Files
libreoffice/bridges/source/cpp_uno/gcc3_ios_arm/cpp2uno.cxx
Tor Lillqvist bb4d6a0d89 Make it compile for iOS device, no idea whether it works
Change-Id: I56fdc4894347d9cce4d3b932d3b8740fcb4ef8b7
2012-09-12 19:26:52 +03:00

559 lines
19 KiB
C++

/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*************************************************************************
*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* Copyright 2000, 2010 Oracle and/or its affiliates.
*
* OpenOffice.org - a multi-platform office productivity suite
*
* This file is part of OpenOffice.org.
*
* OpenOffice.org is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License version 3
* only, as published by the Free Software Foundation.
*
* OpenOffice.org 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 version 3 for more details
* (a copy is included in the LICENSE file that accompanied this code).
*
* You should have received a copy of the GNU Lesser General Public License
* version 3 along with OpenOffice.org. If not, see
* <http://www.openoffice.org/license.html>
* for a copy of the LGPLv3 License.
*
************************************************************************/
#include <com/sun/star/uno/genfunc.hxx>
#include "com/sun/star/uno/RuntimeException.hpp"
#include "com/sun/star/uno/Sequence.hxx"
#include <uno/data.h>
#include <typelib/typedescription.hxx>
#include "bridges/cpp_uno/shared/bridge.hxx"
#include "bridges/cpp_uno/shared/cppinterfaceproxy.hxx"
#include "bridges/cpp_uno/shared/types.hxx"
#include "bridges/cpp_uno/shared/vtablefactory.hxx"
#include "share.hxx"
#include "boost/static_assert.hpp"
#include <stdio.h>
using namespace ::com::sun::star::uno;
namespace
{
//==================================================================================================
void cpp2uno_call(
bridges::cpp_uno::shared::CppInterfaceProxy * pThis,
const typelib_TypeDescription * pMemberTypeDescr,
typelib_TypeDescriptionReference * pReturnTypeRef, // 0 indicates void return
sal_Int32 nParams, typelib_MethodParameter * pParams,
void ** pCallStack,
void * pReturnValue )
{
// pCallStack: ret, [return ptr], this, params
char * pCppStack = (char *)(pCallStack +1);
// return
typelib_TypeDescription * pReturnTypeDescr = 0;
if (pReturnTypeRef)
TYPELIB_DANGER_GET( &pReturnTypeDescr, pReturnTypeRef );
void * pUnoReturn = 0;
void * pCppReturn = 0; // complex return ptr: if != 0 && != pUnoReturn, reconversion need
if (pReturnTypeDescr)
{
// xxx todo: test PolyStructy<STRUCT<long>> foo()
if (
#ifdef __arm
!arm::return_in_hidden_param(pReturnTypeRef)
#else
CPPU_CURRENT_NAMESPACE::isSimpleReturnType( pReturnTypeDescr )
#endif
)
{
pUnoReturn = pReturnValue; // direct way for simple types
}
else // complex return via ptr (pCppReturn)
{
pCppReturn = *(void **)pCppStack;
pCppStack += sizeof(void *);
pUnoReturn = (bridges::cpp_uno::shared::relatesToInterfaceType(
pReturnTypeDescr )
? alloca( pReturnTypeDescr->nSize )
: pCppReturn); // direct way
}
}
// pop this
pCppStack += sizeof( void* );
// stack space
OSL_ENSURE( sizeof(void *) == sizeof(sal_Int32), "### unexpected size!" );
// parameters
void ** pUnoArgs = (void **)alloca( 4 * sizeof(void *) * nParams );
void ** pCppArgs = pUnoArgs + nParams;
// indizes of values this have to be converted (interface conversion cpp<=>uno)
sal_Int32 * pTempIndizes = (sal_Int32 *)(pUnoArgs + (2 * nParams));
// type descriptions for reconversions
typelib_TypeDescription ** ppTempParamTypeDescr = (typelib_TypeDescription **)(pUnoArgs + (3 * nParams));
sal_Int32 nTempIndizes = 0;
for ( sal_Int32 nPos = 0; nPos < nParams; ++nPos )
{
const typelib_MethodParameter & rParam = pParams[nPos];
typelib_TypeDescription * pParamTypeDescr = 0;
TYPELIB_DANGER_GET( &pParamTypeDescr, rParam.pTypeRef );
if (!rParam.bOut
&& bridges::cpp_uno::shared::isSimpleType( pParamTypeDescr ))
// value
{
pCppArgs[nPos] = pCppStack;
pUnoArgs[nPos] = pCppStack;
switch (pParamTypeDescr->eTypeClass)
{
case typelib_TypeClass_HYPER:
case typelib_TypeClass_UNSIGNED_HYPER:
case typelib_TypeClass_DOUBLE:
pCppStack += sizeof(sal_Int32); // extra long
default:
break;
}
// no longer needed
TYPELIB_DANGER_RELEASE( pParamTypeDescr );
}
else // ptr to complex value | ref
{
pCppArgs[nPos] = *(void **)pCppStack;
if (! rParam.bIn) // is pure out
{
// uno out is unconstructed mem!
