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vim-patch:9.1.0554: :bw leaves jumplist and tagstack data around (#29639)
Problem: :bw leaves jumplist and tagstack data around
(Paul "Joey" Clark)
Solution: Wipe jumplist and tagstack references to the wiped buffer
(LemonBoy)
As documented the :bwipeout command brutally deletes all the references
to the buffer, so let's make it delete all the entries in the jump list
and tag stack referring to the wiped-out buffer.
fixes: vim/vim#8201
closes: vim/vim#15185
4ff3a9b1e3
Co-authored-by: LemonBoy <thatlemon@gmail.com>
This commit is contained in:
parent
545aafbeb8
commit
158ffd646d
@ -1175,11 +1175,12 @@ list of buffers. |unlisted-buffer|
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:bw[ipeout][!] N1 N2 ...
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Like |:bdelete|, but really delete the buffer. Everything
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related to the buffer is lost. All marks in this buffer
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become invalid, option settings are lost, etc. Don't use this
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become invalid, option settings are lost, the jumplist and
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tagstack data will be purged, etc. Don't use this
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unless you know what you are doing. Examples: >
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:.+,$bwipeout " wipe out all buffers after the current
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" one
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:%bwipeout " wipe out all buffers
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:.+,$bwipeout " wipe out all buffers after the current
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" one
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:%bwipeout " wipe out all buffers
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<
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:[N]bun[load][!] *:bun* *:bunload* *E515*
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:bun[load][!] [N]
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@ -699,6 +699,9 @@ bool close_buffer(win_T *win, buf_T *buf, int action, bool abort_if_last, bool i
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if (buf->b_nwindows > 0) {
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return false;
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}
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FOR_ALL_WINDOWS_IN_TAB(wp, curtab) {
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mark_forget_file(wp, buf->b_fnum);
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}
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if (buf->b_sfname != buf->b_ffname) {
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XFREE_CLEAR(buf->b_sfname);
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} else {
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@ -1184,32 +1187,6 @@ static int empty_curbuf(bool close_others, int forceit, int action)
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return retval;
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}
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/// Remove every jump list entry referring to a given buffer.
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/// This function will also adjust the current jump list index.
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void buf_remove_from_jumplist(buf_T *deleted_buf)
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{
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// Remove all jump list entries that match the deleted buffer.
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for (int i = curwin->w_jumplistlen - 1; i >= 0; i--) {
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buf_T *buf = buflist_findnr(curwin->w_jumplist[i].fmark.fnum);
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if (buf == deleted_buf) {
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// Found an entry that we want to delete.
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curwin->w_jumplistlen -= 1;
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// If the current jump list index behind the entry we want to
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// delete, move it back by one.
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if (curwin->w_jumplistidx > i && curwin->w_jumplistidx > 0) {
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curwin->w_jumplistidx -= 1;
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}
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// Actually remove the entry from the jump list.
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for (int d = i; d < curwin->w_jumplistlen; d++) {
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curwin->w_jumplist[d] = curwin->w_jumplist[d + 1];
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}
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}
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}
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}
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/// Implementation of the commands for the buffer list.
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///
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/// action == DOBUF_GOTO go to specified buffer
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@ -1364,6 +1341,8 @@ int do_buffer(int action, int start, int dir, int count, int forceit)
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}
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}
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int buf_fnum = buf->b_fnum;
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// When closing the current buffer stop Visual mode.
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if (buf == curbuf && VIsual_active) {
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end_visual_mode();
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@ -1398,7 +1377,7 @@ int do_buffer(int action, int start, int dir, int count, int forceit)
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if (buf != curbuf) {
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if (jop_flags & JOP_UNLOAD) {
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// Remove the buffer to be deleted from the jump list.
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buf_remove_from_jumplist(buf);
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mark_jumplist_forget_file(curwin, buf_fnum);
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}
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close_windows(buf, false);
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@ -1423,8 +1402,8 @@ int do_buffer(int action, int start, int dir, int count, int forceit)
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buf = au_new_curbuf.br_buf;
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} else if (curwin->w_jumplistlen > 0) {
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if (jop_flags & JOP_UNLOAD) {
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// Remove the current buffer from the jump list.
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buf_remove_from_jumplist(curbuf);
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// Remove the buffer from the jump list.
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mark_jumplist_forget_file(curwin, buf_fnum);
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}
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// It's possible that we removed all jump list entries, in that case we need to try another
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@ -43,6 +43,7 @@
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#include "nvim/pos_defs.h"
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#include "nvim/quickfix.h"
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#include "nvim/strings.h"
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#include "nvim/tag.h"
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#include "nvim/textobject.h"
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#include "nvim/types_defs.h"
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#include "nvim/vim_defs.h"
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@ -165,6 +166,56 @@ int setmark_pos(int c, pos_T *pos, int fnum, fmarkv_T *view_pt)
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return FAIL;
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}
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/// Remove every jump list entry referring to a given buffer.
