On Do, 15 Mai 2014, Christian Brabandt wrote:
> since I was already merging the breakindent patch, I also updated the
> vertabs patch.
>
> It is also available here:
> https://raw.githubusercontent.com/chrisbra/vim-mq-patches/master/var_tabstops_orig
Updated patch (adjusted for the breakindent changes) attached (includes
a test).
Best,
Christian
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diff --git a/runtime/doc/change.txt b/runtime/doc/change.txt
--- a/runtime/doc/change.txt
+++ b/runtime/doc/change.txt
@@ -903,6 +903,11 @@ 4.4 Changing tabs *change-tabs*
{not in Vi}
Not available when |+ex_extra| feature was disabled at
compile time.
+ If the |+vartabs| feature is enabled then a list of
+ tab widths separated by commas may be used in place of
+ a single tabstop. Each value in the list represents
+ the width of one tabstop, except the final value which
+ applies to all following tabstops.
*retab-example*
Example for using autocommands and ":retab" to edit a file which is stored
diff --git a/runtime/doc/options.txt b/runtime/doc/options.txt
--- a/runtime/doc/options.txt
+++ b/runtime/doc/options.txt
@@ -6603,6 +6603,10 @@ A jump table for the options with a shor
set.
NOTE: This option is set to 0 when 'compatible' is set.
+ If Vim is compiled with the |+vartabs| feature then the value of
+ 'softtabstop' will be ignored if |'varsofttabstop'| is set to
+ anything other than an empty string.
+
*'spell'* *'nospell'*
'spell' boolean (default off)
local to window
@@ -7150,6 +7154,10 @@ A jump table for the options with a shor
though. Otherwise aligned comments will be wrong when 'tabstop' is
changed.
+ If Vim is compiled with the |+vartabs| feature then the value of
+ 'tabstop' will be ignored if |'vartabstop'| is set to anything other
+ than an empty string.
+
*'tagbsearch'* *'tbs'* *'notagbsearch'* *'notbs'*
'tagbsearch' 'tbs' boolean (default on)
global
@@ -7786,6 +7794,44 @@ A jump table for the options with a shor
written to disk (see |crash-recovery|). Also used for the
|CursorHold| autocommand event.
+ *'varsofttabstop'* *'vsts'*
+'varsofttabstop' 'vsts' string (default "")
+ local to buffer
+ {only available when compiled with the |+vartabs|
+ feature}
+ {not in Vi}
+ A list of the number of spaces that a <Tab> counts for while editing,
+ such as inserting a <Tab> or using <BS>. It "feels" like variable-
+ width <Tab>s are being inserted, while in fact a mixture of spaces
+ and <Tab>s is used. Tab widths are separated with commas, with the
+ final value applying to all subsequent tabs.
+
+ For example, when editing assembly language files where statements
+ start in the 8th column and comments in the 40th, it may be useful
+ to use the following: >
+ :set varsofttabstop=8,32,8
+< This will set soft tabstops at the 8th and 40th columns, and at every
+ 8th column thereafter.
+
+ Note that the value of |'softtabstop'| will be ignored while
+ 'varsofttabstop' is set.
+
+ *'vartabstop'* *'vts'*
+'vartabstop' 'vts' string (default "")
+ local to buffer
+ {only available when compiled with the |+vartabs|
+ feature}
+ {not in Vi}
+ A list of the number of spaces that a <Tab> in the file counts for,
+ separated by commas. Each value corresponds to one tab, with the
+ final value applying to all subsequent tabs. For example: >
+ :set vartabstop=4,20,10,8
+< This will make the first tab 4 spaces wide, the second 20 spaces,
+ the third 10 spaces, and all following tabs 8 spaces.
+
+ Note that the value of |'tabstop'| will be ignored while 'vartabstop'
+ is set.
+
*'verbose'* *'vbs'*
'verbose' 'vbs' number (default 0)
global
diff --git a/runtime/doc/tags b/runtime/doc/tags
--- a/runtime/doc/tags
+++ b/runtime/doc/tags
@@ -1061,6 +1061,8 @@
'updatetime' options.txt /*'updatetime'*
'ur' options.txt /*'ur'*
'ut' options.txt /*'ut'*
+'varsofttabstop' options.txt /*'varsofttabstop'*
+'vartabstop' options.txt /*'vartabstop'*
'vb' options.txt /*'vb'*
'vbs' options.txt /*'vbs'*
'vdir' options.txt /*'vdir'*
@@ -1075,6 +1077,8 @@
'virtualedit' options.txt /*'virtualedit'*
'visualbell' options.txt /*'visualbell'*
'vop' options.txt /*'vop'*
+'vsts' options.txt /*'vsts'*
+'vts' options.txt /*'vts'*
'w1200' vi_diff.txt /*'w1200'*
'w300' vi_diff.txt /*'w300'*
'w9600' vi_diff.txt /*'w9600'*
@@ -1257,6 +1261,7 @@
+title various.txt /*+title*
+toolbar various.txt /*+toolbar*
+user_commands various.txt /*+user_commands*
++vartabs various.txt /*+vartabs*
+vertsplit various.txt /*+vertsplit*
+viminfo various.txt /*+viminfo*
+virtualedit various.txt /*+virtualedit*
diff --git a/runtime/doc/various.txt b/runtime/doc/various.txt
--- a/runtime/doc/various.txt
+++ b/runtime/doc/various.txt
@@ -433,6 +433,7 @@ N *+textobjects* |text-objects| selecti
N *+title* Setting the window 'title' and 'icon'
N *+toolbar* |gui-toolbar|
N *+user_commands* User-defined commands. |user-commands|
+B *+vartabs* Variable-width tabstops. |'vartabstop'|
N *+viminfo* |'viminfo'|
N *+vertsplit* Vertically split windows |:vsplit|
N *+virtualedit* |'virtualedit'|
diff --git a/runtime/optwin.vim b/runtime/optwin.vim
--- a/runtime/optwin.vim
+++ b/runtime/optwin.vim
@@ -813,6 +813,14 @@ call <SID>OptionL("ts")
call append("$", "shiftwidth\tnumber of spaces used for each step of (auto)indent")
call append("$", "\t(local to buffer)")
call <SID>OptionL("sw")
+if has("vartabs")
+ call append("$", "vartabstop\tlist of number of spaces a tab counts for")
+ call append("$", "\t(local to buffer)")
+ call <SID>OptionL("vts")
+ call append("$", "varsofttabstop\tlist of number of spaces a soft tabsstop counts for")
+ call append("$", "\t(local to buffer)")
+ call <SID>OptionL("vsts")
+endif
call append("$", "smarttab\ta <Tab> in an indent inserts 'shiftwidth' spaces")
call <SID>BinOptionG("sta", &sta)
call append("$", "softtabstop\tif non-zero, number of spaces to insert for a <Tab>")
diff --git a/src/buffer.c b/src/buffer.c
--- a/src/buffer.c
+++ b/src/buffer.c
@@ -1940,6 +1940,19 @@ free_buf_options(buf, free_p_ff)
clear_string_option(&buf->b_p_fo);
clear_string_option(&buf->b_p_flp);
clear_string_option(&buf->b_p_isk);
+#ifdef FEAT_VARTABS
+ clear_string_option(&buf->b_p_vsts);
+ if (buf->b_p_vsts_nopaste)
+ vim_free(buf->b_p_vsts_nopaste);
+ buf->b_p_vsts_nopaste = 0;
+ if (buf->b_p_vsts_ary)
+ vim_free(buf->b_p_vsts_ary);
+ buf->b_p_vsts_ary = 0;
+ clear_string_option(&buf->b_p_vts);
+ if (buf->b_p_vts_ary)
+ vim_free(buf->b_p_vts_ary);
+ buf->b_p_vts_ary = 0;
+#endif
#ifdef FEAT_KEYMAP
clear_string_option(&buf->b_p_keymap);
ga_clear(&buf->b_kmap_ga);
diff --git a/src/charset.c b/src/charset.c
--- a/src/charset.c
+++ b/src/charset.c
@@ -815,6 +815,15 @@ vim_strnsize(s, len)
* Also see getvcol() below.
