ladybird/Userland/Libraries/LibJS/Bytecode/Op.cpp

119 lines
3.3 KiB
C++

/*
* 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 AbstractInequals::execute(Bytecode::Interpreter& interpreter) const
{
interpreter.reg(m_dst) = Value(!abstract_eq(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 AbstractInequals::to_string() const
{
return String::formatted("AbstractInequals 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);
}
}