summaryrefslogtreecommitdiff
path: root/src/quickfix.c
diff options
context:
space:
mode:
authorBram Moolenaar <Bram@vim.org>2016-06-02 13:40:04 +0200
committerBram Moolenaar <Bram@vim.org>2016-06-02 13:40:04 +0200
commit864293abb72d62604d8d6b458addfb43c14230c3 (patch)
tree3cb4098a4d5ab07b709bd54e254efa384183ce95 /src/quickfix.c
parentdec6c7beda5491b28f67f430fc9d01467050c1ca (diff)
downloadvim-git-864293abb72d62604d8d6b458addfb43c14230c3.tar.gz
patch 7.4.1871v7.4.1871
Problem: Appending to the quickfix list while the quickfix window is open is very slow. Solution: Do not delete all the lines, only append the new ones. Avoid using a window while updating the list. (closes #841)
Diffstat (limited to 'src/quickfix.c')
-rw-r--r--src/quickfix.c132
1 files changed, 92 insertions, 40 deletions
diff --git a/src/quickfix.c b/src/quickfix.c
index a719e4fe0..905173d5c 100644
--- a/src/quickfix.c
+++ b/src/quickfix.c
@@ -126,9 +126,9 @@ static int qf_win_pos_update(qf_info_T *qi, int old_qf_index);
static int is_qf_win(win_T *win, qf_info_T *qi);
static win_T *qf_find_win(qf_info_T *qi);
static buf_T *qf_find_buf(qf_info_T *qi);
-static void qf_update_buffer(qf_info_T *qi, int update_cursor);
+static void qf_update_buffer(qf_info_T *qi, qfline_T *old_last);
static void qf_set_title_var(qf_info_T *qi);
-static void qf_fill_buffer(qf_info_T *qi);
+static void qf_fill_buffer(qf_info_T *qi, buf_T *buf, qfline_T *old_last);
#endif
static char_u *get_mef_name(void);
static void restore_start_dir(char_u *dirname_start);
@@ -207,7 +207,8 @@ qf_grow_linebuf(char_u **growbuf, int *growbufsiz, int newsz, int *allocsz)
/*
* Read the errorfile "efile" into memory, line by line, building the error
* list.
- * Alternative: when "efile" is null read errors from buffer "buf".
+ * Alternative: when "efile" is NULL read errors from buffer "buf".
+ * Alternative: when "tv" is not NULL get errors from the string or list.
* Always use 'errorformat' from "buf" if there is a local value.
* Then "lnumfirst" and "lnumlast" specify the range of lines to use.
* Set the title of the list to "qf_title".
@@ -245,6 +246,9 @@ qf_init_ext(
int enr = 0;
FILE *fd = NULL;
qfline_T *qfprev = NULL; /* init to make SASC shut up */
+#ifdef FEAT_WINDOWS
+ qfline_T *old_last = NULL;
+#endif
char_u *efmp;
efm_T *fmt_first = NULL;
efm_T *fmt_last = NULL;
@@ -304,10 +308,13 @@ qf_init_ext(
/* make place for a new list */
qf_new_list(qi, qf_title);
else if (qi->qf_lists[qi->qf_curlist].qf_count > 0)
+ {
/* Adding to existing list, find last entry. */
for (qfprev = qi->qf_lists[qi->qf_curlist].qf_start;
qfprev->qf_next != qfprev; qfprev = qfprev->qf_next)
;
+ old_last = qfprev;
+ }
/*
* Each part of the format string is copied and modified from errorformat to
@@ -1051,7 +1058,7 @@ qf_init_end:
vim_free(growbuf);
#ifdef FEAT_WINDOWS
- qf_update_buffer(qi, TRUE);
+ qf_update_buffer(qi, old_last);
#endif
return retval;
@@ -2347,7 +2354,7 @@ qf_msg(qf_info_T *qi)
qi->qf_curlist + 1, qi->qf_listcount,
qi->qf_lists[qi->qf_curlist].qf_count);
#ifdef FEAT_WINDOWS
- qf_update_buffer(qi, TRUE);
+ qf_update_buffer(qi, NULL);
#endif
}
@@ -2649,7 +2656,7 @@ ex_copen(exarg_T *eap)
/*
* Fill the buffer with the quickfix list.
