| Commit message (Collapse) | Author | Age |
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* refactor(options): generic expand and did_set callbacks
Problem:
Many options have similar callbacks to check the values are valid.
Solution:
Generalize these callbacks into a single function that reads the option
table.
* refactor: gen_options.lua
refactor: gen_options.lua - inline get_cond
* refactor(options): use a simpler format for the common default
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Problem: It was decided on Matrix chat that multitype options won't be necessary for Neovim options, and that options should only have a single canonical type. Therefore the code for supporting multitype options is unnecessary.
Solution: Remove the additional code that's used to provide multitype option support.
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directly" (#31924)
Reverts #31112
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Problem: Currently, we use `switch_option_context` to temporarily switch the current option context before setting an option for a different buffer / window. This is not ideal because we already support getting and setting option values for non-current contexts in the underlying implementation.
Solution: Set option value for non-current context by passing the context directly to the lower level functions. Also introduce a new `OptCtx` struct to store option context information, this will scale much better if we add more option scopes and other context information in the future.
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Problem:
The way option scopes currently work is inflexible and does not allow for nested
option scopes or easily finding the value of an option at any arbitrary scope
without having to do long handwritten switch-case statements like in
`get_varp()`. `.indir` is also confusing and redundant since option indices for
each scope can be autogenerated.
Solution:
Expand option scopes in such a way that an option can support any amount of
scopes using a set of scope flags, similarly to how it's already done for option
types. Also make options contain information about its index at each scope it
supports. This allows for massively simplifying `get_varp()` and
`get_varp_scope()` in the future by just using a struct for options at each
scope. This would be done by creating a table that stores the offset of an
option's variable at a scope by using the option's index at that scope as a key.
This PR also autogenerates enums for option indices at each scope to remove the
need for `.indir` entirely, and also to allow easily iterating over options all
options that support any scope.
Ref: #29314
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Problem: Currently we use macros with hardcoded flag values for option flags, which is messy and requires a lot of mental math for adding / removing option flags. Using macros for option flags also means that they cannot be used inside debuggers.
Solution: Create a new `OptFlags` enum that stores all the option flags in an organized way that is easier to understand.
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Remove `export` pramgas from defs headers as it causes IWYU to believe
that the definitions from the defs headers comes from main header, which
is not what we really want.
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Co-authored-by: Gregory Anders <greg@gpanders.com>
Co-authored-by: WillLillis <wlillis@umass.edu>
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"export" only prevents IWYU from adding these headers if the headers
that export them are included, while "private" ensures that IWYU never
adds these headers.
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Problem: We have `P_(BOOL|NUM|STRING)` macros to represent an option's type, which is redundant because `OptValType` can already do that. The current implementation of option type flags is also too limited to allow adding multitype options in the future.
Solution: Remove `P_(BOOL|NUM|STRING)` and replace it with a new `type_flags` attribute in `vimoption_T`. Also do some groundwork for adding multitype options in the future.
Side-effects: Attempting to set an invalid keycode option (e.g. `set t_foo=123`) no longer gives an error.
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Problem: Many places in the code use `findoption()` to access an option using its name, even if the option index is available. This is very slow because it requires looping through the options array over and over.
Solution: Use option index instead of name wherever possible. Also introduce an `OptIndex` enum which contains the index for every option as enum constants, this eliminates the need to pass static option names as strings.
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functions
Problem: [security]: stack-buffer-overflow in option callback functions
Solution: pass size of errbuf down the call stack, use snprintf()
instead of sprintf()
We pass the error buffer down to the option callback functions, but in
some parts of the code, we simply use sprintf(buf) to write into the error
buffer, which can overflow.
So let's pass down the length of the error buffer and use sprintf(buf, size)
instead.
Reported by @henices, thanks!
https://github.com/vim/vim/commit/b39b240c386a5a29241415541f1c99e2e6b8ce47
Co-authored-by: Christian Brabandt <cb@256bit.org>
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It is less error-prone than manually defining header guards. Pretty much
all compilers support it even if it's not part of the C standard.
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Problem: `os_doskip` seems to be unnecessary since everything that sets it to true also returns an error, and `errmsg` being non-`NULL` already skips most of the processing.
Solution: Remove `os_doskip`.
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Problem: cmdline completion should consider key option
Solution: Disable cmdline completion for key option, slightly
refactor how P_NO_CMD_EXPAND is handled
Harden crypto 'key' option: turn off cmdline completion, disable set-=
"set-=" can be used maliciously with a crypto key, as it allows an
attacker (who either has access to the computer or a plugin author) to
guess a substring by observing the modified state. Simply turn off
set+=/-=/^= for this option as there is no good reason for them to be
used.
Update docs to make that clear as well.
Also, don't allow cmdline completion for 'key' as it just shows *****
which is not useful and confusing to the user what it means (if the user
accidentally hits enter they will have replaced their key with "*****"
instead).
