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			157 lines
		
	
	
		
			7.3 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			157 lines
		
	
	
		
			7.3 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
/*
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	This file is part of solidity.
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	solidity is free software: you can redistribute it and/or modify
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	it under the terms of the GNU General Public License as published by
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	the Free Software Foundation, either version 3 of the License, or
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	(at your option) any later version.
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	solidity is distributed in the hope that it will be useful,
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	but WITHOUT ANY WARRANTY; without even the implied warranty of
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	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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	GNU General Public License for more details.
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	You should have received a copy of the GNU General Public License
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	along with solidity.  If not, see <http://www.gnu.org/licenses/>.
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*/
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// SPDX-License-Identifier: GPL-3.0
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/**
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 * Expression simplification pattern.
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 */
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#pragma once
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#include <libevmasm/Instruction.h>
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#include <libsolutil/CommonData.h>
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#include <functional>
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namespace solidity::evmasm
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{
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/**
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 * Rule that contains a pattern, an action that can be applied
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 * after the pattern has matched and optional condition to check if the
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 * action should be applied.
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 */
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template <class Pattern>
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struct SimplificationRule
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{
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	SimplificationRule(
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		Pattern _pattern,
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		std::function<Pattern()> _action,
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		std::function<bool()> _feasible = {}
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	):
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		pattern(std::move(_pattern)),
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		action(std::move(_action)),
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		feasible(std::move(_feasible))
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	{}
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	Pattern pattern;
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	std::function<Pattern()> action;
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	std::function<bool()> feasible;
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};
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template <typename Pattern>
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struct EVMBuiltins
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{
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	using InstrType = Instruction;
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	template<Instruction inst>
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	struct PatternGenerator
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	{
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		template<typename... Args> constexpr Pattern operator()(Args&&... _args) const
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		{
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			return {inst, {std::forward<Args>(_args)...}};
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		}
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	};
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	struct PatternGeneratorInstance
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	{
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		Instruction instruction;
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		template<typename... Args> constexpr Pattern operator()(Args&&... _args) const
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		{
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			return {instruction, {std::forward<Args>(_args)...}};
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		}
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	};
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	static auto constexpr STOP = PatternGenerator<Instruction::STOP>{};
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	static auto constexpr ADD = PatternGenerator<Instruction::ADD>{};
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	static auto constexpr SUB = PatternGenerator<Instruction::SUB>{};
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	static auto constexpr MUL = PatternGenerator<Instruction::MUL>{};
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	static auto constexpr DIV = PatternGenerator<Instruction::DIV>{};
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	static auto constexpr SDIV = PatternGenerator<Instruction::SDIV>{};
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	static auto constexpr MOD = PatternGenerator<Instruction::MOD>{};
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	static auto constexpr SMOD = PatternGenerator<Instruction::SMOD>{};
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	static auto constexpr EXP = PatternGenerator<Instruction::EXP>{};
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	static auto constexpr NOT = PatternGenerator<Instruction::NOT>{};
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	static auto constexpr LT = PatternGenerator<Instruction::LT>{};
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	static auto constexpr GT = PatternGenerator<Instruction::GT>{};
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	static auto constexpr SLT = PatternGenerator<Instruction::SLT>{};
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	static auto constexpr SGT = PatternGenerator<Instruction::SGT>{};
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	static auto constexpr EQ = PatternGenerator<Instruction::EQ>{};
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	static auto constexpr ISZERO = PatternGenerator<Instruction::ISZERO>{};
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	static auto constexpr AND = PatternGenerator<Instruction::AND>{};
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	static auto constexpr OR = PatternGenerator<Instruction::OR>{};
