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patch 8.0.1130: the qf_jump() function is still too long

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Problem:    The qf_jump() function is still too long.
Solution:   Split of parts to separate functions. (Yegappan Lakshmanan)
This commit is contained in:
Bram Moolenaar
2017-09-20 22:43:02 +02:00
parent 2e6ab18729
commit 9cb03716c9
2 changed files with 360 additions and 296 deletions
Download Patch File Download Diff File Expand all files Collapse all files

350
src/quickfix.c
View File

@@ -1954,8 +1954,7 @@ is_qf_entry_present(qf_info_T *qi, qfline_T *qf_ptr)
/*
* Get the next valid entry in the current quickfix/location list. The search
* starts from the current entry. If next_file is TRUE, then return the next
* valid entry in the next file in the list. Returns NULL on failure.
* starts from the current entry. Returns NULL on failure.
*/
static qfline_T *
get_next_valid_entry(
@@ -1987,9 +1986,7 @@ get_next_valid_entry(
/*
* Get the previous valid entry in the current quickfix/location list. The
* search starts from the current entry. If prev_file is TRUE, then return the
* previous valid entry in the previous file in the list. Returns NULL on
* failure.
* search starts from the current entry. Returns NULL on failure.
*/
static qfline_T *
get_prev_valid_entry(
@@ -2065,22 +2062,24 @@ get_nth_valid_entry(
}
/*
* Get n'th quickfix entry
* Get n'th (errornr) quickfix entry
*/
static qfline_T *
get_nth_entry(
qf_info_T *qi,
int errornr,
qfline_T *qf_ptr,
int *qf_index)
int *cur_qfidx)
{
int qf_idx = *qf_index;
int qf_idx = *cur_qfidx;
/* New error number is less than the current error number */
while (errornr < qf_idx && qf_idx > 1 && qf_ptr->qf_prev != NULL)
{
--qf_idx;
qf_ptr = qf_ptr->qf_prev;
}
/* New error number is greater than the current error number */
while (errornr > qf_idx &&
qf_idx < qi->qf_lists[qi->qf_curlist].qf_count &&
qf_ptr->qf_next != NULL)
@@ -2089,7 +2088,7 @@ get_nth_entry(
qf_ptr = qf_ptr->qf_next;
}
*qf_index = qf_idx;
*cur_qfidx = qf_idx;
return qf_ptr;
}
@@ -2146,102 +2145,18 @@ jump_to_help_window(qf_info_T *qi, int *opened_window)
}
/*
* jump to a quickfix line
* if dir == FORWARD go "errornr" valid entries forward
* if dir == BACKWARD go "errornr" valid entries backward
* if dir == FORWARD_FILE go "errornr" valid entries files backward
* if dir == BACKWARD_FILE go "errornr" valid entries files backward
* else if "errornr" is zero, redisplay the same line
* else go to entry "errornr"
* Find a suitable window for opening a file (qf_fnum) and jump to it.
* If the file is already opened in a window, jump to it.
*/
void
qf_jump(qf_info_T *qi,
int dir,
int errornr,
int forceit)
{
qf_info_T *ll_ref;
qfline_T *qf_ptr;
qfline_T *old_qf_ptr;
int qf_index;
int old_qf_index;
linenr_T i;
buf_T *old_curbuf;
linenr_T old_lnum;
colnr_T screen_col;
colnr_T char_col;
char_u *line;
char_u *old_swb = p_swb;
unsigned old_swb_flags = swb_flags;
int opened_window = FALSE;
win_T *win;
win_T *altwin;
int flags;
win_T *oldwin = curwin;
int print_message = TRUE;
int len;
#ifdef FEAT_FOLDING
int old_KeyTyped = KeyTyped; /* getting file may reset it */
#endif
int ok = OK;
int usable_win;
if (qi == NULL)
qi = &ql_info;
if (qi->qf_curlist >= qi->qf_listcount
|| qi->qf_lists[qi->qf_curlist].qf_count == 0)
{
EMSG(_(e_quickfix));
return;
}
qf_ptr = qi->qf_lists[qi->qf_curlist].qf_ptr;
old_qf_ptr = qf_ptr;
qf_index = qi->qf_lists[qi->qf_curlist].qf_index;
old_qf_index = qf_index;
if (dir != 0) /* next/prev valid entry */
{
qf_ptr = get_nth_valid_entry(qi, errornr, qf_ptr, &qf_index, dir);
if (qf_ptr == NULL)
{
qf_ptr = old_qf_ptr;
qf_index = old_qf_index;
goto theend;
}
}
else if (errornr != 0) /* go to specified number */
qf_ptr = get_nth_entry(qi, errornr, qf_ptr, &qf_index);
qi->qf_lists[qi->qf_curlist].qf_index = qf_index;
if (qf_win_pos_update(qi, old_qf_index))
/* No need to print the error message if it's visible in the error
* window */
print_message = FALSE;
/*
* For ":helpgrep" find a help window or open one.
