xref: /aoo42x/main/bridges/source/cpp_uno/gcc3_linux_s390/cpp2uno.cxx (revision 07a3d7f1)

/**************************************************************
 *
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 *
 *************************************************************/



// MARKER(update_precomp.py): autogen include statement, do not remove
#include "precompiled_bridges.hxx"

#include <com/sun/star/uno/genfunc.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 <stdio.h>
#include <string.h>

using namespace ::com::sun::star::uno;

namespace
{

static typelib_TypeClass 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 ** gpreg, void ** fpreg, void ** ovrflw,
	sal_Int64 * pRegisterReturn /* space for register return */ )
{
        int ng = 0; //number of gpr registers used
        int nf = 0; //number of fpr regsiters used
        void ** pCppStack; //temporary stack pointer

        // gpreg:  [ret *], this, [gpr params]
        // fpreg:  [fpr params]
        // ovrflw: [gpr or fpr params (properly aligned)]

	// 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)
	{
		if (bridges::cpp_uno::shared::isSimpleType( pReturnTypeDescr ))
		{
			pUnoReturn = pRegisterReturn; // direct way for simple types
		}
		else // complex return via ptr (pCppReturn)
		{
			pCppReturn = *(void **)gpreg;
                        gpreg++;
                        ng++;

			pUnoReturn = (bridges::cpp_uno::shared::relatesToInterfaceType( pReturnTypeDescr )
						  ? alloca( pReturnTypeDescr->nSize )
						  : pCppReturn); // direct way
		}
	}
	// pop this
        gpreg++;
        ng++;

	// 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
		{

			switch (pParamTypeDescr->eTypeClass)
			{

			  case typelib_TypeClass_DOUBLE:
			   if (nf < 2) {
			      pCppArgs[nPos] = fpreg;
			      pUnoArgs[nPos] = fpreg;
			      nf++;
			      fpreg += 2;
			   } else {
				pCppArgs[nPos] = ovrflw;
				pUnoArgs[nPos] = ovrflw;
			        ovrflw += 2;
			   }
			   break;

			   case typelib_TypeClass_FLOAT:
			    // fpreg are all double values so need to
			    // modify fpreg to be a single word float value
			    if (nf < 2) {
//			       float tmp = (float) (*((double *)fpreg));
//			       (*((float *) fpreg)) = tmp;
			       pCppArgs[nPos] = fpreg;
			       pUnoArgs[nPos] = fpreg;
			       nf++;
			       fpreg += 2;
			    } else {
                              pCppArgs[nPos] = ovrflw;
			      pUnoArgs[nPos] = ovrflw;
			      ovrflw += 1;
                            }
			    break;

			case typelib_TypeClass_HYPER:
			case typelib_TypeClass_UNSIGNED_HYPER:
			 if (ng < 4) {
			    pCppArgs[nPos] = gpreg;
			    pUnoArgs[nPos] = gpreg;
			    ng += 2;
			    gpreg += 2;
			 } else {
			    pCppArgs[nPos] = ovrflw;
			    pUnoArgs[nPos] = ovrflw;
			    ovrflw += 2;
			  }
			  break;

			case typelib_TypeClass_BYTE:
			case typelib_TypeClass_BOOLEAN:
			 if (ng < 5) {
			      pCppArgs[nPos] = (((char *)gpreg) + 3);
			      pUnoArgs[nPos] = (((char *)gpreg) + 3);
			      ng++;
			      gpreg++;
			 } else {
			      pCppArgs[nPos] = (((char *)ovrflw) + 3);
			      pUnoArgs[nPos] = (((char *)ovrflw) + 3);
			      ovrflw++;
			 }
			 break;


		       case typelib_TypeClass_CHAR:
		       case typelib_TypeClass_SHORT:
		       case typelib_TypeClass_UNSIGNED_SHORT:
			if (ng < 5) {
			      pCppArgs[nPos] = (((char *)gpreg)+ 2);
			      pUnoArgs[nPos] = (((char *)gpreg)+ 2);
			      ng++;
			      gpreg++;
			} else {
			      pCppArgs[nPos] = (((char *)ovrflw) + 2);
			      pUnoArgs[nPos] = (((char *)ovrflw) + 2);
			      ovrflw++;
			}
			break;


		      default:
			if (ng < 5) {
			      pCppArgs[nPos] = gpreg;
			      pUnoArgs[nPos] = gpreg;
			      ng++;
			      gpreg++;
			} else {
			      pCppArgs[nPos] = ovrflw;
			      pUnoArgs[nPos] = ovrflw;
			      ovrflw++;
			}
                        break;

