/// <summary>
/// Make a call site object equipped with an initial target method handle. </summary>
/// <param name="targetType"> the desired type of the call site </param>
/// <param name="createTargetHook"> a hook which will bind the call site to the target method handle </param>
/// <exception cref="WrongMethodTypeException"> if the hook cannot be invoked on the required arguments,
/// or if the target returned by the hook is not of the given {@code targetType} </exception>
/// <exception cref="NullPointerException"> if the hook returns a null value </exception>
/// <exception cref="ClassCastException"> if the hook returns something other than a {@code MethodHandle} </exception>
/// <exception cref="Throwable"> anything else thrown by the hook function </exception>
/*package-private*/
//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in .NET:
//ORIGINAL LINE: CallSite(MethodType targetType, MethodHandle createTargetHook) throws Throwable
internal CallSite(MethodType targetType, MethodHandle createTargetHook) : this(targetType)
{
ConstantCallSite selfCCS = (ConstantCallSite)this;
MethodHandle boundTarget = (MethodHandle)createTargetHook.InvokeWithArguments(selfCCS);
CheckTargetChange(this.Target_Renamed, boundTarget);
this.Target_Renamed = boundTarget;
}
/*non-public*/ internal virtual MethodHandle MakeDynamicInvoker()
{
MethodHandle getTarget = GET_TARGET.BindArgumentL(0, this);
MethodHandle invoker = MethodHandles.ExactInvoker(this.Type());
return(MethodHandles.FoldArguments(invoker, getTarget));
}
public static void Hook(this IntPtr targetPtr, MethodInfo patch)
{
unsafe
{
MelonUtils.NativeHookAttach(targetPtr, patch !.MethodHandle.GetFunctionPointer());
}
}
private StatusCode DispatchControllerMethod(
RequestContext context,
MethodHandle methodHandle,
IList <Variant> inputArguments,
List <StatusCode> inputArgumentResults,
List <Variant> outputArguments)
{
SystemFunction data = methodHandle.MethodData as SystemFunction;
if (data != null)
{
this.currentData = "CALL " + data.Function + inputArguments[0].ToString();
GenericEvent e = new GenericEvent(Server.FilterManager);
e.Initialize(
null,
ObjectTypeIds.SystemEventType,
ParsedNodeId.Construct(0, "Jemima", DefaultNamespaceIndex),
"Jemima",
EventSeverity.Medium,
"A Jemima is CALL."
);
//e.Set(e.ToPath(new QualifiedName("Jackey", DefaultNamespaceIndex)), currentData);
ReportEvent(e.SourceNode, e);
return(StatusCodes.Good);
}
return(StatusCodes.BadNotImplemented);
}
public RuntimeMethodHandle GetRuntimeMethodHandle(Type[] genericArgs)
{
Debug.Assert(genericArgs == null || genericArgs.Length > 0);
RuntimeTypeHandle[] genericArgHandles;
if (genericArgs != null)
{
genericArgHandles = new RuntimeTypeHandle[genericArgs.Length];
for (int i = 0; i < genericArgHandles.Length; i++)
{
genericArgHandles[i] = genericArgs[i].TypeHandle;
}
}
else
{
genericArgHandles = null;
}
TypeManagerHandle typeManager = TypeLoaderEnvironment.Instance.ModuleList.GetModuleForMetadataReader(Reader);
return(TypeLoaderEnvironment.Instance.GetRuntimeMethodHandleForComponents(
DeclaringType.TypeHandle,
Name,
RuntimeSignature.CreateFromMethodHandle(typeManager, MethodHandle.AsInt()),
genericArgHandles));
}
public static MethodHandle permuteArguments(MethodHandle target, MethodType newType, MethodType oldType, int[] permutationOrNull)
{
#if FIRST_PASS
return(null);
#else
// LAME why does OpenJDK name the parameter permutationOrNull while it is not allowed to be null?
if (permutationOrNull.Length != oldType.parameterCount())
{
throw new java.lang.IllegalArgumentException("wrong number of arguments in permutation");
}
MethodHandleUtil.DynamicMethodBuilder dm = new MethodHandleUtil.DynamicMethodBuilder("MethodHandleImpl.permuteArguments", newType, target);
for (int i = 0, argCount = newType.parameterCount(); i < permutationOrNull.Length; i++)
{
// make sure to only read each array element once, to avoid having to make a defensive copy of the array
int perm = permutationOrNull[i];
if (perm < 0 || perm >= argCount)
{
throw new java.lang.IllegalArgumentException("permutation argument out of range");
}
dm.Ldarg(perm);
dm.Convert(oldType.parameterType(i), newType.parameterType(perm), 0);
}
dm.CallTarget();
dm.Convert(oldType.returnType(), newType.returnType(), 0);
dm.Ret();
return(dm.CreateAdapter());
#endif
}
private RuntimeFatMethodParameterInfo(MethodBase member, MethodHandle methodHandle, int position, ParameterHandle parameterHandle, ReflectionDomain reflectionDomain, MetadataReader reader, Handle typeHandle, TypeContext typeContext)
: base(member, position, reflectionDomain, reader, typeHandle, typeContext)
{
_methodHandle = methodHandle;
_parameterHandle = parameterHandle;
_parameter = parameterHandle.GetParameter(reader);
}
// called from Lookup.revealDirect() (instead of MethodHandle.internalMemberName()) via map.xml replace-method-call
public static MemberName internalMemberName(MethodHandle mh)
{
#if FIRST_PASS
return(null);
#else
MemberName mn = mh.internalMemberName();
if (mn.isStatic() && mn.getName() == "<init>")
{
// HACK since we convert String constructors into static methods, we have to undo that here
// Note that the MemberName we return is only used for a security check and by InfoFromMemberName (a MethodHandleInfo implementation),
// so we don't need to make it actually invokable.