*/
- qf_fill_buffer(qi);
+ qf_fill_buffer(qi, curbuf, NULL);
curwin->w_cursor.lnum = qi->qf_lists[qi->qf_curlist].qf_index;
curwin->w_cursor.col = 0;
@@ -2777,7 +2784,7 @@ qf_find_buf(qf_info_T *qi)
* Find the quickfix buffer. If it exists, update the contents.
*/
static void
-qf_update_buffer(qf_info_T *qi, int update_cursor)
+qf_update_buffer(qf_info_T *qi, qfline_T *old_last)
{
buf_T *buf;
win_T *win;
@@ -2788,8 +2795,11 @@ qf_update_buffer(qf_info_T *qi, int update_cursor)
buf = qf_find_buf(qi);
if (buf != NULL)
{
- /* set curwin/curbuf to buf and save a few things */
- aucmd_prepbuf(&aco, buf);
+ linenr_T old_line_count = buf->b_ml.ml_line_count;
+
+ if (old_last == NULL)
+ /* set curwin/curbuf to buf and save a few things */
+ aucmd_prepbuf(&aco, buf);
if ((win = qf_find_win(qi)) != NULL)
{
@@ -2799,13 +2809,20 @@ qf_update_buffer(qf_info_T *qi, int update_cursor)
curwin = curwin_save;
}
- qf_fill_buffer(qi);
-
- /* restore curwin/curbuf and a few other things */
- aucmd_restbuf(&aco);
+ qf_fill_buffer(qi, buf, old_last);
- if (update_cursor)
+ if (old_last == NULL)
+ {
(void)qf_win_pos_update(qi, 0);
+
+ /* restore curwin/curbuf and a few other things */
+ aucmd_restbuf(&aco);
+ }
+
+ /* Only redraw when added lines are visible. This avoids flickering
+ * when the added lines are not visible. */
+ if ((win = qf_find_win(qi)) != NULL && old_line_count < win->w_botline)
+ redraw_buf_later(buf, NOT_VALID);
}
}
@@ -2823,9 +2840,12 @@ qf_set_title_var(qf_info_T *qi)
/*
* Fill current buffer with quickfix errors, replacing any previous contents.
* curbuf must be the quickfix buffer!
+ * If "old_last" is not NULL append the items after this one.
+ * When "old_last" is NULL then "buf" must equal "curbuf"! Because
+ * ml_delete() is used and autocommands will be triggered.
*/
static void
-qf_fill_buffer(qf_info_T *qi)
+qf_fill_buffer(qf_info_T *qi, buf_T *buf, qfline_T *old_last)
{
linenr_T lnum;
qfline_T *qfp;
@@ -2833,16 +2853,34 @@ qf_fill_buffer(qf_info_T *qi)
int len;
int old_KeyTyped = KeyTyped;
- /* delete all existing lines */
- while ((curbuf->b_ml.ml_flags & ML_EMPTY) == 0)
- (void)ml_delete((linenr_T)1, FALSE);
+ if (old_last == NULL)
+ {
+ if (buf != curbuf)
+ {
+ EMSG2(_(e_intern2), "qf_fill_buffer()");
+ return;
+ }
+
+ /* delete all existing lines */
+ while ((curbuf->b_ml.ml_flags & ML_EMPTY) == 0)
+ (void)ml_delete((linenr_T)1, FALSE);
+ }
/* Check if there is anything to display */
if (qi->qf_curlist < qi->qf_listcount)
{
/* Add one line for each error */
- qfp = qi->qf_lists[qi->qf_curlist].qf_start;
- for (lnum = 0; lnum < qi->qf_lists[qi->qf_curlist].qf_count; ++lnum)
+ if (old_last == NULL)
+ {
+ qfp = qi->qf_lists[qi->qf_curlist].qf_start;
+ lnum = 0;
+ }
+ else
+ {
+ qfp = old_last->qf_next;
+ lnum = buf->b_ml.ml_line_count;
+ }
+ while (lnum < qi->qf_lists[qi->qf_curlist].qf_count)
{
if (qfp->qf_fnum != 0
&& (errbuf = buflist_findnr(qfp->qf_fnum)) != NULL
@@ -2887,35 +2925,40 @@ qf_fill_buffer(qf_info_T *qi)
qf_fmt_text(len > 3 ? skipwhite(qfp->qf_text) : qfp->qf_text,
IObuff + len, IOSIZE - len);
- if (ml_append(lnum, IObuff, (colnr_T)STRLEN(IObuff) + 1, FALSE)
- == FAIL)
+ if (ml_append_buf(buf, lnum, IObuff,
+ (colnr_T)STRLEN(IObuff) + 1, FALSE) == FAIL)
break;
+ ++lnum;
qfp = qfp->qf_next;
}
- /* Delete the empty line which is now at the end */
- (void)ml_delete(lnum + 1, FALSE);
+
+ if (old_last == NULL)
+ /* Delete the empty line which is now at the end */
+ (void)ml_delete(lnum + 1, FALSE);
}
/* correct cursor position */
check_lnums(TRUE);
- /* Set the 'filetype' to "qf" each time after filling the buffer. This
- * resembles reading a file into a buffer, it's more logical when using
- * autocommands. */
- set_option_value((char_u *)"ft", 0L, (char_u *)"qf", OPT_LOCAL);
- curbuf->b_p_ma = FALSE;
+ if (old_last == NULL)
+ {
+ /* Set the 'filetype' to "qf" each time after filling the buffer.
