public static bool HasExplicitOrImplicitDefaultConstructor(this TypeDesc type)
{
return(type.IsValueType || type.GetDefaultConstructor() != null);
}
private TypeDesc EmitSafeHandleReturnValueMarshalling(TypeDesc type)
{
var nativeType = _context.GetWellKnownType(WellKnownType.IntPtr);
var vSafeHandle = _emitter.NewLocal(type);
var vReturnValue = _emitter.NewLocal(nativeType);
_marshallingCodeStream.Emit(ILOpcode.newobj, _emitter.NewToken(type.GetDefaultConstructor()));
_marshallingCodeStream.EmitStLoc(vSafeHandle);
_returnValueMarshallingCodeStream.EmitStLoc(vReturnValue);
_returnValueMarshallingCodeStream.EmitLdLoc(vSafeHandle);
_returnValueMarshallingCodeStream.EmitLdLoc(vReturnValue);
_returnValueMarshallingCodeStream.Emit(ILOpcode.call, _emitter.NewToken(
this.SafeHandleType.GetKnownMethod("SetHandle", null)));
_returnValueMarshallingCodeStream.EmitLdLoc(vSafeHandle);
return nativeType;
}