MemberName alt = new MemberName();
typeof(MemberName).GetField("clazz", BindingFlags.Instance | BindingFlags.NonPublic).SetValue(alt, mn.getDeclaringClass());
typeof(MemberName).GetField("name", BindingFlags.Instance | BindingFlags.NonPublic).SetValue(alt, mn.getName());
typeof(MemberName).GetField("type", BindingFlags.Instance | BindingFlags.NonPublic).SetValue(alt, mn.getMethodType().changeReturnType(typeof(void)));
int flags = mn._flags();
flags -= MethodHandleNatives.Constants.MN_IS_METHOD;
flags += MethodHandleNatives.Constants.MN_IS_CONSTRUCTOR;
flags &= ~(MethodHandleNatives.Constants.MN_REFERENCE_KIND_MASK << MethodHandleNatives.Constants.MN_REFERENCE_KIND_SHIFT);
flags |= MethodHandleNatives.Constants.REF_newInvokeSpecial << MethodHandleNatives.Constants.MN_REFERENCE_KIND_SHIFT;
flags &= ~MethodHandleNatives.Constants.ACC_STATIC;
alt._flags(flags);
return(alt);
}
return(mn);
#endif
}
#pragma warning disable 618 // obsolete warning reported when RowIds are used
private MethodDefTreatment GetMethodTreatmentFromCustomAttributes(MethodHandle methodDef)
{
MethodDefTreatment treatment = 0;
foreach (var caHandle in peFileReader.GetCustomAttributes(methodDef))
{
CustomAttribute ca = peFileReader.GetCustomAttribute(caHandle);
StringHandle namespaceHandle, nameHandle;
if (!ca.GetFullTypeName(out namespaceHandle, out nameHandle))
{
continue;
}
if (peFileReader.StringStream.CheckForText(namespaceHandle, "Windows.UI.Xaml"))
{
if (peFileReader.StringStream.CheckForText(nameHandle, "TreatAsPublicMethodAttribute"))
{
treatment |= MethodDefTreatment.MarkPublicFlag;
}
if (peFileReader.StringStream.CheckForText(nameHandle, "TreatAsAbstractMethodAttribute"))
{
treatment |= MethodDefTreatment.MarkAbstractFlag;
}
}
}
return(treatment);
}
public static MethodHandle makeSpreadArguments(MethodType newType, MethodHandle target, java.lang.Class spreadArgType, int spreadArgPos, int spreadArgCount)
{
#if FIRST_PASS
return(null);
#else
TypeWrapper twComponent = TypeWrapper.FromClass(spreadArgType).ElementTypeWrapper;
MethodHandleUtil.DynamicMethodBuilder dm = new MethodHandleUtil.DynamicMethodBuilder("AdapterMethodHandle.spreadArguments", newType, target);
for (int i = 0, count = newType.parameterCount(); i < count; i++)
{
if (i == spreadArgPos)
{
for (int j = 0; j < spreadArgCount; j++)
{
dm.Ldarg(i);
dm.LoadArrayElement(j, twComponent);
dm.Convert(twComponent.ClassObject, target.type().parameterType(i + j), 0);
}
}
else
{
dm.Ldarg(i);
}
}
dm.CallTarget();
dm.Ret();
return(dm.CreateAdapter());
#endif
}
private NativeFormatMethodParameterInfo(MethodBase member, MethodHandle methodHandle, int position, ParameterHandle parameterHandle, QSignatureTypeHandle qualifiedParameterTypeHandle, TypeContext typeContext)
: base(member, position, qualifiedParameterTypeHandle, typeContext)
{
_methodHandle = methodHandle;
_parameterHandle = parameterHandle;
_parameter = parameterHandle.GetParameter(Reader);
}
private bool GetAccessor(MethodSemanticsAttributes methodSemanticsAttribute, out MethodHandle methodHandle)
{
bool inherited = !_reflectedType.Equals(_contextTypeInfo);
foreach (MethodSemanticsHandle methodSemanticsHandle in _property.MethodSemantics)
{
MethodSemantics methodSemantics = methodSemanticsHandle.GetMethodSemantics(_reader);
if (methodSemantics.Attributes == methodSemanticsAttribute)
{
methodHandle = methodSemantics.Method;
if (inherited)
{
MethodAttributes flags = methodHandle.GetMethod(_reader).Flags;
if ((flags & MethodAttributes.MemberAccessMask) == MethodAttributes.Private)
{
continue;
}
}
return(true);
}
}
methodHandle = default(MethodHandle);
return(false);
}
/// <summary>
/// Constructs a new method declaration.
/// </summary>
/// <param name="handle">The method handle (may be an empty handle).</param>
/// <param name="returnType">The return type.</param>
/// <param name="flags">Custom method flags.</param>
public MethodDeclaration(
MethodHandle handle,
TypeNode returnType,
MethodFlags flags)
: this(handle, returnType, null, flags)
{
}
/// <summary>
/// Constructs a new method declaration with an implicit handle.
/// </summary>
/// <param name="name">The method name.</param>
/// <param name="returnType">The return type.</param>
/// <param name="flags">Custom method flags.</param>
public MethodDeclaration(
string name,
TypeNode returnType,
MethodFlags flags)
: this(MethodHandle.Create(name), returnType, flags)
{
}
/// <summary>
/// Constructs a new method declaration.
