зеркало из https://github.com/mono/ikvm-fork.git
1837 строки
47 KiB
C#
1837 строки
47 KiB
C#
/*
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Copyright (C) 2002, 2003, 2004, 2005, 2006, 2007 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.Reflection;
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#if !COMPACT_FRAMEWORK
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using System.Reflection.Emit;
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#endif
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using System.IO;
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using System.Collections;
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using System.Diagnostics;
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using System.Threading;
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using IKVM.Attributes;
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using IKVM.Runtime;
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namespace IKVM.Internal
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{
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abstract class TypeWrapperFactory
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{
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#if !COMPACT_FRAMEWORK
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internal abstract ModuleBuilder ModuleBuilder { get; }
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#endif
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internal abstract TypeWrapper DefineClassImpl(Hashtable types, ClassFile f, ClassLoaderWrapper classLoader, object protectionDomain);
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internal abstract bool ReserveName(string name);
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}
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class ClassLoaderWrapper
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{
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private static readonly object wrapperLock = new object();
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private static readonly Hashtable typeToTypeWrapper = Hashtable.Synchronized(new Hashtable());
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#if STATIC_COMPILER
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private static ClassLoaderWrapper bootstrapClassLoader;
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private TypeWrapperFactory factory;
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#else
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private static AssemblyClassLoader bootstrapClassLoader;
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#endif
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private static readonly Hashtable assemblyClassLoaders = new Hashtable();
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private static ArrayList genericClassLoaders;
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#if !STATIC_COMPILER && !FIRST_PASS
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private readonly java.lang.ClassLoader javaClassLoader;
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private static bool customClassLoaderRedirectsLoaded;
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private static Hashtable customClassLoaderRedirects;
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#endif
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protected Hashtable types = new Hashtable();
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private readonly Hashtable defineClassInProgress = new Hashtable();
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private ArrayList nativeLibraries;
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private CodeGenOptions codegenoptions;
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private static Hashtable remappedTypes = new Hashtable();
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#if STATIC_COMPILER
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// HACK this is used by the ahead-of-time compiler to overrule the bootstrap classloader
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internal static void SetBootstrapClassLoader(ClassLoaderWrapper bootstrapClassLoader)
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{
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Debug.Assert(ClassLoaderWrapper.bootstrapClassLoader == null);
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ClassLoaderWrapper.bootstrapClassLoader = bootstrapClassLoader;
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}
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#endif
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static ClassLoaderWrapper()
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{
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typeToTypeWrapper[PrimitiveTypeWrapper.BOOLEAN.TypeAsTBD] = PrimitiveTypeWrapper.BOOLEAN;
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typeToTypeWrapper[PrimitiveTypeWrapper.BYTE.TypeAsTBD] = PrimitiveTypeWrapper.BYTE;
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typeToTypeWrapper[PrimitiveTypeWrapper.CHAR.TypeAsTBD] = PrimitiveTypeWrapper.CHAR;
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typeToTypeWrapper[PrimitiveTypeWrapper.DOUBLE.TypeAsTBD] = PrimitiveTypeWrapper.DOUBLE;
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typeToTypeWrapper[PrimitiveTypeWrapper.FLOAT.TypeAsTBD] = PrimitiveTypeWrapper.FLOAT;
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typeToTypeWrapper[PrimitiveTypeWrapper.INT.TypeAsTBD] = PrimitiveTypeWrapper.INT;
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typeToTypeWrapper[PrimitiveTypeWrapper.LONG.TypeAsTBD] = PrimitiveTypeWrapper.LONG;
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typeToTypeWrapper[PrimitiveTypeWrapper.SHORT.TypeAsTBD] = PrimitiveTypeWrapper.SHORT;
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typeToTypeWrapper[PrimitiveTypeWrapper.VOID.TypeAsTBD] = PrimitiveTypeWrapper.VOID;
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LoadRemappedTypes();
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}
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internal static void LoadRemappedTypes()
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{
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// if we're compiling the core, coreAssembly will be null
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Assembly coreAssembly = JVM.CoreAssembly;
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if(coreAssembly != null)
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{
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Tracer.Info(Tracer.Runtime, "Core assembly: {0}", coreAssembly.Location);
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RemappedClassAttribute[] remapped = AttributeHelper.GetRemappedClasses(coreAssembly);
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if(remapped.Length > 0)
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{
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foreach(RemappedClassAttribute r in remapped)
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{
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Tracer.Info(Tracer.Runtime, "Remapping type {0} to {1}", r.RemappedType, r.Name);
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remappedTypes.Add(r.RemappedType, r.Name);
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}
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}
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else
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{
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JVM.CriticalFailure("Failed to find core classes in core library", null);
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}
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}
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}
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internal static int GetLoadedClassCount()
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{
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return typeToTypeWrapper.Count;
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}
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internal static bool IsCoreAssemblyType(Type type)
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{
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return type.Assembly == JVM.CoreAssembly;
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}
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internal ClassLoaderWrapper(CodeGenOptions codegenoptions, object javaClassLoader)
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{
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this.codegenoptions = codegenoptions;
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#if !STATIC_COMPILER && !FIRST_PASS
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this.javaClassLoader = (java.lang.ClassLoader)javaClassLoader;
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#endif
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}
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internal static bool IsDynamicType(Type type)
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{
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return typeToTypeWrapper[type] is DynamicTypeWrapper;
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}
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internal static bool IsRemappedType(Type type)
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{
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return remappedTypes.ContainsKey(type);
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}
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internal void SetRemappedType(Type type, TypeWrapper tw)
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{
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Debug.Assert(!types.ContainsKey(tw.Name));
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types.Add(tw.Name, tw);
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Debug.Assert(!typeToTypeWrapper.ContainsKey(type));
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typeToTypeWrapper.Add(type, tw);
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remappedTypes.Add(type, type);
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}
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// return the TypeWrapper if it is already loaded, this exists for DynamicTypeWrapper.SetupGhosts
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// and ClassLoader.findLoadedClass()
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internal virtual TypeWrapper GetLoadedClass(string name)
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{
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lock(types.SyncRoot)
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{
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return (TypeWrapper)types[name];
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}
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}
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internal TypeWrapper RegisterInitiatingLoader(TypeWrapper tw)
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{
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Debug.Assert(tw != null);
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Debug.Assert(!tw.IsUnloadable);
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Debug.Assert(!tw.IsPrimitive);
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lock(types.SyncRoot)
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{
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object existing = types[tw.Name];
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if(existing != tw)
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{
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if(existing != null)
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{
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// another thread beat us to it, discard the new TypeWrapper and
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// return the previous one
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return (TypeWrapper)existing;
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}
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// NOTE if types.ContainsKey(tw.Name) is true (i.e. the value is null),
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// we currently have a DefineClass in progress on another thread and we've
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// beaten that thread to the punch by loading the class from a parent class
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// loader instead. This is ok as DefineClass will throw a LinkageError when
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// it is done.
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types[tw.Name] = tw;
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}
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}
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return tw;
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}
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internal bool EmitDebugInfo
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{
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get
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{
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return (codegenoptions & CodeGenOptions.Debug) != 0;
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}
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}
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internal bool EmitStackTraceInfo
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{
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get
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{
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// NOTE we're negating the flag here!
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return (codegenoptions & CodeGenOptions.NoStackTraceInfo) == 0;
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}
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}
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internal bool StrictFinalFieldSemantics
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{
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get
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{
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return (codegenoptions & CodeGenOptions.StrictFinalFieldSemantics) != 0;
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}
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}
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internal bool NoJNI
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{
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get
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{
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return (codegenoptions & CodeGenOptions.NoJNI) != 0;
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}
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}
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internal virtual string SourcePath
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{
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get
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{
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return null;
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}
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}
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protected virtual void CheckDefineClassAllowed(string className)
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{
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// this hook exists so that AssemblyClassLoader can prevent DefineClass when the name is already present in the assembly
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}
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internal TypeWrapper DefineClass(ClassFile f, object protectionDomain)
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{
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string dotnetAssembly = f.IKVMAssemblyAttribute;
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if(dotnetAssembly != null)
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{
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// It's a stub class generated by ikvmstub (or generated by the runtime when getResource was
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// called on a statically compiled class).
