Skip to content

Commit

Permalink
Update index.js
Browse files Browse the repository at this point in the history 
Add try, finally
  • Loading branch information
@123edi10
123edi10 authored Nov 26, 2024
1 parent 00af796 commit 7507fa6
Showing 1 changed file with 62 additions and 57 deletions.
119 changes: 62 additions & 57 deletions index.js
View file
Original file line number Diff line number Diff line change
Expand Up @@ -21,20 +21,20 @@ const jsizeSize = 4;
const pointerSize = Process.pointerSize;

class Runtime {
ACC_PUBLIC = 0x0001;
ACC_PRIVATE = 0x0002;
ACC_PROTECTED = 0x0004;
ACC_STATIC = 0x0008;
ACC_FINAL = 0x0010;
ACC_PUBLIC = 0x0001;
ACC_PRIVATE = 0x0002;
ACC_PROTECTED = 0x0004;
ACC_STATIC = 0x0008;
ACC_FINAL = 0x0010;
ACC_SYNCHRONIZED = 0x0020;
ACC_BRIDGE = 0x0040;
ACC_VARARGS = 0x0080;
ACC_NATIVE = 0x0100;
ACC_ABSTRACT = 0x0400;
ACC_STRICT = 0x0800;
ACC_SYNTHETIC = 0x1000;

constructor () {
ACC_BRIDGE = 0x0040;
ACC_VARARGS = 0x0080;
ACC_NATIVE = 0x0100;
ACC_ABSTRACT = 0x0400;
ACC_STRICT = 0x0800;
ACC_SYNTHETIC = 0x1000;

constructor() {
this.classFactory = null;
this.ClassFactory = ClassFactory;
this.vm = null;
Expand All @@ -54,7 +54,7 @@ class Runtime {
}
}

_tryInitialize () {
_tryInitialize() {
if (this._initialized) {
return true;
}
Expand Down Expand Up @@ -87,7 +87,7 @@ class Runtime {
return true;
}

_dispose () {
_dispose() {
if (this.api === null) {
return;
}
Expand All @@ -102,15 +102,15 @@ class Runtime {
});
}

get available () {
get available() {
return this._tryInitialize();
}

get androidVersion () {
get androidVersion() {
return getAndroidVersion();
}

synchronized (obj, fn) {
synchronized(obj, fn) {
const { $h: objHandle = obj } = obj;
if (!(objHandle instanceof NativePointer)) {
throw new Error('Java.synchronized: the first argument `obj` must be either a pointer or a Java instance');
Expand All @@ -125,7 +125,7 @@ class Runtime {
}
}

enumerateLoadedClasses (callbacks) {
enumerateLoadedClasses(callbacks) {
this._checkAvailable();

const { flavor } = this.api;
Expand All @@ -138,19 +138,19 @@ class Runtime {
}
}

enumerateLoadedClassesSync () {
enumerateLoadedClassesSync() {
const classes = [];
this.enumerateLoadedClasses({
onMatch (c) {
onMatch(c) {
classes.push(c);
},
onComplete () {
onComplete() {
}
});
return classes;
}

enumerateClassLoaders (callbacks) {
enumerateClassLoaders(callbacks) {
this._checkAvailable();

const { flavor } = this.api;
Expand All @@ -163,19 +163,19 @@ class Runtime {
}
}

enumerateClassLoadersSync () {
enumerateClassLoadersSync() {
const loaders = [];
this.enumerateClassLoaders({
onMatch (c) {
onMatch(c) {
loaders.push(c);
},
onComplete () {
onComplete() {
}
});
return loaders;
}

_enumerateLoadedClassesJvm (callbacks) {
_enumerateLoadedClassesJvm(callbacks) {
const { api, vm } = this;
const { jvmti } = api;
const env = vm.getEnv();
Expand Down Expand Up @@ -206,11 +206,11 @@ class Runtime {
}
}

_enumerateClassLoadersJvm (callbacks) {
_enumerateClassLoadersJvm(callbacks) {
this.choose('java.lang.ClassLoader', callbacks);
}

_enumerateLoadedClassesArt (callbacks) {
_enumerateLoadedClassesArt(callbacks) {
const { vm, api } = this;
const env = vm.getEnv();

Expand All @@ -219,9 +219,14 @@ class Runtime {
withRunnableArtThread(vm, env, thread => {
const collectClassHandles = makeArtClassVisitor(klass => {
const handle = addGlobalReference(vmHandle, thread, klass);
const className = env.getClassName(handle);
callbacks.onMatch(className, handle);
env.deleteGlobalRef(handle);
try {
const className = env.getClassName(handle);
callbacks.onMatch(className, handle);
env.deleteGlobalRef(handle);
}
finally {
env.deleteGlobalRef(handle);
}
return true;
});

