solidity/liblangutil/EVMVersion.cpp
2019-05-20 16:46:31 +02:00

48 lines
1.2 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/>.
*/
/**
* EVM versioning.
*/
#include <liblangutil/EVMVersion.h>
using namespace langutil;
using namespace dev::eth;
bool EVMVersion::hasOpcode(Instruction _opcode) const
{
switch (_opcode)
{
case Instruction::RETURNDATACOPY:
case Instruction::RETURNDATASIZE:
return supportsReturndata();
case Instruction::STATICCALL:
return hasStaticCall();
case Instruction::SHL:
case Instruction::SHR:
case Instruction::SAR:
return hasBitwiseShifting();
case Instruction::CREATE2:
return hasCreate2();
case Instruction::EXTCODEHASH:
return hasExtCodeHash();
default:
return true;
}
}