		        }
		        // no longer needed
			TYPELIB_DANGER_RELEASE( pParamTypeDescr );
		}
		else // ptr to complex value | ref
		{

		        if (ng < 5) {
		          pCppArgs[nPos] = *(void **)gpreg;
		          pCppStack = gpreg;
		          ng++;
		          gpreg++;
		        } else {
		          pCppArgs[nPos] = *(void **)ovrflw;
		          pCppStack = ovrflw;
		         ovrflw++;
		        }

			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 );
			}
		}
	}

	// 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
		// is here for dummy
		return typelib_TypeClass_VOID;
	}
	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 );
			}
			// complex return ptr is set to return reg
			*(void **)pRegisterReturn = pCppReturn;
		}
		if (pReturnTypeDescr)
		{
			typelib_TypeClass eRet = (typelib_TypeClass)pReturnTypeDescr->eTypeClass;
			TYPELIB_DANGER_RELEASE( pReturnTypeDescr );
			return eRet;
		}
		else
			return typelib_TypeClass_VOID;
	}
}


//============================================================================
static typelib_TypeClass cpp_mediate(
	sal_uInt32 nOffsetAndIndex,
	void ** gpreg, void ** fpreg, void ** ovrflw,
	sal_Int64 * pRegisterReturn /* space for register return */ )
{
	OSL_ENSURE( sizeof(sal_Int32)==sizeof(void *), "### unexpected!" );

    sal_Int16 nVtableOffset = (nOffsetAndIndex >> 16);
    sal_Int16 nFunctionIndex = (nOffsetAndIndex & 0xFFFF);

	// gpreg:  [ret *], this, [other gpr params]
	// fpreg:  [fpr params]
	// ovrflw: [gpr or fpr params (properly aligned)]

	// _this_ ptr is patched cppu_XInterfaceProxy object
	void * pThis;
	if( nFunctionIndex & 0x8000 )
	{
		nFunctionIndex &= 0x7fff;
		pThis = gpreg[1];
	}
	else
    {
		pThis = gpreg[0];
    }

    pThis = static_cast< char * >(pThis) - nVtableOffset;

    bridges::cpp_uno::shared::CppInterfaceProxy * pCppI
        = bridges::cpp_uno::shared::CppInterfaceProxy::castInterfaceToProxy(
            pThis);

    typelib_InterfaceTypeDescription * pTypeDescr = pCppI->getTypeDescr();


	OSL_ENSURE( nFunctionIndex < pTypeDescr->nMapFunctionIndexToMemberIndex, "### illegal vtable index!" );
	if (nFunctionIndex >= pTypeDescr->nMapFunctionIndexToMemberIndex)
	{
		throw RuntimeException(
            rtl::OUString::createFromAscii("illegal vtable index!"),
            (XInterface *)pCppI );
	}

	// determine called method
	OSL_ENSURE( nVtableCall < pTypeDescr->nMapFunctionIndexToMemberIndex, "### illegal vtable index!" );
	sal_Int32 nMemberPos = pTypeDescr->pMapFunctionIndexToMemberIndex[nFunctionIndex];
	OSL_ENSURE( nMemberPos < pTypeDescr->nAllMembers, "### illegal member index!" );

	TypeDescription aMemberDescr( pTypeDescr->ppAllMembers[nMemberPos] );

	typelib_TypeClass eRet;
	switch (aMemberDescr.get()->eTypeClass)
	{
	case typelib_TypeClass_INTERFACE_ATTRIBUTE:
	{
		if (pTypeDescr->pMapMemberIndexToFunctionIndex[nMemberPos] == nFunctionIndex)
		{
			// is GET method
			eRet = cpp2uno_call(
				pCppI, aMemberDescr.get(),
				((typelib_InterfaceAttributeTypeDescription *)aMemberDescr.get())->pAttributeTypeRef,
				0, 0, // no params
				gpreg, fpreg, ovrflw, pRegisterReturn );
		}
		else
		{
			// is SET method
			typelib_MethodParameter aParam;
			aParam.pTypeRef =
				((typelib_InterfaceAttributeTypeDescription *)aMemberDescr.get())->pAttributeTypeRef;
			aParam.bIn		= sal_True;
			aParam.bOut		= sal_False;

