代码（来源https://www.dropbox.com/sh/6bog8n56iosg1z5/AABi-MBuqpuB1_OwqJ3wZFKya?dl=0&file_subpath=%2FRoslyn_Walker&preview=Roslyn_Walker.zip）：
1 using System;
2 using System.IO;
3 using System.Linq;
4 using System.Threading.Tasks;
5 using Microsoft.CodeAnalysis;
6 using Microsoft.CodeAnalysis.CSharp;
7 using Microsoft.CodeAnalysis.CSharp.Syntax;
8 using Microsoft.CodeAnalysis.MSBuild;
9 using Microsoft.Build.Locator;
10 using System.Collections.Generic;
11 namespace Test_roslyn_project
12 {
13 class Program
14 {
15 static void Main(string[] args)
16 {
17 try
18 {
19 //MSBuildLocator.RegisterDefaults();
20
21 // Attempt to set the version of MSBuild.
22 var instance = MSBuildLocator.QueryVisualStudioInstances().Single();
23 Console.WriteLine($"Using MSBuild at '{instance.MSBuildPath}' to load projects.");
24
25 // NOTE: Be sure to register an instance with the MSBuildLocator
26 // before calling MSBuildWorkspace.Create()
27 // otherwise, MSBuildWorkspace won't MEF compose.
28 MSBuildLocator.RegisterInstance(instance);
29
30 //Change this path as per required.
31 string[] projectsToParse =
32 Directory.GetFiles(@"E:VS2017WorkSpaceLearnStudent_mangentStudent_mangent", "*.csproj", SearchOption.AllDirectories);
33
34 Console.WriteLine("Projects to Parse: " + projectsToParse);
35 foreach (var currentFile in projectsToParse)
36 {
37 Console.WriteLine("Project: " + currentFile);
38 BrowseProjectsToParse(currentFile);
39 }
40
41 }
42 catch (Exception ex)
43 {
44 Console.WriteLine(ex.StackTrace);
45 }
46 }
47
48 private static void BrowseProjectsToParse(string projectPath)
49 {
50 try
51 {
52 using (var workspace = MSBuildWorkspace.Create())
53 {
54 workspace.LoadMetadataForReferencedProjects = true;
55 // Print message for WorkspaceFailed event to help diagnosing project load failures.
56 workspace.WorkspaceFailed += (o, e) => Console.WriteLine(e.Diagnostic.Message);
57
58 Project currentProject = workspace.OpenProjectAsync(projectPath).Result;
59
60 Console.WriteLine("Project Name: " + currentProject.Name + " .Project Document Count: " + currentProject.Documents.Count());
61 foreach(var doc in currentProject.Documents)
62 {
63 Console.WriteLine(doc.Name);
64 }
65 if (currentProject.Documents.Any())
66 {
67 foreach (var document in currentProject.Documents)
68 {
69 SemanticModel sementicModel = document.GetSemanticModelAsync().Result;
70 }
71 }
72 }
73 }
74 catch (Exception ex)
75 {
76 Console.WriteLine("BrowseProjectsToParse: " + ex.StackTrace);
77 }
78 }
79
80 private static void WorkSpaceFailed(object sender, WorkspaceDiagnosticEventArgs e)
81 {
82 Console.WriteLine("WorkSpaceFailed: " + e.Diagnostic.Message);
83 }
84
85 public static bool AnalyzeProject(Project project, string changedFilesOptionsFilePath = null)
86 {
87 Console.WriteLine("Project Name: " + project.Name + " .Project Document Count: " + project.Documents.Count());
88
89 if (project.Language == "C#")
90 {
91 if (project.Documents.Any()
92 && project.Documents.Any(x => x.Name.ToLower().EndsWith(".cs")))
93 {
94 Project projectInstance = project;
95
96 RemoveDuplicateProjectReferences(ref projectInstance);
97
98 foreach (var document in projectInstance.Documents)
99 {
100 AnalyzeDocument(document);
101 }
102 }
103 }
104 else
105 {
106 return false;
107 }
108
109 return true;
110 }
111
112 private static void RemoveDuplicateProjectReferences(ref Project projectInstance)
113 {
114 var allProjectReference = projectInstance.AllProjectReferences;
115 var distinctProjectCount = allProjectReference.Distinct().Count();
116
117 if (allProjectReference.Count > distinctProjectCount)
118 {
119 List<ProjectReference> uniqueProjectReferencs = new List<ProjectReference>();
120 List<ProjectReference> duplicateProeProjectReferencs = new List<ProjectReference>();
121
122 foreach (var projectRef in projectInstance.AllProjectReferences)
123 {
124 if (!uniqueProjectReferencs.Contains(projectRef))
125 uniqueProjectReferencs.Add(projectRef);
126 else
127 duplicateProeProjectReferencs.Add(projectRef);
128 }
129
130 foreach (var dupProjRef in duplicateProeProjectReferencs)
131 {
132 projectInstance = projectInstance.RemoveProjectReference(dupProjRef);
133 }
134 }
135 }
136
137
138 private static void AnalyzeDocument(Document document)
139 {
140 try
141 {
142 SyntaxNode decendendNodes = document.GetSyntaxRootAsync().Result;
143
144 try
145 {
146 SemanticModel sementicModel = document.GetSemanticModelAsync().Result;
147
148 }
149 catch (Exception ex)
150 {
151 if (ex.InnerException != null) Console.WriteLine(ex.InnerException.ToString());
152 Console.WriteLine(ex.StackTrace.ToString());
153 }
154 }
155 catch (Exception e)
156 {
157 Console.WriteLine(e.StackTrace);
158 }
159 }
160 }
161 }