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mark.c
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mark.c
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/* vi:set ts=8 sts=4 sw=4:
*
* VIM - Vi IMproved by Bram Moolenaar
*
* Do ":help uganda" in Vim to read copying and usage conditions.
* Do ":help credits" in Vim to see a list of people who contributed.
* See README.txt for an overview of the Vim source code.
*/
/*
* mark.c: functions for setting marks and jumping to them
*/
#include "vim.h"
/*
* This file contains routines to maintain and manipulate marks.
*/
/*
* If a named file mark's lnum is non-zero, it is valid.
* If a named file mark's fnum is non-zero, it is for an existing buffer,
* otherwise it is from .viminfo and namedfm[n].fname is the file name.
* There are marks 'A - 'Z (set by user) and '0 to '9 (set when writing
* viminfo).
*/
#define EXTRA_MARKS 10 /* marks 0-9 */
static xfmark_T namedfm[NMARKS + EXTRA_MARKS]; /* marks with file nr */
static void fname2fnum __ARGS((xfmark_T *fm));
static void fmarks_check_one __ARGS((xfmark_T *fm, char_u *name, buf_T *buf));
static char_u *mark_line __ARGS((pos_T *mp, int lead_len));
static void show_one_mark __ARGS((int, char_u *, pos_T *, char_u *, int current));
#ifdef FEAT_JUMPLIST
static void cleanup_jumplist __ARGS((void));
#endif
#ifdef FEAT_VIMINFO
static void write_one_filemark __ARGS((FILE *fp, xfmark_T *fm, int c1, int c2));
#endif
/*
* Set named mark "c" at current cursor position.
* Returns OK on success, FAIL if bad name given.
*/
int
setmark(c)
int c;
{
return setmark_pos(c, &curwin->w_cursor, curbuf->b_fnum);
}
/*
* Set named mark "c" to position "pos".
* When "c" is upper case use file "fnum".
* Returns OK on success, FAIL if bad name given.
*/
int
setmark_pos(c, pos, fnum)
int c;
pos_T *pos;
int fnum;
{
int i;
/* Check for a special key (may cause islower() to crash). */
if (c < 0)
return FAIL;
if (c == '\'' || c == '`')
{
if (pos == &curwin->w_cursor)
{
setpcmark();
/* keep it even when the cursor doesn't move */
curwin->w_prev_pcmark = curwin->w_pcmark;
}
else
curwin->w_pcmark = *pos;
return OK;
}
/* Allow setting '[ and '] for an autocommand that simulates reading a
* file. */
if (c == '[')
{
curbuf->b_op_start = *pos;
return OK;
}
if (c == ']')
{
curbuf->b_op_end = *pos;
return OK;
}
#ifndef EBCDIC
if (c > 'z') /* some islower() and isupper() cannot handle
characters above 127 */
return FAIL;
#endif
if (islower(c))
{
i = c - 'a';
curbuf->b_namedm[i] = *pos;
return OK;
}
if (isupper(c))
{
i = c - 'A';
namedfm[i].fmark.mark = *pos;
namedfm[i].fmark.fnum = fnum;
vim_free(namedfm[i].fname);
namedfm[i].fname = NULL;
return OK;
}
return FAIL;
}
/*
* Set the previous context mark to the current position and add it to the
* jump list.
*/
void
setpcmark()
{
#ifdef FEAT_JUMPLIST
int i;
xfmark_T *fm;
#endif
#ifdef JUMPLIST_ROTATE
xfmark_T tempmark;
#endif
/* for :global the mark is set only once */
if (global_busy || listcmd_busy || cmdmod.keepjumps)
return;
curwin->w_prev_pcmark = curwin->w_pcmark;
curwin->w_pcmark = curwin->w_cursor;
#ifdef FEAT_JUMPLIST
# ifdef JUMPLIST_ROTATE
/*
* If last used entry is not at the top, put it at the top by rotating
* the stack until it is (the newer entries will be at the bottom).
* Keep one entry (the last used one) at the top.
