mirror of
https://github.com/ethereum/solidity
synced 2023-10-03 13:03:40 +00:00
59 lines
1.4 KiB
C++
59 lines
1.4 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/>.
|
|
*/
|
|
/**
|
|
* Expression simplification pattern.
|
|
*/
|
|
|
|
#pragma once
|
|
|
|
#include <functional>
|
|
|
|
namespace dev
|
|
{
|
|
namespace eth
|
|
{
|
|
|
|
/**
|
|
* Rule that contains a pattern, an action that can be applied
|
|
* after the pattern has matched and a bool that indicates
|
|
* whether the action would remove something from the expression
|
|
* than is not a constant literal.
|
|
*/
|
|
template <class Pattern>
|
|
struct SimplificationRule
|
|
{
|
|
SimplificationRule(
|
|
Pattern _pattern,
|
|
std::function<Pattern()> _action,
|
|
bool _removesNonConstants,
|
|
std::function<bool()> _feasible = {}
|
|
):
|
|
pattern(std::move(_pattern)),
|
|
action(std::move(_action)),
|
|
removesNonConstants(_removesNonConstants),
|
|
feasible(std::move(_feasible))
|
|
{}
|
|
|
|
Pattern pattern;
|
|
std::function<Pattern()> action;
|
|
bool removesNonConstants;
|
|
std::function<bool()> feasible;
|
|
};
|
|
|
|
}
|
|
}
|