private static void EmitConversion(CodeEmitter ilgen, Type converterType, string method)
{
CodeEmitterLocal converter = ilgen.UnsafeAllocTempLocal(converterType);
ilgen.Emit(OpCodes.Ldloca, converter);
ilgen.Emit(OpCodes.Call, converterType.GetMethod(method));
}
internal static bool Emit(DynamicTypeWrapper.FinishContext context, ClassFile classFile, int constantPoolIndex, ClassFile.ConstantPoolItemInvokeDynamic cpi, CodeEmitter ilgen)
{
#if !WINRT
ClassFile.BootstrapMethod bsm = classFile.GetBootstrapMethod(cpi.BootstrapMethod);
if (!IsLambdaMetafactory(classFile, bsm) && !IsLambdaAltMetafactory(classFile, bsm))
{
return(false);
}
LambdaMetafactory lmf = context.GetValue <LambdaMetafactory>(constantPoolIndex);
if (lmf.ctor == null && !lmf.EmitImpl(context, classFile, cpi, bsm, ilgen))
{
#if STATIC_COMPILER
if (context.TypeWrapper.GetClassLoader().DisableDynamicBinding)
{
StaticCompiler.IssueMessage(Message.UnableToCreateLambdaFactory);
}
#endif
return(false);
}
ilgen.Emit(OpCodes.Newobj, lmf.ctor);
// the CLR verification rules about type merging mean we have to explicitly cast to the interface type here
ilgen.Emit(OpCodes.Castclass, cpi.GetRetType().TypeAsBaseType);
return(true);
#else
throw new NotImplementedException();
#endif
}
internal static bool Emit(DynamicTypeWrapper.FinishContext context, TypeWrapper wrapper, CodeEmitter ilgen, ClassFile classFile, int i, ClassFile.Method.Instruction[] code, InstructionFlags[] flags)
{
if (i >= 3
&& (flags[i - 0] & InstructionFlags.BranchTarget) == 0
&& (flags[i - 1] & InstructionFlags.BranchTarget) == 0
&& (flags[i - 2] & InstructionFlags.BranchTarget) == 0
&& (flags[i - 3] & InstructionFlags.BranchTarget) == 0
&& code[i - 1].NormalizedOpCode == NormalizedByteCode.__ldc_nothrow
&& code[i - 2].NormalizedOpCode == NormalizedByteCode.__ldc
&& code[i - 3].NormalizedOpCode == NormalizedByteCode.__ldc)
{
// we now have a structural match, now we need to make sure that the argument values are what we expect
TypeWrapper tclass = classFile.GetConstantPoolClassType(code[i - 3].Arg1);
TypeWrapper vclass = classFile.GetConstantPoolClassType(code[i - 2].Arg1);
string fieldName = classFile.GetConstantPoolConstantString(code[i - 1].Arg1);
if (tclass == wrapper && !vclass.IsUnloadable && !vclass.IsPrimitive && !vclass.IsNonPrimitiveValueType)
{
FieldWrapper field = wrapper.GetFieldWrapper(fieldName, vclass.SigName);
if (field != null && !field.IsStatic && field.IsVolatile && field.DeclaringType == wrapper && field.FieldTypeWrapper == vclass)
{
// everything matches up, now call the actual emitter
ilgen.Emit(OpCodes.Pop);
ilgen.Emit(OpCodes.Pop);
ilgen.Emit(OpCodes.Pop);
ilgen.Emit(OpCodes.Newobj, context.GetAtomicReferenceFieldUpdater(field));
return true;
}
}
}
return false;
}
private static ConstructorBuilder DefineThreadLocalType(DynamicTypeWrapper.FinishContext context, int opcodeIndex, MethodWrapper caller)
{
TypeWrapper threadLocal = ClassLoaderWrapper.LoadClassCritical("ikvm.internal.IntrinsicThreadLocal");
TypeBuilder tb = caller.DeclaringType.TypeAsBuilder.DefineNestedType("__<tls>_" + opcodeIndex, TypeAttributes.NestedPrivate | TypeAttributes.Sealed, threadLocal.TypeAsBaseType);
FieldBuilder fb = tb.DefineField("field", Types.Object, FieldAttributes.Private | FieldAttributes.Static);
fb.SetCustomAttribute(new CustomAttributeBuilder(JVM.Import(typeof(ThreadStaticAttribute)).GetConstructor(Type.EmptyTypes), new object[0]));
MethodBuilder mbGet = tb.DefineMethod("get", MethodAttributes.Public | MethodAttributes.Virtual | MethodAttributes.Final, Types.Object, Type.EmptyTypes);
ILGenerator ilgen = mbGet.GetILGenerator();
ilgen.Emit(OpCodes.Ldsfld, fb);
ilgen.Emit(OpCodes.Ret);
MethodBuilder mbSet = tb.DefineMethod("set", MethodAttributes.Public | MethodAttributes.Virtual | MethodAttributes.Final, null, new Type[] { Types.Object });
ilgen = mbSet.GetILGenerator();
ilgen.Emit(OpCodes.Ldarg_1);
ilgen.Emit(OpCodes.Stsfld, fb);
ilgen.Emit(OpCodes.Ret);
ConstructorBuilder cb = tb.DefineConstructor(MethodAttributes.Assembly, CallingConventions.Standard, Type.EmptyTypes);
CodeEmitter ctorilgen = CodeEmitter.Create(cb);
ctorilgen.Emit(OpCodes.Ldarg_0);
MethodWrapper basector = threadLocal.GetMethodWrapper("<init>", "()V", false);
basector.Link();
basector.EmitCall(ctorilgen);
ctorilgen.Emit(OpCodes.Ret);
ctorilgen.DoEmit();
context.RegisterPostFinishProc(delegate
{
threadLocal.Finish();
tb.CreateType();
});
return(cb);
}
private static bool Object_getClass(DynamicTypeWrapper.FinishContext context, CodeEmitter ilgen, MethodWrapper method, MethodAnalyzer ma, int opcodeIndex, MethodWrapper caller, ClassFile classFile, Instruction[] code, InstructionFlags[] flags)
