summaryrefslogtreecommitdiff
path: root/Userland/Libraries/LibJS/Runtime/WithScope.cpp
blob: 21c7cab49e29945f3a0580d7f0d604faad9d4827 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
/*
 * Copyright (c) 2020, Andreas Kling <kling@serenityos.org>
 *
 * SPDX-License-Identifier: BSD-2-Clause
 */

#include <LibJS/AST.h>
#include <LibJS/Runtime/WithScope.h>

namespace JS {

WithScope::WithScope(Object& object, ScopeObject* parent_scope)
    : ScopeObject(parent_scope)
    , m_object(object)
{
}

void WithScope::visit_edges(Cell::Visitor& visitor)
{
    Base::visit_edges(visitor);
    visitor.visit(&m_object);
}

Optional<Variable> WithScope::get_from_scope(const FlyString& name) const
{
    auto value = m_object.get(name);
    if (value.is_empty())
        return {};
    return Variable { value, DeclarationKind::Var };
}

void WithScope::put_to_scope(const FlyString& name, Variable variable)
{
    m_object.put(name, variable.value);
}

bool WithScope::has_this_binding() const
{
    return parent()->has_this_binding();
}

Value WithScope::get_this_binding(GlobalObject& global_object) const
{
    return parent()->get_this_binding(global_object);
}

}