public SimpleExpressionTail(Token token, TokenType operation, TermNode term, SimpleExpressionTail tail, Scope scope)
: base(token, scope)
{
this.operation = operation;
this.term = term;
this.tail = tail;
}
public SimpleExpression(Token token, TermNode term, SimpleExpressionTail tail, bool additiveInverse, Scope scope)
: base(token, scope)
{
this.term = term;
this.tail = tail;
this.additiveInverse = additiveInverse;
this.evaluationType = TokenType.UNDEFINED;
}
public void VisitSimpleExpressionTail(SimpleExpressionTail node)
{
if (node.HasAlreadyBeenEvaluated)
{
return;
}
node.Term.Accept(this);
TokenType termEval = node.Term.EvaluationType;
if (node.Tail != null)
{
node.Tail.Accept(this);
TokenType tailEval = node.Tail.EvaluationType;
if (!LegitOperationChecker.IsLegitOperationForEvaluations(node.Tail.Operation, termEval, tailEval))
{
termEval = TokenType.ERROR;
}
}
node.EvaluationType = termEval;
}
public void VisitSimpleExpressionTail(SimpleExpressionTail node)
{
node.Accept(this.typeChecker);
node.Term.Accept(this);
}
