public void AddCompilationRoots(IRootingServiceProvider rootProvider)
{
TypeDesc owningType = _module.GetGlobalModuleType();
NativeLibraryStartupMethod nativeLibStartupCode = new NativeLibraryStartupMethod(owningType, _libraryInitializers);
rootProvider.AddCompilationRoot(nativeLibStartupCode, "Startup Code Main Method", ManagedEntryPointMethodName);
}
public int CompareTo(PInvokeModuleData other, CompilerComparer comparer)
{
int result = StringComparer.Ordinal.Compare(ModuleName, other.ModuleName);
if (result != 0)
{
return(result);
}
result = comparer.Compare(DeclaringModule.GetGlobalModuleType(),
other.DeclaringModule.GetGlobalModuleType());
if (result != 0)
{
return(result);
}
return(Nullable.Compare(DllImportSearchPath, other.DllImportSearchPath));
}
internal static void AddDependenciesDueToModuleUse(ref DependencyList dependencyList, NodeFactory factory, ModuleDesc module)
{
dependencyList ??= new DependencyList();
if (module.GetGlobalModuleType().GetStaticConstructor() is MethodDesc moduleCctor)
{
dependencyList.Add(factory.MethodEntrypoint(moduleCctor), "Module with a static constructor");
}
factory.MetadataManager.GetDependenciesDueToModuleUse(ref dependencyList, factory, module);
}
public override IEnumerable <DependencyListEntry> GetStaticDependencies(NodeFactory factory)
{
DependencyList dependencies = new DependencyList();
// Global module type always generates metadata because it's really convenient to
// have something in an assembly that always generates metadata.
dependencies.Add(factory.TypeMetadata(_module.GetGlobalModuleType()), "Global module type");
CustomAttributeBasedDependencyAlgorithm.AddDependenciesDueToCustomAttributes(ref dependencies, factory, (EcmaAssembly)_module);
return(dependencies);
}
public void RootModuleMetadata(ModuleDesc module, string reason)
{
// RootModuleMetadata is kind of a hack - this is pretty much only used to force include
// type forwarders from assemblies metadata generator would normally not look at.
// This will go away when the temporary RD.XML parser goes away.
if (_factory.MetadataManager is UsageBasedMetadataManager mdManager)
{
// If we wouldn't generate metadata for the global module type, don't root the metadata at all.
// Global module type always gets metadata and if we're not generating it, this is not the right
// compilation unit (we're likely doing multifile).
if (mdManager.CanGenerateMetadata(module.GetGlobalModuleType()))
{
_rootAdder(_factory.ModuleMetadata(module), reason);
}
}
}
/// <summary>
/// Gets a stub that can be used to reflection-invoke a method with a given signature.
/// </summary>
public sealed override MethodDesc GetCanonicalReflectionInvokeStub(MethodDesc method)
{
TypeSystemContext context = method.Context;
var sig = method.Signature;
// Get a generic method that can be used to invoke method with this shape.
MethodDesc thunk;
var lookupSig = new DynamicInvokeMethodSignature(sig);
if (!_dynamicInvokeThunks.TryGetValue(lookupSig, out thunk))
{
thunk = new DynamicInvokeMethodThunk(_generatedAssembly.GetGlobalModuleType(), lookupSig);
_dynamicInvokeThunks.Add(lookupSig, thunk);
}
return(InstantiateCanonicalDynamicInvokeMethodForMethod(thunk, method));
}
public override MethodIL EmitIL()
{
ILEmitter emitter = new ILEmitter();
ILCodeStream codeStream = emitter.NewCodeStream();
codeStream.MarkDebuggerStepThroughPoint();
// Allow the class library to run explicitly ordered class constructors first thing in start-up.
if (_libraryInitializers != null)
{
foreach (MethodDesc method in _libraryInitializers)
{
codeStream.Emit(ILOpcode.call, emitter.NewToken(method));
}
}
MetadataType startup = Context.GetHelperType("StartupCodeHelpers");
// Initialize command line args if the class library supports this
string initArgsName = (Context.Target.OperatingSystem == TargetOS.Windows)
? "InitializeCommandLineArgsW"
: "InitializeCommandLineArgs";
MethodDesc initArgs = startup.GetMethod(initArgsName, null);
if (initArgs != null)
{
codeStream.Emit(ILOpcode.ldarg_0); // argc
codeStream.Emit(ILOpcode.ldarg_1); // argv
codeStream.Emit(ILOpcode.call, emitter.NewToken(initArgs));
}
// Initialize the entrypoint assembly if the class library supports this
MethodDesc initEntryAssembly = startup.GetMethod("InitializeEntryAssembly", null);
if (initEntryAssembly != null)
{
ModuleDesc entrypointModule = ((MetadataType)_mainMethod.WrappedMethod.OwningType).Module;
codeStream.Emit(ILOpcode.ldtoken, emitter.NewToken(entrypointModule.GetGlobalModuleType()));
codeStream.Emit(ILOpcode.call, emitter.NewToken(initEntryAssembly));
}
// Call program Main
if (_mainMethod.Signature.Length > 0)
{
// TODO: better exception
if (initArgs == null)
{
throw new Exception("Main() has parameters, but the class library doesn't support them");
}
codeStream.Emit(ILOpcode.call, emitter.NewToken(startup.GetKnownMethod("GetMainMethodArguments", null)));
}
codeStream.MarkDebuggerStepInPoint();
codeStream.Emit(ILOpcode.call, emitter.NewToken(_mainMethod));
MethodDesc setLatchedExitCode = startup.GetMethod("SetLatchedExitCode", null);
MethodDesc shutdown = startup.GetMethod("Shutdown", null);
// The class library either supports "advanced shutdown", or doesn't. No half-implementations allowed.
Debug.Assert((setLatchedExitCode != null) == (shutdown != null));
if (setLatchedExitCode != null)
{
// If the main method has a return value, save it
if (!_mainMethod.Signature.ReturnType.IsVoid)
{
codeStream.Emit(ILOpcode.call, emitter.NewToken(setLatchedExitCode));
}
// Ask the class library to shut down and return exit code.
codeStream.Emit(ILOpcode.call, emitter.NewToken(shutdown));
}
else
{
// This is a class library that doesn't have SetLatchedExitCode/Shutdown.
// If the main method returns void, we simply use 0 exit code.
if (_mainMethod.Signature.ReturnType.IsVoid)
{
codeStream.EmitLdc(0);
}
}
codeStream.Emit(ILOpcode.ret);
return(emitter.Link(this));
}
public void TestModuleType()
{
Assert.True(_testModule.GetGlobalModuleType().IsModuleType);
}