diff options
Diffstat (limited to 'src/nvim/buffer.c')
-rw-r--r-- | src/nvim/buffer.c | 415 |
1 files changed, 262 insertions, 153 deletions
diff --git a/src/nvim/buffer.c b/src/nvim/buffer.c index 72716daf0e..26dbbe8bb5 100644 --- a/src/nvim/buffer.c +++ b/src/nvim/buffer.c @@ -36,6 +36,7 @@ #include "nvim/ex_eval.h" #include "nvim/ex_getln.h" #include "nvim/fileio.h" +#include "nvim/file_search.h" #include "nvim/fold.h" #include "nvim/getchar.h" #include "nvim/hashtab.h" @@ -48,7 +49,6 @@ #include "nvim/memory.h" #include "nvim/message.h" #include "nvim/misc1.h" -#include "nvim/misc2.h" #include "nvim/garray.h" #include "nvim/move.h" #include "nvim/option.h" @@ -189,14 +189,18 @@ open_buffer ( curwin->w_cursor.lnum = 1; curwin->w_cursor.col = 0; - /* Set or reset 'modified' before executing autocommands, so that - * it can be changed there. */ - if (!readonlymode && !bufempty()) + // Set or reset 'modified' before executing autocommands, so that + // it can be changed there. + if (!readonlymode && !bufempty()) { changed(); - else if (retval != FAIL) - unchanged(curbuf, FALSE); - apply_autocmds_retval(EVENT_STDINREADPOST, NULL, NULL, FALSE, - curbuf, &retval); + } else if (retval == OK) { + unchanged(curbuf, false); + } + + if (retval == OK) { + apply_autocmds_retval(EVENT_STDINREADPOST, NULL, NULL, false, + curbuf, &retval); + } } } @@ -206,22 +210,21 @@ open_buffer ( parse_cino(curbuf); } - /* - * Set/reset the Changed flag first, autocmds may change the buffer. - * Apply the automatic commands, before processing the modelines. - * So the modelines have priority over auto commands. - */ - /* When reading stdin, the buffer contents always needs writing, so set - * the changed flag. Unless in readonly mode: "ls | nvim -R -". - * When interrupted and 'cpoptions' contains 'i' set changed flag. */ + // Set/reset the Changed flag first, autocmds may change the buffer. + // Apply the automatic commands, before processing the modelines. + // So the modelines have priority over auto commands. + + // When reading stdin, the buffer contents always needs writing, so set + // the changed flag. Unless in readonly mode: "ls | nvim -R -". + // When interrupted and 'cpoptions' contains 'i' set changed flag. if ((got_int && vim_strchr(p_cpo, CPO_INTMOD) != NULL) - || modified_was_set /* ":set modified" used in autocmd */ - || (aborting() && vim_strchr(p_cpo, CPO_INTMOD) != NULL) - ) + || modified_was_set // ":set modified" used in autocmd + || (aborting() && vim_strchr(p_cpo, CPO_INTMOD) != NULL)) { changed(); - else if (retval != FAIL && !read_stdin) - unchanged(curbuf, FALSE); - save_file_ff(curbuf); /* keep this fileformat */ + } else if (retval == OK && !read_stdin) { + unchanged(curbuf, false); + } + save_file_ff(curbuf); // keep this fileformat /* require "!" to overwrite the file, because it wasn't read completely */ if (aborting()) @@ -268,6 +271,9 @@ open_buffer ( bool buf_valid(buf_T *buf) FUNC_ATTR_PURE FUNC_ATTR_WARN_UNUSED_RESULT { + if (buf == NULL) { + return false; + } FOR_ALL_BUFFERS(bp) { if (bp == buf) { return true; @@ -276,30 +282,46 @@ bool buf_valid(buf_T *buf) return false; } -/* - * Close the link to a buffer. - * "action" is used when there is no longer a window for the buffer. - * It can be: - * 0 buffer becomes hidden - * DOBUF_UNLOAD buffer is unloaded - * DOBUF_DELETE buffer is unloaded and removed from buffer list - * DOBUF_WIPE buffer is unloaded and really deleted - * When doing all but the first one on the current buffer, the caller should - * get a new buffer very soon! - * - * The 'bufhidden' option can force freeing and deleting. - * - * When "abort_if_last" is TRUE then do not close the buffer if autocommands - * cause there to be only one window with this