public override DynObj VisitIdentifierExpr([NotNull] KittenGrammarParser.IdentifierExprContext context) { var name = context.ID().Symbol.Text; if (!memory.ContainsKey(name)) { ReportError("UnrecognizedIdentifierError", $"identifier name {name} not found in the context", context.start.Line); } else { return(memory[name]); } return(DNull()); }
/// <summary> /// Exit a parse tree produced by the <c>identifierExpr</c> /// labeled alternative in <see cref="KittenGrammarParser.expr"/>. /// <para>The default implementation does nothing.</para> /// </summary> /// <param name="context">The parse tree.</param> public virtual void ExitIdentifierExpr([NotNull] KittenGrammarParser.IdentifierExprContext context) { }
/// <summary> /// Visit a parse tree produced by the <c>identifierExpr</c> /// labeled alternative in <see cref="KittenGrammarParser.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 VisitIdentifierExpr([NotNull] KittenGrammarParser.IdentifierExprContext context) { return(VisitChildren(context)); }