Move logic to better location, don't use above 32-bit for flags
Move P_NO_CMD_EXPAND to use the unused 0x20 instead of going above
32-bits, as currently the flags parameter is only 32-bits on some
systems. Left a comment to warn that future additions will need to
change how the flags work either by making it 64-bit or split into two
member vars.
Also, move the logic for detecting P_NO_CMD_EXPAND earlier so it's not
up to each handler to decide, and you won't see the temporary "..." that
Vim shows while waiting for completion handler to complete.
closes: vim/vim#13224
https://github.com/vim/vim/commit/6ee7b521fa7531ef356ececc8be7575c3800f872
Co-authored-by: Yee Cheng Chin <ychin.git@gmail.com>
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Problem: cannot complete option values
Solution: Add completion functions for several options
Add cmdline tab-completion for setting string options
Add tab-completion for setting string options on the cmdline using
`:set=` (along with `:set+=` and `:set-=`).
The existing tab completion for setting options currently only works
when nothing is typed yet, and it only fills in with the existing value,
e.g. when the user does `:set diffopt=<Tab>` it will be completed to
`set diffopt=internal,filler,closeoff` and nothing else. This isn't too
useful as a user usually wants auto-complete to suggest all the possible
values, such as 'iblank', or 'algorithm:patience'.
For set= and set+=, this adds a new optional callback function for each
option that can be invoked when doing completion. This allows for each
option to have control over how completion works. For example, in
'diffopt', it will suggest the default enumeration, but if `algorithm:`
is selected, it will further suggest different algorithm types like
'meyers' and 'patience'. When using set=, the existing option value will
be filled in as the first choice to preserve the existing behavior. When
using set+= this won't happen as it doesn't make sense.
For flag list options (e.g. 'mouse' and 'guioptions'), completion will
take into account existing typed values (and in the case of set+=, the
existing option value) to make sure it doesn't suggest duplicates.
For set-=, there is a new `ExpandSettingSubtract` function which will
handle flag list and comma-separated options smartly, by only suggesting
values that currently exist in the option.
Note that Vim has some existing code that adds special handling for
'filetype', 'syntax', and misc dir options like 'backupdir'. This change
preserves them as they already work, instead of converting to the new
callback API for each option.
closes: vim/vim#13182
https://github.com/vim/vim/commit/900894b09a95398dfc75599e9f0aa2ea25723384
Co-authored-by: Yee Cheng Chin <ychin.git@gmail.com>
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- Move vimoption_T to option.h
- option_defs.h is for option-related types
- option_vars.h corresponds to Vim's option.h
- option_defs.h and option_vars.h don't include each other
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long is 32-bits even on 64-bit windows which makes the type suboptimal
for a codebase meant to be cross-platform.
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A lot of updated places in the docs were already incorrect since long
since they did not reflect the default behaviour.
"[dos format]" could've been argued being better for discoverability
but that ship has already sailed as it is no longer displayed by default.
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The removes the previous restriction that nvim_buf_set_extmark()
could not be used to highlight arbitrary multi-line regions
The problem can be summarized as follows: let's assume an extmark with a
hl_group is placed covering the region (5,0) to (50,0) Now, consider
what happens if nvim needs to redraw a window covering the lines 20-30.
It needs to be able to ask the marktree what extmarks cover this region,
even if they don't begin or end here.
Therefore the marktree needs to be augmented with the information covers
a point, not just what marks begin or end there. To do this, we augment
each node with a field "intersect" which is a set the ids of the
marks which overlap this node, but only if it is not part of the set of
any parent. This ensures the number of nodes that need to be explicitly
marked grows only logarithmically with the total number of explicitly
nodes (and thus the number of of overlapping marks).
Thus we can quickly iterate all marks which overlaps any query position
by looking up what leaf node contains that position. Then we only need
to consider all "start" marks within that leaf node, and the "intersect"
set of that node and all its parents.
Now, and the major source of complexity is that the tree restructuring
operations (to ensure that each node has T-1 <= size <= 2*T-1) also need
to update these sets. If a full inner node is split in two, one of the
new parents might start to completely overlap some ranges and its ids
will need to be moved from its children's sets to its own set.
Similarly, if two undersized nodes gets joined into one, it might no
longer completely overlap some ranges, and now the children which do
needs to have the have the ids in its set instead. And then there are
the pivots! Yes the pivot operations when a child gets moved from one
parent to another.
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Option related code uses `char *` for pointer to option value, which is not the best way of representing a type-agnostic pointer.
Solution: Make pointers to option value use `void *` instead.
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Removes the `getoption_T` struct and also introduces the `OptVal` struct
to unify the methods of getting/setting different option value types.
This is the first of many PRs to reduce code duplication in the Vim
option code as well as to make options easier to maintain. It also
increases the flexibility and extensibility of options. Which opens the
door for things like Array and Dictionary options.
