Handle<Value> WrappedScript::CreateContext(const Arguments& args)
{
HandleScope scope;
Local<Object> context = WrappedContext::NewInstance();
WrappedContext *wrappedContext = NativeObject::Unwrap<WrappedContext>(context);
if (args.Length() > 0) {
Local<Object> sandbox = args[0]->ToObject();
Local<Array> keys = sandbox->GetPropertyNames();
for (uint32_t i = 0; i < keys->Length(); i++) {
Handle<String> key = keys->Get(Integer::New(i))->ToString();
Handle<Value> value = sandbox->Get(key);
if (value == sandbox) {
value = context;
}
context->Set(key, value);
}
if (args.Length() > 1 && args[1]->IsFunction()) {
wrappedContext->SetInitCallback(Persistent<Function>::New(Handle<Function>::Cast(args[1])));
}
}
wrappedContext->GetV8Context()->SetSecurityToken(
Context::GetCurrent()->GetSecurityToken());
return scope.Close(context);
}
Handle<Value> WrappedScript::CreateContext(const Arguments& args)
{
HandleScope scope;
Persistent<Context> context = Context::New(NULL, WrappedContext::global_template);
WrappedContext *wrappedContext = new WrappedContext(context);
Local<Object> global = context->Global();
// Allow current context access to newly created context's objects.
context->SetSecurityToken(Context::GetCurrent()->GetSecurityToken());
// If a sandbox is provided initial the new context's global with it.
if (args.Length() > 0) {
Local<Object> sandbox = args[0]->ToObject();
Local<Array> keys = sandbox->GetPropertyNames();
for (uint32_t i = 0; i < keys->Length(); i++) {
Handle<String> key = keys->Get(Integer::New(i))->ToString();
Handle<Value> value = sandbox->Get(key);
if (value == sandbox) {
value = global;
}
global->Set(key, value);
}
if (args.Length() > 1 && args[1]->IsFunction()) {
wrappedContext->SetInitCallback(Persistent<Function>::New(Handle<Function>::Cast(args[1])));
}
}
return scope.Close(global);
}
Handle<Object> WrappedContext::WrapContext(Persistent<Context> context)
{
HandleScope scope;
WrappedContext *t = new WrappedContext(context);
Local<Object> wrappedContext = WrappedContext::NewInstance();
t->Wrap(wrappedContext);
return scope.Close(wrappedContext);
}
Handle<Value> WrappedContext::New(const Arguments& args)
{
HandleScope scope;
WrappedContext *t = new WrappedContext();
t->Wrap(args.This());
return args.This();
}
JNIEXPORT void JNICALL Java_org_appcelerator_kroll_runtime_v8_V8Runtime_nativeDispose(JNIEnv *env, jobject runtime)
{
JNIScope jniScope(env);
// We use a new scope here so any new handles we create
// while disposing are cleaned up before our global context
// is disposed below.
