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-rw-r--r--src/nvim/buffer.c287
1 files changed, 194 insertions, 93 deletions
diff --git a/src/nvim/buffer.c b/src/nvim/buffer.c
index b5ca6543c5..0cd6f628b5 100644
--- a/src/nvim/buffer.c
+++ b/src/nvim/buffer.c
@@ -64,7 +64,6 @@
#include "nvim/spell.h"
#include "nvim/strings.h"
#include "nvim/syntax.h"
-#include "nvim/terminal.h"
#include "nvim/ui.h"
#include "nvim/undo.h"
#include "nvim/version.h"
@@ -91,6 +90,57 @@ static char *e_auabort = N_("E855: Autocommands caused command to abort");
// Number of times free_buffer() was called.
static int buf_free_count = 0;
+// Read data from buffer for retrying.
+static int
+read_buffer(
+ int read_stdin, // read file from stdin, otherwise fifo
+ exarg_T *eap, // for forced 'ff' and 'fenc' or NULL
+ int flags) // extra flags for readfile()
+{
+ int retval = OK;
+ linenr_T line_count;
+
+ //
+ // Read from the buffer which the text is already filled in and append at
+ // the end. This makes it possible to retry when 'fileformat' or
+ // 'fileencoding' was guessed wrong.
+ //
+ line_count = curbuf->b_ml.ml_line_count;
+ retval = readfile(
+ read_stdin ? NULL : curbuf->b_ffname,
+ read_stdin ? NULL : curbuf->b_fname,
+ (linenr_T)line_count, (linenr_T)0, (linenr_T)MAXLNUM, eap,
+ flags | READ_BUFFER);
+ if (retval == OK) {
+ // Delete the binary lines.
+ while (--line_count >= 0) {
+ ml_delete((linenr_T)1, false);
+ }
+ } else {
+ // Delete the converted lines.
+ while (curbuf->b_ml.ml_line_count > line_count) {
+ ml_delete(line_count, false);
+ }
+ }
+ // Put the cursor on the first line.
+ curwin->w_cursor.lnum = 1;
+ curwin->w_cursor.col = 0;
+
+ if (read_stdin) {
+ // 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);
+ }
+ return retval;
+}
+
/*
* Open current buffer, that is: open the memfile and read the file into
* memory.
@@ -106,6 +156,7 @@ open_buffer (
int retval = OK;
bufref_T old_curbuf;
long old_tw = curbuf->b_p_tw;
+ int read_fifo = false;
/*
* The 'readonly' flag is only set when BF_NEVERLOADED is being reset.
@@ -156,13 +207,45 @@ open_buffer (
if (curbuf->b_ffname != NULL) {
int old_msg_silent = msg_silent;
+#ifdef UNIX
+ int save_bin = curbuf->b_p_bin;
+ int perm;
+
+ perm = os_getperm((const char *)curbuf->b_ffname);
+ if (perm >= 0 && (0
+# ifdef S_ISFIFO
+ || S_ISFIFO(perm)
+# endif
+# ifdef S_ISSOCK
+ || S_ISSOCK(perm)
+# endif
+# ifdef OPEN_CHR_FILES
+ || (S_ISCHR(perm)
+ && is_dev_fd_file(curbuf->b_ffname))
+# endif
+ )
+ ) {
+ read_fifo = true;
+ }
+ if (read_fifo) {
+ curbuf->b_p_bin = true;
+ }
+#endif
if (shortmess(SHM_FILEINFO)) {
msg_silent = 1;
}
retval = readfile(curbuf->b_ffname, curbuf->b_fname,
(linenr_T)0, (linenr_T)0, (linenr_T)MAXLNUM, eap,
- flags | READ_NEW);
+ flags | READ_NEW | (read_fifo ? READ_FIFO : 0));
+#ifdef UNIX
+ if (read_fifo) {
+ curbuf->b_p_bin = save_bin;
+ if (retval == OK) {
+ retval = read_buffer(false, eap, flags);
+ }
+ }
+#endif
msg_silent = old_msg_silent;
// Help buffer is filtered.