{
// this is the null-check idiom that javac uses (both in its own source and in the code it generates)
if (code[opcodeIndex + 1].NormalizedOpCode == NormalizedByteCode.__pop)
{
ilgen.Emit(OpCodes.Dup);
ilgen.EmitNullCheck();
return(true);
}
// this optimizes obj1.getClass() ==/!= obj2.getClass()
else if (opcodeIndex + 3 < code.Length &&
(flags[opcodeIndex + 1] & InstructionFlags.BranchTarget) == 0 &&
(flags[opcodeIndex + 2] & InstructionFlags.BranchTarget) == 0 &&
(flags[opcodeIndex + 3] & InstructionFlags.BranchTarget) == 0 &&
code[opcodeIndex + 1].NormalizedOpCode == NormalizedByteCode.__aload &&
code[opcodeIndex + 2].NormalizedOpCode == NormalizedByteCode.__invokevirtual &&
(code[opcodeIndex + 3].NormalizedOpCode == NormalizedByteCode.__if_acmpeq || code[opcodeIndex + 3].NormalizedOpCode == NormalizedByteCode.__if_acmpne) &&
(IsSafeForGetClassOptimization(ma.GetStackTypeWrapper(opcodeIndex, 0)) || IsSafeForGetClassOptimization(ma.GetStackTypeWrapper(opcodeIndex + 2, 0))))
{
ClassFile.ConstantPoolItemMI cpi = classFile.GetMethodref(code[opcodeIndex + 2].Arg1);
if (cpi.Class == "java.lang.Object" && cpi.Name == "getClass" && cpi.Signature == "()Ljava.lang.Class;")
{
// we can't patch the current opcode, so we have to emit the first call to GetTypeHandle here
ilgen.Emit(OpCodes.Callvirt, Compiler.getTypeMethod);
code[opcodeIndex + 2].PatchOpCode(NormalizedByteCode.__intrinsic_gettype);
return(true);
}
}
return(false);
}
internal static void AddGetObjectData(TypeBuilder tb)
{
string name = tb.IsSealed
? "System.Runtime.Serialization.ISerializable.GetObjectData"
: "GetObjectData";
MethodAttributes attr = tb.IsSealed
? MethodAttributes.Private | MethodAttributes.Virtual | MethodAttributes.NewSlot | MethodAttributes.Final
: MethodAttributes.Family | MethodAttributes.Virtual | MethodAttributes.NewSlot | MethodAttributes.CheckAccessOnOverride;
tb.AddInterfaceImplementation(JVM.Import(typeof(ISerializable)));
MethodBuilder getObjectData = tb.DefineMethod(name, attr, null,
new Type[] { JVM.Import(typeof(SerializationInfo)), JVM.Import(typeof(StreamingContext)) });
getObjectData.SetCustomAttribute(securityCriticalAttribute);
AttributeHelper.HideFromJava(getObjectData);
//TODO: We need to review this for .NET Core
//getObjectData.AddDeclarativeSecurity(SecurityAction.Demand, psetSerializationFormatter);
tb.DefineMethodOverride(getObjectData, JVM.Import(typeof(ISerializable)).GetMethod("GetObjectData"));
CodeEmitter ilgen = CodeEmitter.Create(getObjectData);
ilgen.Emit(OpCodes.Ldarg_0);
ilgen.Emit(OpCodes.Ldarg_1);
TypeWrapper serializationHelper = ClassLoaderWrapper.LoadClassCritical("ikvm.internal.Serialization");
MethodWrapper mw = serializationHelper.GetMethodWrapper("writeObject", "(Ljava.lang.Object;Lcli.System.Runtime.Serialization.SerializationInfo;)V", false);
mw.Link();
mw.EmitCall(ilgen);
ilgen.Emit(OpCodes.Ret);
ilgen.DoEmit();
}
private static void CreateConstructor(TypeBuilder tb)
{
CodeEmitter ilgen = CodeEmitter.Create(ReflectUtil.DefineConstructor(tb, MethodAttributes.Public, new Type[] { invocationHandlerClass.TypeAsSignatureType }));
ilgen.Emit(OpCodes.Ldarg_0);
ilgen.Emit(OpCodes.Ldarg_1);
proxyConstructor.EmitCall(ilgen);
ilgen.Emit(OpCodes.Ret);
ilgen.DoEmit();
}
private static void AddReadResolve(DynamicTypeWrapper wrapper, TypeBuilder tb)
{
MethodWrapper mw = wrapper.GetMethodWrapper("readResolve", "()Ljava.lang.Object;", false);
if (mw != null && !wrapper.IsSubTypeOf(iobjectreference))
{
tb.AddInterfaceImplementation(JVM.Import(typeof(IObjectReference)));
MethodBuilder getRealObject = tb.DefineMethod("IObjectReference.GetRealObject", MethodAttributes.Private | MethodAttributes.Virtual | MethodAttributes.NewSlot | MethodAttributes.Final,
Types.Object, new Type[] { JVM.Import(typeof(StreamingContext)) });
getRealObject.SetCustomAttribute(securityCriticalAttribute);
AttributeHelper.HideFromJava(getRealObject);
tb.DefineMethodOverride(getRealObject, JVM.Import(typeof(IObjectReference)).GetMethod("GetRealObject"));
CodeEmitter ilgen = CodeEmitter.Create(getRealObject);
mw.Link();
if (!wrapper.IsFinal)
{
// readResolve is only applicable if it exists on the actual type of the object, so if we're a subclass don't call it
ilgen.Emit(OpCodes.Ldarg_0);
ilgen.Emit(OpCodes.Callvirt, Compiler.getTypeMethod);
ilgen.Emit(OpCodes.Ldtoken, wrapper.TypeAsBaseType);
ilgen.Emit(OpCodes.Call, Compiler.getTypeFromHandleMethod);
CodeEmitterLabel label = ilgen.DefineLabel();
ilgen.Emit(OpCodes.Beq_S, label);
ilgen.Emit(OpCodes.Ldarg_0);
ilgen.Emit(OpCodes.Ret);
ilgen.MarkLabel(label);
}
ilgen.Emit(OpCodes.Ldarg_0);
mw.EmitCall(ilgen);
