public override Value VisitMulDivExpr(calculatorParser.MulDivExprContext context)
{
Value left = Visit(context.expr(0));
Value right = Visit(context.expr(1));
if (context.op.Type == calculatorParser.MUL)
{
return(new Value(left.asDouble() * right.asDouble()));
}
else if (context.op.Type == calculatorParser.DIV)
{
return(new Value(left.asDouble() / right.asDouble()));
}
else
{
throw new Exception("Cannot determine */ " + left + " " + right);
}
}
/// <summary>
/// Visit a parse tree produced by <see cref="calculatorParser.mulDivExpr"/>.
/// <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 VisitMulDivExpr([NotNull] calculatorParser.MulDivExprContext context)
{
return(VisitChildren(context));
}
/// <summary>
/// Exit a parse tree produced by <see cref="calculatorParser.mulDivExpr"/>.
/// <para>The default implementation does nothing.</para>
/// </summary>
/// <param name="context">The parse tree.</param>
public virtual void ExitMulDivExpr([NotNull] calculatorParser.MulDivExprContext context)
{
}
