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Merge pull request #31475 from luukvbaal/delgravity

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fix(marks): check gravity at range bounds when deleting text
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bfredl 2024-12-07 12:06:58 +01:00 committed by GitHub
commit 92e61072ac
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2 changed files with 19 additions and 9 deletions
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26
src/nvim/extmark.c
View File

@ -367,12 +367,23 @@ void extmark_splice_delete(buf_T *buf, int l_row, colnr_T l_col, int u_row, coln
marktree_itr_get(buf->b_marktree, (int32_t)l_row, l_col, itr);
while (true) {
MTKey mark = marktree_itr_current(itr);
if (mark.pos.row < 0
|| mark.pos.row > u_row
|| (mark.pos.row == u_row && mark.pos.col > u_col)) {
if (mark.pos.row < 0 || mark.pos.row > u_row) {
break;
}
bool copy = true;
// No need to copy left gravity marks at the beginning of the range,
// and right gravity marks at the end of the range, unless invalidated.
if (mark.pos.row == l_row && mark.pos.col - !mt_right(mark) < l_col) {
copy = false;
} else if (mark.pos.row == u_row) {
if (mark.pos.col > u_col + 1) {
break;
} else if (mark.pos.col + mt_right(mark) > u_col) {
copy = false;
}
}
bool invalidated = false;
// Invalidate/delete mark
if (!only_copy && !mt_invalid(mark) && mt_invalidate(mark) && !mt_end(mark)) {
@ -388,6 +399,7 @@ void extmark_splice_delete(buf_T *buf, int l_row, colnr_T l_col, int u_row, coln
extmark_del(buf, itr, mark, true);
continue;
} else {
copy = true;
invalidated = true;
mt_itr_rawkey(itr).flags |= MT_FLAG_INVALID;
marktree_revise_meta(buf->b_marktree, itr, mark);
@ -397,7 +409,7 @@ void extmark_splice_delete(buf_T *buf, int l_row, colnr_T l_col, int u_row, coln
}
// Push mark to undo header
if (only_copy || (uvp != NULL && op == kExtmarkUndo && !mt_no_undo(mark))) {
if (copy && (only_copy || (uvp != NULL && op == kExtmarkUndo && !mt_no_undo(mark)))) {
ExtmarkSavePos pos = {
.mark = mt_lookup_key(mark),
.invalidated = invalidated,
@ -541,10 +553,8 @@ void extmark_splice_impl(buf_T *buf, int start_row, colnr_T start_col, bcount_t
if (old_row > 0 || old_col > 0) {
// Copy and invalidate marks that would be effected by delete
// TODO(bfredl): Be "smart" about gravity here, left-gravity at the
// beginning and right-gravity at the end need not be preserved.
// Also be smart about marks that already have been saved (important for
// merge!)
// TODO(bfredl): Be smart about marks that already have been
// saved (important for merge!)
int end_row = start_row + old_row;
int end_col = (old_row ? 0 : start_col) + old_col;
u_header_T *uhp = u_force_get_undo_header(buf);

2
test/functional/api/extmark_spec.lua
View File

@ -249,7 +249,7 @@ describe('API/extmarks', function()
set_extmark(ns, 2, 1, 0, { right_gravity = false })
eq({ { 1, 0, 0 }, { 2, 1, 0 } }, get_extmarks(ns, { 0, 0 }, { -1, -1 }))
feed('u')
eq({ { 1, 0, 0 }, { 2, 1, 0 } }, get_extmarks(ns, { 0, 0 }, { -1, -1 }))
eq({ { 1, 0, 0 }, { 2, 0, 0 } }, get_extmarks(ns, { 0, 0 }, { -1, -1 }))
api.nvim_buf_clear_namespace(0, ns, 0, -1)
end)