#pragma once
#include "CompilationResult.h"
#include "DFGCompilationKey.h"
#include "DFGCompilationMode.h"
#include "DFGDesiredGlobalProperties.h"
#include "DFGDesiredIdentifiers.h"
#include "DFGDesiredTransitions.h"
#include "DFGDesiredWatchpoints.h"
#include "DFGDesiredWeakReferences.h"
#include "DFGFinalizer.h"
#include "DeferredCompilationCallback.h"
#include "Operands.h"
#include "ProfilerCompilation.h"
#include "RecordedStatuses.h"
#include <wtf/HashMap.h>
#include <wtf/ThreadSafeRefCounted.h>
namespace JSC {
class CodeBlock;
class SlotVisitor;
namespace DFG {
class ThreadData;
#if ENABLE(DFG_JIT)
class Plan : public ThreadSafeRefCounted<Plan> {
public:
Plan(
CodeBlock* codeBlockToCompile, CodeBlock* profiledDFGCodeBlock,
CompilationMode, unsigned osrEntryBytecodeIndex,
const Operands<JSValue>& mustHandleValues);
~Plan();
void compileInThread(ThreadData*);
CompilationResult finalizeWithoutNotifyingCallback();
void finalizeAndNotifyCallback();
void notifyCompiling();
void notifyReady();
CompilationKey key();
void markCodeBlocks(SlotVisitor&);
template<typename Func>
void iterateCodeBlocksForGC(const Func&);
void checkLivenessAndVisitChildren(SlotVisitor&);
bool isKnownToBeLiveDuringGC();
void finalizeInGC();
void cancel();
bool canTierUpAndOSREnter() const { return !m_tierUpAndOSREnterBytecodes.isEmpty(); }
void cleanMustHandleValuesIfNecessary();
VM* vm() const { return m_vm; }
CodeBlock* codeBlock() { return m_codeBlock; }
bool isFTL() const { return DFG::isFTL(m_mode); }
CompilationMode mode() const { return m_mode; }
unsigned osrEntryBytecodeIndex() const { return m_osrEntryBytecodeIndex; }
const Operands<JSValue>& mustHandleValues() const { return m_mustHandleValues; }
ThreadData* threadData() const { return m_threadData; }
Profiler::Compilation* compilation() const { return m_compilation.get(); }
Finalizer* finalizer() const { return m_finalizer.get(); }
void setFinalizer(std::unique_ptr<Finalizer>&& finalizer) { m_finalizer = WTFMove(finalizer); }
RefPtr<InlineCallFrameSet> inlineCallFrames() const { return m_inlineCallFrames; }
DesiredWatchpoints& watchpoints() { return m_watchpoints; }
DesiredIdentifiers& identifiers() { return m_identifiers; }
DesiredWeakReferences& weakReferences() { return m_weakReferences; }
DesiredTransitions& transitions() { return m_transitions; }
DesiredGlobalProperties& globalProperties() { return m_globalProperties; }
RecordedStatuses& recordedStatuses() { return m_recordedStatuses; }
bool willTryToTierUp() const { return m_willTryToTierUp; }
void setWillTryToTierUp(bool willTryToTierUp) { m_willTryToTierUp = willTryToTierUp; }
HashMap<unsigned, Vector<unsigned>>& tierUpInLoopHierarchy() { return m_tierUpInLoopHierarchy; }
Vector<unsigned>& tierUpAndOSREnterBytecodes() { return m_tierUpAndOSREnterBytecodes; }
enum Stage { Preparing, Compiling, Ready, Cancelled };
Stage stage() const { return m_stage; }
DeferredCompilationCallback* callback() const { return m_callback.get(); }
void setCallback(Ref<DeferredCompilationCallback>&& callback) { m_callback = WTFMove(callback); }
private:
bool computeCompileTimes() const;
bool reportCompileTimes() const;
enum CompilationPath { FailPath, DFGPath, FTLPath, CancelPath };
CompilationPath compileInThreadImpl();
bool isStillValidOnMainThread();
bool isStillValid();
void reallyAdd(CommonData*);
VM* m_vm;
CodeBlock* m_codeBlock;
CodeBlock* m_profiledDFGCodeBlock;
CompilationMode m_mode;
const unsigned m_osrEntryBytecodeIndex;
Operands<JSValue> m_mustHandleValues;
bool m_mustHandleValuesMayIncludeGarbage { true };
Lock m_mustHandleValueCleaningLock;
ThreadData* m_threadData;
RefPtr<Profiler::Compilation> m_compilation;
std::unique_ptr<Finalizer> m_finalizer;
RefPtr<InlineCallFrameSet> m_inlineCallFrames;
DesiredWatchpoints m_watchpoints;
DesiredIdentifiers m_identifiers;
DesiredWeakReferences m_weakReferences;
DesiredTransitions m_transitions;
DesiredGlobalProperties m_globalProperties;
RecordedStatuses m_recordedStatuses;
bool m_willTryToTierUp { false };
HashMap<unsigned, Vector<unsigned>> m_tierUpInLoopHierarchy;
Vector<unsigned> m_tierUpAndOSREnterBytecodes;
Stage m_stage;
RefPtr<DeferredCompilationCallback> m_callback;
MonotonicTime m_timeBeforeFTL;
};
#endif // ENABLE(DFG_JIT)
} }