Mercurial > vim
annotate runtime/doc/indent.txt @ 18343:375a7ecdb351
Update runtime files.
Commit: https://github.com/vim/vim/commit/2e693a88b24dc6b12883fad78ff2cb9cd4469c98
Author: Bram Moolenaar <Bram@vim.org>
Date: Wed Oct 16 22:35:02 2019 +0200
Update runtime files.
| author | Bram Moolenaar <Bram@vim.org> |
|---|---|
| date | Wed, 16 Oct 2019 22:45:04 +0200 |
| parents | 95c23e180022 |
| children | 6848b809a26e |
| rev | line source |
|---|---|
| 17667 | 1 *indent.txt* For Vim version 8.1. Last change: 2019 Aug 01 |
| 7 | 2 |
| 3 | |
| 4 VIM REFERENCE MANUAL by Bram Moolenaar | |
| 5 | |
| 6 | |
| 7 This file is about indenting C programs and other files. | |
| 8 | |
| 1620 | 9 1. Indenting C style programs |C-indenting| |
| 7 | 10 2. Indenting by expression |indent-expression| |
| 11 | |
| 12 ============================================================================== | |
| 1620 | 13 1. Indenting C style programs *C-indenting* |
| 7 | 14 |
| 1620 | 15 The basics for C style indenting are explained in section |30.2| of the user |
| 16 manual. | |
| 7 | 17 |
| 1620 | 18 Vim has options for automatically indenting C style program files. Many |
| 19 programming languages including Java and C++ follow very closely the | |
| 20 formatting conventions established with C. These options affect only the | |
| 21 indent and do not perform other formatting. There are additional options that | |
| 22 affect other kinds of formatting as well as indenting, see |format-comments|, | |
| 23 |fo-table|, |gq| and |formatting| for the main ones. | |
| 7 | 24 |
| 25 Note that this will not work when the |+smartindent| or |+cindent| features | |
| 26 have been disabled at compile time. | |
| 27 | |
| 1620 | 28 There are in fact four main methods available for indentation, each one |
| 29 overrides the previous if it is enabled, or non-empty for 'indentexpr': | |
| 7 | 30 'autoindent' uses the indent from the previous line. |
| 31 'smartindent' is like 'autoindent' but also recognizes some C syntax to | |
| 32 increase/reduce the indent where appropriate. | |
| 33 'cindent' Works more cleverly than the other two and is configurable to | |
| 34 different indenting styles. | |
| 35 'indentexpr' The most flexible of all: Evaluates an expression to compute | |
| 36 the indent of a line. When non-empty this method overrides | |
| 37 the other ones. See |indent-expression|. | |
| 38 The rest of this section describes the 'cindent' option. | |
| 39 | |
| 40 Note that 'cindent' indenting does not work for every code scenario. Vim | |
| 829 | 41 is not a C compiler: it does not recognize all syntax. One requirement is |
| 42 that toplevel functions have a '{' in the first column. Otherwise they are | |
| 43 easily confused with declarations. | |
| 7 | 44 |
| 45 These four options control C program indenting: | |
| 46 'cindent' Enables Vim to perform C program indenting automatically. | |
| 47 'cinkeys' Specifies which keys trigger reindenting in insert mode. | |
| 48 'cinoptions' Sets your preferred indent style. | |
| 49 'cinwords' Defines keywords that start an extra indent in the next line. | |
| 50 | |
| 51 If 'lisp' is not on and 'equalprg' is empty, the "=" operator indents using | |
| 52 Vim's built-in algorithm rather than calling an external program. | |
| 53 | |
| 54 See |autocommand| for how to set the 'cindent' option automatically for C code | |
| 55 files and reset it for others. | |
| 56 | |
| 57 *cinkeys-format* *indentkeys-format* | |
| 58 The 'cinkeys' option is a string that controls Vim's indenting in response to | |
| 59 typing certain characters or commands in certain contexts. Note that this not | |
| 60 only triggers C-indenting. When 'indentexpr' is not empty 'indentkeys' is | |
