public override MurMurVariable VisitIfBlock([NotNull] MurMurParser.IfBlockContext context)
{
var expression = context.ifCommand().expression();
var result = Visit(expression);
if (result.Boolean)
{
currentStack.Push(context);
return(VisitBlock(context.block()[0]));
}
else if (context.elseCommand() != null)
{
currentStack.Push(context);
return(VisitBlock(context.block()[1]));
}
return(new MurMurVariable());
}
/// <summary>
/// Visit a parse tree produced by <see cref="MurMurParser.ifBlock"/>.
/// <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 VisitIfBlock([NotNull] MurMurParser.IfBlockContext context)
{
return(VisitChildren(context));
}
/// <summary>
/// Exit a parse tree produced by <see cref="MurMurParser.ifBlock"/>.
/// <para>The default implementation does nothing.</para>
/// </summary>
/// <param name="context">The parse tree.</param>
public virtual void ExitIfBlock([NotNull] MurMurParser.IfBlockContext context)
{
}
