JSAtomState.h (2139B)
1 /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- 2 * vim: set ts=8 sts=2 et sw=2 tw=80: 3 * This Source Code Form is subject to the terms of the Mozilla Public 4 * License, v. 2.0. If a copy of the MPL was not distributed with this 5 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ 6 7 #ifndef vm_JSAtomState_h 8 #define vm_JSAtomState_h 9 10 #include "gc/Barrier.h" 11 #include "js/ProtoKey.h" 12 #include "js/Symbol.h" 13 #include "vm/CommonPropertyNames.h" 14 15 namespace js { 16 class PropertyName; 17 } // namespace js 18 19 /* Various built-in or commonly-used names pinned on first context. */ 20 struct JSAtomState { 21 #define PROPERTYNAME_FIELD(id, text) \ 22 js::ImmutableTenuredPtr<js::PropertyName*> id; 23 FOR_EACH_COMMON_PROPERTYNAME(PROPERTYNAME_FIELD) 24 #undef PROPERTYNAME_FIELD 25 #define PROPERTYNAME_FIELD(name, clasp) \ 26 js::ImmutableTenuredPtr<js::PropertyName*> name; 27 JS_FOR_EACH_PROTOTYPE(PROPERTYNAME_FIELD) 28 #undef PROPERTYNAME_FIELD 29 #define PROPERTYNAME_FIELD(name) \ 30 js::ImmutableTenuredPtr<js::PropertyName*> name; 31 JS_FOR_EACH_WELL_KNOWN_SYMBOL(PROPERTYNAME_FIELD) 32 #undef PROPERTYNAME_FIELD 33 #define PROPERTYNAME_FIELD(name) \ 34 js::ImmutableTenuredPtr<js::PropertyName*> Symbol_##name; 35 JS_FOR_EACH_WELL_KNOWN_SYMBOL(PROPERTYNAME_FIELD) 36 #undef PROPERTYNAME_FIELD 37 38 js::ImmutableTenuredPtr<js::PropertyName*>* wellKnownSymbolNames(){ 39 #define FIRST_PROPERTYNAME_FIELD(name) return &name; 40 JS_FOR_EACH_WELL_KNOWN_SYMBOL(FIRST_PROPERTYNAME_FIELD) 41 #undef FIRST_PROPERTYNAME_FIELD 42 } 43 44 js::ImmutableTenuredPtr<js::PropertyName*>* wellKnownSymbolDescriptions() { 45 #define FIRST_PROPERTYNAME_FIELD(name) return &Symbol_##name; 46 JS_FOR_EACH_WELL_KNOWN_SYMBOL(FIRST_PROPERTYNAME_FIELD) 47 #undef FIRST_PROPERTYNAME_FIELD 48 } 49 }; 50 51 namespace js { 52 53 #define NAME_OFFSET(name) offsetof(JSAtomState, name) 54 55 inline Handle<PropertyName*> AtomStateOffsetToName(const JSAtomState& atomState, 56 size_t offset) { 57 return *reinterpret_cast<js::ImmutableTenuredPtr<js::PropertyName*>*>( 58 (char*)&atomState + offset); 59 } 60 61 } /* namespace js */ 62 63 #endif /* vm_JSAtomState_h */