@@ -171,7 +254,6 @@ open_buffer (
}
} else if (read_stdin) {
int save_bin = curbuf->b_p_bin;
- linenr_T line_count;
/*
* First read the text in binary mode into the buffer.
@@ -185,41 +267,13 @@ open_buffer (
flags | (READ_NEW + READ_STDIN));
curbuf->b_p_bin = save_bin;
if (retval == OK) {
- line_count = curbuf->b_ml.ml_line_count;
- retval = readfile(NULL, NULL, (linenr_T)line_count,
- (linenr_T)0, (linenr_T)MAXLNUM, eap,
- flags | READ_BUFFER);
- if (retval == OK) {
- /* Delete the binary lines. */
- while (--line_count >= 0)
- ml_delete((linenr_T)1, FALSE);
- } else {
- /* Delete the converted lines. */
- while (curbuf->b_ml.ml_line_count > line_count)
- ml_delete(line_count, FALSE);
- }
- /* Put the cursor on the first line. */
- 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()) {
- changed();
- } else if (retval == OK) {
- unchanged(curbuf, false);
- }
-
- if (retval == OK) {
- apply_autocmds_retval(EVENT_STDINREADPOST, NULL, NULL, false,
- curbuf, &retval);
- }
+ retval = read_buffer(true, eap, flags);
}
}
/* if first time loading this buffer, init b_chartab[] */
if (curbuf->b_flags & BF_NEVERLOADED) {
- (void)buf_init_chartab(curbuf, FALSE);
+ (void)buf_init_chartab(curbuf, false);
parse_cino(curbuf);
}
@@ -234,7 +288,7 @@ open_buffer (
|| modified_was_set // ":set modified" used in autocmd
|| (aborting() && vim_strchr(p_cpo, CPO_INTMOD) != NULL)) {
changed();
- } else if (retval == OK && !read_stdin) {
+ } else if (retval != FAIL && !read_stdin && !read_fifo) {
unchanged(curbuf, false);
}
save_file_ff(curbuf); // keep this fileformat
@@ -416,8 +470,8 @@ void close_buffer(win_T *win, buf_T *buf, int action, int abort_if_last)
return;
}
- /* When the buffer becomes hidden, but is not unloaded, trigger
- * BufHidden */
+ // When the buffer becomes hidden, but is not unloaded, trigger
+ // BufHidden
if (!unload_buf) {
buf->b_locked++;
if (apply_autocmds(EVENT_BUFHIDDEN, buf->b_fname, buf->b_fname, false,
@@ -1148,8 +1202,8 @@ do_buffer (
*/
while (buf == curbuf
&& !(curwin->w_closing || curwin->w_buffer->b_locked > 0)
- && (firstwin != lastwin || first_tabpage->tp_next != NULL)) {
- if (win_close(curwin, FALSE) == FAIL)
+ && (!ONE_WINDOW || first_tabpage->tp_next != NULL)) {
+ if (win_close(curwin, false) == FAIL)
break;
}
@@ -1333,31 +1387,40 @@ void set_curbuf(buf_T *buf, int action)
/* Don't restart Select mode after switching to another buffer. */
VIsual_reselect = FALSE;
- /* close_windows() or apply_autocmds() may change curbuf */
+ // close_windows() or apply_autocmds() may change curbuf and wipe out "buf"
prevbuf = curbuf;
- bufref_T bufref;
- set_bufref(&bufref, prevbuf);
+ bufref_T newbufref;
+ bufref_T prevbufref;
+ set_bufref(&prevbufref, prevbuf);
+ set_bufref(&newbufref, buf);
+ // Autocommands may delete the curren buffer and/or the buffer we wan to go
+ // to. In those cases don't close the buffer.
