/*
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 .
*/
/**
* @author Lefteris Karapetsas
* @date 2015
* Unit tests for Assembly Items from evmasm/Assembly.h
*/
#include
#include
#include
#include
#include
#include
#include
#include
#include
#include
#include
#include
#include
using namespace std;
using namespace dev::eth;
namespace dev
{
namespace solidity
{
namespace test
{
namespace
{
eth::AssemblyItems compileContract(string const& _sourceCode)
{
ErrorList errors;
ErrorReporter errorReporter(errors);
Parser parser(errorReporter);
ASTPointer sourceUnit;
BOOST_REQUIRE_NO_THROW(sourceUnit = parser.parse(make_shared(CharStream(_sourceCode))));
BOOST_CHECK(!!sourceUnit);
map> scopes;
NameAndTypeResolver resolver({}, scopes, errorReporter);
solAssert(Error::containsOnlyWarnings(errorReporter.errors()), "");
resolver.registerDeclarations(*sourceUnit);
for (ASTPointer const& node: sourceUnit->nodes())
if (ContractDefinition* contract = dynamic_cast(node.get()))
{
BOOST_REQUIRE_NO_THROW(resolver.resolveNamesAndTypes(*contract));
if (!Error::containsOnlyWarnings(errorReporter.errors()))
return AssemblyItems();
}
for (ASTPointer const& node: sourceUnit->nodes())
if (ContractDefinition* contract = dynamic_cast(node.get()))
{
TypeChecker checker(dev::test::Options::get().evmVersion(), errorReporter);
BOOST_REQUIRE_NO_THROW(checker.checkTypeRequirements(*contract));
if (!Error::containsOnlyWarnings(errorReporter.errors()))
return AssemblyItems();
}
for (ASTPointer const& node: sourceUnit->nodes())
if (ContractDefinition* contract = dynamic_cast(node.get()))
{
Compiler compiler(dev::test::Options::get().evmVersion());
compiler.compileContract(*contract, map{}, bytes());
return compiler.runtimeAssemblyItems();
}
BOOST_FAIL("No contract found in source.");
return AssemblyItems();
}
void printAssemblyLocations(AssemblyItems const& _items)
{
auto printRepeated = [](SourceLocation const& _loc, size_t _repetitions)
{
cout <<
"\t\tvector(" <<
_repetitions <<
", SourceLocation(" <<
_loc.start <<
", " <<
_loc.end <<
", make_shared(\"" <<
*_loc.sourceName <<
"\"))) +" << endl;
};
vector locations;
for (auto const& item: _items)
locations.push_back(item.location());
size_t repetitions = 0;
SourceLocation const* previousLoc = nullptr;
for (size_t i = 0; i < locations.size(); ++i)
{
SourceLocation& loc = locations[i];
if (previousLoc && *previousLoc == loc)
repetitions++;
else
{
if (previousLoc)
printRepeated(*previousLoc, repetitions);
previousLoc = &loc;
repetitions = 1;
}
}
if (previousLoc)
printRepeated(*previousLoc, repetitions);
}
void checkAssemblyLocations(AssemblyItems const& _items, vector const& _locations)
{
BOOST_CHECK_EQUAL(_items.size(), _locations.size());
for (size_t i = 0; i < min(_items.size(), _locations.size()); ++i)
{
if (_items[i].location() != _locations[i])
{
BOOST_CHECK_MESSAGE(false, "Location mismatch for item " + to_string(i) + ". Found the following locations:");
printAssemblyLocations(_items);
return;
}
}
}
} // end anonymous namespace
BOOST_AUTO_TEST_SUITE(Assembly)
BOOST_AUTO_TEST_CASE(location_test)
{
char const* sourceCode = R"(
contract test {
function f() returns (uint256 a) {
return 16;
}
}
)";
AssemblyItems items = compileContract(sourceCode);
bool hasShifts = dev::test::Options::get().evmVersion().hasBitwiseShifting();
vector locations =
vector(hasShifts ? 23 : 24, SourceLocation(2, 75, make_shared(""))) +
vector(2, SourceLocation(20, 72, make_shared(""))) +
vector(1, SourceLocation(8, 17, make_shared("--CODEGEN--"))) +
vector(3, SourceLocation(5, 7, make_shared("--CODEGEN--"))) +
vector(1, SourceLocation(30, 31, make_shared("--CODEGEN--"))) +
vector(1, SourceLocation(27, 28, make_shared("--CODEGEN--"))) +
vector(1, SourceLocation(20, 32, make_shared("--CODEGEN--"))) +
vector(1, SourceLocation(5, 7, make_shared("--CODEGEN--"))) +
vector(24, SourceLocation(20, 72, make_shared(""))) +
vector(1, SourceLocation(42, 51, make_shared(""))) +
vector(1, SourceLocation(65, 67, make_shared(""))) +
vector(2, SourceLocation(58, 67, make_shared(""))) +
vector(2, SourceLocation(20, 72, make_shared("")));
checkAssemblyLocations(items, locations);
}
BOOST_AUTO_TEST_SUITE_END()
}
}
} // end namespaces