Mercurial > vim
annotate runtime/doc/map.txt @ 27150:2d0ea3f9ffe1 v8.2.4104
patch 8.2.4104: Vim9: lower casing the autoload prefix causes problems
Commit: https://github.com/vim/vim/commit/bfac409d0b24d212a6d846edb651c49dac03745f
Author: Bram Moolenaar <Bram@vim.org>
Date: Sun Jan 16 11:12:12 2022 +0000
patch 8.2.4104: Vim9: lower casing the autoload prefix causes problems
Problem: Vim9: lower casing the autoload prefix causes problems.
Solution: Always store the prefix with case preserved.
| author | Bram Moolenaar <Bram@vim.org> |
|---|---|
| date | Sun, 16 Jan 2022 12:15:04 +0100 |
| parents | a9eeb18e749c |
| children | b19230a8d40a |
| rev | line source |
|---|---|
| 27036 | 1 *map.txt* For Vim version 8.2. Last change: 2022 Jan 03 |
| 7 | 2 |
| 3 | |
| 4 VIM REFERENCE MANUAL by Bram Moolenaar | |
| 5 | |
| 6 | |
| 7 Key mapping, abbreviations and user-defined commands. | |
| 8 | |
| 27036 | 9 This subject is introduced in sections |05.4|, |24.7| and |40.1| of the user |
| 7 | 10 manual. |
| 11 | |
| 12 1. Key mapping |key-mapping| | |
| 592 | 13 1.1 MAP COMMANDS |:map-commands| |
| 14 1.2 Special arguments |:map-arguments| | |
| 15 1.3 Mapping and modes |:map-modes| | |
| 16 1.4 Listing mappings |map-listing| | |
| 17 1.5 Mapping special keys |:map-special-keys| | |
| 18 1.6 Special characters |:map-special-chars| | |
| 19 1.7 What keys to map |map-which-keys| | |
| 20 1.8 Examples |map-examples| | |
| 21 1.9 Using mappings |map-typing| | |
| 22 1.10 Mapping alt-keys |:map-alt-keys| | |
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23 1.11 Mapping in modifyOtherKeys mode |modifyOtherKeys| |
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24 1.12 Mapping an operator |:map-operator| |
| 7 | 25 2. Abbreviations |abbreviations| |
| 26 3. Local mappings and functions |script-local| | |
| 27 4. User-defined commands |user-commands| | |
| 28 | |
| 29 ============================================================================== | |
| 30 1. Key mapping *key-mapping* *mapping* *macro* | |
| 31 | |
| 32 Key mapping is used to change the meaning of typed keys. The most common use | |
| 12559 | 33 is to define a sequence of commands for a function key. Example: > |
| 7 | 34 |
| 35 :map <F2> a<C-R>=strftime("%c")<CR><Esc> | |
| 36 | |
| 236 | 37 This appends the current date and time after the cursor (in <> notation |<>|). |
| 7 | 38 |
| 592 | 39 |
| 40 1.1 MAP COMMANDS *:map-commands* | |
| 41 | |
| 7 | 42 There are commands to enter new mappings, remove mappings and list mappings. |
| 43 See |map-overview| for the various forms of "map" and their relationships with | |
| 44 modes. | |
| 45 | |
| 46 {lhs} means left-hand-side *{lhs}* | |
| 47 {rhs} means right-hand-side *{rhs}* | |
| 48 | |
| 663 | 49 :map {lhs} {rhs} |mapmode-nvo| *:map* |
| 50 :nm[ap] {lhs} {rhs} |mapmode-n| *:nm* *:nmap* | |
| 51 :vm[ap] {lhs} {rhs} |mapmode-v| *:vm* *:vmap* | |
| 788 | 52 :xm[ap] {lhs} {rhs} |mapmode-x| *:xm* *:xmap* |
| 4358 | 53 :smap {lhs} {rhs} |mapmode-s| *:smap* |
| 663 | 54 :om[ap] {lhs} {rhs} |mapmode-o| *:om* *:omap* |
| 55 :map! {lhs} {rhs} |mapmode-ic| *:map!* | |
| 56 :im[ap] {lhs} {rhs} |mapmode-i| *:im* *:imap* | |
| 16944 | 57 :lm[ap] {lhs} {rhs} |mapmode-l| *:lm* *:lma* *:lmap* |
| 663 | 58 :cm[ap] {lhs} {rhs} |mapmode-c| *:cm* *:cmap* |
| 12499 | 59 :tma[p] {lhs} {rhs} |mapmode-t| *:tma* *:tmap* |
| 7 | 60 Map the key sequence {lhs} to {rhs} for the modes |
| 61 where the map command applies. The result, including | |
| 62 {rhs}, is then further scanned for mappings. This | |
| 63 allows for nested and recursive use of mappings. | |
| 26148 | 64 Note: Trailing spaces are included in the {rhs}, |
| 65 because space is a valid Normal mode command. | |
| 7 | 66 |
| 5968 | 67 *:nore* *:norem* |
| 68 :no[remap] {lhs} {rhs} |mapmode-nvo| *:no* *:noremap* *:nor* | |
| 69 :nn[oremap] {lhs} {rhs} |mapmode-n| *:nn* *:nnoremap* | |
| 70 :vn[oremap] {lhs} {rhs} |mapmode-v| *:vn* *:vnoremap* | |
| 71 :xn[oremap] {lhs} {rhs} |mapmode-x| *:xn* *:xnoremap* | |
| 16944 | 72 :snor[emap] {lhs} {rhs} |mapmode-s| *:snor* *:snore* *:snoremap* |
| 5968 | 73 :ono[remap] {lhs} {rhs} |mapmode-o| *:ono* *:onoremap* |
| 74 :no[remap]! {lhs} {rhs} |mapmode-ic| *:no!* *:noremap!* | |
| 16944 | 75 :ino[remap] {lhs} {rhs} |mapmode-i| *:ino* *:inor* *:inoremap* |
| 5968 | 76 :ln[oremap] {lhs} {rhs} |mapmode-l| *:ln* *:lnoremap* |
| 16944 | 77 :cno[remap] {lhs} {rhs} |mapmode-c| *:cno* *:cnor* *:cnoremap* |
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78 :tno[remap] {lhs} {rhs} |mapmode-t| *:tno* *:tnoremap* |
| 7 | 79 Map the key sequence {lhs} to {rhs} for the modes |
| 80 where the map command applies. Disallow mapping of | |
| 81 {rhs}, to avoid nested and recursive mappings. Often | |
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82 used to redefine a command. |
| 7 | 83 |
| 84 | |
| 663 | 85 :unm[ap] {lhs} |mapmode-nvo| *:unm* *:unmap* |
| 86 :nun[map] {lhs} |mapmode-n| *:nun* *:nunmap* | |
| 87 :vu[nmap] {lhs} |mapmode-v| *:vu* *:vunmap* | |
| 788 | 88 :xu[nmap] {lhs} |mapmode-x| *:xu* *:xunmap* |
| 89 :sunm[ap] {lhs} |mapmode-s| *:sunm* *:sunmap* | |
| 663 | 90 :ou[nmap] {lhs} |mapmode-o| *:ou* *:ounmap* |
| 91 :unm[ap]! {lhs} |mapmode-ic| *:unm!* *:unmap!* | |
| 92 :iu[nmap] {lhs} |mapmode-i| *:iu* *:iunmap* | |
| 93 :lu[nmap] {lhs} |mapmode-l| *:lu* *:lunmap* | |
| 16944 | 94 :cu[nmap] {lhs} |mapmode-c| *:cu* *:cun* *:cunmap* |
| 12499 | 95 :tunma[p] {lhs} |mapmode-t| *:tunma* *:tunmap* |
| 7 | 96 Remove the mapping of {lhs} for the modes where the |
| 97 map command applies. The mapping may remain defined | |
| 98 for other modes where it applies. | |
| 26219 | 99 It also works when {lhs} matches the {rhs} of a |
| 27036 | 100 mapping. This is for when an abbreviation applied. |
| 7 | 101 Note: Trailing spaces are included in the {lhs}. This |
| 102 unmap does NOT work: > | |
| 103 :map @@ foo | |
| 104 :unmap @@ | print | |
| 105 | |
| 663 | 106 :mapc[lear] |mapmode-nvo| *:mapc* *:mapclear* |
| 107 :nmapc[lear] |mapmode-n| *:nmapc* *:nmapclear* | |
| 108 :vmapc[lear] |mapmode-v| *:vmapc* *:vmapclear* | |
| 788 | 109 :xmapc[lear] |mapmode-x| *:xmapc* *:xmapclear* |
| 110 :smapc[lear] |mapmode-s| *:smapc* *:smapclear* | |
| 663 | 111 :omapc[lear] |mapmode-o| *:omapc* *:omapclear* |
| 112 :mapc[lear]! |mapmode-ic| *:mapc!* *:mapclear!* | |
| 113 :imapc[lear] |mapmode-i| *:imapc* *:imapclear* | |
| 114 :lmapc[lear] |mapmode-l| *:lmapc* *:lmapclear* | |
| 115 :cmapc[lear] |mapmode-c| *:cmapc* *:cmapclear* | |
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116 :tmapc[lear] |mapmode-t| *:tmapc* *:tmapclear* |
| 7 | 117 Remove ALL mappings for the modes where the map |
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118 command applies. |
| 2908 | 119 Use the <buffer> argument to remove buffer-local |
| 120 mappings |:map-<buffer>| | |
| 7 | 121 Warning: This also removes the default mappings. |
| 122 | |
| 663 | 123 :map |mapmode-nvo| |
| 124 :nm[ap] |mapmode-n| | |
| 125 :vm[ap] |mapmode-v| | |
| 788 | 126 :xm[ap] |mapmode-x| |
| 127 :sm[ap] |mapmode-s| | |
| 663 | 128 :om[ap] |mapmode-o| |
| 129 :map! |mapmode-ic| | |
| 130 :im[ap] |mapmode-i| | |
| 131 :lm[ap] |mapmode-l| | |
| 132 :cm[ap] |mapmode-c| | |
| 12499 | 133 :tma[p] |mapmode-t| |
| 7 | 134 List all key mappings for the modes where the map |
| 135 command applies. Note that ":map" and ":map!" are | |
| 136 used most often, because they include the other modes. | |
| 137 | |
| 663 | 138 :map {lhs} |mapmode-nvo| *:map_l* |
| 139 :nm[ap] {lhs} |mapmode-n| *:nmap_l* | |
| 140 :vm[ap] {lhs} |mapmode-v| *:vmap_l* | |
| 788 | 141 :xm[ap] {lhs} |mapmode-x| *:xmap_l* |
| 142 :sm[ap] {lhs} |mapmode-s| *:smap_l* | |
| 663 | 143 :om[ap] {lhs} |mapmode-o| *:omap_l* |
| 144 :map! {lhs} |mapmode-ic| *:map_l!* | |
| 145 :im[ap] {lhs} |mapmode-i| *:imap_l* | |
| 146 :lm[ap] {lhs} |mapmode-l| *:lmap_l* | |
| 147 :cm[ap] {lhs} |mapmode-c| *:cmap_l* | |
| 12499 | 148 :tma[p] {lhs} |mapmode-t| *:tmap_l* |
| 7 | 149 List the key mappings for the key sequences starting |
| 150 with {lhs} in the modes where the map command applies. | |
| 151 | |
| 152 These commands are used to map a key or key sequence to a string of | |
| 153 characters. You can use this to put command sequences under function keys, | |
| 154 translate one key into another, etc. See |:mkexrc| for how to save and | |
| 155 restore the current mappings. | |
| 156 | |
| 592 | 157 *map-ambiguous* |
| 158 When two mappings start with the same sequence of characters, they are | |
| 159 ambiguous. Example: > | |
| 160 :imap aa foo | |
| 161 :imap aaa bar | |
| 162 When Vim has read "aa", it will need to get another character to be able to | |
| 163 decide if "aa" or "aaa" should be mapped. This means that after typing "aa" | |
| 164 that mapping won't get expanded yet, Vim is waiting for another character. | |
| 165 If you type a space, then "foo" will get inserted, plus the space. If you | |
| 166 type "a", then "bar" will get inserted. | |
| 167 | |
| 168 | |
| 169 1.2 SPECIAL ARGUMENTS *:map-arguments* | |
| 170 | |
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171 "<buffer>", "<nowait>", "<silent>", "<special>", "<script>", "<expr>" and |
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172 "<unique>" can be used in any order. They must appear right after the |
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173 command, before any other arguments. |
| 721 | 174 |
| 26591 | 175 *:map-local* *:map-<buffer>* *:map-buffer* *E224* *E225* |
| 1668 | 176 If the first argument to one of these commands is "<buffer>" the mapping will |
| 177 be effective in the current buffer only. Example: > | |
| 7 | 178 :map <buffer> ,w /[.,;]<CR> |
| 179 Then you can map ",w" to something else in another buffer: > | |
| 180 :map <buffer> ,w /[#&!]<CR> | |
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181 The local buffer mappings are used before the global ones. See <nowait> below |
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182 to make a short local mapping not taking effect when a longer global one |
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183 exists. |
| 7 | 184 The "<buffer>" argument can also be used to clear mappings: > |
| 185 :unmap <buffer> ,w | |
| 186 :mapclear <buffer> | |
| 187 Local mappings are also cleared when a buffer is deleted, but not when it is | |
| 188 unloaded. Just like local option values. | |
| 4869 | 189 Also see |map-precedence|. |
| 7 | 190 |
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191 *:map-<nowait>* *:map-nowait* |
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192 When defining a buffer-local mapping for "," there may be a global mapping |
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193 that starts with ",". Then you need to type another character for Vim to know |
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194 whether to use the "," mapping or the longer one. To avoid this add the |
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195 <nowait> argument. Then the mapping will be used when it matches, Vim does |
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196 not wait for more characters to be typed. However, if the characters were |
| 11473 | 197 already typed they are used. |
| 21991 | 198 Note that this works when the <nowait> mapping fully matches and is found |
| 199 before any partial matches. This works when: | |
| 200 - There is only one matching buffer-local mapping, since these are always | |
| 201 found before global mappings. | |
| 22171 | 202 - There is another buffer-local mapping that partly matches, but it is |
| 21991 | 203 defined earlier (last defined mapping is found first). |
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204 |
| 7 | 205 *:map-<silent>* *:map-silent* |
| 206 To define a mapping which will not be echoed on the command line, add | |
| 207 "<silent>" as the first argument. Example: > | |
| 208 :map <silent> ,h /Header<CR> | |
| 209 The search string will not be echoed when using this mapping. Messages from | |
| 210 the executed command are still given though. To shut them up too, add a | |
| 211 ":silent" in the executed command: > | |
| 212 :map <silent> ,h :exe ":silent normal /Header\r"<CR> | |
| 213 Prompts will still be given, e.g., for inputdialog(). | |
| 214 Using "<silent>" for an abbreviation is possible, but will cause redrawing of | |
| 215 the command line to fail. | |
| 216 | |
| 859 | 217 *:map-<special>* *:map-special* |
| 218 Define a mapping with <> notation for special keys, even though the "<" flag | |
| 219 may appear in 'cpoptions'. This is useful if the side effect of setting | |
| 220 'cpoptions' is not desired. Example: > | |
| 221 :map <special> <F12> /Header<CR> | |
| 222 < | |
| 7 | 223 *:map-<script>* *:map-script* |
| 224 If the first argument to one of these commands is "<script>" and it is used to | |
| 225 define a new mapping or abbreviation, the mapping will only remap characters | |
| 226 in the {rhs} using mappings that were defined local to a script, starting with | |
| 227 "<SID>". This can be used to avoid that mappings from outside a script | |
| 228 interfere (e.g., when CTRL-V is remapped in mswin.vim), but do use other | |
| 229 mappings defined in the script. | |
| 230 Note: ":map <script>" and ":noremap <script>" do the same thing. The | |