pUnoArgs[nPos] = alloca( pParamTypeDescr->nSize );
pTempIndizes[nTempIndizes] = nPos;
// will be released at reconversion
ppTempParamTypeDescr[nTempIndizes++] = pParamTypeDescr;
}
// is in/inout
else if (bridges::cpp_uno::shared::relatesToInterfaceType(
pParamTypeDescr ))
{
uno_copyAndConvertData( pUnoArgs[nPos] = alloca( pParamTypeDescr->nSize ),
*(void **)pCppStack, pParamTypeDescr,
pThis->getBridge()->getCpp2Uno() );
pTempIndizes[nTempIndizes] = nPos; // has to be reconverted
// will be released at reconversion
ppTempParamTypeDescr[nTempIndizes++] = pParamTypeDescr;
}
else // direct way
{
pUnoArgs[nPos] = *(void **)pCppStack;
// no longer needed
TYPELIB_DANGER_RELEASE( pParamTypeDescr );
}
}
pCppStack += sizeof(sal_Int32); // standard parameter length
}
// ExceptionHolder
uno_Any aUnoExc; // Any will be constructed by callee
uno_Any * pUnoExc = &aUnoExc;
// invoke uno dispatch call
(*pThis->getUnoI()->pDispatcher)(
pThis->getUnoI(), pMemberTypeDescr, pUnoReturn, pUnoArgs, &pUnoExc );
// in case an exception occurred...
if (pUnoExc)
{
// destruct temporary in/inout params
for ( ; nTempIndizes--; )
{
sal_Int32 nIndex = pTempIndizes[nTempIndizes];
if (pParams[nIndex].bIn) // is in/inout => was constructed
uno_destructData( pUnoArgs[nIndex], ppTempParamTypeDescr[nTempIndizes], 0 );
TYPELIB_DANGER_RELEASE( ppTempParamTypeDescr[nTempIndizes] );
}
if (pReturnTypeDescr)
TYPELIB_DANGER_RELEASE( pReturnTypeDescr );
CPPU_CURRENT_NAMESPACE::raiseException(
&aUnoExc, pThis->getBridge()->getUno2Cpp() );
// has to destruct the any
}
else // else no exception occurred...
