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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*-
* 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 */
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