コード例 #1
0
ファイル: ExcGrammarVisitor.cs プロジェクト: deWladimir/Lab01
        public override double VisitModDivExpression(ExcGrammarParser.ModDivExpressionContext context)
        {
            var left  = WalkLeft(context);
            var right = WalkRight(context);

            if (right == 0)
            {
                throw new Exception("Div by 0");
            }
            if (context.operatorToken.Type == ExcGrammarLexer.MOD)
            {
                Debug.WriteLine("{0} mod {1}", left, right);
                return(left % right);
            }

            else
            {
                Debug.WriteLine("{0} div {1}", left, right);
                return((int)(left / right));
            }
        }
コード例 #2
0
 /// <summary>
 /// Visit a parse tree produced by the <c>ModDivExpression</c>
 /// labeled alternative in <see cref="ExcGrammarParser.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 VisitModDivExpression([NotNull] ExcGrammarParser.ModDivExpressionContext context)
 {
     return(VisitChildren(context));
 }
コード例 #3
0
 /// <summary>
 /// Exit a parse tree produced by the <c>ModDivExpression</c>
 /// labeled alternative in <see cref="ExcGrammarParser.expression"/>.
 /// <para>The default implementation does nothing.</para>
 /// </summary>
 /// <param name="context">The parse tree.</param>
 public virtual void ExitModDivExpression([NotNull] ExcGrammarParser.ModDivExpressionContext context)
 {
 }