*/
if (qf_ptr->qf_type == 1 && (!bt_help(curwin->w_buffer) || cmdmod.tab != 0))
{
if (jump_to_help_window(qi, &opened_window) == FAIL)
goto theend;
}
/*
* If currently in the quickfix window, find another window to show the
* file in.
*/
if (bt_quickfix(curbuf) && !opened_window)
static int
qf_jump_to_usable_window(int qf_fnum, int *opened_window)
{
win_T *usable_win_ptr = NULL;
/*
* If there is no file specified, we don't know where to go.
* But do advance, otherwise ":cn" gets stuck.
*/
if (qf_ptr->qf_fnum == 0)
goto theend;
int usable_win;
qf_info_T *ll_ref;
int flags;
win_T *win;
win_T *altwin;
usable_win = 0;
@@ -2281,7 +2196,7 @@ qf_jump(qf_info_T *qi,
FOR_ALL_TAB_WINDOWS(tp, wp)
{
if (wp->w_buffer->b_fnum == qf_ptr->qf_fnum)
if (wp->w_buffer->b_fnum == qf_fnum)
{
goto_tabpage_win(tp, wp);
usable_win = 1;
@@ -2301,8 +2216,8 @@ win_found:
if (ll_ref != NULL)
flags |= WSP_NEWLOC;
if (win_split(0, flags) == FAIL)
goto failed; /* not enough room for window */
opened_window = TRUE; /* close it when fail */
return FAIL; /* not enough room for window */
*opened_window = TRUE; /* close it when fail */
p_swb = empty_option; /* don't split again */
swb_flags = 0;
RESET_BINDING(curwin);
@@ -2324,7 +2239,7 @@ win_found:
{
/* Find the window showing the selected file */
FOR_ALL_WINDOWS(win)
if (win->w_buffer->b_fnum == qf_ptr->qf_fnum)
if (win->w_buffer->b_fnum == qf_fnum)
break;
if (win == NULL)
{
@@ -2362,7 +2277,7 @@ win_found:
altwin = NULL;
for (;;)
{
if (win->w_buffer->b_fnum == qf_ptr->qf_fnum)
if (win->w_buffer->b_fnum == qf_fnum)
break;
if (win->w_prev == NULL)
win = lastwin; /* wrap around the top */
@@ -2391,17 +2306,24 @@ win_found:
win_goto(win);
}
}
return OK;
}
/*
* If there is a file name,
* read the wanted file if needed, and check autowrite etc.
* Edit the selected file or help file.