| 61 used instead. The format of 'cinkeys' and 'indentkeys' is equal. | |
| 62 | |
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63 The default is "0{,0},0),0],:,0#,!^F,o,O,e" which specifies that indenting |
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64 occurs as follows: |
| 7 | 65 |
| 66 "0{" if you type '{' as the first character in a line | |
| 67 "0}" if you type '}' as the first character in a line | |
| 68 "0)" if you type ')' as the first character in a line | |
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69 "0]" if you type ']' as the first character in a line |
| 7 | 70 ":" if you type ':' after a label or case statement |
| 71 "0#" if you type '#' as the first character in a line | |
| 72 "!^F" if you type CTRL-F (which is not inserted) | |
| 73 "o" if you type a <CR> anywhere or use the "o" command (not in | |
| 74 insert mode!) | |
| 75 "O" if you use the "O" command (not in insert mode!) | |
| 76 "e" if you type the second 'e' for an "else" at the start of a | |
| 77 line | |
| 78 | |
| 818 | 79 Characters that can precede each key: *i_CTRL-F* |
| 7 | 80 ! When a '!' precedes the key, Vim will not insert the key but will |
| 81 instead reindent the current line. This allows you to define a | |
| 82 command key for reindenting the current line. CTRL-F is the default | |
| 83 key for this. Be careful if you define CTRL-I for this because CTRL-I | |
| 84 is the ASCII code for <Tab>. | |
| 85 * When a '*' precedes the key, Vim will reindent the line before | |
| 86 inserting the key. If 'cinkeys' contains "*<Return>", Vim reindents | |
| 87 the current line before opening a new line. | |
| 88 0 When a zero precedes the key (but appears after '!' or '*') Vim will | |
| 89 reindent the line only if the key is the first character you type in | |
| 90 the line. When used before "=" Vim will only reindent the line if | |
| 91 there is only white space before the word. | |
| 92 | |
| 93 When neither '!' nor '*' precedes the key, Vim reindents the line after you | |
| 94 type the key. So ';' sets the indentation of a line which includes the ';'. | |
| 95 | |
| 96 Special key names: | |
| 97 <> Angle brackets mean spelled-out names of keys. For example: "<Up>", | |
| 98 "<Ins>" (see |key-notation|). | |
| 99 ^ Letters preceded by a caret (^) are control characters. For example: | |
| 100 "^F" is CTRL-F. | |
| 101 o Reindent a line when you use the "o" command or when Vim opens a new | |
| 102 line below the current one (e.g., when you type <Enter> in insert | |
| 103 mode). | |
| 104 O Reindent a line when you use the "O" command. | |
| 105 e Reindent a line that starts with "else" when you type the second 'e'. | |
| 106 : Reindent a line when a ':' is typed which is after a label or case | |
| 107 statement. Don't reindent for a ":" in "class::method" for C++. To | |
| 108 Reindent for any ":", use "<:>". | |
| 109 =word Reindent when typing the last character of "word". "word" may | |
| 110 actually be part of another word. Thus "=end" would cause reindenting | |
| 111 when typing the "d" in "endif" or "endwhile". But not when typing | |
| 112 "bend". Also reindent when completion produces a word that starts | |
| 113 with "word". "0=word" reindents when there is only white space before | |
| 114 the word. | |
| 115 =~word Like =word, but ignore case. | |
| 116 | |
| 117 If you really want to reindent when you type 'o', 'O', 'e', '0', '<', '>', | |
| 118 '*', ':' or '!', use "<o>", "<O>", "<e>", "<0>", "<<>", "<>>", "<*>", "<:>" or | |
| 119 "<!>", respectively, for those keys. | |
| 120 | |
| 121 For an emacs-style indent mode where lines aren't indented every time you | |
| 1247 | 122 press <Enter> but only if you press <Tab>, I suggest: |
| 7 | 123 :set cinkeys=0{,0},:,0#,!<Tab>,!^F |