ilgen.Emit(OpCodes.Ret);
ilgen.DoEmit();
}
}
private static void CreateConstructor(TypeBuilder tb)
{
ConstructorBuilder cb = tb.DefineConstructor(MethodAttributes.Public, CallingConventions.Standard, new Type[] { invocationHandlerClass.TypeAsSignatureType });
CodeEmitter ilgen = CodeEmitter.Create(cb);
ilgen.Emit(OpCodes.Ldarg_0);
ilgen.Emit(OpCodes.Ldarg_1);
proxyConstructor.EmitCall(ilgen);
ilgen.Emit(OpCodes.Ret);
ilgen.DoEmit();
}
internal override void Emit(CodeEmitter ilgen)
{
base.Emit(ilgen);
// unbox leaves a pointer to the value of the stack (instead of the value)
// so we have to copy the value into a local variable and load the address
// of the local onto the stack
LocalBuilder local = ilgen.DeclareLocal(Type);
ilgen.Emit(OpCodes.Stloc, local);
ilgen.Emit(OpCodes.Ldloca, local);
}
private static void RemoveReadResolve(TypeBuilder tb)
{
tb.AddInterfaceImplementation(JVM.Import(typeof(IObjectReference)));
MethodBuilder getRealObject = tb.DefineMethod("IObjectReference.GetRealObject", MethodAttributes.Private | MethodAttributes.Virtual | MethodAttributes.NewSlot | MethodAttributes.Final,
Types.Object, new Type[] { JVM.Import(typeof(StreamingContext)) });
getRealObject.SetCustomAttribute(securityCriticalAttribute);
AttributeHelper.HideFromJava(getRealObject);
tb.DefineMethodOverride(getRealObject, JVM.Import(typeof(IObjectReference)).GetMethod("GetRealObject"));
CodeEmitter ilgen = CodeEmitter.Create(getRealObject);
ilgen.Emit(OpCodes.Ldarg_0);
ilgen.Emit(OpCodes.Ret);
ilgen.DoEmit();
}
private static bool ThreadLocal_new(DynamicTypeWrapper.FinishContext context, CodeEmitter ilgen, MethodWrapper method, MethodAnalyzer ma, int opcodeIndex, MethodWrapper caller, ClassFile classFile, Instruction[] code, InstructionFlags[] flags)
{
// it is only valid to replace a ThreadLocal instantiation by our ThreadStatic based version, if we can prove that the instantiation only happens once
// (which is the case when we're in <clinit> and there aren't any branches that lead to the current position)
if (caller.Name != StringConstants.CLINIT)
{
return(false);
}
#if CLASSGC
if (JVM.classUnloading)
{
// RunAndCollect assemblies do not support ThreadStaticAttribute
return(false);
}
#endif
for (int i = 0; i <= opcodeIndex; i++)
{
if ((flags[i] & InstructionFlags.BranchTarget) != 0)
{
return(false);
}
}
ilgen.Emit(OpCodes.Newobj, DefineThreadLocalType(context, opcodeIndex, caller));
return(true);
}
private static void AddDefaultInterfaceMethods(DynamicTypeWrapper.FinishContext context, MethodWrapper[] methodList, TypeBuilder tb)
{
// we use special name to hide these from Java reflection
const MethodAttributes attr = MethodAttributes.Public | MethodAttributes.Virtual | MethodAttributes.NewSlot | MethodAttributes.Final | MethodAttributes.SpecialName;
TypeWrapperFactory factory = context.TypeWrapper.GetClassLoader().GetTypeWrapperFactory();
foreach (MethodWrapper mw in methodList)
{
if (!mw.IsAbstract)
{
MethodBuilder mb = mw.GetDefineMethodHelper().DefineMethod(factory, tb, mw.Name, attr);
if (mw.Name != mw.RealName)
{
tb.DefineMethodOverride(mb, (MethodInfo)mw.GetMethod());
}
DynamicTypeWrapper.FinishContext.EmitCallDefaultInterfaceMethod(mb, mw);
}
else if (IsObjectMethod(mw))
{
MethodBuilder mb = mw.GetDefineMethodHelper().DefineMethod(factory, tb, mw.Name, attr);
if (mw.Name != mw.RealName)
{
tb.DefineMethodOverride(mb, (MethodInfo)mw.GetMethod());
}
CodeEmitter ilgen = CodeEmitter.Create(mb);
for (int i = 0, count = mw.GetParameters().Length; i <= count; i++)
{
ilgen.EmitLdarg(i);
}
CoreClasses.java.lang.Object.Wrapper.GetMethodWrapper(mw.Name, mw.Signature, false).EmitCallvirt(ilgen);
ilgen.Emit(OpCodes.Ret);
ilgen.DoEmit();
}
}
}
internal static void Finish(ClassLoaderWrapper loader)
{
TypeBuilder tb = (TypeBuilder)genericEnumEnumType;
TypeWrapper enumTypeWrapper = loader.LoadClassByDottedName("java.lang.Enum");
enumTypeWrapper.Finish();
tb.SetParent(enumTypeWrapper.TypeAsBaseType);
CodeEmitter ilgen = CodeEmitter.Create(ReflectUtil.DefineConstructor(tb, MethodAttributes.Private, new Type[] { Types.String, Types.Int32 }));
ilgen.Emit(OpCodes.Ldarg_0);
ilgen.Emit(OpCodes.Ldarg_1);
ilgen.Emit(OpCodes.Ldarg_2);
enumTypeWrapper.GetMethodWrapper("<init>", "(Ljava.lang.String;I)V", false).EmitCall(ilgen);
ilgen.Emit(OpCodes.Ret);
ilgen.DoEmit();
genericEnumEnumType = tb.CreateType();
}
private static MethodBuilder AddConstructor(TypeBuilder tb, MethodWrapper defaultConstructor, MethodBase serializationConstructor, bool callReadObject)
{
MethodBuilder ctor = ReflectUtil.DefineConstructor(tb, MethodAttributes.Family, new Type[] { JVM.Import(typeof(SerializationInfo)), JVM.Import(typeof(StreamingContext)) });
