diff options
Diffstat (limited to 'src/nvim/fileio.c')
-rw-r--r-- | src/nvim/fileio.c | 159 |
1 files changed, 91 insertions, 68 deletions
diff --git a/src/nvim/fileio.c b/src/nvim/fileio.c index f8cf341836..965aa8749d 100644 --- a/src/nvim/fileio.c +++ b/src/nvim/fileio.c @@ -242,6 +242,7 @@ int readfile(char_u *fname, char_u *sfname, linenr_T from, linenr_T lines_to_ski bool notconverted = false; // true if conversion wanted but it wasn't possible char_u conv_rest[CONV_RESTLEN]; int conv_restlen = 0; // nr of bytes in conv_rest[] + pos_T orig_start; buf_T *old_curbuf; char_u *old_b_ffname; char_u *old_b_fname; @@ -298,14 +299,10 @@ int readfile(char_u *fname, char_u *sfname, linenr_T from, linenr_T lines_to_ski fname = sfname; #endif - /* - * The BufReadCmd and FileReadCmd events intercept the reading process by - * executing the associated commands instead. - */ + // The BufReadCmd and FileReadCmd events intercept the reading process by + // executing the associated commands instead. if (!filtering && !read_stdin && !read_buffer) { - pos_T pos; - - pos = curbuf->b_op_start; + orig_start = curbuf->b_op_start; // Set '[ mark to the line above where the lines go (line 1 if zero). curbuf->b_op_start.lnum = ((from == 0) ? 1 : from); @@ -335,7 +332,7 @@ int readfile(char_u *fname, char_u *sfname, linenr_T from, linenr_T lines_to_ski return aborting() ? FAIL : OK; } - curbuf->b_op_start = pos; + curbuf->b_op_start = orig_start; } if ((shortmess(SHM_OVER) || curbuf->b_help) && p_verbose == 0) { @@ -408,6 +405,7 @@ int readfile(char_u *fname, char_u *sfname, linenr_T from, linenr_T lines_to_ski if (os_fileinfo((char *)fname, &file_info)) { buf_store_file_info(curbuf, &file_info); curbuf->b_mtime_read = curbuf->b_mtime; + curbuf->b_mtime_read_ns = curbuf->b_mtime_ns; #ifdef UNIX /* * Use the protection bits of the original file for the swap file. @@ -424,7 +422,9 @@ int readfile(char_u *fname, char_u *sfname, linenr_T from, linenr_T lines_to_ski #endif } else { curbuf->b_mtime = 0; + curbuf->b_mtime_ns = 0; curbuf->b_mtime_read = 0; + curbuf->b_mtime_read_ns = 0; curbuf->b_orig_size = 0; curbuf->b_orig_mode = 0; } @@ -576,9 +576,8 @@ int readfile(char_u *fname, char_u *sfname, linenr_T from, linenr_T lines_to_ski ++no_wait_return; // don't wait for return yet - /* - * Set '[ mark to the line above where the lines go (line 1 if zero). - */ + // Set '[ mark to the line above where the lines go (line 1 if zero). + orig_start = curbuf->b_op_start; curbuf->b_op_start.lnum = ((from == 0) ? 1 : from); curbuf->b_op_start.col = 0; @@ -618,6 +617,7 @@ int readfile(char_u *fname, char_u *sfname, linenr_T from, linenr_T lines_to_ski try_mac = (vim_strchr(p_ffs, 'm') != NULL); try_dos = (vim_strchr(p_ffs, 'd') != NULL); try_unix = (vim_strchr(p_ffs, 'x') != NULL); + curbuf->b_op_start = orig_start; if (msg_scrolled == n) { msg_scroll = m; @@ -1888,13 +1888,13 @@ failed: check_cursor_lnum(); beginline(BL_WHITE | BL_FIX); // on first non-blank - /* - * Set '[ and '] marks to the newly read lines. - */ - curbuf->b_op_start.lnum = from + 1; - curbuf->b_op_start.col = 0; - curbuf->b_op_end.lnum = from + linecnt; - curbuf->b_op_end.col = 0; + if (!cmdmod.lockmarks) { + // Set '[ and '] marks to the newly read lines. + curbuf->b_op_start.lnum = from + 1; + curbuf->b_op_start.col = 0; + curbuf->b_op_end.lnum = from + linecnt; + curbuf->b_op_end.col = 0; + } } msg_scroll = msg_save; @@ -2013,10 +2013,8 @@ static linenr_T readfile_linenr(linenr_T linecnt, char_u *p, char_u *endp) return lnum; } -/* - * Fill "*eap" to force the 'fileencoding', 'fileformat' and 'binary to be - * equal to the buffer "buf". Used for calling readfile(). - */ +/// Fill "*eap" to force the 'fileencoding', 'fileformat' and 'binary' to be +/// equal to the buffer "buf". Used for calling readfile(). void prep_exarg(exarg_T *eap, const buf_T *buf) FUNC_ATTR_NONNULL_ALL { @@ -2252,6 +2250,8 @@ int buf_write(buf_T *buf, char_u *fname, char_u *sfname, linenr_T start, linenr_ int write_undo_file = FALSE; context_sha256_T sha_ctx; unsigned int bkc = get_bkc_value(buf); + const pos_T orig_start = buf->b_op_start; + const pos_T orig_end = buf->b_op_end; if (fname == NULL || *fname == NUL) { // safety check return FAIL; @@ -2432,7 +2432,13 @@ int buf_write(buf_T *buf, char_u *fname, char_u *sfname, linenr_T start, linenr_ if (buf == NULL || (buf->b_ml.ml_mfp == NULL && !empty_memline) || did_cmd || nofile_err || aborting()) { - --no_wait_return; + if (buf != NULL && cmdmod.lockmarks) { + // restore the original '[ and '] positions + buf->b_op_start = orig_start; + buf->b_op_end = orig_end; + } + + no_wait_return--; msg_scroll = msg_save; if (nofile_err) { emsg(_("E676: No matching autocommands for acwrite buffer")); @@ -2513,6 +2519,11 @@ int buf_write(buf_T *buf, char_u *fname, char_u *sfname, linenr_T start, linenr_ } } + if (cmdmod.lockmarks) { + // restore the original '[ and '] positions + buf->b_op_start = orig_start; + buf->b_op_end = orig_end; + } if (shortmess(SHM_OVER) && !exiting) { msg_scroll = FALSE; // overwrite previous file message @@ -3308,7 +3319,7 @@ restore_backup: if (end == 0 || (lnum == end && (write_bin || !buf->b_p_fixeol) - && (lnum == buf->b_no_eol_lnum + && ((write_bin && lnum == buf->b_no_eol_lnum) || (lnum == buf->b_ml.ml_line_count && !buf->b_p_eol)))) { lnum++; // written the line, count it no_eol = true; @@ -3685,11 +3696,12 @@ nofail: msg_puts_attr(_("don't quit the editor until the file is successfully written!"), attr | MSG_HIST); - /* Update the timestamp to avoid an "overwrite changed file" - * prompt when writing again. */ + // Update the timestamp to avoid an "overwrite changed file" + // prompt when writing again. if (os_fileinfo((char *)fname, &file_info_old)) { buf_store_file_info(buf, &file_info_old); buf->b_mtime_read = buf->b_mtime; + buf->b_mtime_read_ns = buf->b_mtime_ns; } } } @@ -3784,7 +3796,7 @@ static int set_rw_fname(char_u *fname, char_u *sfname) // Do filetype detection now if 'filetype' is empty. if (*curbuf->b_p_ft == NUL) { - if (au_has_group((char_u *)"filetypedetect")) { + if (augroup_exists("filetypedetect")) { (void)do_doautocmd((char_u *)"filetypedetect BufRead", false, NULL); } do_modelines(0); @@ -3853,7 +3865,7 @@ void msg_add_lines(int insert_space, long lnum, off_T nchars) *p++ = ' '; } if (shortmess(SHM_LINES)) { - vim_snprintf((char *)p, IOSIZE - (p - IObuff), "%" PRId64 "L, %" PRId64 "C", + vim_snprintf((char *)p, IOSIZE - (p - IObuff), "%" PRId64 "L, %" PRId64 "B", (int64_t)lnum, (int64_t)nchars); } else { vim_snprintf((char *)p, IOSIZE - (p - IObuff), @@ -3861,7 +3873,7 @@ void