Roslyn未在asp.net应用程序中检测到引用

编程问答 2022-08-15

问题描述

我在.NET Core 3.1项目中使用roslyn，它正在解析ASP.NET解决方案。 ASP.NET解决方案正在调用函数MyTestMethod，该函数位于.Net FW 4.6.2引用的项目中。当为该函数运行以下代码时，它不会在ASP.NET解决方案中返回引用的位置。但是如果我调用相同的功能例如在测试项目中，位置已成功检测到。

var symbol = semanticModel.GetDeclaredSymbol(node);
var references = SymbolFinder.FindReferencesAsync(symbol,solution).Result;

此问题可能与Roslyn使用的.net核心有关吗？ 有什么建议可以进一步测试以缩小问题根源吗？

如果有问题，我还将在Roslyn项目中使用Buildalyzer.Workspaces。

[更新] 根据诊断，我收到以下错误，但是我不确定它是否影响引用的解析，因为在测试项目中，我也收到此错误，以供参考。

C:\root\MySolution\MyBllRefProject\Bll.cs(7,14): error CS0234: The type or namespace name 'MyNamespace' does not exist in the namespace 'MyAssembly' (are you missing an assembly reference?)

C:\root\MySolution\MyBllRefProject\OtherLogic.cs(629,32): error CS0012: The type 'Object' is defined in an assembly that is not referenced. You must add a reference to assembly 'mscorlib,Version=2.0.5.0,Culture=neutral,PublicKeyToken=7cec85d7bea7798e,Retargetable=Yes'.

C:\root\MySolution\MyBllRefProject\OtherLogic.cs(629,25): error CS0012: The type 'Action<>' is defined in an assembly that is not referenced. You must add a reference to assembly 'mscorlib,Retargetable=Yes'.

C:\root\MySolution\MyBllRefProject\Config\AutoMapperBootstrap.cs(17,20): error CS0012: The type 'Object' is defined in an assembly that is not referenced. You must add a reference to assembly 'mscorlib,Retargetable=Yes'.

C:\root\MySolution\MyBllRefProject\DAL.cs(265,29): error CS0103: The name 'sqlHelper' does not exist in the current context

C:\root\MySolution\MyBllRefProject\DAL.cs(296,29): error CS0103: The name 'sqlHelper' does not exist in the current context

这是创建（简化）编译的方式

 var workspace = new AnalyzerManager(Solution).GetWorkspace();
   var solution = workspace.CurrentSolution;
    foreach (var file in p.Documents)
                        {
         //  Get Syntax tree for file
              var tree = file.GetSyntaxTreeAsync().Result;
                            //  Get root of Syntax tree
                            var root = (compilationunitSyntax)tree.GetRoot();
                            //  Get project compilation for symbolic relationship in assembly
                            var compilation = p.GetCompilationAsync().Result;
                            //  Get semantic model based on project compilation and the current document tree
                            var semanticModel = compilation.GetSemanticModel(tree);
                            //  Get all methods from the file
                            var methodReferences = getmethodReferences(solution,semanticModel,file,tree);
    //   do some more stuff
    }

解决方法

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