*/
if (curwin->w_jumplistidx < curwin->w_jumplistlen)
++curwin->w_jumplistidx;
while (curwin->w_jumplistidx < curwin->w_jumplistlen)
{
tempmark = curwin->w_jumplist[curwin->w_jumplistlen - 1];
for (i = curwin->w_jumplistlen - 1; i > 0; --i)
curwin->w_jumplist[i] = curwin->w_jumplist[i - 1];
curwin->w_jumplist[0] = tempmark;
++curwin->w_jumplistidx;
}
# endif
/* If jumplist is full: remove oldest entry */
if (++curwin->w_jumplistlen > JUMPLISTSIZE)
{
curwin->w_jumplistlen = JUMPLISTSIZE;
vim_free(curwin->w_jumplist[0].fname);
for (i = 1; i < JUMPLISTSIZE; ++i)
curwin->w_jumplist[i - 1] = curwin->w_jumplist[i];
}
curwin->w_jumplistidx = curwin->w_jumplistlen;
fm = &curwin->w_jumplist[curwin->w_jumplistlen - 1];
fm->fmark.mark = curwin->w_pcmark;
fm->fmark.fnum = curbuf->b_fnum;
fm->fname = NULL;
#endif
}
/*
* To change context, call setpcmark(), then move the current position to
* where ever, then call checkpcmark(). This ensures that the previous
* context will only be changed if the cursor moved to a different line.
* If pcmark was deleted (with "dG") the previous mark is restored.
*/
void
checkpcmark()
{
if (curwin->w_prev_pcmark.lnum != 0
&& (equalpos(curwin->w_pcmark, curwin->w_cursor)
|| curwin->w_pcmark.lnum == 0))
{
curwin->w_pcmark = curwin->w_prev_pcmark;
curwin->w_prev_pcmark.lnum = 0; /* Show it has been checked */
}
}
#if defined(FEAT_JUMPLIST) || defined(PROTO)
/*
* move "count" positions in the jump list (count may be negative)
*/
pos_T *
movemark(count)
int count;
{
pos_T *pos;
xfmark_T *jmp;
cleanup_jumplist();
if (curwin->w_jumplistlen == 0) /* nothing to jump to */
return (pos_T *)NULL;
for (;;)
{
if (curwin->w_jumplistidx + count < 0
|| curwin->w_jumplistidx + count >= curwin->w_jumplistlen)
return (pos_T *)NULL;
/*
* if first CTRL-O or CTRL-I command after a jump, add cursor position
* to list. Careful: If there are duplicates (CTRL-O immediately after
* starting Vim on a file), another entry may have been removed.
*/
if (curwin->w_jumplistidx == curwin->w_jumplistlen)
{
setpcmark();
--curwin->w_jumplistidx; /* skip the new entry */
if (curwin->w_jumplistidx + count < 0)
return (pos_T *)NULL;
}
curwin->w_jumplistidx += count;
jmp = curwin->w_jumplist + curwin->w_jumplistidx;
if (jmp->fmark.fnum == 0)
fname2fnum(jmp);
if (jmp->fmark.fnum != curbuf->b_fnum)
{
/* jump to other file */
if (buflist_findnr(jmp->fmark.fnum) == NULL)
{ /* Skip this one .. */
count += count < 0 ? -1 : 1;
continue;
}
if (buflist_getfile(jmp->fmark.fnum, jmp->fmark.mark.lnum,
0, FALSE) == FAIL)
return (pos_T *)NULL;
/* Set lnum again, autocommands my have changed it */
curwin->w_cursor = jmp->fmark.mark;
pos = (pos_T *)-1;
}
else
pos = &(jmp->fmark.mark);
return pos;
}
}
/*
* Move "count" positions in the changelist (count may be negative).
*/
pos_T *
movechangelist(count)
int count;
{
int n;
if (curbuf->b_changelistlen == 0) /* nothing to jump to */
return (pos_T *)NULL;
n = curwin->w_changelistidx;
if (n + count < 0)
{
if (n == 0)
return (pos_T *)NULL;
n = 0;
}
else if (n + count >= curbuf->b_changelistlen)
{
if (n == curbuf->b_changelistlen - 1)
return (pos_T *)NULL;
n = curbuf->b_changelistlen - 1;
}
else
n += count;
curwin->w_changelistidx = n;
return curbuf->b_changelist + n;
}
#endif
/*
* Find mark "c".
