filename_stack[include_stack_ptr] = current_filename;
includedir_stack[include_stack_ptr] = current_include_dirs;
add_include_dir(get_path(fullfilename));
filename_stack[include_stack_ptr] = current_filename;
includedir_stack[include_stack_ptr] = current_include_dirs;
add_include_dir(get_path(fullfilename));