escargot/third_party/yarr/HashMap.h
Seonghyun Kim 4c2efa224e Implement StackCheck in yarr
* Move many WTF class from WTFBridge to class file

Signed-off-by: Seonghyun Kim <sh8281.kim@samsung.com>
2024-07-16 14:25:28 +09:00

52 lines
1.8 KiB
C++

/*
* Copyright (c) 2024-present Samsung Electronics Co., Ltd
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public License
* along with this library; see the file COPYING.LIB. If not, write to
* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*
*/
#pragma once
#include <unordered_map>
#include <iterator>
namespace WTF {
template <typename Key, typename Value, typename Allocator = std::allocator<std::pair<Key const, Value>>>
class HashMap : public std::unordered_map<Key, Value, std::hash<Key>, std::equal_to<Key>, Allocator> {
public:
struct AddResult {
bool isNewEntry;
typename std::unordered_map<Key, Value, std::hash<Key>, std::equal_to<Key>, Allocator>::iterator iterator;
};
AddResult add(const Key& k, const Value& v)
{
AddResult r;
auto result = std::unordered_map<Key, Value, std::hash<Key>, std::equal_to<Key>, Allocator>::insert(std::make_pair(k, v));
r.iterator = result.first;
r.isNewEntry = result.second;
return r;
}
const Value& get(const Key& k)
{
return std::unordered_map<Key, Value, std::hash<Key>, std::equal_to<Key>, Allocator>::find(k)->second;
}
};
} // namespace WTF
using WTF::HashMap;