxy_stmts(stmts, &proc_offset);
expr_eval_routines = write_expr_eval_routines(proxy, proxy_token);
if (expr_eval_routines)
write_expr_eval_routine_list(proxy, proxy_token);
write_user_quad_list(proxy);
write_stubdesc(expr_eval_routines);
print_proxy( "#if !defined(__RPC_WIN%u__)\n", pointer_size == 8 ? 64 : 32);
print_proxy( "#error Currently only Wine and WIN32 are supported.\n");
print_proxy( "#endif\n");
print_proxy( "\n");
write_procformatstring(proxy, stmts, need_proxy);
write_typeformatstring(proxy, stmts, need_proxy);
}
void write_proxies(const statement_list_t *stmts)
{
char *file_id = proxy_token;
int i, count, have_baseiid;
type_t **interfaces;
const type_t * delegate_to;
if (!do_proxies) return;
if (do_everything && !need_proxy_file(stmts)) return;
init_proxy(stmts);
if(!proxy) return;
if (do_win32 && do_win64)
{
fprintf(proxy, "\n#ifndef _WIN64\n\n");
pointer_size = 4;
write_proxy_routines( stmts );
fprintf(proxy, "\n#else /* _WIN64 */\n\n");
pointer_size = 8;
write_proxy_routines( stmts );
fprintf(proxy, "#endif /* _WIN64 */\n\n");
}
else if (do_win32)
{
pointer_size = 4;
write_proxy_routines( stmts );
}
else if (do_win64)
{
pointer_size = 8;
write_proxy_routines( stmts );
}
interfaces = sort_interfaces(stmts, &count);
fprintf(proxy, "static const CInterfaceProxyVtbl* const _%s_ProxyVtblList[] =\n", file_id);
fprintf(proxy, "{\n");
for (i = 0; i < count; i++)
fprintf(proxy, " (const CInterfaceProxyVtbl*)&_%sProxyVtbl,\n", interfaces[i]->name);
fprintf(proxy, " 0\n");
fprintf(proxy, "};\n");
fprintf(proxy, "\n");
fprintf(proxy, "static const CInterfaceStubVtbl* const _%s_StubVtblList[] =\n", file_id);
fprintf(proxy, "{\n");
for (i = 0; i < count; i++)
fprintf(proxy, " &_%sStubVtbl,\n", interfaces[i]->name);
fprintf(proxy, " 0\n");
fprintf(proxy, "};\n");
fprintf(proxy, "\n");
fprintf(proxy, "static PCInterfaceName const _%s_InterfaceNamesList[] =\n", file_id);
fprintf(proxy, "{\n");
for (i = 0; i < count; i++)
fprintf(proxy, " \"%s\",\n", interfaces[i]->name);
fprintf(proxy, " 0\n");
fprintf(proxy, "};\n");
fprintf(proxy, "\n");
if ((have_baseiid = does_any_iface(stmts, need_delegation_indirect)))
{
fprintf(proxy, "static const IID * _%s_BaseIIDList[] =\n", file_id);
fprintf(proxy, "{\n");
for (i = 0; i < count; i++)
{
if (get_delegation_indirect(interfaces[i], &delegate_to))
fprintf( proxy, " &IID_%s, /* %s */\n", delegate_to->name, interfaces[i]->name );
else
fprintf( proxy, " 0,\n" );
}
fprintf(proxy, " 0\n");
fprintf(proxy, "};\n");
fprintf(proxy, "\n");
}
fprintf(proxy, "static int __stdcall _%s_IID_Lookup(const IID* pIID, int* pIndex)\n", file_id);
fprintf(proxy, "{\n");
fprintf(proxy, " int low = 0, high = %d;\n", count - 1);
fprintf(proxy, "\n");
fprintf(proxy, " while (low <= high)\n");
fprintf(proxy, " {\n");
fprintf(proxy, " int pos = (low + high) / 2;\n");
fprintf(proxy, " int res = IID_GENERIC_CHECK_IID(_%s, pIID, pos);\n", file_id);
fprintf(proxy, " if (!res) { *pIndex = pos; return 1; }\n");
fprintf(proxy, " if (res > 0) low = pos + 1;\n");
fprintf(proxy, " else high = pos - 1;\n");
fprintf(proxy, " }\n");
fprintf(proxy, " return 0;\n");
fprintf(proxy, "}\n");
fprintf(proxy, "\n");
fprintf(proxy, "const ExtendedProxyFileInfo %s_ProxyFileInfo DECLSPEC_HIDDEN =\n", file_id);
fprintf(proxy, "{\n");
fprintf(proxy, " (const PCInterfaceProxyVtblList*)_%s_ProxyVtblList,\n", file_id);
fprintf(proxy, " (const PCInterfaceStubVtblList*)_%s_StubVtblList,\n", file_id);
fprintf(proxy, " _%s_InterfaceNamesList,\n", file_id);
if (have_baseiid) fprintf(proxy, " _%s_BaseIIDList,\n", file_id);
else fprintf(proxy, " 0,\n");
fprintf(proxy, " _%s_IID_Lookup,\n", file_id);
fprintf(proxy, " %d,\n", count);
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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