v8::Local<v8::Value> V8Proxy::callFunction(v8::Handle<v8::Function> function, v8::Handle<v8::Object> receiver, int argc, v8::Handle<v8::Value> args[])
{
#ifdef ANDROID_INSTRUMENT
android::TimeCounter::start(android::TimeCounter::JavaScriptExecuteTimeCounter);
#endif
// For now, we don't put any artificial limitations on the depth
// of recursion that stems from calling functions. This is in
// contrast to the script evaluations.
v8::Local<v8::Value> result;
{
V8ConsoleMessage::Scope scope;
// Evaluating the JavaScript could cause the frame to be deallocated,
// so we start the keep alive timer here.
// Frame::keepAlive method adds the ref count of the frame and sets a
// timer to decrease the ref count. It assumes that the current JavaScript
// execution finishs before firing the timer.
m_frame->keepAlive();
result = function->Call(receiver, argc, args);
}
if (v8::V8::IsDead())
handleFatalErrorInV8();
#ifdef ANDROID_INSTRUMENT
android::TimeCounter::record(android::TimeCounter::JavaScriptExecuteTimeCounter, __FUNCTION__);
#endif
return result;
}
v8::Local<v8::Value> V8Proxy::instrumentedCallFunction(Frame* frame, v8::Handle<v8::Function> function, v8::Handle<v8::Object> receiver, int argc, v8::Handle<v8::Value> args[])
{
V8GCController::checkMemoryUsage();
if (V8RecursionScope::recursionLevel() >= kMaxRecursionDepth)
return handleMaxRecursionDepthExceeded();
ScriptExecutionContext* context = frame ? frame->document() : 0;
InspectorInstrumentationCookie cookie;
if (InspectorInstrumentation::hasFrontends() && context) {
String resourceName;
int lineNumber;
resourceInfo(function, resourceName, lineNumber);
cookie = InspectorInstrumentation::willCallFunction(context, resourceName, lineNumber);
}
v8::Local<v8::Value> result;
{
#if PLATFORM(CHROMIUM)
TRACE_EVENT1("v8", "v8.callFunction", "callsite", resourceString(function).utf8());
#endif
V8RecursionScope recursionScope(context);
result = function->Call(receiver, argc, args);
}
InspectorInstrumentation::didCallFunction(cookie);
if (v8::V8::IsDead())
handleFatalErrorInV8();
return result;
}
static void reportFatalErrorInV8(const char* location, const char* message)
{
// V8 is shutdown, we cannot use V8 api.
// The only thing we can do is to disable JavaScript.
// FIXME: clean up V8Proxy and disable JavaScript.
printf("V8 error: %s (%s)\n", message, location);
handleFatalErrorInV8();
}
v8::Local<v8::Value> V8Proxy::runScriptInternal(v8::Handle<v8::Script> script, bool isInlineCode)
#endif
{
if (script.IsEmpty())
return notHandledByInterceptor();
V8GCController::checkMemoryUsage();
// Compute the source string and prevent against infinite recursion.
if (m_recursion >= kMaxRecursionDepth) {
v8::Local<v8::String> code = v8ExternalString("throw RangeError('Recursion too deep')");
// FIXME: Ideally, we should be able to re-use the origin of the
// script passed to us as the argument instead of using an empty string
// and 0 baseLine.
script = compileScript(code, "", 0);
}
if (handleOutOfMemory())
ASSERT(script.IsEmpty());
if (script.IsEmpty())
return notHandledByInterceptor();
// Save the previous value of the inlineCode flag and update the flag for
// the duration of the script invocation.
bool previousInlineCode = inlineCode();
setInlineCode(isInlineCode);
// Run the script and keep track of the current recursion depth.
v8::Local<v8::Value> result;
{
V8ConsoleMessage::Scope scope;
// See comment in V8Proxy::callFunction.
m_frame->keepAlive();
m_recursion++;
result = script->Run();
m_recursion--;
}
// Release the storage mutex if applicable.
releaseStorageMutex();
if (handleOutOfMemory())
ASSERT(result.IsEmpty());
// Handle V8 internal error situation (Out-of-memory).
if (result.IsEmpty())
return notHandledByInterceptor();
// Restore inlineCode flag.
setInlineCode(previousInlineCode);
if (v8::V8::IsDead())
handleFatalErrorInV8();
return result;
}
v8::Local<v8::Value> V8Proxy::callFunctionWithoutFrame(v8::Handle<v8::Function> function, v8::Handle<v8::Object> receiver, int argc, v8::Handle<v8::Value> args[])
{
V8GCController::checkMemoryUsage();
v8::Local<v8::Value> result = function->Call(receiver, argc, args);
if (v8::V8::IsDead())
handleFatalErrorInV8();
return result;
}
static void reportFatalErrorInV8(const char* location, const char* message)
{
// V8 is shutdown, we cannot use V8 api.