*/
old_curbuf = curbuf;
old_lnum = curwin->w_cursor.lnum;
if (qf_ptr->qf_fnum != 0)
static int
qf_jump_edit_buffer(
qf_info_T *qi,
qfline_T *qf_ptr,
int forceit,
win_T *oldwin,
int *opened_window,
int *abort)
{
int retval = OK;
if (qf_ptr->qf_type == 1)
{
/* Open help file (do_ecmd() will set b_help flag, readfile() will
@@ -2409,25 +2331,24 @@ win_found:
if (!can_abandon(curbuf, forceit))
{
no_write_message();
ok = FALSE;
retval = FALSE;
}
else
ok = do_ecmd(qf_ptr->qf_fnum, NULL, NULL, NULL, (linenr_T)1,
retval = do_ecmd(qf_ptr->qf_fnum, NULL, NULL, NULL, (linenr_T)1,
ECMD_HIDE + ECMD_SET_HELP,
oldwin == curwin ? curwin : NULL);
}
else
{
int old_qf_curlist = qi->qf_curlist;
int is_abort = FALSE;
ok = buflist_getfile(qf_ptr->qf_fnum,
retval = buflist_getfile(qf_ptr->qf_fnum,
(linenr_T)1, GETF_SETMARK | GETF_SWITCH, forceit);
if (qi != &ql_info && !win_valid_any_tab(oldwin))
{
EMSG(_("E924: Current window was closed"));
is_abort = TRUE;
opened_window = FALSE;
*abort = TRUE;
*opened_window = FALSE;
}
else if (old_qf_curlist != qi->qf_curlist
|| !is_qf_entry_present(qi, qf_ptr))
@@ -2436,43 +2357,51 @@ win_found:
EMSG(_("E925: Current quickfix was changed"));
else
EMSG(_("E926: Current location list was changed"));
is_abort = TRUE;
*abort = TRUE;
}
if (is_abort)
if (*abort)
retval = FALSE;
}
return retval;
}
/*
* Goto the error line in the current file using either line/column number or a
* search pattern.
*/
static void
qf_jump_goto_line(
linenr_T qf_lnum,
int qf_col,
char_u qf_viscol,
char_u *qf_pattern)
{
ok = FALSE;
qi = NULL;
qf_ptr = NULL;
}
}
}
linenr_T i;
char_u *line;
colnr_T screen_col;
colnr_T char_col;
if (ok == OK)
{
/* When not switched to another buffer, still need to set pc mark */
if (curbuf == old_curbuf)
setpcmark();
if (qf_ptr->qf_pattern == NULL)
if (qf_pattern == NULL)
{
/*
* Go to line with error, unless qf_lnum is 0.
*/
i = qf_ptr->qf_lnum;
i = qf_lnum;
if (i > 0)
{
if (i > curbuf->b_ml.ml_line_count)
i = curbuf->b_ml.ml_line_count;
curwin->w_cursor.lnum = i;
}
if (qf_ptr->qf_col > 0)
if (qf_col > 0)
{
curwin->w_cursor.col = qf_ptr->qf_col - 1;
curwin->w_cursor.col = qf_col - 1;
#ifdef FEAT_VIRTUALEDIT
curwin->w_cursor.coladd = 0;
#endif
if (qf_ptr->qf_viscol == TRUE)
if (qf_viscol == TRUE)
{
/*
* Check each character from the beginning of the error
@@ -2507,17 +2436,26 @@ win_found:
/* Move the cursor to the first line in the buffer */
save_cursor = curwin->w_cursor;
curwin->w_cursor.lnum = 0;
if (!do_search(NULL, '/', qf_ptr->qf_pattern, (long)1,
if (!do_search(NULL, '/', qf_pattern, (long)1,
SEARCH_KEEP, NULL, NULL))
curwin->w_cursor = save_cursor;
}
}
#ifdef FEAT_FOLDING
if ((fdo_flags & FDO_QUICKFIX) && old_KeyTyped)
foldOpenCursor();
#endif
if (print_message)
/*
* Display quickfix list index and size message
*/
static void
qf_jump_print_msg(
qf_info_T *qi,
int qf_index,
qfline_T *qf_ptr,
buf_T *old_curbuf,
linenr_T old_lnum)
{
linenr_T i;
int len;
/* Update the screen before showing the message, unless the screen
* scrolled up. */
if (!msg_scrolled)
@@ -2541,6 +2479,130 @@ win_found:
