#ifndef Identifier_h
#define Identifier_h
#include "JSGlobalData.h"
#include "UString.h"
namespace JSC {
class ExecState;
class Identifier {
friend class Structure;
public:
Identifier() { }
Identifier(ExecState* exec, const char* s) : _ustring(add(exec, s)) { } Identifier(ExecState* exec, const UChar* s, int length) : _ustring(add(exec, s, length)) { }
Identifier(ExecState* exec, UString::Rep* rep) : _ustring(add(exec, rep)) { }
Identifier(ExecState* exec, const UString& s) : _ustring(add(exec, s.rep())) { }
Identifier(JSGlobalData* globalData, const char* s) : _ustring(add(globalData, s)) { } Identifier(JSGlobalData* globalData, const UChar* s, int length) : _ustring(add(globalData, s, length)) { }
Identifier(JSGlobalData* globalData, UString::Rep* rep) : _ustring(add(globalData, rep)) { }
Identifier(JSGlobalData* globalData, const UString& s) : _ustring(add(globalData, s.rep())) { }
Identifier(PlacementNewAdoptType) : _ustring(PlacementNewAdopt) { }
const UString& ustring() const { return _ustring; }
const UChar* data() const { return _ustring.data(); }
int size() const { return _ustring.size(); }
const char* ascii() const { return _ustring.ascii(); }
static Identifier from(ExecState* exec, unsigned y) { return Identifier(exec, UString::from(y)); }
bool isNull() const { return _ustring.isNull(); }
bool isEmpty() const { return _ustring.isEmpty(); }
uint32_t toUInt32(bool* ok) const { return _ustring.toUInt32(ok); }
uint32_t toUInt32(bool* ok, bool tolerateEmptyString) const { return _ustring.toUInt32(ok, tolerateEmptyString); };
uint32_t toStrictUInt32(bool* ok) const { return _ustring.toStrictUInt32(ok); }
unsigned toArrayIndex(bool* ok) const { return _ustring.toArrayIndex(ok); }
double toDouble() const { return _ustring.toDouble(); }
friend bool operator==(const Identifier&, const Identifier&);
friend bool operator!=(const Identifier&, const Identifier&);
friend bool operator==(const Identifier&, const char*);
friend bool operator!=(const Identifier&, const char*);
static void remove(UString::Rep*);
static bool equal(const UString::Rep*, const char*);
static bool equal(const UString::Rep*, const UChar*, int length);
static bool equal(const UString::Rep* a, const UString::Rep* b) { return JSC::equal(a, b); }
static PassRefPtr<UString::Rep> add(ExecState*, const char*); static PassRefPtr<UString::Rep> add(JSGlobalData*, const char*);
private:
UString _ustring;
static bool equal(const Identifier& a, const Identifier& b) { return a._ustring.rep() == b._ustring.rep(); }
static bool equal(const Identifier& a, const char* b) { return equal(a._ustring.rep(), b); }
static PassRefPtr<UString::Rep> add(ExecState*, const UChar*, int length);
static PassRefPtr<UString::Rep> add(JSGlobalData*, const UChar*, int length);
static PassRefPtr<UString::Rep> add(ExecState* exec, UString::Rep* r)
{
if (r->identifierTable()) {
#ifndef NDEBUG
checkSameIdentifierTable(exec, r);
#endif
return r;
}
return addSlowCase(exec, r);
}
static PassRefPtr<UString::Rep> add(JSGlobalData* globalData, UString::Rep* r)
{
if (r->identifierTable()) {
#ifndef NDEBUG
checkSameIdentifierTable(globalData, r);
#endif
return r;
}
return addSlowCase(globalData, r);
}
static PassRefPtr<UString::Rep> addSlowCase(ExecState*, UString::Rep* r);
static PassRefPtr<UString::Rep> addSlowCase(JSGlobalData*, UString::Rep* r);
static void checkSameIdentifierTable(ExecState*, UString::Rep*);
static void checkSameIdentifierTable(JSGlobalData*, UString::Rep*);
};
inline bool operator==(const Identifier& a, const Identifier& b)
{
return Identifier::equal(a, b);
}
inline bool operator!=(const Identifier& a, const Identifier& b)
{
return !Identifier::equal(a, b);
}
inline bool operator==(const Identifier& a, const char* b)
{
return Identifier::equal(a, b);
}
inline bool operator!=(const Identifier& a, const char* b)
{
return !Identifier::equal(a, b);
}
IdentifierTable* createIdentifierTable();
void deleteIdentifierTable(IdentifierTable*);
}
#endif // Identifier_h