{
HandleScope scope;
// Any module that has been require()'d or opened via Window URL
// will be cleaned up here. We setup the initial "moduleContexts"
// Array and expose it on kroll above in nativeInit, and
// module.js will insert module contexts into this array in
// Module.prototype._runScript
uint32_t length = V8Runtime::moduleContexts->Length();
for (uint32_t i = 0; i < length; ++i) {
Handle<Value> moduleContext = V8Runtime::moduleContexts->Get(i);
// WrappedContext is simply a C++ wrapper for the V8 Context object,
// and is used to expose the Context to javascript. See ScriptsModule for
// implementation details
WrappedContext *wrappedContext = NativeObject::Unwrap<WrappedContext>(moduleContext->ToObject());
// Detach each context's global object, and dispose the context
wrappedContext->GetV8Context()->DetachGlobal();
wrappedContext->GetV8Context().Dispose();
}
// KrollBindings
KrollBindings::dispose();
EventEmitter::dispose();
V8Runtime::moduleContexts.Dispose();
V8Runtime::moduleContexts = Persistent<Array>();
V8Runtime::globalContext->DetachGlobal();
}
// Dispose of each class' static cache / resources
V8Util::dispose();
ProxyFactory::dispose();
moduleObject.Dispose();
moduleObject = Persistent<Object>();
runModuleFunction.Dispose();
runModuleFunction = Persistent<Function>();
V8Runtime::krollGlobalObject.Dispose();
V8Runtime::globalContext->Exit();
V8Runtime::globalContext.Dispose();
// Removes the retained global reference to the V8Runtime
env->DeleteGlobalRef(V8Runtime::javaInstance);
V8Runtime::javaInstance = NULL;
}
Handle<Value> WrappedScript::EvalMachine(const Arguments& args)
{
HandleScope scope;
if (input_flag == compileCode && args.Length() < 1) {
return ThrowException(Exception::TypeError(String::New("needs at least 'code' argument.")));
}
const int sandbox_index = input_flag == compileCode ? 1 : 0;
if (context_flag == userContext && args.Length() < (sandbox_index + 1)) {
return ThrowException(Exception::TypeError(String::New("needs a 'context' argument.")));
}
Local<String> code;
if (input_flag == compileCode) code = args[0]->ToString();
Local<Object> sandbox;
if (context_flag == newContext) {
sandbox = args[sandbox_index]->IsObject() ? args[sandbox_index]->ToObject() : Object::New();
} else if (context_flag == userContext) {
sandbox = args[sandbox_index]->ToObject();
}
const int filename_index = sandbox_index + (context_flag == newContext ? 1 : 0);
Local<String> filename =
args.Length() > filename_index ? args[filename_index]->ToString() : String::New("evalmachine.<anonymous>");
const int display_error_index = args.Length() - 1;
bool display_error = false;
if (args.Length() > display_error_index && args[display_error_index]->IsBoolean()
&& args[display_error_index]->BooleanValue() == true) {
display_error = true;
}
Persistent<Context> context;
Local<Array> keys;
unsigned int i;
WrappedContext *nContext = NULL;
Local<Object> contextArg;
if (context_flag == newContext) {
// Create the new context
context = Context::New();
} else if (context_flag == userContext) {
// Use the passed in context
contextArg = args[sandbox_index]->ToObject();
nContext = NativeObject::Unwrap<WrappedContext>(contextArg);
context = nContext->GetV8Context();
}
// New and user context share code. DRY it up.
if (context_flag == userContext || context_flag == newContext) {
// Enter the context
context->Enter();
// Call the initCallback, if it exists
if (nContext) {
Persistent<Function> initCallback = nContext->GetInitCallback();
if (!initCallback.IsEmpty()) {
Handle<Value> callbackArgs[] = { contextArg, context->Global() };
initCallback->Call(contextArg, 2, callbackArgs);
}
}
// Copy everything from the passed in sandbox (either the persistent
// context for runInContext(), or the sandbox arg to runInNewContext()).
keys = sandbox->GetPropertyNames();
for (i = 0; i < keys->Length(); i++) {
Handle<String> key = keys->Get(Integer::New(i))->ToString();
Handle<Value> value = sandbox->Get(key);
if (value == sandbox) {
value = context->Global();
}
context->Global()->Set(key, value);
}
}
Handle<Value> result;
Handle<Script> script;
if (input_flag == compileCode) {
// well, here WrappedScript::New would suffice in all cases, but maybe
// Compile has a little better performance where possible
script = output_flag == returnResult ? Script::Compile(code, filename) : Script::New(code, filename);
if (script.IsEmpty()) {
// Hack because I can't get a proper stacktrace on SyntaxError
return Undefined();
}
} else {
WrappedScript *n_script = NativeObject::Unwrap<WrappedScript>(args.Holder());
if (!n_script) {
return ThrowException(Exception::Error(String::New("Must be called as a method of Script.")));
} else if (n_script->script_.IsEmpty()) {
return ThrowException(Exception::Error(String::New("'this' must be a result of previous "
"new Script(code) call.")));
}
script = n_script->script_;
}
if (output_flag == returnResult) {
result = script->Run();
if (result.IsEmpty()) {
if (context_flag == newContext) {
context->DetachGlobal();
context->Exit();
context.Dispose();
}
return Undefined();
}
} else {
WrappedScript *n_script = NativeObject::Unwrap<WrappedScript>(args.Holder());
if (!n_script) {
return ThrowException(Exception::Error(String::New("Must be called as a method of Script.")));
}
n_script->script_ = Persistent<Script>::New(script);
result = args.This();
}
if (context_flag == userContext || context_flag == newContext) {
// success! copy changes back onto the sandbox object.