/// </summary>
/// <param name="handle">The method handle (may be an empty handle).</param>
/// <param name="returnType">The return type.</param>
/// <param name="source">The source method.</param>
public MethodDeclaration(
MethodHandle handle,
TypeNode returnType,
MethodBase source)
: this(handle, returnType, source, MethodFlags.None)
{
}
public CallRloStaticMethodInstruction(CodeLocationTag codeLocation, MethodHandle methodHandle, HighSsaRegister returnDest, HighSsaRegister[] parameters)
{
CodeLocation = codeLocation;
m_methodHandle = methodHandle;
m_returnDest = returnDest;
m_parameters = parameters;
}
private MemberInfo GetOrAddPropertyInfo(PropertyHandle handle)
{
if (this.properties == null)
{
properties = new Dictionary <PropertyHandle, MemberInfo>();
}
MemberInfo result = null;
if (!properties.TryGetValue(handle, out result))
{
var property = metadataReader.GetProperty(handle);
var propertyMethodHandles = property.GetAssociatedMethods();
TypeHandle declaringTypeHandle;
MethodHandle accessorMethod = propertyMethodHandles.Getter;
if (accessorMethod.IsNil)
{
accessorMethod = propertyMethodHandles.Setter;
}
declaringTypeHandle = metadataReader.GetDeclaringType(accessorMethod);
result = new MemberInfo(MemberKind.Property);
result.Token = this.metadataReader.GetToken(handle);
result.DeclaringTypeHandle = declaringTypeHandle;
result.Handle = handle;
properties.Add(handle, result);
}
return(result);
}
internal static RuntimeNamedMethodInfo GetRuntimeNamedMethodInfo(MethodHandle methodHandle, RuntimeNamedTypeInfo definingTypeInfo, RuntimeTypeInfo contextTypeInfo)
{
RuntimeNamedMethodInfo method = new RuntimeNamedMethodInfo(methodHandle, definingTypeInfo, contextTypeInfo);
method.WithDebugName();
return(method);
}
public MethodSignatureComparer(
QMethodDefinition methodHandle)
{
if (methodHandle.IsNativeFormatMetadataBased)
{
_metadataReader = methodHandle.NativeFormatReader;
_methodHandle = methodHandle.NativeFormatHandle;
_method = _methodHandle.GetMethod(_metadataReader);
_methodSignature = _method.Signature.GetMethodSignature(_metadataReader);
_isGeneric = (_methodSignature.GenericParameterCount != 0);
// Precalculate initial method attributes used in signature queries
_isStatic = (_method.Flags & MethodAttributes.Static) != 0;
}
else
{
_metadataReader = null;
_methodHandle = default(MethodHandle);
_method = default(Method);
_methodSignature = default(MethodSignature);
_isGeneric = false;
_isStatic = false;
}
}
private RuntimeFatMethodParameterInfo(MethodBase member, MethodHandle methodHandle, int position, ParameterHandle parameterHandle, MetadataReader reader, Handle typeHandle, TypeContext typeContext)
: base(member, position, reader, typeHandle, typeContext)
{
_methodHandle = methodHandle;
_parameterHandle = parameterHandle;
_parameter = parameterHandle.GetParameter(reader);
}
public void VisualizeMethodBody(MethodBodyBlock body, MethodHandle methodHandle, bool emitHeader = true)
{
StringBuilder builder = new StringBuilder();
// TODO: Inspect EncLog to find a containing type and display qualified name.
var method = GetMethod(methodHandle);
if (emitHeader)
{
builder.AppendFormat("Method {0} (0x{1:X8})", Literal(method.Name), MetadataTokens.GetToken(methodHandle));
builder.AppendLine();
}
// TODO: decode signature
if (!body.LocalSignature.IsNil)
{
var localSignature = GetLocalSignature(body.LocalSignature);
builder.AppendFormat(" Locals: {0}", Literal(localSignature));
builder.AppendLine();
}
ILVisualizerAsTokens.Instance.DumpMethod(
builder,
body.MaxStack,
body.GetILBytes(),
ImmutableArray.Create <ILVisualizer.LocalInfo>(), // TODO
ImmutableArray.Create <ILVisualizer.HandlerSpan>()); // TOOD: ILVisualizer.GetHandlerSpans(body.ExceptionRegions)
builder.AppendLine();
writer.Write(builder.ToString());
}
/**
* Emit an invoke for the given name.
*/
void emitInvoke(Name name)
{
//assert(!isLinkerMethodInvoke(name)); // should use the static path for these
if (true)
{
// push receiver
MethodHandle target = name.function._resolvedHandle();
//assert(target != null) : name.exprString();
//mv.visitLdcInsn(constantPlaceholder(target));
EmitConstant(target);
emitReferenceCast(CoreClasses.java.lang.invoke.MethodHandle.Wrapper.ClassObject, target);
}
else
{
// load receiver
//emitAloadInsn(0);
//emitReferenceCast(MethodHandle.class, null);
//mv.visitFieldInsn(Opcodes.GETFIELD, MH, "form", LF_SIG);
//mv.visitFieldInsn(Opcodes.GETFIELD, LF, "names", LFN_SIG);
// TODO more to come
}
// push arguments
emitPushArguments(name);
// invocation
MethodType type = name.function.methodType();
//mv.visitMethodInsn(Opcodes.INVOKEVIRTUAL, MH, "invokeBasic", type.basicType().toMethodDescriptorString(), false);
EmitInvokeBasic(type.basicType());
}
public static int AsInt(this MethodHandle methodHandle)
{
unsafe
{
return(*(int *)&methodHandle);
}
}
internal PEMethodSymbol(
PEModuleSymbol moduleSymbol,
PENamedTypeSymbol containingType,
MethodHandle methodDef)
{
Debug.Assert((object)moduleSymbol != null);
Debug.Assert((object)containingType != null);
Debug.Assert(!methodDef.IsNil);
this.handle = methodDef;
this.containingType = containingType;
MethodAttributes localflags = 0;
try
{
int rva;
moduleSymbol.Module.GetMethodDefPropsOrThrow(methodDef, out this.name, out this.implFlags, out localflags, out rva);
}
catch (BadImageFormatException)
{
if ((object)this.name == null)
{
this.name = String.Empty;
}
lazyUseSiteDiagnostic = new CSDiagnosticInfo(ErrorCode.ERR_BindToBogus, this);
}
this.flags = localflags;
}
//
// Retrieves the MethodBase for a given method handle. Helper to implement Delegate.GetMethodInfo()
//
public MethodBase GetMethod(RuntimeTypeHandle declaringTypeHandle, MethodHandle methodHandle, RuntimeTypeHandle[] genericMethodTypeArgumentHandles)
{
RuntimeTypeInfo contextTypeInfo = declaringTypeHandle.GetTypeForRuntimeTypeHandle();
RuntimeNamedTypeInfo definingTypeInfo = contextTypeInfo.AnchoringTypeDefinitionForDeclaredMembers;
MetadataReader reader = definingTypeInfo.Reader;
if (methodHandle.IsConstructor(reader))
{
return(RuntimePlainConstructorInfo.GetRuntimePlainConstructorInfo(methodHandle, definingTypeInfo, contextTypeInfo));
}
else
{
// RuntimeMethodHandles always yield methods whose ReflectedType is the DeclaringType.
