зеркало из https://github.com/mono/ikvm-fork.git
2010 строки
52 KiB
C#
2010 строки
52 KiB
C#
/*
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Copyright (C) 2002-2011 Jeroen Frijters
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This software is provided 'as-is', without any express or implied
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warranty. In no event will the authors be held liable for any damages
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arising from the use of this software.
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Permission is granted to anyone to use this software for any purpose,
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including commercial applications, and to alter it and redistribute it
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freely, subject to the following restrictions:
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1. The origin of this software must not be misrepresented; you must not
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claim that you wrote the original software. If you use this software
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in a product, an acknowledgment in the product documentation would be
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appreciated but is not required.
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2. Altered source versions must be plainly marked as such, and must not be
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misrepresented as being the original software.
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3. This notice may not be removed or altered from any source distribution.
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Jeroen Frijters
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jeroen@frijters.net
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*/
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using System;
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using System.Collections.Generic;
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#if STATIC_COMPILER || STUB_GENERATOR
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using IKVM.Reflection;
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using IKVM.Reflection.Emit;
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using Type = IKVM.Reflection.Type;
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#else
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using System.Reflection;
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using System.Reflection.Emit;
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#endif
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using System.Diagnostics;
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using IKVM.Attributes;
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using System.Threading;
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using System.Runtime.InteropServices;
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namespace IKVM.Internal
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{
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[Flags]
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enum MemberFlags : short
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{
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None = 0,
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HideFromReflection = 1,
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ExplicitOverride = 2,
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MirandaMethod = 8,
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AccessStub = 16,
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InternalAccess = 32, // member has "internal" access (@ikvm.lang.Internal)
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PropertyAccessor = 64,
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Intrinsic = 128,
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CallerID = 256,
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NonPublicTypeInSignature = 512, // this flag is only available after linking and is not set for access stubs
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DelegateInvokeWithByRefParameter = 1024,
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Type2FinalField = 2048,
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}
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class MemberWrapper
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{
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private HandleWrapper handle;
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private TypeWrapper declaringType;
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private Modifiers modifiers;
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private MemberFlags flags;
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private string name;
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private string sig;
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private sealed class HandleWrapper
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{
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internal readonly IntPtr Value;
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[System.Security.SecurityCritical]
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internal HandleWrapper(MemberWrapper obj)
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{
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Value = (IntPtr)GCHandle.Alloc(obj, GCHandleType.WeakTrackResurrection);
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}
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#if CLASSGC
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[System.Security.SecuritySafeCritical]
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~HandleWrapper()
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{
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if (!Environment.HasShutdownStarted)
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{
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GCHandle h = (GCHandle)Value;
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if (h.Target == null)
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{
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h.Free();
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}
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else
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{
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GC.ReRegisterForFinalize(this);
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}
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}
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}
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#endif
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}
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protected MemberWrapper(TypeWrapper declaringType, string name, string sig, Modifiers modifiers, MemberFlags flags)
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{
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Debug.Assert(declaringType != null);
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this.declaringType = declaringType;
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this.name = String.Intern(name);
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this.sig = String.Intern(sig);
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this.modifiers = modifiers;
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this.flags = flags;
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}
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internal IntPtr Cookie
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{
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[System.Security.SecurityCritical]
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get
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{
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lock(this)
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{
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if(handle == null)
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{
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handle = new HandleWrapper(this);
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}
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}
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return handle.Value;
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}
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}
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[System.Security.SecurityCritical]
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internal static MemberWrapper FromCookieImpl(IntPtr cookie)
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{
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return (MemberWrapper)GCHandle.FromIntPtr(cookie).Target;
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}
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internal TypeWrapper DeclaringType
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{
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get
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{
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return declaringType;
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}
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}
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internal string Name
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{
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get
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{
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return name;
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}
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}
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internal string Signature
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{
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get
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{