			eRet = cpp2uno_call(
				pCppI, aMemberDescr.get(),
				0, // indicates void return
				1, &aParam,
				gpreg, fpreg, ovrflw, pRegisterReturn );
		}
		break;
	}
	case typelib_TypeClass_INTERFACE_METHOD:
	{
		// is METHOD
		switch (nFunctionIndex)
		{
		case 1: // acquire()
			pCppI->acquireProxy(); // non virtual call!
			eRet = typelib_TypeClass_VOID;
			break;
		case 2: // release()
			pCppI->releaseProxy(); // non virtual call!
			eRet = typelib_TypeClass_VOID;
			break;
		case 0: // queryInterface() opt
		{
			typelib_TypeDescription * pTD = 0;
			TYPELIB_DANGER_GET( &pTD, reinterpret_cast< Type * >( gpreg[2] )->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 * >( gpreg[0] ),
                        &pInterface, pTD, cpp_acquire );
                    pInterface->release();
                    TYPELIB_DANGER_RELEASE( pTD );
                    *(void **)pRegisterReturn = gpreg[0];
                    eRet = typelib_TypeClass_ANY;
                    break;
                }
                TYPELIB_DANGER_RELEASE( pTD );
            }
		} // else perform queryInterface()
		default:
			eRet = cpp2uno_call(
				pCppI, aMemberDescr.get(),
				((typelib_InterfaceMethodTypeDescription *)aMemberDescr.get())->pReturnTypeRef,
				((typelib_InterfaceMethodTypeDescription *)aMemberDescr.get())->nParams,
				((typelib_InterfaceMethodTypeDescription *)aMemberDescr.get())->pParams,
				gpreg, fpreg, ovrflw, pRegisterReturn );
		}
		break;
	}
	default:
	{
		throw RuntimeException(
            rtl::OUString::createFromAscii("no member description found!"),
            (XInterface *)pCppI );
		// is here for dummy
		eRet = typelib_TypeClass_VOID;
	}
	}

	return eRet;
}

//==================================================================================================
/**
 * is called on incoming vtable calls
 * (called by asm snippets)
 */
static void privateSnippetExecutor( sal_uInt32 nOffsetAndIndex, void** gpregptr, void** fpregptr, void** ovrflw)
{
#ifdef CMC_DEBUG
	fprintf(stderr, "privateSnippetExecutor\n");
#endif


    sal_Int32     gpreg[8];
    double        fpreg[8];

    memcpy( gpreg, gpregptr, 32);
    memcpy( fpreg, fpregptr, 64);

	volatile long nRegReturn[2];

	typelib_TypeClass aType =
		cpp_mediate( nOffsetAndIndex, (void**)gpreg, (void**)fpreg, ovrflw,
		(sal_Int64*)nRegReturn );

	switch( aType )
	{

                // move return value into register space
                // (will be loaded by machine code snippet)

                case typelib_TypeClass_BOOLEAN:
		  {
                  unsigned long tmp = (unsigned long)(*(unsigned char *)nRegReturn);
                  __asm__ volatile ( "l 2,%0\n\t" : :
			   "m"(tmp) : "2" );
                  break;
		  }
                case typelib_TypeClass_BYTE:
		  {
                  long tmp = (long)(*(signed char *)nRegReturn);
                  __asm__ volatile ( "l 2,%0\n\t" : :
			   "m"(tmp) : "2" );
                  break;
		  }
                case typelib_TypeClass_CHAR:
                case typelib_TypeClass_UNSIGNED_SHORT:
		  {
                  unsigned long tmp = (unsigned long)(*(unsigned short *)nRegReturn);
                  __asm__ volatile ( "l 2,%0\n\t" : :
			   "m"(tmp) : "2" );
                  break;
		  }
                case typelib_TypeClass_SHORT:
		  {
                  long tmp = (long)(*(short *)nRegReturn);
                  __asm__ volatile ( "l 2,%0\n\t" : :
			   "m"(tmp) : "2" );
                  break;
		  }
		case typelib_TypeClass_FLOAT:
                  __asm__ volatile ( "le 0,%0\n\t" : :
                           "m" (*((float*)nRegReturn)) : "16" );
		  break;

		case typelib_TypeClass_DOUBLE:
		  __asm__ volatile ( "ld 0,%0\n\t" : :
                           "m" (*((double*)nRegReturn)) : "16" );
		  break;

		case typelib_TypeClass_HYPER:
		case typelib_TypeClass_UNSIGNED_HYPER:
		  __asm__ volatile ( "lm 2,3,%0\n\t" : :
                           "m"(nRegReturn[0]) : "2", "3" );
		  break;

		default:
		  __asm__ volatile ( "l 2,%0\n\t" : :
                           "m"(nRegReturn[0]) : "2" );
		  break;
	}
}

const int codeSnippetSize = 50;

unsigned char* codeSnippet( unsigned char * code, sal_Int16 nFunctionIndex, sal_Int16 nVtableOffset, bool simple_ret_type )
{
    sal_uInt32 nOffsetAndIndex = ( ( nVtableOffset ) << 16 ) | ( nFunctionIndex );

    if (! simple_ret_type)
        nOffsetAndIndex |= 0x8000;

