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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/>.
*/
/**
* Framework for testing features from the analysis phase of compiler.
*/
#include <test/libsolidity/AnalysisFramework.h>
#include <libsolidity/interface/CompilerStack.h>
#include <libsolidity/interface/SourceReferenceFormatter.h>
#include <libsolidity/ast/AST.h>
#include <libsolidity/parsing/Scanner.h>
#include <libdevcore/SHA3.h>
#include <boost/test/unit_test.hpp>
using namespace std;
using namespace dev;
using namespace dev::solidity;
using namespace dev::solidity::test;
pair<SourceUnit const*, shared_ptr<Error const>>
AnalysisFramework::parseAnalyseAndReturnError(
string const& _source,
bool _reportWarnings,
bool _insertVersionPragma,
bool _allowMultipleErrors
)
{
m_compiler.reset();
m_compiler.addSource("", _insertVersionPragma ? "pragma solidity >=0.0;\n" + _source : _source);
if (!m_compiler.parse())
{
BOOST_ERROR("Parsing contract failed in analysis test suite:" + formatErrors());
}
m_compiler.analyze();
std::shared_ptr<Error const> firstError;
for (auto const& currentError: m_compiler.errors())
{
solAssert(currentError->comment(), "");
if (currentError->type() == Error::Type::Warning)
{
bool ignoreWarning = false;
for (auto const& filter: m_warningsToFilter)
if (currentError->comment()->find(filter) == 0)
{
ignoreWarning = true;
break;
}
if (ignoreWarning)
continue;
}
if (_reportWarnings || (currentError->type() != Error::Type::Warning))
{
if (firstError && !_allowMultipleErrors)
{
BOOST_FAIL("Multiple errors found: " + formatErrors());
}
if (!firstError)
firstError = currentError;
}
}
return make_pair(&m_compiler.ast(), firstError);
}
SourceUnit const* AnalysisFramework::parseAndAnalyse(string const& _source)
{
auto sourceAndError = parseAnalyseAndReturnError(_source);
BOOST_REQUIRE(!!sourceAndError.first);
string message;
if (sourceAndError.second)
message = "Unexpected error: " + formatError(*sourceAndError.second);
BOOST_REQUIRE_MESSAGE(!sourceAndError.second, message);
return sourceAndError.first;
}
bool AnalysisFramework::success(string const& _source)
{
return !parseAnalyseAndReturnError(_source).second;
}
Error AnalysisFramework::expectError(std::string const& _source, bool _warning, bool _allowMultiple)
{
auto sourceAndError = parseAnalyseAndReturnError(_source, _warning, true, _allowMultiple);
BOOST_REQUIRE(!!sourceAndError.second);
BOOST_REQUIRE_MESSAGE(!!sourceAndError.first, "Expected error, but no error happened.");
return *sourceAndError.second;
}
string AnalysisFramework::formatErrors()
{
string message;
for (auto const& error: m_compiler.errors())
message += formatError(*error);
return message;
}
string AnalysisFramework::formatError(Error const& _error)
{
return SourceReferenceFormatter::formatExceptionInformation(
_error,
(_error.type() == Error::Type::Warning) ? "Warning" : "Error",
[&](std::string const& _sourceName) -> solidity::Scanner const& { return m_compiler.scanner(_sourceName); }
);
}
ContractDefinition const* AnalysisFramework::retrieveContractByName(SourceUnit const& _source, string const& _name)
{
ContractDefinition* contract = nullptr;
for (shared_ptr<ASTNode> const& node: _source.nodes())
if ((contract = dynamic_cast<ContractDefinition*>(node.get())) && contract->name() == _name)
return contract;
return nullptr;
}
FunctionTypePointer AnalysisFramework::retrieveFunctionBySignature(
ContractDefinition const& _contract,
std::string const& _signature
)
{
FixedHash<4> hash(dev::keccak256(_signature));
return _contract.interfaceFunctions()[hash];
}
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