private (ClassReader, CodeModelBuilder) GetClassReaderFromCode(
string csharpCode,
string className,
Func <INamedTypeSymbol, INamedTypeSymbol> walkSymbols = null,
Action <List <IPhasedTypeReader> > setupAllReaders = null)
{
var compilation = TestWorkspaceFactory.CompileCodeOrThrow(
csharpCode,
references: new[] {
this.GetType().Assembly.Location
});
var originSymbol = compilation.GetTypeByMetadataName(className);
var typeSymbol = walkSymbols?.Invoke(originSymbol) ?? originSymbol;
typeSymbol.ShouldNotBeNull($"Type symbol '{className}' could not be found in compilation.");
var modelBuilder = new CodeModelBuilder(compilation);
var allReaders = new List <IPhasedTypeReader>();
var discoveryVisitor = new TypeDiscoverySymbolVisitor(modelBuilder, allReaders);
var readerContext = new CodeReaderContext(modelBuilder.GetCodeModel(), null, LanguageInfo.Entries.CSharp());
compilation.GlobalNamespace.Accept(discoveryVisitor);
setupAllReaders?.Invoke(allReaders);
var reader = allReaders.OfType <ClassReader>().FirstOrDefault(r => r.TypeSymbol.Equals(typeSymbol));
reader.ShouldNotBeNull($"ClassReader for '{className}' was not registered.");
allReaders.ForEach(r => r.RegisterProxy());
return(reader, modelBuilder);
}
private IEnumerable <IPhasedTypeReader> VisitCode(string csharpCode)
{
var compilation = CompileCode(csharpCode);
var results = new List <IPhasedTypeReader>();
var visitor = new TypeDiscoverySymbolVisitor(new CodeModelBuilder(compilation), results);
compilation.GlobalNamespace.Accept(visitor);
return(results);
}
public void HowToUse()
{
// arrange
var compilation = CompileCode(@"
namespace NS1 {
class C1 { }
}
");
var modelBuilder = new CodeModelBuilder(compilation);
var discoveredTypeReaders = new List <IPhasedTypeReader>();
// act
var visitor = new TypeDiscoverySymbolVisitor(modelBuilder, discoveredTypeReaders);
compilation.GlobalNamespace.Accept(visitor);
// assert
var discoveredTypeNames = discoveredTypeReaders.Select(r => r.TypeSymbol.Name);
}