solidity/test/libyul/Common.cpp
2020-06-09 13:03:57 +02:00

158 lines
4.6 KiB
C++

/*
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/>.
*/
/**
* @date 2017
* Common functions the Yul tests.
*/
#include <test/libyul/Common.h>
#include <test/Common.h>
#include <liblangutil/SourceReferenceFormatter.h>
#include <libyul/optimiser/Disambiguator.h>
#include <libyul/AsmParser.h>
#include <libyul/AsmAnalysis.h>
#include <libyul/AsmPrinter.h>
#include <libyul/AssemblyStack.h>
#include <libyul/backends/evm/EVMDialect.h>
#include <libyul/backends/wasm/WasmDialect.h>
#include <liblangutil/Scanner.h>
#include <liblangutil/ErrorReporter.h>
#include <boost/test/unit_test.hpp>
#include <variant>
using namespace std;
using namespace solidity;
using namespace solidity::yul;
using namespace solidity::langutil;
namespace
{
Dialect const& defaultDialect(bool _yul)
{
return _yul ? yul::Dialect::yulDeprecated() : yul::EVMDialect::strictAssemblyForEVM(solidity::test::CommonOptions::get().evmVersion());
}
}
void yul::test::printErrors(ErrorList const& _errors)
{
SourceReferenceFormatter formatter(cout);
for (auto const& error: _errors)
formatter.printErrorInformation(*error);
}
pair<shared_ptr<Block>, shared_ptr<yul::AsmAnalysisInfo>> yul::test::parse(string const& _source, bool _yul)
{
AssemblyStack stack(
solidity::test::CommonOptions::get().evmVersion(),
_yul ? AssemblyStack::Language::Yul : AssemblyStack::Language::StrictAssembly,
solidity::test::CommonOptions::get().optimize ?
solidity::frontend::OptimiserSettings::standard() :
solidity::frontend::OptimiserSettings::minimal()
);
if (!stack.parseAndAnalyze("", _source) || !stack.errors().empty())
BOOST_FAIL("Invalid source.");
return make_pair(stack.parserResult()->code, stack.parserResult()->analysisInfo);
}
pair<shared_ptr<Block>, shared_ptr<yul::AsmAnalysisInfo>> yul::test::parse(
string const& _source,
Dialect const& _dialect,
ErrorList& _errors
)
{
ErrorReporter errorReporter(_errors);
shared_ptr<Scanner> scanner = make_shared<Scanner>(CharStream(_source, ""));
shared_ptr<Object> parserResult = yul::ObjectParser(errorReporter, _dialect).parse(scanner, false);
if (!parserResult)
return {};
if (!parserResult->code || errorReporter.hasErrors())
return {};
shared_ptr<AsmAnalysisInfo> analysisInfo = make_shared<AsmAnalysisInfo>();
AsmAnalyzer analyzer(*analysisInfo, errorReporter, _dialect, {}, parserResult->dataNames());
// TODO this should be done recursively.
if (!analyzer.analyze(*parserResult->code) || errorReporter.hasErrors())
return {};
return {std::move(parserResult->code), std::move(analysisInfo)};
}
yul::Block yul::test::disambiguate(string const& _source, bool _yul)
{
auto result = parse(_source, _yul);
return std::get<Block>(Disambiguator(defaultDialect(_yul), *result.second, {})(*result.first));
}
string yul::test::format(string const& _source, bool _yul)
{
return yul::AsmPrinter()(*parse(_source, _yul).first);
}
namespace
{
std::map<string const, yul::Dialect const& (*)(langutil::EVMVersion)> const validDialects = {
{
"evm",
[](langutil::EVMVersion _evmVersion) -> yul::Dialect const&
{ return yul::EVMDialect::strictAssemblyForEVMObjects(_evmVersion); }
},
{
"evmTyped",
[](langutil::EVMVersion _evmVersion) -> yul::Dialect const&
{ return yul::EVMDialectTyped::instance(_evmVersion); }
},
{
"yul",
[](langutil::EVMVersion) -> yul::Dialect const&
{ return yul::Dialect::yulDeprecated(); }
},
{
"ewasm",
[](langutil::EVMVersion) -> yul::Dialect const&
{ return yul::WasmDialect::instance(); }
}
};
vector<string> validDialectNames()
{
vector<string> names{size(validDialects), ""};
transform(begin(validDialects), end(validDialects), names.begin(), [](auto const& dialect) { return dialect.first; });
return names;
}
}
yul::Dialect const& yul::test::dialect(std::string const& _name, langutil::EVMVersion _evmVersion)
{
if (!validDialects.count(_name))
BOOST_THROW_EXCEPTION(runtime_error{
"Invalid Dialect \"" +
_name +
"\". Valid dialects are " +
util::joinHumanReadable(validDialectNames(), ", ", " and ") +
"."
});
return validDialects.at(_name)(_evmVersion);
}