| 124 You might also want to switch off 'autoindent' then. | |
| 125 | |
| 126 Note: If you change the current line's indentation manually, Vim ignores the | |
| 127 cindent settings for that line. This prevents vim from reindenting after you | |
| 128 have changed the indent by typing <BS>, <Tab>, or <Space> in the indent or | |
| 129 used CTRL-T or CTRL-D. | |
| 130 | |
| 131 *cinoptions-values* | |
| 2857 | 132 The 'cinoptions' option sets how Vim performs indentation. The value after |
| 133 the option character can be one of these (N is any number): | |
| 134 N indent N spaces | |
| 135 -N indent N spaces to the left | |
| 3082 | 136 Ns N times 'shiftwidth' spaces |
| 137 -Ns N times 'shiftwidth' spaces to the left | |
| 2857 | 138 |
| 139 In the list below, | |
| 7 | 140 "N" represents a number of your choice (the number can be negative). When |
| 141 there is an 's' after the number, Vim multiplies the number by 'shiftwidth': | |
| 142 "1s" is 'shiftwidth', "2s" is two times 'shiftwidth', etc. You can use a | |
| 2857 | 143 decimal point, too: "-0.5s" is minus half a 'shiftwidth'. |
| 144 The examples below assume a 'shiftwidth' of 4. | |
| 145 *cino->* | |
| 7 | 146 >N Amount added for "normal" indent. Used after a line that should |
| 147 increase the indent (lines starting with "if", an opening brace, | |
| 148 etc.). (default 'shiftwidth'). | |
| 149 | |
| 150 cino= cino=>2 cino=>2s > | |
| 151 if (cond) if (cond) if (cond) | |
| 152 { { { | |
| 153 foo; foo; foo; | |
| 154 } } } | |
| 155 < | |
| 2857 | 156 *cino-e* |
| 7 | 157 eN Add N to the prevailing indent inside a set of braces if the |
| 158 opening brace at the End of the line (more precise: is not the | |
| 159 first character in a line). This is useful if you want a | |
| 160 different indent when the '{' is at the start of the line from | |
| 161 when '{' is at the end of the line. (default 0). | |
| 162 | |
| 163 cino= cino=e2 cino=e-2 > | |
| 164 if (cond) { if (cond) { if (cond) { | |
| 165 foo; foo; foo; | |
| 166 } } } | |
| 167 else else else | |
| 168 { { { | |
| 169 bar; bar; bar; | |
| 170 } } } | |
| 171 < | |
| 2857 | 172 *cino-n* |
| 7 | 173 nN Add N to the prevailing indent for a statement after an "if", |
| 174 "while", etc., if it is NOT inside a set of braces. This is | |
| 175 useful if you want a different indent when there is no '{' | |
| 176 before the statement from when there is a '{' before it. | |
| 177 (default 0). | |
| 178 | |
| 179 cino= cino=n2 cino=n-2 > | |
| 180 if (cond) if (cond) if (cond) | |
| 181 foo; foo; foo; | |
| 182 else else else | |
| 183 { { { | |
| 184 bar; bar; bar; | |
| 185 } } } | |
| 186 < | |
| 2857 | 187 *cino-f* |
| 7 | 188 fN Place the first opening brace of a function or other block in |
| 189 column N. This applies only for an opening brace that is not | |
| 190 inside other braces and is at the start of the line. What comes | |
| 191 after the brace is put relative to this brace. (default 0). | |
| 192 | |
| 193 cino= cino=f.5s cino=f1s > | |
| 194 func() func() func() | |
| 195 { { { | |
| 196 int foo; int foo; int foo; | |
| 197 < | |
| 2857 | 198 *cino-{* |
| 7 | 199 {N Place opening braces N characters from the prevailing indent. |
| 200 This applies only for opening braces that are inside other | |
| 201 braces. (default 0). | |
| 202 | |
| 203 cino= cino={.5s cino={1s > | |
| 204 if (cond) if (cond) if (cond) | |
| 205 { { { | |
| 206 foo; foo; foo; | |
| 207 < | |
| 2857 | 208 *cino-}* |
| 7 | 209 }N Place closing braces N characters from the matching opening |
| 210 brace. (default 0). | |
| 211 | |
| 212 cino= cino={2,}-0.5s cino=}2 > | |
| 213 if (cond) if (cond) if (cond) | |
| 214 { { { | |
| 215 foo; foo; foo; | |
| 216 } } } | |
| 217 < | |
| 2857 | 218 *cino-^* |
