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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*-
* vim: set ts=8 sts=2 et sw=2 tw=80:
* 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 frontend_ScopeIndex_h
#define frontend_ScopeIndex_h
#include <cstdint> // uint32_t, UINT32_MAX
#include "frontend/TypedIndex.h" // TypedIndex
namespace js {
class Scope;
class ScopeIndex : public frontend::TypedIndex<Scope> {
// Delegate constructors;
using Base = frontend::TypedIndex<Scope>;
using Base::Base;
static constexpr uint32_t InvalidIndex = UINT32_MAX;
public:
static constexpr ScopeIndex invalid() { return ScopeIndex(InvalidIndex); }
bool isValid() const { return index != InvalidIndex; }
};
} /* namespace js */
#endif /* frontend_ScopeIndex_h */
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