private AphidObject InterpretPatternMatchingExpression(PatternMatchingExpression expression)
{
var left = (AphidObject)InterpretExpression(expression.TestExpression);
foreach (var p in expression.Patterns)
{
if (p.Item1 != null)
{
var right = (AphidObject)InterpretExpression(p.Item1);
var b = left.Value != null?
left.Value.Equals(right.Value) :
(null == right.Value && left.Count == 0 && right.Count == 0);
if (b)
{
return(ValueHelper.Wrap(InterpretExpression(p.Item2)));
}
}
else
{
return(ValueHelper.Wrap(InterpretExpression(p.Item2)));
}
}
return(new AphidObject());
}
[DebuggerStepThrough] protected virtual void EmitPatternMatchingExpression(PatternMatchingExpression expression, bool isStatement = false)
{
throw new NotImplementedException();
}
