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patch 8.1.0673: functionality for signs is spread out over several files

Problem:    Functionality for signs is spread out over several files.
Solution:   Move most of the sign functionality into sign.c. (Yegappan
            Lakshmanan, closes #3751)
This commit is contained in:
Bram Moolenaar
2019-01-01 13:20:31 +01:00
parent 9067cd6cdf
commit bbea47075c
21 changed files with 1957 additions and 1935 deletions

View File

@@ -5864,642 +5864,6 @@ win_found:
}
#endif
#if defined(FEAT_SIGNS) || defined(PROTO)
static hashtab_T sg_table; // sign group (signgroup_T) hashtable
static int next_sign_id = 1; // next sign id in the global group
/*
* Initialize data needed for managing signs
*/
void
init_signs(void)
{
hash_init(&sg_table); // sign group hash table
}
/*
* A new sign in group 'groupname' is added. If the group is not present,
* create it. Otherwise reference the group.
*/
static signgroup_T *
sign_group_ref(char_u *groupname)
{
hash_T hash;
hashitem_T *hi;
signgroup_T *group;
hash = hash_hash(groupname);
hi = hash_lookup(&sg_table, groupname, hash);
if (HASHITEM_EMPTY(hi))
{
// new group
group = (signgroup_T *)alloc(
(unsigned)(sizeof(signgroup_T) + STRLEN(groupname)));
if (group == NULL)
return NULL;
STRCPY(group->sg_name, groupname);
group->refcount = 1;
group->next_sign_id = 1;
hash_add_item(&sg_table, hi, group->sg_name, hash);
}
else
{
// existing group
group = HI2SG(hi);
group->refcount++;
}
return group;
}
/*
* A sign in group 'groupname' is removed. If all the signs in this group are
* removed, then remove the group.
*/
static void
sign_group_unref(char_u *groupname)
{
hashitem_T *hi;
signgroup_T *group;
hi = hash_find(&sg_table, groupname);
if (!HASHITEM_EMPTY(hi))
{
group = HI2SG(hi);
group->refcount--;
if (group->refcount == 0)
{
// All the signs in this group are removed
hash_remove(&sg_table, hi);
vim_free(group);
}
}
}
/*
* Get the next free sign identifier in the specified group
*/
int
sign_group_get_next_signid(buf_T *buf, char_u *groupname)
{
int id = 1;
signgroup_T *group = NULL;
signlist_T *sign;
hashitem_T *hi;
int found = FALSE;
if (groupname != NULL)
{
hi = hash_find(&sg_table, groupname);
if (HASHITEM_EMPTY(hi))
return id;
group = HI2SG(hi);
}
// Search for the next usuable sign identifier
while (!found)
{
if (group == NULL)
id = next_sign_id++; // global group
else
id = group->next_sign_id++;
// Check whether this sign is already placed in the buffer
found = TRUE;
FOR_ALL_SIGNS_IN_BUF(buf, sign)
{
if (id == sign->id && sign_in_group(sign, groupname))
{
found = FALSE; // sign identifier is in use
break;
}
}
}
return id;
}
/*
* Insert a new sign into the signlist for buffer 'buf' between the 'prev' and
* 'next' signs.
*/
static void
insert_sign(
buf_T *buf, // buffer to store sign in
signlist_T *prev, // previous sign entry
signlist_T *next, // next sign entry
int id, // sign ID
char_u *group, // sign group; NULL for global group
int prio, // sign priority
linenr_T lnum, // line number which gets the mark
int typenr) // typenr of sign we are adding
{
signlist_T *newsign;
newsign = (signlist_T *)lalloc_id((long_u)sizeof(signlist_T), FALSE,
aid_insert_sign);
if (newsign != NULL)
{
newsign->id = id;
newsign->lnum = lnum;
newsign->typenr = typenr;
if (group != NULL)
{
newsign->group = sign_group_ref(group);
if (newsign->group == NULL)
{
vim_free(newsign);
return;
}
}
else
newsign->group = NULL;
newsign->priority = prio;
newsign->next = next;
newsign->prev = prev;
if (next != NULL)
next->prev = newsign;
if (prev == NULL)
{
// When adding first sign need to redraw the windows to create the
// column for signs.
if (buf->b_signlist == NULL)
{
redraw_buf_later(buf, NOT_VALID);
changed_cline_bef_curs();
}
// first sign in signlist
buf->b_signlist = newsign;
#ifdef FEAT_NETBEANS_INTG
if (netbeans_active())
buf->b_has_sign_column = TRUE;
#endif
}
else
prev->next = newsign;
}
}
/*
* Insert a new sign sorted by line number and sign priority.
