libsolidity/interface/Version.cpp


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/*
    This file is part of cpp-ethereum.

    cpp-ethereum 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.

    cpp-ethereum 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 cpp-ethereum.  If not, see <http://www.gnu.org/licenses/>.
*/
/**
 * @author Christian <c@ethdev.com>
 * @date 2015
 * Versioning.
 */

#include <libsolidity/interface/Version.h>
#include <string>
#include <libdevcore/CommonData.h>
#include <libdevcore/Common.h>
#include <libsolidity/interface/Utils.h>
#include <solidity/BuildInfo.h>

using namespace dev;
using namespace dev::solidity;
using namespace std;

char const* dev::solidity::VersionNumber = ETH_PROJECT_VERSION;

string const dev::solidity::VersionString =
    string(dev::solidity::VersionNumber) +
    (string(SOL_VERSION_PRERELEASE).empty() ? "" : "-" + string(SOL_VERSION_PRERELEASE)) +
    (string(SOL_VERSION_BUILDINFO).empty() ? "" : "+" + string(SOL_VERSION_BUILDINFO));


bytes dev::solidity::binaryVersion()
{
    bytes ret{0};
    size_t i = 0;
    auto parseDecimal = [&]()
    {
        size_t ret = 0;
        solAssert('0' <= VersionString[i] && VersionString[i] <= '9', "");
        for (; i < VersionString.size() && '0' <= VersionString[i] && VersionString[i] <= '9'; ++i)
            ret = ret * 10 + (VersionString[i] - '0');
        return ret;
    };
    ret.push_back(byte(parseDecimal()));
    solAssert(i < VersionString.size() && VersionString[i] == '.', "");
    ++i;
    ret.push_back(byte(parseDecimal()));
    solAssert(i < VersionString.size() && VersionString[i] == '.', "");
    ++i;
    ret.push_back(byte(parseDecimal()));
    solAssert(i < VersionString.size() && VersionString[i] == '-', "");
    ++i;
    solAssert(i + 7 < VersionString.size(), "");
    bytes commitHash = fromHex(VersionString.substr(i, 8));
    if (commitHash.empty())
        commitHash = bytes(4, 0);
    ret += commitHash;
    solAssert(ret.size() == 1 + 3 + 4, "");

    return ret;
}