//(Ljava/lang/String;)[Ljava/net/InetAddress; func i6di_lookupAllHostAddr(frame *rtda.Frame) { vars := frame.LocalVars() host := rtda.GoString(vars.GetRef(1)) address, _ := net.LookupHost(host) constructorCount := uint(len(address)) inetAddress := rtc.BootLoader().LoadClass("java/net/InetAddress") inetAddressArr := inetAddress.NewArray(constructorCount) stack := frame.OperandStack() stack.PushRef(inetAddressArr) //TODO //getByName descriptor:(Ljava/lang/String;)Ljava/net/InetAddress; //if constructorCount > 0 { // thread := frame.Thread() // constructorObjs := inetAddressArr.Refs() // inetAddressGetByNameMethod := inetAddress.GetStaticMethod("getByName", "(Ljava/lang/String;)Ljava/net/InetAddress;") // fmt.Println(constructorObjs[0]) // fmt.Println(inetAddressGetByNameMethod) // fmt.Println(thread) // thread.InvokeMethodWithShim(inetAddressGetByNameMethod, []Any{ // constructorObjs[0], // rtda.JString(host), // }) //} }
func (self *Thread) throwException(className, initDesc string, initArgs ...Any) { class := rtc.BootLoader().LoadClass(className) exObj := class.NewObj() athrowFrame := newAthrowFrame(self, exObj, initArgs) self.PushFrame(athrowFrame) // init exObj constructor := class.GetConstructor(initDesc) self.InvokeMethod(constructor) }
func _callValueOf(frame *rtda.Frame, primitiveDescriptor, wrapperClassName string) { wrapperClass := rtc.BootLoader().LoadClass(wrapperClassName) valueOfDescriptor := "(" + primitiveDescriptor + ")L" + wrapperClassName + ";" valueOfMethod := wrapperClass.GetStaticMethod("valueOf", valueOfDescriptor) frame.Thread().InvokeMethod(valueOfMethod) // init wrapper class if wrapperClass.InitializationNotStarted() { frame.Thread().InitClass(wrapperClass) } }
// todo: is there a better way to create String? // go string -> java.lang.String func JString(goStr string) *rtc.Obj { internedStr := getInternedString(goStr) if internedStr != nil { return internedStr } chars := _stringToUtf16(goStr) charArr := rtc.NewCharArray(chars) jStr := rtc.BootLoader().JLStringClass().NewObj() jStr.SetFieldValue("value", "[C", charArr) return InternString(goStr, jStr) }
// native ConstantPool getConstantPool(); // ()Lsun/reflect/ConstantPool; func getConstantPool(frame *rtda.Frame) { class := _popClass(frame) cpClass := rtc.BootLoader().LoadClass("sun/reflect/ConstantPool") if cpClass.InitializationNotStarted() { frame.RevertNextPC() frame.Thread().InitClass(cpClass) return } cp := class.ConstantPool() cpObj := cpClass.NewObjWithExtra(cp) // todo init cpObj frame.OperandStack().PushRef(cpObj) }
// private native Class<?>[] getInterfaces0(); // ()[Ljava/lang/Class; func getInterfaces0(frame *rtda.Frame) { class := _popClass(frame) interfaces := class.Interfaces() interfaceObjs := make([]*rtc.Obj, len(interfaces)) for i, iface := range interfaces { interfaceObjs[i] = iface.JClass() } jlClassClass := rtc.BootLoader().JLClassClass() interfaceArr := rtc.NewRefArray2(jlClassClass, interfaceObjs) stack := frame.OperandStack() stack.PushRef(interfaceArr) }
// native ClassLoader getClassLoader0(); // ()Ljava/lang/ClassLoader; func getClassLoader0(frame *rtda.Frame) { class := _popClass(frame) from := class.LoadedFrom() stack := frame.OperandStack() if cp.IsBootClassPath(from) { stack.PushRef(nil) return } clClass := rtc.BootLoader().LoadClass("java/lang/ClassLoader") getSysCl := clClass.GetStaticMethod("getSystemClassLoader", "()Ljava/lang/ClassLoader;") frame.Thread().InvokeMethod(getSysCl) }
func getParameterTypeArr(method *rtc.Method) *rtc.Obj { paramTypes := method.ParameterTypes() paramCount := len(paramTypes) classClass := rtc.BootLoader().JLClassClass() classArr := classClass.NewArray(uint(paramCount)) if paramCount > 0 { classObjs := classArr.Refs() for i, paramType := range paramTypes { classObjs[i] = paramType.JClass() } } return classArr }
