/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*-
 * vim: set ts=8 sts=2 et sw=2 tw=80:
 * This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

#ifndef vm_JSAtomState_h
#define vm_JSAtomState_h

#include "gc/Barrier.h"
#include "js/ProtoKey.h"
#include "js/Symbol.h"
#include "vm/CommonPropertyNames.h"

namespace js {
class PropertyName;
}  // namespace js

/* Various built-in or commonly-used names pinned on first context. */
struct JSAtomState {
#define PROPERTYNAME_FIELD(idpart, id, text) \
  js::ImmutableTenuredPtr<js::PropertyName*> id;
  FOR_EACH_COMMON_PROPERTYNAME(PROPERTYNAME_FIELD)
#undef PROPERTYNAME_FIELD
#define PROPERTYNAME_FIELD(name, clasp) \
  js::ImmutableTenuredPtr<js::PropertyName*> name;
  JS_FOR_EACH_PROTOTYPE(PROPERTYNAME_FIELD)
#undef PROPERTYNAME_FIELD
#define PROPERTYNAME_FIELD(name) \
  js::ImmutableTenuredPtr<js::PropertyName*> name;
  JS_FOR_EACH_WELL_KNOWN_SYMBOL(PROPERTYNAME_FIELD)
#undef PROPERTYNAME_FIELD
#define PROPERTYNAME_FIELD(name) \
  js::ImmutableTenuredPtr<js::PropertyName*> Symbol_##name;
  JS_FOR_EACH_WELL_KNOWN_SYMBOL(PROPERTYNAME_FIELD)
#undef PROPERTYNAME_FIELD

  js::ImmutableTenuredPtr<js::PropertyName*>* wellKnownSymbolNames() {
#define FIRST_PROPERTYNAME_FIELD(name) return &name;
    JS_FOR_EACH_WELL_KNOWN_SYMBOL(FIRST_PROPERTYNAME_FIELD)
#undef FIRST_PROPERTYNAME_FIELD
  }

  js::ImmutableTenuredPtr<js::PropertyName*>* wellKnownSymbolDescriptions() {
#define FIRST_PROPERTYNAME_FIELD(name) return &Symbol_##name;
    JS_FOR_EACH_WELL_KNOWN_SYMBOL(FIRST_PROPERTYNAME_FIELD)
#undef FIRST_PROPERTYNAME_FIELD
  }
};

namespace js {

#define NAME_OFFSET(name) offsetof(JSAtomState, name)

inline Handle<PropertyName*> AtomStateOffsetToName(const JSAtomState& atomState,
                                                   size_t offset) {
  return *reinterpret_cast<js::ImmutableTenuredPtr<js::PropertyName*>*>(
      (char*)&atomState + offset);
}

} /* namespace js */

#endif /* vm_JSAtomState_h */