// The only thing we can do is to disable JavaScript.
// FIXME: clean up V8Proxy and disable JavaScript.
int memoryUsageMB = -1;
#if PLATFORM(CHROMIUM)
memoryUsageMB = ChromiumBridge::actualMemoryUsageMB();
#endif
printf("V8 error: %s (%s). Current memory usage: %d MB\n", message, location, memoryUsageMB);
handleFatalErrorInV8();
}
v8::Local<v8::Value> V8Proxy::callFunction(v8::Handle<v8::Function> function, v8::Handle<v8::Object> receiver, int argc, v8::Handle<v8::Value> args[])
{
/// M: add for systrace
TRACE_METHOD()
V8GCController::checkMemoryUsage();
v8::Local<v8::Value> result;
{
if (m_recursion >= kMaxRecursionDepth) {
v8::Local<v8::String> code = v8::String::New("throw new RangeError('Maximum call stack size exceeded.')");
if (code.IsEmpty())
return result;
v8::Local<v8::Script> script = v8::Script::Compile(code);
if (script.IsEmpty())
return result;
script->Run();
return result;
}
// Evaluating the JavaScript could cause the frame to be deallocated,
// so we start the keep alive timer here.
// Frame::keepAlive method adds the ref count of the frame and sets a
// timer to decrease the ref count. It assumes that the current JavaScript
// execution finishs before firing the timer.
m_frame->keepAlive();
InspectorInstrumentationCookie cookie;
if (InspectorInstrumentation::hasFrontends()) {
v8::ScriptOrigin origin = function->GetScriptOrigin();
String resourceName("undefined");
int lineNumber = 1;
if (!origin.ResourceName().IsEmpty()) {
resourceName = toWebCoreString(origin.ResourceName());
lineNumber = function->GetScriptLineNumber() + 1;
}
cookie = InspectorInstrumentation::willCallFunction(m_frame, resourceName, lineNumber);
}
m_recursion++;
result = function->Call(receiver, argc, args);
m_recursion--;
InspectorInstrumentation::didCallFunction(cookie);
}
// Release the storage mutex if applicable.
didLeaveScriptContext();
if (v8::V8::IsDead())
handleFatalErrorInV8();
return result;
}
v8::Local<v8::Value> V8Proxy::newInstance(v8::Handle<v8::Function> constructor, int argc, v8::Handle<v8::Value> args[])
{
// No artificial limitations on the depth of recursion, see comment in
// V8Proxy::callFunction.
v8::Local<v8::Value> result;
{
// See comment in V8Proxy::callFunction.
m_frame->keepAlive();
result = constructor->NewInstance(argc, args);
}
if (v8::V8::IsDead())
handleFatalErrorInV8();
return result;
}
v8::Local<v8::Value> V8Proxy::newInstance(v8::Handle<v8::Function> constructor, int argc, v8::Handle<v8::Value> args[])
{
#if PLATFORM(CHROMIUM)
TRACE_EVENT0("v8", "v8.newInstance");
#endif
// No artificial limitations on the depth of recursion, see comment in
// V8Proxy::callFunction.
v8::Local<v8::Value> result;
{
result = constructor->NewInstance(argc, args);
}
if (v8::V8::IsDead())
handleFatalErrorInV8();
return result;
}
v8::Local<v8::Value> V8Proxy::callFunction(v8::Handle<v8::Function> function, v8::Handle<v8::Object> receiver, int argc, v8::Handle<v8::Value> args[])
{
#ifdef ANDROID_INSTRUMENT
android::TimeCounter::start(android::TimeCounter::JavaScriptExecuteTimeCounter);
#endif
V8GCController::checkMemoryUsage();
v8::Local<v8::Value> result;
{
V8ConsoleMessage::Scope scope;
if (m_recursion >= kMaxRecursionDepth) {
v8::Local<v8::String> code = v8::String::New("throw new RangeError('Maximum call stack size exceeded.')");
if (code.IsEmpty())
return result;
v8::Local<v8::Script> script = v8::Script::Compile(code);
if (script.IsEmpty())
return result;
script->Run();
return result;
}
// Evaluating the JavaScript could cause the frame to be deallocated,
// so we start the keep alive timer here.
// Frame::keepAlive method adds the ref count of the frame and sets a
// timer to decrease the ref count. It assumes that the current JavaScript
// execution finishs before firing the timer.
m_frame->keepAlive();
m_recursion++;
result = function->Call(receiver, argc, args);
m_recursion--;
}
// Release the storage mutex if applicable.
releaseStorageMutex();
if (v8::V8::IsDead())
handleFatalErrorInV8();
#ifdef ANDROID_INSTRUMENT
android::TimeCounter::record(android::TimeCounter::JavaScriptExecuteTimeCounter, __FUNCTION__);
#endif
return result;
}
v8::Local<v8::Value> V8Proxy::runScript(v8::Handle<v8::Script> script)
{
if (script.IsEmpty())
return v8::Local<v8::Value>();
V8GCController::checkMemoryUsage();
if (V8RecursionScope::recursionLevel() >= kMaxRecursionDepth)
return handleMaxRecursionDepthExceeded();
if (handleOutOfMemory())
ASSERT(script.IsEmpty());
// Keep Frame (and therefore ScriptController and V8Proxy) alive.