| 7 | 219 ^N Add N to the prevailing indent inside a set of braces if the |
| 220 opening brace is in column 0. This can specify a different | |
| 221 indent for whole of a function (some may like to set it to a | |
| 222 negative number). (default 0). | |
| 223 | |
| 224 cino= cino=^-2 cino=^-s > | |
| 225 func() func() func() | |
| 226 { { { | |
| 227 if (cond) if (cond) if (cond) | |
| 228 { { { | |
| 229 a = b; a = b; a = b; | |
| 230 } } } | |
| 231 } } } | |
| 232 < | |
| 2857 | 233 *cino-L* |
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234 LN Controls placement of jump labels. If N is negative, the label |
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235 will be placed at column 1. If N is non-negative, the indent of |
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236 the label will be the prevailing indent minus N. (default -1). |
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237 |
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238 cino= cino=L2 cino=Ls > |
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239 func() func() func() |
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240 { { { |
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241 { { { |
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242 stmt; stmt; stmt; |
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243 LABEL: LABEL: LABEL: |
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244 } } } |
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245 } } } |
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246 < |
| 2857 | 247 *cino-:* |
| 7 | 248 :N Place case labels N characters from the indent of the switch(). |
| 249 (default 'shiftwidth'). | |
| 250 | |
| 251 cino= cino=:0 > | |
| 252 switch (x) switch(x) | |
| 253 { { | |
| 254 case 1: case 1: | |
| 255 a = b; a = b; | |
| 256 default: default: | |
| 257 } } | |
| 258 < | |
| 2857 | 259 *cino-=* |
| 7 | 260 =N Place statements occurring after a case label N characters from |
| 261 the indent of the label. (default 'shiftwidth'). | |
| 262 | |
| 263 cino= cino==10 > | |
| 264 case 11: case 11: a = a + 1; | |
| 265 a = a + 1; b = b + 1; | |
| 266 < | |
| 2857 | 267 *cino-l* |
| 7 | 268 lN If N != 0 Vim will align with a case label instead of the |
| 269 statement after it in the same line. | |
| 270 | |
| 271 cino= cino=l1 > | |
| 272 switch (a) { switch (a) { | |
| 273 case 1: { case 1: { | |
| 274 break; break; | |
| 275 } } | |
| 276 < | |
| 2857 | 277 *cino-b* |
| 7 | 278 bN If N != 0 Vim will align a final "break" with the case label, |
| 236 | 279 so that case..break looks like a sort of block. (default: 0). |
| 2662 | 280 When using 1, consider adding "0=break" to 'cinkeys'. |
| 7 | 281 |
| 282 cino= cino=b1 > | |
| 283 switch (x) switch(x) | |
| 284 { { | |
| 285 case 1: case 1: | |
| 286 a = b; a = b; | |
| 287 break; break; | |
| 288 | |
| 289 default: default: | |
| 290 a = 0; a = 0; | |
| 291 break; break; | |
| 292 } } | |
| 293 < | |
| 2857 | 294 *cino-g* |
| 7 | 295 gN Place C++ scope declarations N characters from the indent of the |
| 296 block they are in. (default 'shiftwidth'). A scope declaration | |
| 297 can be "public:", "protected:" or "private:". | |
| 298 | |
| 299 cino= cino=g0 > | |
| 300 { { | |
| 301 public: public: | |
| 302 a = b; a = b; | |
| 303 private: private: | |
| 304 } } | |
| 305 < | |
| 2857 | 306 *cino-h* |
| 7 | 307 hN Place statements occurring after a C++ scope declaration N |
| 308 characters from the indent of the label. (default | |
| 309 'shiftwidth'). | |
| 310 | |
| 311 cino= cino=h10 > | |
| 312 public: public: a = a + 1; | |
| 313 a = a + 1; b = b + 1; | |
| 314 < | |
| 2857 | 315 *cino-N* |
| 316 NN Indent inside C++ namespace N characters extra compared to a | |