*/
+#ifdef FEAT_VARTABS
+#define RET_WIN_BUF_CHARTABSIZE(wp, buf, p, col) \
+ if (*(p) == TAB && (!(wp)->w_p_list || lcs_tab1)) \
+ { \
+ return tabstop_padding(col, (buf)->b_p_ts, (buf)->b_p_vts_ary); \
+ } \
+ else \
+ return ptr2cells(p);
+#else
#define RET_WIN_BUF_CHARTABSIZE(wp, buf, p, col) \
if (*(p) == TAB && (!(wp)->w_p_list || lcs_tab1)) \
{ \
@@ -824,6 +833,7 @@ vim_strnsize(s, len)
} \
else \
return ptr2cells(p);
+#endif
#if defined(FEAT_VREPLACE) || defined(FEAT_EX_EXTRA) || defined(FEAT_GUI) \
|| defined(FEAT_VIRTUALEDIT) || defined(PROTO)
@@ -1081,6 +1091,9 @@ win_lbr_chartabsize(wp, line, s, col, he
colnr_T col_adj = 0; /* col + screen size of tab */
colnr_T colmax;
int added;
+# ifdef FEAT_VARTABS
+ colnr_T orig_col = col;
+# endif
# ifdef FEAT_MBYTE
int mb_added = 0;
# else
@@ -1196,7 +1209,15 @@ win_lbr_chartabsize(wp, line, s, col, he
added += get_breakindent_win(wp, line);
if (tab_corr)
+ {
+# ifdef FEAT_VARTABS
+ int ts = tabstop_at(orig_col, wp->w_buffer->b_p_ts,
+ wp->w_buffer->b_p_vts_ary);
+ size += (added / ts) * ts;
+# else
size += (added / wp->w_buffer->b_p_ts) * wp->w_buffer->b_p_ts;
+# endif
+ }
else
size += added;
if (col != 0)
@@ -1226,8 +1247,13 @@ win_nolbr_chartabsize(wp, s, col, headp)
if (*s == TAB && (!wp->w_p_list || lcs_tab1))
{
+# ifdef FEAT_VARTABS
+ return tabstop_padding(col, wp->w_buffer->b_p_ts,
+ wp->w_buffer->b_p_vts_ary);
+# else
n = wp->w_buffer->b_p_ts;
return (int)(n - (col % n));
+# endif
}
n = ptr2cells(s);
/* Add one cell for a double-width character in the last column of the
@@ -1291,6 +1317,9 @@ getvcol(wp, pos, start, cursor, end)
char_u *line; /* start of the line */
int incr;
int head;
+#ifdef FEAT_VARTABS
+ int *vts = wp->w_buffer->b_p_vts_ary;
+#endif
int ts = wp->w_buffer->b_p_ts;
int c;
@@ -1330,7 +1359,11 @@ getvcol(wp, pos, start, cursor, end)
}
/* A tab gets expanded, depending on the current column */
if (c == TAB)
+#ifdef FEAT_VARTABS
+ incr = tabstop_padding(vcol, ts, vts);
+#else
incr = ts - (vcol % ts);
+#endif
else
{
#ifdef FEAT_MBYTE
diff --git a/src/edit.c b/src/edit.c
--- a/src/edit.c
+++ b/src/edit.c
@@ -699,7 +699,13 @@ edit(cmdchar, startln, count)
mincol = curwin->w_wcol;
validate_cursor_col();
- if ((int)curwin->w_wcol < mincol - curbuf->b_p_ts
+ if (
+#ifdef FEAT_VARTABS
+ (int)curwin->w_wcol < mincol
+ - tabstop_at(get_nolist_virtcol(), curbuf->b_p_ts, curbuf->b_p_vts_ary)
+#else
+ (int)curwin->w_wcol < mincol - curbuf->b_p_ts
+#endif
&& curwin->w_wrow == W_WINROW(curwin)
+ curwin->w_height - 1 - p_so
&& (curwin->w_cursor.lnum != curwin->w_topline
@@ -8961,23 +8967,31 @@ ins_bs(c, mode, inserted_space_p)
*/
if ( mode == BACKSPACE_CHAR
&& ((p_sta && in_indent)
- || (get_sts_value() != 0
+ || ((get_sts_value() != 0
+#ifdef FEAT_VARTABS
+ || tabstop_count(curbuf->b_p_vsts_ary)
+#endif
+ )
&& curwin->w_cursor.col > 0
&& (*(ml_get_cursor() - 1) == TAB
|| (*(ml_get_cursor() - 1) == ' '
&& (!*inserted_space_p
|| arrow_used))))))
{
+#ifndef FEAT_VARTABS
int ts;
+#endif
colnr_T vcol;
colnr_T want_vcol;
colnr_T start_vcol;
*inserted_space_p = FALSE;
+#ifndef FEAT_VARTABS
if (p_sta && in_indent)
ts = (int)get_sw_value(curbuf);
else
ts = (int)get_sts_value();
+#endif
/* Compute the virtual column where we want to be. Since
* 'showbreak' may get in the way, need to get the last column of
* the previous character. */
@@ -8986,7 +9000,15 @@ ins_bs(c, mode, inserted_space_p)
dec_cursor();
getvcol(curwin, &curwin->w_cursor, NULL, NULL, &want_vcol);
inc_cursor();
+#ifdef FEAT_VARTABS
+ if (p_sta && in_indent)
+ want_vcol = (want_vcol / curbuf->b_p_sw) * curbuf->b_p_sw;
+ else
+ want_vcol = tabstop_start(want_vcol, curbuf->b_p_sts,
+ curbuf->b_p_vsts_ary);
+#else
want_vcol = (want_vcol / ts) * ts;
+#endif
/* delete characters until we are at or before want_vcol */
while (vcol > want_vcol
@@ -9664,7 +9686,18 @@ ins_tab()
* When nothing special, insert TAB like a normal character
*/
if (!curbuf->b_p_et
+#ifdef FEAT_VARTABS
+ && !(p_sta && ind
+ /* These five lines mean 'tabstop' != 'shiftwidth' */
+ && ((tabstop_count(curbuf->b_p_vts_ary) > 1)
+ || (tabstop_count(curbuf->b_p_vts_ary) == 1
+ && tabstop_first(curbuf->b_p_vts_ary) != get_sw_value(curbuf))
+ || (tabstop_count(curbuf->b_p_vts_ary) == 0
+ && curbuf->b_p_ts != get_sw_value(curbuf))))
+ && tabstop_count(curbuf->b_p_vsts_ary) == 0
+#else
&& !(p_sta && ind && curbuf->b_p_ts != get_sw_value(curbuf))
+#endif
&& get_sts_value() == 0)
return TRUE;
@@ -9679,6 +9712,20 @@ ins_tab()
#endif
AppendToRedobuff((char_u *)"\t");
+#ifdef FEAT_VARTABS
+ if (p_sta && ind) /* insert tab in indent, use 'shiftwidth' */
+ {
+ temp = (int)curbuf->b_p_sw;
+ temp -= get_nolist_virtcol() % temp;
+ }
+ else if (tabstop_count(curbuf->b_p_vsts_ary) > 0 || curbuf->b_p_sts > 0)
+ /* use 'softtabstop' when set */
+ temp = tabstop_padding(get_nolist_virtcol(), curbuf->b_p_sts,
+ curbuf->b_p_vsts_ary);
+ else /* otherwise use 'tabstop' */
+ temp = tabstop_padding(get_nolist_virtcol(), curbuf->b_p_ts,
+ curbuf->b_p_vts_ary);
+#else
if (p_sta && ind) /* insert tab in indent, use 'shiftwidth' */
temp = (int)get_sw_value(curbuf);
else if (curbuf->b_p_sts != 0) /* use 'softtabstop' when set */
@@ -9686,6 +9733,7 @@ ins_tab()
else /* otherwise use 'tabstop' */
temp = (int)curbuf->b_p_ts;
temp -= get_nolist_virtcol() % temp;
+#endif
/*
* Insert the first space with ins_char(). It will delete one char in
@@ -9710,7 +9758,13 @@ ins_tab()
/*
* When 'expandtab' not set: Replace spaces by TABs where possible.
