C# Roslyn:工作区在控制台应用程序中加载,但不在msbuild任务中加载
我使用以下命令执行自定义msbuild任务:C# Roslyn:工作区在控制台应用程序中加载,但不在msbuild任务中加载,c#,windows,roslyn,C#,Windows,Roslyn,我使用以下命令执行自定义msbuild任务: var workspace = Workspace.LoadStandAloneProject(csprojPath); 当我运行它时,它抛出以下错误: System.InvalidCastException was unhandled by user code Message=Unable to cast transparent proxy to type 'Roslyn.Utilities.SerializableDataStorage'.
var workspace = Workspace.LoadStandAloneProject(csprojPath);
当我运行它时,它抛出以下错误:
System.InvalidCastException was unhandled by user code
Message=Unable to cast transparent proxy to type 'Roslyn.Utilities.SerializableDataStorage'.
Source=Roslyn.Services
StackTrace:
at Roslyn.Utilities.RemoteServices.CreateInstance[T]()
at Roslyn.Services.Host.TemporaryStorageServiceFactory.CreateService(IWorkspaceServiceProvider workspaceServices)
at Roslyn.Services.Host.WorkspaceServiceProviderFactory.Provider.c__DisplayClass7.b__4()
at Roslyn.Utilities.NonReentrantLazy`1.get_Value()
at Roslyn.Services.Host.WorkspaceServiceProviderFactory.Provider.GetService[TWorkspaceService]()
at Roslyn.Services.SolutionServices..ctor(IWorkspaceServiceProvider workspaceServices, ILanguageServiceProviderFactory languageServicesFactory)
at Roslyn.Services.Solution..ctor(SolutionId id, String filePath, VersionStamp version, VersionStamp latestProjectVersion, ILanguageServiceProviderFactory languageServiceProviderFactory, IWorkspaceServiceProvider workspaceServices)
at Roslyn.Services.Host.SolutionFactoryServiceFactory.SolutionFactoryService.CreateSolution(SolutionId id)
at Roslyn.Services.Host.TrackingWorkspace.CreateNewSolution(ISolutionFactoryService solutionFactory, SolutionId id)
at Roslyn.Services.Host.TrackingWorkspace..ctor(IWorkspaceServiceProvider workspaceServiceProvider, Boolean enableBackgroundCompilation, Boolean enableInProgressSolutions)
at Roslyn.Services.Host.HostWorkspace..ctor(IWorkspaceServiceProvider workspaceServiceProvider, Boolean enableBackgroundCompilation, Boolean enableInProgressSolutions, Boolean enableFileTracking)
at Roslyn.Services.Host.LoadedWorkspace..ctor(ILanguageServiceProviderFactory languageServiceProviderFactory, IWorkspaceServiceProvider workspaceServiceProvider, IProjectFileService projectFileFactsService, IDictionary`2 globalProperties, Boolean enableBackgroundCompilation, Boolean enableFileTracking)
at Roslyn.Services.Host.LoadedWorkspace..ctor(ExportProvider exportProvider, Boolean solutionLoadOnly, Boolean enableFileTracking)
at Roslyn.Services.Host.LoadedWorkspace..ctor(Boolean enableFileTracking)
at Roslyn.Services.Host.LoadedWorkspace.LoadStandAloneProject(String projectFileName, String configuration, String platform, String language, Boolean enableFileTracking)
at Roslyn.Services.Workspace.LoadStandAloneProject(String projectFileName, String configuration, String platform, String language, Boolean enableFileTracking)
...
