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

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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
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libyul/backends/evm/ConstantOptimiser.cpp
+7 -5
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@@ -27,6 +27,8 @@
#include <libdevcore/CommonData.h>
#include <variant>
using namespace std;
using namespace dev;
using namespace yul;
@@ -35,13 +37,13 @@ using Representation = ConstantOptimiser::Representation;
namespace
{
struct MiniEVMInterpreter: boost::static_visitor<u256>
struct MiniEVMInterpreter
{
explicit MiniEVMInterpreter(EVMDialect const& _dialect): m_dialect(_dialect) {}
u256 eval(Expression const& _expr)
{
return boost::apply_visitor(*this, _expr);
return std::visit(*this, _expr);
}
u256 eval(dev::eth::Instruction _instr, vector<Expression> const& _arguments)
@@ -92,9 +94,9 @@ struct MiniEVMInterpreter: boost::static_visitor<u256>
void ConstantOptimiser::visit(Expression& _e)
{
if (_e.type() == typeid(Literal))
if (holds_alternative<Literal>(_e))
{
Literal const& literal = boost::get<Literal>(_e);
Literal const& literal = std::get<Literal>(_e);
if (literal.kind != LiteralKind::Number)
return;
@@ -115,7 +117,7 @@ Expression const* RepresentationFinder::tryFindRepresentation(dev::u256 const& _
return nullptr;
Representation const& repr = findRepresentation(_value);
if (repr.expression->type() == typeid(Literal))
if (holds_alternative<Literal>(*repr.expression))
return nullptr;
else
return repr.expression.get();