*/
+#ifdef FEAT_VARTABS
+ if (!curbuf->b_p_et && (tabstop_count(curbuf->b_p_vsts_ary) > 0
+ || get_sts_value() > 0
+ || (p_sta && ind)))
+#else
if (!curbuf->b_p_et && (get_sts_value() || (p_sta && ind)))
+#endif
{
char_u *ptr;
#ifdef FEAT_VREPLACE
diff --git a/src/eval.c b/src/eval.c
--- a/src/eval.c
+++ b/src/eval.c
@@ -12759,6 +12759,9 @@ f_has(argvars, rettv)
#ifdef FEAT_VIMINFO
"viminfo",
#endif
+#ifdef FEAT_VARTABS
+ "vartabs",
+#endif
#ifdef FEAT_VERTSPLIT
"vertsplit",
#endif
diff --git a/src/ex_cmds.c b/src/ex_cmds.c
--- a/src/ex_cmds.c
+++ b/src/ex_cmds.c
@@ -600,12 +600,17 @@ ex_retab(eap)
long vcol;
long start_col = 0; /* For start of white-space string */
long start_vcol = 0; /* For start of white-space string */
- int temp;
long old_len;
char_u *ptr;
char_u *new_line = (char_u *)1; /* init to non-NULL */
int did_undo; /* called u_save for current line */
+#ifdef FEAT_VARTABS
+ int *new_ts = 0;
+ char_u *new_ts_str; /* string value of tab argument */
+#else
+ int temp;
int new_ts;
+#endif
int save_list;
linenr_T first_line = 0; /* first changed line */
linenr_T last_line = 0; /* last changed line */
@@ -613,6 +618,27 @@ ex_retab(eap)
save_list = curwin->w_p_list;
curwin->w_p_list = 0; /* don't want list mode here */
+#ifdef FEAT_VARTABS
+ new_ts_str = eap->arg;
+ if (vim_isdigit(*(eap->arg)) && !tabstop_set(eap->arg, &new_ts))
+ {
+ EMSG(_(e_invarg));
+ return;
+ }
+ while (vim_isdigit(*(eap->arg)) || *(eap->arg) == ',')
+ ++(eap->arg);
+
+ /* This ensures that either new_ts and new_ts_str are freshly allocated,
+ * or new_ts points to an existing array and new_ts_str is null.
+ */
+ if (new_ts == 0)
+ {
+ new_ts = curbuf->b_p_vts_ary;
+ new_ts_str = NULL;
+ }
+ else
+ new_ts_str = vim_strnsave(new_ts_str, eap->arg - new_ts_str);
+#else
new_ts = getdigits(&(eap->arg));
if (new_ts < 0)
{
@@ -621,6 +647,7 @@ ex_retab(eap)
}
if (new_ts == 0)
new_ts = curbuf->b_p_ts;
+#endif
for (lnum = eap->line1; !got_int && lnum <= eap->line2; ++lnum)
{
ptr = ml_get(lnum);
@@ -653,6 +680,15 @@ ex_retab(eap)
num_tabs = 0;
if (!curbuf->b_p_et)
{
+#ifdef FEAT_VARTABS
+ int t, s;
+ tabstop_fromto(start_vcol, vcol,
+ tabstop_count(new_ts)? 0: curbuf->b_p_ts,
+ new_ts,
+ &t, &s);
+ num_tabs = t;
+ num_spaces = s;
+#else
temp = new_ts - (start_vcol % new_ts);
if (num_spaces >= temp)
{
@@ -661,6 +697,7 @@ ex_retab(eap)
}
num_tabs += num_spaces / new_ts;
num_spaces -= (num_spaces / new_ts) * new_ts;
+#endif
}
if (curbuf->b_p_et || got_tab ||
(num_spaces + num_tabs < len))
@@ -718,14 +755,54 @@ ex_retab(eap)
if (got_int)
EMSG(_(e_interr));
+#ifdef FEAT_VARTABS
+ /* If a single value was given then it can be considered equal to
+ * either the value of 'tabstop' or the value of 'vartabstop'.
+ */
+ if (tabstop_count(curbuf->b_p_vts_ary) == 0
+ && tabstop_count(new_ts) == 1
+ && curbuf->b_p_ts == tabstop_first(new_ts))
+ ; /* not changed */
+ else if (tabstop_count(curbuf->b_p_vts_ary) > 0
+ && tabstop_eq(curbuf->b_p_vts_ary, new_ts))
+ ; /* not changed */
+ else
+ redraw_curbuf_later(NOT_VALID);
+#else
if (curbuf->b_p_ts != new_ts)
redraw_curbuf_later(NOT_VALID);
+#endif
if (first_line != 0)
changed_lines(first_line, 0, last_line + 1, 0L);
curwin->w_p_list = save_list; /* restore 'list' */
+#ifdef FEAT_VARTABS
+ if (new_ts_str != NULL) /* set the new tabstop */
+ {
+ /* If 'vartabstop' is in use or if the value given to retab has more
+ * than one tabstop then update 'vartabstop'.
+ */
+ int* old_vts_ary = curbuf->b_p_vts_ary;
+ if (tabstop_count(old_vts_ary) > 0 || tabstop_count(new_ts) > 1) {
+ set_string_option_direct((char_u *)"vts", -1, new_ts_str,
+ OPT_FREE|OPT_LOCAL, 0);
+ vim_free(new_ts_str);
+ curbuf->b_p_vts_ary = new_ts;
+ vim_free(old_vts_ary);
+ }
+ /* If 'vartabstop' wasn't in use and a single value was given to
+ * retab then update 'tabstop'.
+ */
+ else
+ {
+ curbuf->b_p_ts = tabstop_first(new_ts);
+ vim_free(new_ts);
+ }
+ }
+#else
curbuf->b_p_ts = new_ts;
+#endif
coladvance(curwin->w_curswant);
u_clearline();
diff --git a/src/feature.h b/src/feature.h
--- a/src/feature.h
+++ b/src/feature.h
@@ -840,6 +840,13 @@
#endif
/*
+ * +vartabs 'vartabstop' and 'varsofttabstop' options.
+ */
+#ifdef FEAT_BIG
+# define FEAT_VARTABS
+#endif
+
+/*
* Preferences:
* ============
*/
diff --git a/src/gui_beval.c b/src/gui_beval.c
--- a/src/gui_beval.c
+++ b/src/gui_beval.c
@@ -219,6 +219,9 @@ gui_mch_create_beval_area(target, mesg,
beval->msg = mesg;
beval->msgCB = mesgCB;
beval->clientData = clientData;
+#ifdef FEAT_VARTABS
+ beval->vts = 0;
+#endif
/*
* Set up event handler which will keep its eyes on the pointer,
@@ -262,6 +265,10 @@ gui_mch_destroy_beval_area(beval)
# else
XtDestroyWidget(beval->balloonShell);
# endif
+# ifdef FEAT_VARTABS
+ if (beval->vts)
+ vim_free(beval->vts);
+# endif
vim_free(beval);
}
#endif
@@ -401,6 +408,11 @@ get_beval_info(beval, getword, winp, lnu
*lnump = lnum;
*textp = lbuf;
*colp = col;
+#ifdef FEAT_VARTABS
+ if (beval->vts)
+ vim_free(beval->vts);
+ beval->vts = tabstop_copy(wp->w_buffer->b_p_vts_ary);
+#endif
beval->ts = wp->w_buffer->b_p_ts;
return OK;
}
diff --git a/src/gui_beval.h b/src/gui_beval.h
--- a/src/gui_beval.h
+++ b/src/gui_beval.h
@@ -58,6 +58,9 @@ typedef struct BalloonEvalStruct
