mirror of
https://github.com/ethereum/solidity
synced 2023-10-03 13:03:40 +00:00
98 lines
2.5 KiB
C++
98 lines
2.5 KiB
C++
/*
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This file is part of solidity.
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solidity 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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solidity 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 solidity. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <test/libsolidity/SyntaxTestParser.h>
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#include <boost/algorithm/string/predicate.hpp>
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#include <boost/throw_exception.hpp>
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#include <cctype>
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#include <fstream>
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#include <stdexcept>
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using namespace dev;
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using namespace solidity;
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using namespace dev::solidity::test;
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using namespace std;
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template<typename IteratorType>
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void skipWhitespace(IteratorType& it, IteratorType end)
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{
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while (it != end && isspace(*it))
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++it;
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}
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template<typename IteratorType>
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void skipSlashes(IteratorType& it, IteratorType end)
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{
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while (it != end && *it == '/')
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++it;
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}
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std::string SyntaxTestParser::parseSource(std::istream& _stream)
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{
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std::string source;
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string line;
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string const delimiter("// ----");
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while (getline(_stream, line))
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if (boost::algorithm::starts_with(line, delimiter))
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break;
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else
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source += line + "\n";
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return source;
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}
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std::vector<SyntaxTestExpectation> SyntaxTestParser::parseExpectations(std::istream& _stream)
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{
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std::vector<SyntaxTestExpectation> expectations;
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std::string line;
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while (getline(_stream, line))
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{
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auto it = line.begin();
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skipSlashes(it, line.end());
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skipWhitespace(it, line.end());
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if (it == line.end()) continue;
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auto typeBegin = it;
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while (it != line.end() && *it != ':')
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++it;
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string errorType(typeBegin, it);
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// skip colon
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if (it != line.end()) it++;
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skipWhitespace(it, line.end());
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string errorMessage(it, line.end());
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expectations.emplace_back(SyntaxTestExpectation{move(errorType), move(errorMessage)});
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}
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return expectations;
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}
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SyntaxTest SyntaxTestParser::parse(string const& _filename)
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{
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ifstream file(_filename);
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if (!file)
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BOOST_THROW_EXCEPTION(runtime_error("cannot open test contract: \"" + _filename + "\""));
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file.exceptions(ios::badbit);
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SyntaxTest result;
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result.source = parseSource(file);
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result.expectations = parseExpectations(file);
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return result;
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}
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