用户代码未处理System.InvalidCastException
Message=无法将透明代理强制转换为类型“Roslyn.Utilities.SerializableDataStorage”。
Source=Roslyn.Services
堆栈跟踪:
在Roslyn.Utilities.RemoteServices.CreateInstance[T]()
位于Roslyn.Services.Host.TemporaryStorageServiceFactory.CreateService(IWorkspaceServiceProvider workspaceServices)
位于Roslyn.Services.Host.WorkspaceServiceProviderFactory.Provider.c__DisplayClass7.b__u4()
在Roslyn.Utilities.nonretentlazy`1.get_Value()
位于Roslyn.Services.Host.WorkspaceServiceProviderFactory.Provider.GetService[TWorkspaceService]()
在Roslyn.Services.SolutionServices..ctor(IWorkspaceServiceProvider workspaceServices、ILanguageServiceProviderFactory languageServicesFactory)
位于Roslyn.Services.Solution..ctor(SolutionId id、字符串文件路径、VersionStamp版本、VersionStamp最新项目版本、ILanguageServiceProviderFactory languageServiceProviderFactory、IWorkspaceServiceProvider workspaceServices)
位于Roslyn.Services.Host.SolutionFactoryServiceFactory.SolutionFactoryService.CreateSolution(SolutionId)
位于Roslyn.Services.Host.TrackingWorkspace.CreateNewSolution(ISolutionFactoryService solutionFactory,SolutionId)
位于Roslyn.Services.Host.TrackingWorkspace..ctor(IWorkspaceServiceProvider workspaceServiceProvider,布尔启用背景编译,布尔启用InProgressSolutions)
位于Roslyn.Services.Host.HostWorkspace..ctor(IWorkspaceServiceProvider workspaceServiceProvider、Boolean enableBackgroundCompilation、Boolean enableInProgressSolutions、Boolean enableFileTracking)
在Roslyn.Services.Host.LoadedWorkspace..ctor(ILanguageServiceProviderFactory languageServiceProviderFactory、IWorkspaceServiceProvider workspaceServiceProvider、IProjectFileService projectFileFactsService、IDictionary`2全局属性、布尔启用背景编译、布尔启用文件跟踪)
位于Roslyn.Services.Host.LoadedWorkspace..ctor(ExportProvider ExportProvider、Boolean solutionLoadOnly、Boolean enableFileTracking)
位于Roslyn.Services.Host.LoadedWorkspace..ctor(布尔启用文件跟踪)
位于Roslyn.Services.Host.LoadedWorkspace.LoadStandAloneProject(字符串项目文件名、字符串配置、字符串平台、字符串语言、布尔启用文件跟踪)
位于Roslyn.Services.Workspace.LoadStandAloneProject(字符串项目文件名、字符串配置、字符串平台、字符串语言、布尔启用文件跟踪)
...
相同的代码在控制台应用程序中使用相同的项目运行时运行良好
有什么想法吗?谷歌搜索没有任何帮助 这是MSBuild的一个限制。Roslyn无法在生成过程中递归调用MSBuild以确定项目属性/文件/引用。要在生成任务中创建Roslyn
IProject
,请尝试改用LoadFromCommandLineArgs()
方法。您将需要构造任务,使其采用与CscTask最终传递给编译器相同的参数
希望这有帮助 下面是Roslyn的MsBuild任务示例 为了重建Workspace.LoadProjectFromCommandLineArguments方法所需的命令行,我们必须将一些信息从msbuild文件传递到任务中
- 引用的程序集: @(ReferencePath)项目组
- 要编译的cs文件:@(编译)项组
- 基本目录:$(MSBuildProjectDirectory)内置属性
Microsoft.Build.Framework
Microsoft.Build.Utilities.v4.0
Roslyn.Compilers
Roslyn.Services
自定义MsBuild任务的代码:
using Microsoft.Build.Framework;
using Microsoft.Build.Utilities;
using Roslyn.Services;
using System.Collections.Generic;
using System.Linq;
using System.Text;
namespace RoslynMsBuildTask
{
public class RoslynTask : Task
{
[Required]
public ITaskItem[] ReferencePath { get; set; }
[Required]
public ITaskItem[] Compile { get; set; }
[Required]
public ITaskItem BaseDirectory { get; set; }
public override bool Execute()
{
Log.LogMessage(MessageImportance.High, "RoslynTask.Execute called...\n");
// Format the command line with the minimal info needed for Roslyn to create a workspace.