BeState showState; /* tells us whats currently going on */
# endif
#endif
+#ifdef FEAT_VARTABS
+ int *vts; /* vartabstop setting for this buffer */
+#endif
int ts; /* tabstop setting for this buffer */
char_u *msg;
void (*msgCB)__ARGS((struct BalloonEvalStruct *, int));
diff --git a/src/gui_w32.c b/src/gui_w32.c
--- a/src/gui_w32.c
+++ b/src/gui_w32.c
@@ -4948,6 +4948,9 @@ gui_mch_create_beval_area(target, mesg,
beval->msg = mesg;
beval->msgCB = mesgCB;
beval->clientData = clientData;
+#ifdef FEAT_VARTABS
+ beval->vts = 0;
+#endif
InitCommonControls();
cur_beval = beval;
@@ -5006,6 +5009,10 @@ TrackUserActivity(UINT uMsg)
gui_mch_destroy_beval_area(beval)
BalloonEval *beval;
{
+#ifdef FEAT_VARTABS
+ if (beval->vts)
+ vim_free(beval->vts);
+#endif
vim_free(beval);
}
#endif /* FEAT_BEVAL */
diff --git a/src/hardcopy.c b/src/hardcopy.c
--- a/src/hardcopy.c
+++ b/src/hardcopy.c
@@ -900,7 +900,12 @@ hardcopy_line(psettings, page_line, ppos
if (line[col] == TAB || tab_spaces != 0)
{
if (tab_spaces == 0)
+#ifdef FEAT_VARTABS
+ tab_spaces = tabstop_padding(print_pos, curbuf->b_p_ts,
+ curbuf->b_p_vts_ary);
+#else
tab_spaces = (int)(curbuf->b_p_ts - (print_pos % curbuf->b_p_ts));
+#endif
while (tab_spaces > 0)
{
diff --git a/src/message.c b/src/message.c
--- a/src/message.c
+++ b/src/message.c
@@ -1719,7 +1719,11 @@ msg_prt_line(s, list)
if (c == TAB && (!list || lcs_tab1))
{
/* tab amount depends on current column */
+#ifdef FEAT_VARTABS
+ n_extra = tabstop_padding(col, curbuf->b_p_ts, curbuf->b_p_vts_ary) - 1;
+#else
n_extra = curbuf->b_p_ts - col % curbuf->b_p_ts - 1;
+#endif
if (!list)
{
c = ' ';
diff --git a/src/misc1.c b/src/misc1.c
--- a/src/misc1.c
+++ b/src/misc1.c
@@ -32,7 +32,11 @@ static garray_T ga_users;
int
get_indent()
{
+#ifdef FEAT_VARTABS
+ return get_indent_str_vtab(ml_get_curline(), (int)curbuf->b_p_ts, curbuf->b_p_vts_ary);
+#else
return get_indent_str(ml_get_curline(), (int)curbuf->b_p_ts, FALSE);
+#endif
}
/*
@@ -42,7 +46,11 @@ get_indent()
get_indent_lnum(lnum)
linenr_T lnum;
{
+#ifdef FEAT_VARTABS
+ return get_indent_str_vtab(ml_get(lnum), curbuf->b_p_ts, curbuf->b_p_vts_ary);
+#else
return get_indent_str(ml_get(lnum), (int)curbuf->b_p_ts, FALSE);
+#endif
}
#if defined(FEAT_FOLDING) || defined(PROTO)
@@ -55,7 +63,11 @@ get_indent_buf(buf, lnum)
buf_T *buf;
linenr_T lnum;
{
+#ifdef FEAT_VARTABS
+ return get_indent_str_vtab(ml_get_buf(buf, lnum, FALSE), (int)curbuf->b_p_ts, buf->b_p_vts_ary);
+#else
return get_indent_str(ml_get_buf(buf, lnum, FALSE), (int)buf->b_p_ts, FALSE);
+#endif
}
#endif
@@ -89,6 +101,32 @@ get_indent_str(ptr, ts, list)
return count;
}
+#ifdef FEAT_VARTABS
+/*
+ * count the size (in window cells) of the indent in line "ptr", using
+ * variable tabstops
+ */
+ int
+get_indent_str_vtab(ptr, ts, vts)
+ char_u *ptr;
+ int ts;
+ int *vts;
+{
+ int count = 0;
+
+ for ( ; *ptr; ++ptr)
+ {
+ if (*ptr == TAB) /* count a tab for what it is worth */
+ count += tabstop_padding(count, ts, vts);
+ else if (*ptr == ' ')
+ ++count; /* count a space for one */
+ else
+ break;
+ }
+ return count;
+}
+#endif
+
/*
* Set the indent of the current line.
* Leaves the cursor on the first non-blank in the line.
@@ -113,6 +151,9 @@ set_indent(size, flags)
int line_len;
int doit = FALSE;
int ind_done = 0; /* measured in spaces */
+#ifdef FEAT_VARTABS
+ int ind_col = 0;
+#endif
int tab_pad;
int retval = FALSE;
int orig_char_len = -1; /* number of initial whitespace chars when
@@ -145,8 +186,13 @@ set_indent(size, flags)
{
if (*p == TAB)
{
+#ifdef FEAT_VARTABS
+ tab_pad = tabstop_padding(ind_done, curbuf->b_p_ts,
+ curbuf->b_p_vts_ary);
+#else
tab_pad = (int)curbuf->b_p_ts
- (ind_done % (int)curbuf->b_p_ts);
+#endif
/* stop if this tab will overshoot the target */
if (todo < tab_pad)
break;
@@ -163,23 +209,50 @@ set_indent(size, flags)
++p;
}
+#ifdef FEAT_VARTABS
+ /* These diverge from this point. */
+ ind_col = ind_done;
+#endif
/* Set initial number of whitespace chars to copy if we are
* preserving indent but expandtab is set */
if (curbuf->b_p_et)
orig_char_len = ind_len;
/* Fill to next tabstop with a tab, if possible */
+#ifdef FEAT_VARTABS
+ tab_pad = tabstop_padding(ind_done, curbuf->b_p_ts,
+ curbuf->b_p_vts_ary);
+#else
tab_pad = (int)curbuf->b_p_ts - (ind_done % (int)curbuf->b_p_ts);
+#endif
if (todo >= tab_pad && orig_char_len == -1)
{
doit = TRUE;
todo -= tab_pad;
++ind_len;
/* ind_done += tab_pad; */
+#ifdef FEAT_VARTABS
+ ind_col += tab_pad;
+#endif
}
}
/* count tabs required for indent */
+#ifdef FEAT_VARTABS
+ for (;;)
+ {
+ tab_pad = tabstop_padding(ind_col, curbuf->b_p_ts, curbuf->b_p_vts_ary);
+ if (todo < tab_pad)
+ break;
+ if (*p != TAB)
+ doit = TRUE;
+ else
+ ++p;
+ todo -= tab_pad;
+ ++ind_len;
+ ind_col += tab_pad;
+ }
+#else
while (todo >= (int)curbuf->b_p_ts)
{
if (*p != TAB)
@@ -190,6 +263,7 @@ set_indent(size, flags)
++ind_len;
/* ind_done += (int)curbuf->b_p_ts; */
}
+#endif
}
/* count spaces required for indent */
while (todo > 0)
@@ -264,8 +338,13 @@ set_indent(size, flags)
{
if (*p == TAB)
{
+#ifdef FEAT_VARTABS
+ tab_pad = tabstop_padding(ind_done, curbuf->b_p_ts,
+ curbuf->b_p_vts_ary);
+#else
tab_pad = (int)curbuf->b_p_ts
- (ind_done % (int)curbuf->b_p_ts);
+#endif
/* stop if this tab will overshoot the target */