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return sig;
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}
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}
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internal bool IsAccessibleFrom(TypeWrapper referencedType, TypeWrapper caller, TypeWrapper instance)
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{
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if(referencedType.IsAccessibleFrom(caller))
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{
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return (
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caller == DeclaringType ||
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IsPublicOrProtectedMemberAccessible(caller, instance) ||
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(IsInternal && DeclaringType.InternalsVisibleTo(caller)) ||
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(!IsPrivate && DeclaringType.IsPackageAccessibleFrom(caller)))
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// The JVM supports accessing members that have non-public types in their signature from another package,
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// but the CLI doesn't. It would be nice if we worked around that by emitting extra accessors, but for now
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// we'll simply disallow such access across assemblies (unless the appropriate InternalsVisibleToAttribute exists).
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&& (!(HasNonPublicTypeInSignature || IsType2FinalField) || InPracticeInternalsVisibleTo(caller));
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}
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return false;
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}
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private bool IsPublicOrProtectedMemberAccessible(TypeWrapper caller, TypeWrapper instance)
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{
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if (IsPublic || (IsProtected && caller.IsSubTypeOf(DeclaringType) && (IsStatic || instance.IsSubTypeOf(caller))))
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{
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return DeclaringType.IsPublic || InPracticeInternalsVisibleTo(caller);
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}
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return false;
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}
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private bool InPracticeInternalsVisibleTo(TypeWrapper caller)
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{
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#if !STATIC_COMPILER
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if (DeclaringType.TypeAsTBD.Assembly.Equals(caller.TypeAsTBD.Assembly))
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{
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// both the caller and the declaring type are in the same assembly
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// so we know that the internals are visible
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// (this handles the case where we're running in dynamic mode)
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return true;
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}
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#endif
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#if CLASSGC
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if (DeclaringType is DynamicTypeWrapper)
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{
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// if we are dynamic, we can just become friends with the caller
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DeclaringType.GetClassLoader().GetTypeWrapperFactory().AddInternalsVisibleTo(caller.TypeAsTBD.Assembly);
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return true;
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}
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#endif
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return DeclaringType.InternalsVisibleTo(caller);
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}
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internal bool IsHideFromReflection
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{
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get
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{
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return (flags & MemberFlags.HideFromReflection) != 0;
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}
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}
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internal bool IsExplicitOverride
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{
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get
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{
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return (flags & MemberFlags.ExplicitOverride) != 0;
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}
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}
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internal bool IsMirandaMethod
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{
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get
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{
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return (flags & MemberFlags.MirandaMethod) != 0;
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}
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}
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internal bool IsAccessStub
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{
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get
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{
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return (flags & MemberFlags.AccessStub) != 0;
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}
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}
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internal bool IsPropertyAccessor
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{
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get
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{
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return (flags & MemberFlags.PropertyAccessor) != 0;
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}
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set
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{
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// this is unsynchronized, so it may only be called during the JavaTypeImpl constructor
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if(value)
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{
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flags |= MemberFlags.PropertyAccessor;
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}
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else
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{
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flags &= ~MemberFlags.PropertyAccessor;
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}
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}
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}
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internal bool IsIntrinsic
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{
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get
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{
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return (flags & MemberFlags.Intrinsic) != 0;
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}
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}
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protected void SetIntrinsicFlag()
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{
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flags |= MemberFlags.Intrinsic;
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}
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protected void SetNonPublicTypeInSignatureFlag()
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{
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flags |= MemberFlags.NonPublicTypeInSignature;
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}
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internal bool HasNonPublicTypeInSignature
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{
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get { return (flags & MemberFlags.NonPublicTypeInSignature) != 0; }
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}
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protected void SetType2FinalField()
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{
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flags |= MemberFlags.Type2FinalField;
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}
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internal bool IsType2FinalField
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{
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get { return (flags & MemberFlags.Type2FinalField) != 0; }
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}
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internal bool HasCallerID
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{
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get
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{
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return (flags & MemberFlags.CallerID) != 0;
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}
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}
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internal bool IsDelegateInvokeWithByRefParameter
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{
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get { return (flags & MemberFlags.DelegateInvokeWithByRefParameter) != 0; }