| 231 "<script>" overrules the command name. Using ":noremap <script>" is | |
| 232 preferred, because it's clearer that remapping is (mostly) disabled. | |
| 233 | |
| 26591 | 234 *:map-<unique>* *:map-unique* *E226* *E227* |
| 7 | 235 If the first argument to one of these commands is "<unique>" and it is used to |
| 236 define a new mapping or abbreviation, the command will fail if the mapping or | |
| 237 abbreviation already exists. Example: > | |
| 238 :map <unique> ,w /[#&!]<CR> | |
| 239 When defining a local mapping, there will also be a check if a global map | |
| 240 already exists which is equal. | |
| 241 Example of what will fail: > | |
| 242 :map ,w /[#&!]<CR> | |
| 243 :map <buffer> <unique> ,w /[.,;]<CR> | |
| 626 | 244 If you want to map a key and then have it do what it was originally mapped to, |
| 245 have a look at |maparg()|. | |
| 7 | 246 |
| 721 | 247 *:map-<expr>* *:map-expression* |
| 248 If the first argument to one of these commands is "<expr>" and it is used to | |
| 249 define a new mapping or abbreviation, the argument is an expression. The | |
| 250 expression is evaluated to obtain the {rhs} that is used. Example: > | |
| 24569 | 251 :inoremap <expr> . <SID>InsertDot() |
| 252 The result of the s:InsertDot() function will be inserted. It could check the | |
| 721 | 253 text before the cursor and start omni completion when some condition is met. |
| 24569 | 254 Using a script-local function is preferred, to avoid polluting the global |
| 255 namespace. Use <SID> in the RHS so that the script that the mapping was | |
| 256 defined in can be found. | |
| 721 | 257 |
| 1969 | 258 For abbreviations |v:char| is set to the character that was typed to trigger |
| 259 the abbreviation. You can use this to decide how to expand the {lhs}. You | |
| 3082 | 260 should not either insert or change the v:char. |
| 1969 | 261 |
| 22565 | 262 In case you want the mapping to not do anything, you can have the expression |
| 263 evaluate to an empty string. If something changed that requires Vim to | |
| 264 go through the main loop (e.g. to update the display), return "\<Ignore>". | |
| 265 This is similar to "nothing" but makes Vim return from the loop that waits for | |
| 266 input. Example: > | |
| 267 func s:OpenPopup() | |
| 268 call popup_create(... arguments ...) | |
| 269 return "\<Ignore>" | |
| 270 endfunc | |
| 24569 | 271 nnoremap <expr> <F3> <SID>OpenPopup() |
| 22565 | 272 |
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273 Also, keep in mind that the expression may be evaluated when looking for |
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274 typeahead, before the previous command has been executed. For example: > |
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275 func StoreColumn() |
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276 let g:column = col('.') |
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277 return 'x' |
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278 endfunc |
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279 nnoremap <expr> x StoreColumn() |
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280 nmap ! f!x |
| 24278 | 281 You will notice that g:column has the value from before executing "f!", |
| 282 because "x" is evaluated before "f!" is executed. | |
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283 This can be solved by inserting <Ignore> before the character that is |
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284 expression-mapped: > |
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285 nmap ! f!<Ignore>x |
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286 |
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287 When defining a mapping in a |Vim9| script, the expression will be evaluated |
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288 in the context of that script. This means that script-local items can be |
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289 accessed in the expression. |
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290 |
| 721 | 291 Be very careful about side effects! The expression is evaluated while |
| 856 | 292 obtaining characters, you may very well make the command dysfunctional. |
| 293 For this reason the following is blocked: | |
| 1132 | 294 - Changing the buffer text |textlock|. |
| 295 - Editing another buffer. | |
| 296 - The |:normal| command. | |
| 297 - Moving the cursor is allowed, but it is restored afterwards. | |
| 856 | 298 If you want the mapping to do any of these let the returned characters do |
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299 that, or use a |<Cmd>| mapping instead. |
| 721 | 300 |
| 3153 | 301 You can use getchar(), it consumes typeahead if there is any. E.g., if you |
| 302 have these mappings: > | |
| 303 inoremap <expr> <C-L> nr2char(getchar()) | |
| 304 inoremap <expr> <C-L>x "foo" | |
| 305 If you now type CTRL-L nothing happens yet, Vim needs the next character to | |
| 306 decide what mapping to use. If you type 'x' the second mapping is used and | |
| 3224 | 307 "foo" is inserted. If you type any other key the first mapping is used, |
| 308 getchar() gets the typed key and returns it. | |
| 3153 | 309 |
| 721 | 310 Here is an example that inserts a list number that increases: > |
| 311 let counter = 0 | |
| 312 inoremap <expr> <C-L> ListItem() | |
| 313 inoremap <expr> <C-R> ListReset() | |
| 314 | |
| 315 func ListItem() | |
| 316 let g:counter += 1 | |
| 317 return g:counter . '. ' | |
| 318 endfunc | |
| 319 | |
| 320 func ListReset() | |
| 321 let g:counter = 0 | |
| 322 return '' | |
| 323 endfunc | |
| 324 | |
| 727 | 325 CTRL-L inserts the next number, CTRL-R resets the count. CTRL-R returns an |
| 721 | 326 empty string, so that nothing is inserted. |
| 7 | 327 |
| 22171 | 328 Note that using 0x80 as a single byte before other text does not work, it will |
| 329 be seen as a special key. | |
| 837 | 330 |
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331 *<Cmd>* *:map-cmd* |
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332 The special text <Cmd> begins a "command mapping", it executes the command |
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333 directly without changing modes. Where you might use ":...<CR>" in the |
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334 {rhs} of a mapping, you can instead use "<Cmd>...<CR>". |
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335 Example: > |
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336 noremap x <Cmd>echo mode(1)<CR> |
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337 < |
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338 This is more flexible than `:<C-U>` in Visual and Operator-pending mode, or |
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339 `<C-O>:` in Insert mode, because the commands are executed directly in the |
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340 current mode, instead of always going to Normal mode. Visual mode is |
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341 preserved, so tricks with |gv| are not needed. Commands can be invoked |
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342 directly in Command-line mode (which would otherwise require timer hacks). |
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343 Example of using <Cmd> halfway Insert mode: > |
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344 nnoremap <F3> aText <Cmd>echo mode(1)<CR> Added<Esc> |
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345 |
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346 Unlike <expr> mappings, there are no special restrictions on the <Cmd> |
| 22958 | 347 command: it is executed as if an (unrestricted) |autocommand| was invoked. |
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348 |
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349 *<ScriptCmd>* |
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350 <ScriptCmd> is like <Cmd> but sets the context to the script the mapping was |
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351 defined in, for the duration of the command execution. This is especially |
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352 useful for |Vim9| script. It also works to access an import, which is useful |
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353 in a plugin using an autoload script: > |
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354 vim9script |
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355 import autoload 'implementation.vim' as impl |
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356 nnoremap <silent> <F4> <ScriptCmd>impl.DoTheWork()<CR> |
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357 |
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358 No matter where <F4> is typed, the "impl" import will be found in the script |
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359 context of where the mapping was defined. And since it's an autoload import, |
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360 the "implementation.vim" script will only be loaded once <F4> is typed, not |
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361 when the mapping is defined. |
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362 |
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363 Note: |
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364 - Because <Cmd> and <ScriptCmd> avoid mode-changes it does not trigger |
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365 |CmdlineEnter| and |CmdlineLeave| events, because no user interaction is |
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366 expected. |
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367 - For the same reason, |keycodes| like <C-R><C-W> are interpreted as plain, |
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368 unmapped keys. |
| 22958 | 369 - The command is not echo'ed, no need for <silent>. |
| 26219 | 370 - The {rhs} is not subject to abbreviations nor to other mappings, even if the |
| 371 mapping is recursive. | |
| 22958 | 372 - In Visual mode you can use `line('v')` and `col('v')` to get one end of the |
| 373 Visual area, the cursor is at the other end. | |
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374 - In Select mode, |:map| and |:vmap| command mappings are executed in |
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375 Visual mode. Use |:smap| to handle Select mode differently. |
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376 |
| 26779 | 377 *E1255* *E1136* |
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378 <Cmd> and <ScriptCmd> commands must terminate, that is, they must be followed |
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379 by <CR> in the {rhs} of the mapping definition. |Command-line| mode is never |
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380 entered. |
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381 |
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382 *E1137* |
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383 <Cmd> and <ScriptCmd> commands can have only normal characters and cannot |
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384 contain special characters like function keys. |
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385 |
| 7 | 386 |
| 592 | 387 1.3 MAPPING AND MODES *:map-modes* |
| 1619 | 388 *mapmode-nvo* *mapmode-n* *mapmode-v* *mapmode-o* |
| 7 | 389 |
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390 There are six sets of mappings |
| 7 | 391 - For Normal mode: When typing commands. |
| 392 - For Visual mode: When typing commands while the Visual area is highlighted. | |
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393 - For Select mode: like Visual mode but typing text replaces the selection. |
| 7 | 394 - For Operator-pending mode: When an operator is pending (after "d", "y", "c", |
| 1619 | 395 etc.). See below: |omap-info|. |
| 236 | 396 - For Insert mode. These are also used in Replace mode. |
| 7 | 397 - For Command-line mode: When entering a ":" or "/" command. |
| 398 | |
| 399 Special case: While typing a count for a command in Normal mode, mapping zero | |
| 400 is disabled. This makes it possible to map zero without making it impossible | |
| 401 to type a count with a zero. | |
| 402 | |
| 403 *map-overview* *map-modes* | |
| 5908 | 404 Overview of which map command works in which mode. More details below. |
| 405 COMMANDS MODES ~ | |
| 406 :map :noremap :unmap Normal, Visual, Select, Operator-pending | |
| 407 :nmap :nnoremap :nunmap Normal | |
| 408 :vmap :vnoremap :vunmap Visual and Select | |
| 409 :smap :snoremap :sunmap Select | |
| 410 :xmap :xnoremap :xunmap Visual | |
| 411 :omap :onoremap :ounmap Operator-pending | |
| 412 :map! :noremap! :unmap! Insert and Command-line | |
| 413 :imap :inoremap :iunmap Insert | |
| 414 :lmap :lnoremap :lunmap Insert, Command-line, Lang-Arg | |
| 415 :cmap :cnoremap :cunmap Command-line | |
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416 :tmap :tnoremap :tunmap Terminal-Job |
| 7 | 417 |
| 24636 | 418 Same information in a table: |
| 419 *map-table* | |
| 420 Mode | Norm | Ins | Cmd | Vis | Sel | Opr | Term | Lang | ~ | |
| 421 Command +------+-----+-----+-----+-----+-----+------+------+ ~ | |