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/// This function will also adjust the current jump list index.
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void mark_jumplist_forget_file(win_T *wp, int fnum)
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{
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// Remove all jump list entries that match the deleted buffer.
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for (int i = wp->w_jumplistlen - 1; i >= 0; i--) {
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if (wp->w_jumplist[i].fmark.fnum == fnum) {
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// Found an entry that we want to delete.
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free_xfmark(wp->w_jumplist[i]);
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// If the current jump list index is behind the entry we want to delete,
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// move it back by one.
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if (wp->w_jumplistidx > i) {
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wp->w_jumplistidx--;
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}
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// Actually remove the entry from the jump list.
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wp->w_jumplistlen--;
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memmove(&wp->w_jumplist[i], &wp->w_jumplist[i + 1],
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(size_t)(wp->w_jumplistlen - i) * sizeof(wp->w_jumplist[i]));
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}
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}
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}
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/// Delete every entry referring to file "fnum" from both the jumplist and the
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/// tag stack.
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void mark_forget_file(win_T *wp, int fnum)
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{
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mark_jumplist_forget_file(wp, fnum);
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// Remove all tag stack entries that match the deleted buffer.
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for (int i = wp->w_tagstacklen - 1; i >= 0; i--) {
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if (wp->w_tagstack[i].fmark.fnum == fnum) {
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// Found an entry that we want to delete.
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tagstack_clear_entry(&wp->w_tagstack[i]);
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// If the current tag stack index is behind the entry we want to delete,
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// move it back by one.
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if (wp->w_tagstackidx > i) {
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wp->w_tagstackidx--;
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}
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// Actually remove the entry from the tag stack.
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wp->w_tagstacklen--;
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memmove(&wp->w_tagstack[i], &wp->w_tagstack[i + 1],
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(size_t)(wp->w_tagstacklen - i) * sizeof(wp->w_tagstack[i]));
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}
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}
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}
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// Set the previous context mark to the current position and add it to the
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// jump list.
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void setpcmark(void)
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@ -3184,7 +3184,7 @@ static int find_extra(char **pp)
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//
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// Free a single entry in a tag stack
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//
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static void tagstack_clear_entry(taggy_T *item)
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void tagstack_clear_entry(taggy_T *item)
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{
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XFREE_CLEAR(item->tagname);
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XFREE_CLEAR(item->user_data);
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@ -1,5 +1,6 @@
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#pragma once
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#include "nvim/buffer_defs.h" // IWYU pragma: keep
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#include "nvim/eval/typval_defs.h" // IWYU pragma: keep
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#include "nvim/ex_cmds_defs.h" // IWYU pragma: keep
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#include "nvim/option_defs.h" // IWYU pragma: keep
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@ -68,26 +68,16 @@ endfunc
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func Test_jumplist_invalid()
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new
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clearjumps
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" put some randome text
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put ='a'
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let prev = bufnr('%')
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" Put some random text and fill the jump list.
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call setline(1, ['foo', 'bar', 'baz'])
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normal G
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normal gg
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setl nomodified bufhidden=wipe
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e XXJumpListBuffer
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let bnr = bufnr('%')
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" 1) empty jumplist
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let expected = [[
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\ {'lnum': 2, 'bufnr': prev, 'col': 0, 'coladd': 0}], 1]
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call assert_equal(expected, getjumplist())
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" The jump list is empty as the buffer was wiped out.
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call assert_equal([[], 0], getjumplist())
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let jumps = execute(':jumps')
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call assert_equal('>', jumps[-1:])
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" now jump back
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exe ":norm! \<c-o>"
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let expected = [[
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\ {'lnum': 2, 'bufnr': prev, 'col': 0, 'coladd': 0},
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\ {'lnum': 1, 'bufnr': bnr, 'col': 0, 'coladd': 0}], 0]
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call assert_equal(expected, getjumplist())
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let jumps = execute(':jumps')
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call assert_match('> 0 2 0 -invalid-', jumps)
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endfunc
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" Test for '' mark in an empty buffer
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@ -1001,6 +1001,23 @@ func Test_tag_stack()
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call settagstack(1, {'items' : []})
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call assert_fails('pop', 'E73:')
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" References to wiped buffer are deleted.
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for i in range(10, 20)
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edit Xtest
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exe "tag var" .. i
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endfor
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edit Xtest
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let t = gettagstack()
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call assert_equal(11, t.length)
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call assert_equal(12, t.curidx)
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bwipe!
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let t = gettagstack()
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call assert_equal(0, t.length)
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call assert_equal(1, t.curidx)
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set tags&
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%bwipe
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endfunc
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@ -2934,6 +2934,7 @@ func Test_tfirst()
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\ "Xtags", 'D')
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call writefile(["one", "two", "three"], "Xfile", 'D')
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call writefile(["one"], "Xother", 'D')
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tag one
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edit Xother
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set winfixbuf
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