| 317 normal block. (default 0). | |
| 318 | |
| 319 cino= cino=N-s > | |
| 320 namespace { namespace { | |
| 321 void function(); void function(); | |
| 322 } } | |
| 323 | |
| 324 namespace my namespace my | |
| 325 { { | |
| 326 void function(); void function(); | |
| 327 } } | |
| 328 < | |
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329 *cino-E* |
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330 EN Indent inside C++ linkage specifications (extern "C" or |
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331 extern "C++") N characters extra compared to a normal block. |
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332 (default 0). |
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333 |
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334 cino= cino=E-s > |
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335 extern "C" { extern "C" { |
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336 void function(); void function(); |
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337 } } |
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338 |
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339 extern "C" extern "C" |
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340 { { |
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341 void function(); void function(); |
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342 } } |
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343 < |
| 2857 | 344 *cino-p* |
| 7 | 345 pN Parameter declarations for K&R-style function declarations will |
| 346 be indented N characters from the margin. (default | |
| 347 'shiftwidth'). | |
| 348 | |
| 349 cino= cino=p0 cino=p2s > | |
| 350 func(a, b) func(a, b) func(a, b) | |
| 351 int a; int a; int a; | |
| 352 char b; char b; char b; | |
| 353 < | |
| 2857 | 354 *cino-t* |
| 7 | 355 tN Indent a function return type declaration N characters from the |
| 356 margin. (default 'shiftwidth'). | |
| 357 | |
| 358 cino= cino=t0 cino=t7 > | |
| 359 int int int | |
| 360 func() func() func() | |
| 361 < | |
| 2857 | 362 *cino-i* |
| 843 | 363 iN Indent C++ base class declarations and constructor |
| 7 | 364 initializations, if they start in a new line (otherwise they |
| 365 are aligned at the right side of the ':'). | |
| 366 (default 'shiftwidth'). | |
| 367 | |
| 368 cino= cino=i0 > | |
| 369 class MyClass : class MyClass : | |
| 370 public BaseClass public BaseClass | |
| 371 {} {} | |
| 372 MyClass::MyClass() : MyClass::MyClass() : | |
| 373 BaseClass(3) BaseClass(3) | |
| 374 {} {} | |
| 375 < | |
| 2857 | 376 *cino-+* |
| 2725 | 377 +N Indent a continuation line (a line that spills onto the next) |
| 378 inside a function N additional characters. (default | |
| 379 'shiftwidth'). | |
| 380 Outside of a function, when the previous line ended in a | |
| 381 backslash, the 2 * N is used. | |
| 7 | 382 |
| 383 cino= cino=+10 > | |
| 384 a = b + 9 * a = b + 9 * | |
| 385 c; c; | |
| 386 < | |
| 2857 | 387 *cino-c* |
| 7 | 388 cN Indent comment lines after the comment opener, when there is no |
| 389 other text with which to align, N characters from the comment | |
| 390 opener. (default 3). See also |format-comments|. | |
| 391 | |
| 392 cino= cino=c5 > | |
| 393 /* /* | |
| 394 text. text. | |
| 395 */ */ | |
| 396 < | |
| 2857 | 397 *cino-C* |
| 7 | 398 CN When N is non-zero, indent comment lines by the amount specified |
| 399 with the c flag above even if there is other text behind the | |
| 400 comment opener. (default 0). | |
| 401 | |
| 402 cino=c0 cino=c0,C1 > | |
| 403 /******** /******** | |
| 404 text. text. | |
| 405 ********/ ********/ | |
| 406 < (Example uses ":set comments& comments-=s1:/* comments^=s0:/*") | |
| 407 | |
| 2857 | 408 *cino-/* |