| 422 [nore]map | yes | - | - | yes | yes | yes | - | - | | |
| 423 n[nore]map | yes | - | - | - | - | - | - | - | | |
| 424 [nore]map! | - | yes | yes | - | - | - | - | - | | |
| 425 i[nore]map | - | yes | - | - | - | - | - | - | | |
| 426 c[nore]map | - | - | yes | - | - | - | - | - | | |
| 427 v[nore]map | - | - | - | yes | yes | - | - | - | | |
| 428 x[nore]map | - | - | - | yes | - | - | - | - | | |
| 429 s[nore]map | - | - | - | - | yes | - | - | - | | |
| 430 o[nore]map | - | - | - | - | - | yes | - | - | | |
| 431 t[nore]map | - | - | - | - | - | - | yes | - | | |
| 432 l[nore]map | - | yes | yes | - | - | - | - | yes | | |
| 433 | |
| 5908 | 434 |
| 435 COMMANDS MODES ~ | |
| 856 | 436 Normal Visual+Select Operator-pending ~ |
| 437 :map :noremap :unmap :mapclear yes yes yes | |
| 438 :nmap :nnoremap :nunmap :nmapclear yes - - | |
| 439 :vmap :vnoremap :vunmap :vmapclear - yes - | |
| 440 :omap :onoremap :ounmap :omapclear - - yes | |
| 788 | 441 |
| 826 | 442 :nunmap can also be used outside of a monastery. |
| 856 | 443 *mapmode-x* *mapmode-s* |
| 788 | 444 Some commands work both in Visual and Select mode, some in only one. Note |
| 445 that quite often "Visual" is mentioned where both Visual and Select mode | |
| 446 apply. |Select-mode-mapping| | |
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447 NOTE: Mapping a printable character in Select mode may confuse the user. It's |
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448 better to explicitly use :xmap and :smap for printable characters. Or use |
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449 :sunmap after defining the mapping. |
| 788 | 450 |
| 5908 | 451 COMMANDS MODES ~ |
| 856 | 452 Visual Select ~ |
| 453 :vmap :vnoremap :vunmap :vmapclear yes yes | |
| 454 :xmap :xnoremap :xunmap :xmapclear yes - | |
| 455 :smap :snoremap :sunmap :smapclear - yes | |
| 7 | 456 |
| 663 | 457 *mapmode-ic* *mapmode-i* *mapmode-c* *mapmode-l* |
| 788 | 458 Some commands work both in Insert mode and Command-line mode, some not: |
| 459 | |
| 5908 | 460 COMMANDS MODES ~ |
| 7 | 461 Insert Command-line Lang-Arg ~ |
| 462 :map! :noremap! :unmap! :mapclear! yes yes - | |
| 463 :imap :inoremap :iunmap :imapclear yes - - | |
| 464 :cmap :cnoremap :cunmap :cmapclear - yes - | |
| 465 :lmap :lnoremap :lunmap :lmapclear yes* yes* yes* | |
| 466 | |
| 18594 | 467 * If 'iminsert' is 1, see |language-mapping| below. |
| 468 | |
| 7 | 469 The original Vi did not have separate mappings for |
| 470 Normal/Visual/Operator-pending mode and for Insert/Command-line mode. | |
| 471 Therefore the ":map" and ":map!" commands enter and display mappings for | |
| 472 several modes. In Vim you can use the ":nmap", ":vmap", ":omap", ":cmap" and | |
| 473 ":imap" commands to enter mappings for each mode separately. | |
| 474 | |
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475 *mapmode-t* |
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476 The terminal mappings are used in a terminal window, when typing keys for the |
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477 job running in the terminal. See |terminal-typing|. |
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478 |
| 1619 | 479 *omap-info* |
| 480 Operator-pending mappings can be used to define a movement command that can be | |
| 14864 | 481 used with any operator. Simple example: > |
| 482 :omap { w | |
| 483 makes "y{" work like "yw" and "d{" like "dw". | |
| 1619 | 484 |
| 485 To ignore the starting cursor position and select different text, you can have | |
| 486 the omap start Visual mode to select the text to be operated upon. Example | |
| 487 that operates on a function name in the current line: > | |
| 488 onoremap <silent> F :<C-U>normal! 0f(hviw<CR> | |
| 489 The CTRL-U (<C-U>) is used to remove the range that Vim may insert. The | |
| 490 Normal mode commands find the first '(' character and select the first word | |
| 491 before it. That usually is the function name. | |
| 492 | |
| 7 | 493 To enter a mapping for Normal and Visual mode, but not Operator-pending mode, |
| 14864 | 494 first define it for all three modes, then unmap it for |
| 495 Operator-pending mode: > | |
| 7 | 496 :map xx something-difficult |
| 497 :ounmap xx | |
| 14864 | 498 |
| 7 | 499 Likewise for a mapping for Visual and Operator-pending mode or Normal and |
| 500 Operator-pending mode. | |
| 501 | |
| 502 *language-mapping* | |
| 503 ":lmap" defines a mapping that applies to: | |
| 504 - Insert mode | |
| 505 - Command-line mode | |
| 506 - when entering a search pattern | |
| 507 - the argument of the commands that accept a text character, such as "r" and | |
| 508 "f" | |
| 509 - for the input() line | |
| 510 Generally: Whenever a character is to be typed that is part of the text in the | |
| 511 buffer, not a Vim command character. "Lang-Arg" isn't really another mode, | |
| 512 it's just used here for this situation. | |
| 513 The simplest way to load a set of related language mappings is by using the | |
| 514 'keymap' option. See |45.5|. | |
| 515 In Insert mode and in Command-line mode the mappings can be disabled with | |
| 5340 | 516 the CTRL-^ command |i_CTRL-^| |c_CTRL-^|. These commands change the value of |
| 5294 | 517 the 'iminsert' option. When starting to enter a normal command line (not a |
| 518 search pattern) the mappings are disabled until a CTRL-^ is typed. The state | |
| 519 last used is remembered for Insert mode and Search patterns separately. The | |
| 520 state for Insert mode is also used when typing a character as an argument to | |
| 521 command like "f" or "t". | |
| 7 | 522 Language mappings will never be applied to already mapped characters. They |
| 523 are only used for typed characters. This assumes that the language mapping | |
| 524 was already done when typing the mapping. | |
| 525 | |
| 526 | |
| 592 | 527 1.4 LISTING MAPPINGS *map-listing* |
| 528 | |
| 7 | 529 When listing mappings the characters in the first two columns are: |
| 530 | |
| 531 CHAR MODE ~ | |
| 1132 | 532 <Space> Normal, Visual, Select and Operator-pending |
| 7 | 533 n Normal |
| 1132 | 534 v Visual and Select |
| 535 s Select | |
| 536 x Visual | |
| 7 | 537 o Operator-pending |
| 538 ! Insert and Command-line | |
| 539 i Insert | |
| 540 l ":lmap" mappings for Insert, Command-line and Lang-Arg | |
| 541 c Command-line | |
|
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542 t Terminal-Job |
| 7 | 543 |
| 544 Just before the {rhs} a special character can appear: | |
| 545 * indicates that it is not remappable | |
| 546 & indicates that only script-local mappings are remappable | |
| 547 @ indicates a buffer-local mapping | |
| 548 | |
| 549 Everything from the first non-blank after {lhs} up to the end of the line | |
| 550 (or '|') is considered to be part of {rhs}. This allows the {rhs} to end | |
| 551 with a space. | |
| 552 | |
| 553 Note: When using mappings for Visual mode, you can use the "'<" mark, which | |
| 554 is the start of the last selected Visual area in the current buffer |'<|. | |
| 555 | |
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556 The |:filter| command can be used to select what mappings to list. The |
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557 pattern is matched against the {lhs} and {rhs} in the raw form. |
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558 |
| 481 | 559 *:map-verbose* |
| 560 When 'verbose' is non-zero, listing a key map will also display where it was | |
| 561 last defined. Example: > | |
| 562 | |
| 563 :verbose map <C-W>* | |
| 564 n <C-W>* * <C-W><C-S>* | |
| 856 | 565 Last set from /home/abcd/.vimrc |
| 481 | 566 |
| 483 | 567 See |:verbose-cmd| for more information. |
| 481 | 568 |
| 592 | 569 |
| 570 1.5 MAPPING SPECIAL KEYS *:map-special-keys* | |
| 571 | |
| 572 There are three ways to map a special key: | |
| 573 1. The Vi-compatible method: Map the key code. Often this is a sequence that | |
| 574 starts with <Esc>. To enter a mapping like this you type ":map " and then | |
| 575 you have to type CTRL-V before hitting the function key. Note that when | |
| 576 the key code for the key is in the termcap (the t_ options), it will | |
| 577 automatically be translated into the internal code and become the second | |
| 578 way of mapping (unless the 'k' flag is included in 'cpoptions'). | |
| 579 2. The second method is to use the internal code for the function key. To | |
| 580 enter such a mapping type CTRL-K and then hit the function key, or use | |
| 581 the form "#1", "#2", .. "#9", "#0", "<Up>", "<S-Down>", "<S-F7>", etc. | |
| 582 (see table of keys |key-notation|, all keys from <Up> can be used). The | |
| 583 first ten function keys can be defined in two ways: Just the number, like | |
| 584 "#2", and with "<F>", like "<F2>". Both stand for function key 2. "#0" | |
| 585 refers to function key 10, defined with option 't_f10', which may be | |
| 586 function key zero on some keyboards. The <> form cannot be used when | |
| 587 'cpoptions' includes the '<' flag. | |
| 588 3. Use the termcap entry, with the form <t_xx>, where "xx" is the name of the | |
| 589 termcap entry. Any string entry can be used. For example: > | |
| 590 :map <t_F3> G | |
| 591 < Maps function key 13 to "G". This does not work if 'cpoptions' includes | |
| 592 the '<' flag. | |
| 593 | |
| 594 The advantage of the second and third method is that the mapping will work on | |
| 595 different terminals without modification (the function key will be | |
| 596 translated into the same internal code or the actual key code, no matter what | |
| 597 terminal you are using. The termcap must be correct for this to work, and you | |
| 598 must use the same mappings). | |
| 599 | |
| 600 DETAIL: Vim first checks if a sequence from the keyboard is mapped. If it | |
| 601 isn't the terminal key codes are tried (see |terminal-options|). If a | |
| 602 terminal code is found it is replaced with the internal code. Then the check | |
| 603 for a mapping is done again (so you can map an internal code to something | |
| 604 else). What is written into the script file depends on what is recognized. | |
| 605 If the terminal key code was recognized as a mapping the key code itself is | |
| 606 written to the script file. If it was recognized as a terminal code the | |
| 607 internal code is written to the script file. | |
| 608 | |
| 609 | |
| 610 1.6 SPECIAL CHARACTERS *:map-special-chars* | |
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611 *map_backslash* *map-backslash* |
| 7 | 612 Note that only CTRL-V is mentioned here as a special character for mappings |
| 613 and abbreviations. When 'cpoptions' does not contain 'B', a backslash can | |
| 614 also be used like CTRL-V. The <> notation can be fully used then |<>|. But | |
| 615 you cannot use "<C-V>" like CTRL-V to escape the special meaning of what | |
| 616 follows. | |
| 617 | |
| 618 To map a backslash, or use a backslash literally in the {rhs}, the special | |
| 619 sequence "<Bslash>" can be used. This avoids the need to double backslashes | |
| 620 when using nested mappings. | |
| 621 | |
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622 *map_CTRL-C* *map-CTRL-C* |
| 532 | 623 Using CTRL-C in the {lhs} is possible, but it will only work when Vim is |
| 624 waiting for a key, not when Vim is busy with something. When Vim is busy | |
| 625 CTRL-C interrupts/breaks the command. | |
| 626 When using the GUI version on MS-Windows CTRL-C can be mapped to allow a Copy | |
| 627 command to the clipboard. Use CTRL-Break to interrupt Vim. | |
| 7 | 628 |
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629 *map_space_in_lhs* *map-space_in_lhs* |
| 7 | 630 To include a space in {lhs} precede it with a CTRL-V (type two CTRL-Vs for |
| 631 each space). | |
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632 *map_space_in_rhs* *map-space_in_rhs* |
| 7 | 633 If you want a {rhs} that starts with a space, use "<Space>". To be fully Vi |
| 634 compatible (but unreadable) don't use the |<>| notation, precede {rhs} with a | |
| 635 single CTRL-V (you have to type CTRL-V two times). | |
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636 *map_empty_rhs* *map-empty-rhs* |
| 7 | 637 You can create an empty {rhs} by typing nothing after a single CTRL-V (you |
| 638 have to type CTRL-V two times). Unfortunately, you cannot do this in a vimrc | |
| 639 file. | |
| 640 *<Nop>* | |
| 2826 | 641 An easier way to get a mapping that doesn't produce anything, is to use |
| 642 "<Nop>" for the {rhs}. This only works when the |<>| notation is enabled. | |
| 643 For example, to make sure that function key 8 does nothing at all: > | |
| 7 | 644 :map <F8> <Nop> |
| 645 :map! <F8> <Nop> | |
| 646 < | |
| 592 | 647 *map-multibyte* |
| 648 It is possible to map multibyte characters, but only the whole character. You | |
| 649 cannot map the first byte only. This was done to prevent problems in this | |
| 650 scenario: > | |
| 651 :set encoding=latin1 | |
| 652 :imap <M-C> foo | |
| 653 :set encoding=utf-8 | |
| 654 The mapping for <M-C> is defined with the latin1 encoding, resulting in a 0xc3 | |
| 13857 | 655 byte. If you type the character á (0xe1 <M-a>) in UTF-8 encoding this is the |
| 2826 | 656 two bytes 0xc3 0xa1. You don't want the 0xc3 byte to be mapped then or |
| 13857 | 657 otherwise it would be impossible to type the á character. |