* If "changefile" is TRUE it's allowed to edit another file for '0, 'A, etc.
* If "fnum" is not NULL store the fnum there for '0, 'A etc., don't edit
* another file.
* Returns:
* - pointer to pos_T if found. lnum is 0 when mark not set, -1 when mark is
* in another file which can't be gotten. (caller needs to check lnum!)
* - NULL if there is no mark called 'c'.
* - -1 if mark is in other file and jumped there (only if changefile is TRUE)
*/
pos_T *
getmark(c, changefile)
int c;
int changefile;
{
return getmark_fnum(c, changefile, NULL);
}
pos_T *
getmark_fnum(c, changefile, fnum)
int c;
int changefile;
int *fnum;
{
pos_T *posp;
#ifdef FEAT_VISUAL
pos_T *startp, *endp;
#endif
static pos_T pos_copy;
posp = NULL;
/* Check for special key, can't be a mark name and might cause islower()
* to crash. */
if (c < 0)
return posp;
#ifndef EBCDIC
if (c > '~') /* check for islower()/isupper() */
;
else
#endif
if (c == '\'' || c == '`') /* previous context mark */
{
pos_copy = curwin->w_pcmark; /* need to make a copy because */
posp = &pos_copy; /* w_pcmark may be changed soon */
}
else if (c == '"') /* to pos when leaving buffer */
posp = &(curbuf->b_last_cursor);
else if (c == '^') /* to where Insert mode stopped */
posp = &(curbuf->b_last_insert);
else if (c == '.') /* to where last change was made */
posp = &(curbuf->b_last_change);
else if (c == '[') /* to start of previous operator */
posp = &(curbuf->b_op_start);
else if (c == ']') /* to end of previous operator */
posp = &(curbuf->b_op_end);
else if (c == '{' || c == '}') /* to previous/next paragraph */
{
pos_T pos;
oparg_T oa;
int slcb = listcmd_busy;
pos = curwin->w_cursor;
listcmd_busy = TRUE; /* avoid that '' is changed */
if (findpar(&oa.inclusive,
c == '}' ? FORWARD : BACKWARD, 1L, NUL, FALSE))
{
pos_copy = curwin->w_cursor;
posp = &pos_copy;
}
curwin->w_cursor = pos;
listcmd_busy = slcb;
}
else if (c == '(' || c == ')') /* to previous/next sentence */
{
pos_T pos;
int slcb = listcmd_busy;
pos = curwin->w_cursor;
listcmd_busy = TRUE; /* avoid that '' is changed */
if (findsent(c == ')' ? FORWARD : BACKWARD, 1L))
{
pos_copy = curwin->w_cursor;
posp = &pos_copy;
}
curwin->w_cursor = pos;
listcmd_busy = slcb;
}
#ifdef FEAT_VISUAL
else if (c == '<' || c == '>') /* start/end of visual area */
{
startp = &curbuf->b_visual.vi_start;
endp = &curbuf->b_visual.vi_end;
if ((c == '<') == lt(*startp, *endp))
posp = startp;
else
posp = endp;
/*
* For Visual line mode, set mark at begin or end of line
*/
if (curbuf->b_visual.vi_mode == 'V')
{
pos_copy = *posp;
posp = &pos_copy;
if (c == '<')
pos_copy.col = 0;
else
pos_copy.col = MAXCOL;
#ifdef FEAT_VIRTUALEDIT
pos_copy.coladd = 0;
#endif
}
}
#endif
else if (ASCII_ISLOWER(c)) /* normal named mark */
{
posp = &(curbuf->b_namedm[c - 'a']);
}
else if (ASCII_ISUPPER(c) || VIM_ISDIGIT(c)) /* named file mark */
{
if (VIM_ISDIGIT(c))
c = c - '0' + NMARKS;
else
c -= 'A';
posp = &(namedfm[c].fmark.mark);
if (namedfm[c].fmark.fnum == 0)
fname2fnum(&namedfm[c]);
if (fnum != NULL)
*fnum = namedfm[c].fmark.fnum;
else if (namedfm[c].fmark.fnum != curbuf->b_fnum)
{
/* mark is in another file */
posp = &pos_copy;
if (namedfm[c].fmark.mark.lnum != 0
&& changefile && namedfm[c].fmark.fnum)
{
if (buflist_getfile(namedfm[c].fmark.fnum,
(linenr_T)1, GETF_SETMARK, FALSE) == OK)
{
/* Set the lnum now, autocommands could have changed it */
curwin->w_cursor = namedfm[c].fmark.mark;
return (pos_T *)-1;
}
pos_copy.lnum = -1; /* can't get file */
}
else
pos_copy.lnum = 0; /* mark exists, but is not valid in
current buffer */
}
}
return posp;
}
/*
* Search for the next named mark in the current file.
