//(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 := heap.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, []interface{}{
// constructorObjs[0],
// rtda.JString(host),
// })
//}
}
func (self *Thread) throwException(className, initDesc string, initArgs ...interface{}) {
class := heap.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 := heap.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) *heap.Object {
internedStr := getInternedString(goStr)
if internedStr != nil {
return internedStr
}
chars := _stringToUtf16(goStr)
charArr := heap.NewCharArray(chars)
jStr := heap.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 := heap.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)
}
// 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 := heap.BootLoader().LoadClass("java/lang/ClassLoader")
getSysCl := clClass.GetStaticMethod("getSystemClassLoader", "()Ljava/lang/ClassLoader;")
frame.Thread().InvokeMethod(getSysCl)
}
// private native Class<?>[] getInterfaces0();
// ()[Ljava/lang/Class;
func getInterfaces0(frame *rtda.Frame) {
class := _popClass(frame)
interfaces := class.Interfaces()
interfaceObjs := make([]*heap.Object, len(interfaces))
for i, iface := range interfaces {
interfaceObjs[i] = iface.JClass()
}
jlClassClass := heap.BootLoader().JLClassClass()
interfaceArr := heap.NewRefArray2(jlClassClass, interfaceObjs)
stack := frame.OperandStack()
stack.PushRef(interfaceArr)
}
func getParameterTypeArr(method *heap.Method) *heap.Object {
paramTypes := method.ParameterTypes()
paramCount := len(paramTypes)
classClass := heap.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 *heap.Method) *heap.Object {
exTypes := method.ExceptionTypes()
exCount := len(exTypes)
classClass := heap.BootLoader().JLClassClass()
classArr := classClass.NewArray(uint(exCount))
if exCount > 0 {
classObjs := classArr.Refs()
for i, exType := range exTypes {
classObjs[i] = exType.JClass()
}
}
return classArr
}
// 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 := heap.DotToSlash(rtda.GoString(name))
class := heap.BootLoader().LoadClass(className)
// todo: init class?
stack := frame.OperandStack()
stack.PushRef(class.JClass())
// todo
if r := recover(); r != nil {
frame.OperandStack().PushRef(nil)
}
}
// 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 := heap.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")
}
func (self *BOOTSTRAP) Execute(frame *rtda.Frame) {
thread := frame.Thread()
if _classLoader == nil {
_classLoader = heap.BootLoader()
initVars(frame)
}
if bootClassesNotReady(thread) ||
mainThreadNotReady(thread) ||
jlSystemNotReady(thread) ||
mainClassNotReady(thread) {
return
}
execMain(thread)
}
// 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().(*heap.Class)
methods := class.GetMethods(publicOnly)
methodCount := uint(len(methods))
methodClass := heap.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, []interface{}{
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 := heap.DotToSlash(rtda.GoString(name))
if isAppClassLoader(this) {
class := heap.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 *heap.Object) {
self.stack.clear()
sysClass := heap.BootLoader().LoadClass("java/lang/System")
sysErr := sysClass.GetStaticValue("out", "Ljava/io/PrintStream;").(*heap.Object)
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().(*heap.Class)
constructors := class.GetConstructors(publicOnly)
constructorCount := uint(len(constructors))
constructorClass := heap.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, []interface{}{
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().(*heap.Class)
fields := class.GetFields(publicOnly)
fieldCount := uint(len(fields))
fieldClass := heap.BootLoader().LoadClass("java/lang/reflect/Field")
fieldArr := heap.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, []interface{}{
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": heap.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() *heap.ClassLoader {
return heap.BootLoader()
}