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ClassLoaderWrapper loader;
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try
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{
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loader = ClassLoaderWrapper.GetAssemblyClassLoaderByName(dotnetAssembly);
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}
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catch(Exception x)
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{
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// TODO don't catch all exceptions here
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throw new NoClassDefFoundError(f.Name + " (" + x.Message + ")");
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}
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TypeWrapper tw = loader.LoadClassByDottedNameFast(f.Name);
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if(tw == null)
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{
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throw new NoClassDefFoundError(f.Name + " (type not found in " + dotnetAssembly + ")");
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}
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return RegisterInitiatingLoader(tw);
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}
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CheckDefineClassAllowed(f.Name);
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lock(types.SyncRoot)
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{
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if(types.ContainsKey(f.Name))
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{
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throw new LinkageError("duplicate class definition: " + f.Name);
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}
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// mark the type as "loading in progress", so that we can detect circular dependencies.
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types.Add(f.Name, null);
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defineClassInProgress.Add(f.Name, Thread.CurrentThread);
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}
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try
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{
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return GetTypeWrapperFactory().DefineClassImpl(types, f, this, protectionDomain);
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}
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finally
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{
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lock(types.SyncRoot)
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{
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if(types[f.Name] == null)
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{
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// if loading the class fails, we remove the indicator that we're busy loading the class,
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// because otherwise we get a ClassCircularityError if we try to load the class again.
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types.Remove(f.Name);
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}
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defineClassInProgress.Remove(f.Name);
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Monitor.PulseAll(types.SyncRoot);
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}
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}
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}
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internal TypeWrapperFactory GetTypeWrapperFactory()
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{
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#if COMPACT_FRAMEWORK
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throw new NoClassDefFoundError("Class loading is not supported on the Compact Framework");
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#elif STATIC_COMPILER
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if(factory == null)
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{
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factory = new DynamicClassLoader(((CompilerClassLoader)this).CreateModuleBuilder());
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}
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return factory;
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#else
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return DynamicClassLoader.Instance;
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#endif
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}
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internal TypeWrapper LoadClassByDottedName(string name)
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{
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TypeWrapper type = LoadClassByDottedNameFastImpl(name, true);
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if(type != null)
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{
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return RegisterInitiatingLoader(type);
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}
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throw new ClassNotFoundException(name);
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}
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internal TypeWrapper LoadClassByDottedNameFast(string name)
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{
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TypeWrapper type = LoadClassByDottedNameFastImpl(name, false);
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if(type != null)
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{
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return RegisterInitiatingLoader(type);
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}
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return null;
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}
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private TypeWrapper LoadClassByDottedNameFastImpl(string name, bool throwClassNotFoundException)
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{
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// .NET 1.1 has a limit of 1024 characters for type names
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if(name.Length >= 1024 || name.Length == 0)
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{
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return null;
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}
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Profiler.Enter("LoadClassByDottedName");
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try
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{
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TypeWrapper type;
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lock(types.SyncRoot)
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{
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type = (TypeWrapper)types[name];
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if(type == null)
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{
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object defineThread = defineClassInProgress[name];
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if(defineThread != null)
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{
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if(Thread.CurrentThread == defineThread)
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{
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throw new ClassCircularityError(name);
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}
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// the requested class is currently being defined by another thread,
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// so we have to wait on that
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while(defineClassInProgress.ContainsKey(name))
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{
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Monitor.Wait(types.SyncRoot);
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}
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type = (TypeWrapper)types[name];
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}
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}
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}
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if(type != null)
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{
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return type;
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}
