internal static object GetNonIndexable(object target, object[] indices)
{
// We want to allow:
// $x[0]
// and
// $x[-1]
// to be the same as
// $x
// But disallow anything else:
// if in the strict mode, throw exception
// otherwise, return AutomationNull.Value to signal no result
if (indices.Length == 1)
{
var index = indices[0];
if (index != null && (LanguagePrimitives.Equals(0, index) || LanguagePrimitives.Equals(-1, index)))
{
return(target);
}
}
var context = LocalPipeline.GetExecutionContextFromTLS();
if (context == null || !context.IsStrictVersion(2))
{
return(AutomationNull.Value);
}
throw InterpreterError.NewInterpreterException(target, typeof(RuntimeException), null, "CannotIndex",
ParserStrings.CannotIndex, target.GetType());
}
internal static object ContainsOperator(System.Management.Automation.ExecutionContext context, IScriptExtent errorPosition, object left, object right, bool contains, bool ignoreCase)
{
IEnumerator enumerator = LanguagePrimitives.GetEnumerator(left);
if (enumerator != null)
{
while (MoveNext(context, errorPosition, enumerator))
{
if (LanguagePrimitives.Equals(Current(errorPosition, enumerator), right, ignoreCase, CultureInfo.InvariantCulture))
{
return(BoolToObject(contains));
}
}
return(BoolToObject(!contains));
}
return(BoolToObject(contains == LanguagePrimitives.Equals(left, right, ignoreCase, CultureInfo.InvariantCulture)));
}
internal static object GetNonIndexable(object target, object[] indices)
{
if (indices.Length == 1)
{
object second = indices[0];
if ((second != null) && (LanguagePrimitives.Equals(0, second) || LanguagePrimitives.Equals(-1, second)))
{
return(target);
}
}
ExecutionContext executionContextFromTLS = LocalPipeline.GetExecutionContextFromTLS();
if ((executionContextFromTLS != null) && executionContextFromTLS.IsStrictVersion(2))
{
throw InterpreterError.NewInterpreterException(target, typeof(RuntimeException), null, "CannotIndex", ParserStrings.CannotIndex, new object[] { target.GetType() });
}
return(AutomationNull.Value);
}
internal static bool CompareScalarNe(object lhs, object rhs, bool ignoreCase)
{
return(!LanguagePrimitives.Equals(lhs, rhs, ignoreCase, CultureInfo.InvariantCulture));
}
