| Commit message (Collapse) | Author | Age |
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Problem:
Incremental preview is not allowed on 'nomodifiable' buffers.
Solution:
- Allow preview on 'nomodifiable' buffers.
- Restore the 'modifiable' option in case the preview function changes it.
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Before calling "attach" a screen object is just a dummy container for
(row, col) values whose purpose is to be sent as part of the "attach"
function call anyway.
Just create the screen in an attached state directly. Keep the complete
(row, col, options) config together. It is still completely valid to
later detach and re-attach as needed, including to another session.
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Problem: Inccommand preview callback may flush inaccurate cmdline cursor position.
Solution: Ensure cursor is where it belongs when doing command preview.
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Specifically, functions that are run in the context of the test runner
are put in module `test/testutil.lua` while the functions that are run
in the context of the test session are put in
`test/functional/testnvim.lua`.
Closes https://github.com/neovim/neovim/issues/27004.
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Work on https://github.com/neovim/neovim/issues/27004.
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This is the command invoked repeatedly to make the changes:
:%s/^\(.*\)|\%(\*\(\d\+\)\)\?$\n\1|\%(\*\(\d\+\)\)\?$/\=submatch(1)..'|*'..(max([str2nr(submatch(2)),1])+max([str2nr(submatch(3)),1]))/g
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Problem: Cannot break undo by setting 'undolevels' to itself in
'inccommand' preview callback.
Solution: Don't set an invalid 'undolevels' value.
Co-authored-by: Michael Henry <drmikehenry@drmikehenry.com>
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Problem:
The cmdpreview saved undo nodes on cmdpreview_prepare() from ex_getln.c may
become invalid (free) if the preview function makes undo operations, causing
heap-use-after-free errors.
Solution:
Save the buffer undo list on cmdpreview_prepare)_ and start a new empty one. On
cmdpreview_restore_state(), undo all the entries in the new undo list and
restore the original one. With this approach, the preview function will be
allowed to undo only its own changes.
Fix #20036
Fix #20248
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Co-authored-by: zeertzjq <zeertzjq@outlook.com>
Co-authored-by: famiu <famiuhaque@protonmail.com>
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Co-authored-by: Raphael <glephunter@gmail.com>
Co-authored-by: smjonas <jonas.strittmatter@gmx.de>
Co-authored-by: zeertzjq <zeertzjq@outlook.com>
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Allows preview callbacks to modify multiple buffers in order to show the
preview. Previously, if multiple buffers were modified, only the current
buffer would have its state restored. After this change, all buffers
have their state restored after preview.
Closes #19103.
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clang: Result of operation is garbage or undefined
clang: Uninitialized argument value
Also check for == 's' instead of != 'n' as it is more straightforward.
Also fix another unrelated PVS warning:
PVS/V1071: Return value of win_comp_pos() is not always used
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Adds a Lua-only `preview` flag to user commands which allows the command to be incrementally previewed like `:substitute` when 'inccommand' is set.
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