示例#1
0
        public override IExpression VisitSubtraction(BasicParser.SubtractionContext context)
        {
            var left  = Visit(context.expression(0));
            var right = Visit(context.expression(1));

            return(new SubtractionExpression(left, right));
        }
 /// <summary>
 /// Visit a parse tree produced by the <c>subtraction</c>
 /// labeled alternative in <see cref="BasicParser.expression"/>.
 /// <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 VisitSubtraction([NotNull] BasicParser.SubtractionContext context)
 {
     return(VisitChildren(context));
 }
 /// <summary>
 /// Exit a parse tree produced by the <c>subtraction</c>
 /// labeled alternative in <see cref="BasicParser.expression"/>.
 /// <para>The default implementation does nothing.</para>
 /// </summary>
 /// <param name="context">The parse tree.</param>
 public virtual void ExitSubtraction([NotNull] BasicParser.SubtractionContext context)
 {
 }