public override SelectionRuleNode VisitPropertyExpression(TmtParser.PropertyExpressionContext context) { SelectionRuleNode result = null; var left = context.left?.GetText()?.Split('.'); var right = context.right?.Text?.Trim('\''); if ((left?.Length ?? 0) >= 2) { var scope = Scope.Object; // ReSharper disable once PossibleNullReferenceException switch (left[0]) { case "source": scope = Scope.Source; break; case "target": scope = Scope.Target; break; } string propertyName = left.Length == 2 ? left[1] : left.Skip(1).Concat('.', null); result = GetComparisonRuleNode(propertyName, right, scope); if (Rule == null) { Rule = result; } } return(result); }
/// <summary> /// Visit a parse tree produced by the <c>propertyExpression</c> /// labeled alternative in <see cref="TmtParser.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 VisitPropertyExpression([NotNull] TmtParser.PropertyExpressionContext context) { return(VisitChildren(context)); }
/// <summary> /// Exit a parse tree produced by the <c>propertyExpression</c> /// labeled alternative in <see cref="TmtParser.expression"/>. /// <para>The default implementation does nothing.</para> /// </summary> /// <param name="context">The parse tree.</param> public virtual void ExitPropertyExpression([NotNull] TmtParser.PropertyExpressionContext context) { }