keys = context->Global()->GetPropertyNames();
for (i = 0; i < keys->Length(); i++) {
Handle<String> key = keys->Get(Integer::New(i))->ToString();
Handle<Value> value = context->Global()->Get(key);
if (value == context->Global()) {
value = sandbox;
}
sandbox->Set(key, value);
}
}
if (context_flag == newContext) {
// Clean up, clean up, everybody everywhere!
context->DetachGlobal();
context->Exit();
context.Dispose();
} else if (context_flag == userContext) {
// Exit the passed in context.
context->Exit();
}
if (result->IsObject()) {
Local<Context> creation = result->ToObject()->CreationContext();
}
return result == args.This() ? result : scope.Close(result);
}
JNIEXPORT void JNICALL Java_org_appcelerator_kroll_runtime_v8_V8Runtime_nativeDispose(JNIEnv *env, jobject runtime)
{
JNIScope jniScope(env);
// We use a new scope here so any new handles we create
// while disposing are cleaned up before our global context
// is disposed below.
{
HandleScope scope(V8Runtime::v8_isolate);
// Any module that has been require()'d or opened via Window URL
// will be cleaned up here. We setup the initial "moduleContexts"
// Array and expose it on kroll above in nativeInit, and
// module.js will insert module contexts into this array in
// Module.prototype._runScript
uint32_t length = V8Runtime::ModuleContexts()->Length();
for (uint32_t i = 0; i < length; ++i) {
Local<Value> moduleContext = V8Runtime::ModuleContexts()->Get(i);
// WrappedContext is simply a C++ wrapper for the V8 Context object,
// and is used to expose the Context to javascript. See ScriptsModule for
// implementation details
WrappedContext *wrappedContext = WrappedContext::Unwrap(V8Runtime::v8_isolate, moduleContext.As<Object>());
ASSERT(wrappedContext != NULL);
wrappedContext->Dispose();
}
// KrollBindings
KrollBindings::dispose(V8Runtime::v8_isolate);
EventEmitter::dispose();
V8Runtime::moduleContexts.Reset();
V8Runtime::GlobalContext()->DetachGlobal();
}
// Dispose of each class' static cache / resources
V8Util::dispose();
ProxyFactory::dispose();
V8Runtime::moduleObject.Reset();
V8Runtime::runModuleFunction.Reset();
V8Runtime::krollGlobalObject.Reset();
{
HandleScope scope(V8Runtime::v8_isolate);
V8Runtime::GlobalContext()->Exit();
}
V8Runtime::globalContext.Reset();
// Removes the retained global reference to the V8Runtime
env->DeleteGlobalRef(V8Runtime::javaInstance);
V8Runtime::javaInstance = NULL;
// Whereas most calls to IdleNotification get kicked off via Java (the looper's
// idle event in V8Runtime.java), we can't count on that running anymore at this point.
// So as our last act, run IdleNotification until it returns true so we can clean up all
// the stuff we just released references for above.
while (!V8Runtime::v8_isolate->IdleNotificationDeadline(V8Runtime::platform->MonotonicallyIncreasingTime() + 1.0));
// Typically in a V8 embedded app, we'd clean everything up here. But since
// an app may just be closed/backgrounded but still alive, we can't do this
// because we can't re-initialize once it's disposed.