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if(name.Length > 1 && name[0] == '[')
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{
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return LoadArrayClass(name);
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}
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return LoadClassImpl(name, throwClassNotFoundException);
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}
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finally
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{
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Profiler.Leave("LoadClassByDottedName");
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}
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}
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private TypeWrapper LoadArrayClass(string name)
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{
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int dims = 1;
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while(name[dims] == '[')
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{
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dims++;
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if(dims == name.Length)
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{
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// malformed class name
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return null;
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}
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}
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if(name[dims] == 'L')
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{
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if(!name.EndsWith(";") || name.Length <= dims + 2 || name[dims + 1] == '[')
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{
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// malformed class name
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return null;
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}
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string elemClass = name.Substring(dims + 1, name.Length - dims - 2);
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// NOTE it's important that we're registered as the initiating loader
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// for the element type here
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TypeWrapper type = LoadClassByDottedNameFast(elemClass);
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if(type != null)
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{
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type = type.GetClassLoader().CreateArrayType(name, type, dims);
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}
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return type;
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}
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if(name.Length != dims + 1)
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{
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// malformed class name
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return null;
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}
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switch(name[dims])
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{
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case 'B':
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return GetBootstrapClassLoader().CreateArrayType(name, PrimitiveTypeWrapper.BYTE, dims);
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case 'C':
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return GetBootstrapClassLoader().CreateArrayType(name, PrimitiveTypeWrapper.CHAR, dims);
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case 'D':
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return GetBootstrapClassLoader().CreateArrayType(name, PrimitiveTypeWrapper.DOUBLE, dims);
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case 'F':
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return GetBootstrapClassLoader().CreateArrayType(name, PrimitiveTypeWrapper.FLOAT, dims);
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case 'I':
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return GetBootstrapClassLoader().CreateArrayType(name, PrimitiveTypeWrapper.INT, dims);
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case 'J':
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return GetBootstrapClassLoader().CreateArrayType(name, PrimitiveTypeWrapper.LONG, dims);
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case 'S':
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return GetBootstrapClassLoader().CreateArrayType(name, PrimitiveTypeWrapper.SHORT, dims);
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case 'Z':
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return GetBootstrapClassLoader().CreateArrayType(name, PrimitiveTypeWrapper.BOOLEAN, dims);
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default:
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return null;
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}
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}
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internal TypeWrapper LoadGenericClass(string name)
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{
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// generic class name grammar:
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//
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// mangled(open_generic_type_name) "_$$$_" M(parameter_class_name) ( "_$$_" M(parameter_class_name) )* "_$$$$_"
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//
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// mangled() is the normal name mangling algorithm
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// M() is a replacement of "__" with "$$005F$$005F" followed by a replace of "." with "__"
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//
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int pos = name.IndexOf("_$$$_");
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if(pos <= 0 || !name.EndsWith("_$$$$_"))
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{
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return null;
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}
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Type type = GetType(DotNetTypeWrapper.DemangleTypeName(name.Substring(0, pos)));
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if(type == null || !Whidbey.IsGenericTypeDefinition(type))
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{
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return null;
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}
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ArrayList typeParamNames = new ArrayList();
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pos += 5;
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int start = pos;
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int nest = 0;
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for(;;)
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{
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pos = name.IndexOf("_$$", pos);
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if(pos == -1)
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{
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return null;
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}
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if(name.IndexOf("_$$_", pos, 4) == pos)
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{
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if(nest == 0)
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{
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typeParamNames.Add(name.Substring(start, pos - start));
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start = pos + 4;
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}
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pos += 4;
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}
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else if(name.IndexOf("_$$$_", pos, 5) == pos)
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{
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nest++;
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pos += 5;
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}
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else if(name.IndexOf("_$$$$_", pos, 6) == pos)
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{
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if(nest == 0)
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{
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if(pos + 6 != name.Length)
