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patch 9.1.0785: cannot preserve error position when setting quickfix list

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Problem:  cannot preserve error position when setting quickfix lists
Solution: Add the 'u' action for setqflist()/setloclist() and try
          to keep the closes target position (Jeremy Fleischman)

fixes: #15839
closes: #15841

Signed-off-by: Jeremy Fleischman <jeremyfleischman@gmail.com>
Signed-off-by: Christian Brabandt <cb@256bit.org>
This commit is contained in:
Jeremy Fleischman
2024-10-14 20:46:27 +02:00
committed by Christian Brabandt
parent 83a06705dc
commit 27fbf6e5e8
5 changed files with 214 additions and 17 deletions
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4
runtime/doc/builtin.txt
View File

@@ -1,4 +1,4 @@
*builtin.txt* For Vim version 9.1. Last change: 2024 Oct 12
*builtin.txt* For Vim version 9.1. Last change: 2024 Oct 14
VIM REFERENCE MANUAL by Bram Moolenaar
@@ -9766,6 +9766,8 @@ setqflist({list} [, {action} [, {what}]]) *setqflist()*
clear the list: >
:call setqflist([], 'r')
<
'u' Like 'r', but tries to preserve the current selection
in the quickfix list.
'f' All the quickfix lists in the quickfix stack are
freed.

4
runtime/doc/version9.txt
View File

@@ -1,4 +1,4 @@
*version9.txt* For Vim version 9.1. Last change: 2024 Oct 08
*version9.txt* For Vim version 9.1. Last change: 2024 Oct 14
VIM REFERENCE MANUAL by Bram Moolenaar
@@ -41598,6 +41598,8 @@ Changed~
- the regex engines match correctly case-insensitive multi-byte characters
(and apply proper case folding)
- |:keeppatterns| preserves the last substitute pattern when used with |:s|
- |setqflist()| and |setloclist()| can optionally try to preserve the current
selection in the quickfix list with the "u" action.
*added-9.2*
Added ~

