/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*- * vim: set ts=8 sts=4 et sw=4 tw=99: * 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_EnvironmentObject_inl_h #define vm_EnvironmentObject_inl_h #include "vm/EnvironmentObject.h" #include "frontend/SharedContext.h" #include "jsobjinlines.h" #include "vm/TypeInference-inl.h" namespace js { inline LexicalEnvironmentObject& NearestEnclosingExtensibleLexicalEnvironment(JSObject* env) { while (!IsExtensibleLexicalEnvironment(env)) env = env->enclosingEnvironment(); return env->as<LexicalEnvironmentObject>(); } inline void EnvironmentObject::setAliasedBinding(JSContext* cx, uint32_t slot, PropertyName* name, const Value& v) { if (isSingleton()) { MOZ_ASSERT(name); AddTypePropertyId(cx, this, NameToId(name), v); // Keep track of properties which have ever been overwritten. if (!getSlot(slot).isUndefined()) { Shape* shape = lookup(cx, name); shape->setOverwritten(); } } setSlot(slot, v); } inline void EnvironmentObject::setAliasedBinding(JSContext* cx, EnvironmentCoordinate ec, PropertyName* name, const Value& v) { setAliasedBinding(cx, ec.slot(), name, v); } inline void EnvironmentObject::setAliasedBinding(JSContext* cx, const BindingIter& bi, const Value& v) { MOZ_ASSERT(bi.location().kind() == BindingLocation::Kind::Environment); setAliasedBinding(cx, bi.location().slot(), bi.name()->asPropertyName(), v); } inline void CallObject::setAliasedFormalFromArguments(JSContext* cx, const Value& argsValue, jsid id, const Value& v) { setSlot(ArgumentsObject::SlotFromMagicScopeSlotValue(argsValue), v); if (isSingleton()) AddTypePropertyId(cx, this, id, v); } } /* namespace js */ inline JSObject* JSObject::enclosingEnvironment() const { if (is<js::EnvironmentObject>()) return &as<js::EnvironmentObject>().enclosingEnvironment(); if (is<js::DebugEnvironmentProxy>()) return &as<js::DebugEnvironmentProxy>().enclosingEnvironment(); if (is<js::GlobalObject>()) return nullptr; MOZ_ASSERT_IF(is<JSFunction>(), as<JSFunction>().isInterpreted()); return &global(); } #endif /* vm_EnvironmentObject_inl_h */