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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/>.
*/
#include <test/libsolidity/SyntaxTestParser.h>
#include <boost/algorithm/string/predicate.hpp>
#include <boost/throw_exception.hpp>
#include <cctype>
#include <fstream>
#include <stdexcept>
using namespace dev;
using namespace solidity;
using namespace dev::solidity::test;
using namespace std;
template<typename IteratorType>
void skipWhitespace(IteratorType& it, IteratorType end)
{
while (it != end && isspace(*it))
++it;
}
template<typename IteratorType>
void skipSlashes(IteratorType& it, IteratorType end)
{
while (it != end && *it == '/')
++it;
}
std::string SyntaxTestParser::parseSource(std::istream& _stream)
{
std::string source;
string line;
string const delimiter("// ----");
while (getline(_stream, line))
if (boost::algorithm::starts_with(line, delimiter))
break;
else
source += line + "\n";
return source;
}
std::vector<SyntaxTestExpectation> SyntaxTestParser::parseExpectations(std::istream& _stream)
{
std::vector<SyntaxTestExpectation> expectations;
std::string line;
while (getline(_stream, line))
{
auto it = line.begin();
skipSlashes(it, line.end());
skipWhitespace(it, line.end());
if (it == line.end()) continue;
auto typeBegin = it;
while (it != line.end() && *it != ':')
++it;
string errorType(typeBegin, it);
// skip colon
if (it != line.end()) it++;
skipWhitespace(it, line.end());
string errorMessage(it, line.end());
expectations.emplace_back(SyntaxTestExpectation{move(errorType), move(errorMessage)});
}
return expectations;
}
SyntaxTest SyntaxTestParser::parse(string const& _filename)
{
ifstream file(_filename);
if (!file)
BOOST_THROW_EXCEPTION(runtime_error("cannot open test contract: \"" + _filename + "\""));
file.exceptions(ios::badbit);
SyntaxTest result;
result.source = parseSource(file);
result.expectations = parseExpectations(file);
return result;
}
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