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();
}
internal RemapperTypeWrapper(CompilerClassLoader classLoader, IKVM.Internal.MapXml.Class c, IKVM.Internal.MapXml.Root map)
: base((Modifiers)c.Modifiers, c.Name)
{
this.classLoader = classLoader;
this.baseTypeWrapper = GetBaseWrapper(c);
classDef = c;
bool baseIsSealed = false;
shadowType = StaticCompiler.Universe.GetType(c.Shadows, true);
classLoader.SetRemappedType(shadowType, this);
Type baseType = shadowType;
Type baseInterface = null;
if(baseType.IsInterface)
{
baseInterface = baseType;
}
TypeAttributes attrs = TypeAttributes.Public;
if((c.Modifiers & IKVM.Internal.MapXml.MapModifiers.Interface) == 0)
{
attrs |= TypeAttributes.Class;
if(baseType.IsSealed)
{
baseIsSealed = true;
attrs |= TypeAttributes.Abstract | TypeAttributes.Sealed;
}
}
else
{
attrs |= TypeAttributes.Interface | TypeAttributes.Abstract;
baseType = null;
}
if((c.Modifiers & IKVM.Internal.MapXml.MapModifiers.Abstract) != 0)
{
attrs |= TypeAttributes.Abstract;
}
string name = c.Name.Replace('/', '.');
typeBuilder = classLoader.GetTypeWrapperFactory().ModuleBuilder.DefineType(name, attrs, baseIsSealed ? Types.Object : baseType);
if(c.Attributes != null)
{
foreach(IKVM.Internal.MapXml.Attribute custattr in c.Attributes)
{
AttributeHelper.SetCustomAttribute(classLoader, typeBuilder, custattr);
}
}
if(baseInterface != null)
{
typeBuilder.AddInterfaceImplementation(baseInterface);
}
if(classLoader.EmitStackTraceInfo)
{
AttributeHelper.SetSourceFile(typeBuilder, Path.GetFileName(classLoader.options.remapfile));
}
if(baseIsSealed)
{
AttributeHelper.SetModifiers(typeBuilder, (Modifiers)c.Modifiers, false);
}
if(c.scope == IKVM.Internal.MapXml.Scope.Public)
{
// FXBUG we would like to emit an attribute with a Type argument here, but that doesn't work because
// of a bug in SetCustomAttribute that causes type arguments to be serialized incorrectly (if the type
// is in the same assembly). Normally we use AttributeHelper.FreezeDry to get around this, but that doesn't
// work in this case (no attribute is emitted at all). So we work around by emitting a string instead
AttributeHelper.SetRemappedClass(classLoader.assemblyBuilder, name, shadowType);
AttributeHelper.SetRemappedType(typeBuilder, shadowType);
}
List<MethodWrapper> methods = new List<MethodWrapper>();
if(c.Constructors != null)
{
foreach(IKVM.Internal.MapXml.Constructor m in c.Constructors)
{
methods.Add(new RemappedConstructorWrapper(this, m));
}
}
if(c.Methods != null)
{
foreach(IKVM.Internal.MapXml.Method m in c.Methods)
{
methods.Add(new RemappedMethodWrapper(this, m, map, false));
}
}
// add methods from our super classes (e.g. Throwable should have Object's methods)
if(!this.IsFinal && !this.IsInterface && this.BaseTypeWrapper != null)
{
foreach(MethodWrapper mw in BaseTypeWrapper.GetMethods())
{
RemappedMethodWrapper rmw = mw as RemappedMethodWrapper;
if(rmw != null && (rmw.IsPublic || rmw.IsProtected))
{
if(!FindMethod(methods, rmw.Name, rmw.Signature))
{
methods.Add(new RemappedMethodWrapper(this, rmw.XmlMethod, map, true));
}
}
}
}
SetMethods(methods.ToArray());
}
private static void CreateNoFail(CompilerClassLoader loader, TypeWrapper[] interfaces, List<ProxyMethod> methods)
{
DynamicClassLoader factory = (DynamicClassLoader)loader.GetTypeWrapperFactory();
TypeBuilder tb = factory.DefineProxy(proxyClass, interfaces);
AttributeHelper.SetImplementsAttribute(tb, interfaces);
CreateConstructor(tb);
for (int i = 0; i < methods.Count; i++)
{
methods[i].fb = tb.DefineField("m" + i, javaLangReflectMethod.TypeAsSignatureType, FieldAttributes.Private | FieldAttributes.Static);
}
foreach (ProxyMethod method in methods)
{
CreateMethod(loader, tb, method);
}
CreateStaticInitializer(tb, methods);
}
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.Emit_Ldc_I4(parameters.Length);
ilgen.Emit(OpCodes.Newarr, Types.Object);
for (int i = 0; i < parameters.Length; i++)
{
ilgen.Emit(OpCodes.Dup);
ilgen.Emit_Ldc_I4(i);
ilgen.Emit(OpCodes.Ldarg, (short)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.Emit(OpCodes.Leave, returnLabel);
// TODO consider using a filter here (but we would need to add filter support to CodeEmitter)
ilgen.BeginCatchBlock(Types.Exception);
ilgen.Emit_Ldc_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(null, ilgen);
ilgen.Emit(OpCodes.Brtrue, rethrow);
ilgen.Emit(OpCodes.Ldloc, exception);
runtimeExceptionClass.EmitInstanceOf(null, ilgen);
ilgen.Emit(OpCodes.Brtrue, rethrow);
foreach (TypeWrapper tw in pm.exceptions)
{
ilgen.Emit(OpCodes.Ldloc, exception);
tw.EmitInstanceOf(null, ilgen);
ilgen.Emit(OpCodes.Brtrue, 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();
}
private static void CreateNoFail(CompilerClassLoader loader, TypeWrapper[] interfaces, List<ProxyMethod> methods)
{
bool ispublic = true;
Type[] interfaceTypes = new Type[interfaces.Length];
for (int i = 0; i < interfaceTypes.Length; i++)
{
ispublic &= interfaces[i].IsPublic;
interfaceTypes[i] = interfaces[i].TypeAsBaseType;
}
TypeAttributes attr = TypeAttributes.Class | TypeAttributes.Sealed;
attr |= ispublic ? TypeAttributes.NestedPublic : TypeAttributes.NestedAssembly;
DynamicClassLoader factory = (DynamicClassLoader)loader.GetTypeWrapperFactory();
TypeBuilder tb = factory.DefineProxy(TypeNameUtil.GetProxyNestedName(interfaces), attr, proxyClass.TypeAsBaseType, interfaceTypes);
AttributeHelper.SetImplementsAttribute(tb, interfaces);
// we apply an InnerClass attribute to avoid the CompiledTypeWrapper heuristics for figuring out the modifiers
AttributeHelper.SetInnerClass(tb, null, ispublic ? Modifiers.Public | Modifiers.Final : Modifiers.Final);
CreateConstructor(tb);
for (int i = 0; i < methods.Count; i++)
{
methods[i].fb = tb.DefineField("m" + i, javaLangReflectMethod.TypeAsSignatureType, FieldAttributes.Private | FieldAttributes.Static);
}
foreach (ProxyMethod method in methods)
{
CreateMethod(loader, tb, method);
}
CreateStaticInitializer(tb, methods, loader);
}
