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LibJS: Generate bytecode for UpdateExpression with MemberExpression arg
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1 changed files with 14 additions and 20 deletions
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@ -1134,29 +1134,23 @@ void TaggedTemplateLiteral::generate_bytecode(Bytecode::Generator& generator) co
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void UpdateExpression::generate_bytecode(Bytecode::Generator& generator) const
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void UpdateExpression::generate_bytecode(Bytecode::Generator& generator) const
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{
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{
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if (is<Identifier>(*m_argument)) {
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generator.emit_load_from_reference(*m_argument);
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auto& identifier = static_cast<Identifier const&>(*m_argument);
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generator.emit<Bytecode::Op::GetVariable>(generator.intern_identifier(identifier.string()));
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Optional<Bytecode::Register> previous_value_for_postfix_reg;
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Optional<Bytecode::Register> previous_value_for_postfix_reg;
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if (!m_prefixed) {
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if (!m_prefixed) {
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previous_value_for_postfix_reg = generator.allocate_register();
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previous_value_for_postfix_reg = generator.allocate_register();
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generator.emit<Bytecode::Op::Store>(*previous_value_for_postfix_reg);
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generator.emit<Bytecode::Op::Store>(*previous_value_for_postfix_reg);
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}
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if (m_op == UpdateOp::Increment)
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generator.emit<Bytecode::Op::Increment>();
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else
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generator.emit<Bytecode::Op::Decrement>();
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generator.emit<Bytecode::Op::SetVariable>(generator.intern_identifier(identifier.string()));
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if (!m_prefixed)
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generator.emit<Bytecode::Op::Load>(*previous_value_for_postfix_reg);
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return;
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}
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}
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TODO();
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if (m_op == UpdateOp::Increment)
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generator.emit<Bytecode::Op::Increment>();
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else
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generator.emit<Bytecode::Op::Decrement>();
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generator.emit_store_to_reference(*m_argument);
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if (!m_prefixed)
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generator.emit<Bytecode::Op::Load>(*previous_value_for_postfix_reg);
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}
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}
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void ThrowStatement::generate_bytecode(Bytecode::Generator& generator) const
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void ThrowStatement::generate_bytecode(Bytecode::Generator& generator) const
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