solidity/liblll/CodeFragment.h
2017-08-22 10:51:46 +01:00

70 lines
1.7 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/>.
*/
/** @file CodeFragment.h
* @author Gav Wood <i@gavwood.com>
* @date 2014
*/
#pragma once
#include <libdevcore/Common.h>
#include <libevmasm/Instruction.h>
#include <libevmasm/Assembly.h>
#include "Exceptions.h"
namespace boost { namespace spirit { class utree; } }
namespace sp = boost::spirit;
namespace dev
{
namespace eth
{
struct CompilerState;
class CodeFragment
{
public:
CodeFragment() {}
CodeFragment(sp::utree const& _t, CompilerState& _s, bool _allowASM = false);
static CodeFragment compile(std::string const& _src, CompilerState& _s);
/// Consolidates data and compiles code.
Assembly& assembly(CompilerState const& _cs) { finalise(_cs); return m_asm; }
private:
void finalise(CompilerState const& _cs);
template <class T> static void error() { BOOST_THROW_EXCEPTION(T() ); }
template <class T> static void error(std::string const& reason) {
auto err = T();
err << errinfo_comment(reason);
BOOST_THROW_EXCEPTION(err);
}
void constructOperation(sp::utree const& _t, CompilerState& _s);
bool m_finalised = false;
Assembly m_asm;
};
static const CodeFragment NullCodeFragment;
}
}