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}
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internal Modifiers Modifiers
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{
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get
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{
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return modifiers;
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}
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}
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internal bool IsStatic
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{
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get
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{
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return (modifiers & Modifiers.Static) != 0;
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}
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}
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internal bool IsInternal
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{
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get
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{
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return (flags & MemberFlags.InternalAccess) != 0;
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}
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}
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internal bool IsPublic
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{
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get
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{
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return (modifiers & Modifiers.Public) != 0;
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}
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}
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internal bool IsPrivate
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{
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get
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{
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return (modifiers & Modifiers.Private) != 0;
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}
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}
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internal bool IsProtected
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{
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get
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{
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return (modifiers & Modifiers.Protected) != 0;
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}
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}
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internal bool IsFinal
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{
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get
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{
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return (modifiers & Modifiers.Final) != 0;
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}
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}
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}
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interface ICustomInvoke
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{
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#if !STATIC_COMPILER && !FIRST_PASS && !STUB_GENERATOR
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object Invoke(object obj, object[] args, ikvm.@internal.CallerID callerID);
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#endif
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}
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abstract class MethodWrapper : MemberWrapper
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{
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#if !STATIC_COMPILER && !FIRST_PASS && !STUB_GENERATOR
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private static Dictionary<MethodWrapper, sun.reflect.MethodAccessor> invokenonvirtualCache;
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private volatile object reflectionMethod;
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#endif
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internal static readonly MethodWrapper[] EmptyArray = new MethodWrapper[0];
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private MethodBase method;
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private string[] declaredExceptions;
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private TypeWrapper returnTypeWrapper;
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private TypeWrapper[] parameterTypeWrappers;
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#if !STUB_GENERATOR
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internal virtual void EmitCall(CodeEmitter ilgen)
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{
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throw new InvalidOperationException();
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}
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internal virtual void EmitCallvirt(CodeEmitter ilgen)
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{
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throw new InvalidOperationException();
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}
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internal virtual void EmitCallvirtReflect(CodeEmitter ilgen)
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{
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EmitCallvirt(ilgen);
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}
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internal virtual void EmitNewobj(CodeEmitter ilgen)
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{
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throw new InvalidOperationException();
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}
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internal virtual bool EmitIntrinsic(EmitIntrinsicContext context)
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{
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return Intrinsics.Emit(context);
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}
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#endif // STUB_GENERATOR
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internal virtual bool IsDynamicOnly
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{
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get
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{
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return false;
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}
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}
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internal class GhostMethodWrapper : SmartMethodWrapper
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{
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private MethodInfo ghostMethod;
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internal GhostMethodWrapper(TypeWrapper declaringType, string name, string sig, MethodBase method, TypeWrapper returnType, TypeWrapper[] parameterTypes, Modifiers modifiers, MemberFlags flags)
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: base(declaringType, name, sig, method, returnType, parameterTypes, modifiers, flags)
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{
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// make sure we weren't handed the ghostMethod in the wrapper value type
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Debug.Assert(method == null || method.DeclaringType.IsInterface);
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}
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private void ResolveGhostMethod()
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{
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if(ghostMethod == null)
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{
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ghostMethod = DeclaringType.TypeAsSignatureType.GetMethod(this.Name, this.GetParametersForDefineMethod());
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if(ghostMethod == null)
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{
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throw new InvalidOperationException("Unable to resolve ghost method");
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}
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}
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}
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#if !STUB_GENERATOR
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protected override void CallvirtImpl(CodeEmitter ilgen)
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{
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ResolveGhostMethod();
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ilgen.Emit(OpCodes.Call, ghostMethod);
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}
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#endif
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}
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internal static MethodWrapper Create(TypeWrapper declaringType, string name, string sig, MethodBase method, TypeWrapper returnType, TypeWrapper[] parameterTypes, Modifiers modifiers, MemberFlags flags)
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{
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Debug.Assert(declaringType != null && name!= null && sig != null && method != null);
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if(declaringType.IsGhost)
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{
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// HACK since our caller isn't aware of the ghost issues, we'll handle the method swapping
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if(method.DeclaringType.IsValueType)
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{