130
src/quickfix.c
View File

@@ -190,6 +190,7 @@ static buf_T *load_dummy_buffer(char_u *fname, char_u *dirname_start, char_u *re
static void wipe_dummy_buffer(buf_T *buf, char_u *dirname_start);
static void unload_dummy_buffer(buf_T *buf, char_u *dirname_start);
static qf_info_T *ll_get_or_alloc_list(win_T *);
static int entry_is_closer_to_target(qfline_T *entry, qfline_T *other_entry, int target_fnum, int target_lnum, int target_col);
// Quickfix window check helper macro
#define IS_QF_WINDOW(wp) (bt_quickfix((wp)->w_buffer) && (wp)->w_llist_ref == NULL)
@@ -7499,6 +7500,62 @@ qf_add_entry_from_dict(
return status;
}
/*
* Check if `entry` is closer to the target than `other_entry`.
*
* Only returns TRUE if `entry` is definitively closer. If it's further
* away, or there's not enough information to tell, return FALSE.
*/
static int
entry_is_closer_to_target(
qfline_T *entry,
qfline_T *other_entry,
int target_fnum,
int target_lnum,
int target_col)
{
// First, compare entries to target file.
if (!target_fnum)
// Without a target file, we can't know which is closer.
return FALSE;
int is_target_file = entry->qf_fnum && entry->qf_fnum == target_fnum;
int other_is_target_file = other_entry->qf_fnum && other_entry->qf_fnum == target_fnum;
if (!is_target_file && other_is_target_file)
return FALSE;
else if (is_target_file && !other_is_target_file)
return TRUE;
// Both entries are pointing at the exact same file. Now compare line
// numbers.
if (!target_lnum)
// Without a target line number, we can't know which is closer.
return FALSE;
int line_distance = entry->qf_lnum ? labs(entry->qf_lnum - target_lnum) : INT_MAX;
int other_line_distance = other_entry->qf_lnum ? labs(other_entry->qf_lnum - target_lnum) : INT_MAX;
if (line_distance > other_line_distance)
return FALSE;
else if (line_distance < other_line_distance)
return TRUE;
// Both entries are pointing at the exact same line number (or no line
// number at all). Now compare columns.
if (!target_col)
// Without a target column, we can't know which is closer.
return FALSE;
int column_distance = entry->qf_col ? abs(entry->qf_col - target_col) : INT_MAX;
int other_column_distance = other_entry->qf_col ? abs(other_entry->qf_col - target_col): INT_MAX;
if (column_distance > other_column_distance)
return FALSE;
else if (column_distance < other_column_distance)
return TRUE;
// It's a complete tie! The exact same file, line, and column.
return FALSE;
}
/*
* Add list of entries to quickfix/location list. Each list entry is
* a dictionary with item information.
@@ -7518,21 +7575,54 @@ qf_add_entries(
int retval = OK;
int valid_entry = FALSE;
// If there's an entry selected in the quickfix list, remember its location
// (file, line, column), so we can select the nearest entry in the updated
// quickfix list.
int prev_fnum = 0;
int prev_lnum = 0;
int prev_col = 0;
if (qfl->qf_ptr)
{
prev_fnum = qfl->qf_ptr->qf_fnum;
prev_lnum = qfl->qf_ptr->qf_lnum;
prev_col = qfl->qf_ptr->qf_col;
}
int select_first_entry = FALSE;
int select_nearest_entry = FALSE;
if (action == ' ' || qf_idx == qi->qf_listcount)
{
select_first_entry = TRUE;
// make place for a new list
qf_new_list(qi, title);
qf_idx = qi->qf_curlist;
qfl = qf_get_list(qi, qf_idx);
}
else if (action == 'a' && !qf_list_empty(qfl))
// Adding to existing list, use last entry.
old_last = qfl->qf_last;
else if (action == 'a')
{
if (qf_list_empty(qfl))
// Appending to empty list, select first entry.
select_first_entry = TRUE;
else
// Adding to existing list, use last entry.
old_last = qfl->qf_last;
}
else if (action == 'r')
{
select_first_entry = TRUE;
qf_free_items(qfl);
qf_store_title(qfl, title);
}
else if (action == 'u')
{
select_nearest_entry = TRUE;
qf_free_items(qfl);
qf_store_title(qfl, title);
}
qfline_T *entry_to_select = NULL;
int entry_to_select_index = 0;
FOR_ALL_LIST_ITEMS(list, li)
{
@@ -7547,6 +7637,18 @@ qf_add_entries(
&valid_entry);
if (retval == QF_FAIL)
break;
qfline_T *entry = qfl->qf_last;
if (
(select_first_entry && entry_to_select == NULL) ||
(select_nearest_entry &&
(entry_to_select == NULL ||
entry_is_closer_to_target(entry, entry_to_select, prev_fnum,
prev_lnum, prev_col))))
{
entry_to_select = entry;
entry_to_select_index = qfl->qf_count;
}
}
// Check if any valid error entries are added to the list.
@@ -7556,14 +7658,12 @@ qf_add_entries(
// no valid entry
qfl->qf_nonevalid = TRUE;
// If not appending to the list, set the current error to the first entry
if (action != 'a')
qfl->qf_ptr = qfl->qf_start;
// Update the current error index if not appending to the list or if the
// list was empty before and it is not empty now.
if ((action != 'a' || qfl->qf_index == 0) && !qf_list_empty(qfl))
qfl->qf_index = 1;
// Set the current error.
if (entry_to_select)
{
qfl->qf_ptr = entry_to_select;
qfl->qf_index = entry_to_select_index;
}
// Don't update the cursor in quickfix window when appending entries
qf_update_buffer(qi, old_last);
@@ -7700,7 +7800,7 @@ qf_setprop_items_from_lines(
if (di->di_tv.v_type != VAR_LIST || di->di_tv.vval.v_list == NULL)
return FAIL;
if (action == 'r')
if (action == 'r' || action == 'u')
qf_free_items(&qi->qf_lists[qf_idx]);
if (qf_init_ext(qi, qf_idx, NULL, NULL, &di->di_tv, errorformat,
FALSE, (linenr_T)0, (linenr_T)0, NULL, NULL) >= 0)
@@ -7897,8 +7997,8 @@ qf_free_stack(win_T *wp, qf_info_T *qi)
/*
* Populate the quickfix list with the items supplied in the list
* of dictionaries. "title" will be copied to w:quickfix_title.
* "action" is 'a' for add, 'r' for replace. Otherwise create a new list.
* When "what" is not NULL then only set some properties.
* "action" is 'a' for add, 'r' for replace, 'u' for update. Otherwise
* create a new list. When "what" is not NULL then only set some properties.
*/
int
set_errorlist(
@@ -8740,7 +8840,7 @@ set_qf_ll_list(
act = tv_get_string_chk(action_arg);
if (act == NULL)
return; // type error; errmsg already given
if ((*act == 'a' || *act == 'r' || *act == ' ' || *act == 'f') &&
if ((*act == 'a' || *act == 'r' || *act == 'u' || *act == ' ' || *act == 'f') &&
act[1] == NUL)
action = *act;
else

