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LibJS: Implement 'this' in the bytecode VM
ThisExpression now emits a "ResolveThisBinding" bytecode op, which simply loads the VM's current 'this' binding into the accumulator.
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5 changed files with 29 additions and 0 deletions
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@ -282,6 +282,11 @@ void Jump::execute_impl(Bytecode::Interpreter& interpreter) const
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interpreter.jump(*m_true_target);
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}
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void ResolveThisBinding::execute_impl(Bytecode::Interpreter& interpreter) const
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{
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interpreter.accumulator() = interpreter.vm().resolve_this_binding(interpreter.global_object());
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}
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void Jump::replace_references_impl(BasicBlock const& from, BasicBlock const& to)
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{
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if (m_true_target.has_value() && &m_true_target->block() == &from)
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@ -785,4 +790,9 @@ String IteratorResultValue::to_string_impl(Executable const&) const
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return "IteratorResultValue";
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}
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String ResolveThisBinding::to_string_impl(Bytecode::Executable const&) const
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{
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return "ResolveThisBinding"sv;
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}
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}
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