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Type[] types = new Type[parameterTypes.Length];
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for(int i = 0; i < types.Length; i++)
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{
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types[i] = parameterTypes[i].TypeAsSignatureType;
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}
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method = declaringType.TypeAsBaseType.GetMethod(method.Name, types);
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}
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return new GhostMethodWrapper(declaringType, name, sig, method, returnType, parameterTypes, modifiers, flags);
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}
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else if(method is ConstructorInfo)
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{
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return new SmartConstructorMethodWrapper(declaringType, name, sig, (ConstructorInfo)method, parameterTypes, modifiers, flags);
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}
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else
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{
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return new SmartCallMethodWrapper(declaringType, name, sig, (MethodInfo)method, returnType, parameterTypes, modifiers, flags, SimpleOpCode.Call, method.IsStatic ? SimpleOpCode.Call : SimpleOpCode.Callvirt);
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}
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}
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internal MethodWrapper(TypeWrapper declaringType, string name, string sig, MethodBase method, TypeWrapper returnType, TypeWrapper[] parameterTypes, Modifiers modifiers, MemberFlags flags)
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: base(declaringType, name, sig, modifiers, flags)
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{
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Profiler.Count("MethodWrapper");
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this.method = method;
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Debug.Assert(((returnType == null) == (parameterTypes == null)) || (returnType == PrimitiveTypeWrapper.VOID));
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this.returnTypeWrapper = returnType;
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this.parameterTypeWrappers = parameterTypes;
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if (Intrinsics.IsIntrinsic(this))
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{
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SetIntrinsicFlag();
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}
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UpdateNonPublicTypeInSignatureFlag();
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}
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private void UpdateNonPublicTypeInSignatureFlag()
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{
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if ((IsPublic || IsProtected) && (returnTypeWrapper != null && parameterTypeWrappers != null) && !(this is AccessStubMethodWrapper) && !(this is AccessStubConstructorMethodWrapper))
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{
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if (!returnTypeWrapper.IsPublic && !returnTypeWrapper.IsUnloadable)
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{
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SetNonPublicTypeInSignatureFlag();
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}
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else
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{
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foreach (TypeWrapper tw in parameterTypeWrappers)
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{
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if (!tw.IsPublic && !tw.IsUnloadable)
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{
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SetNonPublicTypeInSignatureFlag();
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break;
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}
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}
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}
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}
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}
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internal void SetDeclaredExceptions(string[] exceptions)
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{
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if(exceptions == null)
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{
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exceptions = new string[0];
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}
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this.declaredExceptions = (string[])exceptions.Clone();
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}
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internal string[] GetDeclaredExceptions()
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{
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return declaredExceptions;
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}
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#if !STATIC_COMPILER && !STUB_GENERATOR
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internal object ToMethodOrConstructor(bool copy)
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{
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#if FIRST_PASS
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return null;
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#else
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object method = reflectionMethod;
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if (method == null)
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{
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Link();
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ClassLoaderWrapper loader = this.DeclaringType.GetClassLoader();
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TypeWrapper[] argTypes = GetParameters();
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java.lang.Class[] parameterTypes = new java.lang.Class[argTypes.Length];
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for (int i = 0; i < argTypes.Length; i++)
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{
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parameterTypes[i] = argTypes[i].EnsureLoadable(loader).ClassObject;
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}
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java.lang.Class[] checkedExceptions = GetExceptions();
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if (this.Name == StringConstants.INIT)
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{
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method = new java.lang.reflect.Constructor(
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this.DeclaringType.ClassObject,
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parameterTypes,
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checkedExceptions,
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(int)this.Modifiers | (this.IsInternal ? 0x40000000 : 0),
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Array.IndexOf(this.DeclaringType.GetMethods(), this),
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this.DeclaringType.GetGenericMethodSignature(this),
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null,
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null
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);
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}
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else
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{
|
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method = new java.lang.reflect.Method(
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this.DeclaringType.ClassObject,
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this.Name,
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parameterTypes,
|
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this.ReturnType.EnsureLoadable(loader).ClassObject,
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checkedExceptions,
|
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(int)this.Modifiers | (this.IsInternal ? 0x40000000 : 0),
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Array.IndexOf(this.DeclaringType.GetMethods(), this),
|
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this.DeclaringType.GetGenericMethodSignature(this),
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null,
|
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null,
|
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null
|
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);
|
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}
|
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lock (this)
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{
|
|
if (reflectionMethod == null)
|
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{
|
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reflectionMethod = method;
|
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}
|
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else
|
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{
|
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method = reflectionMethod;
|
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}
|
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}
|
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}
|
|
if (copy)
|
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{
|
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java.lang.reflect.Constructor ctor = method as java.lang.reflect.Constructor;
|
|
if (ctor != null)
