[11700] | 1 | // |
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| 2 | // ErrorNode.cs |
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| 3 | // |
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| 4 | // Author: |
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| 5 | // Mike Krüger <mkrueger@novell.com> |
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| 6 | // |
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| 7 | // Copyright (c) 2011 Xamarin (http://www.xamarin.com); |
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| 8 | // |
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| 9 | // Permission is hereby granted, free of charge, to any person obtaining a copy |
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| 10 | // of this software and associated documentation files (the "Software"), to deal |
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| 11 | // in the Software without restriction, including without limitation the rights |
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| 12 | // to use, copy, modify, merge, publish, distribute, sublicense, and/or sell |
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| 13 | // copies of the Software, and to permit persons to whom the Software is |
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| 14 | // furnished to do so, subject to the following conditions: |
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| 15 | // |
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| 16 | // The above copyright notice and this permission notice shall be included in |
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| 17 | // all copies or substantial portions of the Software. |
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| 18 | // |
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| 19 | // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
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| 20 | // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
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| 21 | // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE |
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| 22 | // AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
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| 23 | // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
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| 24 | // OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN |
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| 25 | // THE SOFTWARE. |
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| 26 | using System; |
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| 27 | |
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| 28 | namespace ICSharpCode.NRefactory.CSharp |
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| 29 | { |
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| 30 | /// <summary> |
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| 31 | /// Represents a parsing error in the ast. At the moment it only represents missing closing bracket. |
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| 32 | /// This closing bracket is replaced by a node at the highest possible position. |
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| 33 | /// (To make GetAstNodeAt (line, col) working). |
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| 34 | /// </summary> |
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| 35 | public class ErrorNode : AstNode |
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| 36 | { |
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| 37 | static TextLocation maxLoc = new TextLocation (int.MaxValue, int.MaxValue); |
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| 38 | |
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| 39 | public override NodeType NodeType { |
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| 40 | get { |
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| 41 | return NodeType.Unknown; |
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| 42 | } |
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| 43 | } |
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| 44 | |
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| 45 | public override TextLocation StartLocation { |
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| 46 | get { |
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| 47 | return maxLoc; |
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| 48 | } |
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| 49 | } |
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| 50 | |
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| 51 | public override TextLocation EndLocation { |
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| 52 | get { |
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| 53 | return maxLoc; |
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| 54 | } |
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| 55 | } |
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| 56 | |
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| 57 | public ErrorNode () |
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| 58 | { |
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| 59 | } |
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| 60 | |
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| 61 | public override void AcceptVisitor(IAstVisitor visitor) |
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| 62 | { |
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| 63 | visitor.VisitErrorNode(this); |
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| 64 | } |
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| 65 | |
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| 66 | public override T AcceptVisitor<T>(IAstVisitor<T> visitor) |
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| 67 | { |
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| 68 | return visitor.VisitErrorNode(this); |
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| 69 | } |
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| 70 | |
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| 71 | public override S AcceptVisitor<T, S>(IAstVisitor<T, S> visitor, T data) |
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| 72 | { |
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| 73 | return visitor.VisitErrorNode(this, data); |
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| 74 | } |
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| 75 | |
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| 76 | protected internal override bool DoMatch(AstNode other, PatternMatching.Match match) |
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| 77 | { |
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| 78 | var o = other as ErrorNode; |
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| 79 | return o != null; |
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| 80 | } |
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| 81 | |
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| 82 | public override string ToString(CSharpFormattingOptions formattingOptions) |
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| 83 | { |
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| 84 | return "[ErrorNode]"; |
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| 85 | } |
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| 86 | } |
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| 87 | } |
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| 88 | |
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