if (todo < tab_pad)
break;
@@ -281,21 +360,41 @@ set_indent(size, flags)
}
/* Fill to next tabstop with a tab, if possible */
+#ifdef FEAT_VARTABS
+ tab_pad = tabstop_padding(ind_done, curbuf->b_p_ts,
+ curbuf->b_p_vts_ary);
+#else
tab_pad = (int)curbuf->b_p_ts - (ind_done % (int)curbuf->b_p_ts);
+#endif
if (todo >= tab_pad)
{
*s++ = TAB;
todo -= tab_pad;
+#ifdef FEAT_VARTABS
+ ind_done += tab_pad;
+#endif
}
p = skipwhite(p);
}
+#ifdef FEAT_VARTABS
+ for (;;)
+ {
+ tab_pad = tabstop_padding(ind_done, curbuf->b_p_ts, curbuf->b_p_vts_ary);
+ if (todo < tab_pad)
+ break;
+ *s++ = TAB;
+ todo -= tab_pad;
+ ind_done += tab_pad;
+ }
+#else
while (todo >= (int)curbuf->b_p_ts)
{
*s++ = TAB;
todo -= (int)curbuf->b_p_ts;
}
+#endif
}
while (todo > 0)
{
@@ -350,6 +449,9 @@ copy_indent(size, src)
int tab_pad;
int ind_done;
int round;
+#ifdef FEAT_VARTABS
+ int ind_col;
+#endif
/* Round 1: compute the number of characters needed for the indent
* Round 2: copy the characters. */
@@ -358,6 +460,9 @@ copy_indent(size, src)
todo = size;
ind_len = 0;
ind_done = 0;
+#ifdef FEAT_VARTABS
+ ind_col = 0;
+#endif
s = src;
/* Count/copy the usable portion of the source line */
@@ -365,18 +470,28 @@ copy_indent(size, src)
{
if (*s == TAB)
{
+#ifdef FEAT_VARTABS
+ tab_pad = tabstop_padding(ind_done, curbuf->b_p_ts, curbuf->b_p_vts_ary);
+#else
tab_pad = (int)curbuf->b_p_ts
- (ind_done % (int)curbuf->b_p_ts);
+#endif
/* Stop if this tab will overshoot the target */
if (todo < tab_pad)
break;
todo -= tab_pad;
ind_done += tab_pad;
+#ifdef FEAT_VARTABS
+ ind_col += tab_pad;
+#endif
}
else
{
--todo;
++ind_done;
+#ifdef FEAT_VARTABS
+ ++ind_col;
+#endif
}
++ind_len;
if (p != NULL)
@@ -385,22 +500,46 @@ copy_indent(size, src)
}
/* Fill to next tabstop with a tab, if possible */
+#ifdef FEAT_VARTABS
+ tab_pad = tabstop_padding(ind_done, curbuf->b_p_ts, curbuf->b_p_vts_ary);
+#else
tab_pad = (int)curbuf->b_p_ts - (ind_done % (int)curbuf->b_p_ts);
+#endif
if (todo >= tab_pad && !curbuf->b_p_et)
{
todo -= tab_pad;
++ind_len;
+#ifdef FEAT_VARTABS
+ ind_col += tab_pad;
+#endif
if (p != NULL)
*p++ = TAB;
}
/* Add tabs required for indent */
- while (todo >= (int)curbuf->b_p_ts && !curbuf->b_p_et)
- {
- todo -= (int)curbuf->b_p_ts;
- ++ind_len;
- if (p != NULL)
- *p++ = TAB;
+ if (!curbuf->b_p_et)
+ {
+#ifdef FEAT_VARTABS
+ for (;;)
+ {
+ tab_pad = tabstop_padding(ind_col, curbuf->b_p_ts, curbuf->b_p_vts_ary);
+ if (todo < tab_pad)
+ break;
+ todo -= tab_pad;
+ ++ind_len;
+ ind_col += tab_pad;
+ if (p != NULL)
+ *p++ = TAB;
+ }
+#else
+ while (todo >= (int)curbuf->b_p_ts)
+ {
+ todo -= (int)curbuf->b_p_ts;
+ ++ind_len;
+ if (p != NULL)
+ *p++ = TAB;
+ }
+#endif
}
/* Count/add spaces required for indent */
@@ -740,7 +879,12 @@ open_line(dir, flags, second_line_indent
/*
* count white space on current line
*/
+#ifdef FEAT_VARTABS
+ newindent = get_indent_str_vtab(saved_line, curbuf->b_p_ts,
+ curbuf->b_p_vts_ary);
+#else
newindent = get_indent_str(saved_line, (int)curbuf->b_p_ts, FALSE);
+#endif
if (newindent == 0 && !(flags & OPENLINE_COM_LIST))
newindent = second_line_indent; /* for ^^D command in insert mode */
@@ -1263,7 +1407,12 @@ open_line(dir, flags, second_line_indent
|| do_si
#endif
)
+#ifdef FEAT_VARTABS
+ newindent = get_indent_str_vtab(leader, curbuf->b_p_ts,
+ curbuf->b_p_vts_ary);
+#else
newindent = get_indent_str(leader, (int)curbuf->b_p_ts, FALSE);
+#endif
/* Add the indent offset */
if (newindent + off < 0)
diff --git a/src/ops.c b/src/ops.c
--- a/src/ops.c
+++ b/src/ops.c
@@ -378,6 +378,9 @@ shift_block(oap, amount)
char_u *newp, *oldp;
int oldcol = curwin->w_cursor.col;
int p_sw = (int)get_sw_value(curbuf);
+#ifdef FEAT_VARTABS
+ int *p_vts = curbuf->b_p_vts_ary;
+#endif
int p_ts = (int)curbuf->b_p_ts;
struct block_def bd;
int incr;
@@ -427,12 +430,19 @@ shift_block(oap, amount)
}
/* OK, now total=all the VWS reqd, and textstart points at the 1st
* non-ws char in the block. */
+#ifdef FEAT_VARTABS
+ if (!curbuf->b_p_et)
+ tabstop_fromto(ws_vcol, ws_vcol + total, p_ts, p_vts, &i, &j);
+ else
+ j = total;
+#else
if (!curbuf->b_p_et)
i = ((ws_vcol % p_ts) + total) / p_ts; /* number of tabs */
if (i)
j = ((ws_vcol % p_ts) + total) % p_ts; /* number of spp */
else
j = total;
+#endif
/* if we're splitting a TAB, allow for it */
bd.textcol -= bd.pre_whitesp_c - (bd.startspaces != 0);
len = (int)STRLEN(bd.textstart) + 1;
@@ -3554,10 +3564,18 @@ do_put(regname, dir, count, flags)
{
/* Don't need to insert spaces when "p" on the last position of a
* tab or "P" on the first position. */
+#ifdef FEAT_VARTABS
+ int viscol = getviscol();
+ if (dir == FORWARD
+ ? tabstop_padding(viscol, curbuf->b_p_ts, curbuf->b_p_vts_ary) != 1
+ : curwin->w_cursor.coladd > 0)
+ coladvance_force(viscol);
+#else
if (dir == FORWARD
? (int)curwin->w_cursor.coladd < curbuf->b_p_ts - 1
: curwin->w_cursor.coladd > 0)
coladvance_force(getviscol());
+#endif
else
curwin->w_cursor.coladd = 0;
}
diff --git a/src/option.c b/src/option.c
--- a/src/option.c
+++ b/src/option.c
@@ -179,6 +179,10 @@
# define PV_UDF OPT_BUF(BV_UDF)
#endif
#define PV_WM OPT_BUF(BV_WM)
+#ifdef FEAT_VARTABS
+#define PV_VSTS OPT_BUF(BV_VSTS)
+#define PV_VTS OPT_BUF(BV_VTS)
+#endif
/*
* Definition of the PV_ values for window-local options.