buffer. e.g. when ":quit" is - * supposed to close the window but autocommands close all other windows. - */ -void -close_buffer ( - win_T *win, /* if not NULL, set b_last_cursor */ - buf_T *buf, - int action, - int abort_if_last -) +// Map used to quickly lookup a buffer by its number. +static PMap(handle_T) *buf_map = NULL; + +static void buf_hashtab_add(buf_T *buf) + FUNC_ATTR_NONNULL_ALL +{ + if (pmap_has(handle_T)(buf_map, buf->handle)) { + EMSG(_("E931: Buffer cannot be registered")); + } else { + pmap_put(handle_T)(buf_map, buf->handle, buf); + } +} + +static void buf_hashtab_remove(buf_T *buf) + FUNC_ATTR_NONNULL_ALL +{ + if (pmap_has(handle_T)(buf_map, buf->handle)) { + pmap_del(handle_T)(buf_map, buf->handle); + } +} + +/// Close the link to a buffer. +/// +/// @param win If not NULL, set b_last_cursor. +/// @param buf +/// @param action Used when there is no longer a window for the buffer. +/// Possible values: +/// 0 buffer becomes hidden +/// DOBUF_UNLOAD buffer is unloaded +/// DOBUF_DELETE buffer is unloaded and removed from buffer list +/// DOBUF_WIPE buffer is unloaded and really deleted +/// When doing all but the first one on the current buffer, the +/// caller should get a new buffer very soon! +/// The 'bufhidden' option can force freeing and deleting. +/// @param abort_if_last +/// If TRUE, do not close the buffer if autocommands cause +/// there to be only one window with this buffer. e.g. when +/// ":quit" is supposed to close the window but autocommands +/// close all other windows. +void close_buffer(win_T *win, buf_T *buf, int action, int abort_if_last) { bool unload_buf = (action != 0); bool del_buf = (action == DOBUF_DEL || action == DOBUF_WIPE); @@ -328,13 +350,14 @@ close_buffer ( wipe_buf = true; } - if (win_valid(win)) { - /* Set b_last_cursor when closing the last window for the buffer. - * Remember the last cursor position and window options of the buffer. - * This used to be only for the current window, but then options like - * 'foldmethod' may be lost with a ":only" command. */ - if (buf->b_nwindows == 1) + if (win_valid_any_tab(win)) { + // Set b_last_cursor when closing the last window for the buffer. + // Remember the last cursor position and window options of the buffer. + // This used to be only for the current window, but then options like + // 'foldmethod' may be lost with a ":only" command. + if (buf->b_nwindows == 1) { set_last_cursor(win); + } buflist_setfpos(buf, win, win->w_cursor.lnum == 1 ? 0 : win->w_cursor.lnum, win->w_cursor.col, TRUE); @@ -407,9 +430,6 @@ close_buffer ( buf->b_nwindows = nwindows; buf_freeall(buf, (del_buf ? BFA_DEL : 0) + (wipe_buf ? BFA_WIPE : 0)); - if (win_valid(win) && win->w_buffer == buf) { - win->w_buffer = NULL; // make sure we don't use the buffer now - } /* Autocommands may have deleted the buffer. */ if (!buf_valid(buf)) @@ -417,11 +437,6 @@ close_buffer ( if (aborting()) /* autocmds may abort script processing */ return; - /* Autocommands may have opened or closed windows for this buffer. - * Decrement the count for the close we do here. */ - if (buf->b_nwindows > 0) - --buf->b_nwindows; - /* * It's possible that autocommands change curbuf to the one being deleted. * This might cause the previous curbuf to be deleted unexpectedly. But @@ -432,6 +447,16 @@ close_buffer ( if (buf == curbuf && !is_curbuf) return; + if (win_valid_any_tab(win) && win->w_buffer == buf) { + win->w_buffer = NULL; // make sure we don't use the buffer now + } + + // Autocommands may have opened or closed windows for this buffer. + // Decrement the count for the close we do here. + if (buf->b_nwindows > 0) { + buf->b_nwindows--; + } + /* Change directories when the 'acd' option is set. */ do_autochdir(); @@ -483,21 +508,39 @@ void buf_clear_file(buf_T *buf) buf->b_ml.ml_flags = ML_EMPTY; /* empty buffer */ } -/* - * buf_freeall() - free all things allocated for a buffer that are related to - * the file. flags: - * BFA_DEL buffer is going to be deleted - * BFA_WIPE buffer is going to be wiped out - * BFA_KEEP_UNDO do not free undo information - */ +/// Clears the current buffer contents. +void buf_clear(void) +{ + linenr_T line_count = curbuf->b_ml.ml_line_count; + while (!