public override bool Equals(object obj)
{
if (obj is Indexing)
{
Indexing other = (Indexing)obj;
return(this.item.Equals(other.item) && this.indexExpression.Equals(other.indexExpression));
}
return(false);
}
private static string ToDot(string parent, Indexing node)
{
string name = String.Format("Indexing{0}", counter++);
string itemName = ToDot(name, node.Item);
string indexExprName = ToDot(name, node.IndexExpression);
text.AppendFormat(" {0} [label=\"Indexing\"];", name);
text.AppendFormat(" {0} -> {1};\n", name, itemName);
text.AppendFormat(" {0} -> {1};\n", name, indexExprName);
return(name);
}
private static DLR.Expression GenerateIndexAssign(AplusScope scope, Indexing target, DLR.Expression value)
{
DLR.Expression result;
if (target.IndexExpression == null)
{
result = DLR.Expression.Dynamic(
scope.GetRuntime().SetIndexBinder(new DYN.CallInfo(0)),
typeof(object),
target.Item.Generate(scope),
DLR.Expression.Constant(null),
value
);
}
else
{
IEnumerable<DLR.Expression> indexerValues = target.IndexExpression.Items.Reverse().Select(
item => { return item.Generate(scope); }
);
DLR.ParameterExpression indexerParam = DLR.Expression.Parameter(typeof(List<AType>), "__INDEX__");
DLR.Expression call =
DLR.Expression.Call(
typeof(Helpers).GetMethod("BuildIndexerArray"),
DLR.Expression.NewArrayInit(typeof(AType), indexerValues)
);
Aplus runtime = scope.GetRuntime();
string qualifiedName = ((Identifier)target.Item).BuildQualifiedName(runtime.CurrentContext);
DLR.ParameterExpression temp = DLR.Expression.Parameter(typeof(AType));
DLR.ParameterExpression errorParam = DLR.Expression.Parameter(typeof(Error.Signal));
DLR.Expression callback = BuildCallbackCall(scope, temp);
DLR.Expression presetCallback = BuildPresetCallbackCall(scope, temp);
result =
DLR.Expression.Block(
new DLR.ParameterExpression[] { indexerParam, temp },
DLR.Expression.Assign(
indexerParam,
call
),
DLR.Expression.Assign(
scope.CallbackInfo.Index,
DLR.Expression.Call(
typeof(Tools).GetMethod("ConvertATypeListToAType", BindingFlags.NonPublic | BindingFlags.Static),
indexerParam
)
),
DLR.Expression.Assign(
scope.CallbackInfo.QualifiedName,
DLR.Expression.Constant(qualifiedName)
),
DLR.Expression.Assign(temp, value),
DLR.Expression.Assign(scope.AssignDone, DLR.Expression.Constant(false)),
DLR.Expression.TryCatch(
DLR.Expression.Block(
typeof(void),
DLR.Expression.Assign(value, presetCallback),
DLR.Expression.Assign(scope.AssignDone, DLR.Expression.Constant(true))
),
DLR.Expression.Catch(
errorParam,
DLR.Expression.Empty()
)
),
DLR.Expression.IfThen(
scope.AssignDone,
DLR.Expression.Block(
DLR.Expression.Dynamic(
scope.GetRuntime().SetIndexBinder(new System.Dynamic.CallInfo(target.IndexExpression.Length)),
typeof(object),
target.Item.Generate(scope),
indexerParam,
value
),
DLR.Expression.Assign(temp, value),
callback
)
),
scope.CallbackInfo.NonPresetValue
);
}
return DLR.Expression.Convert(result, typeof(AType));
}
private static string ToDot(string parent, Indexing node)
{
string name = String.Format("Indexing{0}", counter++);
string itemName = ToDot(name, node.Item);
string indexExprName = ToDot(name, node.IndexExpression);
text.AppendFormat(" {0} [label=\"Indexing\"];", name);
text.AppendFormat(" {0} -> {1};\n", name, itemName);
text.AppendFormat(" {0} -> {1};\n", name, indexExprName);
return name;
}