@@ -373,6 +377,10 @@ static int p_tx;
static int p_udf;
#endif
static long p_wm;
+#ifdef FEAT_VARTABS
+static char_u *p_vsts;
+static char_u *p_vts;
+#endif
#ifdef FEAT_KEYMAP
static char_u *p_keymap;
#endif
@@ -388,6 +396,9 @@ static long p_tw_nopaste;
static long p_wm_nopaste;
static long p_sts_nopaste;
static int p_ai_nopaste;
+#ifdef FEAT_VARTABS
+static char_u *p_vsts_nopaste;
+#endif
struct vimoption
{
@@ -2721,6 +2732,14 @@ static struct vimoption
{"updatetime", "ut", P_NUM|P_VI_DEF,
(char_u *)&p_ut, PV_NONE,
{(char_u *)4000L, (char_u *)0L} SCRIPTID_INIT},
+#ifdef FEAT_VARTABS
+ {"varsofttabstop", "vsts", P_STRING|P_VI_DEF|P_VIM|P_COMMA,
+ (char_u *)&p_vsts, PV_VSTS,
+ {(char_u *)"", (char_u *)0L}},
+ {"vartabstop", "vts", P_STRING|P_VI_DEF|P_VIM|P_RBUF|P_COMMA,
+ (char_u *)&p_vts, PV_VTS,
+ {(char_u *)"", (char_u *)0L} SCRIPTID_INIT},
+#endif
{"verbose", "vbs", P_NUM|P_VI_DEF,
(char_u *)&p_verbose, PV_NONE,
{(char_u *)0L, (char_u *)0L} SCRIPTID_INIT},
@@ -5291,6 +5310,10 @@ didset_options()
#ifdef FEAT_LINEBREAK
briopt_check();
#endif
+#ifdef FEAT_VARTABS
+ tabstop_set(curbuf->b_p_vsts, &curbuf->b_p_vsts_ary);
+ tabstop_set(curbuf->b_p_vts, &curbuf->b_p_vts_ary);
+#endif
}
/*
@@ -5406,6 +5429,10 @@ check_buf_options(buf)
#ifdef FEAT_LISP
check_string_option(&buf->b_p_lw);
#endif
+#ifdef FEAT_VARTABS
+ check_string_option(&buf->b_p_vsts);
+ check_string_option(&buf->b_p_vts);
+#endif
}
/*
@@ -7024,6 +7051,88 @@ did_set_string_option(opt_idx, varp, new
}
#endif
+#ifdef FEAT_VARTABS
+ /* 'varsofttabstop' */
+ else if (varp == &(curbuf->b_p_vsts))
+ {
+ char_u *cp;
+
+ if (!(*varp)[0] || ((*varp)[0] == '0' && !(*varp)[1]))
+ {
+ if (curbuf->b_p_vsts_ary)
+ {
+ vim_free(curbuf->b_p_vsts_ary);
+ curbuf->b_p_vsts_ary = 0;
+ }
+ }
+ else
+ {
+ for (cp = *varp; *cp; ++cp)
+ {
+ if (vim_isdigit(*cp))
+ continue;
+ if (*cp == ',' && cp > *varp && *(cp-1) != ',')
+ continue;
+ errmsg = e_invarg;
+ break;
+ }
+ if (errmsg == NULL)
+ {
+ int *oldarray = curbuf->b_p_vsts_ary;
+ if (tabstop_set(*varp, &(curbuf->b_p_vsts_ary)))
+ {
+ if (oldarray)
+ vim_free(oldarray);
+ }
+ else
+ errmsg = e_invarg;
+ }
+ }
+ }
+
+ /* 'vartabstop' */
+ else if (varp == &(curbuf->b_p_vts))
+ {
+ char_u *cp;
+
+ if (!(*varp)[0] || ((*varp)[0] == '0' && !(*varp)[1]))
+ {
+ if (curbuf->b_p_vts_ary)
+ {
+ vim_free(curbuf->b_p_vts_ary);
+ curbuf->b_p_vts_ary = 0;
+ }
+ }
+ else
+ {
+ for (cp = *varp; *cp; ++cp)
+ {
+ if (vim_isdigit(*cp))
+ continue;
+ if (*cp == ',' && cp > *varp && *(cp-1) != ',')
+ continue;
+ errmsg = e_invarg;
+ break;
+ }
+ if (errmsg == NULL)
+ {
+ int *oldarray = curbuf->b_p_vts_ary;
+ if (tabstop_set(*varp, &(curbuf->b_p_vts_ary)))
+ {
+ if (oldarray)
+ vim_free(oldarray);
+#ifdef FEAT_FOLDING
+ if (foldmethodIsIndent(curwin))
+ foldUpdateAll(curwin);
+#endif /* FEAT_FOLDING */
+ }
+ else
+ errmsg = e_invarg;
+ }
+ }
+ }
+#endif
+
/* Options that are a list of flags. */
else
{
@@ -8227,7 +8336,14 @@ set_num_option(opt_idx, varp, value, err
if (curbuf->b_p_sw < 0)
{
errmsg = e_positive;
+#ifdef FEAT_VARTABS
+ /* Use the first 'vartabstop' value, or 'tabstop' if vts isn't in use. */
+ curbuf->b_p_sw = tabstop_count(curbuf->b_p_vts_ary) > 0
+ ? tabstop_first(curbuf->b_p_vts_ary)
+ : curbuf->b_p_ts;
+#else
curbuf->b_p_sw = curbuf->b_p_ts;
+#endif
}
/*
@@ -10197,6 +10313,10 @@ get_varp(p)
#ifdef FEAT_KEYMAP
case PV_KMAP: return (char_u *)&(curbuf->b_p_keymap);
#endif
+#ifdef FEAT_VARTABS
+ case PV_VSTS: return (char_u *)&(curbuf->b_p_vsts);
+ case PV_VTS: return (char_u *)&(curbuf->b_p_vts);
+#endif
default: EMSG(_("E356: get_varp ERROR"));
}
/* always return a valid pointer to avoid a crash! */
@@ -10506,6 +10626,15 @@ buf_copy_options(buf, flags)
#endif
buf->b_p_sts = p_sts;
buf->b_p_sts_nopaste = p_sts_nopaste;
+#ifdef FEAT_VARTABS
+ buf->b_p_vsts = vim_strsave(p_vsts);
+ if (p_vsts && p_vsts != empty_option)
+ tabstop_set(p_vsts, &buf->b_p_vsts_ary);
+ else
+ buf->b_p_vsts_ary = 0;
+ buf->b_p_vsts_nopaste = p_vsts_nopaste
+ ? vim_strsave(p_vsts_nopaste) : NULL;
+#endif
#ifndef SHORT_FNAME
buf->b_p_sn = p_sn;
#endif
@@ -10619,12 +10748,27 @@ buf_copy_options(buf, flags)
* or to a help buffer.
*/
if (dont_do_help)
+ {
buf->b_p_isk = save_p_isk;
+#ifdef FEAT_VARTABS
+ if (p_vts && p_vts != empty_option && !buf->b_p_vts_ary)
+ tabstop_set(p_vts, &buf->b_p_vts_ary);
+ else
+ buf->b_p_vts_ary = 0;
+#endif
+ }
else
{
buf->b_p_isk = vim_strsave(p_isk);
did_isk = TRUE;
buf->b_p_ts = p_ts;
+#ifdef FEAT_VARTABS
+ buf->b_p_vts = vim_strsave(p_vts);
+ if (p_vts && p_vts != empty_option && !buf->b_p_vts_ary)
+ tabstop_set(p_vts, &buf->b_p_vts_ary);
+ else
+ buf->b_p_vts_ary = 0;
+#endif
buf->b_help = FALSE;
#ifdef FEAT_QUICKFIX
if (buf->b_p_bt[0] == 'h')
@@ -11453,6 +11597,12 @@ paste_option_changed()
buf->b_p_wm_nopaste = buf->b_p_wm;
buf->b_p_sts_nopaste = buf->b_p_sts;
buf->b_p_ai_nopaste = buf->b_p_ai;
+#ifdef FEAT_VARTABS
+ if (buf->b_p_vsts_nopaste)
+ vim_free(buf->b_p_vsts_nopaste);
+ buf->b_p_vsts_nopaste = buf->b_p_vsts && buf->b_p_vsts != empty_option
+ ? vim_strsave(buf->b_p_vsts) : NULL;
+#endif
}
/* save global options */
@@ -11469,6 +11619,11 @@ paste_option_changed()
p_wm_nopaste = p_wm;
p_sts_nopaste = p_sts;
p_ai_nopaste = p_ai;
+#ifdef FEAT_VARTABS
+ if (p_vsts_nopaste)
+ vim_free(p_vsts_nopaste);
+ p_vsts_nopaste = p_vsts && p_vsts != empty_option ? vim_strsave(p_vsts) : NULL;
+#endif
}
/*
@@ -11482,6 +11637,14 @@ paste_option_changed()
buf->b_p_wm = 0; /* wrapmargin is 0 */
buf->b_p_sts = 0; /* softtabstop is 0 */
buf->b_p_ai = 0; /* no auto-indent */
+#ifdef FEAT_VARTABS
+ if (buf->b_p_vsts)
+ free_string_option(buf->b_p_vsts);
+ buf->b_p_vsts = empty_option;
+ if (buf->b_p_vsts_ary)
+ vim_free(buf->b_p_vsts_ary);
+ buf->b_p_vsts_ary = 0;
+#endif
}
/* set global options */
@@ -11502,6 +11665,11 @@ paste_option_changed()
p_wm = 0;
p_sts = 0;
p_ai = 0;
+#ifdef FEAT_VARTABS
+ if (p_vsts)
+ free_string_option(p_vsts);
+ p_vsts = empty_option;
+#endif
}
/*
@@ -11516,6 +11684,18 @@ paste_option_changed()
buf->b_p_wm = buf->b_p_wm_nopaste;
buf->b_p_sts = buf->b_p_sts_nopaste;
buf->b_p_ai = buf->b_p_ai_nopaste;
+#ifdef FEAT_VARTABS
+ if (buf->b_p_vsts)
+ free_string_option(buf->b_p_vsts);
+ buf->b_p_vsts = buf->b_p_vsts_nopaste
+ ? vim_strsave(buf->b_p_vsts_nopaste) : empty_option;
+ if (buf->b_p_vsts_ary)
+ vim_free(buf->b_p_vsts_ary);
+ if (buf->b_p_vsts && buf->b_p_vsts != empty_option)
+ tabstop_set(buf->b_p_vsts, &buf->b_p_vsts_ary);
+ else
+ buf->b_p_vsts_ary = 0;
+#endif
}
/* restore global options */
@@ -11536,6 +11716,11 @@ paste_option_changed()
p_wm = p_wm_nopaste;
p_sts = p_sts_nopaste;
p_ai = p_ai_nopaste;
+#ifdef FEAT_VARTABS
+ if (p_vsts)
+ free_string_option(p_vsts);
+ p_vsts = p_vsts_nopaste ? vim_strsave(p_vsts_nopaste) : empty_option;
+#endif
}
old_p_paste = p_paste;
@@ -11878,6 +12063,301 @@ check_ff_value(p)
return check_opt_strings(p, p_ff_values, FALSE);
}
+#ifdef FEAT_VARTABS
+
+/*
+ * Set the integer values corresponding to the string setting of 'vartabstop'.