RuntimeTypeInfo reflectedType = contextTypeInfo;
RuntimeNamedMethodInfo runtimeNamedMethodInfo = RuntimeNamedMethodInfo.GetRuntimeNamedMethodInfo(methodHandle, definingTypeInfo, contextTypeInfo, reflectedType);
if (!runtimeNamedMethodInfo.IsGenericMethod)
{
return(runtimeNamedMethodInfo);
}
else
{
RuntimeTypeInfo[] genericTypeArguments = new RuntimeTypeInfo[genericMethodTypeArgumentHandles.Length];
for (int i = 0; i < genericMethodTypeArgumentHandles.Length; i++)
{
genericTypeArguments[i] = genericMethodTypeArgumentHandles[i].GetTypeForRuntimeTypeHandle();
}
return(RuntimeConstructedGenericMethodInfo.GetRuntimeConstructedGenericMethodInfo(runtimeNamedMethodInfo, genericTypeArguments));
}
}
}
/// <summary>
/// Returns a method handle which always delegates either to the target or the fallback.
/// The method handle will delegate to the target exactly as long as the switch point is valid.
/// After that, it will permanently delegate to the fallback.
/// <para>
/// The target and fallback must be of exactly the same method type,
/// and the resulting combined method handle will also be of this type.
///
/// </para>
/// </summary>
/// <param name="target"> the method handle selected by the switch point as long as it is valid </param>
/// <param name="fallback"> the method handle selected by the switch point after it is invalidated </param>
/// <returns> a combined method handle which always calls either the target or fallback </returns>
/// <exception cref="NullPointerException"> if either argument is null </exception>
/// <exception cref="IllegalArgumentException"> if the two method types do not match </exception>
/// <seealso cref= MethodHandles#guardWithTest </seealso>
public virtual MethodHandle GuardWithTest(MethodHandle target, MethodHandle fallback)
{
if (Mcs.Target == K_false)
{
return(fallback); // already invalid
}
return(MethodHandles.GuardWithTest(McsInvoker, target, fallback));
}
public EventMember(EventInfo eventInfo)
: base(eventInfo)
{
this.EventHandlerType = eventInfo.EventHandlerType !.TypeHandle.GetTypeMember();
this.AddEventHandler = eventInfo.AddMethod !.MethodHandle.GetMethodMember(this.Type.Handle);
this.RaiseEvent = eventInfo.RaiseMethod?.MethodHandle.GetMethodMember(this.Type.Handle);
this.RemoveEventHandler = eventInfo.RemoveMethod !.MethodHandle.GetMethodMember(this.Type.Handle);
}
//
// methodHandle - the "tkMethodDef" that identifies the method.
// definingType - the "tkTypeDef" that defined the method (this is where you get the metadata reader that created methodHandle.)
// contextType - the type that supplies the type context (i.e. substitutions for generic parameters.) Though you
// get your raw information from "definingType", you report "contextType" as your DeclaringType property.
//
// For example:
//
// typeof(Foo<>).GetTypeInfo().DeclaredMembers
//
// The definingType and contextType are both Foo<>
//
// typeof(Foo<int,String>).GetTypeInfo().DeclaredMembers
//
// The definingType is "Foo<,>"
// The contextType is "Foo<int,String>"
//
// We don't report any DeclaredMembers for arrays or generic parameters so those don't apply.
//
public RuntimeMethodCommon(MethodHandle methodHandle, RuntimeNamedTypeInfo definingTypeInfo, RuntimeTypeInfo contextTypeInfo)
{
_definingTypeInfo = definingTypeInfo;
_methodHandle = methodHandle;
_contextTypeInfo = contextTypeInfo;
_reader = definingTypeInfo.Reader;
_method = methodHandle.GetMethod(_reader);
}
private static LambdaForm ChooseDelegatingForm(MethodHandle target)
{
if (target is SimpleMethodHandle)
{
return(target.InternalForm()); // no need for an indirection
}
return(MakeReinvokerForm(target, MethodTypeForm.LF_DELEGATE, typeof(DelegatingMethodHandle), NF_getTarget));
}
public static object invokeExact(MethodHandle thisObject, object[] args)
{
#if FIRST_PASS
return(null);
#else
return(IKVM.Runtime.ByteCodeHelper.GetDelegateForInvokeExact <IKVM.Runtime.MH <object[], object> >(thisObject)(args));
#endif
}
public static object invoke(MethodHandle thisObject, object[] args)
{
#if FIRST_PASS
return(null);
#else
return(thisObject.invokeWithArguments(args));
#endif
}
// TODO: Index by signature.
public bool TryGetMethod(string name, out MethodHandle handle)
{
if (this.methodDefs == null)
{
this.methodDefs = GetMethodDefs(this.reader, this.typeHandle);
}
return(this.methodDefs.TryGetValue(name, out handle));
}
//
// methodHandle - the "tkMethodDef" that identifies the method.