AttributeHelper.HideFromJava(ctor);
CodeEmitter ilgen = CodeEmitter.Create(ctor);
ilgen.Emit(OpCodes.Ldarg_0);
if (defaultConstructor != null)
{
defaultConstructor.EmitCall(ilgen);
}
else
{
ilgen.Emit(OpCodes.Ldarg_1);
ilgen.Emit(OpCodes.Ldarg_2);
ilgen.Emit(OpCodes.Call, serializationConstructor);
}
if (callReadObject)
{
ilgen.Emit(OpCodes.Ldarg_0);
ilgen.Emit(OpCodes.Ldarg_1);
TypeWrapper serializationHelper = ClassLoaderWrapper.LoadClassCritical("ikvm.internal.Serialization");
MethodWrapper mw = serializationHelper.GetMethodWrapper("readObject", "(Ljava.lang.Object;Lcli.System.Runtime.Serialization.SerializationInfo;)V", false);
mw.Link();
mw.EmitCall(ilgen);
}
ilgen.Emit(OpCodes.Ret);
ilgen.DoEmit();
return(ctor);
}
private static ConstructorInfo AddConstructor(TypeBuilder tb, MethodWrapper defaultConstructor, ConstructorInfo serializationConstructor, bool callReadObject)
{
ConstructorBuilder ctor = tb.DefineConstructor(MethodAttributes.Family, CallingConventions.Standard, new Type[] { JVM.Import(typeof(SerializationInfo)), JVM.Import(typeof(StreamingContext)) });
AttributeHelper.HideFromJava(ctor);
ctor.AddDeclarativeSecurity(SecurityAction.Demand, psetSerializationFormatter);
CodeEmitter ilgen = CodeEmitter.Create(ctor);
ilgen.Emit(OpCodes.Ldarg_0);
if (defaultConstructor != null)
{
defaultConstructor.EmitCall(ilgen);
}
else
{
ilgen.Emit(OpCodes.Ldarg_1);
ilgen.Emit(OpCodes.Ldarg_2);
ilgen.Emit(OpCodes.Call, serializationConstructor);
}
if (callReadObject)
{
ilgen.Emit(OpCodes.Ldarg_0);
ilgen.Emit(OpCodes.Ldarg_1);
TypeWrapper serializationHelper = ClassLoaderWrapper.LoadClassCritical("ikvm.internal.Serialization");
MethodWrapper mw = serializationHelper.GetMethodWrapper("readObject", "(Ljava.lang.Object;Lcli.System.Runtime.Serialization.SerializationInfo;)V", false);
mw.Link();
mw.EmitCall(ilgen);
}
ilgen.Emit(OpCodes.Ret);
ilgen.DoEmit();
return(ctor);
}
private static void CreateEnumEnum(ModuleBuilder modb, ClassLoaderWrapper loader)
{
TypeWrapper enumTypeWrapper = loader.LoadClassByDottedName("java.lang.Enum");
enumTypeWrapper.Finish();
TypeBuilder tb = modb.DefineType(DotNetTypeWrapper.GenericEnumEnumTypeName, TypeAttributes.Class | TypeAttributes.Sealed | TypeAttributes.Public, enumTypeWrapper.TypeAsBaseType);
GenericTypeParameterBuilder gtpb = tb.DefineGenericParameters("T")[0];
gtpb.SetBaseTypeConstraint(Types.Enum);
CodeEmitter ilgen = CodeEmitter.Create(tb.DefineConstructor(MethodAttributes.Private, CallingConventions.Standard, new Type[] { Types.String, Types.Int32 }));
ilgen.Emit(OpCodes.Ldarg_0);
ilgen.Emit(OpCodes.Ldarg_1);
ilgen.Emit(OpCodes.Ldarg_2);
enumTypeWrapper.GetMethodWrapper("<init>", "(Ljava.lang.String;I)V", false).EmitCall(ilgen);
ilgen.Emit(OpCodes.Ret);
genericEnumEnumType = tb.CreateType();
}
private static bool Class_getPrimitiveClass(DynamicTypeWrapper.FinishContext context, CodeEmitter ilgen, MethodWrapper method, MethodAnalyzer ma, int opcodeIndex, MethodWrapper caller, ClassFile classFile, Instruction[] code, InstructionFlags[] flags)
{
ilgen.LazyEmitPop();
ilgen.Emit(OpCodes.Ldnull);
MethodWrapper mw = CoreClasses.java.lang.Class.Wrapper.GetMethodWrapper("<init>", "(Lcli.System.Type;)V", false);
mw.Link();
mw.EmitNewobj(ilgen);
return(true);
}
private static void EmitClassLiteral(CompilerClassLoader ccl)
{
TypeBuilder tb = ccl.GetTypeWrapperFactory().ModuleBuilder.DefineType("ikvm.internal.ClassLiteral`1", TypeAttributes.Public | TypeAttributes.Sealed | TypeAttributes.Abstract | TypeAttributes.Class | TypeAttributes.BeforeFieldInit);
GenericTypeParameterBuilder typeParam = tb.DefineGenericParameters("T")[0];
Type classType = CoreClasses.java.lang.Class.Wrapper.TypeAsSignatureType;
classLiteralField = tb.DefineField("Value", classType, FieldAttributes.Public | FieldAttributes.Static | FieldAttributes.InitOnly);
CodeEmitter ilgen = CodeEmitter.Create(ReflectUtil.DefineTypeInitializer(tb));
ilgen.Emit(OpCodes.Ldtoken, typeParam);
ilgen.Emit(OpCodes.Call, Types.Type.GetMethod("GetTypeFromHandle", new Type[] { Types.RuntimeTypeHandle }));
MethodWrapper mw = CoreClasses.java.lang.Class.Wrapper.GetMethodWrapper("<init>", "(Lcli.System.Type;)V", false);
mw.Link();
mw.EmitNewobj(ilgen);
ilgen.Emit(OpCodes.Stsfld, classLiteralField);
ilgen.Emit(OpCodes.Ret);
ilgen.DoEmit();
classLiteralType = tb.CreateType();
}
private static bool Util_getInstanceTypeFromClass(DynamicTypeWrapper.FinishContext context, CodeEmitter ilgen, MethodWrapper method, MethodAnalyzer ma, int opcodeIndex, MethodWrapper caller, ClassFile classFile, Instruction[] code, InstructionFlags[] flags)
{
