Function GetLuaFunctionRefInfo

engine/script/src/script.cpp:2081–2093

* Get information about where a Lua function is defined * @param L lua state * @param stack_index which index on the stack that contains the lua function ref * @param out_function_info pointer to the function information that is filled out * @return true on success, out_function_info is only touched if the function succeeds */

     * @return true on success, out_function_info is only touched if the function succeeds
     */
    static bool GetLuaFunctionRefInfo(lua_State* L, int stack_index, LuaFunctionInfo* out_function_info)
    {
        lua_Debug ar;
        lua_pushvalue(L, stack_index);
        if (lua_getinfo(L, ">Sn", &ar))
        {
            out_function_info->m_FileName = &ar.source[1];  // Skip source prefix character
            out_function_info->m_LineNumber = ar.linedefined;
            out_function_info->m_OptionalName = ar.name;
            return true;
        }
        return false;
    }

    // Fast length limited string concatenation that assume we already point to
    // the end of the string. Returns the new end of the string so we do not need