| 236 | 409 /N Indent comment lines N characters extra. (default 0). |
| 7 | 410 cino= cino=/4 > |
| 411 a = b; a = b; | |
| 412 /* comment */ /* comment */ | |
| 413 c = d; c = d; | |
| 414 < | |
| 2857 | 415 *cino-(* |
| 7 | 416 (N When in unclosed parentheses, indent N characters from the line |
| 417 with the unclosed parentheses. Add a 'shiftwidth' for every | |
| 13589 | 418 extra unclosed parentheses. When N is 0 or the unclosed |
| 419 parentheses is the first non-white character in its line, line | |
| 420 up with the next non-white character after the unclosed | |
| 421 parentheses. (default 'shiftwidth' * 2). | |
| 7 | 422 |
| 423 cino= cino=(0 > | |
| 424 if (c1 && (c2 || if (c1 && (c2 || | |
| 425 c3)) c3)) | |
| 426 foo; foo; | |
| 427 if (c1 && if (c1 && | |
| 428 (c2 || c3)) (c2 || c3)) | |
| 429 { { | |
| 430 < | |
| 2857 | 431 *cino-u* |
| 13589 | 432 uN Same as (N, but for one nesting level deeper. |
| 433 (default 'shiftwidth'). | |
| 7 | 434 |
| 435 cino= cino=u2 > | |
| 436 if (c123456789 if (c123456789 | |
| 437 && (c22345 && (c22345 | |
| 438 || c3)) || c3)) | |
| 439 < | |
| 2857 | 440 *cino-U* |
| 7 | 441 UN When N is non-zero, do not ignore the indenting specified by |
| 442 ( or u in case that the unclosed parentheses is the first | |
| 443 non-white character in its line. (default 0). | |
| 444 | |
| 445 cino= or cino=(s cino=(s,U1 > | |
| 446 c = c1 && c = c1 && | |
| 447 ( ( | |
| 448 c2 || c2 || | |
| 449 c3 c3 | |
| 450 ) && c4; ) && c4; | |
| 451 < | |
| 3082 | 452 *cino-w* |
| 7 | 453 wN When in unclosed parentheses and N is non-zero and either |
| 454 using "(0" or "u0", respectively, or using "U0" and the unclosed | |
| 455 parentheses is the first non-white character in its line, line | |
| 456 up with the character immediately after the unclosed parentheses | |
| 457 rather than the first non-white character. (default 0). | |
| 458 | |
| 459 cino=(0 cino=(0,w1 > | |
| 460 if ( c1 if ( c1 | |
| 461 && ( c2 && ( c2 | |
| 462 || c3)) || c3)) | |
| 463 foo; foo; | |
| 464 < | |
| 2857 | 465 *cino-W* |
| 7 | 466 WN When in unclosed parentheses and N is non-zero and either |
| 467 using "(0" or "u0", respectively and the unclosed parentheses is | |
| 468 the last non-white character in its line and it is not the | |
| 469 closing parentheses, indent the following line N characters | |
| 470 relative to the outer context (i.e. start of the line or the | |
| 236 | 471 next unclosed parentheses). (default: 0). |
| 7 | 472 |
| 473 cino=(0 cino=(0,W4 > | |
| 474 a_long_line( a_long_line( | |
| 475 argument, argument, | |
| 476 argument); argument); | |
| 477 a_short_line(argument, a_short_line(argument, | |
| 478 argument); argument); | |
| 479 < | |
| 3454 | 480 *cino-k* |
| 481 kN When in unclosed parentheses which follow "if", "for" or | |
| 482 "while" and N is non-zero, overrides the behaviour defined by | |
| 483 "(N": causes the indent to be N characters relative to the outer | |
| 484 context (i.e. the line where "if", "for" or "while" is). Has | |
| 485 no effect on deeper levels of nesting. Affects flags like "wN" | |
| 486 only for the "if", "for" and "while" conditions. If 0, defaults | |
| 487 to behaviour defined by the "(N" flag. (default: 0). | |
| 488 | |
| 489 cino=(0 cino=(0,ks > | |
| 490 if (condition1 if (condition1 | |
| 491 && condition2) && condition2) | |
| 492 action(); action(); | |
| 493 function(argument1 function(argument1 | |
| 494 && argument2); && argument2); | |
| 495 < | |
| 2857 | 496 *cino-m* |
| 7 | 497 mN When N is non-zero, line up a line starting with a closing |
| 498 parentheses with the first character of the line with the | |
| 499 matching opening parentheses. (default 0). | |
| 500 | |
| 501 cino=(s cino=(s,m1 > | |
