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LibJS: Implement bytecode generation for For-In/Of statements

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This also implements the rather interesting behaviour that #12772 relies
on, so this fixes that bug in BC mode (the AST interp remains affected).
This commit is contained in:
Ali Mohammad Pur 2022-03-18 20:18:19 +03:30 • committed by Andreas Kling
parent 83afc1154c
commit 8f7021faf7
6 changed files with 454 additions and 15 deletions
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Userland/Libraries/LibJS/AST.h
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@ -894,6 +894,7 @@ public:
Statement const& body() const { return *m_body; }
virtual Completion execute(Interpreter&, GlobalObject&) const override;
virtual Bytecode::CodeGenerationErrorOr<void> generate_bytecode(Bytecode::Generator&) const override;
virtual Completion loop_evaluation(Interpreter&, GlobalObject&, Vector<FlyString> const&) const override;
virtual void dump(int indent) const override;
@ -918,6 +919,7 @@ public:
Statement const& body() const { return *m_body; }
virtual Completion execute(Interpreter&, GlobalObject&) const override;
virtual Bytecode::CodeGenerationErrorOr<void> generate_bytecode(Bytecode::Generator&) const override;
virtual Completion loop_evaluation(Interpreter&, GlobalObject&, Vector<FlyString> const&) const override;
virtual void dump(int indent) const override;