(curbuf->b_ml.ml_flags & ML_EMPTY)) { + ml_delete((linenr_T)1, false); + } + deleted_lines_mark(1, line_count); // prepare for display + ml_close(curbuf, true); // free memline_T + buf_clear_file(curbuf); +} + +/// buf_freeall() - free all things allocated for a buffer that are related to +/// the file. Careful: get here with "curwin" NULL when exiting. +/// +/// @param flags BFA_DEL buffer is going to be deleted +/// BFA_WIPE buffer is going to be wiped out +/// BFA_KEEP_UNDO do not free undo information void buf_freeall(buf_T *buf, int flags) { bool is_curbuf = (buf == curbuf); + int is_curwin = (curwin != NULL && curwin->w_buffer == buf); + win_T *the_curwin = curwin; + tabpage_T *the_curtab = curtab; + // Make sure the buffer isn't closed by autocommands. buf->b_closing = true; - apply_autocmds(EVENT_BUFUNLOAD, buf->b_fname, buf->b_fname, FALSE, buf); - if (!buf_valid(buf)) /* autocommands may delete the buffer */ - return; + if (buf->b_ml.ml_mfp != NULL) { + apply_autocmds(EVENT_BUFUNLOAD, buf->b_fname, buf->b_fname, false, buf); + if (!buf_valid(buf)) { // autocommands may delete the buffer + return; + } + } if ((flags & BFA_DEL) && buf->b_p_bl) { apply_autocmds(EVENT_BUFDELETE, buf->b_fname, buf->b_fname, FALSE, buf); if (!buf_valid(buf)) /* autocommands may delete the buffer */ @@ -510,8 +553,18 @@ void buf_freeall(buf_T *buf, int flags) return; } buf->b_closing = false; - if (aborting()) /* autocmds may abort script processing */ + + // If the buffer was in curwin and the window has changed, go back to that + // window, if it still exists. This avoids that ":edit x" triggering a + // "tabnext" BufUnload autocmd leaves a window behind without a buffer. + if (is_curwin && curwin != the_curwin && win_valid_any_tab(the_curwin)) { + block_autocmds(); + goto_tabpage_win(the_curtab, the_curwin); + unblock_autocmds(); + } + if (aborting()) { // autocmds may abort script processing return; + } /* * It's possible that autocommands change curbuf to the one being deleted. @@ -553,6 +606,7 @@ static void free_buffer(buf_T *buf) free_buffer_stuff(buf, TRUE); unref_var_dict(buf->b_vars); aubuflocal_remove(buf); + buf_hashtab_remove(buf); dict_unref(buf->additional_data); clear_fmark(&buf->b_last_cursor); clear_fmark(&buf->b_last_insert); @@ -662,14 +716,15 @@ void handle_swap_exists(buf_T *old_curbuf) * aborting() returns FALSE when closing a buffer. */ enter_cleanup(&cs); - /* User selected Quit at ATTENTION prompt. Go back to previous - * buffer. If that buffer is gone or the same as the current one, - * open a new, empty buffer. */ - swap_exists_action = SEA_NONE; /* don't want it again */ - swap_exists_did_quit = TRUE; - close_buffer(curwin, curbuf, DOBUF_UNLOAD, FALSE); - if (!buf_valid(old_curbuf) || old_curbuf == curbuf) + // User selected Quit at ATTENTION prompt. Go back to previous + // buffer. If that buffer is gone or the same as the current one, + // open a new, empty buffer. + swap_exists_action = SEA_NONE; // don't want it again + swap_exists_did_quit = true; + close_buffer(curwin, curbuf, DOBUF_UNLOAD, false); + if (!buf_valid(old_curbuf) || old_curbuf == curbuf) { old_curbuf = buflist_new(NULL, NULL, 1L, BLN_CURBUF | BLN_LISTED); + } if (old_curbuf != NULL) { enter_buffer(old_curbuf); if (old_tw != curbuf->b_p_tw) @@ -1249,6 +1304,10 @@ void enter_buffer(buf_T *buf) /* mark cursor position as being invalid */ curwin->w_valid = 0; + if (buf->terminal) { + terminal_resize(buf->terminal, curwin->w_width, curwin->w_height); + } + /* Make sure the buffer is loaded. */ if (curbuf->b_ml.ml_mfp == NULL) { /* need to load the file */ /* If there is no filetype, allow for detecting one. Esp. useful for @@ -1306,32 +1365,36 @@ void do_autochdir(void) } } -/* - * functions for dealing with the buffer list - */ +// +// functions for dealing with the buffer list +// -/* - * Add a file name to the buffer list. Return a pointer to the buffer. - * If the same file name already exists return a pointer to that buffer. - * If it does not exist, or if fname == NULL, a new entry is created. - * If (flags & BLN_CURBUF) is TRUE, may use current buffer. - * If (flags & BLN_LISTED) is TRUE, add new buffer to buffer list. - * If (flags & BLN_DUMMY) is TRUE, don't count it as a real buffer. - * This is the ONLY way to create a new buffer. - */ -static int top_file_num = 1; /* highest file number */ - -buf_T * -buflist_new ( - char_u *ffname, /* full path of fname or relative */ - char_u *sfname, /* short fname or NULL */ - linenr_T lnum, /* preferred cursor line */ - int flags /* BLN_ defines */ -) +static int top_file_num = 1; ///< highest file number + +/// Add a file name to the buffer list. +/// If the same file name already exists return a pointer to that buffer. +/// If it does not exist, or if fname == NULL, a new entry is created. +/// If (flags & BLN_CURBUF) is TRUE, may use current buffer. +/// If (flags & BLN_LISTED) is TRUE, add new buffer to buffer list. +/// If (flags & BLN_DUMMY) is TRUE, don't count it as a real buffer. +/// If (flags & BLN_NEW) is TRUE, don't use an existing buffer. +/// This is the ONLY way to create a new buffer. +/// +/// @param ffname full path of fname or relative +/// @param sfname short fname or NULL +/// @param lnum preferred cursor line +/// @param flags BLN_ defines +/// @param bufnr +/// +/// @return pointer to the buffer +buf_T * buflist_new(char_u *ffname, char_u *sfname, linenr_T lnum, int flags) { buf_T *buf; - fname_expand(curbuf, &ffname, &sfname); /* will allocate ffname */ + if (top_file_num == 1) { + buf_map = pmap_new(handle_T)(); + } + fname_expand(curbuf, &ffname, &sfname); // will allocate ffname /* * If file name already exists in the list, update the entry. @@ -1393,8 +1456,7 @@ buflist_new ( } if (buf != curbuf || curbuf == NULL) { buf = xcalloc(1, sizeof(buf_T)); - handle_register_buffer(buf); - /* init b: variables */ + // init b: variables buf->b_vars = dict_alloc(); init_var_dict(buf->b_vars, &buf->b_bufvar, VAR_SCOPE); } @@ -1447,14 +1509,16 @@ buflist_new ( lastbuf = buf; buf->b_fnum = top_file_num++; - if (top_file_num < 0) { /* wrap around (may cause duplicates) */ + handle_register_buffer(buf); + if (top_file_num < 0) { // wrap around (may cause duplicates) EMSG(_("W14: Warning: List of file names overflow")); if (emsg_silent == 0) { ui_flush(); - os_delay(3000L, true); /* make sure it is noticed */ + os_delay(3000L, true); // make sure it is noticed } top_file_num = 1; } + buf_hashtab_add(buf); /* * Always copy the options from the current buffer. @@ -1534,6 +1598,7 @@ void free_buf_options(buf_T *buf, int free_p_ff) clear_string_option(&buf->b_p_cms); clear_string_option(&buf->b_p_nf); clear_string_option(&buf->b_p_syn); + clear_string_option(&buf->b_s.b_syn_isk); clear_string_option(&buf->b_s.b_p_spc); clear_string_option(&buf->b_s.b_p_spf); vim_regfree(buf->b_s.b_cap_prog); @@ -1963,19 +2028,15 @@ static char_u *fname_match(regmatch_T *rmp, char_u *name, bool ignore_case) return match; } -/* - * find file in buffer list by number - */ +/// Find a file in the buffer list by buffer number. buf_T *buflist_findnr(int nr) { if (nr == 0) { nr = curwin->w_alt_fnum; } - FOR_ALL_BUFFERS(buf) { - if (buf->b_fnum == nr) { - return buf; - } + if (pmap_has(handle_T)(buf_map, (handle_T)nr)) { + return pmap_get(handle_T)(buf_map, (handle_T)nr); } return NULL; } @@ -2360,10 +2421,11 @@ buf_T *setaltfname(char_u *ffname, char_u *sfname, linenr_T lnum) { buf_T *buf; - /* Create a buffer. 