*/
static void
insert_sign_by_lnum_prio(
buf_T *buf, // buffer to store sign in
signlist_T *prev, // previous sign entry
int id, // sign ID
char_u *group, // sign group; NULL for global group
int prio, // sign priority
linenr_T lnum, // line number which gets the mark
int typenr) // typenr of sign we are adding
{
signlist_T *sign;
// keep signs sorted by lnum and by priority: insert new sign at
// the proper position in the list for this lnum.
while (prev != NULL && prev->lnum == lnum && prev->priority <= prio)
prev = prev->prev;
if (prev == NULL)
sign = buf->b_signlist;
else
sign = prev->next;
insert_sign(buf, prev, sign, id, group, prio, lnum, typenr);
}
/*
* Returns TRUE if 'sign' is in 'group'.
* A sign can either be in the global group (sign->group == NULL)
* or in a named group. If 'group' is '*', then the sign is part of the group.
*/
int
sign_in_group(signlist_T *sign, char_u *group)
{
return ((group != NULL && STRCMP(group, "*") == 0)
|| (group == NULL && sign->group == NULL)
|| (group != NULL && sign->group != NULL
&& STRCMP(group, sign->group->sg_name) == 0));
}
/*
* Return information about a sign in a Dict
*/
dict_T *
sign_get_info(signlist_T *sign)
{
dict_T *d;
if ((d = dict_alloc_id(aid_sign_getinfo)) == NULL)
return NULL;
dict_add_number(d, "id", sign->id);
dict_add_string(d, "group", (sign->group == NULL) ?
(char_u *)"" : sign->group->sg_name);
dict_add_number(d, "lnum", sign->lnum);
dict_add_string(d, "name", sign_typenr2name(sign->typenr));
dict_add_number(d, "priority", sign->priority);
return d;
}
/*
* Add the sign into the signlist. Find the right spot to do it though.
*/
void
buf_addsign(
buf_T *buf, // buffer to store sign in
int id, // sign ID
char_u *groupname, // sign group
int prio, // sign priority
linenr_T lnum, // line number which gets the mark
int typenr) // typenr of sign we are adding
{
signlist_T *sign; // a sign in the signlist
signlist_T *prev; // the previous sign
prev = NULL;
FOR_ALL_SIGNS_IN_BUF(buf, sign)
{
if (lnum == sign->lnum && id == sign->id &&
sign_in_group(sign, groupname))
{
// Update an existing sign
sign->typenr = typenr;
return;
}
else if (lnum < sign->lnum)
{
insert_sign_by_lnum_prio(buf, prev, id, groupname, prio,
lnum, typenr);
return;
}
prev = sign;
}
insert_sign_by_lnum_prio(buf, prev, id, groupname, prio, lnum, typenr);
return;
}
/*
* For an existing, placed sign "markId" change the type to "typenr".
* Returns the line number of the sign, or zero if the sign is not found.
*/
linenr_T
buf_change_sign_type(
buf_T *buf, // buffer to store sign in
int markId, // sign ID
char_u *group, // sign group
int typenr) // typenr of sign we are adding
{
signlist_T *sign; // a sign in the signlist
FOR_ALL_SIGNS_IN_BUF(buf, sign)
{
if (sign->id == markId && sign_in_group(sign, group))
{
sign->typenr = typenr;
return sign->lnum;
}
}
return (linenr_T)0;
}
/*
* Return the type number of the sign at line number 'lnum' in buffer 'buf'
* which has the attribute specifed by 'type'. Returns 0 if a sign is not found
* at the line number or it doesn't have the specified attribute.
*/
int
buf_getsigntype(
buf_T *buf,
linenr_T lnum,
int type) /* SIGN_ICON, SIGN_TEXT, SIGN_ANY, SIGN_LINEHL */
{
signlist_T *sign; /* a sign in a b_signlist */
FOR_ALL_SIGNS_IN_BUF(buf, sign)
if (sign->lnum == lnum
&& (type == SIGN_ANY
# ifdef FEAT_SIGN_ICONS
|| (type == SIGN_ICON
&& sign_get_image(sign->typenr) != NULL)
# endif
|| (type == SIGN_TEXT
&& sign_get_text(sign->typenr) != NULL)
|| (type == SIGN_LINEHL
&& sign_get_attr(sign->typenr, TRUE) != 0)))
return sign->typenr;
return 0;
}
/*
* Delete sign 'id' in group 'group' from buffer 'buf'.
