protected override void AllocNativeToManaged(ILCodeStream codeStream)
{
ILEmitter emitter = _ilCodeStreams.Emitter;
MethodDesc ctor = ManagedType.GetParameterlessConstructor();
if (ctor == null)
{
throw new InvalidProgramException();
}
codeStream.Emit(ILOpcode.newobj, emitter.NewToken(ctor));
StoreManagedValue(codeStream);
}
protected override void AllocNativeToManaged(ILCodeStream codeStream)
{
var emitter = _ilCodeStreams.Emitter;
var lNull = emitter.NewCodeLabel();
// Check for null
LoadNativeValue(codeStream);
codeStream.Emit(ILOpcode.brfalse, lNull);
codeStream.Emit(ILOpcode.newobj, emitter.NewToken(
ManagedType.GetParameterlessConstructor()));
StoreManagedValue(codeStream);
codeStream.EmitLabel(lNull);
}
protected override void TransformNativeToManaged(ILCodeStream codeStream)
{
ILEmitter emitter = _ilCodeStreams.Emitter;
ILCodeLabel lNonNull = emitter.NewCodeLabel();
LoadManagedValue(codeStream);
codeStream.Emit(ILOpcode.brtrue, lNonNull);
MethodDesc ctor = ManagedType.GetParameterlessConstructor();
if (ctor == null)
{
throw new InvalidProgramException();
}
codeStream.Emit(ILOpcode.newobj, emitter.NewToken(ctor));
StoreManagedValue(codeStream);
codeStream.EmitLabel(lNonNull);
LoadNativeAddr(codeStream);
LoadManagedValue(codeStream);
codeStream.Emit(ILOpcode.call, _ilCodeStreams.Emitter.NewToken(
InteropStateManager.GetStructMarshallingNativeToManagedThunk(ManagedType)));
}
