| private MarkLabel ( CodeEmitterLabel loc ) : void | ||
| loc | CodeEmitterLabel | |
| Résultat | void | |
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 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.Emit(OpCodes.Ldc_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.Emit(OpCodes.Ldc_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.Emit(OpCodes.Leave_S, 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();
}
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 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 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);
}
internal override void EmitCall(CodeEmitter ilgen)
{
ilgen.Emit(OpCodes.Dup);
ilgen.Emit(OpCodes.Isinst, CoreClasses.java.lang.Cloneable.Wrapper.TypeAsBaseType);
CodeEmitterLabel label1 = ilgen.DefineLabel();
ilgen.EmitBrtrue(label1);
CodeEmitterLabel label2 = ilgen.DefineLabel();
ilgen.EmitBrfalse(label2);
ilgen.EmitThrow("java.lang.CloneNotSupportedException");
ilgen.MarkLabel(label2);
ilgen.EmitThrow("java.lang.NullPointerException");
ilgen.MarkLabel(label1);
ilgen.Emit(OpCodes.Call, Types.Object.GetMethod("MemberwiseClone", BindingFlags.Instance | BindingFlags.NonPublic, null, Type.EmptyTypes, null));
}
internal static void EmitThrowNoSuchMethodErrorForSetter(CodeEmitter ilgen, MemberWrapper member)
{
#if STATIC_COMPILER
StaticCompiler.IssueMessage(Message.EmittedNoSuchMethodError, "<unknown>", member.DeclaringType.Name + "." + member.Name + member.Signature);
#endif
// HACK the branch around the throw is to keep the verifier happy
CodeEmitterLabel label = ilgen.DefineLabel();
ilgen.Emit(OpCodes.Ldc_I4_0);
ilgen.EmitBrtrue(label);
ilgen.EmitThrow("java.lang.NoSuchMethodError");
ilgen.MarkLabel(label);
ilgen.Emit(OpCodes.Pop);
if (!member.IsStatic)
{
ilgen.Emit(OpCodes.Pop);
}
}
internal override void Generate(CodeGenContext context, CodeEmitter ilgen)
{
CodeEmitterLabel l;
if(context[Name] == null)
{
l = ilgen.DefineLabel();
context[Name] = l;
}
else
{
l = (CodeEmitterLabel)context[Name];
}
ilgen.MarkLabel(l);
}
internal override void Generate(CodeGenContext context, CodeEmitter ilgen)
{
base.Generate(context, ilgen);
if(typeType != null)
{
ilgen.Emit(OpCodes.Isinst, typeType);
}
else
{
if(typeWrapper.IsGhost || typeWrapper.IsGhostArray)
{
ilgen.Emit(OpCodes.Dup);
// NOTE we pass a null context, but that shouldn't be a problem, because
// typeWrapper should never be an UnloadableTypeWrapper
typeWrapper.EmitInstanceOf(null, ilgen);
CodeEmitterLabel endLabel = ilgen.DefineLabel();
ilgen.Emit(OpCodes.Brtrue_S, endLabel);
ilgen.Emit(OpCodes.Pop);
ilgen.Emit(OpCodes.Ldnull);
ilgen.MarkLabel(endLabel);
}
else
{
ilgen.Emit(OpCodes.Isinst, typeWrapper.TypeAsTBD);
}
}
}
private static void CreateMethod(CompilerClassLoader loader, TypeBuilder tb, ProxyMethod pm)
{
MethodBuilder mb = pm.mw.GetDefineMethodHelper().DefineMethod(loader.GetTypeWrapperFactory(), tb, pm.mw.Name, MethodAttributes.Public | MethodAttributes.Virtual | MethodAttributes.Final);
List <string> exceptions = new List <string>();
