diff options
Diffstat (limited to 'src/mscorlib/src/System/Reflection/RuntimeModule.cs')
| -rw-r--r-- | src/mscorlib/src/System/Reflection/RuntimeModule.cs | 602 |
1 files changed, 602 insertions, 0 deletions
diff --git a/src/mscorlib/src/System/Reflection/RuntimeModule.cs b/src/mscorlib/src/System/Reflection/RuntimeModule.cs new file mode 100644 index 0000000000..75809cba01 --- /dev/null +++ b/src/mscorlib/src/System/Reflection/RuntimeModule.cs @@ -0,0 +1,602 @@ +// Licensed to the .NET Foundation under one or more agreements. +// The .NET Foundation licenses this file to you under the MIT license. +// See the LICENSE file in the project root for more information. + +using System.Runtime.InteropServices; +using System.Runtime.Serialization; +using System.Collections.Generic; +using System.Runtime.CompilerServices; +using System.Security; +using System.Globalization; +using System.Diagnostics.Contracts; + +namespace System.Reflection +{ + [Serializable] + internal class RuntimeModule : Module + { + internal RuntimeModule() { throw new NotSupportedException(); } + + #region FCalls + [DllImport(JitHelpers.QCall, CharSet = CharSet.Unicode)] + [SuppressUnmanagedCodeSecurity] + private extern static void GetType(RuntimeModule module, String className, bool throwOnError, bool ignoreCase, ObjectHandleOnStack type, ObjectHandleOnStack keepAlive); + + [DllImport(JitHelpers.QCall)] + [SuppressUnmanagedCodeSecurity] + private static extern bool nIsTransientInternal(RuntimeModule module); + + [DllImport(JitHelpers.QCall, CharSet = CharSet.Unicode)] + [SuppressUnmanagedCodeSecurity] + private extern static void GetScopeName(RuntimeModule module, StringHandleOnStack retString); + + [DllImport(JitHelpers.QCall, CharSet = CharSet.Unicode)] + [SuppressUnmanagedCodeSecurity] + private extern static void GetFullyQualifiedName(RuntimeModule module, StringHandleOnStack retString); + + [MethodImplAttribute(MethodImplOptions.InternalCall)] + private extern static RuntimeType[] GetTypes(RuntimeModule module); + + internal RuntimeType[] GetDefinedTypes() + { + return GetTypes(GetNativeHandle()); + } + + [MethodImplAttribute(MethodImplOptions.InternalCall)] + private extern static bool IsResource(RuntimeModule module); + #endregion + + #region Module overrides + private static RuntimeTypeHandle[] ConvertToTypeHandleArray(Type[] genericArguments) + { + if (genericArguments == null) + return null; + + int size = genericArguments.Length; + RuntimeTypeHandle[] typeHandleArgs = new RuntimeTypeHandle[size]; + for (int i = 0; i < size; i++) + { + Type typeArg = genericArguments[i]; + if (typeArg == null) + throw new ArgumentException(SR.Argument_InvalidGenericInstArray); + typeArg = typeArg.UnderlyingSystemType; + if (typeArg == null) + throw new ArgumentException(SR.Argument_InvalidGenericInstArray); + if (!(typeArg is RuntimeType)) + throw new ArgumentException(SR.Argument_InvalidGenericInstArray); + typeHandleArgs[i] = typeArg.GetTypeHandleInternal(); + } + return typeHandleArgs; + } + + public override byte[] ResolveSignature(int metadataToken) + { + MetadataToken tk = new MetadataToken(metadataToken); + + if (!MetadataImport.IsValidToken(tk)) + throw new ArgumentOutOfRangeException(nameof(metadataToken), + SR.Format(SR.Argument_InvalidToken, tk, this)); + + if (!tk.IsMemberRef && !tk.IsMethodDef && !tk.IsTypeSpec && !tk.IsSignature && !tk.IsFieldDef) + throw new ArgumentException(SR.Format(SR.Argument_InvalidToken, tk, this), + nameof(metadataToken)); + + ConstArray signature; + if (tk.IsMemberRef) + signature = MetadataImport.GetMemberRefProps(metadataToken); + else + signature = MetadataImport.GetSignatureFromToken(metadataToken); + + byte[] sig = new byte[signature.Length]; + + for (int i = 0; i < signature.Length; i++) + sig[i] = signature[i]; + + return sig; + } + + public override MethodBase ResolveMethod(int metadataToken, Type[] genericTypeArguments, Type[] genericMethodArguments) + { + MetadataToken tk = new MetadataToken(metadataToken); + + if (!MetadataImport.IsValidToken(tk)) + throw new ArgumentOutOfRangeException(nameof(metadataToken), + SR.Format(SR.Argument_InvalidToken, tk, this)); + + RuntimeTypeHandle[] typeArgs = ConvertToTypeHandleArray(genericTypeArguments); + RuntimeTypeHandle[] methodArgs = ConvertToTypeHandleArray(genericMethodArguments); + + try + { + if (!tk.IsMethodDef && !tk.IsMethodSpec) + { + if (!tk.IsMemberRef) + throw new ArgumentException(SR.Format(SR.Argument_ResolveMethod, tk, this), + nameof(metadataToken)); + + unsafe + { + ConstArray sig = MetadataImport.GetMemberRefProps(tk); + + if (*(MdSigCallingConvention*)sig.Signature.ToPointer() == MdSigCallingConvention.Field) + throw new ArgumentException(SR.Format(SR.Argument_ResolveMethod, tk, this), + nameof(metadataToken)); + } + } + + IRuntimeMethodInfo methodHandle = ModuleHandle.ResolveMethodHandleInternal(GetNativeHandle(), tk, typeArgs, methodArgs); + Type declaringType = RuntimeMethodHandle.GetDeclaringType(methodHandle); + + if (declaringType.IsGenericType || declaringType.IsArray) + { + MetadataToken tkDeclaringType = new MetadataToken(MetadataImport.GetParentToken(tk)); + + if (tk.IsMethodSpec) + tkDeclaringType = new MetadataToken(MetadataImport.GetParentToken(tkDeclaringType)); + + declaringType = ResolveType(tkDeclaringType, genericTypeArguments, genericMethodArguments); + } + + return System.RuntimeType.GetMethodBase(declaringType as RuntimeType, methodHandle); + } + catch (BadImageFormatException e) + { + throw new ArgumentException(SR.Argument_BadImageFormatExceptionResolve, e); + } + } + + private FieldInfo ResolveLiteralField(int metadataToken, Type[] genericTypeArguments, Type[] genericMethodArguments) + { + MetadataToken tk = new MetadataToken(metadataToken); + + if (!MetadataImport.IsValidToken(tk) || !tk.IsFieldDef) + throw new ArgumentOutOfRangeException(nameof(metadataToken), + String.Format(CultureInfo.CurrentUICulture, SR.Format(SR.Argument_InvalidToken, tk, this))); + + int tkDeclaringType; + string fieldName; + + fieldName = MetadataImport.GetName(tk).ToString(); + tkDeclaringType = MetadataImport.GetParentToken(tk); + + Type declaringType = ResolveType(tkDeclaringType, genericTypeArguments, genericMethodArguments); + + declaringType.GetFields(); + + try + { + return declaringType.GetField(fieldName, + BindingFlags.Static | BindingFlags.Instance | + BindingFlags.Public | BindingFlags.NonPublic | + BindingFlags.DeclaredOnly); + } + catch + { + throw new ArgumentException(SR.Format(SR.Argument_ResolveField, tk, this), nameof(metadataToken)); + } + } + + public override FieldInfo ResolveField(int metadataToken, Type[] genericTypeArguments, Type[] genericMethodArguments) + { + MetadataToken tk = new MetadataToken(metadataToken); + + if (!MetadataImport.IsValidToken(tk)) + throw new ArgumentOutOfRangeException(nameof(metadataToken), + SR.Format(SR.Argument_InvalidToken, tk, this)); + + RuntimeTypeHandle[] typeArgs = ConvertToTypeHandleArray(genericTypeArguments); + RuntimeTypeHandle[] methodArgs = ConvertToTypeHandleArray(genericMethodArguments); + + try + { + IRuntimeFieldInfo fieldHandle = null; + + if (!tk.IsFieldDef) + { + if (!tk.IsMemberRef) + throw new ArgumentException(SR.Format(SR.Argument_ResolveField, tk, this), + nameof(metadataToken)); + + unsafe + { + ConstArray sig = MetadataImport.GetMemberRefProps(tk); + + if (*(MdSigCallingConvention*)sig.Signature.ToPointer() != MdSigCallingConvention.Field) + throw new ArgumentException(SR.Format(SR.Argument_ResolveField, tk, this), + nameof(metadataToken)); + } + + fieldHandle = ModuleHandle.ResolveFieldHandleInternal(GetNativeHandle(), tk, typeArgs, methodArgs); + } + + fieldHandle = ModuleHandle.ResolveFieldHandleInternal(GetNativeHandle(), metadataToken, typeArgs, methodArgs); + RuntimeType declaringType = RuntimeFieldHandle.GetApproxDeclaringType(fieldHandle.Value); + + if (declaringType.IsGenericType || declaringType.IsArray) + { + int tkDeclaringType = ModuleHandle.GetMetadataImport(GetNativeHandle()).GetParentToken(metadataToken); + declaringType = (RuntimeType)ResolveType(tkDeclaringType, genericTypeArguments, genericMethodArguments); + } + + return System.RuntimeType.GetFieldInfo(declaringType, fieldHandle); + } + catch (MissingFieldException) + { + return ResolveLiteralField(tk, genericTypeArguments, genericMethodArguments); + } + catch (BadImageFormatException e) + { + throw new ArgumentException(SR.Argument_BadImageFormatExceptionResolve, e); + } + } + + public override Type ResolveType(int metadataToken, Type[] genericTypeArguments, Type[] genericMethodArguments) + { + MetadataToken tk = new MetadataToken(metadataToken); + + if (tk.IsGlobalTypeDefToken) + throw new ArgumentException(SR.Format(SR.Argument_ResolveModuleType, tk), nameof(metadataToken)); + + if (!MetadataImport.IsValidToken(tk)) + throw new ArgumentOutOfRangeException(nameof(metadataToken), + SR.Format(SR.Argument_InvalidToken, tk, this)); + + if (!tk.IsTypeDef && !tk.IsTypeSpec && !tk.IsTypeRef) + throw new ArgumentException(SR.Format(SR.Argument_ResolveType, tk, this), nameof(metadataToken)); + + RuntimeTypeHandle[] typeArgs = ConvertToTypeHandleArray(genericTypeArguments); + RuntimeTypeHandle[] methodArgs = ConvertToTypeHandleArray(genericMethodArguments); + + try + { + Type t = GetModuleHandleImpl().ResolveTypeHandle(metadataToken, typeArgs, methodArgs).GetRuntimeType(); + + if (t == null) + throw new ArgumentException(SR.Format(SR.Argument_ResolveType, tk, this), nameof(metadataToken)); + + return t; + } + catch (BadImageFormatException e) + { + throw new ArgumentException(SR.Argument_BadImageFormatExceptionResolve, e); + } + } + + public override MemberInfo ResolveMember(int metadataToken, Type[] genericTypeArguments, Type[] genericMethodArguments) + { + MetadataToken tk = new MetadataToken(metadataToken); + + if (tk.IsProperty) + throw new ArgumentException(SR.InvalidOperation_PropertyInfoNotAvailable); + + if (tk.IsEvent) + throw new ArgumentException(SR.InvalidOperation_EventInfoNotAvailable); + + if (tk.IsMethodSpec || tk.IsMethodDef) + return ResolveMethod(metadataToken, genericTypeArguments, genericMethodArguments); + + if (tk.IsFieldDef) + return ResolveField(metadataToken, genericTypeArguments, genericMethodArguments); + + if (tk.IsTypeRef || tk.IsTypeDef || tk.IsTypeSpec) + return ResolveType(metadataToken, genericTypeArguments, genericMethodArguments); + + if (tk.IsMemberRef) + { + if (!MetadataImport.IsValidToken(tk)) + throw new ArgumentOutOfRangeException(nameof(metadataToken), + SR.Format(SR.Argument_InvalidToken, tk, this)); + + ConstArray sig = MetadataImport.GetMemberRefProps(tk); + + unsafe + { + if (*(MdSigCallingConvention*)sig.Signature.ToPointer() == MdSigCallingConvention.Field) + { + return ResolveField(tk, genericTypeArguments, genericMethodArguments); + } + else + { + return