Everywhere: Hoist the Libraries folder to the top-level

Libraries/LibJS/Bytecode/IdentifierTable.h

@@ -0,0 +1,36 @@
+/*
+ * Copyright (c) 2021, Andreas Kling <andreas@ladybird.org>
+ *
+ * SPDX-License-Identifier: BSD-2-Clause
+ */
+
+#pragma once
+
+#include <AK/DeprecatedFlyString.h>
+#include <AK/DistinctNumeric.h>
+#include <AK/Vector.h>
+
+namespace JS::Bytecode {
+
+struct IdentifierTableIndex {
+    bool is_valid() const { return value != NumericLimits<u32>::max(); }
+    u32 value { 0 };
+};
+
+class IdentifierTable {
+    AK_MAKE_NONMOVABLE(IdentifierTable);
+    AK_MAKE_NONCOPYABLE(IdentifierTable);
+
+public:
+    IdentifierTable() = default;
+
+    IdentifierTableIndex insert(DeprecatedFlyString);
+    DeprecatedFlyString const& get(IdentifierTableIndex) const;
+    void dump() const;
+    bool is_empty() const { return m_identifiers.is_empty(); }
+
+private:
+    Vector<DeprecatedFlyString> m_identifiers;
+};
+
+}