1 | // Copyright (c) 2010-2013 AlphaSierraPapa for the SharpDevelop Team |
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2 | // |
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3 | // Permission is hereby granted, free of charge, to any person obtaining a copy of this |
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4 | // software and associated documentation files (the "Software"), to deal in the Software |
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5 | // without restriction, including without limitation the rights to use, copy, modify, merge, |
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6 | // publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons |
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7 | // to whom the Software is furnished to do so, subject to the following conditions: |
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8 | // |
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9 | // The above copyright notice and this permission notice shall be included in all copies or |
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10 | // substantial portions of the Software. |
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11 | // |
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12 | // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, |
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13 | // INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR |
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14 | // PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE |
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15 | // FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR |
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16 | // OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER |
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17 | // DEALINGS IN THE SOFTWARE. |
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18 | |
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19 | using System; |
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20 | using ICSharpCode.NRefactory.TypeSystem; |
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21 | |
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22 | namespace ICSharpCode.NRefactory.CSharp |
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23 | { |
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24 | /// <summary> |
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25 | /// [in|out] Name |
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26 | /// |
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27 | /// Represents a type parameter. |
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28 | /// Note: mirroring the C# syntax, constraints are not part of the type parameter declaration, but belong |
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29 | /// to the parent type or method. |
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30 | /// </summary> |
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31 | public class TypeParameterDeclaration : AstNode |
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32 | { |
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33 | public static readonly Role<AttributeSection> AttributeRole = EntityDeclaration.AttributeRole; |
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34 | public static readonly TokenRole OutVarianceKeywordRole = new TokenRole ("out"); |
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35 | public static readonly TokenRole InVarianceKeywordRole = new TokenRole ("in"); |
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36 | |
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37 | public override NodeType NodeType { |
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38 | get { return NodeType.Unknown; } |
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39 | } |
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40 | |
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41 | public AstNodeCollection<AttributeSection> Attributes { |
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42 | get { return GetChildrenByRole (AttributeRole); } |
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43 | } |
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44 | |
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45 | VarianceModifier variance; |
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46 | |
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47 | public VarianceModifier Variance { |
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48 | get { return variance; } |
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49 | set { ThrowIfFrozen(); variance = value; } |
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50 | } |
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51 | |
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52 | public CSharpTokenNode VarianceToken { |
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53 | get { |
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54 | switch (Variance) { |
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55 | case VarianceModifier.Covariant: |
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56 | return GetChildByRole(OutVarianceKeywordRole); |
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57 | case VarianceModifier.Contravariant: |
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58 | return GetChildByRole(InVarianceKeywordRole); |
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59 | default: |
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60 | return CSharpTokenNode.Null; |
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61 | } |
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62 | } |
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63 | } |
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64 | |
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65 | public string Name { |
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66 | get { |
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67 | return GetChildByRole (Roles.Identifier).Name; |
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68 | } |
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69 | set { |
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70 | SetChildByRole(Roles.Identifier, Identifier.Create (value)); |
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71 | } |
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72 | } |
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73 | |
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74 | public Identifier NameToken { |
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75 | get { |
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76 | return GetChildByRole (Roles.Identifier); |
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77 | } |
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78 | set { |
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79 | SetChildByRole (Roles.Identifier, value); |
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80 | } |
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81 | } |
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82 | |
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83 | public TypeParameterDeclaration () |
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84 | { |
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85 | } |
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86 | |
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87 | public TypeParameterDeclaration (string name) |
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88 | { |
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89 | Name = name; |
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90 | } |
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91 | |
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92 | public override void AcceptVisitor (IAstVisitor visitor) |
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93 | { |
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94 | visitor.VisitTypeParameterDeclaration (this); |
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95 | } |
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96 | |
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97 | public override T AcceptVisitor<T> (IAstVisitor<T> visitor) |
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98 | { |
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99 | return visitor.VisitTypeParameterDeclaration (this); |
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100 | } |
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101 | |
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102 | public override S AcceptVisitor<T, S>(IAstVisitor<T, S> visitor, T data) |
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103 | { |
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104 | return visitor.VisitTypeParameterDeclaration(this, data); |
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105 | } |
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106 | |
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107 | protected internal override bool DoMatch(AstNode other, PatternMatching.Match match) |
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108 | { |
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109 | TypeParameterDeclaration o = other as TypeParameterDeclaration; |
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110 | return o != null && this.Variance == o.Variance && MatchString(this.Name, o.Name) && this.Attributes.DoMatch(o.Attributes, match); |
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111 | } |
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112 | } |
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113 | } |
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