ResolveMethod(tk, genericTypeArguments, genericMethodArguments); + } + } + } + + throw new ArgumentException(SR.Format(SR.Argument_ResolveMember, tk, this), + nameof(metadataToken)); + } + + public override string ResolveString(int metadataToken) + { + MetadataToken tk = new MetadataToken(metadataToken); + if (!tk.IsString) + throw new ArgumentException( + String.Format(CultureInfo.CurrentUICulture, SR.Argument_ResolveString, metadataToken, ToString())); + + if (!MetadataImport.IsValidToken(tk)) + throw new ArgumentOutOfRangeException(nameof(metadataToken), + String.Format(CultureInfo.CurrentUICulture, SR.Format(SR.Argument_InvalidToken, tk, this))); + + string str = MetadataImport.GetUserString(metadataToken); + + if (str == null) + throw new ArgumentException( + String.Format(CultureInfo.CurrentUICulture, SR.Argument_ResolveString, metadataToken, ToString())); + + return str; + } + + public override void GetPEKind(out PortableExecutableKinds peKind, out ImageFileMachine machine) + { + ModuleHandle.GetPEKind(GetNativeHandle(), out peKind, out machine); + } + + public override int MDStreamVersion + { + get + { + return ModuleHandle.GetMDStreamVersion(GetNativeHandle()); + } + } + #endregion + + #region Data Members +#pragma warning disable 169 + // If you add any data members, you need to update the native declaration ReflectModuleBaseObject. + private RuntimeType m_runtimeType; + private RuntimeAssembly m_runtimeAssembly; + private IntPtr m_pRefClass; + private IntPtr m_pData; + private IntPtr m_pGlobals; + private IntPtr m_pFields; +#pragma warning restore 169 + #endregion + + #region Protected Virtuals + protected override MethodInfo GetMethodImpl(String name, BindingFlags bindingAttr, Binder binder, + CallingConventions callConvention, Type[] types, ParameterModifier[] modifiers) + { + return GetMethodInternal(name, bindingAttr, binder, callConvention, types, modifiers); + } + + internal MethodInfo GetMethodInternal(String name, BindingFlags bindingAttr, Binder binder, + CallingConventions callConvention, Type[] types, ParameterModifier[] modifiers) + { + if (RuntimeType == null) + return null; + + if (types == null) + { + return RuntimeType.GetMethod(name, bindingAttr); + } + else + { + return RuntimeType.GetMethod(name, bindingAttr, binder, callConvention, types, modifiers); + } + } + #endregion + + #region Internal Members + internal RuntimeType RuntimeType + { + get + { + if (m_runtimeType == null) + m_runtimeType = ModuleHandle.GetModuleType(GetNativeHandle()); + + return m_runtimeType; + } + } + + internal bool IsTransientInternal() + { + return RuntimeModule.nIsTransientInternal(this.GetNativeHandle()); + } + + internal MetadataImport MetadataImport + { + get + { + unsafe + { + return ModuleHandle.GetMetadataImport(GetNativeHandle()); + } + } + } + #endregion + + #region ICustomAttributeProvider Members + public override Object[] GetCustomAttributes(bool inherit) + { + return CustomAttribute.GetCustomAttributes(this, typeof(object) as RuntimeType); + } + + public override Object[] GetCustomAttributes(Type attributeType, bool inherit) + { + if (attributeType == null) + throw new ArgumentNullException(nameof(attributeType)); + Contract.EndContractBlock(); + + RuntimeType attributeRuntimeType = attributeType.UnderlyingSystemType as RuntimeType; + + if (attributeRuntimeType == null) + throw new ArgumentException(SR.Arg_MustBeType, nameof(attributeType)); + + return CustomAttribute.GetCustomAttributes(this, attributeRuntimeType); + } + + public override bool IsDefined(Type attributeType, bool inherit) + { + if (attributeType == null) + throw new