*
* Returns pointer to pos_T of the next mark or NULL if no mark is found.
*/
pos_T *
getnextmark(startpos, dir, begin_line)
pos_T *startpos; /* where to start */
int dir; /* direction for search */
int begin_line;
{
int i;
pos_T *result = NULL;
pos_T pos;
pos = *startpos;
/* When searching backward and leaving the cursor on the first non-blank,
* position must be in a previous line.
* When searching forward and leaving the cursor on the first non-blank,
* position must be in a next line. */
if (dir == BACKWARD && begin_line)
pos.col = 0;
else if (dir == FORWARD && begin_line)
pos.col = MAXCOL;
for (i = 0; i < NMARKS; i++)
{
if (curbuf->b_namedm[i].lnum > 0)
{
if (dir == FORWARD)
{
if ((result == NULL || lt(curbuf->b_namedm[i], *result))
&& lt(pos, curbuf->b_namedm[i]))
result = &curbuf->b_namedm[i];
}
else
{
if ((result == NULL || lt(*result, curbuf->b_namedm[i]))
&& lt(curbuf->b_namedm[i], pos))
result = &curbuf->b_namedm[i];
}
}
}
return result;
}
/*
* For an xtended filemark: set the fnum from the fname.
* This is used for marks obtained from the .viminfo file. It's postponed
* until the mark is used to avoid a long startup delay.
*/
static void
fname2fnum(fm)
xfmark_T *fm;
{
char_u *p;
if (fm->fname != NULL)
{
/*
* First expand "~/" in the file name to the home directory.
* Try to shorten the file name.
*/
expand_env(fm->fname, NameBuff, MAXPATHL);
mch_dirname(IObuff, IOSIZE);
p = shorten_fname(NameBuff, IObuff);
/* buflist_new() will call fmarks_check_names() */
(void)buflist_new(NameBuff, p, (linenr_T)1, 0);
}
}
/*
* Check all file marks for a name that matches the file name in buf.
* May replace the name with an fnum.
* Used for marks that come from the .viminfo file.
*/
void
fmarks_check_names(buf)
buf_T *buf;
{
char_u *name;
int i;
#ifdef FEAT_JUMPLIST
win_T *wp;
#endif
if (buf->b_ffname == NULL)
return;
name = home_replace_save(buf, buf->b_ffname);
if (name == NULL)
return;
for (i = 0; i < NMARKS + EXTRA_MARKS; ++i)
fmarks_check_one(&namedfm[i], name, buf);
#ifdef FEAT_JUMPLIST
FOR_ALL_WINDOWS(wp)
{
for (i = 0; i < wp->w_jumplistlen; ++i)
fmarks_check_one(&wp->w_jumplist[i], name, buf);
}
#endif
vim_free(name);
}
static void
fmarks_check_one(fm, name, buf)
xfmark_T *fm;
char_u *name;
buf_T *buf;
{
if (fm->fmark.fnum == 0
&& fm->fname != NULL
&& fnamecmp(name, fm->fname) == 0)
{
fm->fmark.fnum = buf->b_fnum;
vim_free(fm->fname);
fm->fname = NULL;
}
}
/*
* Check a if a position from a mark is valid.