+ */
+ int
+tabstop_set(var, array)
+ char_u *var;
+ int **array;
+{
+ int valcount = 1;
+ int t;
+ char_u *cp;
+
+ if ((!var[0] || (var[0] == '0' && !var[1])))
+ {
+ *array = (int *)0;
+ return TRUE;
+ }
+
+ for (cp = var; *cp; ++cp)
+ {
+ if (cp == var || *(cp - 1) == ',')
+ if (atoi((char *)cp) <= 0)
+ return FALSE;
+
+ if (VIM_ISDIGIT(*cp))
+ continue;
+ if (*cp == ',' && cp > var && *(cp - 1) != ',')
+ {
+ ++valcount;
+ continue;
+ }
+ return FALSE;
+ }
+
+ *array = (int *) alloc((unsigned) ((valcount + 1) * sizeof(int)));
+ (*array)[0] = valcount;
+
+ t = 1;
+ for (cp = var; *cp;)
+ {
+ (*array)[t++] = atoi((char *)cp);
+ while (*cp && *cp != ',')
+ ++cp;
+ if (*cp)
+ ++cp;
+ }
+
+ return TRUE;
+}
+
+/*
+ * Calculate the number of screen spaces a tab will occupy.
+ * If vts is set then the tab widths are taken from that array,
+ * otherwise the value of ts is used.
+ */
+ int
+tabstop_padding(col, ts, vts)
+ colnr_T col;
+ int ts;
+ int *vts;
+{
+ int tabcount;
+ colnr_T tabcol = 0;
+ int t;
+ int padding = 0;
+
+ if (ts == 0)
+ ts = 8;
+ if (vts == 0 || vts[0] == 0)
+ return ts - (col % ts);
+
+ tabcount = vts[0];
+
+ for (t = 1; t <= tabcount; ++t)
+ {
+ tabcol += vts[t];
+ if (tabcol > col)
+ {
+ padding = (int)(tabcol - col);
+ break;
+ }
+ }
+ if (t > tabcount)
+ padding = vts[tabcount] - (int)((col - tabcol) % vts[tabcount]);
+
+ return padding;
+}
+
+/*
+ * Find the size of the tab that covers a particular column.
+ */
+ int
+tabstop_at(col, ts, vts)
+ colnr_T col;
+ int ts;
+ int *vts;
+{
+ int tabcount;
+ colnr_T tabcol = 0;
+ int t;
+ int tab_size = 0;
+
+ if (vts == 0 || vts[0] == 0)
+ return ts;
+
+ tabcount = vts[0];
+ for (t = 1; t <= tabcount; ++t)
+ {
+ tabcol += vts[t];
+ if (tabcol > col)
+ {
+ tab_size = vts[t];
+ break;
+ }
+ }
+ if (t > tabcount)
+ tab_size = vts[tabcount];
+
+ return tab_size;
+}
+
+/*
+ * Find the column on which a tab starts.
+ */
+ colnr_T
+tabstop_start(col, ts, vts)
+ colnr_T col;
+ int ts;
+ int *vts;
+{
+ int tabcount;
+ colnr_T tabcol = 0;
+ int t;
+
+ if (vts == 0 || vts[0] == 0)
+ return (col / ts) * ts;
+
+ tabcount = vts[0];
+ for (t = 1; t <= tabcount; ++t)
+ {
+ tabcol += vts[t];
+ if (tabcol > col)
+ return tabcol - vts[t];
+ }
+
+ int excess = tabcol % vts[tabcount];
+ return excess + ((col - excess) / vts[tabcount]) * vts[tabcount];
+}
+
+/*
+ * Find the number of tabs and spaces necessary to get from one column
+ * to another.
+ */
+ void
+tabstop_fromto(start_col, end_col, ts, vts, ntabs, nspcs)
+ colnr_T start_col;
+ colnr_T end_col;
+ int ts;
+ int *vts;
+ int *ntabs;
+ int *nspcs;
+{
+ int spaces = end_col - start_col;
+ colnr_T tabcol = 0;
+ int padding = 0;
+ int tabcount;
+ int t;
+
+ if (vts == 0 || vts[0] == 0)
+ {
+ int tabs = 0;
+ int initspc = ts - (start_col % ts);
+ if (spaces >= initspc)
+ {
+ spaces -= initspc;
+ tabs++;
+ }
+ tabs += spaces / ts;
+ spaces -= (spaces / ts) * ts;
+
+ *ntabs = tabs;
+ *nspcs = spaces;
+ return;
+ }
+
+ /* Find the padding needed to reach the next tabstop. */
+ tabcount = vts[0];
+ for (t = 1; t <= tabcount; ++t)
+ {
+ tabcol += vts[t];
+ if (tabcol > start_col)
+ {
+ padding = (int)(tabcol - start_col);
+ break;
+ }
+ }
+ if (t > tabcount)
+ padding = vts[tabcount] - (int)((start_col - tabcol) % vts[tabcount]);
+
+ /* If the space needed is less than the padding no tabs can be used. */
+ if (spaces < padding)
+ {
+ *ntabs = 0;
+ *nspcs = spaces;
+ return;
+ }
+
+ *ntabs = 1;
+ spaces -= padding;
+
+ /* At least one tab has been used. See if any more will fit. */
+ while (spaces != 0 && ++t <= tabcount)
+ {
+ padding = vts[t];
+ if (spaces < padding)
+ {
+ *nspcs = spaces;
+ return;
+ }
+ ++*ntabs;
+ spaces -= padding;
+ }
+
+ *ntabs += spaces / vts[tabcount];
+ *nspcs = spaces % vts[tabcount];
+}
+
+/*
+ * See if two tabstop arrays contain the same values.
+ */
+ int
+tabstop_eq(ts1, ts2)
+ int *ts1;
+ int *ts2;
+{
+ int t;
+
+ if ((ts1 == 0 && ts2) || (ts1 && ts2 == 0))
+ return FALSE;
+ if (ts1 == ts2)
+ return TRUE;
+ if (ts1[0] != ts2[0])
+ return FALSE;
+
+ for (t = 1; t <= ts1[0]; ++t)
+ if (ts1[t] != ts2[t])
+ return FALSE;
+
+ return TRUE;
+}
+
+/*
+ * Copy a tabstop array, allocating space for the new array.
+ */
+ int *
+tabstop_copy(oldts)
+ int *oldts;
+{
+ int *newts;
+ int t;
+
+ if (oldts == 0)
+ return 0;
+
+ newts = (int *) alloc((unsigned) ((oldts[0] + 1) * sizeof(int)));
+ for (t = 0; t <= oldts[0]; ++t)
+ newts[t] = oldts[t];
+
+ return newts;
+}
+
+/*
+ * Return a count of the number of tabstops.
+ */
+ int
+tabstop_count(ts)
+ int *ts;
+{
+ return ts ? ts[0] : 0;
+}
+
+/*
+ * Return the first tabstop, or 8 if there are no tabstops defined.
