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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/libyul/ObjectCompilerTest.h>
#include <test/libsolidity/FormattedScope.h>
#include <libsolidity/interface/AssemblyStack.h>
#include <libevmasm/Instruction.h>
#include <liblangutil/SourceReferenceFormatter.h>
#include <boost/algorithm/string.hpp>
#include <fstream>
using namespace dev;
using namespace langutil;
using namespace yul;
using namespace yul::test;
using namespace dev::solidity;
using namespace dev::solidity::test;
using namespace std;
ObjectCompilerTest::ObjectCompilerTest(string const& _filename)
{
boost::filesystem::path path(_filename);
ifstream file(_filename);
if (!file)
BOOST_THROW_EXCEPTION(runtime_error("Cannot open test case: \"" + _filename + "\"."));
file.exceptions(ios::badbit);
string line;
while (getline(file, line))
{
if (boost::algorithm::starts_with(line, "// ----"))
break;
if (m_source.empty() && boost::algorithm::starts_with(line, "// optimize"))
m_optimize = true;
m_source += line + "\n";
}
while (getline(file, line))
if (boost::algorithm::starts_with(line, "//"))
m_expectation += line.substr((line.size() >= 3 && line[2] == ' ') ? 3 : 2) + "\n";
else
m_expectation += line + "\n";
}
bool ObjectCompilerTest::run(ostream& _stream, string const& _linePrefix, bool const _formatted)
{
AssemblyStack stack(EVMVersion(), AssemblyStack::Language::StrictAssembly);
if (!stack.parseAndAnalyze("source", m_source))
{
FormattedScope(_stream, _formatted, {formatting::BOLD, formatting::RED}) << _linePrefix << "Error parsing source." << endl;
printErrors(_stream, stack.errors());
return false;
}
if (m_optimize)
stack.optimize();
MachineAssemblyObject obj = stack.assemble(AssemblyStack::Machine::EVM);
solAssert(obj.bytecode, "");
m_obtainedResult = "Assembly:\n" + obj.assembly;
if (obj.bytecode->bytecode.empty())
m_obtainedResult += "-- empty bytecode --\n";
else
m_obtainedResult +=
"Bytecode: " +
toHex(obj.bytecode->bytecode) +
"\nOpcodes: " +
boost::trim_copy(solidity::disassemble(obj.bytecode->bytecode)) +
"\n";
if (m_expectation != m_obtainedResult)
{
string nextIndentLevel = _linePrefix + " ";
FormattedScope(_stream, _formatted, {formatting::BOLD, formatting::CYAN}) << _linePrefix << "Expected result:" << endl;
printIndented(_stream, m_expectation, nextIndentLevel);
FormattedScope(_stream, _formatted, {formatting::BOLD, formatting::CYAN}) << _linePrefix << "Obtained result:" << endl;
printIndented(_stream, m_obtainedResult, nextIndentLevel);
return false;
}
return true;
}
void ObjectCompilerTest::printSource(ostream& _stream, string const& _linePrefix, bool const) const
{
printIndented(_stream, m_source, _linePrefix);
}
void ObjectCompilerTest::printUpdatedExpectations(ostream& _stream, string const& _linePrefix) const
{
printIndented(_stream, m_obtainedResult, _linePrefix);
}
void ObjectCompilerTest::printIndented(ostream& _stream, string const& _output, string const& _linePrefix) const
{
stringstream output(_output);
string line;
while (getline(output, line))
if (line.empty())
// Avoid trailing spaces.
_stream << boost::trim_right_copy(_linePrefix) << endl;
else
_stream << _linePrefix << line << endl;
}
void ObjectCompilerTest::printErrors(ostream& _stream, ErrorList const& _errors)
{
SourceReferenceFormatter formatter(_stream);
for (auto const& error: _errors)
formatter.printExceptionInformation(
*error,
(error->type() == Error::Type::Warning) ? "Warning" : "Error"
);
}
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