* If 'id' is zero, then delete all the signs in group 'group'. Otherwise
* delete only the specified sign.
* If 'group' is '*', then delete the sign in all the groups. If 'group' is
* NULL, then delete the sign in the global group. Otherwise delete the sign in
* the specified group.
* Returns the line number of the deleted sign. If multiple signs are deleted,
* then returns the line number of the last sign deleted.
*/
linenr_T
buf_delsign(
buf_T *buf, // buffer sign is stored in
linenr_T atlnum, // sign at this line, 0 - at any line
int id, // sign id
char_u *group) // sign group
{
signlist_T **lastp; // pointer to pointer to current sign
signlist_T *sign; // a sign in a b_signlist
signlist_T *next; // the next sign in a b_signlist
linenr_T lnum; // line number whose sign was deleted
lastp = &buf->b_signlist;
lnum = 0;
for (sign = buf->b_signlist; sign != NULL; sign = next)
{
next = sign->next;
if ((id == 0 || sign->id == id) &&
(atlnum == 0 || sign->lnum == atlnum) &&
sign_in_group(sign, group))
{
*lastp = next;
if (next != NULL)
next->prev = sign->prev;
lnum = sign->lnum;
if (sign->group != NULL)
sign_group_unref(sign->group->sg_name);
vim_free(sign);
update_debug_sign(buf, lnum);
// Check whether only one sign needs to be deleted
// If deleting a sign with a specific identifer in a particular
// group or deleting any sign at a particular line number, delete
// only one sign.
if (group == NULL
|| (*group != '*' && id != 0)
|| (*group == '*' && atlnum != 0))
break;
}
else
lastp = &sign->next;
}
// When deleted the last sign need to redraw the windows to remove the
// sign column.
if (buf->b_signlist == NULL)
{
redraw_buf_later(buf, NOT_VALID);
changed_cline_bef_curs();
}
return lnum;
}
/*
* Find the line number of the sign with the requested id in group 'group'. If
* the sign does not exist, return 0 as the line number. This will still let
* the correct file get loaded.
*/
int
buf_findsign(
buf_T *buf, // buffer to store sign in
int id, // sign ID
char_u *group) // sign group
{
signlist_T *sign; // a sign in the signlist
FOR_ALL_SIGNS_IN_BUF(buf, sign)
if (sign->id == id && sign_in_group(sign, group))
return sign->lnum;
return 0;
}
/*
* Return the sign at line 'lnum' in buffer 'buf'. Returns NULL if a sign is
* not found at the line. If 'groupname' is NULL, searches in the global group.
*/
static signlist_T *
buf_getsign_at_line(
buf_T *buf, // buffer whose sign we are searching for
linenr_T lnum, // line number of sign
char_u *groupname) // sign group name
{
signlist_T *sign; // a sign in the signlist
FOR_ALL_SIGNS_IN_BUF(buf, sign)
if (sign->lnum == lnum && sign_in_group(sign, groupname))
return sign;
return NULL;
}
/*
* Return the sign with identifier 'id' in group 'group' placed in buffer 'buf'
*/
signlist_T *
buf_getsign_with_id(
buf_T *buf, // buffer whose sign we are searching for
int id, // sign identifier
char_u *group) // sign group
{
signlist_T *sign; // a sign in the signlist
FOR_ALL_SIGNS_IN_BUF(buf, sign)
if (sign->id == id && sign_in_group(sign, group))
return sign;
return NULL;
}
/*
* Return the identifier of the sign at line number 'lnum' in buffer 'buf'.
*/
int
buf_findsign_id(
buf_T *buf, // buffer whose sign we are searching for
linenr_T lnum, // line number of sign
char_u *groupname) // sign group name
{
signlist_T *sign; // a sign in the signlist
sign = buf_getsign_at_line(buf, lnum, groupname);
if (sign != NULL)
return sign->id;
return 0;
}
# if defined(FEAT_NETBEANS_INTG) || defined(PROTO)
/*
* See if a given type of sign exists on a specific line.