msg_add_lines(int insert_space, long lnum, off_T nchars) (int64_t)lnum); p += STRLEN(p); vim_snprintf((char *)p, IOSIZE - (p - IObuff), - NGETTEXT("%" PRId64 " character", "%" PRId64 " characters", nchars), + NGETTEXT("%" PRId64 " byte", "%" PRId64 " bytes", nchars), (int64_t)nchars); } } @@ -3883,8 +3895,7 @@ static void msg_add_eol(void) static int check_mtime(buf_T *buf, FileInfo *file_info) { if (buf->b_mtime_read != 0 - && time_differs(file_info->stat.st_mtim.tv_sec, - buf->b_mtime_read)) { + && time_differs(file_info, buf->b_mtime_read, buf->b_mtime_read_ns)) { msg_scroll = true; // Don't overwrite messages here. msg_silent = 0; // Must give this prompt. // Don't use emsg() here, don't want to flush the buffers. @@ -3898,19 +3909,17 @@ static int check_mtime(buf_T *buf, FileInfo *file_info) return OK; } -/// Return true if the times differ -/// -/// @param t1 first time -/// @param t2 second time -static bool time_differs(long t1, long t2) FUNC_ATTR_CONST +static bool time_differs(const FileInfo *file_info, long mtime, long mtime_ns) FUNC_ATTR_CONST { + return (long)file_info->stat.st_mtim.tv_nsec != mtime_ns #if defined(__linux__) || defined(MSWIN) - // On a FAT filesystem, esp. under Linux, there are only 5 bits to store - // the seconds. Since the roundoff is done when flushing the inode, the - // time may change unexpectedly by one second!!! - return t1 - t2 > 1 || t2 - t1 > 1; + // On a FAT filesystem, esp. under Linux, there are only 5 bits to store + // the seconds. Since the roundoff is done when flushing the inode, the + // time may change unexpectedly by one second!!! + || (long)file_info->stat.st_mtim.tv_sec - mtime > 1 + || mtime - (long)file_info->stat.st_mtim.tv_sec > 1; #else - return t1 != t2; + || (long)file_info->stat.st_mtim.tv_sec != mtime; #endif } @@ -4890,13 +4899,11 @@ static int move_lines(buf_T *frombuf, buf_T *tobuf) return retval; } -/* - * Check if buffer "buf" has been changed. - * Also check if the file for a new buffer unexpectedly appeared. - * return 1 if a changed buffer was found. - * return 2 if a message has been displayed. - * return 0 otherwise. - */ +/// Check if buffer "buf" has been changed. +/// Also check if the file for a new buffer unexpectedly appeared. +/// return 1 if a changed buffer was found. +/// return 2 if a message has been displayed. +/// return 0 otherwise. int buf_check_timestamp(buf_T *buf) FUNC_ATTR_NONNULL_ALL { @@ -4905,7 +4912,11 @@ int buf_check_timestamp(buf_T *buf) char *mesg = NULL; char *mesg2 = ""; bool helpmesg = false; - bool reload = false; + enum { + RELOAD_NONE, + RELOAD_NORMAL, + RELOAD_DETECT + } reload = RELOAD_NONE; bool can_reload = false; uint64_t orig_size = buf->b_orig_size; int orig_mode = buf->b_orig_mode; @@ -4933,7 +4944,7 @@ int buf_check_timestamp(buf_T *buf) if (!(buf->b_flags & BF_NOTEDITED) && buf->b_mtime != 0 && (!