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LibJS: Add StringOrSymbol constructor that takes a FlyString

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This avoids refcount churn from implicit conversion in some places.
This commit is contained in:
Andreas Kling 2020-10-04 17:36:12 +02:00
parent 3d053f244f
commit d01b746d88
1 changed files with 8 additions and 0 deletions
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8
Libraries/LibJS/Runtime/StringOrSymbol.h
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@ -26,6 +26,7 @@
#pragma once
#include <AK/FlyString.h>
#include <LibJS/Runtime/PrimitiveString.h>
#include <LibJS/Runtime/Symbol.h>
#include <LibJS/Runtime/Value.h>
@ -58,6 +59,13 @@ public:
static_cast<const StringImpl*>(m_ptr)->ref();
}
StringOrSymbol(const FlyString& string)
: m_ptr(string.impl())
{
ASSERT(!string.is_null());
static_cast<const StringImpl*>(m_ptr)->ref();
}
~StringOrSymbol()
{
if (is_string())