JSCallbackData.cpp [plain text]
#include "config.h"
#include "JSCallbackData.h"
#include "Document.h"
#include "JSDOMBinding.h"
#include "JSMainThreadExecState.h"
#include "JSMainThreadExecStateInstrumentation.h"
#include <runtime/Exception.h>
using namespace JSC;
namespace WebCore {
JSValue JSCallbackData::invokeCallback(JSDOMGlobalObject& globalObject, JSObject* callback, MarkedArgumentBuffer& args, CallbackType method, PropertyName functionName, NakedPtr<JSC::Exception>& returnedException)
{
ASSERT(callback);
ExecState* exec = globalObject.globalExec();
JSValue function;
CallData callData;
CallType callType = CallType::None;
if (method != CallbackType::Object) {
function = callback;
callType = callback->methodTable()->getCallData(callback, callData);
}
if (callType == CallType::None) {
if (method == CallbackType::Function) {
returnedException = JSC::Exception::create(exec->vm(), createTypeError(exec));
return JSValue();
}
ASSERT(!functionName.isNull());
function = callback->get(exec, functionName);
callType = getCallData(function, callData);
if (callType == CallType::None) {
returnedException = JSC::Exception::create(exec->vm(), createTypeError(exec));
return JSValue();
}
}
ASSERT(!function.isEmpty());
ASSERT(callType != CallType::None);
ScriptExecutionContext* context = globalObject.scriptExecutionContext();
if (!context)
return JSValue();
InspectorInstrumentationCookie cookie = JSMainThreadExecState::instrumentFunctionCall(context, callType, callData);
returnedException = nullptr;
JSValue result = context->isDocument()
? JSMainThreadExecState::profiledCall(exec, JSC::ProfilingReason::Other, function, callType, callData, callback, args, returnedException)
: JSC::profiledCall(exec, JSC::ProfilingReason::Other, function, callType, callData, callback, args, returnedException);
InspectorInstrumentation::didCallFunction(cookie, context);
return result;
}
bool JSCallbackDataWeak::WeakOwner::isReachableFromOpaqueRoots(JSC::Handle<JSC::Unknown>, void* context, SlotVisitor& visitor)
{
return visitor.containsOpaqueRoot(context);
}
}