msg_attr_keep(IObuff, 0, TRUE);
msg_scroll = i;
}
/*
* jump to a quickfix line
* if dir == FORWARD go "errornr" valid entries forward
* if dir == BACKWARD go "errornr" valid entries backward
* if dir == FORWARD_FILE go "errornr" valid entries files backward
* if dir == BACKWARD_FILE go "errornr" valid entries files backward
* else if "errornr" is zero, redisplay the same line
* else go to entry "errornr"
*/
void
qf_jump(qf_info_T *qi,
int dir,
int errornr,
int forceit)
{
qfline_T *qf_ptr;
qfline_T *old_qf_ptr;
int qf_index;
int old_qf_index;
buf_T *old_curbuf;
linenr_T old_lnum;
char_u *old_swb = p_swb;
unsigned old_swb_flags = swb_flags;
int opened_window = FALSE;
win_T *oldwin = curwin;
int print_message = TRUE;
#ifdef FEAT_FOLDING
int old_KeyTyped = KeyTyped; /* getting file may reset it */
#endif
int retval = OK;
if (qi == NULL)
qi = &ql_info;
if (qi->qf_curlist >= qi->qf_listcount
|| qi->qf_lists[qi->qf_curlist].qf_count == 0)
{
EMSG(_(e_quickfix));
return;
}
qf_ptr = qi->qf_lists[qi->qf_curlist].qf_ptr;
old_qf_ptr = qf_ptr;
qf_index = qi->qf_lists[qi->qf_curlist].qf_index;
old_qf_index = qf_index;
if (dir != 0) /* next/prev valid entry */
{
qf_ptr = get_nth_valid_entry(qi, errornr, qf_ptr, &qf_index, dir);
if (qf_ptr == NULL)
{
qf_ptr = old_qf_ptr;
qf_index = old_qf_index;
goto theend;
}
}
else if (errornr != 0) /* go to specified number */
qf_ptr = get_nth_entry(qi, errornr, qf_ptr, &qf_index);
qi->qf_lists[qi->qf_curlist].qf_index = qf_index;
if (qf_win_pos_update(qi, old_qf_index))
/* No need to print the error message if it's visible in the error
* window */
print_message = FALSE;
/*
* For ":helpgrep" find a help window or open one.
*/
if (qf_ptr->qf_type == 1 && (!bt_help(curwin->w_buffer) || cmdmod.tab != 0))
if (jump_to_help_window(qi, &opened_window) == FAIL)
goto theend;
/*
* If currently in the quickfix window, find another window to show the
* file in.
*/
if (bt_quickfix(curbuf) && !opened_window)
{
/*
* If there is no file specified, we don't know where to go.
* But do advance, otherwise ":cn" gets stuck.
*/
if (qf_ptr->qf_fnum == 0)
goto theend;
if (qf_jump_to_usable_window(qf_ptr->qf_fnum, &opened_window) == FAIL)
goto failed;
}
/*
* If there is a file name,
* read the wanted file if needed, and check autowrite etc.
*/
old_curbuf = curbuf;
old_lnum = curwin->w_cursor.lnum;
if (qf_ptr->qf_fnum != 0)
{
int abort = FALSE;
retval = qf_jump_edit_buffer(qi, qf_ptr, forceit, oldwin,
&opened_window, &abort);
if (abort)
{
qi = NULL;
qf_ptr = NULL;
}
}
if (retval == OK)
{
/* When not switched to another buffer, still need to set pc mark */
if (curbuf == old_curbuf)
setpcmark();
qf_jump_goto_line(qf_ptr->qf_lnum, qf_ptr->qf_col, qf_ptr->qf_viscol,
qf_ptr->qf_pattern);
#ifdef FEAT_FOLDING
if ((fdo_flags & FDO_QUICKFIX) && old_KeyTyped)
foldOpenCursor();
#endif
if (print_message)
qf_jump_print_msg(qi, qf_index, qf_ptr, old_curbuf, old_lnum);
}
else
{

2
src/version.c
View File

@@ -761,6 +761,8 @@ static char *(features[]) =
static int included_patches[] =
{ /* Add new patch number below this line */
/**/
1130,
/**/
1129,
/**/