public TermTail(Token token, Scope scope, TokenType operation, Factor factor, TermTail termTail = null)
: base(token, scope)
{
this.operation = operation;
this.factor = factor;
this.termTail = termTail;
}
public void VisitTermTailNode(TermTail node)
{
node.Accept(this.typeChecker);
Factor factor = node.Factor;
TermTail tail = node.ChildTermTail;
factor.Accept(this);
if (tail != null)
{
tail.Accept(this);
}
if (node.EvaluationType == TokenType.ERROR)
{
analyzer.notifyError(new IllegalTypeError(node));
}
}
public void VisitTermTailNode(TermTail node)
{
if (node.HasAlreadyBeenEvaluated)
{
return;
}
node.Factor.Accept(this);
TokenType factorEval = node.Factor.EvaluationType;
if (node.ChildTermTail != null)
{
node.ChildTermTail.Accept(this);
TokenType tailEval = node.ChildTermTail.EvaluationType;
if (!LegitOperationChecker.IsLegitOperationForEvaluations(node.ChildTermTail.Operation, factorEval, tailEval))
{
factorEval = TokenType.ERROR;
}
}
node.EvaluationType = factorEval;
}
public TermNode(Token token, Scope scope, Factor factorNode, TermTail termTailNode = null)
: base(token, scope)
{
this.factorNode = factorNode;
this.termTailNode = termTailNode;
}