static bool ShouldRunGenerator (ProjectFile file, Project project, bool force, out SingleProjectFileCustomTool tool, out ProjectFile genFile) { tool = null; genFile = null; //ignore cloned file from shared project in context of referencing project if ((file.Flags & ProjectItemFlags.DontPersist) != 0) { return false; } tool = GetGenerator (file.Generator); if (tool == null) { return false; } if (project == null) { // this might happen if the file is being removed from the project. Ideally we wouldn't hit this path // because if we use the overload with the project param then we can pass the appropriate project return false; } //ignore MSBuild tool for projects that aren't MSBuild or can't build //we could emit a warning but this would get very annoying for Xamarin Forms + SAP //in future we could consider running the MSBuild generator in context of every referencing project if (tool is MSBuildCustomTool) { if (!project.SupportsBuild ()) { return false; } bool byDefault, require; MonoDevelop.Projects.MSBuild.MSBuildProjectService.CheckHandlerUsesMSBuildEngine (project, out byDefault, out require); var usesMSBuild = require || (project.UseMSBuildEngine ?? byDefault); if (!usesMSBuild) { return false; } } if (!string.IsNullOrEmpty (file.LastGenOutput)) { genFile = project.Files.GetFile (file.FilePath.ParentDirectory.Combine (file.LastGenOutput)); } return force || genFile == null || !File.Exists (genFile.FilePath) || File.GetLastWriteTime (file.FilePath) > File.GetLastWriteTime (genFile.FilePath); }