    OSL_ASSERT( sizeof (long) == 4 );

     /* generate this code */
     // lr      %r0,%r13
     // bras    %r13,0x6
     // .long   privateSnippetExecutor
     // .long   nOffsetAndIndex
     // stm     %r2,%r6,8(%r15)
     // std     %f0,64(%r15)
     // std     %f2,72(%r15)

     // l       %r2,4(%r13)
     // la      %r3,8(%r15)
     // la      %r4,64(%r15)
     // la      %r5,96(%r15)
     // l       %r1,0(%r13)
     // lr      %r13,%r0
     // br      %r1

    unsigned char * p = code;
    *reinterpret_cast< sal_Int16 * >(p) = 0x180d;
    p += sizeof(sal_Int16);
    *reinterpret_cast< sal_Int32 * >(p) = 0xa7d50006;
    p += sizeof(sal_Int32);
    *reinterpret_cast< sal_Int32 * >(p) =
        reinterpret_cast< sal_Int32 >(privateSnippetExecutor);
    p += sizeof(sal_Int32);
    *reinterpret_cast< sal_Int32 * >(p) = nOffsetAndIndex;
    p += sizeof(sal_Int32);
    *reinterpret_cast< sal_Int32 * >(p) = 0x9026f008;
    p += sizeof(sal_Int32);
    *reinterpret_cast< sal_Int32 * >(p) = 0x6000f040;
    p += sizeof(sal_Int32);
    *reinterpret_cast< sal_Int32 * >(p) = 0x6020f048;
    p += sizeof(sal_Int32);
    *reinterpret_cast< sal_Int32 * >(p) = 0x5820d004;
    p += sizeof(sal_Int32);
    *reinterpret_cast< sal_Int32 * >(p) = 0x4130f008;
    p += sizeof(sal_Int32);
    *reinterpret_cast< sal_Int32 * >(p) = 0x4140f040;
    p += sizeof(sal_Int32);
    *reinterpret_cast< sal_Int32 * >(p) = 0x4150f060;
    p += sizeof(sal_Int32);
    *reinterpret_cast< sal_Int32 * >(p) = 0x5810d000;
    p += sizeof(sal_Int32);
    *reinterpret_cast< sal_Int16 * >(p) = 0x18d0;
    p += sizeof(sal_Int16);
    *reinterpret_cast< sal_Int16 * >(p) = 0x07f1;
    p += sizeof(sal_Int16);

    return (code + codeSnippetSize);
}
}

void bridges::cpp_uno::shared::VtableFactory::flushCode(unsigned char const *, unsigned char const *)
{
}

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)
{
    return (slotCount + 2) * sizeof (Slot) + slotCount * codeSnippetSize;
}

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, sal_PtrDiff writetoexecdiff,
    typelib_InterfaceTypeDescription const * type, sal_Int32 functionOffset,
    sal_Int32 functionCount, sal_Int32 vtableOffset)
{
     (*slots) -= functionCount;
     Slot * s = *slots;
#ifdef CMC_DEBUG
    fprintf(stderr, "in addLocalFunctions functionOffset is %x\n",functionOffset);
    fprintf(stderr, "in addLocalFunctions vtableOffset is %x\n",vtableOffset);
#endif

    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:
            // Getter:
            (s++)->fn = code + writetoexecdiff;
            code = codeSnippet(
                code, functionOffset++, vtableOffset,
                bridges::cpp_uno::shared::isSimpleType(
                    reinterpret_cast<
                    typelib_InterfaceAttributeTypeDescription * >(
                        member)->pAttributeTypeRef));

            // Setter:
            if (!reinterpret_cast<
                typelib_InterfaceAttributeTypeDescription * >(
                    member)->bReadOnly)
            {
                (s++)->fn = code + writetoexecdiff;
                code = codeSnippet(code, functionOffset++, vtableOffset, true);
            }
            break;

        case typelib_TypeClass_INTERFACE_METHOD:
            (s++)->fn = code + writetoexecdiff;
            code = codeSnippet(
                code, functionOffset++, vtableOffset,
                bridges::cpp_uno::shared::isSimpleType(
                    reinterpret_cast<
                    typelib_InterfaceMethodTypeDescription * >(
                        member)->pReturnTypeRef));
            break;

        default:
            OSL_ASSERT(false);
            break;
        }
        TYPELIB_DANGER_RELEASE(member);
    }
    return code;
}

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