TypeWrapper tw = ilgen.PeekLazyClassLiteral();
if (tw != null)
{
ilgen.LazyEmitPop();
if (tw.IsRemapped && tw.IsFinal)
{
ilgen.Emit(OpCodes.Ldtoken, tw.TypeAsTBD);
}
else
{
ilgen.Emit(OpCodes.Ldtoken, tw.TypeAsBaseType);
}
ilgen.Emit(OpCodes.Call, Compiler.getTypeFromHandleMethod);
return(true);
}
return(false);
}
private static void AddReadResolve(TypeWrapper wrapper)
{
MethodWrapper mw = wrapper.GetMethodWrapper("readResolve", "()Ljava.lang.Object;", false);
if (mw != null && !wrapper.IsSubTypeOf(iobjectreference))
{
TypeBuilder tb = wrapper.TypeAsBuilder;
tb.AddInterfaceImplementation(JVM.Import(typeof(IObjectReference)));
MethodBuilder getRealObject = tb.DefineMethod("IObjectReference.GetRealObject", MethodAttributes.Private | MethodAttributes.Virtual | MethodAttributes.NewSlot | MethodAttributes.Final,
Types.Object, new Type[] { JVM.Import(typeof(StreamingContext)) });
getRealObject.SetCustomAttribute(securityCriticalAttribute);
AttributeHelper.HideFromJava(getRealObject);
tb.DefineMethodOverride(getRealObject, JVM.Import(typeof(IObjectReference)).GetMethod("GetRealObject"));
CodeEmitter ilgen = CodeEmitter.Create(getRealObject);
mw.Link();
ilgen.Emit(OpCodes.Ldarg_0);
mw.EmitCall(ilgen);
ilgen.Emit(OpCodes.Ret);
}
}
internal sealed override void Emit(CodeEmitter ilgen)
{
LocalBuilder value1 = ilgen.AllocTempLocal(FloatOrDouble());
LocalBuilder value2 = ilgen.AllocTempLocal(FloatOrDouble());
ilgen.Emit(OpCodes.Stloc, value2);
ilgen.Emit(OpCodes.Stloc, value1);
ilgen.Emit(OpCodes.Ldloc, value1);
ilgen.Emit(OpCodes.Ldloc, value2);
ilgen.Emit(OpCodes.Cgt_Un);
ilgen.Emit(OpCodes.Ldloc, value1);
ilgen.Emit(OpCodes.Ldloc, value2);
ilgen.Emit(OpCodes.Clt);
ilgen.Emit(OpCodes.Sub);
ilgen.ReleaseTempLocal(value1);
ilgen.ReleaseTempLocal(value2);
}
internal sealed override void Emit(CodeEmitter ilgen)
{
LocalBuilder value1 = ilgen.AllocTempLocal(Types.Int64);
LocalBuilder value2 = ilgen.AllocTempLocal(Types.Int64);
ilgen.Emit(OpCodes.Stloc, value2);
ilgen.Emit(OpCodes.Stloc, value1);
ilgen.Emit(OpCodes.Ldloc, value1);
ilgen.Emit(OpCodes.Ldloc, value2);
ilgen.Emit(OpCodes.Cgt);
ilgen.Emit(OpCodes.Ldloc, value1);
ilgen.Emit(OpCodes.Ldloc, value2);
ilgen.Emit(OpCodes.Clt);
ilgen.Emit(OpCodes.Sub);
ilgen.ReleaseTempLocal(value2);
ilgen.ReleaseTempLocal(value1);
}
internal sealed override void EmitBcc(CodeEmitter ilgen, Comparison comp, CodeEmitterLabel label)
{
switch (comp)
{
case Comparison.LessOrEqual:
ilgen.Emit(OpCodes.Ble, label);
break;
case Comparison.LessThan:
ilgen.Emit(OpCodes.Blt, label);
break;
case Comparison.GreaterOrEqual:
ilgen.Emit(OpCodes.Bge_Un, label);
break;
case Comparison.GreaterThan:
ilgen.Emit(OpCodes.Bgt_Un, label);
break;
}
}
private static void CreateStaticInitializer(TypeBuilder tb, List <ProxyMethod> methods)
{
ConstructorBuilder cb = tb.DefineConstructor(MethodAttributes.Static, CallingConventions.Standard, Type.EmptyTypes);
CodeEmitter ilgen = CodeEmitter.Create(cb);
CodeEmitterLocal callerID = ilgen.DeclareLocal([email protected]);
TypeBuilder tbCallerID = DynamicTypeWrapper.FinishContext.EmitCreateCallerID(tb, ilgen);
ilgen.Emit(OpCodes.Stloc, callerID);
// HACK we shouldn't create the nested type here (the outer type must be created first)
tbCallerID.CreateType();
ilgen.BeginExceptionBlock();
foreach (ProxyMethod method in methods)
{
method.mw.DeclaringType.EmitClassLiteral(ilgen);
ilgen.Emit(OpCodes.Ldstr, method.mw.Name);
TypeWrapper[] parameters = method.mw.GetParameters();
ilgen.EmitLdc_I4(parameters.Length);
ilgen.Emit(OpCodes.Newarr, CoreClasses.java.lang.Class.Wrapper.TypeAsArrayType);
for (int i = 0; i < parameters.Length; i++)
{
ilgen.Emit(OpCodes.Dup);
ilgen.EmitLdc_I4(i);
parameters[i].EmitClassLiteral(ilgen);
ilgen.Emit(OpCodes.Stelem_Ref);
}
if (javaLangClass_getMethod.HasCallerID)
{
ilgen.Emit(OpCodes.Ldloc, callerID);
}
javaLangClass_getMethod.EmitCallvirt(ilgen);
ilgen.Emit(OpCodes.Stsfld, method.fb);
}
CodeEmitterLabel label = ilgen.DefineLabel();
ilgen.EmitLeave(label);
ilgen.BeginCatchBlock(javaLangNoSuchMethodException.TypeAsExceptionType);
javaLangThrowable_getMessage.EmitCallvirt(ilgen);
javaLangNoClassDefFoundErrorConstructor.EmitNewobj(ilgen);
ilgen.Emit(OpCodes.Throw);
ilgen.EndExceptionBlock();
ilgen.MarkLabel(label);
ilgen.Emit(OpCodes.Ret);
ilgen.DoEmit();
}
private static void EmitLoadCharArrayLiteral(CodeEmitter ilgen, string str, TypeWrapper tw)
{
ModuleBuilder mod = tw.GetClassLoader().GetTypeWrapperFactory().ModuleBuilder;
// FXBUG on .NET 1.1 & 2.0 the value type that Ref.Emit automatically generates is public,
// so we pre-create a non-public type with the right name here and it will "magically" use
// that instead.
