FunctionRareData.h [plain text]
#ifndef FunctionRareData_h
#define FunctionRareData_h
#include "InternalFunctionAllocationProfile.h"
#include "JSCell.h"
#include "ObjectAllocationProfile.h"
#include "Watchpoint.h"
namespace JSC {
class JSGlobalObject;
class LLIntOffsetsExtractor;
namespace DFG {
class SpeculativeJIT;
class JITCompiler;
}
class FunctionRareData : public JSCell {
friend class JIT;
friend class DFG::SpeculativeJIT;
friend class DFG::JITCompiler;
friend class VM;
public:
typedef JSCell Base;
static const unsigned StructureFlags = StructureIsImmortal | Base::StructureFlags;
static FunctionRareData* create(VM&);
static const bool needsDestruction = true;
static void destroy(JSCell*);
static Structure* createStructure(VM&, JSGlobalObject*, JSValue prototype);
static void visitChildren(JSCell*, SlotVisitor&);
DECLARE_INFO;
static inline ptrdiff_t offsetOfObjectAllocationProfile()
{
return OBJECT_OFFSETOF(FunctionRareData, m_objectAllocationProfile);
}
ObjectAllocationProfile* objectAllocationProfile()
{
return &m_objectAllocationProfile;
}
Structure* objectAllocationStructure() { return m_objectAllocationProfile.structure(); }
InlineWatchpointSet& allocationProfileWatchpointSet()
{
return m_objectAllocationProfileWatchpoint;
}
void clear(const char* reason);
void initializeObjectAllocationProfile(VM&, JSObject* prototype, size_t inlineCapacity);
bool isObjectAllocationProfileInitialized() { return !m_objectAllocationProfile.isNull(); }
Structure* internalFunctionAllocationStructure() { return m_internalFunctionAllocationProfile.structure(); }
Structure* createInternalFunctionAllocationStructureFromBase(VM& vm, JSObject* prototype, Structure* baseStructure)
{
return m_internalFunctionAllocationProfile.createAllocationStructureFromBase(vm, this, prototype, baseStructure);
}
Structure* getBoundFunctionStructure() { return m_boundFunctionStructure.get(); }
void setBoundFunctionStructure(VM& vm, Structure* structure) { m_boundFunctionStructure.set(vm, this, structure); }
bool hasReifiedLength() const { return m_hasReifiedLength; }
void setHasReifiedLength() { m_hasReifiedLength = true; }
bool hasReifiedName() const { return m_hasReifiedName; }
void setHasReifiedName() { m_hasReifiedName = true; }
protected:
FunctionRareData(VM&);
~FunctionRareData();
private:
friend class LLIntOffsetsExtractor;
ObjectAllocationProfile m_objectAllocationProfile;
InlineWatchpointSet m_objectAllocationProfileWatchpoint;
InternalFunctionAllocationProfile m_internalFunctionAllocationProfile;
WriteBarrier<Structure> m_boundFunctionStructure;
bool m_hasReifiedLength { false };
bool m_hasReifiedName { false };
};
}
#endif // FunctionRareData_h