/*
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 .
*/
#include
#include
#include
#include
#include
#include
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#include
#include
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#include
using namespace yul;
using namespace std;
using namespace langutil;
using namespace dev;
using namespace yul::test::yul_fuzzer;
extern "C" int LLVMFuzzerTestOneInput(uint8_t const* _data, size_t _size)
{
if (_size > 600)
return 0;
string input(reinterpret_cast(_data), _size);
if (std::any_of(input.begin(), input.end(), [](char c) {
return ((static_cast(c) > 127) || !(std::isprint(c) || (c == '\n') || (c == '\t')));
}))
return 0;
AssemblyStack stack(
langutil::EVMVersion(),
AssemblyStack::Language::StrictAssembly,
dev::solidity::OptimiserSettings::full()
);
try
{
if (
!stack.parseAndAnalyze("source", input) ||
!stack.parserResult()->code ||
!stack.parserResult()->analysisInfo
)
return 0;
}
catch (Exception const&)
{
return 0;
}
ostringstream os1;
ostringstream os2;
try
{
yulFuzzerUtil::interpret(os1, stack.parserResult()->code);
}
catch (yul::test::StepLimitReached const&)
{
return 0;
}
catch (yul::test::InterpreterTerminatedGeneric const&)
{
}
stack.optimize();
try
{
yulFuzzerUtil::interpret(os2, stack.parserResult()->code);
}
catch (yul::test::InterpreterTerminatedGeneric const&)
{
}
bool isTraceEq = (os1.str() == os2.str());
yulAssert(isTraceEq, "Interpreted traces for optimized and unoptimized code differ.");
return 0;
}