if (!apply_autocmds(EVENT_BUFLEAVE, NULL, NULL, false, curbuf)
- || (bufref_valid(&bufref) && !aborting())) {
+ || (bufref_valid(&prevbufref) && bufref_valid(&newbufref)
+ && !aborting())) {
if (prevbuf == curwin->w_buffer) {
reset_synblock(curwin);
}
if (unload) {
close_windows(prevbuf, false);
}
- if (bufref_valid(&bufref) && !aborting()) {
+ if (bufref_valid(&prevbufref) && !aborting()) {
win_T *previouswin = curwin;
- if (prevbuf == curbuf)
- u_sync(FALSE);
- close_buffer(prevbuf == curwin->w_buffer ? curwin : NULL, prevbuf,
- unload ? action : (action == DOBUF_GOTO
- && !P_HID(prevbuf)
- && !bufIsChanged(
- prevbuf)) ? DOBUF_UNLOAD : 0, FALSE);
- if (curwin != previouswin && win_valid(previouswin))
- /* autocommands changed curwin, Grr! */
+ if (prevbuf == curbuf) {
+ u_sync(false);
+ }
+ close_buffer(prevbuf == curwin->w_buffer ? curwin : NULL,
+ prevbuf,
+ unload
+ ? action
+ : (action == DOBUF_GOTO && !buf_hide(prevbuf)
+ && !bufIsChanged(prevbuf)) ? DOBUF_UNLOAD : 0,
+ false);
+ if (curwin != previouswin && win_valid(previouswin)) {
+ // autocommands changed curwin, Grr!
curwin = previouswin;
+ }
}
}
/* An autocommand may have deleted "buf", already entered it (e.g., when
@@ -1409,12 +1472,6 @@ void enter_buffer(buf_T *buf)
/* mark cursor position as being invalid */
curwin->w_valid = 0;
- if (buf->terminal) {
- terminal_resize(buf->terminal,
- (uint16_t)curwin->w_width,
- (uint16_t)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
@@ -1568,7 +1625,7 @@ buf_T * buflist_new(char_u *ffname, char_u *sfname, linenr_T lnum, int flags)
&& curbuf != NULL
&& curbuf->b_ffname == NULL
&& curbuf->b_nwindows <= 1
- && (curbuf->b_ml.ml_mfp == NULL || bufempty())) {
+ && (curbuf->b_ml.ml_mfp == NULL || BUFEMPTY())) {
buf = curbuf;
/* It's like this buffer is deleted. Watch out for autocommands that
* change curbuf! If that happens, allocate a new buffer anyway. */
@@ -1727,6 +1784,7 @@ void free_buf_options(buf_T *buf, int free_p_ff)
clear_string_option(&buf->b_p_flp);
clear_string_option(&buf->b_p_isk);
clear_string_option(&buf->b_p_keymap);
+ keymap_ga_clear(&buf->b_kmap_ga);
ga_clear(&buf->b_kmap_ga);
clear_string_option(&buf->b_p_com);
clear_string_option(&buf->b_p_cms);
@@ -1760,6 +1818,7 @@ void free_buf_options(buf_T *buf, int free_p_ff)
buf->b_p_ul = NO_LOCAL_UNDOLEVEL;
clear_string_option(&buf->b_p_lw);
clear_string_option(&buf->b_p_bkc);
+ clear_string_option(&buf->b_p_menc);
}
@@ -1822,7 +1881,7 @@ int buflist_getfile(int n, linenr_T lnum, int options, int forceit)
// If 'switchbuf' contains "split", "vsplit" or "newtab" and the
// current buffer isn't empty: open new tab or window
if (wp == NULL && (swb_flags & (SWB_VSPLIT | SWB_SPLIT | SWB_NEWTAB))
- && !bufempty()) {
+ && !BUFEMPTY()) {
if (swb_flags & SWB_NEWTAB) {
tabpage_new();
} else if (win_split(0, (swb_flags & SWB_VSPLIT) ? WSP_VERT : 0)
@@ -2624,7 +2683,7 @@ void buflist_altfpos(win_T *win)
}
/// Check that "ffname" is not the same file as current file.
