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NameDispenser: Added three public functions.

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The private function `illegalName` was converted into a public function.

A new public getter function `usedNames()` returns a reference to `m_usedNames`.

A public function reset that would change all `m_usedNames` to *only* the names that are used in the
AST. Also resets the counter. This will be used before the final NameSimplifier step in the
optimization phase.

The first two functions were added so that `NameSimplifier` could use it instead of traversing the AST
using `NameCollector` to find used names.
This commit is contained in:
hrkrshnn
2020-11-30 14:02:57 +01:00
parent e8843fe1d3
commit cf6fe5a777
2 changed files with 17 additions and 2 deletions
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libyul/optimiser/NameDispenser.cpp
+8 -1
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@@ -35,8 +35,9 @@ using namespace solidity::yul;
using namespace solidity::util;
NameDispenser::NameDispenser(Dialect const& _dialect, Block const& _ast, set<YulString> _reservedNames):
NameDispenser(_dialect, NameCollector(_ast).names() + std::move(_reservedNames))
NameDispenser(_dialect, NameCollector(_ast).names() + _reservedNames)
{
m_reservedNames = move(_reservedNames);
}
NameDispenser::NameDispenser(Dialect const& _dialect, set<YulString> _usedNames):
@@ -61,3 +62,9 @@ bool NameDispenser::illegalName(YulString _name)
{
return isRestrictedIdentifier(m_dialect, _name) || m_usedNames.count(_name);
}
void NameDispenser::reset(Block const& _ast)
{
m_usedNames = NameCollector(_ast).names() + m_reservedNames;
m_counter = 0;
}