var commandLineForProject = string.Format("/reference:{0} {1}",
ReferencePath.Select(i => i.ItemSpec).ToSingleString(",", "\"", "\""),
Compile.Select(i => i.ItemSpec).ToSingleString(" ", "\"", "\""));
// Create the Roslyn workspace.
var workspace = Workspace.LoadProjectFromCommandLineArguments("MyProject", "C#", commandLineForProject, BaseDirectory.ItemSpec);
// Make sure that Roslyn actually parsed the project: dump the source from a syntax tree to the build log.
Log.LogMessage(MessageImportance.High, workspace.CurrentSolution.Projects.First()
.Documents.First(i => i.FilePath.EndsWith(".cs")).GetSyntaxRoot().GetText().ToString());
return true;
}
}
public static class IEnumerableExtension
{
public static string ToSingleString<T>(this IEnumerable<T> collection, string separator, string leftWrapper, string rightWrapper)
{
var stringBuilder = new StringBuilder();
foreach (var item in collection)
{
if (stringBuilder.Length > 0)
{
if (!string.IsNullOrEmpty(separator))
stringBuilder.Append(separator);
}
if (!string.IsNullOrEmpty(leftWrapper))
stringBuilder.Append(leftWrapper);
stringBuilder.Append(item.ToString());
if (!string.IsNullOrEmpty(rightWrapper))
stringBuilder.Append(rightWrapper);
}
return stringBuilder.ToString();
}
}
}
使用Microsoft.Build.Framework;
使用Microsoft.Build.Utilities;
使用Roslyn.Services;
使用System.Collections.Generic;
使用System.Linq;
使用系统文本;
名称空间RoslynMsBuildTask
{
公共类任务:任务
{
[必需]
公共ITaskItem[]引用路径{get;set;}
[必需]
公共ITaskItem[]编译{get;set;}
[必需]
公共ITaskItem基目录{get;set;}
公共重写bool Execute()
{
LogMessage(MessageImportance.High,“roslynstask.Execute”调用…\n);
//使用Roslyn创建工作区所需的最少信息格式化命令行。
var commandLineForProject=string.Format(“/reference:{0}{1}”,
ReferencePath.Select(i=>i.ItemSpec).ToSingleString(“,”,“\”,“\”,“\”),
Compile.Select(i=>i.ItemSpec.ToSingleString(“,“\”,“\”);
//创建Roslyn工作区。
var workspace=workspace.LoadProjectFromCommandLineArguments(“MyProject”、“C#”、commandLineForProject、BaseDirectory.ItemSpec);
//确保Roslyn确实解析了项目:将源代码从语法树转储到构建日志。
LogMessage(MessageImportance.High,workspace.CurrentSolution.Projects.First()
.Documents.First(i=>i.FilePath.EndsWith(“.cs”).GetSyntaxRoot().GetText().ToString());
返回true;
}
}
公共静态类IEnumerableExtension
{
公共静态字符串到SingleString(此IEnumerable集合、字符串分隔符、字符串leftWrapper、字符串rightWrapper)
{
var stringBuilder=新的stringBuilder();
foreach(集合中的var项)
{
如果(stringBuilder.Length>0)
{
如果(!string.IsNullOrEmpty(分隔符))
stringBuilder.Append(分隔符);
}
如果(!string.IsNullOrEmpty(leftWrapp
<Target Name="AfterBuild" DependsOnTargets="RoslynTask"/>
<UsingTask AssemblyFile="$(OutputPath)\RoslynMsBuildTask.dll" TaskName="RoslynMsBuildTask.RoslynTask" />
<Target Name="RoslynTask">
<RoslynTask ReferencePath="@(ReferencePath)" Compile="@(Compile)" BaseDirectory="$(MSBuildProjectDirectory)" />
</Target>