'buflisted' is not set if it's a new buffer */ + // Create a buffer. 'buflisted' is not set if it's a new buffer buf = buflist_new(ffname, sfname, lnum, 0); - if (buf != NULL && !cmdmod.keepalt) + if (buf != NULL && !cmdmod.keepalt) { curwin->w_alt_fnum = buf->b_fnum; + } return buf; } @@ -2398,8 +2460,9 @@ int buflist_add(char_u *fname, int flags) buf_T *buf; buf = buflist_new(fname, NULL, (linenr_T)0, flags); - if (buf != NULL) + if (buf != NULL) { return buf->b_fnum; + } return 0; } @@ -2848,7 +2911,7 @@ typedef enum { /// is "curwin". /// /// Items are drawn interspersed with the text that surrounds it -/// Specials: %-<wid>(xxx%) => group, %= => middle marker, %< => truncation +/// Specials: %-<wid>(xxx%) => group, %= => separation marker, %< => truncation /// Item: %-<minwid>.<maxwid><itemch> All but <itemch> are optional /// /// If maxwidth is not zero, the string will be filled at any middle marker @@ -2892,7 +2955,7 @@ int build_stl_str_hl( Normal, Empty, Group, - Middle, + Separate, Highlight, TabPage, ClickFunc, @@ -2993,14 +3056,14 @@ int build_stl_str_hl( continue; } - // STL_MIDDLEMARK: Separation place between left and right aligned items. - if (*fmt_p == STL_MIDDLEMARK) { + // STL_SEPARATE: Separation place between left and right aligned items. + if (*fmt_p == STL_SEPARATE) { fmt_p++; // Ignored when we are inside of a grouping if (groupdepth > 0) { continue; } - item[curitem].type = Middle; + item[curitem].type = Separate; item[curitem++].start = out_p; continue; } @@ -3404,7 +3467,7 @@ int build_stl_str_hl( case STL_KEYMAP: fillable = false; - if (get_keymap_str(wp, tmp, TMPLEN)) + if (get_keymap_str(wp, (char_u *)"<%s>", tmp, TMPLEN)) str = tmp; break; case STL_PAGENUM: @@ -3839,27 +3902,53 @@ int build_stl_str_hl( width = maxwidth; // If there is room left in our statusline, and room left in our buffer, - // add characters at the middle marker (if there is one) to + // add characters at the separate marker (if there is one) to // fill up the available space. } else if (width < maxwidth - && STRLEN(out) + maxwidth - width + 1 < outlen) { - for (int item_idx = 0; item_idx < itemcnt; item_idx++) { - if (item[item_idx].type == Middle) { - // Move the statusline to make room for the middle characters - char_u *middle_end = item[item_idx].start + (maxwidth - width); - STRMOVE(middle_end, item[item_idx].start); - - // Fill the middle section with our fill character - for (char_u *s = item[item_idx].start; s < middle_end; s++) - *s = fillchar; + && STRLEN(out) + maxwidth - width + 1 < outlen) { + // Find how many separators there are, which we will use when + // figuring out how many groups there are. + int num_separators = 0; + for (int i = 0; i < itemcnt; i++) { + if (item[i].type == Separate) { + num_separators++; + } + } + + // If we have separated groups, then we deal with it now + if (num_separators) { + // Create an array of the start location for each + // separator mark. + int separator_locations[STL_MAX_ITEM]; + int index = 0; + for (int i = 0; i < itemcnt; i++) { + if (item[i].type == Separate) { + separator_locations[index] = i; + index++; + } + } - // Adjust the offset of any items after the middle - for (item_idx++; item_idx < itemcnt; item_idx++) - item[item_idx].start += maxwidth - width; + int standard_spaces = (maxwidth - width) / num_separators; + int final_spaces = (maxwidth - width) - + standard_spaces * (num_separators - 1); - width = maxwidth; - break; + for (int i = 0; i < num_separators; i++) { + int dislocation = (i == (num_separators - 1)) ? + final_spaces : standard_spaces; + char_u *sep_loc = item[separator_locations[i]].start + dislocation; + STRMOVE(sep_loc, item[separator_locations[i]].start); + for (char_u *s = item[separator_locations[i]].start; s < sep_loc; s++) { + *s = fillchar; + } + + for (int item_idx = separator_locations[i] + 1; + item_idx < itemcnt; + item_idx++) { + item[item_idx].start += dislocation; + } } + + width = maxwidth; } } @@ -3999,8 +4088,8 @@ void fname_expand(buf_T *buf, char_u **ffname, char_u **sfname) if (!buf->b_p_bin) { char_u *rfname; - /* If the file name is a shortcut file, use the file it links to. */ - rfname = mch_resolve_shortcut(*ffname); + // If the file name is a shortcut file, use the file it links to. + rfname = os_resolve_shortcut(*ffname); if (rfname != NULL) { xfree(*ffname); *ffname = rfname; @@ -4090,12 +4179,10 @@ do_arg_all ( wpnext = wp->w_next; buf = wp->w_buffer; if (buf->b_ffname == NULL - || (!keep_tabs && buf->b_nwindows > 1) - || wp->w_width != Columns - ) + || (!keep_tabs && (buf->b_nwindows > 1 || wp->w_width != Columns))) { i = opened_len; - else { - /* check if the buffer in this window is in the arglist */ + } else { + // check if the buffer in this window is in the arglist for (i = 0; i < opened_len; ++i) { if (i < alist->al_ga.ga_len && (AARGLIST(alist)[i].ae_fnum == buf->b_fnum @@ -4483,7 +4570,7 @@ chk_modeline ( char_u *e; char_u *linecopy; /* local copy of any modeline found */ int prev; - int vers; + intmax_t vers; int end; int retval = OK; char_u *save_sourcing_name; @@ -4502,7 +4589,10 @@ chk_modeline ( e = s + 4; else e = s + 3; - vers = getdigits_int(&e); + if (getdigits_safe(&e, &vers) != OK) { + continue; + } + if (*e == ':' && (s[0] != 'V' || STRNCMP(skipwhite(e + 1), "set", 3) == 0) @@ -4510,8 +4600,9 @@ chk_modeline ( || (VIM_VERSION_100 >= vers && isdigit(s[3])) || (VIM_VERSION_100 < vers && s[3] == '<') || (VIM_VERSION_100 > vers && s[3] == '>') - || (VIM_VERSION_100 == vers && s[3] == '='))) + || (VIM_VERSION_100 == vers && s[3] == '='))) { break; + } } } prev = *s; @@ -4950,7 +5041,7 @@ int bufhl_add_hl(buf_T *buf, bufhl_vec_T* lineinfo = map_ref(linenr_T, bufhl_vec_T)(buf->b_bufhl_info, lnum, true); - bufhl_hl_item_T *hlentry = kv_pushp(bufhl_hl_item_T, *lineinfo); + bufhl_hl_item_T *hlentry = kv_pushp(*lineinfo); hlentry->src_id = src_id; hlentry->hl_id = hl_id; hlentry->start = col_start; @@ -5200,12 +5291,30 @@ wipe_buffer ( int aucmd /* When TRUE trigger autocommands. */ ) { - if (buf->b_fnum == top_file_num - 1) - --top_file_num; - - if (!aucmd) /* Don't trigger BufDelete autocommands here. */ + if (!aucmd) { + // Don't trigger BufDelete autocommands here. block_autocmds(); - close_buffer(NULL, buf, DOBUF_WIPE, FALSE); - if (!aucmd) + } + close_buffer(NULL, buf, DOBUF_WIPE, false); + if (!aucmd) { unblock_autocmds(); + } +} + +/// Creates or switches to a scratch buffer. :h special-buffers +/// Scratch buffer is: +/// - buftype=nofile bufhidden=hide noswapfile +/// - Always considered 'nomodified' +/// +/// @param bufnr Buffer to switch to, or 0 to create a new buffer. +/// +/// @see curbufIsChanged() +void buf_open_scratch(handle_T bufnr, char *bufname) +{ + (void)do_ecmd((int)bufnr, NULL, NULL, NULL, ECMD_ONE, ECMD_HIDE, NULL); + (void)setfname(curbuf, (char_u *)bufname, NULL, true); + set_option_value((char_u *)"bh", 0L, (char_u *)"hide", OPT_LOCAL); + set_option_value((char_u *)"bt", 0L, (char_u *)"nofile", OPT_LOCAL); + set_option_value((char_u *)"swf", 0L, NULL, OPT_LOCAL); + RESET_BINDING(curwin); } |