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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/>.
*/
/**
* Yul dialect.
*/
#include <libyul/Dialect.h>
#include <map>
using namespace yul;
using namespace std;
namespace
{
void addFunction(
map<YulString, BuiltinFunction>& _repository,
string const& _name,
size_t _params,
size_t _returns,
bool _movable
)
{
_repository[YulString{_name}] = BuiltinFunction{
YulString{_name},
vector<Type>(_params),
vector<Type>(_returns),
_movable
};
}
class GenericBuiltins: public Builtins
{
public:
GenericBuiltins(map<YulString, BuiltinFunction> const& _functions): m_functions(_functions) {}
BuiltinFunction const* query(YulString _name) const
{
auto it = m_functions.find(_name);
if (it != end(m_functions))
return &it->second;
else
return nullptr;
}
private:
map<YulString, BuiltinFunction> const& m_functions;
};
}
Dialect Dialect::strictAssemblyForEVMObjects()
{
static map<YulString, BuiltinFunction> functions;
if (functions.empty())
{
addFunction(functions, "datasize", 1, 1, true);
addFunction(functions, "dataoffset", 1, 1, true);
addFunction(functions, "datacopy", 3, 0, false);
}
// The EVM instructions will be moved to builtins at some point.
return Dialect{AsmFlavour::Strict, std::make_shared<GenericBuiltins>(functions)};
}
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