// definingType - the "tkTypeDef" that defined the method (this is where you get the metadata reader that created methodHandle.)
// contextType - the type that supplies the type context (i.e. substitutions for generic parameters.) Though you
// get your raw information from "definingType", you report "contextType" as your DeclaringType property.
//
// For example:
//
// typeof(Foo<>).GetTypeInfo().DeclaredMembers
//
// The definingType and contextType are both Foo<>
//
// typeof(Foo<int,String>).GetTypeInfo().DeclaredMembers
//
// The definingType is "Foo<,>"
// The contextType is "Foo<int,String>"
//
// We don't report any DeclaredMembers for arrays or generic parameters so those don't apply.
//
public NativeFormatMethodCommon(MethodHandle methodHandle, NativeFormatRuntimeNamedTypeInfo definingTypeInfo, RuntimeTypeInfo contextTypeInfo)
{
_definingTypeInfo = definingTypeInfo;
_methodHandle = methodHandle;
_contextTypeInfo = contextTypeInfo;
_reader = definingTypeInfo.Reader;
_method = methodHandle.GetMethod(_reader);
}
public CallRloInstanceMethodInstruction(CodeLocationTag codeLocation, MethodHandle methodHandle, HighSsaRegister returnDest, HighSsaRegister instanceSrc, HighSsaRegister[] parameters)
{
this.CodeLocation = codeLocation;
m_methodHandle = methodHandle;
m_instanceSrc = instanceSrc;
m_parameters = parameters;
m_returnDest = returnDest;
}
//
// Creates the appropriate flavor of Invoker depending on the calling convention "shape" (static, instance or virtual.)
//
internal static MethodInvoker CreateMethodInvoker(MetadataReader reader, RuntimeTypeHandle declaringTypeHandle, MethodHandle methodHandle, MethodInvokeInfo methodInvokeInfo)
{
Method method = methodHandle.GetMethod(reader);
MethodAttributes methodAttributes = method.Flags;
if (0 != (methodAttributes & MethodAttributes.Static))
return new StaticMethodInvoker(methodInvokeInfo);
else if (methodInvokeInfo.VirtualResolveData != IntPtr.Zero)
return new VirtualMethodInvoker(methodInvokeInfo, declaringTypeHandle);
else
return new InstanceMethodInvoker(methodInvokeInfo, declaringTypeHandle);
}
public NullableInstanceMethodInvoker(MetadataReader reader, MethodHandle methodHandle, RuntimeTypeHandle nullableTypeHandle, MethodInvokeInfo methodInvokeInfo)
{
_id = NullableMethodId.None;
_nullableTypeHandle = nullableTypeHandle;
Method method = methodHandle.GetMethod(reader);
if (MethodAttributes.Public == (method.Flags & MethodAttributes.MemberAccessMask))
{
// Note: Since we control the definition of Nullable<>, we're not checking signatures here.
String name = method.Name.GetConstantStringValue(reader).Value;
switch (name)
{
case "GetType":
_id = NullableMethodId.GetType;
break;
case "ToString":
_id = NullableMethodId.ToString;
break;
case "Equals":
_id = NullableMethodId.Equals;
break;
case "GetHashCode":
_id = NullableMethodId.GetHashCode;
break;
case ".ctor":
_id = NullableMethodId.Ctor;
break;
case "get_HasValue":
_id = NullableMethodId.get_HasValue;
break;
case "get_Value":
_id = NullableMethodId.get_Value;
break;
case "GetValueOrDefault":
IEnumerator<ParameterTypeSignatureHandle> parameters = method.Signature.GetMethodSignature(reader).Parameters.GetEnumerator();
if (parameters.MoveNext())
_id = NullableMethodId.GetValueOrDefault_1;
else
_id = NullableMethodId.GetValueOrDefault_0;
break;
default:
break;
}
}
}
/// <summary>
/// Returns true if the method should be imported. Returns false for private methods that are not
/// explicit interface implementations. For other methods, visibility and the value of
/// <paramref name="importOptions"/> are considered.
/// </summary>
public static bool ShouldImportMethod(this PEModule module, MethodHandle methodDef, MetadataImportOptions importOptions)
{
try
{
var flags = module.GetMethodDefFlagsOrThrow(methodDef);
// If the method is virtual, it must be accessible, although
// it may be an explicit (private) interface implementation.
// Otherwise, we need to check the accessibility.
if ((flags & MethodAttributes.Virtual) == 0)
{
switch (flags & MethodAttributes.MemberAccessMask)
{
case MethodAttributes.Private:
case MethodAttributes.PrivateScope:
if (importOptions != MetadataImportOptions.All)
{
return false;
}
break;
case MethodAttributes.Assembly:
if (importOptions == MetadataImportOptions.Public)
{
return false;
}
break;
}
}
}
catch (BadImageFormatException)
{ }
try
{
// As in the native C# compiler (see IMPORTER::ImportMethod), drop any method prefixed
// with "_VtblGap". They should be impossible to call/implement/etc.
// BREAK: The native VB compiler does not drop such methods, but it produces unverfiable
// code when they are called, so the break is acceptable.
