1 | // Copyright (c) 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 System.Collections.Generic; |
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21 | using ICSharpCode.NRefactory.TypeSystem; |
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22 | |
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23 | namespace ICSharpCode.NRefactory.Analysis |
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24 | { |
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25 | /// <summary> |
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26 | /// A graph where type definitions are nodes; and edges are given by inheritance. |
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27 | /// </summary> |
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28 | public class TypeGraph |
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29 | { |
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30 | Dictionary<AssemblyQualifiedTypeName, TypeGraphNode> dict; |
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31 | |
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32 | /// <summary> |
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33 | /// Builds a graph of all type definitions in the specified set of assemblies. |
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34 | /// </summary> |
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35 | /// <param name="assemblies">The input assemblies. The assemblies may belong to multiple compilations.</param> |
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36 | /// <remarks>The resulting graph may be cyclic if there are cyclic type definitions.</remarks> |
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37 | public TypeGraph(IEnumerable<IAssembly> assemblies) |
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38 | { |
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39 | if (assemblies == null) |
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40 | throw new ArgumentNullException("assemblies"); |
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41 | dict = new Dictionary<AssemblyQualifiedTypeName, TypeGraphNode>(); |
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42 | foreach (IAssembly assembly in assemblies) { |
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43 | foreach (ITypeDefinition typeDef in assembly.GetAllTypeDefinitions()) { |
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44 | // Overwrite previous entry - duplicates can occur if there are multiple versions of the |
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45 | // same project loaded in the solution (e.g. separate .csprojs for separate target frameworks) |
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46 | dict[new AssemblyQualifiedTypeName(typeDef)] = new TypeGraphNode(typeDef); |
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47 | } |
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48 | } |
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49 | foreach (IAssembly assembly in assemblies) { |
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50 | foreach (ITypeDefinition typeDef in assembly.GetAllTypeDefinitions()) { |
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51 | TypeGraphNode typeNode = dict[new AssemblyQualifiedTypeName(typeDef)]; |
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52 | foreach (IType baseType in typeDef.DirectBaseTypes) { |
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53 | ITypeDefinition baseTypeDef = baseType.GetDefinition(); |
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54 | if (baseTypeDef != null) { |
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55 | TypeGraphNode baseTypeNode; |
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56 | if (dict.TryGetValue(new AssemblyQualifiedTypeName(baseTypeDef), out baseTypeNode)) { |
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57 | typeNode.BaseTypes.Add(baseTypeNode); |
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58 | baseTypeNode.DerivedTypes.Add(typeNode); |
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59 | } |
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60 | } |
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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 | |
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66 | public TypeGraphNode GetNode(ITypeDefinition typeDefinition) |
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67 | { |
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68 | if (typeDefinition == null) |
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69 | return null; |
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70 | return GetNode(new AssemblyQualifiedTypeName(typeDefinition)); |
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71 | } |
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72 | |
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73 | public TypeGraphNode GetNode(AssemblyQualifiedTypeName typeName) |
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74 | { |
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75 | TypeGraphNode node; |
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76 | if (dict.TryGetValue(typeName, out node)) |
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77 | return node; |
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78 | else |
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79 | return null; |
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80 | } |
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81 | } |
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82 | } |
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