func getExceptionTypeArr(method *rtc.Method) *rtc.Obj { exTypes := method.ExceptionTypes() exCount := len(exTypes) classClass := rtc.BootLoader().JLClassClass() classArr := classClass.NewArray(uint(exCount)) if exCount > 0 { classObjs := classArr.Refs() for i, exType := range exTypes { classObjs[i] = exType.JClass() } } return classArr }
func (self *bootstrap) Execute(frame *rtda.Frame) { thread := frame.Thread() if _classLoader == nil { _classLoader = rtc.BootLoader() initVars(frame) } if bootClassesNotReady(thread) || mainThreadNotReady(thread) || jlSystemNotReady(thread) || mainClassNotReady(thread) { return } execMain(thread) }
// private static native InetAddress localInetAddress(FileDescriptor fd) throws IOException; func net_localInetAddress(frame *rtda.Frame) { //vars := frame.LocalVars() //this := vars.GetThis() //listen := this.Extra().(net.Listener) inetAddress := rtc.BootLoader().LoadClass("java/net/InetAddress") inetObj := inetAddress.NewObj() stack := frame.OperandStack() stack.PushRef(inetObj) //fmt.Println(inetAddress) //fmt.Println(listen.Addr().String()) //fmt.Println(listen.Addr().Network()) //panic("net_localInetAddress error") }
// private native Class<?> findBootstrapClass(String name); // (Ljava/lang/String;)Ljava/lang/Class; func findBootstrapClass(frame *rtda.Frame) { vars := frame.LocalVars() //this := vars.GetThis() name := vars.GetRef(1) className := rtc.DotToSlash(rtda.GoString(name)) class := rtc.BootLoader().LoadClass(className) // todo: init class? stack := frame.OperandStack() stack.PushRef(class.JClass()) // todo if r := recover(); r != nil { frame.OperandStack().PushRef(nil) } }
// private native Method[] getDeclaredMethods0(boolean publicOnly); // (Z)[Ljava/lang/reflect/Method; func getDeclaredMethods0(frame *rtda.Frame) { vars := frame.LocalVars() classObj := vars.GetThis() publicOnly := vars.GetBoolean(1) class := classObj.Extra().(*rtc.Class) methods := class.GetMethods(publicOnly) methodCount := uint(len(methods)) methodClass := rtc.BootLoader().LoadClass("java/lang/reflect/Method") methodArr := methodClass.NewArray(methodCount) stack := frame.OperandStack() stack.PushRef(methodArr) // create method objs if methodCount > 0 { thread := frame.Thread() methodObjs := methodArr.Refs() methodConstructor := methodClass.GetConstructor(_methodConstructorDescriptor) for i, method := range methods { methodObj := methodClass.NewObjWithExtra(method) methodObjs[i] = methodObj // init methodObj thread.InvokeMethodWithShim(methodConstructor, []Any{ methodObj, // this classObj, // declaringClass rtda.JString(method.Name()), // name getParameterTypeArr(method), // parameterTypes getReturnType(method), // returnType getExceptionTypeArr(method), // checkedExceptions int32(method.GetAccessFlags()), // modifiers int32(method.Slot()), // slot getSignatureStr(method.Signature()), // signature getAnnotationByteArr(method.AnnotationData()), // annotations getAnnotationByteArr(method.ParameterAnnotationData()), // parameterAnnotations getAnnotationByteArr(method.AnnotationDefaultData()), // annotationDefault }) } } }
// private native final Class<?> findLoadedClass0(String name); // (Ljava/lang/String;)Ljava/lang/Class; func findLoadedClass0(frame *rtda.Frame) { vars := frame.LocalVars() this := vars.GetThis() name := vars.GetRef(1) className := rtc.DotToSlash(rtda.GoString(name)) if isAppClassLoader(this) { class := rtc.BootLoader().FindLoadedClass(className) if class != nil { frame.OperandStack().PushRef(class.JClass()) } else { frame.OperandStack().PushRef(nil) } return } // todo frame.OperandStack().PushRef(nil) }