{
// temporary params
for ( ; nTempIndizes--; )
{
sal_Int32 nIndex = pTempIndizes[nTempIndizes];
typelib_TypeDescription * pParamTypeDescr = ppTempParamTypeDescr[nTempIndizes];
if (pParams[nIndex].bOut) // inout/out
{
// convert and assign
uno_destructData( pCppArgs[nIndex], pParamTypeDescr, cpp_release );
uno_copyAndConvertData( pCppArgs[nIndex], pUnoArgs[nIndex], pParamTypeDescr,
pThis->getBridge()->getUno2Cpp() );
}
// destroy temp uno param
uno_destructData( pUnoArgs[nIndex], pParamTypeDescr, 0 );
TYPELIB_DANGER_RELEASE( pParamTypeDescr );
}
// return
if (pCppReturn) // has complex return
{
if (pUnoReturn != pCppReturn) // needs reconversion
{
uno_copyAndConvertData( pCppReturn, pUnoReturn, pReturnTypeDescr,
pThis->getBridge()->getUno2Cpp() );
// destroy temp uno return
uno_destructData( pUnoReturn, pReturnTypeDescr, 0 );
}
if (pReturnValue != pCppReturn) {
// complex return ptr is set to eax if return value
// is not transferred via eax[/edx]:
*static_cast< void ** >(pReturnValue) = pCppReturn;
}
}
if (pReturnTypeDescr)
{
TYPELIB_DANGER_RELEASE( pReturnTypeDescr );
}
}
}
//==================================================================================================
extern "C" void cpp_vtable_call(
int nFunctionIndex, int nVtableOffset, void** pCallStack,
void * pReturnValue )
{
OSL_ENSURE( sizeof(sal_Int32)==sizeof(void *), "### unexpected!" );
// pCallStack: ret adr, [ret *], this, params
void * pThis;
if( nFunctionIndex & 0x80000000 )
{
nFunctionIndex &= 0x7fffffff;
pThis = pCallStack[2];
}
else
{
pThis = pCallStack[1];
}
pThis = static_cast< char * >(pThis) - nVtableOffset;
bridges::cpp_uno::shared::CppInterfaceProxy * pCppI
= bridges::cpp_uno::shared::CppInterfaceProxy::castInterfaceToProxy(
pThis);
#if OSL_DEBUG_LEVEL > 1
fprintf( stderr, "%p %p %p pThis=%p, pCppI=%p, function index=%d, vtable offset=%d\n", pCallStack[0], pCallStack[1], pCallStack[2], pThis, pCppI, nFunctionIndex, nVtableOffset );
#endif
typelib_InterfaceTypeDescription * pTypeDescr = pCppI->getTypeDescr();
#if OSL_DEBUG_LEVEL > 1
fprintf( stderr, "name=%s\n", rtl::OUStringToOString(pTypeDescr->aBase.pTypeName, RTL_TEXTENCODING_UTF8).getStr() );
#endif
OSL_ENSURE( nFunctionIndex < pTypeDescr->nMapFunctionIndexToMemberIndex, "### illegal vtable index!" );
if (nFunctionIndex >= pTypeDescr->nMapFunctionIndexToMemberIndex)
{
throw RuntimeException(
rtl::OUString( RTL_CONSTASCII_USTRINGPARAM( "illegal vtable index!" )),
(XInterface *)pThis );
}
// determine called method
sal_Int32 nMemberPos = pTypeDescr->pMapFunctionIndexToMemberIndex[nFunctionIndex];
OSL_ENSURE( nMemberPos < pTypeDescr->nAllMembers, "### illegal member index!" );
TypeDescription aMemberDescr( pTypeDescr->ppAllMembers[nMemberPos] );
#if OSL_DEBUG_LEVEL > 1
fprintf(stderr, "calling %s\n", rtl::OUStringToOString(aMemberDescr.get()->pTypeName, RTL_TEXTENCODING_UTF8).getStr());
#endif
switch (aMemberDescr.get()->eTypeClass)
{
case typelib_TypeClass_INTERFACE_ATTRIBUTE:
{
if (pTypeDescr->pMapMemberIndexToFunctionIndex[nMemberPos] == nFunctionIndex)
{
// is GET method
cpp2uno_call(
pCppI, aMemberDescr.get(),
((typelib_InterfaceAttributeTypeDescription *)aMemberDescr.get())->pAttributeTypeRef,
0, 0, // no params
pCallStack, pReturnValue );
}
else
{
// is SET method
typelib_MethodParameter aParam;
aParam.pTypeRef =
((typelib_InterfaceAttributeTypeDescription *)aMemberDescr.get())->pAttributeTypeRef;
aParam.bIn = sal_True;
aParam.bOut = sal_False;
cpp2uno_call(
pCppI, aMemberDescr.get(),
0, // indicates void return
1, &aParam,
pCallStack, pReturnValue );
}
break;
}
case typelib_TypeClass_INTERFACE_METHOD:
{
// is METHOD
switch (nFunctionIndex)
{
case 1: // acquire()
pCppI->acquireProxy(); // non virtual call!