|
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{
|
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return ctor.copy();
|
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}
|
|
return ((java.lang.reflect.Method)method).copy();
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}
|
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return method;
|
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#endif
|
|
}
|
|
|
|
#if !FIRST_PASS
|
|
private java.lang.Class[] GetExceptions()
|
|
{
|
|
string[] classes = declaredExceptions;
|
|
Type[] types = Type.EmptyTypes;
|
|
if (classes == null)
|
|
{
|
|
// NOTE if method is a MethodBuilder, GetCustomAttributes doesn't work (and if
|
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// the method had any declared exceptions, the declaredExceptions field would have
|
|
// been set)
|
|
if (method != null && !(method is MethodBuilder))
|
|
{
|
|
ThrowsAttribute attr = AttributeHelper.GetThrows(method);
|
|
if (attr != null)
|
|
{
|
|
classes = attr.classes;
|
|
types = attr.types;
|
|
}
|
|
}
|
|
}
|
|
if (classes != null)
|
|
{
|
|
java.lang.Class[] array = new java.lang.Class[classes.Length];
|
|
for (int i = 0; i < classes.Length; i++)
|
|
{
|
|
array[i] = this.DeclaringType.GetClassLoader().LoadClassByDottedName(classes[i]).ClassObject;
|
|
}
|
|
return array;
|
|
}
|
|
else
|
|
{
|
|
java.lang.Class[] array = new java.lang.Class[types.Length];
|
|
for (int i = 0; i < types.Length; i++)
|
|
{
|
|
array[i] = types[i];
|
|
}
|
|
return array;
|
|
}
|
|
}
|
|
#endif // !FIRST_PASS
|
|
|
|
internal static MethodWrapper FromMethodOrConstructor(object methodOrConstructor)
|
|
{
|
|
#if FIRST_PASS
|
|
return null;
|
|
#else
|
|
java.lang.reflect.Method method = methodOrConstructor as java.lang.reflect.Method;
|
|
if (method != null)
|
|
{
|
|
return TypeWrapper.FromClass(method.getDeclaringClass()).GetMethods()[method._slot()];
|
|
}
|
|
java.lang.reflect.Constructor constructor = (java.lang.reflect.Constructor)methodOrConstructor;
|
|
return TypeWrapper.FromClass(constructor.getDeclaringClass()).GetMethods()[constructor._slot()];
|
|
#endif
|
|
}
|
|
#endif // !STATIC_COMPILER && !STUB_GENERATOR
|
|
|
|
[System.Security.SecurityCritical]
|
|
internal static MethodWrapper FromCookie(IntPtr cookie)
|
|
{
|
|
return (MethodWrapper)FromCookieImpl(cookie);
|
|
}
|
|
|
|
internal bool IsLinked
|
|
{
|
|
get
|
|
{
|
|
return parameterTypeWrappers != null;
|
|
}
|
|
}
|
|
|
|
internal void Link()
|
|
{
|
|
lock(this)
|
|
{
|
|
if(parameterTypeWrappers != null)
|
|
{
|
|
return;
|
|
}
|
|
}
|
|
ClassLoaderWrapper loader = this.DeclaringType.GetClassLoader();
|
|
TypeWrapper ret = loader.RetTypeWrapperFromSigNoThrow(Signature);
|
|
TypeWrapper[] parameters = loader.ArgTypeWrapperListFromSigNoThrow(Signature);
|
|
lock(this)
|
|
{
|
|
try
|
|
{
|
|
// critical code in the finally block to avoid Thread.Abort interrupting the thread
|
|
}
|
|
finally
|
|
{
|
|
if(parameterTypeWrappers == null)
|
|
{
|
|
Debug.Assert(returnTypeWrapper == null || returnTypeWrapper == PrimitiveTypeWrapper.VOID);
|
|
returnTypeWrapper = ret;
|
|
parameterTypeWrappers = parameters;
|
|
UpdateNonPublicTypeInSignatureFlag();
|
|
if(method == null)
|
|
{
|
|
try
|
|
{
|
|
DoLinkMethod();
|
|
}
|
|
catch
|
|
{
|
|
// HACK if linking fails, we unlink to make sure
|
|
// that the next link attempt will fail again
|
|
returnTypeWrapper = null;
|
|
parameterTypeWrappers = null;
|
|
throw;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
protected virtual void DoLinkMethod()
|
|
{
|
|
method = this.DeclaringType.LinkMethod(this);
|
|
}
|
|
|
|
[Conditional("DEBUG")]
|
|
internal void AssertLinked()
|
|
{
|
|
if(!(parameterTypeWrappers != null && returnTypeWrapper != null))
|
|
{
|
|
Tracer.Error(Tracer.Runtime, "AssertLinked failed: " + this.DeclaringType.Name + "::" + this.Name + this.Signature);
|
|
}
|
|
Debug.Assert(parameterTypeWrappers != null && returnTypeWrapper != null, this.DeclaringType.Name + "::" + this.Name + this.Signature);
|
|
}
|
|
|
|
internal TypeWrapper ReturnType
|
|
{
|
|
get
|
|
{
|
|
AssertLinked();
|
|
return returnTypeWrapper;
|
|
}
|
|
}
|
|
|
|
internal TypeWrapper[] GetParameters()
|
|
{
|
|
AssertLinked();
|
|
return parameterTypeWrappers;
|
|
}
|
|
|
|
#if !STUB_GENERATOR
|
|
internal DefineMethodHelper GetDefineMethodHelper()
|
|
{
|
|
return new DefineMethodHelper(this);
|
|
}
|
|
#endif
|
|
|
|
internal Type ReturnTypeForDefineMethod
|
|
{
|
|
get
|
|
{
|
|
return ReturnType.TypeAsSignatureType;
|
|
}
|
|
}
|
|
|
|
internal Type[] GetParametersForDefineMethod()
|
|
{
|
|
TypeWrapper[] wrappers = GetParameters();
|
|
int len = wrappers.Length;
|
|
if(HasCallerID)
|
|
{
|
|
len++;
|
|
}
|
|
Type[] temp = new Type[len];
|
|
for(int i = 0; i < wrappers.Length; i++)
|
|
{
|
|
temp[i] = wrappers[i].TypeAsSignatureType;
|
|
}
|
|
if(HasCallerID)
|
|
{
|
|
temp[len - 1] = CoreClasses.ikvm.@internal.CallerID.Wrapper.TypeAsSignatureType;
|
|
}
|
|
return temp;
|
|
}
|
|
|
|
// we expose the underlying MethodBase object,
|
|
// for Java types, this is the method that contains the compiled Java bytecode
|
|
// for remapped types, this is the mbCore method (not the helper)
|
|
// Note that for some artificial methods (notably wrap() in enums), method is null
|
|
internal MethodBase GetMethod()
|
|
{
|
|
AssertLinked();
|
|
return method;
|
|
}
|
|
|
|
internal string RealName
|
|
{
|
|
get
|
|
{
|
|
AssertLinked();
|
|
return method.Name;
|
|
}
|
|
}
|
|
|
|
// this returns the Java method's attributes in .NET terms (e.g. used to create stubs for this method)
|
|
internal MethodAttributes GetMethodAttributes()
|
|
{
|
|
MethodAttributes attribs = MethodAttributes.HideBySig;
|
|
if(IsStatic)
|
|
{
|
|
attribs |= MethodAttributes.Static;
|
|
}
|
|
if(IsPublic)
|
|
{
|
|
attribs |= MethodAttributes.Public;
|
|
}
|
|
else if(IsPrivate)
|
|
{
|
|
attribs |= MethodAttributes.Private;
|
|
}
|
|
else if(IsProtected)
|
|
{
|
|
attribs |= MethodAttributes.FamORAssem;
|
|
}
|
|
else
|
|
{
|
|
attribs |= MethodAttributes.Family;
|
|
}
|
|
// constructors aren't virtual
|
|
if(!IsStatic && !IsPrivate && Name != "<init>")
|
|
{
|
|
attribs |= MethodAttributes.Virtual;
|
|
}
|
|
if(IsFinal)
|
|
{
|
|
attribs |= MethodAttributes.Final;
|
|
}
|
|
if(IsAbstract)
|
|
{
|
|
attribs |= MethodAttributes.Abstract;
|
|
}
|
|
return attribs;
|
|
}
|
|
|
|
internal bool IsAbstract
|
|
{
|
|
get
|
|
{
|
|
return (Modifiers & Modifiers.Abstract) != 0;
|
|
}
|
|
}
|
|
|
|
#if !STATIC_COMPILER && !STUB_GENERATOR
|
|
[HideFromJava]
|
|
internal object InvokeJNI(object obj, object[] args, bool nonVirtual, object callerID)
|
|
{
|
|
#if FIRST_PASS
|
|
return null;
|
|
#else
|
|
if (ReferenceEquals(Name, StringConstants.INIT))
|
|
{
|
|
java.lang.reflect.Constructor cons = (java.lang.reflect.Constructor)ToMethodOrConstructor(false);
|
|
if (obj == null)
|
|
{
|
|
sun.reflect.ConstructorAccessor acc = cons.getConstructorAccessor();
|
|
if (acc == null)
|
|
{
|
|
acc = (sun.reflect.ConstructorAccessor)IKVM.NativeCode.sun.reflect.ReflectionFactory.newConstructorAccessor0(null, cons);
|
|
cons.setConstructorAccessor(acc);
|
|
}
|
|
return acc.newInstance(args);
|
|
}
|
|
else if (method is MethodInfo)
|
|
{
|
|
Debug.Assert(method.IsStatic);
|
|
// we're dealing with a constructor on a remapped type, if obj is supplied, it means
|
|
// that we should call the constructor on an already existing instance, but that isn't
|
|
// possible with remapped types
|
|
// the type of this exception is a bit random (note that this can only happen through JNI reflection)
|
|
throw new java.lang.IncompatibleClassChangeError(string.Format("Remapped type {0} doesn't support constructor invocation on an existing instance", DeclaringType.Name));
|
|
}
|
|
else if (!method.DeclaringType.IsInstanceOfType(obj))
|
|
{
|
|
// we're trying to initialize an existing instance of a remapped type
|
|
throw new NotSupportedException("Unable to partially construct object of type " + obj.GetType().FullName + " to type " + method.DeclaringType.FullName);
|
|
}
|
|
else
|
|
{
|
|
try
|
|
{
|
|
ResolveMethod();
|
|
InvokeArgsProcessor proc = new InvokeArgsProcessor(this, method, obj, UnboxArgs(args), (ikvm.@internal.CallerID)callerID);
|
|
object o = method.Invoke(proc.GetObj(), proc.GetArgs());
|
|
TypeWrapper retType = this.ReturnType;
|
|
if (!retType.IsUnloadable && retType.IsGhost)
|
|
{
|
|
o = retType.GhostRefField.GetValue(o);
|
|
}
|
|
return o;
|
|
}
|
|
catch (ArgumentException x1)
|
|
{
|
|
throw new java.lang.IllegalArgumentException(x1.Message);
|
|
}
|
|
catch (TargetInvocationException x)
|
|
{
|
|
throw new java.lang.reflect.InvocationTargetException(ikvm.runtime.Util.mapException(x.InnerException));
|
|
}
|
|
}
|
|
}
|
|
else if (nonVirtual
|
|
&& !this.IsStatic
|
|
&& !this.IsPrivate
|
|
&& !this.IsAbstract
|
|
&& !this.IsFinal
|
|
&& !this.DeclaringType.IsFinal)
|
|
{
|
|
if (this.DeclaringType.IsRemapped && !this.DeclaringType.TypeAsBaseType.IsInstanceOfType(obj))
|
|
{
|
|
ResolveMethod();
|
|
return InvokeNonvirtualRemapped(obj, UnboxArgs(args));
|
|
}
|
|
else
|
|
{
|
|
if (invokenonvirtualCache == null)
|
|
{
|
|
Interlocked.CompareExchange(ref invokenonvirtualCache, new Dictionary<MethodWrapper, sun.reflect.MethodAccessor>(), null);
|
|
}
|
|
sun.reflect.MethodAccessor acc;
|
|
lock (invokenonvirtualCache)
|
|
{
|
|
if (!invokenonvirtualCache.TryGetValue(this, out acc))
|
|
{
|
|
acc = new IKVM.NativeCode.sun.reflect.ReflectionFactory.FastMethodAccessorImpl((java.lang.reflect.Method)ToMethodOrConstructor(false), true);
|
|
invokenonvirtualCache.Add(this, acc);
|
|
}
|
|
}
|
|
object val = acc.invoke(obj, args, (ikvm.@internal.CallerID)callerID);
|
|
if (this.ReturnType.IsPrimitive && this.ReturnType != PrimitiveTypeWrapper.VOID)
|
|
{
|
|
val = JVM.Unbox(val);
|
|
}
|
|
return val;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
java.lang.reflect.Method method = (java.lang.reflect.Method)ToMethodOrConstructor(false);
|
|
sun.reflect.MethodAccessor acc = method.getMethodAccessor();
|
|
if (acc == null)
|
|
{
|
|
acc = (sun.reflect.MethodAccessor)IKVM.NativeCode.sun.reflect.ReflectionFactory.newMethodAccessor(null, method);