func (self *Thread) HandleUncaughtException(ex *rtc.Obj) { self.stack.clear() sysClass := rtc.BootLoader().LoadClass("java/lang/System") sysErr := sysClass.GetStaticValue("out", "Ljava/io/PrintStream;").(*rtc.Obj) printStackTrace := ex.Class().GetInstanceMethod("printStackTrace", "(Ljava/io/PrintStream;)V") // call ex.printStackTrace(System.err) newFrame := self.NewFrame(printStackTrace) vars := newFrame.localVars vars.SetRef(0, ex) vars.SetRef(1, sysErr) self.PushFrame(newFrame) // // printString := sysErr.Class().GetInstanceMethod("print", "(Ljava/lang/String;)V") // newFrame = self.NewFrame(printString) // vars = newFrame.localVars // vars.SetRef(0, sysErr) // vars.SetRef(1, JString("Exception in thread \"main\" ", newFrame)) // self.PushFrame(newFrame) }
// private native Constructor<T>[] getDeclaredConstructors0(boolean publicOnly); // (Z)[Ljava/lang/reflect/Constructor; func getDeclaredConstructors0(frame *rtda.Frame) { vars := frame.LocalVars() classObj := vars.GetThis() publicOnly := vars.GetBoolean(1) class := classObj.Extra().(*rtc.Class) constructors := class.GetConstructors(publicOnly) constructorCount := uint(len(constructors)) constructorClass := rtc.BootLoader().LoadClass("java/lang/reflect/Constructor") constructorArr := constructorClass.NewArray(constructorCount) stack := frame.OperandStack() stack.PushRef(constructorArr) if constructorCount > 0 { thread := frame.Thread() constructorObjs := constructorArr.Refs() constructorInitMethod := constructorClass.GetConstructor(_constructorConstructorDescriptor) for i, constructor := range constructors { constructorObj := constructorClass.NewObjWithExtra(constructor) constructorObjs[i] = constructorObj // init constructorObj thread.InvokeMethodWithShim(constructorInitMethod, []Any{ constructorObj, // this classObj, // declaringClass getParameterTypeArr(constructor), // parameterTypes getExceptionTypeArr(constructor), // checkedExceptions int32(constructor.GetAccessFlags()), // modifiers int32(0), // todo slot getSignatureStr(constructor.Signature()), // signature getAnnotationByteArr(constructor.AnnotationData()), // annotations getAnnotationByteArr(constructor.ParameterAnnotationData()), // parameterAnnotations }) } } }
// private native Field[] getDeclaredFields0(boolean publicOnly); // (Z)[Ljava/lang/reflect/Field; func getDeclaredFields0(frame *rtda.Frame) { vars := frame.LocalVars() classObj := vars.GetThis() publicOnly := vars.GetBoolean(1) class := classObj.Extra().(*rtc.Class) fields := class.GetFields(publicOnly) fieldCount := uint(len(fields)) fieldClass := rtc.BootLoader().LoadClass("java/lang/reflect/Field") fieldArr := rtc.NewRefArray(fieldClass, fieldCount) stack := frame.OperandStack() stack.PushRef(fieldArr) if fieldCount > 0 { thread := frame.Thread() fieldObjs := fieldArr.Refs() fieldConstructor := fieldClass.GetConstructor(_fieldConstructorDescriptor) for i, goField := range fields { fieldObj := fieldClass.NewObjWithExtra(goField) fieldObjs[i] = fieldObj // init fieldObj thread.InvokeMethodWithShim(fieldConstructor, []Any{ fieldObj, // this classObj, // declaringClass rtda.JString(goField.Name()), // name goField.Type().JClass(), // type int32(goField.GetAccessFlags()), // modifiers int32(goField.SlotId()), // slot getSignatureStr(goField.Signature()), // signature getAnnotationByteArr(goField.AnnotationData()), // annotations }) } } }
func _sysProps() map[string]string { return map[string]string{ "java.version": "1.8.0", "java.vendor": "jvm.go", "java.vendor.url": "https://github.com/zxh0/jvm.go", "java.home": options.AbsJavaHome, "java.class.version": "52.0", "java.class.path": rtc.BootLoader().ClassPath().String(), "java.awt.graphicsenv": "sun.awt.CGraphicsEnvironment", "os.name": runtime.GOOS, // todo "os.arch": runtime.GOARCH, // todo "os.version": "", // todo "file.separator": "/", // todo os.PathSeparator "path.separator": ":", // todo os.PathListSeparator "line.separator": "\n", // todo "user.name": "", // todo "user.home": "", // todo "user.dir": ".", // todo "user.country": "CN", // todo "file.encoding": "UTF-8", "sun.stdout.encoding": "UTF-8", "sun.stderr.encoding": "UTF-8", } }
// todo func (self *Frame) ClassLoader() *rtc.ClassLoader { return rtc.BootLoader() }