public override Expr VisitFilterExpr([NotNull] JPathParser.FilterExprContext context) { var lhs = context.Lhs.Accept(this); var filter = context.Filter.Accept(this); return((filter is IntLit || filter is VarExpr) ? (Expr) new RangeExpr(lhs, begin: filter, end: filter) : (Expr) new FilterExpr(lhs: lhs, filter: filter)); }
/// <summary> /// Visit a parse tree produced by the <c>FilterExpr</c> /// labeled alternative in <see cref="JPathParser.expr"/>. /// <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 VisitFilterExpr([NotNull] JPathParser.FilterExprContext context) { return(VisitChildren(context)); }
public override Expr VisitFilterExpr([NotNull] JPathParser.FilterExprContext context) { return(new FilterExpr(lhs: context.Lhs.Accept(this), filter: context.Filter.Accept(this))); }
/// <summary> /// Exit a parse tree produced by the <c>FilterExpr</c> /// labeled alternative in <see cref="JPathParser.expr"/>. /// <para>The default implementation does nothing.</para> /// </summary> /// <param name="context">The parse tree.</param> public virtual void ExitFilterExpr([NotNull] JPathParser.FilterExprContext context) { }