// If we're running on Mono this isn't necessary, but for simplicitly we'll simply create
// the type as well (it is useless, but all it does is waste a little space).
int length = str.Length * 2;
string typename = "$ArrayType$" + length;
Type type = mod.GetType(typename, false, false);
if (type == null)
{
if (tw.GetClassLoader().GetTypeWrapperFactory().ReserveName(typename))
{
TypeBuilder tb = mod.DefineType(typename, TypeAttributes.Sealed | TypeAttributes.Class | TypeAttributes.ExplicitLayout | TypeAttributes.NotPublic, Types.ValueType, PackingSize.Size1, length);
AttributeHelper.HideFromJava(tb);
type = tb.CreateType();
}
}
if (type == null ||
!type.IsValueType ||
type.StructLayoutAttribute.Pack != 1 || type.StructLayoutAttribute.Size != length)
{
// the type that we found doesn't match (must mean we've compiled a Java type with that name),
// so we fall back to the string approach
ilgen.Emit(OpCodes.Ldstr, str);
ilgen.Emit(OpCodes.Call, Types.String.GetMethod("ToCharArray", Type.EmptyTypes));
return;
}
ilgen.Emit(OpCodes.Ldc_I4, str.Length);
ilgen.Emit(OpCodes.Newarr, Types.Char);
ilgen.Emit(OpCodes.Dup);
byte[] data = new byte[length];
for (int j = 0; j < str.Length; j++)
{
data[j * 2 + 0] = (byte)(str[j] >> 0);
data[j * 2 + 1] = (byte)(str[j] >> 8);
}
// NOTE we define a module field, because type fields on Mono don't use the global $ArrayType$<n> type.
// NOTE this also means that this will only work during static compilation, because ModuleBuilder.CreateGlobalFunctions() must
// be called before the field can be used.
FieldBuilder fb = mod.DefineInitializedData("__<str>", data, FieldAttributes.Static | FieldAttributes.PrivateScope);
// MONOBUG Type.Equals(Type) is broken on Mono. We have to use the virtual method that ends up in our implementation
if (!fb.FieldType.Equals((object)type))
{
// this is actually relatively harmless, but I would like to know about it, so we abort and hope that users report this when they encounter it
JVM.CriticalFailure("Unsupported runtime: ModuleBuilder.DefineInitializedData() field type mispredicted", null);
}
ilgen.Emit(OpCodes.Ldtoken, fb);
ilgen.Emit(OpCodes.Call, JVM.Import(typeof(System.Runtime.CompilerServices.RuntimeHelpers)).GetMethod("InitializeArray", new Type[] { Types.Array, JVM.Import(typeof(RuntimeFieldHandle)) }));
}
internal static bool Emit(DynamicTypeWrapper.FinishContext context, ClassFile classFile, int constantPoolIndex, ClassFile.ConstantPoolItemInvokeDynamic cpi, CodeEmitter ilgen)
{
ClassFile.BootstrapMethod bsm = classFile.GetBootstrapMethod(cpi.BootstrapMethod);
if (!IsLambdaMetafactory(classFile, bsm) && !IsLambdaAltMetafactory(classFile, bsm))
{
return false;
}
LambdaMetafactory lmf = context.GetValue<LambdaMetafactory>(constantPoolIndex);
if (lmf.ctor == null && !lmf.EmitImpl(context, classFile, cpi, bsm, ilgen))
{
#if STATIC_COMPILER
if (context.TypeWrapper.GetClassLoader().DisableDynamicBinding)
{
StaticCompiler.IssueMessage(Message.UnableToCreateLambdaFactory);
}
#endif
return false;
}
ilgen.Emit(OpCodes.Newobj, lmf.ctor);
// the CLR verification rules about type merging mean we have to explicitly cast to the interface type here
ilgen.Emit(OpCodes.Castclass, cpi.GetRetType().TypeAsBaseType);
return true;
}
private static void AddGetObjectData(TypeWrapper wrapper)
{
TypeBuilder tb = wrapper.TypeAsBuilder;
tb.AddInterfaceImplementation(JVM.Import(typeof(ISerializable)));
MethodBuilder getObjectData = tb.DefineMethod("GetObjectData", MethodAttributes.Family | MethodAttributes.Virtual | MethodAttributes.NewSlot, null,
new Type[] { JVM.Import(typeof(SerializationInfo)), JVM.Import(typeof(StreamingContext)) });
getObjectData.SetCustomAttribute(securityCriticalAttribute);
AttributeHelper.HideFromJava(getObjectData);
getObjectData.AddDeclarativeSecurity(SecurityAction.Demand, psetSerializationFormatter);
tb.DefineMethodOverride(getObjectData, JVM.Import(typeof(ISerializable)).GetMethod("GetObjectData"));
CodeEmitter ilgen = CodeEmitter.Create(getObjectData);
ilgen.Emit(OpCodes.Ldarg_0);
ilgen.Emit(OpCodes.Ldarg_1);
TypeWrapper serializationHelper = ClassLoaderWrapper.LoadClassCritical("ikvm.internal.Serialization");
MethodWrapper mw = serializationHelper.GetMethodWrapper("writeObject", "(Ljava.lang.Object;Lcli.System.Runtime.Serialization.SerializationInfo;)V", false);
mw.Link();
mw.EmitCall(ilgen);
ilgen.Emit(OpCodes.Ret);
}
private static bool System_arraycopy(DynamicTypeWrapper.FinishContext context, CodeEmitter ilgen, MethodWrapper method, MethodAnalyzer ma, int opcodeIndex, MethodWrapper caller, ClassFile classFile, Instruction[] code, InstructionFlags[] flags)
{
// if the array arguments on the stack are of a known array type, we can redirect to an optimized version of arraycopy.
// Note that we also have to handle VMSystem.arraycopy, because on GNU Classpath StringBuffer directly calls
// this method to avoid prematurely initialising System.