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{
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return null;
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}
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typeParamNames.Add(name.Substring(start, pos - start));
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break;
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}
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nest--;
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pos += 6;
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}
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else
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{
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pos += 3;
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}
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}
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Type[] typeArguments = new Type[typeParamNames.Count];
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for(int i = 0; i < typeArguments.Length; i++)
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{
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string s = (string)typeParamNames[i];
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// only do the unmangling for non-generic types (because we don't want to convert
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// the double underscores in two adjacent _$$$_ or _$$$$_ markers)
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if(s.IndexOf("_$$$_") == -1)
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{
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s = s.Replace("__", ".");
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s = s.Replace("$$005F$$005F", "__");
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}
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int dims = 0;
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while(s.Length > dims && s[dims] == 'A')
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{
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dims++;
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}
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if(s.Length == dims)
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{
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return null;
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}
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TypeWrapper tw = null;
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switch(s[dims])
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{
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case 'L':
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tw = LoadClassByDottedNameFast(s.Substring(dims + 1));
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tw.Finish();
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break;
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case 'Z':
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tw = PrimitiveTypeWrapper.BOOLEAN;
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break;
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case 'B':
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tw = PrimitiveTypeWrapper.BYTE;
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break;
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case 'S':
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tw = PrimitiveTypeWrapper.SHORT;
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break;
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case 'C':
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tw = PrimitiveTypeWrapper.CHAR;
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break;
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case 'I':
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tw = PrimitiveTypeWrapper.INT;
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break;
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case 'F':
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tw = PrimitiveTypeWrapper.FLOAT;
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break;
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case 'J':
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tw = PrimitiveTypeWrapper.LONG;
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break;
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case 'D':
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tw = PrimitiveTypeWrapper.DOUBLE;
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break;
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}
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if(tw == null)
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{
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return null;
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}
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if(dims > 0)
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{
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tw = tw.MakeArrayType(dims);
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}
|
|
typeArguments[i] = tw.TypeAsSignatureType;
|
|
}
|
|
try
|
|
{
|
|
type = Whidbey.MakeGenericType(type, typeArguments);
|
|
}
|
|
catch(ArgumentException)
|
|
{
|
|
// one of the typeArguments failed to meet the constraints
|
|
return null;
|
|
}
|
|
TypeWrapper wrapper = GetWrapperFromType(type);
|
|
if(wrapper != null && wrapper.Name != name)
|
|
{
|
|
// the name specified was not in canonical form
|
|
return null;
|
|
}
|
|
return wrapper;
|
|
}
|
|
|
|
protected virtual TypeWrapper LoadClassImpl(string name, bool throwClassNotFoundException)
|
|
{
|
|
TypeWrapper tw = LoadGenericClass(name);
|
|
if(tw != null)
|
|
{
|
|
return tw;
|
|
}
|
|
#if !STATIC_COMPILER && !FIRST_PASS
|
|
Profiler.Enter("ClassLoader.loadClass");
|
|
try
|
|
{
|
|
java.lang.Class c = javaClassLoader.loadClass(name);
|
|
if(c == null)
|
|
{
|
|
return null;
|
|
}
|
|
TypeWrapper type = TypeWrapper.FromClass(c);
|
|
if(type.Name != name)
|
|
{
|
|
// the class loader is trying to trick us
|
|
return null;
|
|
}
|
|
return type;
|
|
}
|
|
catch(java.lang.ClassNotFoundException x)
|
|
{
|
|
if(throwClassNotFoundException)
|
|
{
|
|
throw new ClassLoadingException(ikvm.runtime.Util.mapException(x));
|
|
}
|
|
return null;
|
|
}
|
|
catch(Exception x)
|
|
{
|
|
throw new ClassLoadingException(ikvm.runtime.Util.mapException(x));
|
|
}
|
|
finally
|
|
{
|
|
Profiler.Leave("ClassLoader.loadClass");
|
|
}
|
|
#else
|
|
return null;
|
|
#endif
|
|
}
|
|
|
|
// NOTE this method can actually return null if the resulting array type name would be too long
|
|
// for .NET to handle.
|
|
private TypeWrapper CreateArrayType(string name, TypeWrapper elementTypeWrapper, int dims)
|
|
{
|
|
Debug.Assert(new String('[', dims) + elementTypeWrapper.SigName == name);
|
|
Debug.Assert(!elementTypeWrapper.IsUnloadable && !elementTypeWrapper.IsVerifierType && !elementTypeWrapper.IsArray);
|
|
Debug.Assert(dims >= 1);
|
|
Type elementType = elementTypeWrapper.TypeAsArrayType;
|
|
// .NET 1.1 has a limit of 1024 characters for type names
|
|
if(elementType.FullName.Length >= 1024 - dims * 2)
|
|
{
|
|
return null;
|
|
}
|
|
return RegisterInitiatingLoader(new ArrayTypeWrapper(elementTypeWrapper, name));
|
|
}
|
|
|
|
internal object GetJavaClassLoader()
|
|
{
|
|
#if FIRST_PASS || STATIC_COMPILER
|
|
return null;
|
|
#else
|
|
return javaClassLoader;
|
|
#endif
|
|
}
|
|
|
|
internal TypeWrapper ExpressionTypeWrapper(string type)
|
|
{
|
|
Debug.Assert(!type.StartsWith("Lret;"));
|
|
Debug.Assert(type != "Lnull");
|
|
|
|
int index = 0;
|
|
return SigDecoderWrapper(ref index, type);
|
|
}
|
|
|
|
// NOTE this exposes potentially unfinished types
|
|
internal Type[] ArgTypeListFromSig(string sig)
|
|
{
|
|
if(sig[1] == ')')
|
|
{
|
|
#if COMPACT_FRAMEWORK
|
|
return new Type[0];
|
|
#else
|
|
return Type.EmptyTypes;
|
|
#endif
|
|
}
|
|
TypeWrapper[] wrappers = ArgTypeWrapperListFromSig(sig);
|
|
Type[] types = new Type[wrappers.Length];
|
|
for(int i = 0; i < wrappers.Length; i++)
|
|
{
|
|
types[i] = wrappers[i].TypeAsSignatureType;
|
|
}
|
|
return types;
|
|
}
|
|
|
|
// NOTE: this will ignore anything following the sig marker (so that it can be used to decode method signatures)
|
|
private TypeWrapper SigDecoderWrapper(ref int index, string sig)
|
|
{
|
|
switch(sig[index++])
|
|
{
|
|
case 'B':
|
|
return PrimitiveTypeWrapper.BYTE;
|
|
case 'C':
|
|
return PrimitiveTypeWrapper.CHAR;
|
|
case 'D':
|
|
return PrimitiveTypeWrapper.DOUBLE;
|
|
case 'F':
|
|
return PrimitiveTypeWrapper.FLOAT;
|
|
case 'I':
|
|
return PrimitiveTypeWrapper.INT;
|
|
case 'J':
|
|
return PrimitiveTypeWrapper.LONG;
|
|
case 'L':
|
|
{
|
|
int pos = index;
|
|
index = sig.IndexOf(';', index) + 1;
|
|
return LoadClassByDottedName(sig.Substring(pos, index - pos - 1));
|
|
}
|
|
case 'S':
|
|
return PrimitiveTypeWrapper.SHORT;