| 592 | 658 |
| 7 | 659 *<Leader>* *mapleader* |
| 660 To define a mapping which uses the "mapleader" variable, the special string | |
| 661 "<Leader>" can be used. It is replaced with the string value of "mapleader". | |
| 662 If "mapleader" is not set or empty, a backslash is used instead. Example: > | |
| 663 :map <Leader>A oanother line<Esc> | |
| 664 Works like: > | |
| 665 :map \A oanother line<Esc> | |
| 666 But after: > | |
| 667 :let mapleader = "," | |
| 668 It works like: > | |
| 669 :map ,A oanother line<Esc> | |
| 670 | |
| 671 Note that the value of "mapleader" is used at the moment the mapping is | |
| 672 defined. Changing "mapleader" after that has no effect for already defined | |
| 673 mappings. | |
| 674 | |
| 675 *<LocalLeader>* *maplocalleader* | |
| 1619 | 676 <LocalLeader> is just like <Leader>, except that it uses "maplocalleader" |
| 677 instead of "mapleader". <LocalLeader> is to be used for mappings which are | |
| 678 local to a buffer. Example: > | |
| 3312 | 679 :map <buffer> <LocalLeader>A oanother line<Esc> |
| 7 | 680 < |
| 681 In a global plugin <Leader> should be used and in a filetype plugin | |
| 682 <LocalLeader>. "mapleader" and "maplocalleader" can be equal. Although, if | |
| 683 you make them different, there is a smaller chance of mappings from global | |
| 684 plugins to clash with mappings for filetype plugins. For example, you could | |
| 685 keep "mapleader" at the default backslash, and set "maplocalleader" to an | |
| 686 underscore. | |
| 687 | |
| 688 *map-<SID>* | |
| 689 In a script the special key name "<SID>" can be used to define a mapping | |
| 690 that's local to the script. See |<SID>| for details. | |
| 691 | |
| 692 *<Plug>* | |
| 693 The special key name "<Plug>" can be used for an internal mapping, which is | |
| 694 not to be matched with any key sequence. This is useful in plugins | |
| 695 |using-<Plug>|. | |
| 696 | |
| 697 *<Char>* *<Char->* | |
| 698 To map a character by its decimal, octal or hexadecimal number the <Char> | |
| 699 construct can be used: | |
| 700 <Char-123> character 123 | |
| 701 <Char-033> character 27 | |
| 702 <Char-0x7f> character 127 | |
| 3082 | 703 <S-Char-114> character 114 ('r') shifted ('R') |
| 21991 | 704 This is useful to specify a (multibyte) character in a 'keymap' file. |
| 7 | 705 Upper and lowercase differences are ignored. |
| 706 | |
| 707 *map-comments* | |
| 708 It is not possible to put a comment after these commands, because the '"' | |
| 11160 | 709 character is considered to be part of the {lhs} or {rhs}. However, one can |
| 710 use |", since this starts a new, empty command with a comment. | |
| 7 | 711 |
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712 *map_bar* *map-bar* |
| 7 | 713 Since the '|' character is used to separate a map command from the next |
| 714 command, you will have to do something special to include a '|' in {rhs}. | |
| 715 There are three methods: | |
| 716 use works when example ~ | |
| 717 <Bar> '<' is not in 'cpoptions' :map _l :!ls <Bar> more^M | |
| 718 \| 'b' is not in 'cpoptions' :map _l :!ls \| more^M | |
| 719 ^V| always, in Vim and Vi :map _l :!ls ^V| more^M | |
| 720 | |
| 721 (here ^V stands for CTRL-V; to get one CTRL-V you have to type it twice; you | |
| 722 cannot use the <> notation "<C-V>" here). | |
| 723 | |
| 724 All three work when you use the default setting for 'cpoptions'. | |
| 725 | |
| 726 When 'b' is present in 'cpoptions', "\|" will be recognized as a mapping | |
| 727 ending in a '\' and then another command. This is Vi compatible, but | |
| 728 illogical when compared to other commands. | |
| 729 | |
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730 *map_return* *map-return* |
| 7 | 731 When you have a mapping that contains an Ex command, you need to put a line |
| 732 terminator after it to have it executed. The use of <CR> is recommended for | |
| 733 this (see |<>|). Example: > | |
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734 :map _ls :!ls -l %:S<CR>:echo "the end"<CR> |
| 7 | 735 |
| 736 To avoid mapping of the characters you type in insert or Command-line mode, | |
| 737 type a CTRL-V first. The mapping in Insert mode is disabled if the 'paste' | |
| 738 option is on. | |
| 5239 | 739 *map-error* |
| 7 | 740 Note that when an error is encountered (that causes an error message or beep) |
| 741 the rest of the mapping is not executed. This is Vi-compatible. | |
| 742 | |
| 743 Note that the second character (argument) of the commands @zZtTfF[]rm'`"v | |
| 744 and CTRL-X is not mapped. This was done to be able to use all the named | |
| 745 registers and marks, even when the command with the same name has been | |
| 746 mapped. | |
| 747 | |
| 592 | 748 |
| 749 1.7 WHAT KEYS TO MAP *map-which-keys* | |
| 750 | |
| 7 | 751 If you are going to map something, you will need to choose which key(s) to use |
| 752 for the {lhs}. You will have to avoid keys that are used for Vim commands, | |
| 753 otherwise you would not be able to use those commands anymore. Here are a few | |
| 754 suggestions: | |
| 755 - Function keys <F2>, <F3>, etc.. Also the shifted function keys <S-F1>, | |
| 756 <S-F2>, etc. Note that <F1> is already used for the help command. | |
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757 - Meta-keys (with the ALT key pressed). Depending on your keyboard accented |
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758 characters may be used as well. |:map-alt-keys| |
| 7 | 759 - Use the '_' or ',' character and then any other character. The "_" and "," |
| 760 commands do exist in Vim (see |_| and |,|), but you probably never use them. | |
| 761 - Use a key that is a synonym for another command. For example: CTRL-P and | |
| 762 CTRL-N. Use an extra character to allow more mappings. | |
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763 - The key defined by <Leader> and one or more other keys. This is especially |
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764 useful in scripts. |mapleader| |
| 7 | 765 |
| 766 See the file "index" for keys that are not used and thus can be mapped without | |
| 767 losing any builtin function. You can also use ":help {key}^D" to find out if | |
| 768 a key is used for some command. ({key} is the specific key you want to find | |
| 769 out about, ^D is CTRL-D). | |
| 770 | |
| 592 | 771 |
| 772 1.8 EXAMPLES *map-examples* | |
| 773 | |
| 7 | 774 A few examples (given as you type them, for "<CR>" you type four characters; |
| 775 the '<' flag must not be present in 'cpoptions' for this to work). > | |
| 776 | |
| 777 :map <F3> o#include | |
| 778 :map <M-g> /foo<CR>cwbar<Esc> | |
| 779 :map _x d/END/e<CR> | |
| 780 :map! qq quadrillion questions | |
| 1132 | 781 |
| 782 | |
| 783 Multiplying a count | |
| 784 | |
| 785 When you type a count before triggering a mapping, it's like the count was | |
| 786 typed before the {lhs}. For example, with this mapping: > | |
| 787 :map <F4> 3w | |
| 788 Typing 2<F4> will result in "23w". Thus not moving 2 * 3 words but 23 words. | |
| 789 If you want to multiply counts use the expression register: > | |
| 790 :map <F4> @='3w'<CR> | |
| 791 The part between quotes is the expression being executed. |@=| | |
| 792 | |
| 592 | 793 |
| 794 1.9 USING MAPPINGS *map-typing* | |
| 795 | |
| 7 | 796 Vim will compare what you type with the start of a mapped sequence. If there |
| 797 is an incomplete match, it will get more characters until there either is a | |
| 798 complete match or until there is no match at all. Example: If you map! "qq", | |
| 799 the first 'q' will not appear on the screen until you type another | |
| 800 character. This is because Vim cannot know if the next character will be a | |
| 801 'q' or not. If the 'timeout' option is on (which is the default) Vim will | |
| 802 only wait for one second (or as long as specified with the 'timeoutlen' | |
| 803 option). After that it assumes that the 'q' is to be interpreted as such. If | |
| 804 you type slowly, or your system is slow, reset the 'timeout' option. Then you | |
| 805 might want to set the 'ttimeout' option. | |
| 806 | |
| 12499 | 807 *map-precedence* |
| 4869 | 808 Buffer-local mappings (defined using |:map-<buffer>|) take precedence over |
| 809 global mappings. When a buffer-local mapping is the same as a global mapping, | |
| 810 Vim will use the buffer-local mapping. In addition, Vim will use a complete | |
| 5055 | 811 mapping immediately if it was defined with <nowait>, even if a longer mapping |
| 812 has the same prefix. For example, given the following two mappings: > | |
| 813 :map <buffer> <nowait> \a :echo "Local \a"<CR> | |
| 814 :map \abc :echo "Global \abc"<CR> | |
| 815 When typing \a the buffer-local mapping will be used immediately. Vim will | |
| 816 not wait for more characters to see if the user might be typing \abc. | |
| 4869 | 817 |
| 7 | 818 *map-keys-fails* |
| 588 | 819 There are situations where key codes might not be recognized: |
| 7 | 820 - Vim can only read part of the key code. Mostly this is only the first |
| 821 character. This happens on some Unix versions in an xterm. | |
| 822 - The key code is after character(s) that are mapped. E.g., "<F1><F1>" or | |
| 823 "g<F1>". | |
| 588 | 824 |
| 7 | 825 The result is that the key code is not recognized in this situation, and the |
| 588 | 826 mapping fails. There are two actions needed to avoid this problem: |
| 827 | |
| 7 | 828 - Remove the 'K' flag from 'cpoptions'. This will make Vim wait for the rest |
| 829 of the characters of the function key. | |
| 830 - When using <F1> to <F4> the actual key code generated may correspond to | |
| 831 <xF1> to <xF4>. There are mappings from <xF1> to <F1>, <xF2> to <F2>, etc., | |
| 832 but these are not recognized after another half a mapping. Make sure the | |
| 833 key codes for <F1> to <F4> are correct: > | |
| 834 :set <F1>=<type CTRL-V><type F1> | |
| 835 < Type the <F1> as four characters. The part after the "=" must be done with | |
| 836 the actual keys, not the literal text. | |
| 837 Another solution is to use the actual key code in the mapping for the second | |
| 838 special key: > | |
| 839 :map <F1><Esc>OP :echo "yes"<CR> | |
| 840 Don't type a real <Esc>, Vim will recognize the key code and replace it with | |
| 841 <F1> anyway. | |
| 842 | |
| 588 | 843 Another problem may be that when keeping ALT or Meta pressed the terminal |
| 844 prepends ESC instead of setting the 8th bit. See |:map-alt-keys|. | |
| 845 | |
| 7 | 846 *recursive_mapping* |
| 847 If you include the {lhs} in the {rhs} you have a recursive mapping. When | |
| 848 {lhs} is typed, it will be replaced with {rhs}. When the {lhs} which is | |
| 849 included in {rhs} is encountered it will be replaced with {rhs}, and so on. | |
| 850 This makes it possible to repeat a command an infinite number of times. The | |
| 851 only problem is that the only way to stop this is by causing an error. The | |
| 852 macros to solve a maze uses this, look there for an example. There is one | |
| 853 exception: If the {rhs} starts with {lhs}, the first character is not mapped | |
| 854 again (this is Vi compatible). | |
| 855 For example: > | |
| 856 :map ab abcd | |
| 857 will execute the "a" command and insert "bcd" in the text. The "ab" in the | |
| 858 {rhs} will not be mapped again. | |
| 859 | |
| 860 If you want to exchange the meaning of two keys you should use the :noremap | |
| 861 command. For example: > | |
| 862 :noremap k j | |
| 863 :noremap j k | |
| 864 This will exchange the cursor up and down commands. | |
| 865 | |
| 866 With the normal :map command, when the 'remap' option is on, mapping takes | |
| 867 place until the text is found not to be a part of a {lhs}. For example, if | |
| 868 you use: > | |
| 869 :map x y | |
| 870 :map y x | |
| 871 Vim will replace x with y, and then y with x, etc. When this has happened | |
| 872 'maxmapdepth' times (default 1000), Vim will give the error message | |
| 873 "recursive mapping". | |
| 874 | |
| 875 *:map-undo* | |
| 876 If you include an undo command inside a mapped sequence, this will bring the | |
| 877 text back in the state before executing the macro. This is compatible with | |
| 878 the original Vi, as long as there is only one undo command in the mapped | |
| 879 sequence (having two undo commands in a mapped sequence did not make sense | |
| 880 in the original Vi, you would get back the text before the first undo). | |
| 881 | |
| 882 | |
| 592 | 883 1.10 MAPPING ALT-KEYS *:map-alt-keys* |
| 588 | 884 |
| 885 In the GUI Vim handles the Alt key itself, thus mapping keys with ALT should | |
| 886 always work. But in a terminal Vim gets a sequence of bytes and has to figure | |
| 887 out whether ALT was pressed or not. | |
| 888 | |
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890 then Vim can recognize more key combinations, see |modifyOtherKeys| below. |
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891 |
| 588 | 892 By default Vim assumes that pressing the ALT key sets the 8th bit of a typed |
| 605 | 893 character. Most decent terminals can work that way, such as xterm, aterm and |
| 588 | 894 rxvt. If your <A-k> mappings don't work it might be that the terminal is |
| 895 prefixing the character with an ESC character. But you can just as well type | |