|
|
method.setMethodAccessor(acc);
|
|
}
|
|
object val = acc.invoke(obj, args, (ikvm.@internal.CallerID)callerID);
|
|
if (this.ReturnType.IsPrimitive && this.ReturnType != PrimitiveTypeWrapper.VOID)
|
|
{
|
|
val = JVM.Unbox(val);
|
|
}
|
|
return val;
|
|
}
|
|
#endif
|
|
}
|
|
|
|
private object[] UnboxArgs(object[] args)
|
|
{
|
|
TypeWrapper[] paramTypes = GetParameters();
|
|
for (int i = 0; i < paramTypes.Length; i++)
|
|
{
|
|
if (paramTypes[i].IsPrimitive)
|
|
{
|
|
args[i] = JVM.Unbox(args[i]);
|
|
}
|
|
}
|
|
return args;
|
|
}
|
|
#endif // !STATIC_COMPILER && !STUB_GENERATOR
|
|
|
|
#if !STATIC_COMPILER && !FIRST_PASS && !STUB_GENERATOR
|
|
internal void ResolveMethod()
|
|
{
|
|
// if we've still got the builder object, we need to replace it with the real thing before we can call it
|
|
if(method is MethodBuilder)
|
|
{
|
|
method = method.Module.ResolveMethod(((MethodBuilder)method).GetToken().Token);
|
|
}
|
|
if(method is ConstructorBuilder)
|
|
{
|
|
method = method.Module.ResolveMethod(((ConstructorBuilder)method).GetToken().Token);
|
|
}
|
|
}
|
|
|
|
[HideFromJava]
|
|
protected virtual object InvokeNonvirtualRemapped(object obj, object[] args)
|
|
{
|
|
throw new InvalidOperationException();
|
|
}
|
|
|
|
private struct InvokeArgsProcessor
|
|
{
|
|
private object obj;
|
|
private object[] args;
|
|
|
|
internal InvokeArgsProcessor(MethodWrapper mw, MethodBase method, object original_obj, object[] original_args, ikvm.@internal.CallerID callerID)
|
|
{
|
|
TypeWrapper[] argTypes = mw.GetParameters();
|
|
|
|
if(!mw.IsStatic && method.IsStatic && mw.Name != "<init>")
|
|
{
|
|
// we've been redirected to a static method, so we have to copy the 'obj' into the args
|
|
object[] nargs = new object[original_args.Length + 1];
|
|
nargs[0] = original_obj;
|
|
original_args.CopyTo(nargs, 1);
|
|
this.obj = null;
|
|
this.args = nargs;
|
|
for(int i = 0; i < argTypes.Length; i++)
|
|
{
|
|
if(!argTypes[i].IsUnloadable && argTypes[i].IsGhost)
|
|
{
|
|
object v = Activator.CreateInstance(argTypes[i].TypeAsSignatureType);
|
|
argTypes[i].GhostRefField.SetValue(v, args[i + 1]);
|
|
args[i + 1] = v;
|
|
}
|
|
}
|
|
}
|
|
else
|
|
{
|
|
this.obj = original_obj;
|
|
this.args = original_args;
|
|
for(int i = 0; i < argTypes.Length; i++)
|
|
{
|
|
if(!argTypes[i].IsUnloadable && argTypes[i].IsGhost)
|
|
{
|
|
if(this.args == original_args)
|
|
{
|
|
this.args = (object[])args.Clone();
|
|
}
|
|
object v = Activator.CreateInstance(argTypes[i].TypeAsSignatureType);
|
|
argTypes[i].GhostRefField.SetValue(v, args[i]);
|
|
this.args[i] = v;
|
|
}
|
|
}
|
|
}
|
|
|
|
if(mw.HasCallerID)
|
|
{
|
|
object[] nargs = new object[args.Length + 1];
|
|
Array.Copy(args, nargs, args.Length);
|
|
nargs[args.Length] = callerID;
|
|
args = nargs;
|
|
}
|
|
}
|
|
|
|
internal object GetObj()
|
|
{
|
|
return obj;
|
|
}
|
|
|
|
internal object[] GetArgs()
|
|
{
|
|
return args;
|
|
}
|
|
}
|
|
#endif // !STATIC_COMPILER && !FIRST_PASS && !STUB_GENERATOR
|
|
|
|
internal static OpCode SimpleOpCodeToOpCode(SimpleOpCode opc)
|
|
{
|
|
switch(opc)
|
|
{
|
|
case SimpleOpCode.Call:
|
|
return OpCodes.Call;
|
|
case SimpleOpCode.Callvirt:
|
|
return OpCodes.Callvirt;
|
|
case SimpleOpCode.Newobj:
|
|
return OpCodes.Newobj;
|
|
default:
|
|
throw new InvalidOperationException();
|
|
}
|
|
}
|
|
|
|
internal virtual bool IsOptionalAttributeAnnotationValue
|
|
{
|
|
get { return false; }
|
|
}
|
|
}
|
|
|
|
// placeholder for <clinit> method that exist in ClassFile but not in TypeWrapper
|
|
// (because it is optimized away)
|
|
sealed class DummyMethodWrapper : MethodWrapper
|
|
{
|
|
internal DummyMethodWrapper(TypeWrapper tw)
|
|
: base(tw, StringConstants.CLINIT, StringConstants.SIG_VOID, null, PrimitiveTypeWrapper.VOID, TypeWrapper.EmptyArray, Modifiers.Static, MemberFlags.None)
|
|
{
|
|
}
|
|
|
|
protected override void DoLinkMethod()
|
|
{
|
|
// we're pre-linked (because we pass the signature types to the base constructor)
|
|
throw new InvalidOperationException();
|
|
}
|
|
}
|
|
|
|
class SmartMethodWrapper : MethodWrapper
|
|
{
|
|
internal SmartMethodWrapper(TypeWrapper declaringType, string name, string sig, MethodBase method, TypeWrapper returnType, TypeWrapper[] parameterTypes, Modifiers modifiers, MemberFlags flags)
|
|
: base(declaringType, name, sig, method, returnType, parameterTypes, modifiers, flags)
|
|
{
|
|
}
|
|
|
|
#if !STUB_GENERATOR
|
|
protected virtual void PreEmit(CodeEmitter ilgen)
|
|
{
|
|
}
|
|
|
|
internal sealed override void EmitCall(CodeEmitter ilgen)
|
|
{
|
|
AssertLinked();
|
|
PreEmit(ilgen);
|
|
CallImpl(ilgen);
|
|
}
|
|
|
|
protected virtual void CallImpl(CodeEmitter ilgen)
|
|
{
|
|
throw new InvalidOperationException();
|
|
}
|
|
|
|
internal sealed override void EmitCallvirt(CodeEmitter ilgen)
|
|
{
|
|
AssertLinked();
|
|
PreEmit(ilgen);
|
|
if(DeclaringType.IsNonPrimitiveValueType)
|
|
{
|
|
// callvirt isn't allowed on a value type
|
|
// (we don't need to check for a null reference, because we're always dealing with an unboxed value)
|
|
CallImpl(ilgen);
|
|
}
|
|
else
|
|
{
|
|
CallvirtImpl(ilgen);
|
|
}
|
|
}
|
|
|
|
protected virtual void CallvirtImpl(CodeEmitter ilgen)
|
|
{
|
|
throw new InvalidOperationException();
|
|
}
|
|
|
|
internal sealed override void EmitNewobj(CodeEmitter ilgen)
|
|
{
|
|
AssertLinked();
|
|
PreEmit(ilgen);
|
|
NewobjImpl(ilgen);
|
|
if(DeclaringType.IsNonPrimitiveValueType)
|
|
{
|
|
DeclaringType.EmitBox(ilgen);
|
|
}
|
|
}
|
|
|
|
protected virtual void NewobjImpl(CodeEmitter ilgen)
|
|
{
|
|
throw new InvalidOperationException();
|
|
}
|
|
#endif // STUB_GENERATOR
|
|
}
|
|
|
|
enum SimpleOpCode : byte
|
|
{
|
|
Call,
|
|
Callvirt,
|
|
Newobj
|
|
}
|
|
|
|
sealed class SimpleCallMethodWrapper : MethodWrapper
|
|
{
|
|
private SimpleOpCode call;
|
|
private SimpleOpCode callvirt;
|
|
|
|
internal SimpleCallMethodWrapper(TypeWrapper declaringType, string name, string sig, MethodInfo method, TypeWrapper returnType, TypeWrapper[] parameterTypes, Modifiers modifiers, MemberFlags flags, SimpleOpCode call, SimpleOpCode callvirt)
|
|
: base(declaringType, name, sig, method, returnType, parameterTypes, modifiers, flags)
|
|
{
|
|
this.call = call;
|
|
this.callvirt = callvirt;
|
|
}
|
|
|
|
#if !STUB_GENERATOR
|
|
internal override void EmitCall(CodeEmitter ilgen)
|
|
{
|
|
ilgen.Emit(SimpleOpCodeToOpCode(call), (MethodInfo)GetMethod());
|
|
}
|
|
|
|
internal override void EmitCallvirt(CodeEmitter ilgen)
|
|
{
|
|
ilgen.Emit(SimpleOpCodeToOpCode(callvirt), (MethodInfo)GetMethod());
|
|
}
|
|
#endif // !STUB_GENERATOR
|
|
}
|
|
|
|
sealed class SmartCallMethodWrapper : SmartMethodWrapper
|
|
{
|
|
private SimpleOpCode call;
|
|
private SimpleOpCode callvirt;
|
|
|
|
internal SmartCallMethodWrapper(TypeWrapper declaringType, string name, string sig, MethodInfo method, TypeWrapper returnType, TypeWrapper[] parameterTypes, Modifiers modifiers, MemberFlags flags, SimpleOpCode call, SimpleOpCode callvirt)
|
|
: base(declaringType, name, sig, method, returnType, parameterTypes, modifiers, flags)
|
|
{
|
|
this.call = call;
|
|
this.callvirt = callvirt;
|
|
}
|
|
|
|
#if !STUB_GENERATOR
|
|
protected override void CallImpl(CodeEmitter ilgen)
|
|
{
|
|
ilgen.Emit(SimpleOpCodeToOpCode(call), (MethodInfo)GetMethod());
|
|
}
|
|
|
|
protected override void CallvirtImpl(CodeEmitter ilgen)
|
|
{
|
|
ilgen.Emit(SimpleOpCodeToOpCode(callvirt), (MethodInfo)GetMethod());
|
|
}
|
|
#endif // !STUB_GENERATOR
|
|
}
|
|
|
|
sealed class SmartConstructorMethodWrapper : SmartMethodWrapper
|
|
{
|
|
internal SmartConstructorMethodWrapper(TypeWrapper declaringType, string name, string sig, ConstructorInfo method, TypeWrapper[] parameterTypes, Modifiers modifiers, MemberFlags flags)
|
|
: base(declaringType, name, sig, method, PrimitiveTypeWrapper.VOID, parameterTypes, modifiers, flags)
|
|
{
|
|
}
|
|
|
|
#if !STUB_GENERATOR
|
|
protected override void CallImpl(CodeEmitter ilgen)
|
|
{
|
|
ilgen.Emit(OpCodes.Call, (ConstructorInfo)GetMethod());
|
|
}
|
|
|
|
protected override void NewobjImpl(CodeEmitter ilgen)
|
|
{
|
|
ilgen.Emit(OpCodes.Newobj, (ConstructorInfo)GetMethod());
|
|
}
|
|
#endif // !STUB_GENERATOR
|
|
}
|
|
|
|
sealed class AccessStubMethodWrapper : SmartMethodWrapper
|
|
{
|
|
private readonly MethodInfo stubVirtual;
|
|
private readonly MethodInfo stubNonVirtual;
|
|
|
|
internal AccessStubMethodWrapper(TypeWrapper declaringType, string name, string sig, MethodInfo core, MethodInfo stubVirtual, MethodInfo stubNonVirtual, TypeWrapper returnType, TypeWrapper[] parameterTypes, Modifiers modifiers, MemberFlags flags)
|
|
: base(declaringType, name, sig, core, returnType, parameterTypes, modifiers, flags)
|
|
{
|
|
this.stubVirtual = stubVirtual;
|
|
this.stubNonVirtual = stubNonVirtual;
|
|
}
|
|
|
|
#if !STUB_GENERATOR
|
|
protected override void CallImpl(CodeEmitter ilgen)
|
|
{
|
|
ilgen.Emit(OpCodes.Call, stubNonVirtual);
|
|
}
|
|
|
|
protected override void CallvirtImpl(CodeEmitter ilgen)
|
|
{
|
|
ilgen.Emit(OpCodes.Callvirt, stubVirtual);
|
|
}
|
|
#endif // !STUB_GENERATOR
|
|
}
|
|
|
|
sealed class AccessStubConstructorMethodWrapper : SmartMethodWrapper
|
|
{
|
|
private readonly ConstructorInfo stub;
|
|
|
|
internal AccessStubConstructorMethodWrapper(TypeWrapper declaringType, string sig, ConstructorInfo core, ConstructorInfo stub, TypeWrapper[] parameterTypes, Modifiers modifiers, MemberFlags flags)
|
|
: base(declaringType, StringConstants.INIT, sig, core, PrimitiveTypeWrapper.VOID, parameterTypes, modifiers, flags)
|
|
{
|
|
this.stub = stub;
|
|
}
|
|
|
|
#if !STUB_GENERATOR
|
|
protected override void CallImpl(CodeEmitter ilgen)
|
|
{
|
|
ilgen.Emit(OpCodes.Call, stub);
|
|
}
|
|
|
|
protected override void NewobjImpl(CodeEmitter ilgen)
|
|
{
|
|
ilgen.Emit(OpCodes.Newobj, stub);
|
|
}
|
|
#endif // !STUB_GENERATOR
|
|
}
|
|
|
|
abstract class FieldWrapper : MemberWrapper
|
|
{
|
|
#if !STATIC_COMPILER && !FIRST_PASS && !STUB_GENERATOR
|
|
private volatile java.lang.reflect.Field reflectionField;
|
|
private sun.reflect.FieldAccessor jniAccessor;
|
|
#endif
|
|
