solidity/libevmasm/SimplificationRule.h
2019-11-07 14:33:34 +01:00

140 lines
5.4 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 <libevmasm/Instruction.h>
#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;
};
struct EVMBuiltins
{
using InstrType = Instruction;
static auto constexpr STOP = Instruction::STOP;
static auto constexpr ADD = Instruction::ADD;
static auto constexpr SUB = Instruction::SUB;
static auto constexpr MUL = Instruction::MUL;
static auto constexpr DIV = Instruction::DIV;
static auto constexpr SDIV = Instruction::SDIV;
static auto constexpr MOD = Instruction::MOD;
static auto constexpr SMOD = Instruction::SMOD;
static auto constexpr EXP = Instruction::EXP;
static auto constexpr NOT = Instruction::NOT;
static auto constexpr LT = Instruction::LT;
static auto constexpr GT = Instruction::GT;
static auto constexpr SLT = Instruction::SLT;
static auto constexpr SGT = Instruction::SGT;
static auto constexpr EQ = Instruction::EQ;
static auto constexpr ISZERO = Instruction::ISZERO;
static auto constexpr AND = Instruction::AND;
static auto constexpr OR = Instruction::OR;
static auto constexpr XOR = Instruction::XOR;
static auto constexpr BYTE = Instruction::BYTE;
static auto constexpr SHL = Instruction::SHL;
static auto constexpr SHR = Instruction::SHR;
static auto constexpr SAR = Instruction::SAR;
static auto constexpr ADDMOD = Instruction::ADDMOD;
static auto constexpr MULMOD = Instruction::MULMOD;
static auto constexpr SIGNEXTEND = Instruction::SIGNEXTEND;
static auto constexpr KECCAK256 = Instruction::KECCAK256;
static auto constexpr ADDRESS = Instruction::ADDRESS;
static auto constexpr BALANCE = Instruction::BALANCE;
static auto constexpr ORIGIN = Instruction::ORIGIN;
static auto constexpr CALLER = Instruction::CALLER;
static auto constexpr CALLVALUE = Instruction::CALLVALUE;
static auto constexpr CALLDATALOAD = Instruction::CALLDATALOAD;
static auto constexpr CALLDATASIZE = Instruction::CALLDATASIZE;
static auto constexpr CALLDATACOPY = Instruction::CALLDATACOPY;
static auto constexpr CODESIZE = Instruction::CODESIZE;
static auto constexpr CODECOPY = Instruction::CODECOPY;
static auto constexpr GASPRICE = Instruction::GASPRICE;
static auto constexpr EXTCODESIZE = Instruction::EXTCODESIZE;
static auto constexpr EXTCODECOPY = Instruction::EXTCODECOPY;
static auto constexpr RETURNDATASIZE = Instruction::RETURNDATASIZE;
static auto constexpr RETURNDATACOPY = Instruction::RETURNDATACOPY;
static auto constexpr EXTCODEHASH = Instruction::EXTCODEHASH;
static auto constexpr BLOCKHASH = Instruction::BLOCKHASH;
static auto constexpr COINBASE = Instruction::COINBASE;
static auto constexpr TIMESTAMP = Instruction::TIMESTAMP;
static auto constexpr NUMBER = Instruction::NUMBER;
static auto constexpr DIFFICULTY = Instruction::DIFFICULTY;
static auto constexpr GASLIMIT = Instruction::GASLIMIT;
static auto constexpr CHAINID = Instruction::CHAINID;
static auto constexpr SELFBALANCE = Instruction::SELFBALANCE;
static auto constexpr POP = Instruction::POP;
static auto constexpr MLOAD = Instruction::MLOAD;
static auto constexpr MSTORE = Instruction::MSTORE;
static auto constexpr MSTORE8 = Instruction::MSTORE8;
static auto constexpr SLOAD = Instruction::SLOAD;
static auto constexpr SSTORE = Instruction::SSTORE;
static auto constexpr PC = Instruction::PC;
static auto constexpr MSIZE = Instruction::MSIZE;
static auto constexpr GAS = Instruction::GAS;
static auto constexpr LOG0 = Instruction::LOG0;
static auto constexpr LOG1 = Instruction::LOG1;
static auto constexpr LOG2 = Instruction::LOG2;
static auto constexpr LOG3 = Instruction::LOG3;
static auto constexpr LOG4 = Instruction::LOG4;
static auto constexpr CREATE = Instruction::CREATE;
static auto constexpr CALL = Instruction::CALL;
static auto constexpr CALLCODE = Instruction::CALLCODE;
static auto constexpr STATICCALL = Instruction::STATICCALL;
static auto constexpr RETURN = Instruction::RETURN;
static auto constexpr DELEGATECALL = Instruction::DELEGATECALL;
static auto constexpr CREATE2 = Instruction::CREATE2;
static auto constexpr REVERT = Instruction::REVERT;
static auto constexpr INVALID = Instruction::INVALID;
static auto constexpr SELFDESTRUCT = Instruction::SELFDESTRUCT;
};
}
}