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/*
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 Assembly.h
* @author Gav Wood <i@gavwood.com>
* @date 2014
*/
#pragma once
#include <libdevcore/Common.h>
#include <libdevcore/FixedHash.h>
namespace dev
{
namespace eth
{
/**
* Binary object that potentially still needs to be linked (i.e. addresses of other contracts
* need to be filled in).
*/
struct LinkerObject
{
bytes bytecode;
/// Map from offsets in bytecode to library identifiers. The addresses starting at those offsets
/// need to be replaced by the actual addresses by the linker.
std::map<size_t, std::string> linkReferences;
/// Appends the bytecode of @a _other and incorporates its link references.
void append(LinkerObject const& _other);
/// Links the given libraries by replacing their uses in the code and removes them from the references.
void link(std::map<std::string, h160> const& _libraryAddresses);
/// @returns a hex representation of the bytecode of the given object, replacing unlinked
/// addresses by placeholders.
std::string toHex() const;
private:
static h160 const* matchLibrary(
std::string const& _linkRefName,
std::map<std::string, h160> const& _libraryAddresses
);
};
}
}
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