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
);
}
}
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
);
}
}
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
);
}
}
