private void CheckMatch(InstanceTreeNode node)
{
if (node is StructInstance)
{
var instance = (StructInstance)node;
if (instance.Def == _def && (_expr == null || _expr.EvaluateBool(instance)))
{
_results.Add(instance);
}
}
}
public override IConvertible Evaluate(IEvaluateContext context)
{
switch (_operation)
{
case ExprTokenType.Minus:
return(-_operand.EvaluateInt(context));
case ExprTokenType.NOT:
return(!_operand.EvaluateBool(context));
}
throw new Exception("Unexpected unary operation " + _operation);
}
public override IConvertible Evaluate(IEvaluateContext context)
{
return(_condition.EvaluateBool(context) ? _trueValue.Evaluate(context) : _falseValue.Evaluate(context));
}