|
|
case 'Z':
|
|
return PrimitiveTypeWrapper.BOOLEAN;
|
|
case 'V':
|
|
return PrimitiveTypeWrapper.VOID;
|
|
case '[':
|
|
{
|
|
// TODO this can be optimized
|
|
string array = "[";
|
|
while(sig[index] == '[')
|
|
{
|
|
index++;
|
|
array += "[";
|
|
}
|
|
switch(sig[index])
|
|
{
|
|
case 'L':
|
|
{
|
|
int pos = index;
|
|
index = sig.IndexOf(';', index) + 1;
|
|
return LoadClassByDottedName(array + sig.Substring(pos, index - pos));
|
|
}
|
|
case 'B':
|
|
case 'C':
|
|
case 'D':
|
|
case 'F':
|
|
case 'I':
|
|
case 'J':
|
|
case 'S':
|
|
case 'Z':
|
|
return LoadClassByDottedName(array + sig[index++]);
|
|
default:
|
|
throw new InvalidOperationException(sig.Substring(index));
|
|
}
|
|
}
|
|
default:
|
|
throw new InvalidOperationException(sig.Substring(index));
|
|
}
|
|
}
|
|
|
|
internal TypeWrapper FieldTypeWrapperFromSig(string sig)
|
|
{
|
|
int index = 0;
|
|
return SigDecoderWrapper(ref index, sig);
|
|
}
|
|
|
|
internal TypeWrapper RetTypeWrapperFromSig(string sig)
|
|
{
|
|
int index = sig.IndexOf(')') + 1;
|
|
return SigDecoderWrapper(ref index, sig);
|
|
}
|
|
|
|
internal TypeWrapper[] ArgTypeWrapperListFromSig(string sig)
|
|
{
|
|
if(sig[1] == ')')
|
|
{
|
|
return TypeWrapper.EmptyArray;
|
|
}
|
|
ArrayList list = new ArrayList();
|
|
for(int i = 1; sig[i] != ')';)
|
|
{
|
|
list.Add(SigDecoderWrapper(ref i, sig));
|
|
}
|
|
TypeWrapper[] types = new TypeWrapper[list.Count];
|
|
list.CopyTo(types);
|
|
return types;
|
|
}
|
|
|
|
#if STATIC_COMPILER
|
|
internal static ClassLoaderWrapper GetBootstrapClassLoader()
|
|
#else
|
|
internal static AssemblyClassLoader GetBootstrapClassLoader()
|
|
#endif
|
|
{
|
|
lock(wrapperLock)
|
|
{
|
|
if(bootstrapClassLoader == null)
|
|
{
|
|
bootstrapClassLoader = new BootstrapClassLoader();
|
|
}
|
|
return bootstrapClassLoader;
|
|
}
|
|
}
|
|
|
|
#if !STATIC_COMPILER
|
|
internal static ClassLoaderWrapper GetClassLoaderWrapper(object javaClassLoader)
|
|
{
|
|
if(javaClassLoader == null)
|
|
{
|
|
return GetBootstrapClassLoader();
|
|
}
|
|
lock(wrapperLock)
|
|
{
|
|
ClassLoaderWrapper wrapper = (ClassLoaderWrapper)JVM.Library.getWrapperFromClassLoader(javaClassLoader);
|
|
if(wrapper == null)
|
|
{
|
|
CodeGenOptions opt = CodeGenOptions.None;
|
|
if(System.Diagnostics.Debugger.IsAttached)
|
|
{
|
|
opt |= CodeGenOptions.Debug;
|
|
}
|
|
wrapper = new ClassLoaderWrapper(opt, javaClassLoader);
|
|
JVM.Library.setWrapperForClassLoader(javaClassLoader, wrapper);
|
|
}
|
|
return wrapper;
|
|
}
|
|
}
|
|
#endif
|
|
|
|
internal static TypeWrapper GetWrapperFromType(Type type)
|
|
{
|
|
//Tracer.Info(Tracer.Runtime, "GetWrapperFromType: {0}", type.AssemblyQualifiedName);
|
|
TypeWrapper.AssertFinished(type);
|
|
Debug.Assert(!Whidbey.ContainsGenericParameters(type));
|
|
Debug.Assert(!type.IsPointer);
|
|
Debug.Assert(!type.IsByRef);
|
|
TypeWrapper wrapper = (TypeWrapper)typeToTypeWrapper[type];
|
|
if(wrapper != null)
|
|
{
|
|
return wrapper;
|
|
}
|
|
string remapped = (string)remappedTypes[type];
|
|
if(remapped != null)
|
|
{
|
|
wrapper = LoadClassCritical(remapped);
|
|
}
|
|
else if(IsVector(type))
|
|
{
|
|
// it might be an array of a dynamically compiled Java type
|
|
int rank = 1;
|
|
Type elem = type.GetElementType();
|
|
while(IsVector(elem))
|
|
{
|
|
rank++;
|
|
elem = elem.GetElementType();
|
|
}
|
|
wrapper = GetWrapperFromType(elem).MakeArrayType(rank);
|
|
}
|
|
else
|
|
{
|
|
// if the wrapper doesn't already exist, that must mean that the type
|
|
// is a .NET type (or a pre-compiled Java class), which means that it
|
|
// was "loaded" by an assembly classloader
|
|
wrapper = GetAssemblyClassLoader(type.Assembly).GetWrapperFromAssemblyType(type);
|
|
}
|
|
typeToTypeWrapper[type] = wrapper;
|
|
return wrapper;
|
|
}
|
|
|
|
internal static bool IsVector(Type type)
|
|
{
|
|
// NOTE it looks like there's no API to distinguish an array of rank 1 from a vector,
|
|
// so we check if the type name ends in [], which indicates it's a vector
|
|
// (non-vectors will have [*] or [,]).
|
|
return type.IsArray && type.Name.EndsWith("[]");
|
|
}
|
|
|
|
internal virtual Type GetType(string name)
|
|
{
|
|
return null;
|
|
}
|
|
|
|
internal static ClassLoaderWrapper GetGenericClassLoader(TypeWrapper wrapper)
|
|
{
|
|
Type type = wrapper.TypeAsTBD;
|
|
Debug.Assert(Whidbey.IsGenericType(type));
|
|
Debug.Assert(!Whidbey.ContainsGenericParameters(type));
|
|
|
|
ArrayList list = new ArrayList();
|
|
list.Add(GetAssemblyClassLoader(type.Assembly));
|
|
foreach(Type arg in Whidbey.GetGenericArguments(type))
|
|
{
|
|
ClassLoaderWrapper loader = GetWrapperFromType(arg).GetClassLoader();
|
|
if(!list.Contains(loader))
|
|
{
|
|
list.Add(loader);
|
|
}
|
|
}
|
|
ClassLoaderWrapper[] key = (ClassLoaderWrapper[])list.ToArray(typeof(ClassLoaderWrapper));
|
|
ClassLoaderWrapper matchingLoader = GetGenericClassLoaderByKey(key);
|
|
matchingLoader.RegisterInitiatingLoader(wrapper);
|
|
return matchingLoader;
|
|
}
|
|
|
|
private static ClassLoaderWrapper GetGenericClassLoaderByKey(ClassLoaderWrapper[] key)
|
|
{
|
|
lock(wrapperLock)
|
|
{
|
|
if(genericClassLoaders == null)
|
|
{
|
|
genericClassLoaders = new ArrayList();
|
|
}
|
|
foreach(GenericClassLoader loader in genericClassLoaders)
|
|
{
|
|
if(loader.Matches(key))
|
|
{
|
|
return loader;
|
|
}
|
|
}
|
|
object javaClassLoader = null;
|
|
#if !STATIC_COMPILER
|
|
javaClassLoader = JVM.Library.newAssemblyClassLoader(null);
|
|
#endif
|
|
GenericClassLoader newLoader = new GenericClassLoader(key, javaClassLoader);
|
|
#if !STATIC_COMPILER
|
|
JVM.Library.setWrapperForClassLoader(javaClassLoader, newLoader);
|
|
#endif
|
|
genericClassLoaders.Add(newLoader);
|
|
return newLoader;
|
|
}
|
|
}
|
|
|
|
internal static ClassLoaderWrapper GetGenericClassLoaderByName(string name)
|
|
{
|
|
Debug.Assert(name.StartsWith("[[") && name.EndsWith("]]"));
|
|
Stack stack = new Stack();
|
|
ArrayList list = null;
|
|
for(int i = 0; i < name.Length; i++)
|
|
{
|
|
if(name[i] == '[')
|
|
{
|
|
if(name[i + 1] == '[')
|
|
{
|
|
stack.Push(list);
|
|
list = new ArrayList();
|
|
if(name[i + 2] == '[')
|
|
{
|
|
i++;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
int start = i + 1;
|
|
i = name.IndexOf(']', i);
|
|
list.Add(ClassLoaderWrapper.GetAssemblyClassLoaderByName(name.Substring(start, i - start)));
|
|
}
|
|
}
|
|
else if(name[i] == ']')
|
|
{
|
|
ClassLoaderWrapper loader = GetGenericClassLoaderByKey((ClassLoaderWrapper[])list.ToArray(typeof(ClassLoaderWrapper)));
|
|
list = (ArrayList)stack.Pop();
|
|
if(list == null)
|
|
{
|
|
return loader;
|
|
}
|
|
list.Add(loader);
|
|
}
|
|
else
|
|
{
|
|
throw new InvalidOperationException();
|
|
}
|
|
}
|
|
throw new InvalidOperationException();
|
|
}
|
|
|
|
internal static ClassLoaderWrapper GetAssemblyClassLoaderByName(string name)
|
|
{
|
|
if(name.StartsWith("[["))
|
|
{
|
|
return GetGenericClassLoaderByName(name);
|
|
}
|
|
#if WHIDBEY && STATIC_COMPILER
|
|
return ClassLoaderWrapper.GetAssemblyClassLoader(Assembly.ReflectionOnlyLoad(name));
|
|
#else
|
|
return ClassLoaderWrapper.GetAssemblyClassLoader(Assembly.Load(name));
|
|
#endif
|
|
}
|
|
|
|
internal static int GetGenericClassLoaderId(ClassLoaderWrapper wrapper)
|
|
{
|
|
lock(wrapperLock)
|
|
{
|
|
return genericClassLoaders.IndexOf(wrapper);
|
|
}
|
|
}
|
|
|
|
internal static ClassLoaderWrapper GetGenericClassLoaderById(int id)
|
|
{
|
|
lock(wrapperLock)
|
|
{
|
|
return (ClassLoaderWrapper)genericClassLoaders[id];
|
|
}
|
|
}
|
|
|
|
// this method only supports .NET or pre-compiled Java assemblies
|
|
internal static AssemblyClassLoader GetAssemblyClassLoader(Assembly assembly)
|
|
{
|
|
#if !COMPACT_FRAMEWORK
|
|
Debug.Assert(!(assembly is AssemblyBuilder));
|
|
#endif // !COMPACT_FRAMEWORK
|
|
|
|
ConstructorInfo customClassLoaderCtor = null;
|
|
AssemblyClassLoader loader;
|
|
object javaClassLoader = null;
|
|
lock(wrapperLock)
|
|
{
|
|
loader = (AssemblyClassLoader)assemblyClassLoaders[assembly];
|
|
if(loader == null)
|
|
{
|
|
#if !STATIC_COMPILER && !FIRST_PASS
|
|
if(assembly == JVM.CoreAssembly)
|
|
{
|
|
return GetBootstrapClassLoader();
|
|
}
|
|
if(!Whidbey.ReflectionOnly(assembly))
|
|
{
|
|
Type customClassLoaderClass = null;
|
|
LoadCustomClassLoaderRedirects();
|
|
if(customClassLoaderRedirects != null)
|
|
{
|
|
string assemblyName = assembly.FullName;
|
|
foreach(DictionaryEntry de in customClassLoaderRedirects)
|
|
{
|
|
string asm = (string)de.Key;
|
|
// we only support matching on the assembly's simple name,
|
|
// because there appears to be no viable alternative.
|
|
// On .NET 2.0 there is AssemblyName.ReferenceMatchesDefinition()
|
|
// but it is broken (and .NET 2.0 specific).
|
|
if(assemblyName.StartsWith(asm + ","))
|
|
{
|
|
try
|
|
{
|
|
customClassLoaderClass = Type.GetType((string)de.Value, true);
|
|
}
|
|
catch(Exception x)
|
|
{
|
|
