示例#1
0
        /// <summary>
        /// The visit subroutine for multiplication and division operators.
        /// </summary>
        public override VisitorResult VisitMultExp([NotNull] HaskellmmParser.MultExpContext context)
        {
            if (context.children.Count < 3)
            {
                throw new VisitException(context.Start.Line, context.Start.Column, "Expected expr (+/-) expr");
            }

            MultOperation operation;

            switch (context.children[1].GetText())
            {
            case "*":
                operation = MultOperation.Multiply;
                break;

            case "/":
                operation = MultOperation.Divide;
                break;

            default:
                throw new VisitException(context.Start.Line, context.Start.Column, "Operator was neither * or /");
            }

            AddExprNode(new MultNode(CreateNodeContext(context), operation));
            return(base.VisitMultExp(context));
        }
示例#2
0
 /// <summary>
 /// Visit a parse tree produced by the <c>multExp</c>
 /// labeled alternative in <see cref="HaskellmmParser.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 VisitMultExp([NotNull] HaskellmmParser.MultExpContext context)
 {
     return(VisitChildren(context));
 }
示例#3
0
 /// <summary>
 /// Exit a parse tree produced by the <c>multExp</c>
 /// labeled alternative in <see cref="HaskellmmParser.expr"/>.
 /// <para>The default implementation does nothing.</para>
 /// </summary>
 /// <param name="context">The parse tree.</param>
 public virtual void ExitMultExp([NotNull] HaskellmmParser.MultExpContext context)
 {
 }