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js: Allow for completion of lexically declared variables

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This does require us to have a method which lists all the bindings in
a declarative environment which is not in the spec.
This commit is contained in:
davidot 2021-10-03 13:20:15 +02:00 • committed by Andreas Kling
parent 0be0e7ea6e
commit f4f1397735
3 changed files with 18 additions and 0 deletions
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9
Userland/Libraries/LibJS/Runtime/DeclarativeEnvironment.cpp
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@ -142,4 +142,13 @@ void DeclarativeEnvironment::initialize_or_set_mutable_binding(Badge<ScopeNode>,
set_mutable_binding(global_object, name, value, false);
}
Vector<String> DeclarativeEnvironment::bindings() const
{
Vector<String> names;
for (auto& binding : m_bindings) {
names.empend(binding.key);
}
return names;
}
}

3
Userland/Libraries/LibJS/Runtime/DeclarativeEnvironment.h
View file

@ -31,6 +31,9 @@ public:
void initialize_or_set_mutable_binding(Badge<ScopeNode>, GlobalObject& global_object, FlyString const& name, Value value);
// This is not a method defined in the spec! Do not use this in any LibJS (or other spec related) code.
[[nodiscard]] Vector<String> bindings() const;
protected:
virtual void visit_edges(Visitor&) override;