91
src/testdir/test_quickfix.vim
View File

@@ -6462,6 +6462,97 @@ func Test_quickfix_buffer_contents()
call setqflist([], 'f')
endfunc
func Test_quickfix_update()
" Setup: populate a couple buffers
new
call setline(1, range(1, 5))
let b1 = bufnr()
new
call setline(1, range(1, 3))
let b2 = bufnr()
" Setup: set a quickfix list.
let items = [{'bufnr': b1, 'lnum': 1}, {'bufnr': b1, 'lnum': 2}, {'bufnr': b2, 'lnum': 1}, {'bufnr': b2, 'lnum': 2}]
call setqflist(items)
" Open the quickfix list, select the third entry.
copen
exe "normal jj\<CR>"
call assert_equal(3, getqflist({'idx' : 0}).idx)
" Update the quickfix list. Make sure the third entry is still selected.
call setqflist([], 'u', { 'items': items })
call assert_equal(3, getqflist({'idx' : 0}).idx)
" Update the quickfix list again, but this time with missing line number
" information. Confirm that we keep the current buffer selected.
call setqflist([{'bufnr': b1}, {'bufnr': b2}], 'u')
call assert_equal(2, getqflist({'idx' : 0}).idx)
" Cleanup the buffers we allocated during this test.
%bwipe!
%bwipe!
endfunc
func Test_quickfix_update_with_missing_coordinate_info()
new
call setline(1, range(1, 5))
let b1 = bufnr()
new
call setline(1, range(1, 3))
let b2 = bufnr()
new
call setline(1, range(1, 2))
let b3 = bufnr()
" Setup: set a quickfix list with no coordinate information at all.
call setqflist([{}, {}])
" Open the quickfix list, select the second entry.
copen
exe "normal j\<CR>"
call assert_equal(2, getqflist({'idx' : 0}).idx)
" Update the quickfix list. As the previously selected entry has no
" coordinate information, we expect the first entry to now be selected.
call setqflist([{'bufnr': b1}, {'bufnr': b2}, {'bufnr': b3}], 'u')
call assert_equal(1, getqflist({'idx' : 0}).idx)
" Select the second entry in the quickfix list.
copen
exe "normal j\<CR>"
call assert_equal(2, getqflist({'idx' : 0}).idx)
" Update the quickfix list again. The currently selected entry does not have
" a line number, but we should keep the file selected.
call setqflist([{'bufnr': b1}, {'bufnr': b2, 'lnum': 3}, {'bufnr': b3}], 'u')
call assert_equal(2, getqflist({'idx' : 0}).idx)
" Update the quickfix list again. The currently selected entry (bufnr=b2, lnum=3)
" is no longer present. We should pick the nearest entry.
call setqflist([{'bufnr': b1}, {'bufnr': b2, 'lnum': 1}, {'bufnr': b2, 'lnum': 4}], 'u')
call assert_equal(3, getqflist({'idx' : 0}).idx)
" Set the quickfix list again, with a specific column number. The currently selected entry doesn't have a
" column number, but they share a line number.
call setqflist([{'bufnr': b1}, {'bufnr': b2, 'lnum': 4, 'col': 5}, {'bufnr': b2, 'lnum': 4, 'col': 6}], 'u')
call assert_equal(2, getqflist({'idx' : 0}).idx)
" Set the quickfix list again. The currently selected column number (6) is
" no longer present. We should select the nearest column number.
call setqflist([{'bufnr': b1}, {'bufnr': b2, 'lnum': 4, 'col': 2}, {'bufnr': b2, 'lnum': 4, 'col': 4}], 'u')
call assert_equal(3, getqflist({'idx' : 0}).idx)
" Now set the quickfix list, but without columns. We should still pick the
" same line.
call setqflist([{'bufnr': b2, 'lnum': 3}, {'bufnr': b2, 'lnum': 4}, {'bufnr': b2, 'lnum': 4}], 'u')
call assert_equal(2, getqflist({'idx' : 0}).idx)
" Cleanup the buffers we allocated during this test.
%bwipe!
endfunc
" Test for "%b" in "errorformat"
func Test_efm_format_b()
call setqflist([], 'f')

2
src/version.c
View File

@@ -704,6 +704,8 @@ static char *(features[]) =
static int included_patches[] =
{ /* Add new patch number below this line */
/**/
785,
/**/
784,
/**/