Tracer.Error(Tracer.Runtime, "Unable to load custom class loader {0} specified in app.config for assembly {1}: {2}", de.Value, assembly, x);
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
if(customClassLoaderClass == null)
|
|
{
|
|
object[] attribs = assembly.GetCustomAttributes(typeof(CustomAssemblyClassLoaderAttribute), false);
|
|
if(attribs.Length == 1)
|
|
{
|
|
customClassLoaderClass = ((CustomAssemblyClassLoaderAttribute)attribs[0]).Type;
|
|
}
|
|
}
|
|
if(customClassLoaderClass != null)
|
|
{
|
|
try
|
|
{
|
|
if(!customClassLoaderClass.IsPublic && !customClassLoaderClass.Assembly.Equals(assembly))
|
|
{
|
|
throw new Exception("Type not accessible");
|
|
}
|
|
// NOTE we're creating an uninitialized instance of the custom class loader here, so that getClassLoader will return the proper object
|
|
// when it is called during the construction of the custom class loader later on. This still doesn't make it safe to use the custom
|
|
// class loader before it is constructed, but at least the object instance is valid and should anyone cache it, they will get the
|
|
// right object to use later on.
|
|
// Note also that we're not running the constructor here, because we don't want to run user code while holding a global lock.
|
|
javaClassLoader = (java.lang.ClassLoader)System.Runtime.Serialization.FormatterServices.GetUninitializedObject(customClassLoaderClass);
|
|
customClassLoaderCtor = customClassLoaderClass.GetConstructor(BindingFlags.Instance | BindingFlags.Public | BindingFlags.NonPublic, null, new Type[] { typeof(Assembly) }, null);
|
|
if(customClassLoaderCtor == null)
|
|
{
|
|
javaClassLoader = null;
|
|
throw new Exception("No constructor");
|
|
}
|
|
if(!customClassLoaderCtor.IsPublic && !customClassLoaderClass.Assembly.Equals(assembly))
|
|
{
|
|
javaClassLoader = null;
|
|
throw new Exception("Constructor not accessible");
|
|
}
|
|
Tracer.Info(Tracer.Runtime, "Created custom assembly class loader {0} for assembly {1}", customClassLoaderClass.FullName, assembly);
|
|
}
|
|
catch(Exception x)
|
|
{
|
|
Tracer.Error(Tracer.Runtime, "Unable to create custom assembly class loader {0} for {1}: {2}", customClassLoaderClass.FullName, assembly, x);
|
|
}
|
|
}
|
|
}
|
|
if(javaClassLoader == null)
|
|
{
|
|
javaClassLoader = JVM.Library.newAssemblyClassLoader(assembly);
|
|
}
|
|
#endif
|
|
loader = new AssemblyClassLoader(assembly, javaClassLoader, customClassLoaderCtor != null);
|
|
assemblyClassLoaders[assembly] = loader;
|
|
#if !STATIC_COMPILER
|
|
if(customClassLoaderCtor != null)
|
|
{
|
|
loader.SetInitInProgress();
|
|
}
|
|
if(javaClassLoader != null)
|
|
{
|
|
JVM.Library.setWrapperForClassLoader(javaClassLoader, loader);
|
|
}
|
|
#endif
|
|
}
|
|
}
|
|
#if !STATIC_COMPILER && !FIRST_PASS
|
|
if(customClassLoaderCtor != null)
|
|
{
|
|
try
|
|
{
|
|
java.security.AccessController.doPrivileged(new CustomClassLoaderCtorCaller(customClassLoaderCtor, javaClassLoader, assembly));
|
|
}
|
|
finally
|
|
{
|
|
loader.SetInitDone();
|
|
}
|
|
}
|
|
loader.WaitInitDone();
|
|
#endif
|
|
return loader;
|
|
}
|
|
|
|
#if !STATIC_COMPILER && !FIRST_PASS
|
|
private static void LoadCustomClassLoaderRedirects()
|
|
{
|
|
// this method assumes that we hold a global lock
|
|
if(!customClassLoaderRedirectsLoaded)
|
|
{
|
|
customClassLoaderRedirectsLoaded = true;
|
|
try
|
|
{
|
|
foreach(string key in System.Configuration.ConfigurationSettings.AppSettings.AllKeys)
|
|
{
|
|
const string prefix = "ikvm-classloader:";
|
|
if(key.StartsWith(prefix))
|
|
{
|
|
if(customClassLoaderRedirects == null)
|
|
{
|
|
customClassLoaderRedirects = new Hashtable();
|
|
}
|
|
customClassLoaderRedirects[key.Substring(prefix.Length)] = System.Configuration.ConfigurationSettings.AppSettings.Get(key);
|
|
}
|
|
}
|
|
}
|
|
catch(Exception x)
|
|
{
|
|
Tracer.Error(Tracer.Runtime, "Error while reading custom class loader redirects: {0}", x);
|
|
}
|
|
}
|
|
}
|
|
|
|
sealed class CustomClassLoaderCtorCaller : java.security.PrivilegedAction
|
|
{
|
|
private ConstructorInfo ctor;
|
|
private object classLoader;
|
|
private Assembly assembly;
|
|
|
|
internal CustomClassLoaderCtorCaller(ConstructorInfo ctor, object classLoader, Assembly assembly)
|
|
{
|
|
this.ctor = ctor;
|
|
this.classLoader = classLoader;
|
|
this.assembly = assembly;
|
|
}
|
|
|
|
public object run()
|
|
{
|
|
ctor.Invoke(classLoader, new object[] { assembly });
|
|
return null;
|
|
}
|
|
}
|
|
#endif
|
|
|
|
internal static void SetWrapperForType(Type type, TypeWrapper wrapper)
|
|
{
|
|
TypeWrapper.AssertFinished(type);
|
|
Debug.Assert(!typeToTypeWrapper.ContainsKey(type));
|
|
typeToTypeWrapper.Add(type, wrapper);
|
|
}
|
|
|
|
internal static void ResetWrapperForType(Type type, TypeWrapper wrapper)
|
|
{
|
|
TypeWrapper.AssertFinished(type);
|
|
typeToTypeWrapper[type] = wrapper;
|
|
}
|
|
|
|
internal static TypeWrapper LoadClassCritical(string name)
|
|
{
|
|
try
|
|
{
|
|
return GetBootstrapClassLoader().LoadClassByDottedName(name);
|
|
}
|
|
catch(Exception x)
|
|
{
|
|
JVM.CriticalFailure("Loading of critical class failed", x);
|
|
return null;
|
|
}
|
|
}
|
|
|
|
internal void RegisterNativeLibrary(IntPtr p)
|
|
{
|
|
lock(this)
|
|
{
|
|
if(nativeLibraries == null)
|
|
{
|
|
nativeLibraries = new ArrayList();
|
|
}
|
|
nativeLibraries.Add(p);
|
|
}
|
|
}
|
|
|
|
internal IntPtr[] GetNativeLibraries()
|
|
{
|
|
lock(this)
|
|
{
|
|
if(nativeLibraries == null)
|
|
{
|
|
return new IntPtr[0];
|
|
}
|
|
return (IntPtr[])nativeLibraries.ToArray(typeof(IntPtr));
|
|
}
|
|
}
|
|
|
|
#if !STATIC_COMPILER && !FIRST_PASS
|
|
public override string ToString()
|
|
{
|
|
if(javaClassLoader == null)
|
|
{
|
|
return "null";
|
|
}
|
|
return String.Format("{0}@{1:X}", GetWrapperFromType(javaClassLoader.GetType()).Name, javaClassLoader.GetHashCode());
|
|
}
|
|
#endif
|
|
}
|
|
|
|
class GenericClassLoader : ClassLoaderWrapper
|
|
{
|
|
private ClassLoaderWrapper[] delegates;
|
|
|
|
internal GenericClassLoader(ClassLoaderWrapper[] delegates, object javaClassLoader)
|
|
: base(CodeGenOptions.None, javaClassLoader)
|
|
{
|
|
this.delegates = delegates;
|
|
}
|
|
|
|
internal bool Matches(ClassLoaderWrapper[] key)
|
|
{
|
|
if(key.Length == delegates.Length)
|
|
{
|
|
for(int i = 0; i < key.Length; i++)
|
|
{
|
|
if(key[i] != delegates[i])
|
|
{
|
|
return false;
|
|
}
|
|
}
|
|
return true;
|
|
}
|
|
return false;
|
|
}
|
|
|
|
internal override Type GetType(string name)
|
|
{
|
|
foreach(ClassLoaderWrapper loader in delegates)
|
|
{
|
|
Type t = loader.GetType(name);
|
|
if(t != null)
|
|
{
|
|
return t;
|
|
}
|
|
}
|
|
return null;
|
|
}
|
|
|
|
protected override TypeWrapper LoadClassImpl(string name, bool throwClassNotFoundException)
|
|
{
|
|
TypeWrapper tw = LoadGenericClass(name);
|
|
if(tw != null)
|
|
{
|
|
return tw;
|
|
}
|
|
foreach(ClassLoaderWrapper loader in delegates)
|
|
{
|
|
tw = loader.LoadClassByDottedNameFast(name);
|
|
if(tw != null)
|
|
{
|
|
return tw;
|
|
}
|
|
}
|
|
return null;
|
|
}
|
|
|
|
internal string GetName()
|
|
{
|
|
System.Text.StringBuilder sb = new System.Text.StringBuilder();
|
|
sb.Append('[');
|
|
foreach(ClassLoaderWrapper loader in delegates)
|
|
{
|
|
sb.Append('[');
|
|
GenericClassLoader gcl = loader as GenericClassLoader;
|
|
if(gcl != null)
|
|
{
|
|
sb.Append(gcl.GetName());
|
|
}
|
|
else
|
|
{
|
|
sb.Append(((AssemblyClassLoader)loader).Assembly.FullName);
|
|
}
|
|
sb.Append(']');
|
|
}
|
|
sb.Append(']');
|
|
return sb.ToString();
|
|
}
|
|
}
|
|
|
|
class AssemblyClassLoader : ClassLoaderWrapper
|
|
{
|
|
private Assembly assembly;
|
|
private AssemblyName[] references;
|
|
private AssemblyClassLoader[] delegates;
|
|
#if WHIDBEY
|
|
private bool isReflectionOnly;
|
|
#endif // WHIDBEY
|
|
private bool[] isJavaModule;
|
|
private Module[] modules;
|
|
private Hashtable nameMap;
|
|
private Thread initializerThread;
|
|
private bool hasDotNetModule;
|
|
private volatile object protectionDomain;
|
|
private bool hasCustomClassLoader;
|
|
|
|
internal AssemblyClassLoader(Assembly assembly, object javaClassLoader, bool hasCustomClassLoader)
|
|
: base(CodeGenOptions.None, javaClassLoader)
|
|
{
|
|
this.assembly = assembly;
|
|
modules = assembly.GetModules(false);
|
|
isJavaModule = new bool[modules.Length];
|
|
this.hasCustomClassLoader = hasCustomClassLoader;
|
|
#if WHIDBEY
|
|
isReflectionOnly = assembly.ReflectionOnly;
|
|
#endif // WHIDBEY
|
|
for(int i = 0; i < modules.Length; i++)
|
|
{
|
|
object[] attr = AttributeHelper.GetJavaModuleAttributes(modules[i]);
|
|
if(attr.Length > 0)
|
|
{
|
|
isJavaModule[i] = true;
|
|
foreach(JavaModuleAttribute jma in attr)
|
|
{
|
|
string[] map = jma.GetClassMap();
|
|
if(map != null)
|
|
{
|
|
if(nameMap == null)
|
|
{
|
|
nameMap = new Hashtable();
|
|
}
|
|
for(int j = 0; j < map.Length; j += 2)
|
|
{
|
|
string key = map[j];
|
|
string val = map[j + 1];
|
|
// TODO if there is a name clash between modules, this will throw.
|
|
// Figure out how to handle that.
