mirror of
https://github.com/LadybirdBrowser/ladybird.git
synced 2025-11-04 07:10:57 +00:00
54 lines
1.5 KiB
C++
54 lines
1.5 KiB
C++
/*
|
|
* Copyright (c) 2021, David Tuin <davidot@serenityos.org>
|
|
*
|
|
* SPDX-License-Identifier: BSD-2-Clause
|
|
*/
|
|
|
|
#include <LibJS/Runtime/PrivateEnvironment.h>
|
|
|
|
namespace JS {
|
|
|
|
PrivateEnvironment::PrivateEnvironment(PrivateEnvironment* parent)
|
|
: m_outer_environment(parent)
|
|
, m_unique_id(s_next_id++)
|
|
{
|
|
// FIXME: We might want to delay getting the next unique id until required.
|
|
VERIFY(s_next_id != 0);
|
|
}
|
|
|
|
// Note: we start at one such that 0 can be invalid / default initialized.
|
|
u64 PrivateEnvironment::s_next_id = 1u;
|
|
|
|
PrivateName PrivateEnvironment::resolve_private_identifier(FlyString const& identifier) const
|
|
{
|
|
auto name_or_end = find_private_name(identifier);
|
|
|
|
if (!name_or_end.is_end())
|
|
return *name_or_end;
|
|
|
|
// Note: This verify ensures that we must either have a private name with a matching description
|
|
// or have an outer environment. Combined this means that we assert that we always return a PrivateName.
|
|
VERIFY(m_outer_environment);
|
|
return m_outer_environment->resolve_private_identifier(identifier);
|
|
}
|
|
|
|
void PrivateEnvironment::add_private_name(Badge<ClassExpression>, FlyString description)
|
|
{
|
|
if (!find_private_name(description).is_end())
|
|
return;
|
|
|
|
m_private_names.empend(m_unique_id, move(description));
|
|
}
|
|
|
|
bool PrivateName::operator==(PrivateName const& rhs) const
|
|
{
|
|
return unique_id == rhs.unique_id && description == rhs.description;
|
|
}
|
|
|
|
void PrivateEnvironment::visit_edges(Visitor& visitor)
|
|
{
|
|
Cell::visit_edges(visitor);
|
|
visitor.visit(m_outer_environment);
|
|
}
|
|
|
|
}
|