mirror of
https://github.com/ethereum/solidity
synced 2023-10-03 13:03:40 +00:00
152 lines
4.4 KiB
C++
152 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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#include <test/libyul/EwasmTranslationTest.h>
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#include <test/tools/yulInterpreter/Interpreter.h>
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#include <test/Common.h>
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#include <libyul/backends/evm/EVMDialect.h>
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#include <libyul/backends/wasm/WasmDialect.h>
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#include <libyul/backends/wasm/EVMToEwasmTranslator.h>
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#include <libyul/AsmParser.h>
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#include <libyul/AssemblyStack.h>
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#include <libyul/AsmAnalysisInfo.h>
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#include <liblangutil/ErrorReporter.h>
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#include <liblangutil/SourceReferenceFormatter.h>
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#include <libsolutil/AnsiColorized.h>
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#include <boost/test/unit_test.hpp>
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#include <boost/algorithm/string.hpp>
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#include <fstream>
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using namespace solidity;
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using namespace solidity::util;
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using namespace solidity::langutil;
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using namespace solidity::yul;
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using namespace solidity::yul::test;
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using namespace solidity::frontend;
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using namespace solidity::frontend::test;
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using namespace std;
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EwasmTranslationTest::EwasmTranslationTest(string const& _filename):
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EVMVersionRestrictedTestCase(_filename)
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{
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m_source = m_reader.source();
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m_expectation = m_reader.simpleExpectations();
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}
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TestCase::TestResult EwasmTranslationTest::run(ostream& _stream, string const& _linePrefix, bool const _formatted)
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{
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if (!parse(_stream, _linePrefix, _formatted))
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return TestResult::FatalError;
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*m_object = EVMToEwasmTranslator(
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EVMDialect::strictAssemblyForEVMObjects(solidity::test::CommonOptions::get().evmVersion())
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).run(*m_object);
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// Add call to "main()".
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m_object->code->statements.emplace_back(
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ExpressionStatement{{}, FunctionCall{{}, Identifier{{}, "main"_yulstring}, {}}}
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);
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m_obtainedResult = interpret();
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if (m_expectation != m_obtainedResult)
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{
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string nextIndentLevel = _linePrefix + " ";
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AnsiColorized(_stream, _formatted, {formatting::BOLD, formatting::CYAN}) << _linePrefix << "Expected result:" << endl;
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// TODO could compute a simple diff with highlighted lines
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printIndented(_stream, m_expectation, nextIndentLevel);
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AnsiColorized(_stream, _formatted, {formatting::BOLD, formatting::CYAN}) << _linePrefix << "Obtained result:" << endl;
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printIndented(_stream, m_obtainedResult, nextIndentLevel);
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return TestResult::Failure;
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}
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return TestResult::Success;
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}
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void EwasmTranslationTest::printSource(ostream& _stream, string const& _linePrefix, bool const) const
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{
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printIndented(_stream, m_source, _linePrefix);
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}
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void EwasmTranslationTest::printUpdatedExpectations(ostream& _stream, string const& _linePrefix) const
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{
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printIndented(_stream, m_obtainedResult, _linePrefix);
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}
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void EwasmTranslationTest::printIndented(ostream& _stream, string const& _output, string const& _linePrefix) const
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{
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stringstream output(_output);
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string line;
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while (getline(output, line))
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_stream << _linePrefix << line << endl;
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}
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bool EwasmTranslationTest::parse(ostream& _stream, string const& _linePrefix, bool const _formatted)
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{
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AssemblyStack stack(
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solidity::test::CommonOptions::get().evmVersion(),
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AssemblyStack::Language::StrictAssembly,
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solidity::frontend::OptimiserSettings::none()
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);
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if (stack.parseAndAnalyze("", m_source))
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{
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m_object = stack.parserResult();
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return true;
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}
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else
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{
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AnsiColorized(_stream, _formatted, {formatting::BOLD, formatting::RED}) << _linePrefix << "Error parsing source." << endl;
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printErrors(_stream, stack.errors());
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return false;
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}
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}
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string EwasmTranslationTest::interpret()
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{
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InterpreterState state;
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state.maxTraceSize = 10000;
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state.maxSteps = 100000;
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WasmDialect dialect;
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Interpreter interpreter(state, dialect);
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try
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{
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interpreter(*m_object->code);
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}
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catch (InterpreterTerminatedGeneric const&)
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{
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}
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stringstream result;
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state.dumpTraceAndState(result);
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return result.str();
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}
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void EwasmTranslationTest::printErrors(ostream& _stream, ErrorList const& _errors)
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{
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SourceReferenceFormatter formatter(_stream);
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for (auto const& error: _errors)
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formatter.printErrorInformation(*error);
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}
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