| 896 ESC before a character, thus Vim doesn't know what happened (except for | |
| 897 checking the delay between characters, which is not reliable). | |
| 898 | |
| 899 As of this writing, some mainstream terminals like gnome-terminal and konsole | |
| 900 use the ESC prefix. There doesn't appear a way to have them use the 8th bit | |
| 605 | 901 instead. Xterm should work well by default. Aterm and rxvt should work well |
| 902 when started with the "--meta8" argument. You can also tweak resources like | |
| 903 "metaSendsEscape", "eightBitInput" and "eightBitOutput". | |
| 588 | 904 |
| 905 On the Linux console, this behavior can be toggled with the "setmetamode" | |
| 906 command. Bear in mind that not using an ESC prefix could get you in trouble | |
| 907 with other programs. You should make sure that bash has the "convert-meta" | |
| 908 option set to "on" in order for your Meta keybindings to still work on it | |
| 909 (it's the default readline behavior, unless changed by specific system | |
| 910 configuration). For that, you can add the line: > | |
| 911 | |
| 912 set convert-meta on | |
| 913 | |
| 914 to your ~/.inputrc file. If you're creating the file, you might want to use: > | |
| 915 | |
| 916 $include /etc/inputrc | |
| 917 | |
| 918 as the first line, if that file exists on your system, to keep global options. | |
| 919 This may cause a problem for entering special characters, such as the umlaut. | |
| 920 Then you should use CTRL-V before that character. | |
| 921 | |
| 922 Bear in mind that convert-meta has been reported to have troubles when used in | |
| 923 UTF-8 locales. On terminals like xterm, the "metaSendsEscape" resource can be | |
| 924 toggled on the fly through the "Main Options" menu, by pressing Ctrl-LeftClick | |
| 925 on the terminal; that's a good last resource in case you want to send ESC when | |
| 11473 | 926 using other applications but not when inside Vim. |
| 588 | 927 |
| 592 | 928 |
|
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929 1.11 MAPPING IN modifyOtherKeys mode *modifyOtherKeys* |
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930 |
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931 Xterm and a few other terminals can be put in a mode where keys with modifiers |
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932 are sent with a special escape code. Vim recognizes these codes and can then |
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933 make a difference between CTRL-H and Backspace, even when Backspace sends the |
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934 character 8. And many more special keys. |
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935 |
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936 For xterm modifyOtherKeys is enabled in the builtin termcap entry. If this is |
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937 not used you can enable modifyOtherKeys with these lines in your vimrc: > |
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938 let &t_TI = "\<Esc>[>4;2m" |
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939 let &t_TE = "\<Esc>[>4;m" |
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940 |
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941 In case the modifyOtherKeys mode causes problems you can disable it: > |
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942 let &t_TI = "" |
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943 let &t_TE = "" |
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944 It does not take effect immediately. To have this work without restarting Vim |
| 18594 | 945 execute a shell command, e.g.: `!ls` Or put the lines in your |vimrc|. |
| 946 | |
| 947 When modifyOtherKeys is enabled you can map <C-[> and <C-S-{>: > | |
| 948 imap <C-[> [[[ | |
|
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949 imap <C-{> {{{ |
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950 Without modifyOtherKeys <C-[> and <C-{> are indistinguishable from Esc. |
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951 Note that <C-{> is used and not <C-S-[> or <C-S-{>. This works on most |
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952 keyboards. Similarly, <C-}> is used instead of <C-S-]> or <C-S-}> and |
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953 <C-|> instead of <C-S-\> or <C-S-|>. Note that '|' has a special meaning in a |
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954 mapping, see |map-bar|. |
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955 |
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956 WARNING: if you map <C-[> you may very well break any key codes that start |
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957 with Esc. Make sure it comes AFTER other mappings. |
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958 |
| 21499 | 959 A known side effect is that in Insert mode the raw escape sequence is inserted |
| 960 after the CTRL-V key. This can be used to check whether modifyOtherKeys is | |
| 961 enabled: In Insert mode type CTRL-SHIFT-V CTRL-V, if you get one byte then | |
| 962 modifyOtherKeys is off, if you get <1b>27;5;118~ then it is on. | |
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963 |
| 18594 | 964 When the 'esckeys' option is off, then modifyOtherKeys will be disabled in |
| 965 Insert mode to avoid every key with a modifier causing Insert mode to end. | |
| 966 | |
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967 |
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968 1.12 MAPPING AN OPERATOR *:map-operator* |
| 592 | 969 |
| 970 An operator is used before a {motion} command. To define your own operator | |
| 23164 | 971 you must create a mapping that first sets the 'operatorfunc' option and then |
| 592 | 972 invoke the |g@| operator. After the user types the {motion} command the |
| 973 specified function will be called. | |
| 974 | |
| 626 | 975 *g@* *E774* *E775* |
| 592 | 976 g@{motion} Call the function set by the 'operatorfunc' option. |
| 977 The '[ mark is positioned at the start of the text | |
| 978 moved over by {motion}, the '] mark on the last | |
| 979 character of the text. | |
| 980 The function is called with one String argument: | |
| 981 "line" {motion} was |linewise| | |
| 982 "char" {motion} was |characterwise| | |
|
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983 "block" {motion} was |blockwise-visual| |
| 26708 | 984 The type can be forced, see |forced-motion|. |
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985 {not available when compiled without the |+eval| |
| 592 | 986 feature} |
| 987 | |
| 988 Here is an example that counts the number of spaces with <F4>: > | |
| 989 | |
| 22171 | 990 nnoremap <expr> <F4> CountSpaces() |
| 991 xnoremap <expr> <F4> CountSpaces() | |
| 992 " doubling <F4> works on a line | |
| 993 nnoremap <expr> <F4><F4> CountSpaces() .. '_' | |
| 592 | 994 |
| 26708 | 995 function CountSpaces(context = {}, type = '') abort |
| 22171 | 996 if a:type == '' |
| 26708 | 997 let context = #{ |
| 998 \ dot_command: v:false, | |
| 999 \ extend_block: '', | |
| 1000 \ virtualedit: [&l:virtualedit, &g:virtualedit], | |
| 1001 \ } | |
| 1002 let &operatorfunc = function('CountSpaces', [context]) | |
| 26591 | 1003 set virtualedit=block |
| 22171 | 1004 return 'g@' |
| 26591 | 1005 endif |
| 22171 | 1006 |
| 26708 | 1007 let save = #{ |
| 1008 \ clipboard: &clipboard, | |
| 1009 \ selection: &selection, | |
| 1010 \ virtualedit: [&l:virtualedit, &g:virtualedit], | |
| 1011 \ register: getreginfo('"'), | |
| 1012 \ visual_marks: [getpos("'<"), getpos("'>")], | |
| 1013 \ } | |
| 592 | 1014 |
| 22171 | 1015 try |
| 26591 | 1016 set clipboard= selection=inclusive virtualedit= |
| 26708 | 1017 let commands = #{ |
| 1018 \ line: "'[V']", | |
| 1019 \ char: "`[v`]", | |
| 1020 \ block: "`[\<C-V>`]", | |
| 1021 \ }[a:type] | |
| 1022 let [_, _, col, off] = getpos("']") | |
| 1023 if off != 0 | |
| 1024 let vcol = getline("'[")->strpart(0, col + off)->strdisplaywidth() | |
| 1025 if vcol >= [line("'["), '$']->virtcol() - 1 | |
| 1026 let a:context.extend_block = '$' | |
| 1027 else | |
| 1028 let a:context.extend_block = vcol .. '|' | |
| 1029 endif | |
| 1030 endif | |
| 1031 if a:context.extend_block != '' | |
| 1032 let commands ..= 'oO' .. a:context.extend_block | |
| 26591 | 1033 endif |
| 1034 let commands ..= 'y' | |
| 1035 execute 'silent noautocmd keepjumps normal! ' .. commands | |
| 1036 echomsg getreg('"')->count(' ') | |
| 22171 | 1037 finally |
| 26708 | 1038 call setreg('"', save.register) |
| 1039 call setpos("'<", save.visual_marks[0]) | |
| 1040 call setpos("'>", save.visual_marks[1]) | |
| 1041 let &clipboard = save.clipboard | |
| 1042 let &selection = save.selection | |
| 1043 let [&l:virtualedit, &g:virtualedit] = get(a:context.dot_command ? save : a:context, 'virtualedit') | |
| 1044 let a:context.dot_command = v:true | |
| 22171 | 1045 endtry |
| 1046 endfunction | |
| 592 | 1047 |
| 22171 | 1048 An <expr> mapping is used to be able to fetch any prefixed count and register. |
| 1049 This also avoids using a command line, which would trigger CmdlineEnter and | |
| 1050 CmdlineLeave autocommands. | |
| 592 | 1051 |
| 1052 Note that the 'selection' option is temporarily set to "inclusive" to be able | |
| 1053 to yank exactly the right text by using Visual mode from the '[ to the '] | |
| 1054 mark. | |
| 1055 | |
| 22171 | 1056 Also note that the 'clipboard' option is temporarily emptied to avoid |
| 1057 clobbering the `"*` or `"+` registers, if its value contains the item `unnamed` | |
| 1058 or `unnamedplus`. | |
| 592 | 1059 |
| 26050 | 1060 The `mode()` function will return the state as it will be after applying the |
| 1061 operator. | |
| 1062 | |
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1063 Here is an example for using a lambda function to create a normal-mode |
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1064 operator to add quotes around text in the current line: > |
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1065 |
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1066 nnoremap <F4> <Cmd>let &opfunc='{t -> |
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1067 \ getline(".") |
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1068 \ ->split("\\zs") |
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1069 \ ->insert("\"", col("'']")) |
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1070 \ ->insert("\"", col("''[") - 1) |
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1071 \ ->join("") |
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1072 \ ->setline(".")}'<CR>g@ |
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1073 |
| 7 | 1074 ============================================================================== |
| 1075 2. Abbreviations *abbreviations* *Abbreviations* | |
| 1076 | |
| 1077 Abbreviations are used in Insert mode, Replace mode and Command-line mode. | |
| 1078 If you enter a word that is an abbreviation, it is replaced with the word it | |
| 1079 stands for. This can be used to save typing for often used long words. And | |
| 1080 you can use it to automatically correct obvious spelling errors. | |
| 1081 Examples: | |
| 1082 | |
| 1190 | 1083 :iab ms Microsoft |
| 7 | 1084 :iab tihs this |
| 1085 | |
| 1086 There are three types of abbreviations: | |
| 1087 | |
| 1088 full-id The "full-id" type consists entirely of keyword characters (letters | |
| 1089 and characters from 'iskeyword' option). This is the most common | |
| 1090 abbreviation. | |
| 1091 | |
| 1092 Examples: "foo", "g3", "-1" | |
| 1093 | |
| 1094 end-id The "end-id" type ends in a keyword character, but all the other | |
| 1095 characters are not keyword characters. | |
| 1096 | |
| 1097 Examples: "#i", "..f", "$/7" | |
| 1098 | |
| 1099 non-id The "non-id" type ends in a non-keyword character, the other | |
| 1236 | 1100 characters may be of any type, excluding space and tab. {this type |
| 7 | 1101 is not supported by Vi} |
| 1102 | |
| 1103 Examples: "def#", "4/7$" | |
| 1104 | |
| 1105 Examples of strings that cannot be abbreviations: "a.b", "#def", "a b", "_$r" | |
| 1106 | |
| 1107 An abbreviation is only recognized when you type a non-keyword character. | |
| 1108 This can also be the <Esc> that ends insert mode or the <CR> that ends a | |
| 1109 command. The non-keyword character which ends the abbreviation is inserted | |
| 1110 after the expanded abbreviation. An exception to this is the character <C-]>, | |
| 1111 which is used to expand an abbreviation without inserting any extra | |
| 1112 characters. | |
| 1113 | |
| 1114 Example: > | |
| 1115 :ab hh hello | |
| 1116 < "hh<Space>" is expanded to "hello<Space>" | |
| 1117 "hh<C-]>" is expanded to "hello" | |
| 1118 | |
| 1119 The characters before the cursor must match the abbreviation. Each type has | |
| 1120 an additional rule: | |
| 1121 | |
| 1122 full-id In front of the match is a non-keyword character, or this is where | |
| 1123 the line or insertion starts. Exception: When the abbreviation is | |
| 1124 only one character, it is not recognized if there is a non-keyword | |
| 13937 | 1125 character in front of it, other than a space or a tab. However, for |
| 1126 the command line "'<,'>" (or any other marks) is ignored, as if the | |
| 1127 command line starts after it. | |
| 7 | 1128 |