// TODO: Keep some record of vtable gaps (DevDiv #17472).
var name = module.GetMethodDefNameOrThrow(methodDef);
return !name.StartsWith(VTableGapMethodNamePrefix, StringComparison.Ordinal);
}
catch (BadImageFormatException)
{
return true;
}
}
/// <summary>
/// Construct a comparer between NativeFormat metadata methods and native layouts
/// </summary>
/// <param name="metadataReader">Metadata reader for the method declaring type</param>
/// <param name="methodHandle">Handle of method to compare</param>
public MethodSignatureComparer(
MetadataReader metadataReader,
MethodHandle methodHandle)
{
_metadataReader = metadataReader;
_methodHandle = methodHandle;
_method = methodHandle.GetMethod(metadataReader);
_methodSignature = _method.Signature.GetMethodSignature(_metadataReader);
_isGeneric = (_methodSignature.GenericParameterCount != 0);
// Precalculate initial method attributes used in signature queries
_isStatic = (_method.Flags & MethodAttributes.Static) != 0;
}
public IntPtrConstructorMethodInvoker(MetadataReader reader, MethodHandle methodHandle)
{
// Since we control the definition of System.IntPtr, we only do enough analysis of the signature to disambiguate the constructors we support.
_id = IntPtrConstructorId.None;
Method method = methodHandle.GetMethod(reader);
ParameterTypeSignatureHandle[] parameterTypeSignatureHandles = method.Signature.GetMethodSignature(reader).Parameters.ToArray();
if (parameterTypeSignatureHandles.Length == 1)
{
ParameterTypeSignature parameterTypeSignature = parameterTypeSignatureHandles[0].GetParameterTypeSignature(reader);
// If any parameter is a pointer type, bail as we don't support Invokes on pointers.
if (parameterTypeSignature.Type.HandleType != HandleType.TypeDefinition)
throw new PlatformNotSupportedException(SR.PlatformNotSupported_PointerArguments);
TypeDefinition typeDefinition = parameterTypeSignature.Type.ToTypeDefinitionHandle(reader).GetTypeDefinition(reader);
String name = typeDefinition.Name.GetString(reader);
switch (name)
{
case "Int32":
_id = IntPtrConstructorId.Int32;
break;
case "Int64":
_id = IntPtrConstructorId.Int64;
break;
case "UInt32":
_id = IntPtrConstructorId.UInt32;
break;
case "UInt64":
_id = IntPtrConstructorId.UInt64;
break;
default:
break;
}
}
}
public StringConstructorMethodInvoker(MetadataReader reader, MethodHandle methodHandle)
{
// Since we control the definition of System.String, we only do enough analysis of the signature to disambiguate the constructors we support.
_id = StringConstructorId.None;
Method method = methodHandle.GetMethod(reader);
int parameterCount = 0;
foreach (ParameterTypeSignatureHandle parameterTypeSignatureHandle in method.Signature.GetMethodSignature(reader).Parameters)
{
ParameterTypeSignature parameterTypeSignature = parameterTypeSignatureHandle.GetParameterTypeSignature(reader);
// If any parameter is a pointer type, bail as we don't support Invokes on pointers.
if (parameterTypeSignature.Type.HandleType == HandleType.TypeSpecification)
{
TypeSpecification typeSpecification = parameterTypeSignature.Type.ToTypeSpecificationHandle(reader).GetTypeSpecification(reader);
if (typeSpecification.Signature.HandleType == HandleType.PointerSignature)
return;
}
parameterCount++;
}
switch (parameterCount)
{
case 1:
_id = StringConstructorId.CharArray;
break;
case 2:
_id = StringConstructorId.Char_Int;
break;
case 3:
_id = StringConstructorId.CharArray_Int_Int;
break;
default:
break;
}
}
private void WriteMethod(MethodHandle methodHandle)
{
int token = metadataReader.GetToken(methodHandle);
var symbolToken = new SymbolToken(token);
byte[] bytes = pdbReader.RawSymbolReader.GetCustomDebugInfo(token);
ISymbolMethod methodSymbol = pdbReader.SymbolReader.GetMethod(symbolToken);
if (bytes == null && methodSymbol == null)
{
// no debug info for the method
return;
}
writer.WriteStartElement("method");
WriteMethodAttributes(token, isReference: false);
if (bytes != null)
{
WriteCustomDebugInfo(bytes);
}
if (methodSymbol != null)
{
WriteSequencePoints(methodSymbol);
// TODO (tomat): Ideally this would be done in a separate test helper, not in PdbToXml.
// verify ISymUnmanagedMethod APIs:
ISymUnmanagedMethod rawMethod = pdbReader.RawSymbolReader.GetBaselineMethod(token);
var expectedSlotNames = new Dictionary<int, ImmutableArray<string>>();
WriteLocals(rawMethod, expectedSlotNames);
var actualSlotNames = rawMethod.GetLocalVariableSlots();
Debug.Assert(actualSlotNames.Length == (expectedSlotNames.Count == 0 ? 0 : expectedSlotNames.Keys.Max() + 1));
int i = 0;
foreach (var slotName in actualSlotNames)
{
if (slotName == null)
{
Debug.Assert(!expectedSlotNames.ContainsKey(i));
}
else
{
Debug.Assert(expectedSlotNames[i].Contains(slotName));
}
i++;
}
ImmutableArray<ISymUnmanagedScope> children = rawMethod.GetRootScope().GetScopes();
if (children.Length != 0)
{
WriteScopes(children[0]);
}
WriteAsyncInfo(methodSymbol as ISymbolAsyncMethod);
}
writer.WriteEndElement(); // method
}
public VolatileCallSite(MethodHandle arg0)
: base(ProxyCtor.I)
{
Instance.CallConstructor("(Ljava/lang/invoke/MethodHandle;)V", arg0);
}
public abstract IEnumerable<CustomAttributeData> GetPsuedoCustomAttributes(MetadataReader reader, ParameterHandle parameterHandle, MethodHandle declaringMethodHandle);
internal PEMethodSymbol(
PEModuleSymbol moduleSymbol,
PENamedTypeSymbol containingType,
MethodHandle methodDef)
{
Debug.Assert((object)moduleSymbol != null);
Debug.Assert((object)containingType != null);
Debug.Assert(!methodDef.IsNil);
this.handle = methodDef;
this.containingType = containingType;
MethodAttributes localflags = 0;
try
{
int rva;
moduleSymbol.Module.GetMethodDefPropsOrThrow(methodDef, out this.name, out this.implFlags, out localflags, out rva);
}
catch (BadImageFormatException)
{
if ((object)this.name == null)
{
this.name = String.Empty;
}
lazyUseSiteDiagnostic = new CSDiagnosticInfo(ErrorCode.ERR_BindToBogus, this);
}
this.flags = localflags;
}
/// <summary>
/// Dispatches the method.