*/
int
buf_findsigntype_id(
buf_T *buf, /* buffer whose sign we are searching for */
linenr_T lnum, /* line number of sign */
int typenr) /* sign type number */
{
signlist_T *sign; /* a sign in the signlist */
FOR_ALL_SIGNS_IN_BUF(buf, sign)
if (sign->lnum == lnum && sign->typenr == typenr)
return sign->id;
return 0;
}
# if defined(FEAT_SIGN_ICONS) || defined(PROTO)
/*
* Return the number of icons on the given line.
*/
int
buf_signcount(buf_T *buf, linenr_T lnum)
{
signlist_T *sign; // a sign in the signlist
int count = 0;
FOR_ALL_SIGNS_IN_BUF(buf, sign)
if (sign->lnum == lnum)
if (sign_get_image(sign->typenr) != NULL)
count++;
return count;
}
# endif /* FEAT_SIGN_ICONS */
# endif /* FEAT_NETBEANS_INTG */
/*
* Delete signs in group 'group' in buffer "buf". If 'group' is '*', then
* delete all the signs.
*/
void
buf_delete_signs(buf_T *buf, char_u *group)
{
signlist_T *sign;
signlist_T **lastp; // pointer to pointer to current sign
signlist_T *next;
// When deleting the last sign need to redraw the windows to remove the
// sign column. Not when curwin is NULL (this means we're exiting).
if (buf->b_signlist != NULL && curwin != NULL)
{
redraw_buf_later(buf, NOT_VALID);
changed_cline_bef_curs();
}
lastp = &buf->b_signlist;
for (sign = buf->b_signlist; sign != NULL; sign = next)
{
next = sign->next;
if (sign_in_group(sign, group))
{
*lastp = next;
if (next != NULL)
next->prev = sign->prev;
if (sign->group != NULL)
sign_group_unref(sign->group->sg_name);
vim_free(sign);
}
else
lastp = &sign->next;
}
}
/*
* Delete all the signs in the specified group in all the buffers.
*/
void
buf_delete_all_signs(char_u *groupname)
{
buf_T *buf; /* buffer we are checking for signs */
FOR_ALL_BUFFERS(buf)
if (buf->b_signlist != NULL)
buf_delete_signs(buf, groupname);
}
/*
* List placed signs for "rbuf". If "rbuf" is NULL do it for all buffers.
*/
void
sign_list_placed(buf_T *rbuf, char_u *sign_group)
{
buf_T *buf;
signlist_T *sign;
char lbuf[BUFSIZ];
char group[BUFSIZ];
MSG_PUTS_TITLE(_("\n--- Signs ---"));
msg_putchar('\n');
if (rbuf == NULL)
buf = firstbuf;
else
buf = rbuf;
while (buf != NULL && !got_int)
{
if (buf->b_signlist != NULL)
{
vim_snprintf(lbuf, BUFSIZ, _("Signs for %s:"), buf->b_fname);
MSG_PUTS_ATTR(lbuf, HL_ATTR(HLF_D));
msg_putchar('\n');
}
FOR_ALL_SIGNS_IN_BUF(buf, sign)
{
if (got_int)
break;
if (!sign_in_group(sign, sign_group))
continue;
if (sign->group != NULL)
vim_snprintf(group, BUFSIZ, " group=%s",
sign->group->sg_name);
else
group[0] = '\0';
vim_snprintf(lbuf, BUFSIZ, _(" line=%ld id=%d%s name=%s "
"priority=%d"),
(long)sign->lnum, sign->id, group,
sign_typenr2name(sign->typenr), sign->priority);
MSG_PUTS(lbuf);
msg_putchar('\n');
}
if (rbuf != NULL)
break;
buf = buf->b_next;
}
}
/*
* Adjust a placed sign for inserted/deleted lines.
*/
void
sign_mark_adjust(
linenr_T line1,
linenr_T line2,
long amount,
long amount_after)
{
signlist_T *sign; /* a sign in a b_signlist */
FOR_ALL_SIGNS_IN_BUF(curbuf, sign)
{
if (sign->lnum >= line1 && sign->lnum <= line2)
{
if (amount == MAXLNUM)
sign->lnum = line1;
else
sign->lnum += amount;
}
else if (sign->lnum > line2)
sign->lnum += amount_after;
}
}
#endif /* FEAT_SIGNS */
/*
* Set 'buflisted' for curbuf to "on" and trigger autocommands if it changed.
*/