* Give and error message and return FAIL if not.
*/
int
check_mark(pos)
pos_T *pos;
{
if (pos == NULL)
{
EMSG(_(e_umark));
return FAIL;
}
if (pos->lnum <= 0)
{
/* lnum is negative if mark is in another file can can't get that
* file, error message already give then. */
if (pos->lnum == 0)
EMSG(_(e_marknotset));
return FAIL;
}
if (pos->lnum > curbuf->b_ml.ml_line_count)
{
EMSG(_(e_markinval));
return FAIL;
}
return OK;
}
/*
* clrallmarks() - clear all marks in the buffer 'buf'
*
* Used mainly when trashing the entire buffer during ":e" type commands
*/
void
clrallmarks(buf)
buf_T *buf;
{
static int i = -1;
if (i == -1) /* first call ever: initialize */
for (i = 0; i < NMARKS + 1; i++)
{
namedfm[i].fmark.mark.lnum = 0;
namedfm[i].fname = NULL;
}
for (i = 0; i < NMARKS; i++)
buf->b_namedm[i].lnum = 0;
buf->b_op_start.lnum = 0; /* start/end op mark cleared */
buf->b_op_end.lnum = 0;
buf->b_last_cursor.lnum = 1; /* '" mark cleared */
buf->b_last_cursor.col = 0;
#ifdef FEAT_VIRTUALEDIT
buf->b_last_cursor.coladd = 0;
#endif
buf->b_last_insert.lnum = 0; /* '^ mark cleared */
buf->b_last_change.lnum = 0; /* '. mark cleared */
#ifdef FEAT_JUMPLIST
buf->b_changelistlen = 0;
#endif
}
/*
* Get name of file from a filemark.
* When it's in the current buffer, return the text at the mark.
* Returns an allocated string.
*/
char_u *
fm_getname(fmark, lead_len)
fmark_T *fmark;
int lead_len;
{
if (fmark->fnum == curbuf->b_fnum) /* current buffer */
return mark_line(&(fmark->mark), lead_len);
return buflist_nr2name(fmark->fnum, FALSE, TRUE);
}
/*
* Return the line at mark "mp". Truncate to fit in window.
* The returned string has been allocated.
*/
static char_u *
mark_line(mp, lead_len)
pos_T *mp;
int lead_len;
{
char_u *s, *p;
int len;
if (mp->lnum == 0 || mp->lnum > curbuf->b_ml.ml_line_count)
return vim_strsave((char_u *)"-invalid-");
s = vim_strnsave(skipwhite(ml_get(mp->lnum)), (int)Columns);
if (s == NULL)
return NULL;
/* Truncate the line to fit it in the window */
len = 0;
for (p = s; *p != NUL; mb_ptr_adv(p))
{
len += ptr2cells(p);
if (len >= Columns - lead_len)
break;
}
*p = NUL;
return s;
}
/*
* print the marks
*/
void
do_marks(eap)
exarg_T *eap;
{
char_u *arg = eap->arg;
int i;
char_u *name;
if (arg != NULL && *arg == NUL)
arg = NULL;
show_one_mark('\'', arg, &curwin->w_pcmark, NULL, TRUE);
for (i = 0; i < NMARKS; ++i)
show_one_mark(i + 'a', arg, &curbuf->b_namedm[i], NULL, TRUE);
for (i = 0; i < NMARKS + EXTRA_MARKS; ++i)
{
if (namedfm[i].fmark.fnum != 0)
name = fm_getname(&namedfm[i].fmark, 15);
else
name = namedfm[i].fname;
if (name != NULL)
{
show_one_mark(i >= NMARKS ? i - NMARKS + '0' : i + 'A',
arg, &namedfm[i].fmark.mark, name,
namedfm[i].fmark.fnum == curbuf->b_fnum);
if (namedfm[i].fmark.fnum != 0)
vim_free(name);
}
}
show_one_mark('"', arg, &curbuf->b_last_cursor, NULL, TRUE);
show_one_mark('[', arg, &curbuf->b_op_start, NULL, TRUE);
