Пример #1
0
        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));
 }