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59 lines
1.4 KiB
59 lines
1.4 KiB
11 years ago
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/*
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This file is part of cpp-ethereum.
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cpp-ethereum is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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cpp-ethereum is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with cpp-ethereum. If not, see <http://www.gnu.org/licenses/>.
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*/
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/** @file Instruction.cpp
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* @author Gav Wood <i@gavwood.com>
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* @date 2014
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*/
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#include "Instruction.h"
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#include <boost/algorithm/string.hpp>
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using namespace std;
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using namespace eth;
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u256s eth::assemble(std::string const& _code)
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{
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u256s ret;
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char const* d = _code.data();
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char const* e = _code.data() + _code.size();
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while (d != e)
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{
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// skip to next token
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for (; d != e && !isalnum(*d); ++d) {}
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if (d == e)
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break;
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char const* s = d;
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for (; d != e && isalnum(*d); ++d) {}
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string t = string(s, d - s);
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if (isdigit(t[0]))
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ret.push_back(u256(t));
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else
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{
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boost::algorithm::to_upper(t);
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auto it = c_instructions.find(t);
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if (it != c_instructions.end())
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ret.push_back((u256)it->second);
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else
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cwarn << "Unknown assembler token" << t;
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}
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}
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return ret;
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}
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