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LibJS/Bytecode: Set "home object" of functions within object expression

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We manage this by having a stack of home objects in Generator, and then
adding an optional home object parameter to the NewFunction instruction.
This commit is contained in:
Andreas Kling 2023-06-16 10:25:05 +02:00
parent a33af174b2
commit c9bd324369
5 changed files with 45 additions and 4 deletions
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6
Userland/Libraries/LibJS/Bytecode/Op.h
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@ -777,19 +777,21 @@ private:
class NewFunction final : public Instruction {
public:
explicit NewFunction(FunctionNode const& function_node)
explicit NewFunction(FunctionNode const& function_node, Optional<Register> home_object = {})
: Instruction(Type::NewFunction)
, m_function_node(function_node)
, m_home_object(move(home_object))
{
}
ThrowCompletionOr<void> execute_impl(Bytecode::Interpreter&) const;
DeprecatedString to_deprecated_string_impl(Bytecode::Executable const&) const;
void replace_references_impl(BasicBlock const&, BasicBlock const&) { }
void replace_references_impl(Register, Register) { }
void replace_references_impl(Register, Register);
private:
FunctionNode const& m_function_node;
Optional<Register> m_home_object;
};
class Return final : public Instruction {