internal static readonly FieldWrapper[] EmptyArray = new FieldWrapper[0];
|
|
private FieldInfo field;
|
|
private TypeWrapper fieldType;
|
|
|
|
internal FieldWrapper(TypeWrapper declaringType, TypeWrapper fieldType, string name, string sig, Modifiers modifiers, FieldInfo field, MemberFlags flags)
|
|
: base(declaringType, name, sig, modifiers, flags)
|
|
{
|
|
Debug.Assert(name != null);
|
|
Debug.Assert(sig != null);
|
|
this.fieldType = fieldType;
|
|
this.field = field;
|
|
UpdateNonPublicTypeInSignatureFlag();
|
|
#if STATIC_COMPILER
|
|
if (IsFinal
|
|
&& DeclaringType.IsPublic
|
|
&& !DeclaringType.IsInterface
|
|
&& (IsPublic || (IsProtected && !DeclaringType.IsFinal))
|
|
&& !DeclaringType.GetClassLoader().StrictFinalFieldSemantics
|
|
&& DeclaringType is DynamicTypeWrapper
|
|
&& !(this is ConstantFieldWrapper)
|
|
&& !(this is DynamicPropertyFieldWrapper))
|
|
{
|
|
SetType2FinalField();
|
|
}
|
|
#endif
|
|
}
|
|
|
|
internal FieldWrapper(TypeWrapper declaringType, TypeWrapper fieldType, string name, string sig, ExModifiers modifiers, FieldInfo field)
|
|
: this(declaringType, fieldType, name, sig, modifiers.Modifiers, field,
|
|
(modifiers.IsInternal ? MemberFlags.InternalAccess : MemberFlags.None))
|
|
{
|
|
}
|
|
|
|
private void UpdateNonPublicTypeInSignatureFlag()
|
|
{
|
|
if ((IsPublic || IsProtected) && fieldType != null && !IsAccessStub)
|
|
{
|
|
if (!fieldType.IsPublic && !fieldType.IsUnloadable)
|
|
{
|
|
SetNonPublicTypeInSignatureFlag();
|
|
}
|
|
}
|
|
}
|
|
|
|
internal FieldInfo GetField()
|
|
{
|
|
AssertLinked();
|
|
return field;
|
|
}
|
|
|
|
[Conditional("DEBUG")]
|
|
internal void AssertLinked()
|
|
{
|
|
if(fieldType == null)
|
|
{
|
|
Tracer.Error(Tracer.Runtime, "AssertLinked failed: " + this.DeclaringType.Name + "::" + this.Name + " (" + this.Signature + ")");
|
|
}
|
|
Debug.Assert(fieldType != null, this.DeclaringType.Name + "::" + this.Name + " (" + this.Signature+ ")");
|
|
}
|
|
|
|
#if !STATIC_COMPILER && !STUB_GENERATOR
|
|
// NOTE used (thru IKVM.Runtime.Util.GetFieldConstantValue) by ikvmstub to find out if the
|
|
// field is a constant (and if it is, to get its value)
|
|
internal object GetConstant()
|
|
{
|
|
AssertLinked();
|
|
// only primitives and string can be literals in Java (because the other "primitives" (like uint),
|
|
// are treated as NonPrimitiveValueTypes)
|
|
if(field != null && field.IsLiteral && (fieldType.IsPrimitive || fieldType == CoreClasses.java.lang.String.Wrapper))
|
|
{
|
|
object val = field.GetRawConstantValue();
|
|
if(field.FieldType.IsEnum)
|
|
{
|
|
val = EnumHelper.GetPrimitiveValue(EnumHelper.GetUnderlyingType(field.FieldType), val);
|
|
}
|
|
if(fieldType.IsPrimitive)
|
|
{
|
|
return JVM.Box(val);
|
|
}
|
|
return val;
|
|
}
|
|
return null;
|
|
}
|
|
|
|
internal static FieldWrapper FromField(object field)
|
|
{
|
|
#if FIRST_PASS
|
|
return null;
|
|
#else
|
|
java.lang.reflect.Field f = (java.lang.reflect.Field)field;
|
|
int slot = f._slot();
|
|
if (slot == -1)
|
|
{
|
|
// it's a Field created by Unsafe.objectFieldOffset(Class,String) so we must resolve based on the name
|
|
foreach (FieldWrapper fw in TypeWrapper.FromClass(f.getDeclaringClass()).GetFields())
|
|
{
|
|
if (fw.Name == f.getName())
|
|
{
|
|
return fw;
|
|
}
|
|
}
|
|
}
|
|
return TypeWrapper.FromClass(f.getDeclaringClass()).GetFields()[slot];
|
|
#endif
|
|
}
|
|
|
|
internal object ToField(bool copy)
|
|
{
|
|
#if FIRST_PASS
|
|
return null;
|
|
#else
|
|
java.lang.reflect.Field field = reflectionField;
|
|
if (field == null)
|
|
{
|
|
Link();
|
|
field = new java.lang.reflect.Field(
|
|
this.DeclaringType.ClassObject,
|
|
this.Name,
|
|
this.FieldTypeWrapper.EnsureLoadable(this.DeclaringType.GetClassLoader()).ClassObject,
|
|
(int)this.Modifiers | (this.IsInternal ? 0x40000000 : 0),
|
|
Array.IndexOf(this.DeclaringType.GetFields(), this),
|
|
this.DeclaringType.GetGenericFieldSignature(this),
|
|
null
|
|
);
|
|
}
|
|
lock (this)
|
|
{
|
|
if (reflectionField == null)
|
|
{
|
|
reflectionField = field;
|
|
}
|
|
else
|
|
{
|
|
field = reflectionField;
|
|
}
|
|
}
|
|
if (copy)
|
|
{
|
|
field = field.copy();
|
|
}
|
|
return field;
|
|
#endif // FIRST_PASS
|
|
}
|
|
#endif // !STATIC_COMPILER && !STUB_GENERATOR
|
|
|
|
[System.Security.SecurityCritical]
|
|
internal static FieldWrapper FromCookie(IntPtr cookie)
|
|
{
|
|
return (FieldWrapper)FromCookieImpl(cookie);
|
|
}
|
|
|
|
internal TypeWrapper FieldTypeWrapper
|
|
{
|
|
get
|
|
{
|
|
AssertLinked();
|
|
return fieldType;
|
|
}
|
|
}
|
|
|
|
#if !STUB_GENERATOR
|
|
internal void EmitGet(CodeEmitter ilgen)
|
|
{
|
|
AssertLinked();
|
|
EmitGetImpl(ilgen);
|
|
}
|
|
|
|
protected abstract void EmitGetImpl(CodeEmitter ilgen);
|
|
|
|
internal void EmitSet(CodeEmitter ilgen)
|
|
{
|
|
AssertLinked();
|
|
EmitSetImpl(ilgen);
|
|
}
|
|
|
|
protected abstract void EmitSetImpl(CodeEmitter ilgen);
|
|
#endif // !STUB_GENERATOR
|
|
|
|
internal void Link()
|
|
{
|
|
lock(this)
|
|
{
|
|
if(fieldType != null)
|
|
{
|
|
return;
|
|
}
|
|
}
|
|
TypeWrapper fld = this.DeclaringType.GetClassLoader().FieldTypeWrapperFromSigNoThrow(Signature);
|
|
lock(this)
|
|
{
|
|
try
|
|
{
|
|
// critical code in the finally block to avoid Thread.Abort interrupting the thread
|
|
}
|
|
finally
|
|
{
|
|
if(fieldType == null)
|
|
{
|
|
fieldType = fld;
|
|
UpdateNonPublicTypeInSignatureFlag();
|
|
try
|
|
{
|
|
field = this.DeclaringType.LinkField(this);
|
|
}
|
|
catch
|
|
{
|
|
// HACK if linking fails, we unlink to make sure
|
|
// that the next link attempt will fail again
|
|
fieldType = null;
|
|
throw;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
internal bool IsVolatile
|
|
{
|
|
get
|
|
{
|
|
return (Modifiers & Modifiers.Volatile) != 0;
|
|
}
|
|
}
|
|
|
|
internal static FieldWrapper Create(TypeWrapper declaringType, TypeWrapper fieldType, FieldInfo fi, string name, string sig, ExModifiers modifiers)
|
|
{
|
|
// volatile long & double field accesses must be made atomic
|
|
if((modifiers.Modifiers & Modifiers.Volatile) != 0 && (sig == "J" || sig == "D"))
|
|
{
|
|
return new VolatileLongDoubleFieldWrapper(declaringType, fieldType, fi, name, sig, modifiers);
|
|
}
|
|
return new SimpleFieldWrapper(declaringType, fieldType, fi, name, sig, modifiers);
|
|
}
|
|
|
|
#if !STATIC_COMPILER && !STUB_GENERATOR
|
|
internal virtual void ResolveField()
|
|
{
|
|
FieldBuilder fb = field as FieldBuilder;
|
|
if(fb != null)
|
|
{
|
|
field = field.Module.ResolveField(fb.GetToken().Token);
|
|
}
|
|
}
|
|
|
|
internal object GetFieldAccessorJNI()
|
|
{
|
|
#if FIRST_PASS
|
|
return null;
|
|
#else
|
|
if (jniAccessor == null)
|
|
{
|
|
jniAccessor = IKVM.NativeCode.sun.reflect.ReflectionFactory.NewFieldAccessorJNI(this);
|
|
}
|
|
return jniAccessor;
|
|
#endif
|
|
}
|
|
#endif // !STATIC_COMPILER && !STUB_GENERATOR
|
|
}
|
|
|
|
sealed class SimpleFieldWrapper : FieldWrapper
|
|
{
|
|
internal SimpleFieldWrapper(TypeWrapper declaringType, TypeWrapper fieldType, FieldInfo fi, string name, string sig, ExModifiers modifiers)
|
|
: base(declaringType, fieldType, name, sig, modifiers, fi)
|
|
{
|
|
Debug.Assert(!(fieldType == PrimitiveTypeWrapper.DOUBLE || fieldType == PrimitiveTypeWrapper.LONG) || !IsVolatile);
|
|
}
|
|
|
|
#if !STUB_GENERATOR
|
|
protected override void EmitGetImpl(CodeEmitter ilgen)
|
|
{
|
|
if(!IsStatic && DeclaringType.IsNonPrimitiveValueType)
|
|
{
|
|
ilgen.Emit(OpCodes.Unbox, DeclaringType.TypeAsTBD);
|
|
}
|
|
if(IsVolatile)
|
|
{
|
|
ilgen.Emit(OpCodes.Volatile);
|
|
}
|
|
ilgen.Emit(IsStatic ? OpCodes.Ldsfld : OpCodes.Ldfld, GetField());
|
|
}
|
|
|
|
protected override void EmitSetImpl(CodeEmitter ilgen)
|
|
{
|
|
FieldInfo fi = GetField();
|
|
if(!IsStatic && DeclaringType.IsNonPrimitiveValueType)
|
|
{
|
|
CodeEmitterLocal temp = ilgen.DeclareLocal(FieldTypeWrapper.TypeAsSignatureType);
|
|
ilgen.Emit(OpCodes.Stloc, temp);
|
|
ilgen.Emit(OpCodes.Unbox, DeclaringType.TypeAsTBD);
|
|
ilgen.Emit(OpCodes.Ldloc, temp);
|
|
}
|
|
if(IsVolatile)
|
|
{
|
|
ilgen.Emit(OpCodes.Volatile);
|
|
}
|
|
ilgen.Emit(IsStatic ? OpCodes.Stsfld : OpCodes.Stfld, fi);
|
|
if(IsVolatile)
|
|
{
|
|
ilgen.EmitMemoryBarrier();
|
|
}
|
|
}
|
|
#endif // !STUB_GENERATOR
|
|
}
|
|
|
|
sealed class VolatileLongDoubleFieldWrapper : FieldWrapper
|
|
{
|
|
internal VolatileLongDoubleFieldWrapper(TypeWrapper declaringType, TypeWrapper fieldType, FieldInfo fi, string name, string sig, ExModifiers modifiers)
|
|
: base(declaringType, fieldType, name, sig, modifiers, fi)
|
|
{
|
|
Debug.Assert(IsVolatile);
|
|
Debug.Assert(sig == "J" || sig == "D");
|
|
}
|
|
|
|
#if !STUB_GENERATOR
|
|
protected override void EmitGetImpl(CodeEmitter ilgen)
|
|
{
|
|
FieldInfo fi = GetField();
|
|
if(fi.IsStatic)
|
|
{
|
|
ilgen.Emit(OpCodes.Ldsflda, fi);
|
|
}
|
|
else
|
|
{
|
|
if(DeclaringType.IsNonPrimitiveValueType)
|
|
{
|
|
ilgen.Emit(OpCodes.Unbox, DeclaringType.TypeAsTBD);
|
|
}
|
|
ilgen.Emit(OpCodes.Ldflda, fi);
|
|
}
|
|
if(FieldTypeWrapper == PrimitiveTypeWrapper.DOUBLE)
|
|
{
|
|
ilgen.Emit(OpCodes.Call, ByteCodeHelperMethods.volatileReadDouble);
|
|
}
|
|
else
|
|
{
|
|
Debug.Assert(FieldTypeWrapper == PrimitiveTypeWrapper.LONG);
|
|
ilgen.Emit(OpCodes.Call, ByteCodeHelperMethods.volatileReadLong);
|
|
}
|
|
}
|
|
|
|
protected override void EmitSetImpl(CodeEmitter ilgen)
|
|
{
|
|
FieldInfo fi = GetField();
|
|
CodeEmitterLocal temp = ilgen.DeclareLocal(FieldTypeWrapper.TypeAsSignatureType);
|
|
ilgen.Emit(OpCodes.Stloc, temp);
|
|
if(fi.IsStatic)
|
|
{
|
|
ilgen.Emit(OpCodes.Ldsflda, fi);
|
|
}
|
|
else
|
|
{
|
|
if(DeclaringType.IsNonPrimitiveValueType)
|
|
{
|
|
ilgen.Emit(OpCodes.Unbox, DeclaringType.TypeAsTBD);
|
|
}
|
|
ilgen.Emit(OpCodes.Ldflda, fi);
|
|
}
|
|
ilgen.Emit(OpCodes.Ldloc, temp);
|
|
if(FieldTypeWrapper == PrimitiveTypeWrapper.DOUBLE)
|
|
{
|
|
ilgen.Emit(OpCodes.Call, ByteCodeHelperMethods.volatileWriteDouble);
|
|
}
|
|
else
|
|
{
|
|
Debug.Assert(FieldTypeWrapper == PrimitiveTypeWrapper.LONG);
|
|
ilgen.Emit(OpCodes.Call, ByteCodeHelperMethods.volatileWriteLong);
|
|
}
|
|
}
|
|
#endif // !STUB_GENERATOR
|
|
}
|
|
|
|
#if !STUB_GENERATOR
|
|
