Replace boost::variant by std::variant in libyul

This commit is contained in:
Leonardo Alt
2019-11-19 17:23:18 +01:00
parent 6d85b63f87
commit be849b3c47
75 changed files with 371 additions and 372 deletions
+14 -14
View File
@@ -29,12 +29,12 @@ using namespace yul;
void ConditionalUnsimplifier::operator()(Switch& _switch)
{
visit(*_switch.expression);
if (_switch.expression->type() != typeid(Identifier))
if (!holds_alternative<Identifier>(*_switch.expression))
{
ASTModifier::operator()(_switch);
return;
}
YulString expr = boost::get<Identifier>(*_switch.expression).name;
YulString expr = std::get<Identifier>(*_switch.expression).name;
for (auto& _case: _switch.cases)
{
if (_case.value)
@@ -42,15 +42,15 @@ void ConditionalUnsimplifier::operator()(Switch& _switch)
(*this)(*_case.value);
if (
!_case.body.statements.empty() &&
_case.body.statements.front().type() == typeid(Assignment)
holds_alternative<Assignment>(_case.body.statements.front())
)
{
Assignment const& assignment = boost::get<Assignment>(_case.body.statements.front());
Assignment const& assignment = std::get<Assignment>(_case.body.statements.front());
if (
assignment.variableNames.size() == 1 &&
assignment.variableNames.front().name == expr &&
assignment.value->type() == typeid(Literal) &&
valueOfLiteral(boost::get<Literal>(*assignment.value)) == valueOfLiteral(*_case.value)
holds_alternative<Literal>(*assignment.value) &&
valueOfLiteral(std::get<Literal>(*assignment.value)) == valueOfLiteral(*_case.value)
)
_case.body.statements.erase(_case.body.statements.begin());
}
@@ -66,27 +66,27 @@ void ConditionalUnsimplifier::operator()(Block& _block)
_block.statements,
[&](Statement& _stmt1, Statement& _stmt2) -> std::optional<vector<Statement>>
{
if (_stmt1.type() == typeid(If))
if (holds_alternative<If>(_stmt1))
{
If& _if = boost::get<If>(_stmt1);
If& _if = std::get<If>(_stmt1);
if (
_if.condition->type() == typeid(Identifier) &&
holds_alternative<Identifier>(*_if.condition) &&
!_if.body.statements.empty()
)
{
YulString condition = boost::get<Identifier>(*_if.condition).name;
YulString condition = std::get<Identifier>(*_if.condition).name;
if (
_stmt2.type() == typeid(Assignment) &&
holds_alternative<Assignment>(_stmt2) &&
TerminationFinder(m_dialect).controlFlowKind(_if.body.statements.back()) !=
TerminationFinder::ControlFlow::FlowOut
)
{
Assignment const& assignment = boost::get<Assignment>(_stmt2);
Assignment const& assignment = std::get<Assignment>(_stmt2);
if (
assignment.variableNames.size() == 1 &&
assignment.variableNames.front().name == condition &&
assignment.value->type() == typeid(Literal) &&
valueOfLiteral(boost::get<Literal>(*assignment.value)) == 0
holds_alternative<Literal>(*assignment.value) &&
valueOfLiteral(std::get<Literal>(*assignment.value)) == 0
)
return {make_vector<Statement>(std::move(_stmt1))};
}