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			109 lines
		
	
	
		
			3.4 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			109 lines
		
	
	
		
			3.4 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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 * @date 2017
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 * Common functions the Yul tests.
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 */
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#include <test/libyul/Common.h>
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#include <test/Options.h>
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#include <liblangutil/SourceReferenceFormatter.h>
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#include <libyul/optimiser/Disambiguator.h>
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#include <libyul/AsmParser.h>
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#include <libyul/AsmAnalysis.h>
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#include <libyul/AsmPrinter.h>
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#include <libyul/AssemblyStack.h>
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#include <libyul/backends/evm/EVMDialect.h>
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#include <liblangutil/Scanner.h>
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#include <liblangutil/ErrorReporter.h>
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#include <boost/test/unit_test.hpp>
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#include <variant>
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using namespace std;
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using namespace solidity;
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using namespace solidity::yul;
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using namespace solidity::langutil;
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namespace
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{
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Dialect const& defaultDialect(bool _yul)
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{
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	return _yul ? yul::Dialect::yul() : yul::EVMDialect::strictAssemblyForEVM(solidity::test::Options::get().evmVersion());
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}
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}
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void yul::test::printErrors(ErrorList const& _errors)
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{
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	SourceReferenceFormatter formatter(cout);
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	for (auto const& error: _errors)
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		formatter.printErrorInformation(*error);
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}
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pair<shared_ptr<Block>, shared_ptr<yul::AsmAnalysisInfo>> yul::test::parse(string const& _source, bool _yul)
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{
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	AssemblyStack stack(
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		solidity::test::Options::get().evmVersion(),
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		_yul ? AssemblyStack::Language::Yul : AssemblyStack::Language::StrictAssembly,
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		solidity::test::Options::get().optimize ?
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			solidity::frontend::OptimiserSettings::standard() :
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			solidity::frontend::OptimiserSettings::minimal()
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	);
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	if (!stack.parseAndAnalyze("", _source) || !stack.errors().empty())
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		BOOST_FAIL("Invalid source.");
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	return make_pair(stack.parserResult()->code, stack.parserResult()->analysisInfo);
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}
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pair<shared_ptr<Block>, shared_ptr<yul::AsmAnalysisInfo>> yul::test::parse(
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	string const& _source,
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	Dialect const& _dialect,
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	ErrorList& _errors
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)
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{
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	ErrorReporter errorReporter(_errors);
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	shared_ptr<Scanner> scanner = make_shared<Scanner>(CharStream(_source, ""));
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	shared_ptr<Object> parserResult = yul::ObjectParser(errorReporter, _dialect).parse(scanner, false);
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	if (!parserResult)
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		return {};
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	if (!parserResult->code || !errorReporter.errors().empty())
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		return {};
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	shared_ptr<AsmAnalysisInfo> analysisInfo = make_shared<AsmAnalysisInfo>();
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	AsmAnalyzer analyzer(*analysisInfo, errorReporter, _dialect, {}, parserResult->dataNames());
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	// TODO this should be done recursively.
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	if (!analyzer.analyze(*parserResult->code) || !errorReporter.errors().empty())
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		return {};
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	return {std::move(parserResult->code), std::move(analysisInfo)};
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}
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yul::Block yul::test::disambiguate(string const& _source, bool _yul)
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{
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	auto result = parse(_source, _yul);
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	return std::get<Block>(Disambiguator(defaultDialect(_yul), *result.second, {})(*result.first));
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}
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string yul::test::format(string const& _source, bool _yul)
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{
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	return yul::AsmPrinter()(*parse(_source, _yul).first);
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}
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