/// </summary>
/// <param name="context">The context.</param>
/// <param name="methodHandle">The method handle.</param>
/// <param name="inputArguments">The input arguments.</param>
/// <param name="inputArgumentResults">The input argument results.</param>
/// <param name="outputArguments">The output arguments.</param>
/// <returns></returns>
public virtual StatusCode DispatchMethod(
RequestContext context,
MethodHandle methodHandle,
IList<Variant> inputArguments,
List<StatusCode> inputArgumentResults,
List<Variant> outputArguments)
{
IWeatherStationMethods implemention = WeatherStationMethods;
if (implemention == null)
{
implemention = this as IWeatherStationMethods;
}
if (implemention == null)
{
return StatusCodes.BadUserAccessDenied;
}
if (methodHandle.MethodDeclarationId.Equals(new ExpandedNodeId(OPCServer.Methods.WeatherStationType_getConditions, OPCServer.Namespaces.OPCServer).ToNodeId(context.NamespaceUris)))
{
StatusCode ret = implemention.getConditions(context, this);
if (ret.IsGood())
{
}
return ret;
}
if (methodHandle.MethodDeclarationId.Equals(new ExpandedNodeId(OPCServer.Methods.WeatherStationType_getForecast, OPCServer.Namespaces.OPCServer).ToNodeId(context.NamespaceUris)))
{
StatusCode ret = implemention.getForecast(context, this);
if (ret.IsGood())
{
}
return ret;
}
return StatusCodes.BadMethodInvalid;
}
private bool GetAccessor(MethodSemanticsAttributes methodSemanticsAttribute, out MethodHandle methodHandle)
{
foreach (MethodSemanticsHandle methodSemanticsHandle in _property.MethodSemantics)
{
MethodSemantics methodSemantics = methodSemanticsHandle.GetMethodSemantics(_reader);
if (methodSemantics.Attributes == methodSemanticsAttribute)
{
methodHandle = methodSemantics.Method;
return true;
}
}
methodHandle = default(MethodHandle);
return false;
}
public void setTarget(MethodHandle arg0)
{
Instance.CallMethod("setTarget", "(Ljava/lang/invoke/MethodHandle;)V", arg0);
}
//==============================================================================================
// Non-public methods
//==============================================================================================
internal MethodInvoker GetMethodInvoker(MetadataReader reader, RuntimeType declaringType, MethodHandle methodHandle, RuntimeType[] genericMethodTypeArguments, MemberInfo exceptionPertainant)
{
if (declaringType.InternalIsOpen)
return new OpenMethodInvoker();
for (int i = 0; i < genericMethodTypeArguments.Length; i++)
{
if (genericMethodTypeArguments[i].InternalIsOpen)
return new OpenMethodInvoker();
}
RuntimeTypeHandle typeDefinitionHandle = declaringType.TypeHandle;
RuntimeTypeHandle[] genericMethodTypeArgumentHandles = new RuntimeTypeHandle[genericMethodTypeArguments.Length];
for (int i = 0; i < genericMethodTypeArguments.Length; i++)
{
genericMethodTypeArgumentHandles[i] = genericMethodTypeArguments[i].TypeHandle;
}
MethodInvoker methodInvoker = TryGetMethodInvoker(reader, typeDefinitionHandle, methodHandle, genericMethodTypeArgumentHandles);
if (methodInvoker == null)
throw declaringType.GetReflectionDomain().CreateNonInvokabilityException(exceptionPertainant);
return methodInvoker;
}
public abstract IEnumerable<CustomAttributeData> GetPsuedoCustomAttributes(MetadataReader reader, MethodHandle methodHandle, TypeDefinitionHandle declaringTypeHandle);
private void WriteResolvedToken(MethodHandle methodHandle, bool isReference)
{
var method = metadataReader.GetMethod(methodHandle);
// type name
var containingTypeHandle = metadataReader.GetDeclaringType(methodHandle);
var fullName = GetFullTypeName(metadataReader, containingTypeHandle);
if (fullName != null)
{
writer.WriteAttributeString(isReference ? "declaringType" : "containingType", fullName);
}
// method name
writer.WriteAttributeString(isReference ? "methodName" : "name", metadataReader.GetString(method.Name));
// parameters:
var parameterNames = from paramHandle in method.GetParameters()
let parameter = metadataReader.GetParameter(paramHandle)
where parameter.SequenceNumber > 0 // exclude return parameter
select parameter.Name.IsNil ? "?" : metadataReader.GetString(parameter.Name);
writer.WriteAttributeString("parameterNames", string.Join(", ", parameterNames));
}
private static string GetQualifiedMethodName(MetadataReader metadataReader, MethodHandle methodHandle)
{
var method = metadataReader.GetMethod(methodHandle);
var containingTypeHandle = metadataReader.GetDeclaringType(methodHandle);
string fullTypeName = GetFullTypeName(metadataReader, containingTypeHandle);
string methodName = metadataReader.GetString(method.Name);
return fullTypeName != null ? fullTypeName + "." + methodName : methodName;
}
public sealed override IEnumerable<CustomAttributeData> GetPsuedoCustomAttributes(MetadataReader reader, ParameterHandle parameterHandle, MethodHandle declaringMethodHandle)
{
