Files
bun.sh/src/javascript/jsc/bindings/ScriptExecutionContext.h
2022-03-31 05:07:18 -07:00

95 lines
2.9 KiB
C++

#pragma once
#include "root.h"
#include "ActiveDOMObject.h"
#include <wtf/CrossThreadTask.h>
#include <wtf/Function.h>
#include <wtf/HashSet.h>
#include <wtf/ObjectIdentifier.h>
#include <wtf/WeakPtr.h>
#include <wtf/text/WTFString.h>
#include "CachedScript.h"
#include "wtf/URL.h"
namespace WebCore {
class ScriptExecutionContext : public CanMakeWeakPtr<ScriptExecutionContext> {
public:
ScriptExecutionContext(JSC::VM* vm, JSC::JSGlobalObject* globalObject)
: m_vm(vm)
, m_globalObject(globalObject)
{
}
class Task {
WTF_MAKE_FAST_ALLOCATED;
public:
enum CleanupTaskTag { CleanupTask };
template<typename T, typename = typename std::enable_if<!std::is_base_of<Task, T>::value && std::is_convertible<T, Function<void(ScriptExecutionContext&)>>::value>::type>
Task(T task)
: m_task(WTFMove(task))
, m_isCleanupTask(false)
{
}
Task(Function<void()>&& task)
: m_task([task = WTFMove(task)](ScriptExecutionContext&) { task(); })
, m_isCleanupTask(false)
{
}
template<typename T, typename = typename std::enable_if<std::is_convertible<T, Function<void(ScriptExecutionContext&)>>::value>::type>
Task(CleanupTaskTag, T task)
: m_task(WTFMove(task))
, m_isCleanupTask(true)
{
}
void performTask(ScriptExecutionContext& context) { m_task(context); }
bool isCleanupTask() const { return m_isCleanupTask; }
protected:
Function<void(ScriptExecutionContext&)> m_task;
bool m_isCleanupTask;
};
JSC::JSGlobalObject* jsGlobalObject()
{
return m_globalObject;
}
const WTF::URL& url() const { return m_url; }
bool activeDOMObjectsAreSuspended() { return false; }
bool activeDOMObjectsAreStopped() { return false; }
bool isContextThread() { return true; }
bool isDocument() { return false; }
bool isWorkerGlobalScope() { return true; }
bool isJSExecutionForbidden() { return false; }
void reportException(const String& errorMessage, int lineNumber, int columnNumber, const String& sourceURL, JSC::Exception* exception, RefPtr<void*>&&, CachedScript* = nullptr, bool = false)
{
}
// void reportUnhandledPromiseRejection(JSC::JSGlobalObject&, JSC::JSPromise&, RefPtr<Inspector::ScriptCallStack>&&)
// {
// }
void postTask(Task&&)
{
} // Executes the task on context's thread asynchronously.
template<typename... Arguments>
void postCrossThreadTask(Arguments&&... arguments)
{
postTask([crossThreadTask = createCrossThreadTask(arguments...)](ScriptExecutionContext&) mutable {
crossThreadTask.performTask();
});
}
JSC::VM& vm() { return *m_vm; }
private:
JSC::VM* m_vm = nullptr;
JSC::JSGlobalObject* m_globalObject = nullptr;
WTF::URL m_url = WTF::URL();
};
}