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Problem: Some make output gets picked up by 'errorformat'.
Solution: Ignore make output by default. (Gregory Anders, closes vim/vim#12481)
https://github.com/vim/vim/commit/d1911a8e2b1498f0cb0275a98f63dd212204a1a8
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Because typval_defs.h is enough for most of them.
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(#23517)
Problem: Search stats not always visible when searching backwards.
Solution: Do not display the top/bot message on top of the search stats.
(Christian Brabandt, closes vim/vim#12322, closes vim/vim#12222)
https://github.com/vim/vim/commit/34a6a3617b5b6ce11372439f14762caddc4b0cea
Co-authored-by: Christian Brabandt <cb@256bit.org>
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Problem: Cannot scroll by screen line if a line wraps.
Solution: Add the 'smoothscroll' option. Only works for CTRL-E and CTRL-Y
so far.
https://github.com/vim/vim/commit/f6196f424474e2a9c160f2a995fc2691f82b58f9
vim-patch:9.0.0641: missing part of the new option code
Problem: Missing part of the new option code.
Solution: Add missing WV_SMS.
https://github.com/vim/vim/commit/bbbda8fd81f6d720962b67ae885825bad9be4456
Co-authored-by: Bram Moolenaar <Bram@vim.org>
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Problem: Functions without arguments are not always declared properly.
Solution: Use "(void)" instead of "()". (Yegappan Lakshmanan, closes vim/vim#12031)
https://github.com/vim/vim/commit/a23a11b5bf03454b71fdb5deac0d5f641e222160
Co-authored-by: Yegappan Lakshmanan <yegappan@yahoo.com>
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Problem: Function for setting options not used consistently.
Solution: Use a function for 'encoding' and terminal options. (Yegappan
Lakshmanan, closes vim/vim#12099)
https://github.com/vim/vim/commit/c727b19e9f1df36e44321d933334c7b4961daa54
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Problem: Too many "else if" statements in handling options.
Solution: Add more functions for handling option changes. (Yegappan
Lakshmanan, closes vim/vim#12060)
https://github.com/vim/vim/commit/5da901bb68717b2baff6e971c1517219b6ee3a67
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Problem: Too many "else if" statements to handle option values.
Solution: Add more functions to handle option value changes. (Yegappan
Lakshmanan, closes vim/vim#12058)
https://github.com/vim/vim/commit/6d611de58c8e324491415da8e79c6bd3faa3e848
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Problem: Handling new value of an option has a long "else if" chain.
Solution: Use a function pointer. (Yegappan Lakshmanan, closes vim/vim#12015)
https://github.com/vim/vim/commit/af93691b53f38784efce0b93fe7644c44a7e382e
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Notable changes: replace all infinite loops to `while(true)` and remove
`int` from `unsigned int`.
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Problem: Code for making 'shortmess' temporarily empty is repeated.
Solution: Add functions for making 'shortmess' empty and restoring it.
(Christian Brabandt, closes vim/vim#11709)
https://github.com/vim/vim/commit/9aee8ec400fe617f6d82441c46a22d0cef6fa3e6
Co-authored-by: Christian Brabandt <cb@256bit.org>
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Closes https://github.com/neovim/neovim/issues/459
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we cannot remove 'paste'. It is very common in plugins and configs.
'pastetoggle' can and should be removed though, it's a total waste of everyone's time because it generates bug reports and doesn't work well, and is useless because bracketed-paste works better.
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(#22619)
Problem: Highlight for popupmenu kind and extra cannot be set.
Solution: Add PmenuKind, PmenuKindSel, PmenuExtra and PmenuExtraSel
highlight groups and use them. (Gianmaria Bajo, closes vim/vim#12114)
https://github.com/vim/vim/commit/6a7c7749204b256e779c245b1e999bf852ad7b64
Co-authored-by: Gianmaria Bajo <mg1979.git@gmail.com>
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This feature has long been obsolete. The 'keymap' option can be used
to support language keymaps, including hebrew and hebrewp (phonetic
mapping). There is no need to keep the old c code with hardcoded
keymaps for some languages.
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refactor: replace char_u with char
Work on https://github.com/neovim/neovim/issues/459
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refactor: replace char_u with char
Work on https://github.com/neovim/neovim/issues/459
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Problem: Completion only uses strict matching.
Solution: Add the "fuzzy" item for 'wildoptions'. (Yegappan Lakshmanan,
closes vim/vim#9803)
https://github.com/vim/vim/commit/38b85cb4d7216705058708bacbc25ab90cd61595
Use MAX_FUZZY_MATCHES in fuzzy_match_str().
Omit fuzmatch_str_free() as it is only used on allocation failure.
Co-authored-by: Yegappan Lakshmanan <yegappan@yahoo.com>
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