foreach (TypeWrapper tw in pm.exceptions)
{
exceptions.Add(tw.Name);
}
AttributeHelper.SetThrowsAttribute(mb, exceptions.ToArray());
CodeEmitter ilgen = CodeEmitter.Create(mb);
ilgen.BeginExceptionBlock();
ilgen.Emit(OpCodes.Ldarg_0);
invocationHandlerField.EmitGet(ilgen);
ilgen.Emit(OpCodes.Ldarg_0);
ilgen.Emit(OpCodes.Ldsfld, pm.fb);
TypeWrapper[] parameters = pm.mw.GetParameters();
if (parameters.Length == 0)
{
ilgen.Emit(OpCodes.Ldnull);
}
else
{
ilgen.EmitLdc_I4(parameters.Length);
ilgen.Emit(OpCodes.Newarr, Types.Object);
for (int i = 0; i < parameters.Length; i++)
{
ilgen.Emit(OpCodes.Dup);
ilgen.EmitLdc_I4(i);
ilgen.EmitLdarg(i);
if (parameters[i].IsNonPrimitiveValueType)
{
parameters[i].EmitBox(ilgen);
}
else if (parameters[i].IsPrimitive)
{
Boxer.EmitBox(ilgen, parameters[i]);
}
ilgen.Emit(OpCodes.Stelem_Ref);
}
}
invokeMethod.EmitCallvirt(ilgen);
TypeWrapper returnType = pm.mw.ReturnType;
CodeEmitterLocal returnValue = null;
if (returnType != PrimitiveTypeWrapper.VOID)
{
returnValue = ilgen.DeclareLocal(returnType.TypeAsSignatureType);
if (returnType.IsNonPrimitiveValueType)
{
returnType.EmitUnbox(ilgen);
}
else if (returnType.IsPrimitive)
{
Boxer.EmitUnbox(ilgen, returnType);
}
else if (returnType != CoreClasses.java.lang.Object.Wrapper)
{
ilgen.EmitCastclass(returnType.TypeAsSignatureType);
}
ilgen.Emit(OpCodes.Stloc, returnValue);
}
CodeEmitterLabel returnLabel = ilgen.DefineLabel();
ilgen.EmitLeave(returnLabel);
// TODO consider using a filter here (but we would need to add filter support to CodeEmitter)
ilgen.BeginCatchBlock(Types.Exception);
ilgen.EmitLdc_I4(0);
ilgen.Emit(OpCodes.Call, ByteCodeHelperMethods.mapException.MakeGenericMethod(Types.Exception));
CodeEmitterLocal exception = ilgen.DeclareLocal(Types.Exception);
ilgen.Emit(OpCodes.Stloc, exception);
CodeEmitterLabel rethrow = ilgen.DefineLabel();
ilgen.Emit(OpCodes.Ldloc, exception);
errorClass.EmitInstanceOf(ilgen);
ilgen.EmitBrtrue(rethrow);
ilgen.Emit(OpCodes.Ldloc, exception);
runtimeExceptionClass.EmitInstanceOf(ilgen);
ilgen.EmitBrtrue(rethrow);
foreach (TypeWrapper tw in pm.exceptions)
{
ilgen.Emit(OpCodes.Ldloc, exception);
tw.EmitInstanceOf(ilgen);
ilgen.EmitBrtrue(rethrow);
}
ilgen.Emit(OpCodes.Ldloc, exception);
undeclaredThrowableExceptionConstructor.EmitNewobj(ilgen);
ilgen.Emit(OpCodes.Throw);
ilgen.MarkLabel(rethrow);
ilgen.Emit(OpCodes.Rethrow);
ilgen.EndExceptionBlock();
ilgen.MarkLabel(returnLabel);
if (returnValue != null)
{
ilgen.Emit(OpCodes.Ldloc, returnValue);
}
ilgen.Emit(OpCodes.Ret);
ilgen.DoEmit();
}
internal override void Generate(CodeGenContext context, CodeEmitter ilgen)
{
base.Generate(context, ilgen);
if(typeType != null)
{
ilgen.Emit(OpCodes.Isinst, typeType);
}
else
{
if(typeWrapper.IsGhost || typeWrapper.IsGhostArray)
{
ilgen.Emit(OpCodes.Dup);
typeWrapper.EmitInstanceOf(ilgen);
CodeEmitterLabel endLabel = ilgen.DefineLabel();
ilgen.EmitBrtrue(endLabel);
ilgen.Emit(OpCodes.Pop);
ilgen.Emit(OpCodes.Ldnull);
ilgen.MarkLabel(endLabel);
}
else
{
ilgen.Emit(OpCodes.Isinst, typeWrapper.TypeAsTBD);
}
}
}