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Rewrite GenericVisitor

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This commit is contained in:
Leonardo Alt
2019-11-26 15:55:06 +01:00
parent 41177bc75c
commit 2bfa3a7c97
8 changed files with 59 additions and 123 deletions
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libyul/optimiser/StructuralSimplifier.cpp
+3 -2
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@@ -71,7 +71,8 @@ void StructuralSimplifier::operator()(Block& _block)
void StructuralSimplifier::simplify(std::vector<yul::Statement>& _statements)
{
GenericFallbackReturnsVisitor<OptionalStatements, If, Switch, ForLoop> const visitor(
GenericVisitor visitor{
VisitorFallback<OptionalStatements>{},
[&](If& _ifStmt) -> OptionalStatements {
if (expressionAlwaysTrue(*_ifStmt.condition))
return {std::move(_ifStmt.body.statements)};
@@ -89,7 +90,7 @@ void StructuralSimplifier::simplify(std::vector<yul::Statement>& _statements)
return {std::move(_forLoop.pre.statements)};
return {};
}
);
};
iterateReplacing(
_statements,