luau/Common/include/Luau/BytecodeUtils.h

// This file is part of the Luau programming language and is licensed under MIT License; see LICENSE.txt for details
#pragma once

#include "Luau/Bytecode.h"

namespace Luau
{

inline int getOpLength(LuauOpcode op)
{
    switch (op)
    {
    case LOP_GETGLOBAL:
    case LOP_SETGLOBAL:
    case LOP_GETIMPORT:
    case LOP_GETTABLEKS:
    case LOP_SETTABLEKS:
    case LOP_NAMECALL:
    case LOP_JUMPIFEQ:
    case LOP_JUMPIFLE:
    case LOP_JUMPIFLT:
    case LOP_JUMPIFNOTEQ:
    case LOP_JUMPIFNOTLE:
    case LOP_JUMPIFNOTLT:
    case LOP_NEWTABLE:
    case LOP_SETLIST:
    case LOP_FORGLOOP:
    case LOP_LOADKX:
    case LOP_FASTCALL2:
    case LOP_FASTCALL2K:
    case LOP_FASTCALL3:
    case LOP_JUMPXEQKNIL:
    case LOP_JUMPXEQKB:
    case LOP_JUMPXEQKN:
    case LOP_JUMPXEQKS:
        return 2;

    default:
        return 1;
    }
}

} // namespace Luau