-/// Fname must have a full path (expanded by path_get_absolute_path()).
+/// Fname must have a full path (expanded by path_to_absolute()).
///
/// @param ffname full path name to check
bool otherfile(char_u *ffname)
@@ -2634,7 +2693,7 @@ bool otherfile(char_u *ffname)
}
/// Check that "ffname" is not the same file as the file loaded in "buf".
-/// Fname must have a full path (expanded by path_get_absolute_path()).
+/// Fname must have a full path (expanded by path_to_absolute()).
///
/// @param buf buffer to check
/// @param ffname full path name to check
@@ -3014,8 +3073,8 @@ static bool ti_change(char_u *str, char_u **last)
/// Set current window title
void resettitle(void)
{
- ui_call_set_title(cstr_as_string((char *)lasttitle));
ui_call_set_icon(cstr_as_string((char *)lasticon));
+ ui_call_set_title(cstr_as_string((char *)lasttitle));
ui_flush();
}
@@ -4358,12 +4417,12 @@ do_arg_all (
}
wp->w_arg_idx = i;
- if (i == opened_len && !keep_tabs) { /* close this window */
- if (P_HID(buf) || forceit || buf->b_nwindows > 1
+ if (i == opened_len && !keep_tabs) { // close this window
+ if (buf_hide(buf) || forceit || buf->b_nwindows > 1
|| !bufIsChanged(buf)) {
/* If the buffer was changed, and we would like to hide it,
* try autowriting. */
- if (!P_HID(buf) && buf->b_nwindows <= 1 && bufIsChanged(buf)) {
+ if (!buf_hide(buf) && buf->b_nwindows <= 1 && bufIsChanged(buf)) {
bufref_T bufref;
set_bufref(&bufref, buf);
(void)autowrite(buf, false);
@@ -4373,15 +4432,17 @@ do_arg_all (
continue;
}
}
- /* don't close last window */
- if (firstwin == lastwin
- && (first_tabpage->tp_next == NULL || !had_tab))
- use_firstwin = TRUE;
- else {
- win_close(wp, !P_HID(buf) && !bufIsChanged(buf));
- /* check if autocommands removed the next window */
- if (!win_valid(wpnext))
- wpnext = firstwin; /* start all over... */
+ // don't close last window
+ if (ONE_WINDOW
+ && (first_tabpage->tp_next == NULL || !had_tab)) {
+ use_firstwin = true;
+ } else {
+ win_close(wp, !buf_hide(buf) && !bufIsChanged(buf));
+ // check if autocommands removed the next window
+ if (!win_valid(wpnext)) {
+ // start all over...
+ wpnext = firstwin;
+ }
}
}
}
@@ -4410,11 +4471,12 @@ do_arg_all (
last_curwin = curwin;
last_curtab = curtab;
win_enter(lastwin, false);
- /* ":drop all" should re-use an empty window to avoid "--remote-tab"
- * leaving an empty tab page when executed locally. */
- if (keep_tabs && bufempty() && curbuf->b_nwindows == 1
- && curbuf->b_ffname == NULL && !curbuf->b_changed)
- use_firstwin = TRUE;
+ // ":drop all" should re-use an empty window to avoid "--remote-tab"
+ // leaving an empty tab page when executed locally.
