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LibJS: Convert GeneratorObject's [[GeneratorBrand]] to a StringView

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This optional parameter is not currently set by any caller, but will be
for the Iterator Helpers proposal. In all specs, this parameter is a
static string, so we can just use a StringView rather than allocating a
(Deprecated)String on each invocation.

This also changes this optional parameter to be passed by const-ref, as
it does not need to be copied.
This commit is contained in:
Timothy Flynn 2023-07-16 14:33:20 -04:00 • committed by Linus Groh
parent f8cb4f9686
commit 60adeb11c9
2 changed files with 8 additions and 8 deletions
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8
Userland/Libraries/LibJS/Runtime/GeneratorObject.h
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@ -20,8 +20,8 @@ public:
virtual ~GeneratorObject() override = default;
void visit_edges(Cell::Visitor&) override;
ThrowCompletionOr<Value> resume(VM&, Value value, Optional<DeprecatedString> generator_brand);
ThrowCompletionOr<Value> resume_abrupt(VM&, JS::Completion abrupt_completion, Optional<DeprecatedString> generator_brand);
ThrowCompletionOr<Value> resume(VM&, Value value, Optional<StringView> const& generator_brand);
ThrowCompletionOr<Value> resume_abrupt(VM&, JS::Completion abrupt_completion, Optional<StringView> const& generator_brand);
private:
GeneratorObject(Realm&, Object& prototype, ExecutionContext);
@ -33,7 +33,7 @@ private:
Completed,
};
ThrowCompletionOr<GeneratorState> validate(VM&, Optional<DeprecatedString> const& generator_brand);
ThrowCompletionOr<GeneratorState> validate(VM&, Optional<StringView> const& generator_brand);
ThrowCompletionOr<Value> execute(VM&, JS::Completion const& completion);
ExecutionContext m_execution_context;
@ -41,7 +41,7 @@ private:
Value m_previous_value;
Optional<Bytecode::RegisterWindow> m_frame;
GeneratorState m_generator_state { GeneratorState::SuspendedStart };
Optional<DeprecatedString> m_generator_brand;
Optional<StringView> m_generator_brand;
};
}