+ * This resembles reading a file into a buffer, it's more logical when
+ * using autocommands. */
+ set_option_value((char_u *)"ft", 0L, (char_u *)"qf", OPT_LOCAL);
+ curbuf->b_p_ma = FALSE;
#ifdef FEAT_AUTOCMD
- keep_filetype = TRUE; /* don't detect 'filetype' */
- apply_autocmds(EVENT_BUFREADPOST, (char_u *)"quickfix", NULL,
+ keep_filetype = TRUE; /* don't detect 'filetype' */
+ apply_autocmds(EVENT_BUFREADPOST, (char_u *)"quickfix", NULL,
FALSE, curbuf);
- apply_autocmds(EVENT_BUFWINENTER, (char_u *)"quickfix", NULL,
+ apply_autocmds(EVENT_BUFWINENTER, (char_u *)"quickfix", NULL,
FALSE, curbuf);
- keep_filetype = FALSE;
+ keep_filetype = FALSE;
#endif
-
- /* make sure it will be redrawn */
- redraw_curbuf_later(NOT_VALID);
+ /* make sure it will be redrawn */
+ redraw_curbuf_later(NOT_VALID);
+ }
/* Restore KeyTyped, setting 'filetype' may reset it. */
KeyTyped = old_KeyTyped;
@@ -3847,7 +3890,7 @@ ex_vimgrep(exarg_T *eap)
qi->qf_lists[qi->qf_curlist].qf_index = 1;
#ifdef FEAT_WINDOWS
- qf_update_buffer(qi, TRUE);
+ qf_update_buffer(qi, NULL);
#endif
#ifdef FEAT_AUTOCMD
@@ -4176,7 +4219,8 @@ get_errorlist(win_T *wp, list_T *list)
/*
* Populate the quickfix list with the items supplied in the list
- * of dictionaries. "title" will be copied to w:quickfix_title
+ * of dictionaries. "title" will be copied to w:quickfix_title.
+ * "action" is 'a' for add, 'r' for replace. Otherwise create a new list.
*/
int
set_errorlist(
@@ -4193,6 +4237,9 @@ set_errorlist(
int col, nr;
int vcol;
qfline_T *prevp = NULL;
+#ifdef FEAT_WINDOWS
+ qfline_T *old_last = NULL;
+#endif
int valid, status;
int retval = OK;
qf_info_T *qi = &ql_info;
@@ -4209,10 +4256,15 @@ set_errorlist(
/* make place for a new list */
qf_new_list(qi, title);
else if (action == 'a' && qi->qf_lists[qi->qf_curlist].qf_count > 0)
+ {
/* Adding to existing list, find last entry. */
for (prevp = qi->qf_lists[qi->qf_curlist].qf_start;
prevp->qf_next != prevp; prevp = prevp->qf_next)
;
+#ifdef FEAT_WINDOWS
+ old_last = prevp;
+#endif
+ }
else if (action == 'r')
{
qf_free(qi, qi->qf_curlist);
@@ -4296,7 +4348,7 @@ set_errorlist(
#ifdef FEAT_WINDOWS
/* Don't update the cursor in quickfix window when appending entries */
- qf_update_buffer(qi, (action != 'a'));
+ qf_update_buffer(qi, old_last);
#endif
return retval;
@@ -4603,7 +4655,7 @@ ex_helpgrep(exarg_T *eap)
free_string_option(save_cpo);
#ifdef FEAT_WINDOWS
- qf_update_buffer(qi, TRUE);
+ qf_update_buffer(qi, NULL);
#endif
#ifdef FEAT_AUTOCMD