|
|
nameMap.Add(key, val);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
else
|
|
{
|
|
hasDotNetModule = true;
|
|
}
|
|
}
|
|
references = assembly.GetReferencedAssemblies();
|
|
delegates = new AssemblyClassLoader[references.Length];
|
|
}
|
|
|
|
internal Assembly Assembly
|
|
{
|
|
get
|
|
{
|
|
return assembly;
|
|
}
|
|
}
|
|
|
|
internal override Type GetType(string name)
|
|
{
|
|
try
|
|
{
|
|
return assembly.GetType(name);
|
|
}
|
|
catch(FileLoadException x)
|
|
{
|
|
// this can only happen if the assembly was loaded in the ReflectionOnly
|
|
// context and the requested type references a type in another assembly
|
|
// that cannot be found in the ReflectionOnly context
|
|
// TODO figure out what other exceptions Assembly.GetType() can throw
|
|
Tracer.Info(Tracer.Runtime, x.Message);
|
|
}
|
|
return null;
|
|
}
|
|
|
|
private Type GetType(Module mod, string name)
|
|
{
|
|
try
|
|
{
|
|
return mod.GetType(name);
|
|
}
|
|
catch(FileLoadException x)
|
|
{
|
|
// this can only happen if the assembly was loaded in the ReflectionOnly
|
|
// context and the requested type references a type in another assembly
|
|
// that cannot be found in the ReflectionOnly context
|
|
// TODO figure out what other exceptions Assembly.GetType() can throw
|
|
Tracer.Info(Tracer.Runtime, x.Message);
|
|
}
|
|
return null;
|
|
}
|
|
|
|
private Type GetJavaType(Module mod, string name)
|
|
{
|
|
try
|
|
{
|
|
string n = null;
|
|
if(nameMap != null)
|
|
{
|
|
n = (string)nameMap[name];
|
|
}
|
|
Type t = GetType(mod, n != null ? n : name);
|
|
if(t == null)
|
|
{
|
|
n = name.Replace('$', '+');
|
|
if(!ReferenceEquals(n, name))
|
|
{
|
|
t = GetType(n);
|
|
}
|
|
}
|
|
if(t != null
|
|
&& !AttributeHelper.IsHideFromJava(t)
|
|
&& !t.IsArray
|
|
&& !t.IsPointer
|
|
&& !t.IsByRef)
|
|
{
|
|
return t;
|
|
}
|
|
}
|
|
catch(ArgumentException x)
|
|
{
|
|
// we can end up here because we replace the $ with a plus sign
|
|
// (or client code did a Class.forName() on an invalid name)
|
|
Tracer.Info(Tracer.Runtime, x.Message);
|
|
}
|
|
return null;
|
|
}
|
|
|
|
internal TypeWrapper DoLoad(string name)
|
|
{
|
|
for(int i = 0; i < modules.Length; i++)
|
|
{
|
|
if(isJavaModule[i])
|
|
{
|
|
Type type = GetJavaType(modules[i], name);
|
|
if(type != null)
|
|
{
|
|
// check the name to make sure that the canonical name was used
|
|
if(CompiledTypeWrapper.GetName(type) == name)
|
|
{
|
|
return RegisterInitiatingLoader(CompiledTypeWrapper.newInstance(name, type));
|
|
}
|
|
}
|
|
}
|
|
else
|
|
{
|
|
// TODO should we catch ArgumentException and prohibit array, pointer and byref here?
|
|
Type type = GetType(modules[i], DotNetTypeWrapper.DemangleTypeName(name));
|
|
if(type != null && DotNetTypeWrapper.IsAllowedOutside(type))
|
|
{
|
|
TypeWrapper tw = new DotNetTypeWrapper(type);
|
|
// check the name to make sure that the canonical name was used
|
|
if(tw.Name == name)
|
|
{
|
|
return RegisterInitiatingLoader(tw);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
if(hasDotNetModule)
|
|
{
|
|
// for manufactured types, we load the declaring outer type (the real one) and
|
|
// let that generated the manufactured nested classes
|
|
TypeWrapper outer = null;
|
|
if(name.EndsWith(DotNetTypeWrapper.DelegateInterfaceSuffix))
|
|
{
|
|
outer = DoLoad(name.Substring(0, name.Length - DotNetTypeWrapper.DelegateInterfaceSuffix.Length));
|
|
}
|
|
else if(name.EndsWith(DotNetTypeWrapper.AttributeAnnotationSuffix))
|
|
{
|
|
outer = DoLoad(name.Substring(0, name.Length - DotNetTypeWrapper.AttributeAnnotationSuffix.Length));
|
|
}
|
|
else if(name.EndsWith(DotNetTypeWrapper.AttributeAnnotationReturnValueSuffix))
|
|
{
|
|
outer = DoLoad(name.Substring(0, name.Length - DotNetTypeWrapper.AttributeAnnotationReturnValueSuffix.Length));
|
|
}
|
|
else if(name.EndsWith(DotNetTypeWrapper.AttributeAnnotationMultipleSuffix))
|
|
{
|
|
outer = DoLoad(name.Substring(0, name.Length - DotNetTypeWrapper.AttributeAnnotationMultipleSuffix.Length));
|
|
}
|
|
else if(name.EndsWith(DotNetTypeWrapper.EnumEnumSuffix))
|
|
{
|
|
outer = DoLoad(name.Substring(0, name.Length - DotNetTypeWrapper.EnumEnumSuffix.Length));
|
|
}
|
|
if(outer != null && (outer is DotNetTypeWrapper || outer.IsDynamicOnly))
|
|
{
|
|
foreach(TypeWrapper tw in outer.InnerClasses)
|
|
{
|
|
if(tw.Name == name)
|
|
{
|
|
return RegisterInitiatingLoader(tw);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
return null;
|
|
}
|
|
|
|
internal TypeWrapper GetWrapperFromAssemblyType(Type type)
|
|
{
|
|
//Tracer.Info(Tracer.Runtime, "GetWrapperFromAssemblyType: {0}", type.FullName);
|
|
Debug.Assert(!type.Name.EndsWith("[]"), "!type.IsArray", type.FullName);
|
|
Debug.Assert(type.Assembly == assembly);
|
|
#if !COMPACT_FRAMEWORK
|
|
Debug.Assert(!(type.Assembly is AssemblyBuilder), "!(type.Assembly is AssemblyBuilder)", type.FullName);
|
|
#endif
|
|
Module mod = type.Module;
|
|
int moduleIndex = -1;
|
|
for(int i = 0; i < modules.Length; i++)
|
|
{
|
|
if(modules[i] == mod)
|
|
{
|
|
moduleIndex = i;
|
|
break;
|
|
}
|
|
}
|
|
string name;
|
|
if(isJavaModule[moduleIndex])
|
|
{
|
|
name = CompiledTypeWrapper.GetName(type);
|
|
}
|
|
else
|
|
{
|
|
name = DotNetTypeWrapper.GetName(type);
|
|
if(name == null)
|
|
{
|
|
return null;
|
|
}
|
|
}
|
|
TypeWrapper wrapper;
|
|
lock(types.SyncRoot)
|
|
{
|
|
wrapper = (TypeWrapper)types[name];
|
|
}
|
|
if(wrapper != null)
|
|
{
|
|
if(wrapper.TypeAsTBD != type && (!wrapper.IsRemapped || wrapper.TypeAsBaseType != type))
|
|
{
|
|
// this really shouldn't happen, it means that we have two different types in our assembly that both
|
|
// have the same Java name
|
|
string msg = String.Format("\nType \"{0}\" and \"{1}\" both map to the same name \"{2}\".\n", type.FullName, wrapper.TypeAsTBD.FullName, name);
|
|
JVM.CriticalFailure(msg, null);
|
|
}
|
|