break;
case 2: // release()
pCppI->releaseProxy(); // non virtual call!
break;
case 0: // queryInterface() opt
{
typelib_TypeDescription * pTD = 0;
TYPELIB_DANGER_GET( &pTD, reinterpret_cast< Type * >( pCallStack[3] )->getTypeLibType() );
if (pTD)
{
XInterface * pInterface = 0;
(*pCppI->getBridge()->getCppEnv()->getRegisteredInterface)(
pCppI->getBridge()->getCppEnv(),
(void **)&pInterface, pCppI->getOid().pData,
(typelib_InterfaceTypeDescription *)pTD );
if (pInterface)
{
::uno_any_construct(
reinterpret_cast< uno_Any * >( pCallStack[1] ),
&pInterface, pTD, cpp_acquire );
pInterface->release();
TYPELIB_DANGER_RELEASE( pTD );
*static_cast< void ** >(pReturnValue) = pCallStack[1];
break;
}
TYPELIB_DANGER_RELEASE( pTD );
}
} // else perform queryInterface()
default:
cpp2uno_call(
pCppI, aMemberDescr.get(),
((typelib_InterfaceMethodTypeDescription *)aMemberDescr.get())->pReturnTypeRef,
((typelib_InterfaceMethodTypeDescription *)aMemberDescr.get())->nParams,
((typelib_InterfaceMethodTypeDescription *)aMemberDescr.get())->pParams,
pCallStack, pReturnValue );
}
break;
}
default:
{
throw RuntimeException(
rtl::OUString( RTL_CONSTASCII_USTRINGPARAM( "no member description found!" )),
(XInterface *)pThis );
}
}
}
//==================================================================================================
extern "C" {
extern int nFunIndexes, nVtableOffsets;
extern int codeSnippets[];
}
unsigned char * codeSnippet(
sal_Int32 functionIndex, sal_Int32 vtableOffset,
#ifdef __arm
bool bHasHiddenParam
#else
typelib_TypeDescriptionReference * pReturnTypeRef
#endif
)
{
OSL_ASSERT(functionIndex < nFunIndexes);
if (!(functionIndex < nFunIndexes))
return NULL;
OSL_ASSERT(vtableOffset < nVtableOffsets);
if (!(vtableOffset < nVtableOffsets))
return NULL;
#ifdef __arm
return ((unsigned char *) &codeSnippets) + codeSnippets[functionIndex*nVtableOffsets*2 + vtableOffset*2 + bHasHiddenParam];
#else
enum { General, Void, Hyper, Float, Double, Class } exec;
bool bHasHiddenParam = false;
if (pReturnTypeRef == 0) {
exec = Void;
}
else {
switch (pReturnTypeRef->eTypeClass) {
case typelib_TypeClass_VOID:
exec = Void;
break;
case typelib_TypeClass_HYPER:
case typelib_TypeClass_UNSIGNED_HYPER:
exec = Hyper;
break;
case typelib_TypeClass_FLOAT:
exec = Float;
break;
case typelib_TypeClass_DOUBLE:
exec = Double;
break;
case typelib_TypeClass_STRUCT:
case typelib_TypeClass_EXCEPTION: {
typelib_TypeDescription * pReturnTypeDescr = 0;
TYPELIB_DANGER_GET( &pReturnTypeDescr, pReturnTypeRef );
bool const bSimpleReturnStruct =
CPPU_CURRENT_NAMESPACE::isSimpleReturnType(pReturnTypeDescr);
sal_Int32 const nRetSize = pReturnTypeDescr->nSize;
TYPELIB_DANGER_RELEASE( pReturnTypeDescr );
if (bSimpleReturnStruct && nRetSize <= 8) {
exec = General; // fills eax
if (nRetSize > 4)
exec = Hyper; // fills eax/edx
break;
}
}
case typelib_TypeClass_STRING:
case typelib_TypeClass_TYPE:
case typelib_TypeClass_SEQUENCE:
case typelib_TypeClass_INTERFACE:
case typelib_TypeClass_ANY:
bHasHiddenParam = 1;
