vim-patch:8.2.0845: text properties crossing lines not handled correctly (#35483)

Problem:    Text properties crossing lines not handled correctly.
Solution:   When joining lines merge text properties if possible.
            (Axel Forsman, closes vim/vim#5839, closes vim/vim#5683)

87be9be1db

Port docs from patch v8.1.0688.
Rewrite docs for ml_replace_buf_len().

Co-authored-by: Bram Moolenaar <Bram@vim.org>
This commit is contained in:
Jan Edmund Lazo
2025-08-26 00:54:13 -04:00
committed by GitHub
parent 821bfc02fb
commit 088ba835ed
2 changed files with 25 additions and 15 deletions

View File

@@ -2487,23 +2487,19 @@ void ml_add_deleted_len_buf(buf_T *buf, char *ptr, ssize_t len)
}
}
/// Replace line "lnum", with buffering, in current buffer.
int ml_replace(linenr_T lnum, char *line, bool copy)
{
return ml_replace_buf(curbuf, lnum, line, copy, false);
}
/// Replace line "lnum", with buffering, in current buffer.
///
/// @param copy if true, make a copy of the line, otherwise the line has been
/// copied to allocated memory already.
/// if false, the "line" may be freed to add text properties!
///
/// Do not use it after calling ml_replace().
///
/// Check: The caller of this function should probably also call
/// changed_lines(), unless update_screen(UPD_NOT_VALID) is used.
///
/// @return FAIL for failure, OK otherwise
/// Replace a line for the current buffer. Like ml_replace() with:
/// "len" is the length of the text, excluding NUL.
int ml_replace_len(linenr_T lnum, char *line, size_t len, bool copy)
{
return ml_replace_buf_len(curbuf, lnum, line, len, copy, false);
}
int ml_replace_buf(buf_T *buf, linenr_T lnum, char *line, bool copy, bool noalloc)
FUNC_ATTR_NONNULL_ARG(1)
{
@@ -2511,6 +2507,19 @@ int ml_replace_buf(buf_T *buf, linenr_T lnum, char *line, bool copy, bool noallo
return ml_replace_buf_len(buf, lnum, line, len, copy, noalloc);
}
/// Replace line "lnum", with buffering.
///
/// @param copy if true, make a copy of the line, otherwise the line has been
/// copied to allocated memory already.
/// if false, the "line" may be freed to add text properties!
/// @param len_arg length of the text, excluding NUL
///
/// Do not use it after calling ml_replace().
///
/// Check: The caller of this function should probably also call
/// changed_lines(), unless update_screen(UPD_NOT_VALID) is used.
///
/// @return FAIL for failure, OK otherwise
int ml_replace_buf_len(buf_T *buf, linenr_T lnum, char *line_arg, size_t len_arg, bool copy,
bool noalloc)
FUNC_ATTR_NONNULL_ARG(1)

View File

@@ -4014,9 +4014,9 @@ int do_join(size_t count, bool insert_space, bool save_undo, bool use_formatopti
colnr_T col = sumsize - currsize - spaces[count - 1];
// allocate the space for the new line
char *newp = xmalloc((size_t)sumsize + 1);
size_t newp_len = (size_t)sumsize;
char *newp = xmallocz(newp_len);
cend = newp + sumsize;
*cend = 0;
// Move affected lines to the new long one.
// This loops backwards over the joined lines, including the original line.
@@ -4030,6 +4030,7 @@ int do_join(size_t count, bool insert_space, bool save_undo, bool use_formatopti
for (linenr_T t = (linenr_T)count - 1;; t--) {
cend -= currsize;
memmove(cend, curr, (size_t)currsize);
if (spaces[t] > 0) {
cend -= spaces[t];
memset(cend, ' ', (size_t)(spaces[t]));
@@ -4060,7 +4061,7 @@ int do_join(size_t count, bool insert_space, bool save_undo, bool use_formatopti
currsize = (int)strlen(curr);
}
ml_replace(curwin->w_cursor.lnum, newp, false);
ml_replace_len(curwin->w_cursor.lnum, newp, newp_len, false);
if (setmark && (cmdmod.cmod_flags & CMOD_LOCKMARKS) == 0) {
// Set the '] mark.