show_one_mark(']', arg, &curbuf->b_op_end, NULL, TRUE);
show_one_mark('^', arg, &curbuf->b_last_insert, NULL, TRUE);
show_one_mark('.', arg, &curbuf->b_last_change, NULL, TRUE);
#ifdef FEAT_VISUAL
show_one_mark('<', arg, &curbuf->b_visual.vi_start, NULL, TRUE);
show_one_mark('>', arg, &curbuf->b_visual.vi_end, NULL, TRUE);
#endif
show_one_mark(-1, arg, NULL, NULL, FALSE);
}
static void
show_one_mark(c, arg, p, name, current)
int c;
char_u *arg;
pos_T *p;
char_u *name;
int current; /* in current file */
{
static int did_title = FALSE;
int mustfree = FALSE;
if (c == -1) /* finish up */
{
if (did_title)
did_title = FALSE;
else
{
if (arg == NULL)
MSG(_("No marks set"));
else
EMSG2(_("E283: No marks matching \"%s\""), arg);
}
}
/* don't output anything if 'q' typed at --more-- prompt */
else if (!got_int
&& (arg == NULL || vim_strchr(arg, c) != NULL)
&& p->lnum != 0)
{
if (!did_title)
{
/* Highlight title */
MSG_PUTS_TITLE(_("\nmark line col file/text"));
did_title = TRUE;
}
msg_putchar('\n');
if (!got_int)
{
sprintf((char *)IObuff, " %c %6ld %4d ", c, p->lnum, p->col);
msg_outtrans(IObuff);
if (name == NULL && current)
{
name = mark_line(p, 15);
mustfree = TRUE;
}
if (name != NULL)
{
msg_outtrans_attr(name, current ? hl_attr(HLF_D) : 0);
if (mustfree)
vim_free(name);
}
}
out_flush(); /* show one line at a time */
}
}
/*
* ":delmarks[!] [marks]"
*/
void
ex_delmarks(eap)
exarg_T *eap;
{
char_u *p;
int from, to;
int i;
int lower;
int digit;
int n;
if (*eap->arg == NUL && eap->forceit)
/* clear all marks */
clrallmarks(curbuf);
else if (eap->forceit)
EMSG(_(e_invarg));
else if (*eap->arg == NUL)
EMSG(_(e_argreq));
else
{
/* clear specified marks only */
for (p = eap->arg; *p != NUL; ++p)
{
lower = ASCII_ISLOWER(*p);
digit = VIM_ISDIGIT(*p);
if (lower || digit || ASCII_ISUPPER(*p))
{
if (p[1] == '-')
{
/* clear range of marks */
from = *p;
to = p[2];
if (!(lower ? ASCII_ISLOWER(p[2])
: (digit ? VIM_ISDIGIT(p[2])
: ASCII_ISUPPER(p[2])))
|| to < from)
{
EMSG2(_(e_invarg2), p);
return;
}
p += 2;
}
else
/* clear one lower case mark */
from = to = *p;
for (i = from; i <= to; ++i)
{
if (lower)
curbuf->b_namedm[i - 'a'].lnum = 0;
else
{
if (digit)
n = i - '0' + NMARKS;
else
n = i - 'A';
namedfm[n].fmark.mark.lnum = 0;
vim_free(namedfm[n].fname);
namedfm[n].fname = NULL;
}
}
}
else
switch (*p)
{
case '"': curbuf->b_last_cursor.lnum = 0; break;
case '^': curbuf->b_last_insert.lnum = 0; break;
case '.': curbuf->b_last_change.lnum = 0; break;
case '[': curbuf->b_op_start.lnum = 0; break;
case ']': curbuf->b_op_end.lnum = 0; break;
#ifdef FEAT_VISUAL
case '<': curbuf->b_visual.vi_start.lnum = 0; break;
case '>': curbuf->b_visual.vi_end.lnum = 0; break;
#endif
case ' ': break;
default: EMSG2(_(e_invarg2), p);
return;
}
}
}
}
#if defined(FEAT_JUMPLIST) || defined(PROTO)
/*
* print the jumplist
*/
/*ARGSUSED*/
void
ex_jumps(eap)
exarg_T *eap;
{
int i;
char_u *name;
cleanup_jumplist();
/* Highlight title */