+ */
+ int
+tabstop_first(ts)
+ int *ts;
+{
+ return ts ? ts[1] : 8;
+}
+
+#endif
+
/*
* Return the effective shiftwidth value for current buffer, using the
* 'tabstop' value when 'shiftwidth' is zero.
diff --git a/src/option.h b/src/option.h
--- a/src/option.h
+++ b/src/option.h
@@ -1034,6 +1034,10 @@ enum
, BV_UDF
, BV_UL
, BV_WM
+#ifdef FEAT_VARTABS
+ , BV_VSTS
+ , BV_VTS
+#endif
, BV_COUNT /* must be the last one */
};
diff --git a/src/proto/option.pro b/src/proto/option.pro
--- a/src/proto/option.pro
+++ b/src/proto/option.pro
@@ -59,6 +59,17 @@ int can_bs __ARGS((int what));
void save_file_ff __ARGS((buf_T *buf));
int file_ff_differs __ARGS((buf_T *buf, int ignore_empty));
int check_ff_value __ARGS((char_u *p));
+#ifdef FEAT_VARTABS
+int tabstop_set __ARGS((char_u *var, int **array));
+int tabstop_padding __ARGS((colnr_T col, int ts, int *vts));
+colnr_T tabstop_start __ARGS((colnr_T col, int ts, int *vts));
+int tabstop_at __ARGS((colnr_T col, int ts, int *vts));
+void tabstop_fromto __ARGS((colnr_T start_col, colnr_T end_col, int ts, int *vts, int *ntabs, int *nspcs));
+int tabstop_eq __ARGS((int *ts1, int *ts2));
+int *tabstop_copy __ARGS((int *oldts));
+int tabstop_count __ARGS((int *ts));
+int tabstop_first __ARGS((int *ts));
+#endif
long get_sw_value __ARGS((buf_T *buf));
long get_sts_value __ARGS((void));
void find_mps_values __ARGS((int *initc, int *findc, int *backwards, int switchit));
diff --git a/src/screen.c b/src/screen.c
--- a/src/screen.c
+++ b/src/screen.c
@@ -4501,6 +4501,13 @@ win_line(wp, lnum, startrow, endrow, noc
/* tab amount depends on current column */
tab_len = (int)wp->w_buffer->b_p_ts
- vcol % (int)wp->w_buffer->b_p_ts - 1;
+#ifdef FEAT_VARTABS
+ tab_len = tabstop_padding(vcol, wp->w_buffer->b_p_ts,
+ wp->w_buffer->b_p_vts_ary) - 1;
+#else
+ tab_len = (int)wp->w_buffer->b_p_ts
+ - vcol % (int)wp->w_buffer->b_p_ts - 1;
+#endif
#ifdef FEAT_LINEBREAK
if (!wp->w_p_lbr || !wp->w_p_list)
#endif
diff --git a/src/structs.h b/src/structs.h
--- a/src/structs.h
+++ b/src/structs.h
@@ -1641,6 +1641,13 @@ struct file_buffer
long b_p_wm; /* 'wrapmargin' */
long b_p_wm_nobin; /* b_p_wm saved for binary mode */
long b_p_wm_nopaste; /* b_p_wm saved for paste mode */
+#ifdef FEAT_VARTABS
+ char_u *b_p_vsts; /* 'varsofttabstop' */
+ int *b_p_vsts_ary; /* 'varsofttabstop' in internal format */
+ char_u *b_p_vsts_nopaste; /* b_p_vsts saved for paste mode */
+ char_u *b_p_vts; /* 'vartabstop' */
+ int *b_p_vts_ary; /* 'vartabstop' in internal format */
+#endif
#ifdef FEAT_KEYMAP
char_u *b_p_keymap; /* 'keymap' */
#endif
diff --git a/src/testdir/Make_amiga.mak b/src/testdir/Make_amiga.mak
--- a/src/testdir/Make_amiga.mak
+++ b/src/testdir/Make_amiga.mak
@@ -157,6 +157,7 @@ test92.out: test92.in
test93.out: test93.in
test94.out: test94.in
test95.out: test95.in
+test100.out: test100.in
test96.out: test96.in
test97.out: test97.in
test98.out: test98.in
@@ -170,6 +171,7 @@ test105.out: test105.in
test106.out: test106.in
test107.out: test107.in
test_autoformat_join.out: test_autoformat_join.in
+test_vartabs.out: test_vartabs.in
test_breakindent.out: test_breakindent.in
test_changelist.out: test_changelist.in
test_eval.out: test_eval.in
diff --git a/src/testdir/Make_dos.mak b/src/testdir/Make_dos.mak
--- a/src/testdir/Make_dos.mak
+++ b/src/testdir/Make_dos.mak
@@ -36,6 +36,7 @@ SCRIPTS = test3.out test4.out test5.out
test100.out test101.out test102.out test103.out test104.out \
test105.out test106.out test107.out\
test_autoformat_join.out \
+ teset_vartabs.out \
test_breakindent.out \
test_changelist.out \
test_eval.out \
diff --git a/src/testdir/Make_ming.mak b/src/testdir/Make_ming.mak
--- a/src/testdir/Make_ming.mak
+++ b/src/testdir/Make_ming.mak
@@ -56,6 +56,7 @@ SCRIPTS = test3.out test4.out test5.out
test100.out test101.out test102.out test103.out test104.out \
test105.out test106.out test107.out \
test_autoformat_join.out \
+ test_vartabs.out \
test_breakindent.out \
test_changelist.out \
test_eval.out \
diff --git a/src/testdir/Make_os2.mak b/src/testdir/Make_os2.mak
--- a/src/testdir/Make_os2.mak
+++ b/src/testdir/Make_os2.mak
@@ -38,6 +38,7 @@ SCRIPTS = test1.out test3.out test4.out
test100.out test101.out test102.out test103.out test104.out \
test105.out test106.out test107.out \
test_autoformat_join.out \
+ test_vartabs.out \
test_breakindent.out \
test_changelist.out \
test_eval.out \
diff --git a/src/testdir/Make_vms.mms b/src/testdir/Make_vms.mms
--- a/src/testdir/Make_vms.mms
+++ b/src/testdir/Make_vms.mms
@@ -103,6 +103,7 @@ SCRIPT = test1.out test2.out test3.out
test_insertcount.out \
test_listlbr.out \
test_listlbr_utf8.out \
+ test_vartabs.out \
test_options.out \
test_qf_title.out \
test_utf8.out
diff --git a/src/testdir/Makefile b/src/testdir/Makefile
--- a/src/testdir/Makefile
+++ b/src/testdir/Makefile
@@ -34,6 +34,7 @@ SCRIPTS = test1.out test2.out test3.out
test99.out test100.out test101.out test102.out test103.out \
test104.out test105.out test106.out test107.out \
test_autoformat_join.out \
+ test_vartabs.out \
test_breakindent.out \
test_changelist.out \
test_eval.out \
diff --git a/src/version.c b/src/version.c
--- a/src/version.c
+++ b/src/version.c
@@ -639,6 +639,11 @@ static char *(features[]) =
#else
"-user_commands",
#endif
+#ifdef FEAT_VARTABS
+ "+vartabs",
+#else
+ "-vartabs",
+#endif
#ifdef FEAT_VERTSPLIT
"+vertsplit",
#else
@@ -1571,6 +1576,10 @@ static int included_patches[] =
static char *(extra_patches[]) =
{ /* Add your patch description below this line */
/**/
+#ifdef FEAT_VARTABS
+ "variable tabstops",
+#endif
+/**/
NULL
};
diff --git a/src/workshop.c b/src/workshop.c
--- a/src/workshop.c
+++ b/src/workshop.c
@@ -50,7 +50,11 @@ static void load_window(char *, int lnu
static void warp_to_pc(int);
#ifdef FEAT_BEVAL
void workshop_beval_cb(BalloonEval *, int);
+# ifdef FEAT_VARTABS
+static int computeIndex(int, char_u *, int, int *);
+# else
static int computeIndex(int, char_u *, int);
+# endif
#endif
static char *fixAccelText(char *);
static void addMenu(char *, char *, char *);
@@ -1537,7 +1541,11 @@ workshop_beval_cb(
* a column number. Compute the index from col. Also set
* line to 0 because thats what dbx expects.
*/
+#ifdef FEAT_VARTABS
+ idx = computeIndex(col, text, beval->ts, beval->vts);
+#else
idx = computeIndex(col, text, beval->ts);
+#endif
if (idx > 0)
{
lnum = 0;
@@ -1572,7 +1580,11 @@ workshop_beval_cb(
computeIndex(
int wantedCol,
char_u *line,
- int ts)
+ int ts
+#ifdef FEAT_VARTABS
+ int *vts
+#else
+ )
{
int col = 0;
int idx = 0;
@@ -1580,7 +1592,11 @@ computeIndex(
while (line[idx])
{
if (line[idx] == '\t')
+#ifdef FEAT_VARTABS
+ col += tabstop_padding(col, ts, vts);
+#else
col += ts - (col % ts);
+#endif
else
col++;
idx++;