// Do final cleanup
V8Runtime::v8_isolate->Exit();
//V8Runtime::v8_isolate->Dispose();
//V8::Dispose();
//V8::ShutdownPlatform();
//delete V8Runtime::platform;
}
Handle<Value> WrappedScript::EvalMachine(const Arguments& args)
{
HandleScope scope;
if (input_flag == compileCode && args.Length() < 1) {
return ThrowException(Exception::TypeError(String::New("needs at least 'code' argument.")));
}
const int sandbox_index = input_flag == compileCode ? 1 : 0;
if (context_flag == userContext && args.Length() < (sandbox_index + 1)) {
return ThrowException(Exception::TypeError(String::New("needs a 'context' argument.")));
}
Local<String> code;
if (input_flag == compileCode) code = args[0]->ToString();
Local<Object> sandbox;
if (context_flag == newContext) {
sandbox = args[sandbox_index]->IsObject() ? args[sandbox_index]->ToObject() : Object::New();
} else if (context_flag == userContext) {
sandbox = args[sandbox_index]->ToObject();
}
int filename_offset = 1;
if (context_flag == thisContext) {
filename_offset = 0;
}
const int filename_index = sandbox_index + filename_offset;
Local<String> filename =
args.Length() > filename_index ? args[filename_index]->ToString() : String::New("evalmachine.<anonymous>");
const int display_error_index = args.Length() - 1;
bool display_error = false;
if (args.Length() > display_error_index && args[display_error_index]->IsBoolean()
&& args[display_error_index]->BooleanValue() == true) {
display_error = true;
}
Persistent<Context> context;
Local<Array> keys;
unsigned int i;
WrappedContext *nContext = NULL;
Local<Object> contextArg;
if (context_flag == newContext) {
// Create the new context
context = Context::New();
} else if (context_flag == userContext) {
// Use the passed in context
contextArg = args[sandbox_index]->ToObject();
nContext = WrappedContext::Unwrap(contextArg);
context = nContext->GetV8Context();
}
// New and user context share code. DRY it up.
if (context_flag == userContext || context_flag == newContext) {
// Enter the context
context->Enter();
}
Handle<Value> result;
Handle<Script> script;
if (input_flag == compileCode) {
// well, here WrappedScript::New would suffice in all cases, but maybe
// Compile has a little better performance where possible
script = output_flag == returnResult ? Script::Compile(code, filename) : Script::New(code, filename);
if (script.IsEmpty()) {
// Hack because I can't get a proper stacktrace on SyntaxError
return Undefined();
}
} else {
WrappedScript *n_script = NativeObject::Unwrap<WrappedScript>(args.Holder());
if (!n_script) {
return ThrowException(Exception::Error(String::New("Must be called as a method of Script.")));
} else if (n_script->script_.IsEmpty()) {
return ThrowException(Exception::Error(String::New("'this' must be a result of previous "
"new Script(code) call.")));
}
script = n_script->script_;
}
if (output_flag == returnResult) {
result = script->Run();
if (result.IsEmpty()) {
if (context_flag == newContext) {
context->DetachGlobal();
context->Exit();
context.Dispose();
}
return Undefined();
}
} else {
WrappedScript *n_script = NativeObject::Unwrap<WrappedScript>(args.Holder());
if (!n_script) {
return ThrowException(Exception::Error(String::New("Must be called as a method of Script.")));
}
n_script->script_ = Persistent<Script>::New(script);
result = args.This();
}
if (context_flag == newContext) {
// Clean up, clean up, everybody everywhere!
context->DetachGlobal();
context->Exit();
context.Dispose();
} else if (context_flag == userContext) {
// Exit the passed in context.
context->Exit();
}
if (result->IsObject()) {
Local<Context> creation = result->ToObject()->CreationContext();
}
return result == args.This() ? result : scope.Close(result);
}