MSG_PUTS_TITLE(_("\n jump line col file/text"));
for (i = 0; i < curwin->w_jumplistlen && !got_int; ++i)
{
if (curwin->w_jumplist[i].fmark.mark.lnum != 0)
{
if (curwin->w_jumplist[i].fmark.fnum == 0)
fname2fnum(&curwin->w_jumplist[i]);
name = fm_getname(&curwin->w_jumplist[i].fmark, 16);
if (name == NULL) /* file name not available */
continue;
msg_putchar('\n');
if (got_int)
break;
sprintf((char *)IObuff, "%c %2d %5ld %4d ",
i == curwin->w_jumplistidx ? '>' : ' ',
i > curwin->w_jumplistidx ? i - curwin->w_jumplistidx
: curwin->w_jumplistidx - i,
curwin->w_jumplist[i].fmark.mark.lnum,
curwin->w_jumplist[i].fmark.mark.col);
msg_outtrans(IObuff);
msg_outtrans_attr(name,
curwin->w_jumplist[i].fmark.fnum == curbuf->b_fnum
? hl_attr(HLF_D) : 0);
vim_free(name);
ui_breakcheck();
}
out_flush();
}
if (curwin->w_jumplistidx == curwin->w_jumplistlen)
MSG_PUTS("\n>");
}
/*
* print the changelist
*/
/*ARGSUSED*/
void
ex_changes(eap)
exarg_T *eap;
{
int i;
char_u *name;
/* Highlight title */
MSG_PUTS_TITLE(_("\nchange line col text"));
for (i = 0; i < curbuf->b_changelistlen && !got_int; ++i)
{
if (curbuf->b_changelist[i].lnum != 0)
{
msg_putchar('\n');
if (got_int)
break;
sprintf((char *)IObuff, "%c %3d %5ld %4d ",
i == curwin->w_changelistidx ? '>' : ' ',
i > curwin->w_changelistidx ? i - curwin->w_changelistidx
: curwin->w_changelistidx - i,
(long)curbuf->b_changelist[i].lnum,
curbuf->b_changelist[i].col);
msg_outtrans(IObuff);
name = mark_line(&curbuf->b_changelist[i], 17);
if (name == NULL)
break;
msg_outtrans_attr(name, hl_attr(HLF_D));
vim_free(name);
ui_breakcheck();
}
out_flush();
}
if (curwin->w_changelistidx == curbuf->b_changelistlen)
MSG_PUTS("\n>");
}
#endif
#define one_adjust(add) \
{ \
lp = add; \
if (*lp >= line1 && *lp <= line2) \
{ \
if (amount == MAXLNUM) \
*lp = 0; \
else \
*lp += amount; \
} \
else if (amount_after && *lp > line2) \
*lp += amount_after; \
}
/* don't delete the line, just put at first deleted line */
#define one_adjust_nodel(add) \
{ \
lp = add; \
if (*lp >= line1 && *lp <= line2) \
{ \
if (amount == MAXLNUM) \
*lp = line1; \
else \
*lp += amount; \
} \
else if (amount_after && *lp > line2) \
*lp += amount_after; \
}
/*
* Adjust marks between line1 and line2 (inclusive) to move 'amount' lines.
* Must be called before changed_*(), appended_lines() or deleted_lines().
* May be called before or after changing the text.
* When deleting lines line1 to line2, use an 'amount' of MAXLNUM: The marks
* within this range are made invalid.
* If 'amount_after' is non-zero adjust marks after line2.
* Example: Delete lines 34 and 35: mark_adjust(34, 35, MAXLNUM, -2);
* Example: Insert two lines below 55: mark_adjust(56, MAXLNUM, 2, 0);
* or: mark_adjust(56, 55, MAXLNUM, 2);
*/
void
mark_adjust(line1, line2, amount, amount_after)
linenr_T line1;
linenr_T line2;
long amount;
long amount_after;
{
int i;
int fnum = curbuf->b_fnum;
linenr_T *lp;