mirror of
https://github.com/LadybirdBrowser/ladybird.git
synced 2025-04-26 06:18:59 +00:00
48 lines
1.9 KiB
C++
48 lines
1.9 KiB
C++
/*
|
|
* Copyright (c) 2022, David Tuin <davidot@serenityos.org>
|
|
*
|
|
* SPDX-License-Identifier: BSD-2-Clause
|
|
*/
|
|
|
|
#pragma once
|
|
|
|
#include <LibJS/Module.h>
|
|
#include <LibJS/Runtime/DeclarativeEnvironment.h>
|
|
#include <LibJS/Runtime/Environment.h>
|
|
|
|
namespace JS {
|
|
|
|
// 9.1.1.5 Module Environment Records, https://tc39.es/ecma262/#sec-module-environment-records
|
|
class ModuleEnvironment final : public DeclarativeEnvironment {
|
|
JS_ENVIRONMENT(ModuleEnvironment, DeclarativeEnvironment);
|
|
|
|
public:
|
|
// Note: Module Environment Records support all of the declarative Environment Record methods listed
|
|
// in Table 18 and share the same specifications for all of those methods except for
|
|
// GetBindingValue, DeleteBinding, HasThisBinding and GetThisBinding.
|
|
// In addition, module Environment Records support the methods listed in Table 24.
|
|
virtual ThrowCompletionOr<Value> get_binding_value(VM&, DeprecatedFlyString const& name, bool strict) override;
|
|
virtual ThrowCompletionOr<bool> delete_binding(VM&, DeprecatedFlyString const& name) override;
|
|
virtual bool has_this_binding() const final { return true; }
|
|
virtual ThrowCompletionOr<Value> get_this_binding(VM&) const final;
|
|
ThrowCompletionOr<void> create_import_binding(DeprecatedFlyString name, Module* module, DeprecatedFlyString binding_name);
|
|
|
|
private:
|
|
explicit ModuleEnvironment(Environment* outer_environment);
|
|
|
|
virtual void visit_edges(Visitor&) override;
|
|
|
|
struct IndirectBinding {
|
|
DeprecatedFlyString name;
|
|
GCPtr<Module> module;
|
|
DeprecatedFlyString binding_name;
|
|
};
|
|
IndirectBinding const* get_indirect_binding(DeprecatedFlyString const& name) const;
|
|
|
|
virtual Optional<BindingAndIndex> find_binding_and_index(DeprecatedFlyString const& name) const override;
|
|
|
|
// FIXME: Since we always access this via the name this could be a map.
|
|
Vector<IndirectBinding> m_indirect_bindings;
|
|
};
|
|
|
|
}
|