FunctionRareData.h [plain text]
#ifndef FunctionRareData_h
#define FunctionRareData_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&, JSObject* prototype, size_t inlineCapacity);
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 offsetOfAllocationProfile()
{
return OBJECT_OFFSETOF(FunctionRareData, m_allocationProfile);
}
ObjectAllocationProfile* allocationProfile()
{
return &m_allocationProfile;
}
Structure* allocationStructure() { return m_allocationProfile.structure(); }
InlineWatchpointSet& allocationProfileWatchpointSet()
{
return m_allocationProfileWatchpoint;
}
void clear(const char* reason);
void initialize(VM&, JSObject* prototype, size_t inlineCapacity);
bool isInitialized() { return !m_allocationProfile.isNull(); }
protected:
FunctionRareData(VM&);
~FunctionRareData();
void finishCreation(VM&, JSObject* prototype, size_t inlineCapacity);
using Base::finishCreation;
private:
friend class LLIntOffsetsExtractor;
ObjectAllocationProfile m_allocationProfile;
InlineWatchpointSet m_allocationProfileWatchpoint;
};
}
#endif // FunctionRareData_h