RefPtr<Frame> protect(frame());
// Run the script and keep track of the current recursion depth.
v8::Local<v8::Value> result;
v8::TryCatch tryCatch;
tryCatch.SetVerbose(true);
{
V8RecursionScope recursionScope(frame()->document());
result = script->Run();
}
if (handleOutOfMemory())
ASSERT(result.IsEmpty());
// Handle V8 internal error situation (Out-of-memory).
if (tryCatch.HasCaught()) {
ASSERT(result.IsEmpty());
return v8::Local<v8::Value>();
}
if (result.IsEmpty())
return v8::Local<v8::Value>();
if (v8::V8::IsDead())
handleFatalErrorInV8();
return result;
}
v8::Local<v8::Value> V8Proxy::instrumentedCallFunction(Frame* frame, v8::Handle<v8::Function> function, v8::Handle<v8::Object> receiver, int argc, v8::Handle<v8::Value> args[])
{
V8GCController::checkMemoryUsage();
if (V8RecursionScope::recursionLevel() >= kMaxRecursionDepth)
return handleMaxRecursionDepthExceeded();
ScriptExecutionContext* context = frame ? frame->document() : 0;
InspectorInstrumentationCookie cookie;
if (InspectorInstrumentation::hasFrontends() && context) {
String resourceName("undefined");
int lineNumber = 1;
v8::ScriptOrigin origin = function->GetScriptOrigin();
if (!origin.ResourceName().IsEmpty()) {
resourceName = toWebCoreString(origin.ResourceName());
lineNumber = function->GetScriptLineNumber() + 1;
}
cookie = InspectorInstrumentation::willCallFunction(context, resourceName, lineNumber);
}
v8::Local<v8::Value> result;
{
#if PLATFORM(CHROMIUM)
TRACE_EVENT0("v8", "v8.callFunction");
#endif
V8RecursionScope recursionScope(context);
result = function->Call(receiver, argc, args);
}
InspectorInstrumentation::didCallFunction(cookie);
if (v8::V8::IsDead())
handleFatalErrorInV8();
return result;
}
v8::Local<v8::Value> V8Proxy::callFunction(v8::Handle<v8::Function> function, v8::Handle<v8::Object> receiver, int argc, v8::Handle<v8::Value> args[])
{
V8GCController::checkMemoryUsage();
v8::Local<v8::Value> result;
{
V8ConsoleMessage::Scope scope;
if (m_recursion >= kMaxRecursionDepth) {
v8::Local<v8::String> code = v8::String::New("throw new RangeError('Maximum call stack size exceeded.')");
if (code.IsEmpty())
return result;
v8::Local<v8::Script> script = v8::Script::Compile(code);
if (script.IsEmpty())
return result;
script->Run();
return result;
}
// Evaluating the JavaScript could cause the frame to be deallocated,
// so we start the keep alive timer here.
// Frame::keepAlive method adds the ref count of the frame and sets a
// timer to decrease the ref count. It assumes that the current JavaScript
// execution finishs before firing the timer.
m_frame->keepAlive();
#if ENABLE(INSPECTOR)
Page* inspectedPage = InspectorTimelineAgent::instanceCount() ? m_frame->page(): 0;
if (inspectedPage) {
if (InspectorTimelineAgent* timelineAgent = inspectedPage->inspectorTimelineAgent()) {
v8::ScriptOrigin origin = function->GetScriptOrigin();
String resourceName("undefined");
int lineNumber = 1;
if (!origin.ResourceName().IsEmpty()) {
resourceName = toWebCoreString(origin.ResourceName());
lineNumber = function->GetScriptLineNumber() + 1;
}
timelineAgent->willCallFunction(resourceName, lineNumber);
} else
inspectedPage = 0;
}
#endif // !ENABLE(INSPECTOR)
m_recursion++;
result = function->Call(receiver, argc, args);
m_recursion--;
#if ENABLE(INSPECTOR)
if (inspectedPage)
if (InspectorTimelineAgent* timelineAgent = inspectedPage->inspectorTimelineAgent())
timelineAgent->didCallFunction();
#endif // !ENABLE(INSPECTOR)
}
// Release the storage mutex if applicable.
didLeaveScriptContext();
if (v8::V8::IsDead())
handleFatalErrorInV8();
return result;
}
