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- /*
- * Copyright (c) 2021, Andreas Kling <kling@serenityos.org>
- *
- * SPDX-License-Identifier: BSD-2-Clause
- */
- #include <LibJS/Bytecode/Interpreter.h>
- #include <LibJS/Bytecode/Op.h>
- #include <LibJS/Runtime/GlobalObject.h>
- #include <LibJS/Runtime/Value.h>
- namespace JS::Bytecode::Op {
- void Load::execute(Bytecode::Interpreter& interpreter) const
- {
- interpreter.reg(m_dst) = m_value;
- }
- void Add::execute(Bytecode::Interpreter& interpreter) const
- {
- interpreter.reg(m_dst) = add(interpreter.global_object(), interpreter.reg(m_src1), interpreter.reg(m_src2));
- }
- void Sub::execute(Bytecode::Interpreter& interpreter) const
- {
- interpreter.reg(m_dst) = sub(interpreter.global_object(), interpreter.reg(m_src1), interpreter.reg(m_src2));
- }
- void LessThan::execute(Bytecode::Interpreter& interpreter) const
- {
- interpreter.reg(m_dst) = less_than(interpreter.global_object(), interpreter.reg(m_src1), interpreter.reg(m_src2));
- }
- void NewString::execute(Bytecode::Interpreter& interpreter) const
- {
- interpreter.reg(m_dst) = js_string(interpreter.vm(), m_string);
- }
- void GetVariable::execute(Bytecode::Interpreter& interpreter) const
- {
- interpreter.reg(m_dst) = interpreter.vm().get_variable(m_identifier, interpreter.global_object());
- }
- void SetVariable::execute(Bytecode::Interpreter& interpreter) const
- {
- interpreter.vm().set_variable(m_identifier, interpreter.reg(m_src), interpreter.global_object());
- }
- void Jump::execute(Bytecode::Interpreter& interpreter) const
- {
- interpreter.jump(m_target);
- }
- void JumpIfFalse::execute(Bytecode::Interpreter& interpreter) const
- {
- VERIFY(m_target.has_value());
- auto result = interpreter.reg(m_result);
- if (!result.as_bool())
- interpreter.jump(m_target.value());
- }
- String Load::to_string() const
- {
- return String::formatted("Load dst:{}, value:{}", m_dst, m_value.to_string_without_side_effects());
- }
- String Add::to_string() const
- {
- return String::formatted("Add dst:{}, src1:{}, src2:{}", m_dst, m_src1, m_src2);
- }
- String Sub::to_string() const
- {
- return String::formatted("Sub dst:{}, src1:{}, src2:{}", m_dst, m_src1, m_src2);
- }
- String LessThan::to_string() const
- {
- return String::formatted("LessThan dst:{}, src1:{}, src2:{}", m_dst, m_src1, m_src2);
- }
- String NewString::to_string() const
- {
- return String::formatted("NewString dst:{}, string:\"{}\"", m_dst, m_string);
- }
- String GetVariable::to_string() const
- {
- return String::formatted("GetVariable dst:{}, identifier:{}", m_dst, m_identifier);
- }
- String SetVariable::to_string() const
- {
- return String::formatted("SetVariable identifier:{}, src:{}", m_identifier, m_src);
- }
- String Jump::to_string() const
- {
- return String::formatted("Jump {}", m_target);
- }
- String JumpIfFalse::to_string() const
- {
- if (m_target.has_value())
- return String::formatted("JumpIfFalse result:{}, target:{}", m_result, m_target.value());
- return String::formatted("JumpIfFalse result:{}, target:<empty>", m_result);
- }
- }
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