solidity/libyul/Dialect.cpp
2020-02-24 15:05:19 +01:00

71 lines
1.9 KiB
C++

/*
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 <libyul/AsmData.h>
using namespace solidity::yul;
using namespace std;
using namespace solidity::langutil;
Literal Dialect::zeroLiteralForType(solidity::yul::YulString _type) const
{
if (_type == boolType && _type != defaultType)
return {SourceLocation{}, LiteralKind::Boolean, "false"_yulstring, _type};
return {SourceLocation{}, LiteralKind::Number, "0"_yulstring, _type};
}
bool Dialect::validTypeForLiteral(LiteralKind _kind, YulString, YulString _type) const
{
if (_kind == LiteralKind::Boolean)
return _type == boolType;
else
return true;
}
Dialect const& Dialect::yulDeprecated()
{
static unique_ptr<Dialect> dialect;
static YulStringRepository::ResetCallback callback{[&] { dialect.reset(); }};
if (!dialect)
{
// TODO will probably change, especially the list of types.
dialect = make_unique<Dialect>();
dialect->defaultType = "u256"_yulstring;
dialect->boolType = "bool"_yulstring;
dialect->types = {
"bool"_yulstring,
"u8"_yulstring,
"s8"_yulstring,
"u32"_yulstring,
"s32"_yulstring,
"u64"_yulstring,
"s64"_yulstring,
"u128"_yulstring,
"s128"_yulstring,
"u256"_yulstring,
"s256"_yulstring
};
};
return *dialect;
}