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LibJS: Add LessThan bytecode instruction :^)
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3 changed files with 32 additions and 0 deletions
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@ -48,6 +48,9 @@ Optional<Bytecode::Register> BinaryExpression::generate_bytecode(Bytecode::Gener
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case BinaryOp::Subtraction:
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case BinaryOp::Subtraction:
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generator.emit<Bytecode::Op::Sub>(dst_reg, *lhs_reg, *rhs_reg);
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generator.emit<Bytecode::Op::Sub>(dst_reg, *lhs_reg, *rhs_reg);
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return dst_reg;
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return dst_reg;
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case BinaryOp::LessThan:
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generator.emit<Bytecode::Op::LessThan>(dst_reg, *lhs_reg, *rhs_reg);
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return dst_reg;
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default:
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default:
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TODO();
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TODO();
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}
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}
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@ -26,6 +26,11 @@ void Sub::execute(Bytecode::Interpreter& interpreter) const
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interpreter.reg(m_dst) = sub(interpreter.global_object(), interpreter.reg(m_src1), interpreter.reg(m_src2));
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interpreter.reg(m_dst) = sub(interpreter.global_object(), interpreter.reg(m_src1), interpreter.reg(m_src2));
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}
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}
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void LessThan::execute(Bytecode::Interpreter& interpreter) const
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{
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interpreter.reg(m_dst) = less_than(interpreter.global_object(), interpreter.reg(m_src1), interpreter.reg(m_src2));
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}
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void NewString::execute(Bytecode::Interpreter& interpreter) const
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void NewString::execute(Bytecode::Interpreter& interpreter) const
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{
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{
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interpreter.reg(m_dst) = js_string(interpreter.vm(), m_string);
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interpreter.reg(m_dst) = js_string(interpreter.vm(), m_string);
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@ -56,6 +61,11 @@ String Sub::to_string() const
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return String::formatted("Sub dst:{}, src1:{}, src2:{}", m_dst, m_src1, m_src2);
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return String::formatted("Sub dst:{}, src1:{}, src2:{}", m_dst, m_src1, m_src2);
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}
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}
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String LessThan::to_string() const
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{
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return String::formatted("LessThan dst:{}, src1:{}, src2:{}", m_dst, m_src1, m_src2);
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}
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String NewString::to_string() const
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String NewString::to_string() const
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{
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{
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return String::formatted("NewString dst:{}, string:\"{}\"", m_dst, m_string);
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return String::formatted("NewString dst:{}, string:\"{}\"", m_dst, m_string);
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@ -69,6 +69,25 @@ private:
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Register m_src2;
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Register m_src2;
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};
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};
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class LessThan final : public Instruction {
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public:
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LessThan(Register dst, Register src1, Register src2)
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: m_dst(dst)
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, m_src1(src1)
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, m_src2(src2)
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{
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}
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virtual ~LessThan() override { }
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virtual void execute(Bytecode::Interpreter&) const override;
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virtual String to_string() const override;
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private:
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Register m_dst;
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Register m_src1;
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Register m_src2;
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};
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class NewString final : public Instruction {
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class NewString final : public Instruction {
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public:
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public:
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NewString(Register dst, String string)
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NewString(Register dst, String string)
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