public static void ReportDiagnosticIfNonGenerated(
this SymbolAnalysisContext context,
GeneratedCodeRecognizer generatedCodeRecognizer,
Diagnostic diagnostic)
{
context.ReportDiagnosticIfNonGenerated(generatedCodeRecognizer, diagnostic, context.Compilation);
}
public static void ReportDiagnosticIfNonGenerated(
this CompilationAnalysisContext context,
GeneratedCodeRecognizer generatedCodeRecognizer,
Diagnostic diagnostic,
Compilation compilation)
{
if (!diagnostic.Location.SourceTree.IsGenerated(generatedCodeRecognizer, compilation))
{
context.ReportDiagnostic(diagnostic);
}
}
public static void RegisterCodeBlockStartActionInNonGenerated <TLanguageKindEnum>(
this AnalysisContext context,
GeneratedCodeRecognizer generatedCodeRecognizer,
Action <CodeBlockStartAnalysisContext <TLanguageKindEnum> > action) where TLanguageKindEnum : struct
{
context.RegisterCodeBlockStartAction <TLanguageKindEnum>(
c =>
{
if (!c.CodeBlock.SyntaxTree.IsGenerated(generatedCodeRecognizer, c.SemanticModel.Compilation))
{
action(c);
}
});
}
private static async Task<bool> IsGeneratedAsync(string content, GeneratedCodeRecognizer generatedCodeRecognizer)
{
using (var workspace = new AdhocWorkspace())
{
var document = workspace.CurrentSolution.AddProject("foo", "foo.dll", LanguageNames.CSharp)
.AddMetadataReference(MetadataReference.CreateFromFile(typeof(object).Assembly.Location))
.AddMetadataReference(MetadataReference.CreateFromFile(typeof(Enumerable).Assembly.Location))
.AddDocument("Foo.cs", content);
var compilation = document.Project.GetCompilationAsync().Result;
var tree = await document.GetSyntaxTreeAsync();
return tree.IsGenerated(generatedCodeRecognizer, compilation);
}
}
public static void RegisterSyntaxNodeActionInNonGenerated <TLanguageKindEnum>(
this AnalysisContext context,
GeneratedCodeRecognizer generatedCodeRecognizer,
Action <SyntaxNodeAnalysisContext> action,
params TLanguageKindEnum[] syntaxKinds) where TLanguageKindEnum : struct
{
context.RegisterSyntaxNodeAction(
c =>
{
if (!c.Node.SyntaxTree.IsGenerated(generatedCodeRecognizer, c.SemanticModel.Compilation))
{
action(c);
}
},
syntaxKinds);
}
public static void RegisterSyntaxTreeActionInNonGenerated(
this AnalysisContext context,
GeneratedCodeRecognizer generatedCodeRecognizer,
Action <SyntaxTreeAnalysisContext> action)
{
context.RegisterCompilationStartAction(
csac =>
{
csac.RegisterSyntaxTreeAction(
c =>
{
if (!c.Tree.IsGenerated(generatedCodeRecognizer, csac.Compilation))
{
action(c);
}
});
});
}
private static bool IsGenerated(this SyntaxTree tree,
GeneratedCodeRecognizer generatedCodeRecognizer,
Compilation compilation)
{
if (tree == null)
{
return(false);
}
//this is locking if the compilation is not present in the Cache.
var cache = Cache.GetOrCreateValue(compilation);
bool result;
if (cache.TryGetValue(tree, out result))
{
return(result);
}
var generated = generatedCodeRecognizer.IsGenerated(tree);
cache.TryAdd(tree, generated);
return(generated);
}