return wrapper;
|
|
}
|
|
else
|
|
{
|
|
if(isJavaModule[moduleIndex])
|
|
{
|
|
if(AttributeHelper.IsHideFromJava(type))
|
|
{
|
|
return null;
|
|
}
|
|
// since this type was compiled from Java source, we have to look for our
|
|
// attributes
|
|
return RegisterInitiatingLoader(CompiledTypeWrapper.newInstance(name, type));
|
|
}
|
|
else
|
|
{
|
|
if(!DotNetTypeWrapper.IsAllowedOutside(type))
|
|
{
|
|
return null;
|
|
}
|
|
// since this type was not compiled from Java source, we don't need to
|
|
// look for our attributes, but we do need to filter unrepresentable
|
|
// stuff (and transform some other stuff)
|
|
return RegisterInitiatingLoader(new DotNetTypeWrapper(type));
|
|
}
|
|
}
|
|
}
|
|
|
|
protected override TypeWrapper LoadClassImpl(string name, bool throwClassNotFoundException)
|
|
{
|
|
TypeWrapper tw = DoLoad(name);
|
|
if(tw != null)
|
|
{
|
|
return tw;
|
|
}
|
|
if(hasCustomClassLoader)
|
|
{
|
|
return base.LoadClassImpl(name, throwClassNotFoundException);
|
|
}
|
|
else
|
|
{
|
|
tw = LoadGenericClass(name);
|
|
if(tw != null)
|
|
{
|
|
return tw;
|
|
}
|
|
return LoadReferenced(name);
|
|
}
|
|
}
|
|
|
|
internal TypeWrapper LoadReferenced(string name)
|
|
{
|
|
for(int i = 0; i < delegates.Length; i++)
|
|
{
|
|
if(delegates[i] == null)
|
|
{
|
|
Assembly asm = null;
|
|
try
|
|
{
|
|
// TODO consider throttling the Load attempts (or caching failure)
|
|
#if WHIDBEY
|
|
if(isReflectionOnly)
|
|
{
|
|
asm = Assembly.ReflectionOnlyLoad(references[i].FullName);
|
|
}
|
|
else
|
|
#endif
|
|
{
|
|
asm = Assembly.Load(references[i]);
|
|
}
|
|
}
|
|
catch
|
|
{
|
|
}
|
|
if(asm != null)
|
|
{
|
|
delegates[i] = ClassLoaderWrapper.GetAssemblyClassLoader(asm);
|
|
}
|
|
}
|
|
if(delegates[i] != null)
|
|
{
|
|
TypeWrapper tw = delegates[i].DoLoad(name);
|
|
if(tw != null)
|
|
{
|
|
return tw;
|
|
}
|
|
}
|
|
}
|
|
bool isJava = false;
|
|
for(int i = 0; i < isJavaModule.Length; i++)
|
|
{
|
|
if(isJavaModule[i])
|
|
{
|
|
isJava = true;
|
|
break;
|
|
}
|
|
}
|
|
if(!isJava)
|
|
{
|
|
return GetBootstrapClassLoader().LoadClassByDottedNameFast(name);
|
|
}
|
|
return null;
|
|
}
|
|
|
|
#if !STATIC_COMPILER
|
|
internal Assembly[] FindResourceAssemblies(string name, bool firstOnly)
|
|
{
|
|
ArrayList list = null;
|
|
name = JVM.MangleResourceName(name);
|
|
if(assembly.GetManifestResourceInfo(name) != null)
|
|
{
|
|
if(firstOnly)
|
|
{
|
|
return new Assembly[] { assembly };
|
|
}
|
|
list = new ArrayList();
|
|
list.Add(assembly);
|
|
}
|
|
for(int i = 0; i < delegates.Length; i++)
|
|
{
|
|
if(delegates[i] == null)
|
|
{
|
|
Assembly asm = null;
|
|
try
|
|
{
|
|
// TODO consider throttling the Load attempts (or caching failure)
|
|
#if WHIDBEY
|
|
if(isReflectionOnly)
|
|
{
|
|
asm = Assembly.ReflectionOnlyLoad(references[i].FullName);
|
|
}
|
|
else
|
|
#endif
|
|
{
|
|
asm = Assembly.Load(references[i]);
|
|
}
|
|
}
|
|
catch
|
|
{
|
|
}
|
|
if(asm != null)
|
|
{
|
|
delegates[i] = ClassLoaderWrapper.GetAssemblyClassLoader(asm);
|
|
}
|
|
}
|
|
if(delegates[i] != null)
|
|
{
|
|
if(delegates[i].Assembly.GetManifestResourceInfo(name) != null)
|
|
{
|
|
if(firstOnly)
|
|
{
|
|
return new Assembly[] { delegates[i].Assembly };
|
|
}
|
|
if(list == null)
|
|
{
|
|
list = new ArrayList();
|
|
}
|
|
list.Add(delegates[i].Assembly);
|
|
}
|
|
}
|
|
}
|
|
bool isJava = false;
|
|
for(int i = 0; i < isJavaModule.Length; i++)
|
|
{
|
|
if(isJavaModule[i])
|
|
{
|
|
isJava = true;
|
|
break;
|
|
}
|
|
}
|
|
if(!isJava)
|
|
{
|
|
Assembly asm = GetBootstrapClassLoader().Assembly;
|
|
if(asm.GetManifestResourceInfo(name) != null)
|
|
{
|
|
if(firstOnly)
|
|
{
|
|
return new Assembly[] { asm };
|
|
}
|
|
if(list == null)
|
|
{
|
|
list = new ArrayList();
|
|
}
|
|
if(!list.Contains(asm))
|
|
{
|
|
list.Add(asm);
|
|
}
|
|
}
|
|
}
|
|
if(list == null)
|
|
{
|
|
return null;
|
|
}
|
|
return (Assembly[])list.ToArray(typeof(Assembly));
|
|
}
|
|
|
|
internal void SetInitInProgress()
|
|
{
|
|
initializerThread = Thread.CurrentThread;
|
|
}
|
|
|
|
internal void SetInitDone()
|
|
{
|
|
lock(this)
|
|
{
|
|
initializerThread = null;
|
|
Monitor.PulseAll(this);
|
|
}
|
|
}
|
|
|
|
internal void WaitInitDone()
|
|
{
|
|
lock(this)
|
|
{
|
|
if(initializerThread != Thread.CurrentThread)
|
|
{
|
|
while(initializerThread != null)
|
|
{
|
|
Monitor.Wait(this);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
#endif // !STATIC_COMPILER
|
|
|
|
internal virtual object GetProtectionDomain()
|
|
{
|
|
if(protectionDomain == null)
|
|
{
|
|
#if !STATIC_COMPILER && !FIRST_PASS
|
|
java.net.URL codebase;
|
|
try
|
|
{
|
|
codebase = new java.net.URL(assembly.CodeBase);
|
|
}
|
|
catch(java.net.MalformedURLException)
|
|
{
|
|
codebase = null;
|
|
}
|
|
java.security.Permissions permissions = new java.security.Permissions();
|
|
permissions.add(new java.security.AllPermission());
|
|
object pd = new java.security.ProtectionDomain(new java.security.CodeSource(codebase, (java.security.cert.Certificate[])null), permissions, (java.lang.ClassLoader)GetJavaClassLoader(), null);
|
|
lock(this)
|
|
{
|
|
if(protectionDomain == null)
|
|
{
|
|
protectionDomain = pd;
|
|
}
|
|
}
|
|
#endif
|
|
}
|
|
return protectionDomain;
|
|
}
|
|
|
|
protected override void CheckDefineClassAllowed(string className)
|
|
{
|
|
if(DoLoad(className) != null)
|
|
{
|
|
throw new LinkageError("duplicate class definition: " + className);
|
|
}
|
|
}
|
|
|
|
internal override TypeWrapper GetLoadedClass(string name)
|
|
{
|
|
TypeWrapper tw = base.GetLoadedClass(name);
|
|
return tw != null ? tw : DoLoad(name);
|
|
}
|
|
}
|
|
|
|
class BootstrapClassLoader : AssemblyClassLoader
|
|
{
|
|
internal BootstrapClassLoader()
|
|
: base(JVM.CoreAssembly, null, false)
|
|
{
|
|
}
|
|
|
|
internal override object GetProtectionDomain()
|
|
{
|
|
return null;
|
|
}
|
|
}
|
|
}
|