| 1236 | 1129 end-id In front of the match is a keyword character, or a space or a tab, |
| 7 | 1130 or this is where the line or insertion starts. |
| 1131 | |
| 1236 | 1132 non-id In front of the match is a space, tab or the start of the line or |
| 7 | 1133 the insertion. |
| 1134 | |
| 1135 Examples: ({CURSOR} is where you type a non-keyword character) > | |
| 1136 :ab foo four old otters | |
| 1137 < " foo{CURSOR}" is expanded to " four old otters" | |
| 1138 " foobar{CURSOR}" is not expanded | |
| 1139 "barfoo{CURSOR}" is not expanded | |
| 1140 > | |
| 1141 :ab #i #include | |
| 1142 < "#i{CURSOR}" is expanded to "#include" | |
| 1143 ">#i{CURSOR}" is not expanded | |
| 1144 > | |
| 42 | 1145 :ab ;; <endofline> |
| 7 | 1146 < "test;;" is not expanded |
| 1147 "test ;;" is expanded to "test <endofline>" | |
| 1148 | |
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1149 To avoid the abbreviation in Insert mode: Type CTRL-V before the character |
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1150 that would trigger the abbreviation. E.g. CTRL-V <Space>. Or type part of |
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1151 the abbreviation, exit insert mode with <Esc>, re-enter insert mode with "a" |
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1152 and type the rest. |
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1153 |
| 7 | 1154 To avoid the abbreviation in Command-line mode: Type CTRL-V twice somewhere in |
| 1155 the abbreviation to avoid it to be replaced. A CTRL-V in front of a normal | |
| 1156 character is mostly ignored otherwise. | |
| 1157 | |
| 1158 It is possible to move the cursor after an abbreviation: > | |
| 1159 :iab if if ()<Left> | |
| 1160 This does not work if 'cpoptions' includes the '<' flag. |<>| | |
| 1161 | |
| 1162 You can even do more complicated things. For example, to consume the space | |
| 1163 typed after an abbreviation: > | |
| 1164 func Eatchar(pat) | |
| 685 | 1165 let c = nr2char(getchar(0)) |
| 7 | 1166 return (c =~ a:pat) ? '' : c |
| 1167 endfunc | |
| 1168 iabbr <silent> if if ()<Left><C-R>=Eatchar('\s')<CR> | |
| 1169 | |
| 1170 There are no default abbreviations. | |
| 1171 | |
| 1172 Abbreviations are never recursive. You can use ":ab f f-o-o" without any | |
| 1173 problem. But abbreviations can be mapped. {some versions of Vi support | |
| 1174 recursive abbreviations, for no apparent reason} | |
| 1175 | |
| 1176 Abbreviations are disabled if the 'paste' option is on. | |
| 1177 | |
| 1178 *:abbreviate-local* *:abbreviate-<buffer>* | |
| 1179 Just like mappings, abbreviations can be local to a buffer. This is mostly | |
| 1180 used in a |filetype-plugin| file. Example for a C plugin file: > | |
| 1181 :abb <buffer> FF for (i = 0; i < ; ++i) | |
| 1182 < | |
| 1183 *:ab* *:abbreviate* | |
| 1184 :ab[breviate] list all abbreviations. The character in the first | |
| 1185 column indicates the mode where the abbreviation is | |
| 1186 used: 'i' for insert mode, 'c' for Command-line | |
| 1187 mode, '!' for both. These are the same as for | |
| 1188 mappings, see |map-listing|. | |
| 1189 | |
| 502 | 1190 *:abbreviate-verbose* |
| 1191 When 'verbose' is non-zero, listing an abbreviation will also display where it | |
| 1192 was last defined. Example: > | |
| 1193 | |
| 1194 :verbose abbreviate | |
| 856 | 1195 ! teh the |
| 502 | 1196 Last set from /home/abcd/vim/abbr.vim |
| 1197 | |
| 1198 See |:verbose-cmd| for more information. | |
| 1199 | |
| 7 | 1200 :ab[breviate] {lhs} list the abbreviations that start with {lhs} |
| 1201 You may need to insert a CTRL-V (type it twice) to | |
| 1202 avoid that a typed {lhs} is expanded, since | |
| 1203 command-line abbreviations apply here. | |
| 1204 | |
| 2908 | 1205 :ab[breviate] [<expr>] [<buffer>] {lhs} {rhs} |
| 7 | 1206 add abbreviation for {lhs} to {rhs}. If {lhs} already |
| 1207 existed it is replaced with the new {rhs}. {rhs} may | |
| 1208 contain spaces. | |
| 838 | 1209 See |:map-<expr>| for the optional <expr> argument. |
| 2908 | 1210 See |:map-<buffer>| for the optional <buffer> argument. |
| 7 | 1211 |
| 1212 *:una* *:unabbreviate* | |
| 18928 | 1213 :una[bbreviate] [<buffer>] {lhs} |
| 1214 Remove abbreviation for {lhs} from the list. If none | |
| 7 | 1215 is found, remove abbreviations in which {lhs} matches |
| 1216 with the {rhs}. This is done so that you can even | |
| 1217 remove abbreviations after expansion. To avoid | |
| 1218 expansion insert a CTRL-V (type it twice). | |
| 1219 | |
| 1220 *:norea* *:noreabbrev* | |
| 2908 | 1221 :norea[bbrev] [<expr>] [<buffer>] [lhs] [rhs] |
|
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1222 Same as ":ab", but no remapping for this {rhs}. |
| 7 | 1223 |
| 16944 | 1224 *:ca* *:cab* *:cabbrev* |
| 2908 | 1225 :ca[bbrev] [<expr>] [<buffer>] [lhs] [rhs] |
|
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1226 Same as ":ab", but for Command-line mode only. |
| 7 | 1227 |
| 1228 *:cuna* *:cunabbrev* | |
| 18928 | 1229 :cuna[bbrev] [<buffer>] {lhs} |
| 1230 Same as ":una", but for Command-line mode only. | |
| 7 | 1231 |
| 1232 *:cnorea* *:cnoreabbrev* | |
| 2908 | 1233 :cnorea[bbrev] [<expr>] [<buffer>] [lhs] [rhs] |
| 7 | 1234 same as ":ab", but for Command-line mode only and no |
|
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1235 remapping for this {rhs} |
| 7 | 1236 |
| 1237 *:ia* *:iabbrev* | |
| 2908 | 1238 :ia[bbrev] [<expr>] [<buffer>] [lhs] [rhs] |
|
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1239 Same as ":ab", but for Insert mode only. |
| 7 | 1240 |
| 1241 *:iuna* *:iunabbrev* | |
| 18928 | 1242 :iuna[bbrev] [<buffer>] {lhs} |
| 1243 Same as ":una", but for insert mode only. | |
| 7 | 1244 |
| 1245 *:inorea* *:inoreabbrev* | |
| 2908 | 1246 :inorea[bbrev] [<expr>] [<buffer>] [lhs] [rhs] |
|
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1247 Same as ":ab", but for Insert mode only and no |
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1248 remapping for this {rhs}. |
| 7 | 1249 |
| 1250 *:abc* *:abclear* | |
|
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1251 :abc[lear] [<buffer>] Remove all abbreviations. |
| 7 | 1252 |
| 1253 *:iabc* *:iabclear* | |
|
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1254 :iabc[lear] [<buffer>] Remove all abbreviations for Insert mode. |
| 7 | 1255 |
| 1256 *:cabc* *:cabclear* | |
|
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1257 :cabc[lear] [<buffer>] Remove all abbreviations for Command-line mode. |
| 7 | 1258 |
| 1259 *using_CTRL-V* | |
| 1260 It is possible to use special characters in the rhs of an abbreviation. | |
| 1261 CTRL-V has to be used to avoid the special meaning of most non printable | |
| 1262 characters. How many CTRL-Vs need to be typed depends on how you enter the | |
| 1263 abbreviation. This also applies to mappings. Let's use an example here. | |
| 1264 | |
| 1265 Suppose you want to abbreviate "esc" to enter an <Esc> character. When you | |
| 1266 type the ":ab" command in Vim, you have to enter this: (here ^V is a CTRL-V | |
| 1267 and ^[ is <Esc>) | |
| 1268 | |
| 1269 You type: ab esc ^V^V^V^V^V^[ | |
| 1270 | |
| 1271 All keyboard input is subjected to ^V quote interpretation, so | |
| 1272 the first, third, and fifth ^V characters simply allow the second, | |
| 1273 and fourth ^Vs, and the ^[, to be entered into the command-line. | |
| 1274 | |
| 1275 You see: ab esc ^V^V^[ | |
| 1276 | |
| 1277 The command-line contains two actual ^Vs before the ^[. This is | |
| 1278 how it should appear in your .exrc file, if you choose to go that | |
| 1279 route. The first ^V is there to quote the second ^V; the :ab | |
| 1280 command uses ^V as its own quote character, so you can include quoted | |
| 42 | 1281 whitespace or the | character in the abbreviation. The :ab command |
| 7 | 1282 doesn't do anything special with the ^[ character, so it doesn't need |
| 1283 to be quoted. (Although quoting isn't harmful; that's why typing 7 | |
| 1284 [but not 8!] ^Vs works.) | |
| 1285 | |
| 1286 Stored as: esc ^V^[ | |
| 1287 | |
| 1288 After parsing, the abbreviation's short form ("esc") and long form | |
| 1289 (the two characters "^V^[") are stored in the abbreviation table. | |
| 1290 If you give the :ab command with no arguments, this is how the | |
| 1291 abbreviation will be displayed. | |
| 1292 | |
| 1293 Later, when the abbreviation is expanded because the user typed in | |
| 1294 the word "esc", the long form is subjected to the same type of | |
| 1295 ^V interpretation as keyboard input. So the ^V protects the ^[ | |
| 42 | 1296 character from being interpreted as the "exit Insert mode" character. |
| 7 | 1297 Instead, the ^[ is inserted into the text. |
| 1298 | |
| 1299 Expands to: ^[ | |
| 1300 | |
| 1301 [example given by Steve Kirkendall] | |
| 1302 | |
| 1303 ============================================================================== | |
| 1304 3. Local mappings and functions *script-local* | |
| 1305 | |
| 1306 When using several Vim script files, there is the danger that mappings and | |
| 1307 functions used in one script use the same name as in other scripts. To avoid | |
| 1308 this, they can be made local to the script. | |
| 1309 | |
| 1310 *<SID>* *<SNR>* *E81* | |
| 1311 The string "<SID>" can be used in a mapping or menu. This requires that the | |
| 1312 '<' flag is not present in 'cpoptions'. | |
| 1313 When executing the map command, Vim will replace "<SID>" with the special | |
| 1314 key code <SNR>, followed by a number that's unique for the script, and an | |
| 1315 underscore. Example: > | |
| 1316 :map <SID>Add | |
| 1317 could define a mapping "<SNR>23_Add". | |
| 1318 | |
| 1319 When defining a function in a script, "s:" can be prepended to the name to | |
| 1320 make it local to the script. But when a mapping is executed from outside of | |
| 1321 the script, it doesn't know in which script the function was defined. To | |
| 1322 avoid this problem, use "<SID>" instead of "s:". The same translation is done | |
| 1323 as for mappings. This makes it possible to define a call to the function in | |
| 42 | 1324 a mapping. |
| 7 | 1325 |
| 1326 When a local function is executed, it runs in the context of the script it was | |
| 1327 defined in. This means that new functions and mappings it defines can also | |
| 1328 use "s:" or "<SID>" and it will use the same unique number as when the | |
| 1329 function itself was defined. Also, the "s:var" local script variables can be | |
| 1330 used. | |
| 1331 | |
| 1332 When executing an autocommand or a user command, it will run in the context of | |
| 1333 the script it was defined in. This makes it possible that the command calls a | |
| 1334 local function or uses a local mapping. | |
| 1335 | |
|
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1336 In case the value is used in a context where <SID> cannot be correctly |
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1337 expanded, use the expand() function: > |
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1338 let &includexpr = expand('<SID>') .. 'My_includeexpr()' |
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1339 |
| 7 | 1340 Otherwise, using "<SID>" outside of a script context is an error. |
| 1341 | |
| 1342 If you need to get the script number to use in a complicated script, you can | |
| 625 | 1343 use this function: > |
| 22958 | 1344 func s:ScriptNumber() |
| 1345 return matchstr(expand('<SID>'), '<SNR>\zs\d\+\ze_') | |
| 1346 endfunc | |
| 7 | 1347 |
| 1348 The "<SNR>" will be shown when listing functions and mappings. This is useful | |
| 1349 to find out what they are defined to. | |
| 1350 | |
| 1351 The |:scriptnames| command can be used to see which scripts have been sourced | |
| 1352 and what their <SNR> number is. | |
| 1353 | |
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1354 This is all {not available when compiled without the |+eval| feature}. |
| 7 | 1355 |
| 1356 ============================================================================== | |
| 1357 4. User-defined commands *user-commands* | |
| 1358 | |
| 236 | 1359 It is possible to define your own Ex commands. A user-defined command can act |
| 7 | 1360 just like a built-in command (it can have a range or arguments, arguments can |
| 1361 be completed as filenames or buffer names, etc), except that when the command | |
|
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1362 is executed, it is transformed into a normal Ex command and then executed. |
| 7 | 1363 |
| 1364 For starters: See section |40.2| in the user manual. | |
| 1365 | |
| 2642 | 1366 *E183* *E841* *user-cmd-ambiguous* |
| 7 | 1367 All user defined commands must start with an uppercase letter, to avoid |
| 2642 | 1368 confusion with builtin commands. Exceptions are these builtin commands: |
| 1369 :Next | |
| 1370 :X | |
| 1371 They cannot be used for a user defined command. ":Print" is also an existing | |
| 1372 command, but it is deprecated and can be overruled. | |
| 1373 | |
| 1374 The other characters of the user command can be uppercase letters, lowercase | |
| 1375 letters or digits. When using digits, note that other commands that take a | |
| 1376 numeric argument may become ambiguous. For example, the command ":Cc2" could | |
| 1377 be the user command ":Cc2" without an argument, or the command ":Cc" with | |