ArgumentNullException(nameof(attributeType)); + Contract.EndContractBlock(); + + RuntimeType attributeRuntimeType = attributeType.UnderlyingSystemType as RuntimeType; + + if (attributeRuntimeType == null) + throw new ArgumentException(SR.Arg_MustBeType, nameof(attributeType)); + + return CustomAttribute.IsDefined(this, attributeRuntimeType); + } + + public override IList<CustomAttributeData> GetCustomAttributesData() + { + return CustomAttributeData.GetCustomAttributesInternal(this); + } + #endregion + + #region Public Virtuals + public override void GetObjectData(SerializationInfo info, StreamingContext context) + { + if (info == null) + { + throw new ArgumentNullException(nameof(info)); + } + Contract.EndContractBlock(); + UnitySerializationHolder.GetUnitySerializationInfo(info, UnitySerializationHolder.ModuleUnity, this.ScopeName, this.GetRuntimeAssembly()); + } + + public override Type GetType(String className, bool throwOnError, bool ignoreCase) + { + // throw on null strings regardless of the value of "throwOnError" + if (className == null) + throw new ArgumentNullException(nameof(className)); + + RuntimeType retType = null; + Object keepAlive = null; + GetType(GetNativeHandle(), className, throwOnError, ignoreCase, JitHelpers.GetObjectHandleOnStack(ref retType), JitHelpers.GetObjectHandleOnStack(ref keepAlive)); + GC.KeepAlive(keepAlive); + return retType; + } + + internal string GetFullyQualifiedName() + { + String fullyQualifiedName = null; + GetFullyQualifiedName(GetNativeHandle(), JitHelpers.GetStringHandleOnStack(ref fullyQualifiedName)); + return fullyQualifiedName; + } + + public override String FullyQualifiedName + { + get + { + return GetFullyQualifiedName(); + } + } + + public override Type[] GetTypes() + { + return GetTypes(GetNativeHandle()); + } + + #endregion + + #region Public Members + + public override Guid ModuleVersionId + { + get + { + unsafe + { + Guid mvid; + MetadataImport.GetScopeProps(out mvid); + return mvid; + } + } + } + + public override int MetadataToken + { + get + { + return ModuleHandle.GetToken(GetNativeHandle()); + } + } + + public override bool IsResource() + { + return IsResource(GetNativeHandle()); + } + + public override FieldInfo[] GetFields(BindingFlags bindingFlags) + { + if (RuntimeType == null) + return new FieldInfo[0]; + + return RuntimeType.GetFields(bindingFlags); + } + + public override FieldInfo GetField(String name, BindingFlags bindingAttr) + { + if (name == null) + throw new ArgumentNullException(nameof(name)); + + if (RuntimeType == null) + return null; + + return RuntimeType.GetField(name, bindingAttr); + } + + public override MethodInfo[] GetMethods(BindingFlags bindingFlags) + { + if (RuntimeType == null) + return new MethodInfo[0]; + + return RuntimeType.GetMethods(bindingFlags); + } + + public override String ScopeName + { + get + { + string scopeName = null; + GetScopeName(GetNativeHandle(), JitHelpers.GetStringHandleOnStack(ref scopeName)); + return scopeName; + } + } + + public override String Name + { + get + { + String s = GetFullyQualifiedName(); + +#if !FEATURE_PAL + int i = s.LastIndexOf('\\'); +#else + int i = s.LastIndexOf(System.IO.Path.DirectorySeparatorChar); +#endif + if (i == -1) + return s; + + return s.Substring(i + 1); + } + } + + public override Assembly Assembly + { + [Pure] + get + { + return GetRuntimeAssembly(); + } + } + + internal RuntimeAssembly GetRuntimeAssembly() + { + return m_runtimeAssembly; + } + + protected override ModuleHandle GetModuleHandleImpl() + { + return new ModuleHandle(this); + } + + internal RuntimeModule GetNativeHandle() + { + return this; + } + #endregion + } +} |