+ if (keep_tabs && BUFEMPTY() && curbuf->b_nwindows == 1
+ && curbuf->b_ffname == NULL && !curbuf->b_changed) {
+ use_firstwin = true;
+ }
for (i = 0; i < count && i < opened_len && !got_int; ++i) {
if (alist == &global_alist && i == global_alist.al_ga.ga_len - 1)
@@ -4453,14 +4515,15 @@ do_arg_all (
new_curwin = curwin;
new_curtab = curtab;
}
- (void)do_ecmd(0, alist_name(&AARGLIST(alist)[i]), NULL, NULL,
- ECMD_ONE,
- ((P_HID(curwin->w_buffer)
- || bufIsChanged(curwin->w_buffer)) ? ECMD_HIDE : 0)
- + ECMD_OLDBUF, curwin);
- if (use_firstwin)
- ++autocmd_no_leave;
- use_firstwin = FALSE;
+ (void)do_ecmd(0, alist_name(&AARGLIST(alist)[i]), NULL, NULL, ECMD_ONE,
+ ((buf_hide(curwin->w_buffer)
+ || bufIsChanged(curwin->w_buffer))
+ ? ECMD_HIDE : 0) + ECMD_OLDBUF,
+ curwin);
+ if (use_firstwin) {
+ autocmd_no_leave++;
+ }
+ use_firstwin = false;
}
os_breakcheck();
@@ -4538,7 +4601,7 @@ void ex_buffer_all(exarg_T *eap)
- tabline_height()
: wp->w_width != Columns)
|| (had_tab > 0 && wp != firstwin))
- && firstwin != lastwin
+ && !ONE_WINDOW
&& !(wp->w_closing || wp->w_buffer->b_locked > 0)
) {
win_close(wp, FALSE);
@@ -4647,14 +4710,14 @@ void ex_buffer_all(exarg_T *eap)
* Close superfluous windows.
*/
for (wp = lastwin; open_wins > count; ) {
- r = (P_HID(wp->w_buffer) || !bufIsChanged(wp->w_buffer)
- || autowrite(wp->w_buffer, FALSE) == OK);
+ r = (buf_hide(wp->w_buffer) || !bufIsChanged(wp->w_buffer)
+ || autowrite(wp->w_buffer, false) == OK);
if (!win_valid(wp)) {
/* BufWrite Autocommands made the window invalid, start over */
wp = lastwin;
} else if (r) {
- win_close(wp, !P_HID(wp->w_buffer));
- --open_wins;
+ win_close(wp, !buf_hide(wp->w_buffer));
+ open_wins--;
wp = lastwin;
} else {
wp = wp->w_prev;
@@ -5221,6 +5284,44 @@ int bufhl_add_hl(buf_T *buf,
return src_id;
}
+/// Add highlighting to a buffer, bounded by two cursor positions,
+/// with an offset.
+///
+/// @param buf Buffer to add highlights to
+/// @param src_id src_id to use or 0 to use a new src_id group,
+/// or -1 for ungrouped highlight.
+/// @param hl_id Highlight group id
+/// @param pos_start Cursor position to start the hightlighting at
+/// @param pos_end Cursor position to end the highlighting at
+/// @param offset Move the whole highlighting this many columns to the right
+void bufhl_add_hl_pos_offset(buf_T *buf,
+ int src_id,
+ int hl_id,
+ lpos_T pos_start,
+ lpos_T pos_end,
+ colnr_T offset)
+{
+ colnr_T hl_start = 0;
+ colnr_T hl_end = 0;
+
+ for (linenr_T lnum = pos_start.lnum; lnum <= pos_end.lnum; lnum ++) {
+ if (pos_start.lnum < lnum && lnum < pos_end.lnum) {
+ hl_start = offset;
+ hl_end = MAXCOL;
+ } else if (lnum == pos_start.lnum && lnum < pos_end.lnum) {
+ hl_start = pos_start.col + offset + 1;
+ hl_end = MAXCOL;
+ } else if (pos_start.lnum < lnum && lnum == pos_end.lnum) {
+ hl_start = offset;
+ hl_end = pos_end.col + offset;
+ } else if (pos_start.lnum == lnum && pos_end.lnum == lnum) {
+ hl_start = pos_start.col + offset + 1;
+ hl_end = pos_end.col + offset;
+ }
+ (void)bufhl_add_hl(buf, src_id, hl_id, lnum, hl_start, hl_end);
+ }
+}
+
/// Clear bufhl highlights from a given source group and range of lines.
///
/// @param buf The buffer to remove highlights from