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Diffstat (limited to 'js/src/vm/EnvironmentObject-inl.h')
-rw-r--r-- | js/src/vm/EnvironmentObject-inl.h | 86 |
1 files changed, 86 insertions, 0 deletions
diff --git a/js/src/vm/EnvironmentObject-inl.h b/js/src/vm/EnvironmentObject-inl.h new file mode 100644 index 000000000..0cb3a41e9 --- /dev/null +++ b/js/src/vm/EnvironmentObject-inl.h @@ -0,0 +1,86 @@ +/* -*- 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 */ |