mirror of
https://github.com/ethereum/solidity
synced 2023-10-03 13:03:40 +00:00
69 lines
1.9 KiB
C++
69 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/>.
|
|
*/
|
|
// SPDX-License-Identifier: GPL-3.0
|
|
|
|
#include <libyul/optimiser/ForLoopConditionIntoBody.h>
|
|
#include <libyul/optimiser/OptimiserStep.h>
|
|
#include <libyul/AsmData.h>
|
|
#include <libsolutil/CommonData.h>
|
|
|
|
using namespace std;
|
|
using namespace solidity;
|
|
using namespace solidity::yul;
|
|
|
|
void ForLoopConditionIntoBody::run(OptimiserStepContext& _context, Block& _ast)
|
|
{
|
|
ForLoopConditionIntoBody{_context.dialect}(_ast);
|
|
}
|
|
|
|
void ForLoopConditionIntoBody::operator()(ForLoop& _forLoop)
|
|
{
|
|
if (
|
|
m_dialect.booleanNegationFunction() &&
|
|
!holds_alternative<Literal>(*_forLoop.condition) &&
|
|
!holds_alternative<Identifier>(*_forLoop.condition)
|
|
)
|
|
{
|
|
langutil::SourceLocation const loc = locationOf(*_forLoop.condition);
|
|
|
|
_forLoop.body.statements.emplace(
|
|
begin(_forLoop.body.statements),
|
|
If {
|
|
loc,
|
|
make_unique<Expression>(
|
|
FunctionCall {
|
|
loc,
|
|
{loc, m_dialect.booleanNegationFunction()->name},
|
|
util::make_vector<Expression>(std::move(*_forLoop.condition))
|
|
}
|
|
),
|
|
Block {loc, util::make_vector<Statement>(Break{{}})}
|
|
}
|
|
);
|
|
_forLoop.condition = make_unique<Expression>(
|
|
Literal {
|
|
loc,
|
|
LiteralKind::Boolean,
|
|
"true"_yulstring,
|
|
m_dialect.boolType
|
|
}
|
|
);
|
|
}
|
|
ASTModifier::operator()(_forLoop);
|
|
}
|
|
|