/// <summary> /// Visit a parse tree produced by the <c>var</c> /// labeled alternative in <see cref="PolynomialParser.expr"/>. /// <para> /// The default implementation returns the result of calling <see cref="AbstractParseTreeVisitor{Result}.VisitChildren(IRuleNode)"/> /// on <paramref name="context"/>. /// </para> /// </summary> /// <param name="context">The parse tree.</param> /// <return>The visitor result.</return> public virtual Result VisitVar([NotNull] PolynomialParser.VarContext context) { return(VisitChildren(context)); }
/// <summary> /// Exit a parse tree produced by the <c>var</c> /// labeled alternative in <see cref="PolynomialParser.expr"/>. /// <para>The default implementation does nothing.</para> /// </summary> /// <param name="context">The parse tree.</param> public virtual void ExitVar([NotNull] PolynomialParser.VarContext context) { }
public override INode VisitVar([NotNull] PolynomialParser.VarContext context) { var c = context.GetText()[0]; return(new VariableNode(c)); }