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