public override void AssembleNew(Cosmos.Assembler.Assembler aAssembler, object aMethodInfo)
{
var xAssembler = aAssembler;
var xMethodInfo = (MethodInfo)aMethodInfo;
var xDelegate = typeof(global::System.Delegate);
var xMethod = xDelegate.GetMethod("GetInvokeMethod", BindingFlags.NonPublic | BindingFlags.Instance);
XS.Push(ILOp.GetLabel(xMethod));
}
public override void Execute(MethodInfo aMethod, ILOpCode aOpCode)
{
string xCurrentMethodLabel = GetLabel(aMethod, aOpCode);
OpType xType = ( OpType )aOpCode;
string xTypeID = GetTypeIDLabel(xType.Value);
//mTypeId = GetService<IMetaDataInfoService>().GetTypeIdLabel( mCastAsType );
// todo: throw an exception when the class does not support the cast!
string mReturnNullLabel = xCurrentMethodLabel + "_ReturnNull";
new CPUx86.Mov {
DestinationReg = CPUx86.Registers.EAX, SourceReg = CPUx86.Registers.ESP, SourceIsIndirect = true
};
new CPUx86.Compare {
DestinationReg = CPUx86.Registers.EAX, SourceValue = 0
};
new CPUx86.ConditionalJump {
Condition = CPUx86.ConditionalTestEnum.Zero, DestinationLabel = mReturnNullLabel
};
new CPUx86.Push {
DestinationReg = CPUx86.Registers.EAX, DestinationIsIndirect = true
};
new CPUx86.Push {
DestinationRef = Cosmos.Assembler.ElementReference.New(xTypeID), DestinationIsIndirect = true
};
SysReflection.MethodBase xMethodIsInstance = ReflectionUtilities.GetMethodBase(typeof(VTablesImpl), "IsInstance", "System.Int32", "System.Int32");
// new OpMethod( ILOpCode.Code.Call, 0, 0, xMethodIsInstance, aOpCode.CurrentExceptionHandler ) );
IL.Call.DoExecute(Assembler, aMethod, xMethodIsInstance, aOpCode, xCurrentMethodLabel, xCurrentMethodLabel + "_After_IsInstance_Call", DebugEnabled);
new Label(xCurrentMethodLabel + "_After_IsInstance_Call");
new CPUx86.Pop {
DestinationReg = CPUx86.Registers.EAX
};
new CPUx86.Compare {
DestinationReg = CPUx86.Registers.EAX, SourceValue = 0
};
new CPUx86.ConditionalJump {
Condition = CPUx86.ConditionalTestEnum.Equal, DestinationLabel = mReturnNullLabel
};
new CPUx86.Jump {
DestinationLabel = ILOp.GetLabel(aMethod, aOpCode.NextPosition)
};
new Label(mReturnNullLabel);
new CPUx86.Add {
DestinationReg = CPUx86.Registers.ESP, SourceValue = 4
};
string xAllocInfoLabelName = LabelName.Get(GCImplementationRefs.AllocNewObjectRef);
#warning TODO: Emit new exceptions
//new Newobj( Assembler ).Execute( aMethod, aOpCode );
//Newobj.Assemble( Assembler,
// typeof( InvalidCastException ).GetConstructor( new Type[ 0 ] ),
// GetService<IMetaDataInfoService>().GetTypeIdLabel( typeof( InvalidCastException ) ),
// mThisLabel,
// mMethodInfo,
// mCurrentILOffset,
// mThisLabel + "_After_NewException",
// GetService<IMetaDataInfoService>().GetTypeInfo( typeof( InvalidCastException ) ),
// GetService<IMetaDataInfoService>().GetMethodInfo( typeof( InvalidCastException ).GetConstructor( new Type[ 0 ] ), false ),
// GetServiceProvider(),
// xAllocInfo.LabelName );
new Label(xCurrentMethodLabel + "_After_NewException");
//Call.EmitExceptionLogic( Assembler, ( uint )mCurrentILOffset, mMethodInfo, mNextOpLabel, false, null );
}
public static void DoExecute(Cosmos.Assembler.Assembler Assembler, _MethodInfo aCurrentMethod, MethodBase aTargetMethod, ILOpCode aCurrent, string currentLabel, bool debugEnabled)
{
DoExecute(Assembler, aCurrentMethod, aTargetMethod, aCurrent, currentLabel, ILOp.GetLabel(aCurrentMethod, aCurrent.NextPosition), debugEnabled);
}