public static MergeTypeRestrictions ( ) : |
||
return |
public override DynamicMetaObject BindGetMember(GetMemberBinder binder) { var expression = Expr.Call( Expr.Convert(Expression, typeof(LuaTable)), MemberInfos.LuaTableGetValue, Expr.Constant(binder.Name)); return(new DynamicMetaObject(expression, RuntimeHelpers.MergeTypeRestrictions(this))); }
public override DynamicMetaObject BindUnaryOperation(UnaryOperationBinder binder) { if (binder.Operation != ExprType.Negate) { throw new Exception(); // TODO } var expression = MetamethodFallbacks.UnaryMinus(null, this); return(new DynamicMetaObject(expression, RuntimeHelpers.MergeTypeRestrictions(this))); }
public override DynamicMetaObject BindBinaryOperation(BinaryOperationBinder binder, DynamicMetaObject arg) { if (!LuaBinaryOperationBinder.BinaryExprTypes.ContainsKey(binder.Operation)) { throw new Exception(); // TODO } var expression = MetamethodFallbacks.BinaryOp(null, binder.Operation, this, arg); return(new DynamicMetaObject(expression, RuntimeHelpers.MergeTypeRestrictions(this))); }
public override DynamicMetaObject BindGetIndex(GetIndexBinder binder, DynamicMetaObject[] indexes) { var valueVar = Expr.Variable(typeof(object)); var getValue = Expr.Call( Expr.Convert(Expression, typeof(LuaTable)), MemberInfos.LuaTableGetValue, Expr.Convert(indexes[0].Expression, typeof(object))); var valueAssign = Expr.Assign(valueVar, getValue); var expression = Expr.Block( valueVar, Expr.Condition( Expr.Equal(valueVar, Expr.Constant(null)), MetamethodFallbacks.Index(null, this, indexes), valueVar)); return(new DynamicMetaObject(expression, RuntimeHelpers.MergeTypeRestrictions(this))); }
public override DynamicMetaObject BindSetIndex(SetIndexBinder binder, DynamicMetaObject[] indexes, DynamicMetaObject value) { var getValue = Expr.Call( Expr.Convert(Expression, typeof(LuaTable)), MemberInfos.LuaTableGetValue, Expr.Convert(indexes[0].Expression, typeof(object))); var setValue = Expr.Call( Expr.Convert(Expression, typeof(LuaTable)), MemberInfos.LuaTableSetValue, Expr.Convert(indexes[0].Expression, typeof(object)), Expr.Convert(value.Expression, typeof(object))); var expression = Expr.Condition( Expr.Equal(getValue, Expr.Constant(null)), MetamethodFallbacks.NewIndex(null, this, indexes, value), setValue); return(new DynamicMetaObject(expression, RuntimeHelpers.MergeTypeRestrictions(this))); }
public override DynamicMetaObject BindInvoke(InvokeBinder binder, DynamicMetaObject[] args) { var expression = MetamethodFallbacks.Call(null, this, args); return(new DynamicMetaObject(expression, RuntimeHelpers.MergeTypeRestrictions(this))); }