public override ASTNode VisitIfstmt([NotNull] llangParser.IfstmtContext context)
{
Expression cond = (Expression)Visit(context.expr());
Statement ifbody = (Statement)Visit(context.stmt(0)), elsebody = null;
if (context.stmt().Length > 1)
{
elsebody = (Statement)Visit(context.stmt(1));
}
return(new IfNode(cond, ifbody, elsebody, MakeSourceLoc(context)));
}
/// <summary>
/// Exit a parse tree produced by <see cref="llangParser.ifstmt"/>.
/// <para>The default implementation does nothing.</para>
/// </summary>
/// <param name="context">The parse tree.</param>
public virtual void ExitIfstmt([NotNull] llangParser.IfstmtContext context)
{
}
/// <summary>
/// Visit a parse tree produced by <see cref="llangParser.ifstmt"/>.
/// <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 VisitIfstmt([NotNull] llangParser.IfstmtContext context)
{
return(VisitChildren(context));
}