public override MurMurVariable VisitNumberExpression([NotNull] MurMurParser.NumberExpressionContext context)
{
string text = context.GetText();
if (float.TryParse(text, out float value))
{
return(new MurMurVariable(value));
}
else
{
throw new MurMurException("Cannot parse " + text + " into a float", context.start.Line);
}
}
/// <summary>
/// Visit a parse tree produced by the <c>numberExpression</c>
/// labeled alternative in <see cref="MurMurParser.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 VisitNumberExpression([NotNull] MurMurParser.NumberExpressionContext context)
{
return(VisitChildren(context));
}
/// <summary>
/// Exit a parse tree produced by the <c>numberExpression</c>
/// labeled alternative in <see cref="MurMurParser.expression"/>.
/// <para>The default implementation does nothing.</para>
/// </summary>
/// <param name="context">The parse tree.</param>
public virtual void ExitNumberExpression([NotNull] MurMurParser.NumberExpressionContext context)
{
}