TypeWrapper dst_type = ma.GetStackTypeWrapper(opcodeIndex, 2);
TypeWrapper src_type = ma.GetStackTypeWrapper(opcodeIndex, 4);
if (!dst_type.IsUnloadable && dst_type.IsArray && dst_type == src_type)
{
switch (dst_type.Name[1])
{
case 'J':
case 'D':
ilgen.Emit(OpCodes.Call, ByteCodeHelperMethods.arraycopy_primitive_8);
break;
case 'I':
case 'F':
ilgen.Emit(OpCodes.Call, ByteCodeHelperMethods.arraycopy_primitive_4);
break;
case 'S':
case 'C':
ilgen.Emit(OpCodes.Call, ByteCodeHelperMethods.arraycopy_primitive_2);
break;
case 'B':
case 'Z':
ilgen.Emit(OpCodes.Call, ByteCodeHelperMethods.arraycopy_primitive_1);
break;
default:
// TODO once the verifier tracks actual types (i.e. it knows that
// a particular reference is the result of a "new" opcode) we can
// use the fast version if the exact destination type is known
// (in that case the "dst_type == src_type" above should
// be changed to "src_type.IsAssignableTo(dst_type)".
TypeWrapper elemtw = dst_type.ElementTypeWrapper;
// note that IsFinal returns true for array types, so we have to be careful!
if (!elemtw.IsArray && elemtw.IsFinal)
{
ilgen.Emit(OpCodes.Call, ByteCodeHelperMethods.arraycopy_fast);
}
else
{
ilgen.Emit(OpCodes.Call, ByteCodeHelperMethods.arraycopy);
}
break;
}
return(true);
}
else
{
return(false);
}
}
private static bool String_toCharArray(DynamicTypeWrapper.FinishContext context, CodeEmitter ilgen, MethodWrapper method, MethodAnalyzer ma, int opcodeIndex, MethodWrapper caller, ClassFile classFile, Instruction[] code, InstructionFlags[] flags)
{
string str = ilgen.PopLazyLdstr();
if (str != null)
{
// arbitrary length for "big" strings
if (str.Length > 128)
{
EmitLoadCharArrayLiteral(ilgen, str, caller.DeclaringType);
return(true);
}
ilgen.Emit(OpCodes.Ldstr, str);
}
return(false);
}
private static bool ClassLoader_getCallerClassLoader(DynamicTypeWrapper.FinishContext context, CodeEmitter ilgen, MethodWrapper method, MethodAnalyzer ma, int opcodeIndex, MethodWrapper caller, ClassFile classFile, Instruction[] code, InstructionFlags[] flags)
{
if (caller.HasCallerID)
{
int arg = caller.GetParametersForDefineMethod().Length - 1;
if (!caller.IsStatic)
{
arg++;
}
ilgen.Emit(OpCodes.Ldarg, (short)arg);
MethodWrapper mw = [email protected]("getCallerClassLoader", "()Ljava.lang.ClassLoader;", false);
mw.Link();
mw.EmitCallvirt(ilgen);
return(true);
}
return(false);
}
private static bool CallerID_getCallerID(DynamicTypeWrapper.FinishContext context, CodeEmitter ilgen, MethodWrapper method, MethodAnalyzer ma, int opcodeIndex, MethodWrapper caller, ClassFile classFile, Instruction[] code, InstructionFlags[] flags)
{
if (caller.HasCallerID)
{
int arg = caller.GetParametersForDefineMethod().Length - 1;
if (!caller.IsStatic)
{
arg++;
}
ilgen.Emit(OpCodes.Ldarg, (short)arg);
return(true);
}
else
{
JVM.CriticalFailure("CallerID.getCallerID() requires a HasCallerID annotation", null);
}
return(false);
}
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 CallvirtImpl(CodeEmitter ilgen)
{
ilgen.Emit(OpCodes.Callvirt, stubVirtual);
}
protected override void NewobjImpl(CodeEmitter ilgen)
{
ilgen.Emit(OpCodes.Newobj, stub);
}
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();
}
}
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);
}
}
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 override void EmitCallvirt(CodeEmitter ilgen)
{
ilgen.Emit(SimpleOpCodeToOpCode(callvirt), (MethodInfo)GetMethod());
}
protected override void CallImpl(CodeEmitter ilgen)
{
ilgen.Emit(OpCodes.Call, (ConstructorInfo)GetMethod());
}
protected override void CallvirtImpl(CodeEmitter ilgen)
{
ilgen.Emit(SimpleOpCodeToOpCode(callvirt), (MethodInfo)GetMethod());
}
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.Emit(OpCodes.Ldc_I4, ((IConvertible)constant).ToInt32(null));
}
else if(constant is string)
{
ilgen.Emit(OpCodes.Ldstr, (string)constant);
}
else if(constant is float)
{
ilgen.Emit(OpCodes.Ldc_R4, (float)constant);
}
else if(constant is double)
{
ilgen.Emit(OpCodes.Ldc_R8, (double)constant);
}
else if(constant is long)
{
ilgen.Emit(OpCodes.Ldc_I8, (long)constant);
}
else if(constant is uint)
{
ilgen.Emit(OpCodes.Ldc_I4, unchecked((int)((IConvertible)constant).ToUInt32(null)));
}
else if(constant is ulong)
{
ilgen.Emit(OpCodes.Ldc_I8, unchecked((long)(ulong)constant));
}
else
{
throw new InvalidOperationException(constant.GetType().FullName);
}
}
protected override void NewobjImpl(CodeEmitter ilgen)
{
ilgen.Emit(OpCodes.Newobj, (ConstructorInfo)GetMethod());
}
protected override void EmitSetImpl(CodeEmitter ilgen)
{
ilgen.Emit(OpCodes.Call, setter);
}
protected override void CallImpl(CodeEmitter ilgen)
{
ilgen.Emit(OpCodes.Call, stub);
}
internal override void EmitCheckcast(CodeEmitter ilgen)
{
if(IsGhost)
{
ilgen.Emit(OpCodes.Dup);
ilgen.Emit(OpCodes.Call, ghostCastMethod);
ilgen.Emit(OpCodes.Pop);
}
else if(IsGhostArray)
{
ilgen.Emit(OpCodes.Dup);
TypeWrapper tw = this;
int rank = 0;
while(tw.IsArray)
{
rank++;
tw = tw.ElementTypeWrapper;
