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vim-patch:8.1.0154: crash with "set smarttab shiftwidth=0 softtabstop=-1"

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Problem:    Crash with "set smarttab shiftwidth=0 softtabstop=-1".
Solution:   Fall back to using 'tabstop'. (closes vim/vim#3155)
c9fe5ab3b0
This commit is contained in:
VVKot
2021-01-31 17:53:52 +00:00
parent 18b73ea3c8
commit 6f23291b8d
2 changed files with 14 additions and 3 deletions
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6
src/nvim/edit.c
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@@ -8189,6 +8189,7 @@ static bool ins_bs(int c, int mode, int *inserted_space_p)
&& (*(get_cursor_pos_ptr() - 1) == TAB
|| (*(get_cursor_pos_ptr() - 1) == ' '
&& (!*inserted_space_p || arrow_used)))))) {
int ts;
colnr_T vcol;
colnr_T want_vcol;
colnr_T start_vcol;
@@ -8203,7 +8204,8 @@ static bool ins_bs(int c, int mode, int *inserted_space_p)
getvcol(curwin, &curwin->w_cursor, NULL, NULL, &want_vcol);
inc_cursor();
if (p_sta && in_indent) {
want_vcol = (want_vcol / curbuf->b_p_sw) * curbuf->b_p_sw;
ts = (int)get_sw_value(curbuf);
want_vcol = (want_vcol / ts) * ts;
} else {
want_vcol = tabstop_start(want_vcol,
get_sts_value(),
@@ -8700,7 +8702,7 @@ static bool ins_tab(void)
AppendToRedobuff("\t");
if (p_sta && ind) { // insert tab in indent, use 'shiftwidth'
temp = (int)curbuf->b_p_sw;
temp = (int)get_sw_value(curbuf);
temp -= get_nolist_virtcol() % temp;
} else if (tabstop_count(curbuf->b_p_vsts_array) > 0
|| curbuf->b_p_sts != 0) {

11
src/nvim/testdir/test_tab.vim
View File

@@ -76,6 +76,15 @@ func Test_softtabstop()
exe "normal A\<BS>x\<Esc>"
call assert_equal("x x", getline(1))
set sts=0 sw=0 backspace&
call setline(1, 'x')
set sts=-1 sw=0 smarttab
exe "normal I\<Tab>\<Esc>"
call assert_equal("\tx", getline(1))
call setline(1, 'x')
exe "normal I\<Tab>\<BS>\<Esc>"
call assert_equal("x", getline(1))
set sts=0 sw=0 backspace& nosmarttab
bwipe!
endfunc