| 1378 argument "2". It is advised to put a space between the command name and the | |
| 1379 argument to avoid these problems. | |
| 7 | 1380 |
| 236 | 1381 When using a user-defined command, the command can be abbreviated. However, if |
| 1382 an abbreviation is not unique, an error will be issued. Furthermore, a | |
| 7 | 1383 built-in command will always take precedence. |
| 1384 | |
| 1385 Example: > | |
| 1386 :command Rename ... | |
| 1387 :command Renumber ... | |
| 1388 :Rena " Means "Rename" | |
| 1389 :Renu " Means "Renumber" | |
| 1390 :Ren " Error - ambiguous | |
| 1391 :command Paste ... | |
| 1392 :P " The built-in :Print | |
| 1393 | |
| 1394 It is recommended that full names for user-defined commands are used in | |
| 1395 scripts. | |
| 1396 | |
| 1397 :com[mand] *:com* *:command* | |
| 236 | 1398 List all user-defined commands. When listing commands, |
|
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1399 the characters in the first columns are: |
| 7 | 1400 ! Command has the -bang attribute |
| 1401 " Command has the -register attribute | |
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1402 | Command has the -bar attribute |
| 7 | 1403 b Command is local to current buffer |
| 1404 (see below for details on attributes) | |
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1405 The list can be filtered on command name with |
|
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1406 |:filter|, e.g., to list all commands with "Pyth" in |
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1407 the name: > |
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1408 filter Pyth command |
| 7 | 1409 |
| 1410 :com[mand] {cmd} List the user-defined commands that start with {cmd} | |
| 1411 | |
| 482 | 1412 *:command-verbose* |
| 1413 When 'verbose' is non-zero, listing a command will also display where it was | |
| 1414 last defined. Example: > | |
| 1415 | |
| 1416 :verbose command TOhtml | |
| 856 | 1417 < Name Args Range Complete Definition ~ |
| 1418 TOhtml 0 % :call Convert2HTML(<line1>, <line2>) ~ | |
| 1419 Last set from /usr/share/vim/vim-7.0/plugin/tohtml.vim ~ | |
| 1420 | |
| 483 | 1421 See |:verbose-cmd| for more information. |
| 482 | 1422 |
| 7 | 1423 *E174* *E182* |
| 23164 | 1424 :com[mand][!] [{attr}...] {cmd} {repl} |
| 7 | 1425 Define a user command. The name of the command is |
| 23164 | 1426 {cmd} and its replacement text is {repl}. The |
| 1427 command's attributes (see below) are {attr}. If the | |
| 1428 command already exists, an error is reported, unless a | |
| 1429 ! is specified, in which case the command is | |
| 1430 redefined. There is one exception: When sourcing a | |
| 1431 script again, a command that was previously defined in | |
| 1432 that script will be silently replaced. | |
|
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1433 |
| 7 | 1434 |
| 1435 :delc[ommand] {cmd} *:delc* *:delcommand* *E184* | |
| 1436 Delete the user-defined command {cmd}. | |
| 1437 | |
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1438 :delc[ommand] -buffer {cmd} *E1237* |
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1439 Delete the user-defined command {cmd} that was defined |
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1440 for the current buffer. |
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1441 |
| 7 | 1442 :comc[lear] *:comc* *:comclear* |
| 1443 Delete all user-defined commands. | |
| 1444 | |
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1445 |
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1446 Command attributes ~ |
| 7 | 1447 |
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1448 User-defined commands are treated by Vim just like any other Ex commands. They |
| 236 | 1449 can have arguments, or have a range specified. Arguments are subject to |
| 1450 completion as filenames, buffers, etc. Exactly how this works depends upon the | |
| 7 | 1451 command's attributes, which are specified when the command is defined. |
| 1452 | |
| 1453 There are a number of attributes, split into four categories: argument | |
| 236 | 1454 handling, completion behavior, range handling, and special cases. The |
| 7 | 1455 attributes are described below, by category. |
| 1456 | |
| 1457 | |
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1458 Argument handling ~ |
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1459 *E175* *E176* *:command-nargs* |
| 7 | 1460 By default, a user defined command will take no arguments (and an error is |
| 236 | 1461 reported if any are supplied). However, it is possible to specify that the |
| 1462 command can take arguments, using the -nargs attribute. Valid cases are: | |
| 7 | 1463 |
| 1464 -nargs=0 No arguments are allowed (the default) | |
| 15194 | 1465 -nargs=1 Exactly one argument is required, it includes spaces |
| 2826 | 1466 -nargs=* Any number of arguments are allowed (0, 1, or many), |
| 1467 separated by white space | |
| 7 | 1468 -nargs=? 0 or 1 arguments are allowed |
| 1469 -nargs=+ Arguments must be supplied, but any number are allowed | |
| 1470 | |
| 1236 | 1471 Arguments are considered to be separated by (unescaped) spaces or tabs in this |
| 2826 | 1472 context, except when there is one argument, then the white space is part of |
| 1473 the argument. | |
| 7 | 1474 |
| 1475 Note that arguments are used as text, not as expressions. Specifically, | |
| 1476 "s:var" will use the script-local variable in the script where the command was | |
| 1477 defined, not where it is invoked! Example: | |
| 1478 script1.vim: > | |
| 1479 :let s:error = "None" | |
| 1480 :command -nargs=1 Error echoerr <args> | |
| 1481 < script2.vim: > | |
| 1482 :source script1.vim | |
| 1483 :let s:error = "Wrong!" | |
| 1484 :Error s:error | |
| 1619 | 1485 Executing script2.vim will result in "None" being echoed. Not what you |
| 7 | 1486 intended! Calling a function may be an alternative. |
| 1487 | |
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1488 |
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1489 Completion behavior ~ |
| 15194 | 1490 *:command-completion* *E179* *E180* *E181* |
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1491 *:command-complete* |
| 7 | 1492 By default, the arguments of user defined commands do not undergo completion. |
| 1493 However, by specifying one or the other of the following attributes, argument | |
| 1494 completion can be enabled: | |
| 1495 | |
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1496 -complete=arglist file names in argument list |
| 7 | 1497 -complete=augroup autocmd groups |
| 1498 -complete=buffer buffer names | |
| 3503 | 1499 -complete=behave :behave suboptions |
| 2970 | 1500 -complete=color color schemes |
| 7 | 1501 -complete=command Ex command (and arguments) |
| 2970 | 1502 -complete=compiler compilers |
| 2596 | 1503 -complete=cscope |:cscope| suboptions |
| 7 | 1504 -complete=dir directory names |
| 1505 -complete=environment environment variable names | |
| 1506 -complete=event autocommand events | |
| 1507 -complete=expression Vim expression | |
| 1508 -complete=file file and directory names | |
| 2970 | 1509 -complete=file_in_path file and directory names in |'path'| |
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1510 -complete=filetype filetype names |'filetype'| |
| 7 | 1511 -complete=function function name |
| 1512 -complete=help help subjects | |
| 1513 -complete=highlight highlight groups | |
| 3503 | 1514 -complete=history :history suboptions |
| 2970 | 1515 -complete=locale locale names (as output of locale -a) |
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|
1516 -complete=mapclear buffer argument |
| 7 | 1517 -complete=mapping mapping name |
| 1518 -complete=menu menus | |
|
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|
1519 -complete=messages |:messages| suboptions |
| 7 | 1520 -complete=option options |
|
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Christian Brabandt <cb@256bit.org>
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diff
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|
1521 -complete=packadd optional package |pack-add| names |
|
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|
1522 -complete=shellcmd Shell command |
| 2596 | 1523 -complete=sign |:sign| suboptions |
|
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|
1524 -complete=syntax syntax file names |'syntax'| |
|
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|
1525 -complete=syntime |:syntime| suboptions |
| 7 | 1526 -complete=tag tags |
| 1527 -complete=tag_listfiles tags, file names are shown when CTRL-D is hit | |
| 3744 | 1528 -complete=user user names |
| 7 | 1529 -complete=var user variables |
| 1530 -complete=custom,{func} custom completion, defined via {func} | |
| 406 | 1531 -complete=customlist,{func} custom completion, defined via {func} |
| 7 | 1532 |
| 6259 | 1533 Note: That some completion methods might expand environment variables. |
| 1534 | |
| 557 | 1535 |
|
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|
1536 Custom completion ~ |
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|
1537 *:command-completion-custom* |
|
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|
1538 *:command-completion-customlist* *E467* *E468* |
| 7 | 1539 It is possible to define customized completion schemes via the "custom,{func}" |
| 406 | 1540 or the "customlist,{func}" completion argument. The {func} part should be a |
| 1619 | 1541 function with the following signature: > |
| 7 | 1542 |
| 1543 :function {func}(ArgLead, CmdLine, CursorPos) | |
| 1544 | |
| 406 | 1545 The function need not use all these arguments. The function should provide the |
| 1546 completion candidates as the return value. | |
| 1547 | |
| 1548 For the "custom" argument, the function should return the completion | |
| 1549 candidates one per line in a newline separated string. | |
| 1550 | |
| 1551 For the "customlist" argument, the function should return the completion | |
| 557 | 1552 candidates as a Vim List. Non-string items in the list are ignored. |
| 406 | 1553 |
| 1554 The function arguments are: | |
| 7 | 1555 ArgLead the leading portion of the argument currently being |
| 1556 completed on | |
| 1557 CmdLine the entire command line | |
| 557 | 1558 CursorPos the cursor position in it (byte index) |
| 406 | 1559 The function may use these for determining context. For the "custom" |
| 1560 argument, it is not necessary to filter candidates against the (implicit | |
|
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|
1561 pattern in) ArgLead. Vim will filter the candidates with its regexp engine |
| 406 | 1562 after function return, and this is probably more efficient in most cases. For |
| 1563 the "customlist" argument, Vim will not filter the returned completion | |
| 1564 candidates and the user supplied function should filter the candidates. | |
| 7 | 1565 |
| 1566 The following example lists user names to a Finger command > | |
| 1567 :com -complete=custom,ListUsers -nargs=1 Finger !finger <args> | |
| 1568 :fun ListUsers(A,L,P) | |
| 1569 : return system("cut -d: -f1 /etc/passwd") | |
| 1570 :endfun | |
| 1571 | |
| 406 | 1572 The following example completes filenames from the directories specified in |
| 1573 the 'path' option: > | |
| 1574 :com -nargs=1 -bang -complete=customlist,EditFileComplete | |
| 1575 \ EditFile edit<bang> <args> | |
| 1576 :fun EditFileComplete(A,L,P) | |
|
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|
1577 : return split(globpath(&path, a:A), "\n") |
| 406 | 1578 :endfun |
| 1579 < | |
|
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|
1580 This example does not work for file names with spaces! |
|
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1581 |
| 557 | 1582 |
|
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1583 Range handling ~ |
|
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|
1584 *E177* *E178* *:command-range* *:command-count* |
| 236 | 1585 By default, user-defined commands do not accept a line number range. However, |
| 7 | 1586 it is possible to specify that the command does take a range (the -range |
| 1587 attribute), or that it takes an arbitrary count value, either in the line | |
| 1588 number position (-range=N, like the |:split| command) or as a "count" | |
| 1132 | 1589 argument (-count=N, like the |:Next| command). The count will then be |
| 1590 available in the argument with |<count>|. | |
| 1591 | |
| 1592 Possible attributes are: | |
| 7 | 1593 |
| 1594 -range Range allowed, default is current line | |
| 1595 -range=% Range allowed, default is whole file (1,$) | |
| 1596 -range=N A count (default N) which is specified in the line | |
| 2788 | 1597 number position (like |:split|); allows for zero line |
| 1598 number. | |
| 7 | 1599 -count=N A count (default N) which is specified either in the line |
| 171 | 1600 number position, or as an initial argument (like |:Next|). |
|
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1601 -count acts like -count=0 |
| 7 | 1602 |
| 1603 Note that -range=N and -count=N are mutually exclusive - only one should be | |
| 1604 specified. | |
| 1605 | |
|
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|
1606 *:command-addr* |
| 6424 | 1607 It is possible that the special characters in the range like ., $ or % which |
| 1608 by default correspond to the current line, last line and the whole buffer, | |
