/// <remarks>
/// See $7.10.10 of C# 4 Spec for details.
/// </remarks>
Value Visit(TypeIsResolveResult result)
{
var importedType = NullableType.GetUnderlyingType(Import(result.TargetType));
var val = Convert(result.Input);
var conversions = CSharpConversions.Get(debuggerTypeSystem);
bool evalResult = false;
if (!val.IsNull)
{
IType inputType = NullableType.GetUnderlyingType(val.Type);
if (inputType.Equals(importedType))
{
evalResult = true;
}
else if (conversions.IsImplicitReferenceConversion(inputType, importedType))
{
evalResult = true;
}
else if (conversions.IsBoxingConversion(inputType, importedType))
{
evalResult = true;
}
}
return(Eval.CreateValue(evalThread, evalResult));
}
public JNode VisitTypeIsResolveResult(TypeIsResolveResult res)
{
var typeDef = res.TargetType.GetDefinitionOrArrayType(Compiler);
//if (Sk.OmitCasts(typeDef))
//{
// return J.True();
// //var node2 = Visit(res.Input);
// //return node2;
//}
//else
//{
var node2 = VisitExpression(res.Input).InstanceOf(JNaming.JAccess(res.TargetType));
return(node2);
//}
}
public JsNode VisitTypeIsResolveResult(TypeIsResolveResult res)
{
if (Sk.OmitCasts(res.TargetType))
{
return(Js.True());
//var node2 = Visit(res.Input);
//return node2;
}
else if (Sk.NativeCasts(res.TargetType))
{
var typeFieldName = Sk.GetJsonTypeFieldName(res.TargetType.GetDefinitionOrArrayType());
if (typeFieldName != null && Sk.IsJsonMode(res.TargetType.GetDefinitionOrArrayType()))
{
return(Js.Parentheses(VisitExpression(res.Input).Or(Js.Json())).Member(typeFieldName).Equal(SkJs.EntityTypeRefToMember(res.TargetType)));
}
var node2 = VisitExpression(res.Input).InstanceOf(SkJs.EntityTypeRefToMember(res.TargetType));
return(node2);
}
else
{
var node2 = Js.Member("Is").Invoke(VisitExpression(res.Input), SkJs.EntityTypeRefToMember(res.TargetType));
return(node2);
}
}
public virtual TResult VisitTypeIsResolveResult(TypeIsResolveResult rr, TData data)
{
VisitChildResolveResults(rr, data);
return(default(TResult));
}
string Visit(TypeIsResolveResult result)
{
throw new NotImplementedException();
}
public override string VisitTypeIsResolveResult(TypeIsResolveResult rr, object data)
{
return(CompileFactoryCall("TypeIs", new[] { typeof(Expression), typeof(Type) }, new[] { VisitResolveResult(rr.Input, null), ExpressionTreeBuilder.GetTypeName(rr.TargetType, this._emitter) }));
}
public virtual object VisitTypeIsResolveResult(TypeIsResolveResult rr, object data)
{
VisitChildResolveResults(rr, data);
return(null);
}
public override JsExpression VisitTypeIsResolveResult(TypeIsResolveResult rr, object data) {
return CompileFactoryCall("TypeIs", new[] { typeof(Expression), typeof(Type) }, new[] { VisitResolveResult(rr.Input, null), _instantiateType(rr.TargetType) });
}
public object VisitTypeIsResolveResult(TypeIsResolveResult res)
{
throw new NotImplementedException();
}
