solidity/test/libyul/EwasmTranslationTest.cpp

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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/>.
*/
// SPDX-License-Identifier: GPL-3.0
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#include <test/libyul/EwasmTranslationTest.h>
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#include <test/tools/yulInterpreter/Interpreter.h>
#include <test/Common.h>
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#include <libyul/backends/evm/EVMDialect.h>
#include <libyul/backends/wasm/WasmDialect.h>
#include <libyul/backends/wasm/EVMToEwasmTranslator.h>
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#include <libyul/AsmParser.h>
#include <libyul/AssemblyStack.h>
#include <libyul/AsmAnalysisInfo.h>
#include <libyul/AST.h>
#include <libyul/Object.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>
#include <boost/algorithm/string.hpp>
#include <fstream>
using namespace solidity;
using namespace solidity::util;
using namespace solidity::langutil;
using namespace solidity::yul;
using namespace solidity::yul::test;
using namespace solidity::frontend;
using namespace solidity::frontend::test;
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using namespace std;
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EwasmTranslationTest::EwasmTranslationTest(string const& _filename):
EVMVersionRestrictedTestCase(_filename)
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{
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m_source = m_reader.source();
m_expectation = m_reader.simpleExpectations();
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}
TestCase::TestResult EwasmTranslationTest::run(ostream& _stream, string const& _linePrefix, bool const _formatted)
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{
if (!parse(_stream, _linePrefix, _formatted))
return TestResult::FatalError;
*m_object = EVMToEwasmTranslator(
EVMDialect::strictAssemblyForEVMObjects(solidity::test::CommonOptions::get().evmVersion())
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).run(*m_object);
// Add call to "main()".
m_object->code->statements.emplace_back(
ExpressionStatement{{}, FunctionCall{{}, Identifier{{}, "main"_yulstring}, {}}}
);
m_obtainedResult = interpret();
return checkResult(_stream, _linePrefix, _formatted);
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}
bool EwasmTranslationTest::parse(ostream& _stream, string const& _linePrefix, bool const _formatted)
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{
AssemblyStack stack(
solidity::test::CommonOptions::get().evmVersion(),
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AssemblyStack::Language::StrictAssembly,
solidity::frontend::OptimiserSettings::none()
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);
if (stack.parseAndAnalyze("", m_source))
{
m_object = stack.parserResult();
return true;
}
else
{
AnsiColorized(_stream, _formatted, {formatting::BOLD, formatting::RED}) << _linePrefix << "Error parsing source." << endl;
printErrors(_stream, stack.errors());
return false;
}
}
string EwasmTranslationTest::interpret()
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{
InterpreterState state;
state.maxTraceSize = 10000;
state.maxSteps = 1000000;
state.maxExprNesting = 64;
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try
{
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Interpreter::run(state, WasmDialect{}, *m_object->code);
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}
catch (InterpreterTerminatedGeneric const&)
{
}
stringstream result;
state.dumpTraceAndState(result);
return result.str();
}
void EwasmTranslationTest::printErrors(ostream& _stream, ErrorList const& _errors)
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{
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SourceReferenceFormatter formatter(_stream, true, false);
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for (auto const& error: _errors)
formatter.printErrorInformation(*error);
}