mirror of
https://github.com/ethereum/solidity
synced 2023-10-03 13:03:40 +00:00
60 lines
1.9 KiB
C++
60 lines
1.9 KiB
C++
/*
|
|
This file is part of solidity.
|
|
|
|
solidity is free software: you can redistribute it and/or modify
|
|
it under the terms of the GNU General Public License as published by
|
|
the Free Software Foundation, either version 3 of the License, or
|
|
(at your option) any later version.
|
|
|
|
solidity 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 General Public License for more details.
|
|
|
|
You should have received a copy of the GNU General Public License
|
|
along with solidity. If not, see <http://www.gnu.org/licenses/>.
|
|
*/
|
|
// SPDX-License-Identifier: GPL-3.0
|
|
/**
|
|
* Container of (unparsed) Yul functions identified by name which are meant to be generated
|
|
* only once.
|
|
*/
|
|
|
|
#pragma once
|
|
|
|
#include <functional>
|
|
#include <map>
|
|
#include <string>
|
|
|
|
namespace solidity::frontend
|
|
{
|
|
|
|
/**
|
|
* Container of (unparsed) Yul functions identified by name which are meant to be generated
|
|
* only once.
|
|
*/
|
|
class MultiUseYulFunctionCollector
|
|
{
|
|
public:
|
|
/// Helper function that uses @a _creator to create a function and add it to
|
|
/// @a m_requestedFunctions if it has not been created yet and returns @a _name in both
|
|
/// cases.
|
|
std::string createFunction(std::string const& _name, std::function<std::string()> const& _creator);
|
|
|
|
/// @returns concatenation of all generated functions.
|
|
/// Guarantees that the order of functions in the generated code is deterministic and
|
|
/// platform-independent.
|
|
/// Clears the internal list, i.e. calling it again will result in an
|
|
/// empty return value.
|
|
std::string requestedFunctions();
|
|
|
|
/// @returns true IFF a function with the specified name has already been collected.
|
|
bool contains(std::string const& _name) const { return m_requestedFunctions.count(_name) > 0; }
|
|
|
|
private:
|
|
/// Map from function name to code for a multi-use function.
|
|
std::map<std::string, std::string> m_requestedFunctions;
|
|
};
|
|
|
|
}
|