87 lines
2.5 KiB
C++
87 lines
2.5 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*-
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* vim: set ts=8 sts=4 et sw=4 tw=99:
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef vm_EnvironmentObject_inl_h
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#define vm_EnvironmentObject_inl_h
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#include "vm/EnvironmentObject.h"
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#include "frontend/SharedContext.h"
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#include "jsobjinlines.h"
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#include "vm/TypeInference-inl.h"
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namespace js {
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inline LexicalEnvironmentObject&
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NearestEnclosingExtensibleLexicalEnvironment(JSObject* env)
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{
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while (!IsExtensibleLexicalEnvironment(env))
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env = env->enclosingEnvironment();
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return env->as<LexicalEnvironmentObject>();
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}
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inline void
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EnvironmentObject::setAliasedBinding(JSContext* cx, uint32_t slot, PropertyName* name,
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const Value& v)
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{
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if (isSingleton()) {
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MOZ_ASSERT(name);
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AddTypePropertyId(cx, this, NameToId(name), v);
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// Keep track of properties which have ever been overwritten.
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if (!getSlot(slot).isUndefined()) {
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Shape* shape = lookup(cx, name);
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shape->setOverwritten();
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}
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}
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setSlot(slot, v);
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}
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inline void
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EnvironmentObject::setAliasedBinding(JSContext* cx, EnvironmentCoordinate ec, PropertyName* name,
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const Value& v)
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{
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setAliasedBinding(cx, ec.slot(), name, v);
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}
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inline void
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EnvironmentObject::setAliasedBinding(JSContext* cx, const BindingIter& bi, const Value& v)
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{
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MOZ_ASSERT(bi.location().kind() == BindingLocation::Kind::Environment);
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setAliasedBinding(cx, bi.location().slot(), bi.name()->asPropertyName(), v);
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}
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inline void
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CallObject::setAliasedFormalFromArguments(JSContext* cx, const Value& argsValue, jsid id,
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const Value& v)
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{
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setSlot(ArgumentsObject::SlotFromMagicScopeSlotValue(argsValue), v);
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if (isSingleton())
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AddTypePropertyId(cx, this, id, v);
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}
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} /* namespace js */
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inline JSObject*
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JSObject::enclosingEnvironment() const
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{
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if (is<js::EnvironmentObject>())
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return &as<js::EnvironmentObject>().enclosingEnvironment();
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if (is<js::DebugEnvironmentProxy>())
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return &as<js::DebugEnvironmentProxy>().enclosingEnvironment();
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if (is<js::GlobalObject>())
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return nullptr;
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MOZ_ASSERT_IF(is<JSFunction>(), as<JSFunction>().isInterpreted());
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return &global();
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}
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#endif /* vm_EnvironmentObject_inl_h */
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