// this class represents a .NET property defined in Java with the ikvm.lang.Property annotation
|
|
sealed class DynamicPropertyFieldWrapper : FieldWrapper
|
|
{
|
|
private readonly MethodWrapper getter;
|
|
private readonly MethodWrapper setter;
|
|
private PropertyBuilder pb;
|
|
|
|
private MethodWrapper GetMethod(string name, string sig, bool isstatic)
|
|
{
|
|
if(name != null)
|
|
{
|
|
MethodWrapper mw = this.DeclaringType.GetMethodWrapper(name, sig, false);
|
|
if(mw != null && mw.IsStatic == isstatic)
|
|
{
|
|
mw.IsPropertyAccessor = true;
|
|
return mw;
|
|
}
|
|
Tracer.Error(Tracer.Compiler, "Property '{0}' accessor '{1}' not found in class '{2}'", this.Name, name, this.DeclaringType.Name);
|
|
}
|
|
return null;
|
|
}
|
|
|
|
internal DynamicPropertyFieldWrapper(TypeWrapper declaringType, ClassFile.Field fld)
|
|
: base(declaringType, null, fld.Name, fld.Signature, new ExModifiers(fld.Modifiers, fld.IsInternal), null)
|
|
{
|
|
getter = GetMethod(fld.PropertyGetter, "()" + fld.Signature, fld.IsStatic);
|
|
setter = GetMethod(fld.PropertySetter, "(" + fld.Signature + ")V", fld.IsStatic);
|
|
}
|
|
|
|
#if !STATIC_COMPILER && !FIRST_PASS
|
|
internal override void ResolveField()
|
|
{
|
|
if (getter != null)
|
|
{
|
|
getter.ResolveMethod();
|
|
}
|
|
if (setter != null)
|
|
{
|
|
setter.ResolveMethod();
|
|
}
|
|
}
|
|
#endif
|
|
|
|
internal PropertyBuilder GetPropertyBuilder()
|
|
{
|
|
AssertLinked();
|
|
return pb;
|
|
}
|
|
|
|
internal void DoLink(TypeBuilder tb)
|
|
{
|
|
if(getter != null)
|
|
{
|
|
getter.Link();
|
|
}
|
|
if(setter != null)
|
|
{
|
|
setter.Link();
|
|
}
|
|
pb = tb.DefineProperty(this.Name, PropertyAttributes.None, this.FieldTypeWrapper.TypeAsSignatureType, Type.EmptyTypes);
|
|
if(getter != null)
|
|
{
|
|
pb.SetGetMethod((MethodBuilder)getter.GetMethod());
|
|
}
|
|
if(setter != null)
|
|
{
|
|
pb.SetSetMethod((MethodBuilder)setter.GetMethod());
|
|
}
|
|
#if STATIC_COMPILER
|
|
AttributeHelper.SetModifiers(pb, this.Modifiers, this.IsInternal);
|
|
#endif
|
|
}
|
|
|
|
protected override void EmitGetImpl(CodeEmitter ilgen)
|
|
{
|
|
if(getter == null)
|
|
{
|
|
EmitThrowNoSuchMethodErrorForGetter(ilgen, this.FieldTypeWrapper, this.IsStatic);
|
|
}
|
|
else if(getter.IsStatic)
|
|
{
|
|
getter.EmitCall(ilgen);
|
|
}
|
|
else
|
|
{
|
|
getter.EmitCallvirt(ilgen);
|
|
}
|
|
}
|
|
|
|
internal static void EmitThrowNoSuchMethodErrorForGetter(CodeEmitter ilgen, TypeWrapper type, bool isStatic)
|
|
{
|
|
// HACK the branch around the throw is to keep the verifier happy
|
|
CodeEmitterLabel label = ilgen.DefineLabel();
|
|
ilgen.Emit(OpCodes.Ldc_I4_0);
|
|
ilgen.EmitBrtrue(label);
|
|
ilgen.EmitThrow("java.lang.NoSuchMethodError");
|
|
ilgen.MarkLabel(label);
|
|
if (!isStatic)
|
|
{
|
|
ilgen.Emit(OpCodes.Pop);
|
|
}
|
|
ilgen.Emit(OpCodes.Ldloc, ilgen.DeclareLocal(type.TypeAsLocalOrStackType));
|
|
}
|
|
|
|
protected override void EmitSetImpl(CodeEmitter ilgen)
|
|
{
|
|
if(setter == null)
|
|
{
|
|
if(this.IsFinal)
|
|
{
|
|
ilgen.Emit(OpCodes.Pop);
|
|
if(!this.IsStatic)
|
|
{
|
|
ilgen.Emit(OpCodes.Pop);
|
|
}
|
|
}
|
|
else
|
|
{
|
|
EmitThrowNoSuchMethodErrorForSetter(ilgen, this.IsStatic);
|
|
}
|
|
}
|
|
else if(setter.IsStatic)
|
|
{
|
|
setter.EmitCall(ilgen);
|
|
}
|
|
else
|
|
{
|
|
setter.EmitCallvirt(ilgen);
|
|
}
|
|
}
|
|
|
|
internal static void EmitThrowNoSuchMethodErrorForSetter(CodeEmitter ilgen, bool isStatic)
|
|
{
|
|
// HACK the branch around the throw is to keep the verifier happy
|
|
CodeEmitterLabel label = ilgen.DefineLabel();
|
|
ilgen.Emit(OpCodes.Ldc_I4_0);
|
|
ilgen.EmitBrtrue(label);
|
|
ilgen.EmitThrow("java.lang.NoSuchMethodError");
|
|
ilgen.MarkLabel(label);
|
|
ilgen.Emit(OpCodes.Pop);
|
|
if (!isStatic)
|
|
{
|
|
ilgen.Emit(OpCodes.Pop);
|
|
}
|
|
}
|
|
}
|
|
#endif // !STUB_GENERATOR
|
|
|
|
// this class represents a .NET property defined in Java with the ikvm.lang.Property annotation
|
|
sealed class CompiledPropertyFieldWrapper : FieldWrapper
|
|
{
|
|
private readonly PropertyInfo property;
|
|
|
|
internal CompiledPropertyFieldWrapper(TypeWrapper declaringType, PropertyInfo property, ExModifiers modifiers)
|
|
: base(declaringType, ClassLoaderWrapper.GetWrapperFromType(property.PropertyType), property.Name, ClassLoaderWrapper.GetWrapperFromType(property.PropertyType).SigName, modifiers, null)
|
|
{
|
|
this.property = property;
|
|
}
|
|
|
|
#if !STUB_GENERATOR
|
|
protected override void EmitGetImpl(CodeEmitter ilgen)
|
|
{
|
|
MethodInfo getter = property.GetGetMethod(true);
|
|
if(getter == null)
|
|
{
|
|
DynamicPropertyFieldWrapper.EmitThrowNoSuchMethodErrorForGetter(ilgen, this.FieldTypeWrapper, this.IsStatic);
|
|
}
|
|
else if(getter.IsStatic)
|
|
{
|
|
ilgen.Emit(OpCodes.Call, getter);
|
|
}
|
|
else
|
|
{
|
|
ilgen.Emit(OpCodes.Callvirt, getter);
|
|
}
|
|
}
|
|
|
|
protected override void EmitSetImpl(CodeEmitter ilgen)
|
|
{
|
|
MethodInfo setter = property.GetSetMethod(true);
|
|
if (setter == null)
|
|
{
|
|
if(this.IsFinal)
|
|
{
|
|
ilgen.Emit(OpCodes.Pop);
|
|
if(!this.IsStatic)
|
|
{
|
|
ilgen.Emit(OpCodes.Pop);
|
|
}
|
|
}
|
|
else
|
|
{
|
|
DynamicPropertyFieldWrapper.EmitThrowNoSuchMethodErrorForSetter(ilgen, this.IsStatic);
|
|
}
|
|
}
|
|
else if(setter.IsStatic)
|
|
{
|
|
ilgen.Emit(OpCodes.Call, setter);
|
|
}
|
|
else
|
|
{
|
|
ilgen.Emit(OpCodes.Callvirt, setter);
|
|
}
|
|
}
|
|
#endif // !STUB_GENERATOR
|
|
|
|
internal PropertyInfo GetProperty()
|
|
{
|
|
return property;
|
|
}
|
|
}
|
|
|
|
sealed class ConstantFieldWrapper : FieldWrapper
|
|
{
|
|
// NOTE this field wrapper can resprent a .NET enum, but in that case "constant" contains the raw constant value (i.e. the boxed underlying primitive value, not a boxed enum)
|
|
private object constant;
|
|
|
|
internal ConstantFieldWrapper(TypeWrapper declaringType, TypeWrapper fieldType, string name, string sig, Modifiers modifiers, FieldInfo field, object constant, MemberFlags flags)
|
|
: base(declaringType, fieldType, name, sig, modifiers, field, flags)
|
|
{
|
|
Debug.Assert(IsStatic);
|
|
Debug.Assert(constant == null || constant.GetType().IsPrimitive || constant is string);
|
|
this.constant = constant;
|
|
}
|
|
|
|
#if !STUB_GENERATOR
|
|
protected override void EmitGetImpl(CodeEmitter ilgen)
|
|
{
|
|
// Reading a field should trigger the cctor, but since we're inlining the value
|
|
// we have to trigger it explicitly
|
|
DeclaringType.EmitRunClassConstructor(ilgen);
|
|
|
|
// NOTE even though you're not supposed to access a constant static final (the compiler is supposed
|
|
// to inline them), we have to support it (because it does happen, e.g. if the field becomes final
|
|
// after the referencing class was compiled, or when we're accessing an unsigned primitive .NET field)
|
|
object v = GetConstantValue();
|
|
if(v == null)
|
|
{
|
|
ilgen.Emit(OpCodes.Ldnull);
|
|
}
|
|
else if(constant is int ||
|
|
constant is short ||
|
|
constant is ushort ||
|
|
constant is byte ||
|
|
constant is sbyte ||
|
|
constant is char ||
|
|
constant is bool)
|
|
{
|
|
ilgen.EmitLdc_I4(((IConvertible)constant).ToInt32(null));
|
|
}
|
|
else if(constant is string)
|
|
{
|
|
ilgen.Emit(OpCodes.Ldstr, (string)constant);
|
|
}
|
|
else if(constant is float)
|
|
{
|
|
ilgen.EmitLdc_R4((float)constant);
|
|
}
|
|
else if(constant is double)
|
|
{
|
|
ilgen.EmitLdc_R8((double)constant);
|
|
}
|
|
else if(constant is long)
|
|
{
|
|
ilgen.EmitLdc_I8((long)constant);
|
|
}
|
|
else if(constant is uint)
|
|
{
|
|
ilgen.EmitLdc_I4(unchecked((int)((IConvertible)constant).ToUInt32(null)));
|
|
}
|
|
else if(constant is ulong)
|
|
{
|
|
ilgen.EmitLdc_I8(unchecked((long)(ulong)constant));
|
|
}
|
|
else
|
|
{
|
|
throw new InvalidOperationException(constant.GetType().FullName);
|
|
}
|
|
}
|
|
|
|
protected override void EmitSetImpl(CodeEmitter ilgen)
|
|
{
|
|
// when constant static final fields are updated, the JIT normally doesn't see that (because the
|
|
// constant value is inlined), so we emulate that behavior by emitting a Pop
|
|
ilgen.Emit(OpCodes.Pop);
|
|
}
|
|
#endif // !STUB_GENERATOR
|
|
|
|
internal object GetConstantValue()
|
|
{
|
|
if(constant == null)
|
|
{
|
|
FieldInfo field = GetField();
|
|
constant = field.GetRawConstantValue();
|
|
}
|
|
return constant;
|
|
}
|
|
}
|
|
|
|
sealed class CompiledAccessStubFieldWrapper : FieldWrapper
|
|
{
|
|
private MethodInfo getter;
|
|
private MethodInfo setter;
|
|
|
|
private static Modifiers GetModifiers(PropertyInfo property)
|
|
{
|
|
// NOTE we only support the subset of modifiers that is expected for "access stub" properties
|
|
MethodInfo getter = property.GetGetMethod(true);
|
|
Modifiers modifiers = getter.IsPublic ? Modifiers.Public : Modifiers.Protected;
|
|
if(!property.CanWrite)
|
|
{
|
|
modifiers |= Modifiers.Final;
|
|
}
|
|
if(getter.IsStatic)
|
|
{
|
|
modifiers |= Modifiers.Static;
|
|
}
|
|
return modifiers;
|
|
}
|
|
|
|
// constructor for type 1 access stubs
|
|
internal CompiledAccessStubFieldWrapper(TypeWrapper wrapper, PropertyInfo property, TypeWrapper propertyType)
|
|
: this(wrapper, property, null, propertyType, GetModifiers(property), MemberFlags.HideFromReflection | MemberFlags.AccessStub)
|
|
{
|
|
}
|
|
|
|
// constructor for type 2 access stubs
|
|
internal CompiledAccessStubFieldWrapper(TypeWrapper wrapper, PropertyInfo property, FieldInfo field, TypeWrapper propertyType)
|
|
: this(wrapper, property, field, propertyType, AttributeHelper.GetModifiersAttribute(property).Modifiers, MemberFlags.AccessStub)
|
|
{
|
|
}
|
|
|
|
private CompiledAccessStubFieldWrapper(TypeWrapper wrapper, PropertyInfo property, FieldInfo field, TypeWrapper propertyType, Modifiers modifiers, MemberFlags flags)
|
|
: base(wrapper, propertyType, property.Name, propertyType.SigName, modifiers, field, flags)
|
|
{
|
|
this.getter = property.GetGetMethod(true);
|
|
this.setter = property.GetSetMethod(true);
|
|
}
|
|
|
|
#if !STUB_GENERATOR
|
|
protected override void EmitGetImpl(CodeEmitter ilgen)
|
|
{
|
|
ilgen.Emit(OpCodes.Call, getter);
|
|
}
|
|
|
|
protected override void EmitSetImpl(CodeEmitter ilgen)
|
|
{
|
|
ilgen.Emit(OpCodes.Call, setter);
|
|
}
|
|
#endif // !STUB_GENERATOR
|
|
}
|
|
}
|