Expand All @@ -231,7 +236,7 @@ class Runtime {
callbacks.onComplete();
}

_enumerateClassLoadersArt (callbacks) {
_enumerateClassLoadersArt(callbacks) {
const { classFactory: factory, vm, api } = this;
const env = vm.getEnv();

Expand Down Expand Up @@ -269,7 +274,7 @@ class Runtime {
callbacks.onComplete();
}

_enumerateLoadedClassesDalvik (callbacks) {
_enumerateLoadedClassesDalvik(callbacks) {
const { api } = this;

const HASH_TOMBSTONE = ptr('0xcbcacccd');
Expand Down Expand Up @@ -303,7 +308,7 @@ class Runtime {
callbacks.onComplete();
}

enumerateMethods (query) {
enumerateMethods(query) {
const { classFactory: factory } = this;
const env = this.vm.getEnv();
const ClassLoader = factory.use('java.lang.ClassLoader');
Expand All @@ -316,7 +321,7 @@ class Runtime {
});
}

scheduleOnMainThread (fn) {
scheduleOnMainThread(fn) {
this.performNow(() => {
this._pendingMainOps.push(fn);

Expand All @@ -339,7 +344,7 @@ class Runtime {
});
}

_makePollHook () {
_makePollHook() {
const mainThreadId = Process.id;
const { _pendingMainOps: pending } = this;

Expand All @@ -359,7 +364,7 @@ class Runtime {
};
}

perform (fn) {
perform(fn) {
this._checkAvailable();

if (!this._isAppProcess() || this.classFactory.loader !== null) {
Expand All @@ -376,7 +381,7 @@ class Runtime {
}
}

performNow (fn) {
performNow(fn) {
this._checkAvailable();

return this.vm.perform(() => {
Expand All @@ -394,7 +399,7 @@ class Runtime {
});
}

_performPendingVmOpsWhenReady () {
_performPendingVmOpsWhenReady() {
this.vm.perform(() => {
const { classFactory: factory } = this;

Expand Down Expand Up @@ -450,7 +455,7 @@ class Runtime {
});
}

_performPendingVmOps () {
_performPendingVmOps() {
const { vm, _pendingVmOps: pending } = this;

let fn;
Expand All @@ -463,36 +468,36 @@ class Runtime {
}
}

use (className, options) {
use(className, options) {
return this.classFactory.use(className, options);
}

openClassFile (filePath) {
openClassFile(filePath) {
return this.classFactory.openClassFile(filePath);
}

choose (specifier, callbacks) {
choose(specifier, callbacks) {
this.classFactory.choose(specifier, callbacks);
}

retain (obj) {
retain(obj) {
return this.classFactory.retain(obj);
}

cast (obj, C) {
cast(obj, C) {
return this.classFactory.cast(obj, C);
}

array (type, elements) {
array(type, elements) {
return this.classFactory.array(type, elements);
}

backtrace (options) {
backtrace(options) {
return backtrace(this.vm, options);
}

// Reference: http://stackoverflow.com/questions/2848575/how-to-detect-ui-thread-on-android
isMainThread () {
isMainThread() {
const Looper = this.classFactory.use('android.os.Looper');
const mainLooper = Looper.getMainLooper();
const myLooper = Looper.myLooper();
Expand All @@ -502,32 +507,32 @@ class Runtime {
return mainLooper.$isSameObject(myLooper);
}

registerClass (spec) {
registerClass(spec) {
return this.classFactory.registerClass(spec);
}

deoptimizeEverything () {
deoptimizeEverything() {
const { vm } = this;
return deoptimizeEverything(vm, vm.getEnv());
}

deoptimizeBootImage () {
deoptimizeBootImage() {
const { vm } = this;
return deoptimizeBootImage(vm, vm.getEnv());
}

deoptimizeMethod (method) {
deoptimizeMethod(method) {
const { vm } = this;
return deoptimizeMethod(vm, vm.getEnv(), method);
}

_checkAvailable () {
_checkAvailable() {
if (!this.available) {
throw new Error('Java API not available');
}
}

_isAppProcess () {
_isAppProcess() {
let result = this._cachedIsAppProcess;
if (result === null) {
if (this.api.flavor === 'jvm') {
Expand Down Expand Up @@ -559,7 +564,7 @@ class Runtime {
}
}

function initFactoryFromApplication (factory, app) {
function initFactoryFromApplication(factory, app) {
const Process = factory.use('android.os.Process');

factory.loader = app.getClassLoader();
Expand All @@ -578,7 +583,7 @@ function initFactoryFromApplication (factory, app) {
}
}

function initFactoryFromLoadedApk (factory, apk) {
function initFactoryFromLoadedApk(factory, apk) {
const JFile = factory.use('java.io.File');

factory.loader = apk.getClassLoader();
Expand Down

0 comments on commit 7507fa6

Please sign in to comment.