| 1609 relate to arguments, (loaded) buffers, windows or tab pages. | |
| 1610 | |
|
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1611 Possible values are (second column is the short name used in listing): |
|
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1612 -addr=lines Range of lines (this is the default for -range) |
|
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1613 -addr=arguments arg Range for arguments |
|
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1614 -addr=buffers buf Range for buffers (also not loaded buffers) |
|
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1615 -addr=loaded_buffers load Range for loaded buffers |
|
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1616 -addr=windows win Range for windows |
|
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1617 -addr=tabs tab Range for tab pages |
|
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1618 -addr=quickfix qf Range for quickfix entries |
|
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1619 -addr=other ? other kind of range; can use ".", "$" and "%" |
|
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1620 as with "lines" (this is the default for |
|
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1621 -count) |
| 6424 | 1622 |
|
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1623 |
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1624 Special cases ~ |
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1625 *:command-bang* *:command-bar* |
| 1132 | 1626 *:command-register* *:command-buffer* |
| 26148 | 1627 *:command-keepscript* |
| 7 | 1628 There are some special cases as well: |
| 1629 | |
| 1630 -bang The command can take a ! modifier (like :q or :w) | |
| 1631 -bar The command can be followed by a "|" and another command. | |
| 1632 A "|" inside the command argument is not allowed then. | |
| 1633 Also checks for a " to start a comment. | |
| 1634 -register The first argument to the command can be an optional | |
| 1635 register name (like :del, :put, :yank). | |
| 1636 -buffer The command will only be available in the current buffer. | |
|
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1637 -keepscript Do not use the location of where the user command was |
|
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1638 defined for verbose messages, use the location of where |
|
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1639 the user command was invoked. |
| 7 | 1640 |
| 1641 In the cases of the -count and -register attributes, if the optional argument | |
| 1642 is supplied, it is removed from the argument list and is available to the | |
| 1643 replacement text separately. | |
| 5340 | 1644 Note that these arguments can be abbreviated, but that is a deprecated |
| 1645 feature. Use the full name for new scripts. | |
| 7 | 1646 |
|
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1647 |
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1648 Replacement text ~ |
|
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1649 *:command-repl* |
|
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1650 The {repl} argument is normally one long string, possibly with "|" separated |
|
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1651 commands. A special case is when the argument is "{", then the following |
|
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1652 lines, up to a line starting with "}" are used and |Vim9| syntax applies. |
|
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1653 Example: > |
|
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|
1654 :command MyCommand { |
|
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1655 echo 'hello' |
|
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1656 g:calledMyCommand = true |
|
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1657 } |
|
25521
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|
1658 < *E1231* |
|
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|
1659 There must be white space before the "{". No nesting is supported, inline |
|
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|
1660 functions cannot be used. Commands where a "|" may appear in the argument, |
|
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1661 such as commands with an expression argument, cannot be followed by a "|" and |
|
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1662 another command. |
|
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|
1663 |
| 23164 | 1664 The replacement text {repl} for a user defined command is scanned for special |
| 1665 escape sequences, using <...> notation. Escape sequences are replaced with | |
| 1666 values from the entered command line, and all other text is copied unchanged. | |
| 1667 The resulting string is executed as an Ex command. To avoid the replacement | |
| 1668 use <lt> in place of the initial <. Thus to include "<bang>" literally use | |
| 788 | 1669 "<lt>bang>". |
| 7 | 1670 |
| 1671 The valid escape sequences are | |
| 1672 | |
| 1673 *<line1>* | |
| 1674 <line1> The starting line of the command range. | |
| 1675 *<line2>* | |
| 1676 <line2> The final line of the command range. | |
|
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1677 *<range>* |
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1678 <range> The number of items in the command range: 0, 1 or 2 |
| 7 | 1679 *<count>* |
| 1680 <count> Any count supplied (as described for the '-range' | |
| 1681 and '-count' attributes). | |
| 1682 *<bang>* | |
| 1683 <bang> (See the '-bang' attribute) Expands to a ! if the | |
| 1684 command was executed with a ! modifier, otherwise | |
| 1685 expands to nothing. | |
| 22328 | 1686 *<mods>* *<q-mods>* *:command-modifiers* |
|
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1687 <mods> The command modifiers, if specified. Otherwise, expands to |
|
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|
1688 nothing. Supported modifiers are |:aboveleft|, |:belowright|, |
|
64035abb986b
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1689 |:botright|, |:browse|, |:confirm|, |:hide|, |:keepalt|, |
|
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1690 |:keepjumps|, |:keepmarks|, |:keeppatterns|, |:leftabove|, |
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1691 |:lockmarks|, |:noswapfile| |:rightbelow|, |:silent|, |:tab|, |
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1692 |:topleft|, |:verbose|, and |:vertical|. |
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1693 Note that these are not yet supported: |:noautocmd|, |
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|
1694 |:sandbox| and |:unsilent|. |
|
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1695 Examples: > |
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1696 command! -nargs=+ -complete=file MyEdit |
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1697 \ for f in expand(<q-args>, 0, 1) | |
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1698 \ exe '<mods> split ' . f | |
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1699 \ endfor |
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1700 |
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1701 function! SpecialEdit(files, mods) |
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|
1702 for f in expand(a:files, 0, 1) |
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1703 exe a:mods . ' split ' . f |
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1704 endfor |
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commit https://github.com/vim/vim/commit/63a60ded3fd584847a05dccf058026e682abad90
Christian Brabandt <cb@256bit.org>
parents:
8951
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changeset
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1705 endfunction |
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f7fb117883ba
commit https://github.com/vim/vim/commit/63a60ded3fd584847a05dccf058026e682abad90
Christian Brabandt <cb@256bit.org>
parents:
8951
diff
changeset
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1706 command! -nargs=+ -complete=file Sedit |
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f7fb117883ba
commit https://github.com/vim/vim/commit/63a60ded3fd584847a05dccf058026e682abad90
Christian Brabandt <cb@256bit.org>
parents:
8951
diff
changeset
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1707 \ call SpecialEdit(<q-args>, <q-mods>) |
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f7fb117883ba
commit https://github.com/vim/vim/commit/63a60ded3fd584847a05dccf058026e682abad90
Christian Brabandt <cb@256bit.org>
parents:
8951
diff
changeset
|
1708 < |
| 7 | 1709 *<reg>* *<register>* |
| 1710 <reg> (See the '-register' attribute) The optional register, | |
| 236 | 1711 if specified. Otherwise, expands to nothing. <register> |
| 7 | 1712 is a synonym for this. |
| 1713 *<args>* | |
| 1714 <args> The command arguments, exactly as supplied (but as | |
| 1715 noted above, any count or register can consume some | |
| 1716 of the arguments, which are then not part of <args>). | |
| 1717 <lt> A single '<' (Less-Than) character. This is needed if you | |
| 1718 want to get a literal copy of one of these escape sequences | |
| 1719 into the expansion - for example, to get <bang>, use | |
| 1720 <lt>bang>. | |
| 1721 | |
| 1722 *<q-args>* | |
| 1723 If the first two characters of an escape sequence are "q-" (for example, | |
| 1724 <q-args>) then the value is quoted in such a way as to make it a valid value | |
| 1725 for use in an expression. This uses the argument as one single value. | |
| 300 | 1726 When there is no argument <q-args> is an empty string. |
| 1088 | 1727 *<f-args>* |
| 7 | 1728 To allow commands to pass their arguments on to a user-defined function, there |
| 236 | 1729 is a special form <f-args> ("function args"). This splits the command |
| 1236 | 1730 arguments at spaces and tabs, quotes each argument individually, and the |
| 7 | 1731 <f-args> sequence is replaced by the comma-separated list of quoted arguments. |
| 856 | 1732 See the Mycmd example below. If no arguments are given <f-args> is removed. |
| 1088 | 1733 To embed whitespace into an argument of <f-args>, prepend a backslash. |
| 1734 <f-args> replaces every pair of backslashes (\\) with one backslash. A | |
| 1735 backslash followed by a character other than white space or a backslash | |
| 1736 remains unmodified. Overview: | |
| 1737 | |
| 1738 command <f-args> ~ | |
| 1739 XX ab 'ab' | |
| 1740 XX a\b 'a\b' | |
| 1741 XX a\ b 'a b' | |
| 1742 XX a\ b 'a ', 'b' | |
| 1743 XX a\\b 'a\b' | |
| 1744 XX a\\ b 'a\', 'b' | |
| 1745 XX a\\\b 'a\\b' | |
| 1746 XX a\\\ b 'a\ b' | |
| 1747 XX a\\\\b 'a\\b' | |
| 1748 XX a\\\\ b 'a\\', 'b' | |
| 7 | 1749 |
| 1750 Examples > | |
| 1751 | |
| 1752 " Delete everything after here to the end | |
| 1753 :com Ddel +,$d | |
| 1754 | |
| 1755 " Rename the current buffer | |
| 1756 :com -nargs=1 -bang -complete=file Ren f <args>|w<bang> | |
| 1757 | |
| 1758 " Replace a range with the contents of a file | |
| 1759 " (Enter this all as one line) | |
| 1760 :com -range -nargs=1 -complete=file | |
| 1761 Replace <line1>-pu_|<line1>,<line2>d|r <args>|<line1>d | |
| 1762 | |
| 1763 " Count the number of lines in the range | |
| 42 | 1764 :com! -range -nargs=0 Lines echo <line2> - <line1> + 1 "lines" |
| 7 | 1765 |
| 1766 " Call a user function (example of <f-args>) | |
| 1767 :com -nargs=* Mycmd call Myfunc(<f-args>) | |
| 1768 | |
| 1769 When executed as: > | |
| 1770 :Mycmd arg1 arg2 | |
| 1771 This will invoke: > | |
| 1772 :call Myfunc("arg1","arg2") | |
| 1773 | |
| 1774 :" A more substantial example | |
| 1775 :function Allargs(command) | |
| 1619 | 1776 : let i = 0 |
| 1777 : while i < argc() | |
| 1778 : if filereadable(argv(i)) | |
| 1779 : execute "e " . argv(i) | |
| 7 | 1780 : execute a:command |
| 1781 : endif | |
| 1782 : let i = i + 1 | |
| 1783 : endwhile | |
| 1784 :endfunction | |
| 1785 :command -nargs=+ -complete=command Allargs call Allargs(<q-args>) | |
| 1786 | |
| 1787 The command Allargs takes any Vim command(s) as argument and executes it on all | |
| 1788 files in the argument list. Usage example (note use of the "e" flag to ignore | |
| 1789 errors and the "update" command to write modified buffers): > | |
| 1790 :Allargs %s/foo/bar/ge|update | |
| 1791 This will invoke: > | |
| 1792 :call Allargs("%s/foo/bar/ge|update") | |
| 1793 < | |
| 23164 | 1794 If the command is defined in Vim9 script (a script that starts with |
| 1795 `:vim9script` and in a `:def` function) then {repl} will be executed as in Vim9 | |
| 1796 script. Thus this depends on where the command is defined, not where it is | |
| 1797 used. | |
| 1798 | |
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de5a43c5eedc
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Bram Moolenaar <bram@zimbu.org>
parents:
1969
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1799 When defining a user command in a script, it will be able to call functions |
| 7 | 1800 local to the script and use mappings local to the script. When the user |
| 1801 invokes the user command, it will run in the context of the script it was | |
| 1802 defined in. This matters if |<SID>| is used in a command. | |
| 1803 | |
| 14421 | 1804 vim:tw=78:ts=8:noet:ft=help:norl: |