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	static auto constexpr XOR = PatternGenerator<Instruction::XOR>{};
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	static auto constexpr BYTE = PatternGenerator<Instruction::BYTE>{};
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	static auto constexpr SHL = PatternGenerator<Instruction::SHL>{};
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	static auto constexpr SHR = PatternGenerator<Instruction::SHR>{};
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	static auto constexpr SAR = PatternGenerator<Instruction::SAR>{};
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	static auto constexpr ADDMOD = PatternGenerator<Instruction::ADDMOD>{};
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	static auto constexpr MULMOD = PatternGenerator<Instruction::MULMOD>{};
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	static auto constexpr SIGNEXTEND = PatternGenerator<Instruction::SIGNEXTEND>{};
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	static auto constexpr KECCAK256 = PatternGenerator<Instruction::KECCAK256>{};
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	static auto constexpr ADDRESS = PatternGenerator<Instruction::ADDRESS>{};
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	static auto constexpr BALANCE = PatternGenerator<Instruction::BALANCE>{};
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	static auto constexpr ORIGIN = PatternGenerator<Instruction::ORIGIN>{};
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	static auto constexpr CALLER = PatternGenerator<Instruction::CALLER>{};
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	static auto constexpr CALLVALUE = PatternGenerator<Instruction::CALLVALUE>{};
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	static auto constexpr CALLDATALOAD = PatternGenerator<Instruction::CALLDATALOAD>{};
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	static auto constexpr CALLDATASIZE = PatternGenerator<Instruction::CALLDATASIZE>{};
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	static auto constexpr CALLDATACOPY = PatternGenerator<Instruction::CALLDATACOPY>{};
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	static auto constexpr CODESIZE = PatternGenerator<Instruction::CODESIZE>{};
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	static auto constexpr CODECOPY = PatternGenerator<Instruction::CODECOPY>{};
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	static auto constexpr GASPRICE = PatternGenerator<Instruction::GASPRICE>{};
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	static auto constexpr EXTCODESIZE = PatternGenerator<Instruction::EXTCODESIZE>{};
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	static auto constexpr EXTCODECOPY = PatternGenerator<Instruction::EXTCODECOPY>{};
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	static auto constexpr RETURNDATASIZE = PatternGenerator<Instruction::RETURNDATASIZE>{};
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	static auto constexpr RETURNDATACOPY = PatternGenerator<Instruction::RETURNDATACOPY>{};
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	static auto constexpr EXTCODEHASH = PatternGenerator<Instruction::EXTCODEHASH>{};
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	static auto constexpr BLOCKHASH = PatternGenerator<Instruction::BLOCKHASH>{};
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	static auto constexpr COINBASE = PatternGenerator<Instruction::COINBASE>{};
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	static auto constexpr TIMESTAMP = PatternGenerator<Instruction::TIMESTAMP>{};
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	static auto constexpr NUMBER = PatternGenerator<Instruction::NUMBER>{};
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	static auto constexpr DIFFICULTY = PatternGenerator<Instruction::DIFFICULTY>{};
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	static auto constexpr GASLIMIT = PatternGenerator<Instruction::GASLIMIT>{};
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	static auto constexpr CHAINID = PatternGenerator<Instruction::CHAINID>{};
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	static auto constexpr SELFBALANCE = PatternGenerator<Instruction::SELFBALANCE>{};
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	static auto constexpr BASEFEE = PatternGenerator<Instruction::BASEFEE>{};
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	static auto constexpr POP = PatternGenerator<Instruction::POP>{};
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	static auto constexpr MLOAD = PatternGenerator<Instruction::MLOAD>{};
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	static auto constexpr MSTORE = PatternGenerator<Instruction::MSTORE>{};
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	static auto constexpr MSTORE8 = PatternGenerator<Instruction::MSTORE8>{};
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	static auto constexpr SLOAD = PatternGenerator<Instruction::SLOAD>{};
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	static auto constexpr SSTORE = PatternGenerator<Instruction::SSTORE>{};
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	static auto constexpr PC = PatternGenerator<Instruction::PC>{};
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	static auto constexpr MSIZE = PatternGenerator<Instruction::MSIZE>{};
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	static auto constexpr GAS = PatternGenerator<Instruction::GAS>{};
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	static auto constexpr LOG0 = PatternGenerator<Instruction::LOG0>{};
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	static auto constexpr LOG1 = PatternGenerator<Instruction::LOG1>{};
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	static auto constexpr LOG2 = PatternGenerator<Instruction::LOG2>{};
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	static auto constexpr LOG3 = PatternGenerator<Instruction::LOG3>{};
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	static auto constexpr LOG4 = PatternGenerator<Instruction::LOG4>{};
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	static auto constexpr CREATE = PatternGenerator<Instruction::CREATE>{};
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	static auto constexpr CALL = PatternGenerator<Instruction::CALL>{};
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	static auto constexpr CALLCODE = PatternGenerator<Instruction::CALLCODE>{};
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	static auto constexpr STATICCALL = PatternGenerator<Instruction::STATICCALL>{};
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	static auto constexpr RETURN = PatternGenerator<Instruction::RETURN>{};
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	static auto constexpr DELEGATECALL = PatternGenerator<Instruction::DELEGATECALL>{};
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	static auto constexpr CREATE2 = PatternGenerator<Instruction::CREATE2>{};
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	static auto constexpr REVERT = PatternGenerator<Instruction::REVERT>{};
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	static auto constexpr INVALID = PatternGenerator<Instruction::INVALID>{};
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	static auto constexpr SELFDESTRUCT = PatternGenerator<Instruction::SELFDESTRUCT>{};
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};
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}
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