}
ilgen.EmitLdc_I4(rank);
ilgen.Emit(OpCodes.Call, ghostCastArrayMethod);
ilgen.Emit(OpCodes.Castclass, ArrayTypeWrapper.MakeArrayType(Types.Object, rank));
}
else
{
base.EmitCheckcast(ilgen);
}
}
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());
}
internal override void EmitInstanceOf(CodeEmitter ilgen)
{
if(IsGhost)
{
ilgen.Emit(OpCodes.Call, ghostIsInstanceMethod);
}
else if(IsGhostArray)
{
ilgen.Emit(OpCodes.Call, ghostIsInstanceArrayMethod);
}
else
{
base.EmitInstanceOf(ilgen);
}
}
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);
}
}
internal override void EmitCall(CodeEmitter ilgen)
{
ilgen.Emit(OpCodes.Call, (ConstructorInfo)GetMethod());
}
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.Emit(OpCodes.Brtrue_S, label);
ilgen.EmitThrow("java.lang.NoSuchMethodError");
ilgen.MarkLabel(label);
if (!isStatic)
{
ilgen.Emit(OpCodes.Pop);
}
ilgen.Emit(OpCodes.Ldloc, ilgen.DeclareLocal(type.TypeAsLocalOrStackType));
}
internal override void EmitNewobj(CodeEmitter ilgen)
{
if(mbHelper != null)
{
ilgen.Emit(OpCodes.Call, mbHelper);
}
else
{
ilgen.Emit(OpCodes.Newobj, (ConstructorInfo)GetMethod());
}
}
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.Emit(OpCodes.Brtrue_S, label);
ilgen.EmitThrow("java.lang.NoSuchMethodError");
ilgen.MarkLabel(label);
ilgen.Emit(OpCodes.Pop);
if (!isStatic)
{
ilgen.Emit(OpCodes.Pop);
}
}
internal override void EmitCall(CodeEmitter ilgen)
{
if(!IsStatic && IsFinal)
{
// When calling a final instance method on a remapped type from a class derived from a .NET class (i.e. a cli.System.Object or cli.System.Exception derived base class)
// then we can't call the java.lang.Object or java.lang.Throwable methods and we have to go through the instancehelper_ method. Note that since the method
// is final, this won't affect the semantics.
EmitCallvirt(ilgen);
}
else
{
ilgen.Emit(OpCodes.Call, (MethodInfo)GetMethod());
}
}
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);
}
}
private void EmitCallvirtImpl(CodeEmitter ilgen, bool cloneOrFinalizeHack)
{
if(mbHelper != null && !cloneOrFinalizeHack)
{
ilgen.Emit(OpCodes.Call, mbHelper);
}
else
{
ilgen.Emit(OpCodes.Callvirt, (MethodInfo)GetMethod());
}
}
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);
}
private void EmitRedirect(Type baseType, CodeEmitter ilgen)
{
string redirName = m.redirect.Name;
string redirSig = m.redirect.Sig;
if(redirName == null)
{
redirName = m.Name;
}
if(redirSig == null)
{
redirSig = m.Sig;
}
ClassLoaderWrapper classLoader = DeclaringType.GetClassLoader();
// HACK if the class name contains a comma, we assume it is a .NET type
if(m.redirect.Class == null || m.redirect.Class.IndexOf(',') >= 0)
{
// TODO better error handling
Type type = m.redirect.Class == null ? baseType : StaticCompiler.Universe.GetType(m.redirect.Class, true);
Type[] redirParamTypes = classLoader.ArgTypeListFromSig(redirSig);
MethodInfo mi = type.GetMethod(m.redirect.Name, redirParamTypes);
if(mi == null)
{
throw new InvalidOperationException();
}
ilgen.Emit(OpCodes.Call, mi);
}
else
{
TypeWrapper tw = classLoader.LoadClassByDottedName(m.redirect.Class);
MethodWrapper mw = tw.GetMethodWrapper(redirName, redirSig, false);
if(mw == null)
{
throw new InvalidOperationException("Missing redirect method: " + tw.Name + "." + redirName + redirSig);
}
mw.Link();
mw.EmitCall(ilgen);
}
}
protected override void CallvirtImpl(CodeEmitter ilgen)
{
ResolveGhostMethod();
ilgen.Emit(OpCodes.Call, ghostMethod);
}
internal void Emit(IKVM.Internal.MapXml.CodeGenContext context, CodeEmitter ilgen)
{
MethodWrapper mwSuppressFillInStackTrace = CoreClasses.java.lang.Throwable.Wrapper.GetMethodWrapper("__<suppressFillInStackTrace>", "()V", false);
mwSuppressFillInStackTrace.Link();
ilgen.Emit(OpCodes.Ldarg_0);
ilgen.Emit(OpCodes.Callvirt, Compiler.getTypeMethod);
for(int i = 0; i < map.Length; i++)
{
ilgen.Emit(OpCodes.Dup);
ilgen.Emit(OpCodes.Ldtoken, StaticCompiler.Universe.GetType(map[i].src, true));
ilgen.Emit(OpCodes.Call, Compiler.getTypeFromHandleMethod);
ilgen.Emit(OpCodes.Ceq);
CodeEmitterLabel label = ilgen.DefineLabel();
ilgen.Emit(OpCodes.Brfalse_S, label);
ilgen.Emit(OpCodes.Pop);
if(map[i].code != null)
{
ilgen.Emit(OpCodes.Ldarg_0);
if(map[i].code.invoke != null)
{
foreach(MapXml.Instruction instr in map[i].code.invoke)
{
MapXml.NewObj newobj = instr as MapXml.NewObj;
if(newobj != null
&& newobj.Class != null
&& context.ClassLoader.LoadClassByDottedName(newobj.Class).IsSubTypeOf(CoreClasses.java.lang.Throwable.Wrapper))
{
mwSuppressFillInStackTrace.EmitCall(ilgen);
}
instr.Generate(context, ilgen);
}
}
ilgen.Emit(OpCodes.Ret);
}
else
{
TypeWrapper tw = context.ClassLoader.LoadClassByDottedName(map[i].dst);
MethodWrapper mw = tw.GetMethodWrapper("<init>", "()V", false);
mw.Link();
mwSuppressFillInStackTrace.EmitCall(ilgen);
mw.EmitNewobj(ilgen);
ilgen.Emit(OpCodes.Ret);
}
ilgen.MarkLabel(label);
}
ilgen.Emit(OpCodes.Pop);
ilgen.Emit(OpCodes.Ldarg_0);
ilgen.Emit(OpCodes.Ret);
}