(file_info_ok = os_fileinfo((char *)buf->b_ffname, &file_info)) - || time_differs(file_info.stat.st_mtim.tv_sec, buf->b_mtime) + || time_differs(&file_info, buf->b_mtime, buf->b_mtime_ns) || (int)file_info.stat.st_mode != buf->b_orig_mode)) { const long prev_b_mtime = buf->b_mtime; @@ -4958,7 +4969,7 @@ int buf_check_timestamp(buf_T *buf) // If 'autoread' is set, the buffer has no changes and the file still // exists, reload the buffer. Use the buffer-local option value if it // was set, the global option value otherwise. - reload = true; + reload = RELOAD_NORMAL; } else { if (!file_info_ok) { reason = "deleted"; @@ -4989,7 +5000,9 @@ int buf_check_timestamp(buf_T *buf) } s = get_vim_var_str(VV_FCS_CHOICE); if (STRCMP(s, "reload") == 0 && *reason != 'd') { - reload = true; + reload = RELOAD_NORMAL; + } else if (STRCMP(s, "edit") == 0) { + reload = RELOAD_DETECT; } else if (STRCMP(s, "ask") == 0) { n = false; } else { @@ -5024,6 +5037,7 @@ int buf_check_timestamp(buf_T *buf) // Only timestamp changed, store it to avoid a warning // in check_mtime() later. buf->b_mtime_read = buf->b_mtime; + buf->b_mtime_read_ns = buf->b_mtime_ns; } } } @@ -5052,9 +5066,15 @@ int buf_check_timestamp(buf_T *buf) xstrlcat(tbuf, "\n", tbuf_len - 1); xstrlcat(tbuf, mesg2, tbuf_len - 1); } - if (do_dialog(VIM_WARNING, (char_u *)_("Warning"), (char_u *)tbuf, - (char_u *)_("&OK\n&Load File"), 1, NULL, true) == 2) { - reload = true; + switch (do_dialog(VIM_WARNING, (char_u *)_("Warning"), (char_u *)tbuf, + (char_u *)_("&OK\n&Load File\nLoad File &and Options"), + 1, NULL, true)) { + case 2: + reload = RELOAD_NORMAL; + break; + case 3: + reload = RELOAD_DETECT; + break; } } else if (State > NORMAL_BUSY || (State & CMDLINE) || already_warned) { if (*mesg2 != NUL) { @@ -5088,9 +5108,9 @@ int buf_check_timestamp(buf_T *buf) xfree(tbuf); } - if (reload) { + if (reload != RELOAD_NONE) { // Reload the buffer. - buf_reload(buf, orig_mode); + buf_reload(buf, orig_mode, reload == RELOAD_DETECT); if (buf->b_p_udf && buf->b_ffname != NULL) { char_u hash[UNDO_HASH_SIZE]; @@ -5108,13 +5128,11 @@ int buf_check_timestamp(buf_T *buf) return retval; } -/* - * Reload a buffer that is already loaded. - * Used when the file was changed outside of Vim. - * "orig_mode" is buf->b_orig_mode before the need for reloading was detected. - * buf->b_orig_mode may have been reset already. - */ -void buf_reload(buf_T *buf, int orig_mode) +/// Reload a buffer that is already loaded. +/// Used when the file was changed outside of Vim. +/// "orig_mode" is buf->b_orig_mode before the need for reloading was detected. +/// buf->b_orig_mode may have been reset already. +void buf_reload(buf_T *buf, int orig_mode, bool reload_options) { exarg_T ea; pos_T old_cursor; @@ -5129,11 +5147,15 @@ void buf_reload(buf_T *buf, int orig_mode) // set curwin/curbuf for "buf" and save some things aucmd_prepbuf(&aco, buf); - // We only want to read the text from the file, not reset the syntax - // highlighting, clear marks, diff status, etc. Force the fileformat and - // encoding to be the same. + // Unless reload_options is set, we only want to read the text from the + // file, not reset the syntax highlighting, clear marks, diff status, etc. + // Force the fileformat and encoding to be the same. + if (reload_options) { + memset(&ea, 0, sizeof(ea)); + } else { + prep_exarg(&ea, buf); + } - prep_exarg(&ea, buf); old_cursor = curwin->w_cursor; old_topline = curwin->w_topline; @@ -5252,6 +5274,7 @@ void buf_store_file_info(buf_T *buf, FileInfo *file_info) FUNC_ATTR_NONNULL_ALL { buf->b_mtime = file_info->stat.st_mtim.tv_sec; + buf->b_mtime_ns = file_info->stat.st_mtim.tv_nsec; buf->b_orig_size = os_fileinfo_size(file_info); buf->b_orig_mode = (int)file_info->stat.st_mode; } |