public void Visit(Indexer expression)
{
Builder.Append("[");
expression.Index.Accept(this);
Builder.Append("]");
}
public void Visit(Indexer indexer)
{
EnsureIdentifierIsDefined(Result);
JsObject target = (JsObject)Result;
indexer.Index.Accept(this);
if (target.IsClr)
EnsureClrAllowed();
if (target.Class == JsInstance.CLASS_STRING) {
SetResult(Global.StringClass.New(target.ToString()[Convert.ToInt32(Result.ToNumber())].ToString()), target);
}
else {
if (target.Indexer != null)
SetResult(target.Indexer.get(target, Result), target);
else
SetResult(target[Result], target);
}
}
public void Visit(Indexer indexer)
{
JsDictionaryObject temp = (JsDictionaryObject)Result;
JsDictionaryObject currentScope = CurrentScope;
if (currentScope.IsClr)
ExitScope();
try
{
indexer.Index.Accept(this);
}
finally
{
if (currentScope.IsClr)
EnterScope(currentScope);
}
if (temp.IsClr) // && ((JsValue)Result).Type == JsValueType.CLRObject)
{
EnsureClrAllowed();
PermissionSet.PermitOnly();
try
{
if (temp.Value.GetType().IsArray)
{
Result = Global.ObjectClass.New(((Array)temp.Value).GetValue((int)Result.ToNumber()));
return;
}
else
{
var parameters = JsClr.ConvertParameters(Result);
PropertyInfo pi = propertyGetter.GetValue(temp.Value, "Item", parameters);
if (pi != null)
{
Result = Global.WrapClr(pi.GetValue(temp.Value, parameters));
return;
}
else
{
pi = propertyGetter.GetValue(temp.Value, Result.ToString());
if (pi != null)
{
Result = Global.WrapClr(pi.GetValue(temp.Value, null));
return;
}
FieldInfo fi = fieldGetter.GetValue(temp.Value, Result.ToString());
if (fi != null)
{
Result = Global.WrapClr(fi.GetValue(temp.Value));
return;
}
else
{
throw new JintException("Index not found: " + Result.ToString());
}
}
}
}
finally
{
CodeAccessPermission.RevertPermitOnly();
}
}
if (temp.Class == JsString.TYPEOF)
{
Result = Global.StringClass.New(temp.ToString()[Convert.ToInt32(Result.ToNumber())].ToString());
}
else
{
if (temp.Class == JsFunction.TYPEOF)
Result = ((JsFunction)temp).Scope[Result.ToString()];
else
Result = temp[Result.ToString()];
}
}
public void Visit(Indexer indexer) {
EnsureIdentifierIsDefined(Result);
JsObject target = (JsObject)Result;
indexer.Index.Accept(this);
if (target.IsClr)
EnsureClrAllowed();
if (target.Class == JsInstance.CLASS_STRING)
{
try
{
SetResult(Global.StringClass.New(target.ToString()[Convert.ToInt32(Result.ToNumber())].ToString()), target);
return;
}
catch
{
// if an error occured, try to access the index as a member
}
}
if (target.Indexer != null)
SetResult(target.Indexer.get(target, Result), target);
else
SetResult(target[Result], target);
}
void Analyze(Indexer Stmt)
{
SetCurrentLineAndCharNos(Stmt);
if (Stmt.Index != null)
{
int StatusIndex = AddToJintStack(Stmt.Source, JintState.Indexer);
Analyze(Stmt.Index);
if (JintStack[StatusIndex].State == JintState.Indexer)
{
List<JintItem> SubItems = RemoveJintStackFrom(StatusIndex + 1);
if (SubItems.Count > 1)
{
JintStack[StatusIndex].SubItems = new List<JintItem>(SubItems);
}
else if (SubItems.Count == 1)
{
if (SubItems[0].State == JintState.Identifier)
{
JintStack[StatusIndex].State = JintState.IdentifierIndex;
JintStack[StatusIndex].Value = SubItems[0].Value;
}
else if (SubItems[0].State == JintState.StringValue)
{
JintStack[StatusIndex].State = JintState.StringIndex;
JintStack[StatusIndex].Value = SubItems[0].Value;
}
else if (SubItems[0].State == JintState.IntValue)
{
JintStack[StatusIndex].State = JintState.IntIndex;
JintStack[StatusIndex].Value = SubItems[0].Value;
}
}
}
}
}