exec = Class;
break;
default:
exec = General;
break;
}
}
// The codeSnippets table is indexed by functionIndex, vtableOffset, exec and flag
fprintf(stderr, "Indexing codeSnippets with %ld [%ld,%ld,%d,%d]\n",
functionIndex*nVtableOffsets*6*2 + vtableOffset*6*2 + exec*2 + bHasHiddenParam,
functionIndex, vtableOffset, (int) exec, bHasHiddenParam);
return ((unsigned char *) &codeSnippets) + codeSnippets[functionIndex*nVtableOffsets*6*2 + vtableOffset*6*2 + exec*2 + bHasHiddenParam];
#endif
}
}
struct bridges::cpp_uno::shared::VtableFactory::Slot { void * fn; };
bridges::cpp_uno::shared::VtableFactory::Slot *
bridges::cpp_uno::shared::VtableFactory::mapBlockToVtable(void * block)
{
return static_cast< Slot * >(block) + 2;
}
sal_Size bridges::cpp_uno::shared::VtableFactory::getBlockSize(
sal_Int32 slotCount)
{
#ifdef __arm
// ???
return (slotCount + 2) * sizeof (Slot);
#else
return (slotCount + 2) * sizeof (Slot);
#endif
}
bridges::cpp_uno::shared::VtableFactory::Slot *
bridges::cpp_uno::shared::VtableFactory::initializeBlock(
void * block, sal_Int32 slotCount)
{
Slot * slots = mapBlockToVtable(block);
slots[-2].fn = 0;
slots[-1].fn = 0;
return slots + slotCount;
}
unsigned char * bridges::cpp_uno::shared::VtableFactory::addLocalFunctions(
Slot ** slots, unsigned char * code,
typelib_InterfaceTypeDescription const * type, sal_Int32 functionOffset,
sal_Int32 functionCount, sal_Int32 vtableOffset)
{
(*slots) -= functionCount;
Slot * s = *slots;
for (sal_Int32 i = 0; i < type->nMembers; ++i) {
typelib_TypeDescription * member = 0;
TYPELIB_DANGER_GET(&member, type->ppMembers[i]);
OSL_ASSERT(member != 0);
switch (member->eTypeClass) {
case typelib_TypeClass_INTERFACE_ATTRIBUTE:
{
#ifdef __arm
typelib_InterfaceAttributeTypeDescription *pAttrTD =
reinterpret_cast<typelib_InterfaceAttributeTypeDescription *>( member );
#endif
// Getter:
(s++)->fn = codeSnippet(
functionOffset++, vtableOffset,
#ifdef __arm
arm::return_in_hidden_param( pAttrTD->pAttributeTypeRef )
#else
reinterpret_cast< typelib_InterfaceAttributeTypeDescription * >(
member)->pAttributeTypeRef
#endif
);
// Setter:
if (!reinterpret_cast<
typelib_InterfaceAttributeTypeDescription * >(
member)->bReadOnly)
{
(s++)->fn = codeSnippet(
functionOffset++, vtableOffset,
#ifdef __arm
false
#else
0 /* indicates VOID */
#endif
);
}
break;
}
case typelib_TypeClass_INTERFACE_METHOD:
{
#ifdef __arm
typelib_InterfaceMethodTypeDescription *pMethodTD =
reinterpret_cast<
typelib_InterfaceMethodTypeDescription * >(member);
#endif
(s++)->fn = codeSnippet(
functionOffset++, vtableOffset,
#ifdef __arm
arm::return_in_hidden_param(pMethodTD->pReturnTypeRef)
#else
reinterpret_cast< typelib_InterfaceMethodTypeDescription * >(
member)->pReturnTypeRef
#endif
);
break;
}
default:
OSL_ASSERT(false);
break;
}
TYPELIB_DANGER_RELEASE(member);
}
return code;
}
void bridges::cpp_uno::shared::VtableFactory::flushCode(
unsigned char const *, unsigned char const *)
{
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */