Example #1
0
 public override DynamicMetaObject FallbackInvokeMember(DynamicMetaObject target, DynamicMetaObject[] args, DynamicMetaObject errorSuggestion)
 {
     try
     {
         return new DynamicMetaObject(
             (Static.GetTargetType(target.Value)
                 .Null(t => YacqExpression.TypeCandidate(this._symbols, t))
                 ?? target.Expression.Reduce(this._symbols).TryConvert(target.RuntimeType)
             )
                 .Method(this._symbols, this.Name,
                     args.SelectAll(o => o.Expression.Reduce(this._symbols).TryConvert(o.RuntimeType))
                 )
                 .Reduce(this._symbols)
                 .If(e => e.Type == typeof(void), e =>
                     Expression.Block(e, Expression.Default(typeof(Object)))
                 )
                 .If(e => e.Type.IsValueType, e =>
                     e.TryConvert(typeof(Object))
                 ),
             target.Restrictions
         );
     }
     catch (Exception ex)
     {
         return errorSuggestion
             ?? new DynamicMetaObject(
                    Expression.Throw(Expression.Constant(ex), typeof(Object)),
                    BindingRestrictions.Empty
                );
     }
 }
Example #2
0
 public override DynamicMetaObject FallbackSetIndex(DynamicMetaObject target, DynamicMetaObject[] indexes, DynamicMetaObject value, DynamicMetaObject errorSuggestion)
 {
     try
     {
         return new DynamicMetaObject(
             YacqExpression.Function(this._symbols, "=",
                 YacqExpression.Function(this._symbols, ".",
                     target.Expression.Reduce(this._symbols).TryConvert(target.RuntimeType),
                     YacqExpression.Vector(this._symbols,
                         indexes.SelectAll(o => o.Expression.Reduce(this._symbols).TryConvert(target.RuntimeType))
                     )
                 ),
                 value.Expression.Reduce(this._symbols).TryConvert(target.RuntimeType)
             ).Reduce(this._symbols).TryConvert(typeof(Object)),
             target.Restrictions
         );
     }
     catch (Exception ex)
     {
         return errorSuggestion
             ?? new DynamicMetaObject(
                    Expression.Throw(Expression.Constant(ex), typeof(Object)),
                    BindingRestrictions.Empty
                );
     }
 }
Example #3
0
 public override DynamicMetaObject FallbackInvoke(DynamicMetaObject target, DynamicMetaObject[] args, DynamicMetaObject errorSuggestion)
 {
     try
     {
         return new DynamicMetaObject(
             YacqExpression.List(this._symbols,
                 args.SelectAll(o => o.Expression.Reduce(this._symbols).TryConvert(target.RuntimeType))
                     .StartWith(target.Expression.Reduce(this._symbols).TryConvert(target.RuntimeType))
             ).Reduce(this._symbols).TryConvert(typeof(Object)),
             target.Restrictions
         );
     }
     catch (Exception ex)
     {
         return errorSuggestion
             ?? new DynamicMetaObject(
                    Expression.Throw(Expression.Constant(ex), typeof(Object)),
                    BindingRestrictions.Empty
                );
     }
 }