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			153 lines
		
	
	
		
			4.4 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			153 lines
		
	
	
		
			4.4 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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/**
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 * Framework for testing features from the analysis phase of compiler.
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 */
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#include <test/libsolidity/AnalysisFramework.h>
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#include <test/Options.h>
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#include <libsolidity/interface/CompilerStack.h>
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#include <libsolidity/interface/SourceReferenceFormatter.h>
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#include <libsolidity/ast/AST.h>
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#include <libsolidity/parsing/Scanner.h>
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#include <libdevcore/Keccak256.h>
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#include <boost/test/unit_test.hpp>
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using namespace std;
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using namespace dev;
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using namespace dev::solidity;
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using namespace dev::solidity::test;
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pair<SourceUnit const*, ErrorList>
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AnalysisFramework::parseAnalyseAndReturnError(
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	string const& _source,
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	bool _reportWarnings,
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	bool _insertVersionPragma,
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	bool _allowMultipleErrors
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)
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{
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	m_compiler.reset();
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	m_compiler.addSource("", _insertVersionPragma ? "pragma solidity >=0.0;\n" + _source : _source);
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	m_compiler.setEVMVersion(dev::test::Options::get().evmVersion());
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	if (!m_compiler.parse())
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	{
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		BOOST_ERROR("Parsing contract failed in analysis test suite:" + formatErrors());
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	}
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	m_compiler.analyze();
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	ErrorList errors = filterErrors(m_compiler.errors(), _reportWarnings);
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	if (errors.size() > 1 && !_allowMultipleErrors)
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		BOOST_FAIL("Multiple errors found: " + formatErrors());
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	return make_pair(&m_compiler.ast(""), std::move(errors));
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}
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ErrorList AnalysisFramework::filterErrors(ErrorList const& _errorList, bool _includeWarnings) const
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{
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	ErrorList errors;
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	for (auto const& currentError: _errorList)
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	{
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		solAssert(currentError->comment(), "");
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		if (currentError->type() == Error::Type::Warning)
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		{
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			if (!_includeWarnings)
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				continue;
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			bool ignoreWarning = false;
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			for (auto const& filter: m_warningsToFilter)
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				if (currentError->comment()->find(filter) == 0)
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				{
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					ignoreWarning = true;
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					break;
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				}
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			if (ignoreWarning)
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				continue;
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		}
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		errors.emplace_back(currentError);
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	}
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	return errors;
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}
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SourceUnit const* AnalysisFramework::parseAndAnalyse(string const& _source)
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{
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	auto sourceAndError = parseAnalyseAndReturnError(_source);
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	BOOST_REQUIRE(!!sourceAndError.first);
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	string message;
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	if (!sourceAndError.second.empty())
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		message = "Unexpected error: " + formatErrors();
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	BOOST_REQUIRE_MESSAGE(sourceAndError.second.empty(), message);
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	return sourceAndError.first;
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}
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bool AnalysisFramework::success(string const& _source)
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{
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	return parseAnalyseAndReturnError(_source).second.empty();
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}
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ErrorList AnalysisFramework::expectError(std::string const& _source, bool _warning, bool _allowMultiple)
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{
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	auto sourceAndErrors = parseAnalyseAndReturnError(_source, _warning, true, _allowMultiple);
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	BOOST_REQUIRE(!sourceAndErrors.second.empty());
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	BOOST_REQUIRE_MESSAGE(!!sourceAndErrors.first, "Expected error, but no error happened.");
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	return sourceAndErrors.second;
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}
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string AnalysisFramework::formatErrors() const
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{
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	string message;
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	for (auto const& error: m_compiler.errors())
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		message += formatError(*error);
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	return message;
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}
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string AnalysisFramework::formatError(Error const& _error) const
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{
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	return SourceReferenceFormatter::formatExceptionInformation(
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			_error,
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			(_error.type() == Error::Type::Warning) ? "Warning" : "Error",
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			[&](std::string const& _sourceName) -> solidity::Scanner const& { return m_compiler.scanner(_sourceName); }
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		);
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}
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ContractDefinition const* AnalysisFramework::retrieveContractByName(SourceUnit const& _source, string const& _name)
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{
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	ContractDefinition* contract = nullptr;
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	for (shared_ptr<ASTNode> const& node: _source.nodes())
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		if ((contract = dynamic_cast<ContractDefinition*>(node.get())) && contract->name() == _name)
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			return contract;
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	return nullptr;
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}
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FunctionTypePointer AnalysisFramework::retrieveFunctionBySignature(
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	ContractDefinition const& _contract,
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	std::string const& _signature
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)
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{
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	FixedHash<4> hash(dev::keccak256(_signature));
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	return _contract.interfaceFunctions()[hash];
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}
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