ParameterAttributes attributes = parameterHandle.GetParameter(reader).Flags;
if (0 != (attributes & ParameterAttributes.In))
yield return ReflectionCoreExecution.ExecutionDomain.GetCustomAttributeData(typeof(InAttribute), null, null);
if (0 != (attributes & ParameterAttributes.Out))
yield return ReflectionCoreExecution.ExecutionDomain.GetCustomAttributeData(typeof(OutAttribute), null, null);
if (0 != (attributes & ParameterAttributes.Optional))
yield return ReflectionCoreExecution.ExecutionDomain.GetCustomAttributeData(typeof(OptionalAttribute), null, null);
}
internal abstract bool TryGetMethodHandle(IMethodDefinition def, out MethodHandle handle);
public sealed override IEnumerable<CustomAttributeData> GetPsuedoCustomAttributes(MetadataReader reader, MethodHandle methodHandle, TypeDefinitionHandle declaringTypeHandle)
{
MethodImplAttributes implAttributes = methodHandle.GetMethod(reader).ImplFlags;
if (0 != (implAttributes & MethodImplAttributes.PreserveSig))
yield return ReflectionCoreExecution.ExecutionDomain.GetCustomAttributeData(typeof(PreserveSigAttribute), null, null);
}
//
// Retrieves the MethodBase for a given method handle. Helper to implement Delegate.GetMethodInfo()
//
public MethodBase GetMethod(RuntimeTypeHandle declaringTypeHandle, MethodHandle methodHandle, RuntimeTypeHandle[] genericMethodTypeArgumentHandles)
{
RuntimeType declaringType = ReflectionCoreNonPortable.GetTypeForRuntimeTypeHandle(declaringTypeHandle);
RuntimeTypeInfo contextTypeInfo = declaringType.GetRuntimeTypeInfo();
RuntimeNamedTypeInfo definingTypeInfo = contextTypeInfo.AnchoringTypeDefinitionForDeclaredMembers;
MetadataReader reader = definingTypeInfo.Reader;
if (methodHandle.IsConstructor(reader))
{
return RuntimePlainConstructorInfo.GetRuntimePlainConstructorInfo(methodHandle, definingTypeInfo, contextTypeInfo);
}
else
{
RuntimeNamedMethodInfo runtimeNamedMethodInfo = RuntimeNamedMethodInfo.GetRuntimeNamedMethodInfo(methodHandle, definingTypeInfo, contextTypeInfo);
if (!runtimeNamedMethodInfo.IsGenericMethod)
{
return runtimeNamedMethodInfo;
}
else
{
RuntimeType[] genericTypeArguments = new RuntimeType[genericMethodTypeArgumentHandles.Length];
for (int i = 0; i < genericMethodTypeArgumentHandles.Length; i++)
{
genericTypeArguments[i] = ReflectionCoreNonPortable.GetTypeForRuntimeTypeHandle(genericMethodTypeArgumentHandles[i]);
}
return RuntimeConstructedGenericMethodInfo.GetRuntimeConstructedGenericMethodInfo(runtimeNamedMethodInfo, genericTypeArguments);
}
}
}
private bool TryGetMethodHandle(EmitBaseline baseline, Cci.IMethodDefinition def, out MethodHandle handle)
{
if (this.TryGetMethodHandle(def, out handle))
{
return true;
}
def = (Cci.IMethodDefinition)this.mapToPrevious.MapDefinition(def);
if (def != null)
{
uint methodIndex;
if (baseline.MethodsAdded.TryGetValue(def, out methodIndex))
{
handle = MetadataTokens.MethodHandle((int)methodIndex);
return true;
}
}
handle = default(MethodHandle);
return false;
}
//
// methodHandle - the "tkMethodDef" that identifies the method.
// definingType - the "tkTypeDef" that defined the method (this is where you get the metadata reader that created methodHandle.)
// contextType - the type that supplies the type context (i.e. substitutions for generic parameters.) Though you
// get your raw information from "definingType", you report "contextType" as your DeclaringType property.
//
// For example:
//
// typeof(Foo<>).GetTypeInfo().DeclaredMembers
//
// The definingType and contextType are both Foo<>
//
// typeof(Foo<int,String>).GetTypeInfo().DeclaredMembers
//
// The definingType is "Foo<,>"
// The contextType is "Foo<int,String>"
//
// We don't report any DeclaredMembers for arrays or generic parameters so those don't apply.
//
private RuntimePlainConstructorInfo(MethodHandle methodHandle, RuntimeNamedTypeInfo definingTypeInfo, RuntimeTypeInfo contextTypeInfo)
{
_common = new RuntimeMethodCommon(methodHandle, definingTypeInfo, contextTypeInfo);
}
internal override bool TryGetMethodHandle(Cci.IMethodDefinition def, out MethodHandle handle)
{
var other = this.mapToMetadata.MapDefinition(def) as PEMethodSymbol;
if ((object)other != null)
{
handle = other.Handle;
return true;
}
else
{
handle = default(MethodHandle);
return false;
}
}
//============================================================================================== // Invoke and field access support. //============================================================================================== public abstract MethodInvoker TryGetMethodInvoker(MetadataReader reader, RuntimeTypeHandle declaringTypeHandle, MethodHandle methodHandle, RuntimeTypeHandle[] genericMethodTypeArgumentHandles);
public abstract bool TryGetMethodFromHandleAndType(RuntimeMethodHandle runtimeMethodHandle, RuntimeTypeHandle declaringTypeHandle, out MethodHandle methodHandle, out RuntimeTypeHandle[] genericMethodTypeArgumentHandles);