C++ (Cpp) CLR_RT_StackFrame::FixCall Examples

Example #1

File: CLR_RT_StackFrame.cpp Project: awakegod/NETMF-LPC

HRESULT CLR_RT_StackFrame::MakeCall( CLR_RT_MethodDef_Instance md, CLR_RT_HeapBlock* obj, CLR_RT_HeapBlock* args, int nArgs )
{
    NATIVE_PROFILE_CLR_CORE();
    TINYCLR_HEADER();

    const CLR_RECORD_METHODDEF* mdR        = md.m_target;
    bool                        fStatic    =(mdR->flags & CLR_RECORD_METHODDEF::MD_Static) != 0;
    int                         numArgs    = mdR->numArgs;
    int                         argsOffset = 0;
    CLR_RT_StackFrame*          stackSub;
    CLR_RT_HeapBlock            tmp;
    tmp.SetObjectReference( NULL );
    CLR_RT_ProtectFromGC        gc(tmp);

    if(mdR->flags & CLR_RECORD_METHODDEF::MD_Constructor)
    {
        CLR_RT_TypeDef_Instance owner;
        owner.InitializeFromMethod( md );

        _ASSERTE(obj == NULL);

        _SIDE_ASSERTE(owner.InitializeFromMethod( md ));

        TINYCLR_CHECK_HRESULT(g_CLR_RT_ExecutionEngine.NewObject( tmp, owner ));

        obj = &tmp;

        //
        // Make a copy of the object pointer.
        //
        PushValueAndAssign( tmp );
    }

    if(!fStatic)
    {
        FAULT_ON_NULL(obj);
        numArgs--;
        argsOffset = 1;
    }

    if(numArgs != nArgs) TINYCLR_SET_AND_LEAVE(CLR_E_INVALID_PARAMETER);

    //
    // In case the invoked method is abstract or virtual, resolve it to the correct method implementation.
    //
    if(mdR->flags & (CLR_RECORD_METHODDEF::MD_Abstract | CLR_RECORD_METHODDEF::MD_Virtual))
    {
        CLR_RT_TypeDef_Index   cls;
        CLR_RT_MethodDef_Index mdReal;

        _ASSERTE(obj);
        _ASSERTE(!fStatic);

        TINYCLR_CHECK_HRESULT(CLR_RT_TypeDescriptor::ExtractTypeIndexFromObject( *obj, cls ));

        if(g_CLR_RT_EventCache.FindVirtualMethod( cls, md, mdReal ) == false)
        {
            TINYCLR_SET_AND_LEAVE(CLR_E_WRONG_TYPE);
        }

        md.InitializeFromIndex( mdReal );

        mdR = md.m_target;
    }

#if defined(TINYCLR_APPDOMAINS)

    if(!fStatic && obj->IsTransparentProxy())
    {
        TINYCLR_CHECK_HRESULT(CLR_RT_StackFrame::PushAppDomainTransition( m_owningThread, md, obj, args ));

        stackSub = m_owningThread->CurrentFrame();

        stackSub->m_flags |= CLR_RT_StackFrame::c_AppDomainMethodInvoke;
    }
    else
#endif
    {
        TINYCLR_CHECK_HRESULT(CLR_RT_StackFrame::Push( m_owningThread, md, md.m_target->numArgs ));

        stackSub = m_owningThread->CurrentFrame();

        if(!fStatic)
        {
            stackSub->m_arguments[ 0 ].Assign( *obj );
        }

        if(numArgs)
        {
            memcpy( &stackSub->m_arguments[ argsOffset ], args, sizeof(CLR_RT_HeapBlock) * numArgs );
        }
    }

    TINYCLR_CHECK_HRESULT(stackSub->FixCall());

    TINYCLR_SET_AND_LEAVE(CLR_E_RESTART_EXECUTION);

    TINYCLR_NOCLEANUP();
}