| 502 c = c1 && ( c = c1 && ( | |
| 503 c2 || c2 || | |
| 504 c3 c3 | |
| 505 ) && c4; ) && c4; | |
| 506 if ( if ( | |
| 507 c1 && c2 c1 && c2 | |
| 508 ) ) | |
| 509 foo; foo; | |
| 510 < | |
| 2857 | 511 *cino-M* |
| 829 | 512 MN When N is non-zero, line up a line starting with a closing |
| 513 parentheses with the first character of the previous line. | |
| 514 (default 0). | |
| 515 | |
| 516 cino= cino=M1 > | |
| 517 if (cond1 && if (cond1 && | |
| 856 | 518 cond2 cond2 |
| 519 ) ) | |
| 829 | 520 < |
| 2857 | 521 *java-cinoptions* *java-indenting* *cino-j* |
| 2965 | 522 jN Indent Java anonymous classes correctly. Also works well for |
| 523 Javascript. The value 'N' is currently unused but must be | |
| 524 non-zero (e.g. 'j1'). 'j1' will indent for example the | |
| 525 following code snippet correctly: > | |
| 7 | 526 |
| 527 object.add(new ChangeListener() { | |
| 528 public void stateChanged(ChangeEvent e) { | |
| 529 do_something(); | |
| 530 } | |
| 531 }); | |
| 532 < | |
| 2857 | 533 *javascript-cinoptions* *javascript-indenting* *cino-J* |
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534 JN Indent JavaScript object declarations correctly by not confusing |
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535 them with labels. The value 'N' is currently unused but must be |
| 2965 | 536 non-zero (e.g. 'J1'). If you enable this you probably also want |
| 537 to set |cino-j|. > | |
|
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538 |
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539 var bar = { |
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540 foo: { |
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541 that: this, |
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542 some: ok, |
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543 }, |
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544 "bar":{ |
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545 a : 2, |
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546 b: "123abc", |
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547 x: 4, |
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548 "y": 5 |
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549 } |
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550 } |
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551 < |
| 2857 | 552 *cino-)* |
| 7 | 553 )N Vim searches for unclosed parentheses at most N lines away. |
| 554 This limits the time needed to search for parentheses. (default | |
| 555 20 lines). | |
| 556 | |
| 2857 | 557 *cino-star* |
| 7 | 558 *N Vim searches for unclosed comments at most N lines away. This |
| 559 limits the time needed to search for the start of a comment. | |
| 3830 | 560 If your /* */ comments stop indenting after N lines this is the |
| 2788 | 561 value you will want to change. |
| 2072 | 562 (default 70 lines). |
| 7 | 563 |
| 2857 | 564 *cino-#* |
| 5438 | 565 #N When N is non-zero recognize shell/Perl comments starting with |
| 566 '#', do not recognize preprocessor lines; allow right-shifting | |
| 567 lines that start with "#". | |
| 568 When N is zero (default): don't recognize '#' comments, do | |
| 569 recognize preprocessor lines; right-shifting lines that start | |
| 570 with "#" does not work. | |
| 1096 | 571 |
| 7 | 572 |
| 573 The defaults, spelled out in full, are: | |
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574 cinoptions=>s,e0,n0,f0,{0,}0,^0,L-1,:s,=s,l0,b0,gs,hs,N0,E0,ps,ts,is,+s, |
| 3454 | 575 c3,C0,/0,(2s,us,U0,w0,W0,k0,m0,j0,J0,)20,*70,#0 |
| 7 | 576 |
| 577 Vim puts a line in column 1 if: | |
| 5438 | 578 - It starts with '#' (preprocessor directives), if 'cinkeys' contains '#0'. |
| 7 | 579 - It starts with a label (a keyword followed by ':', other than "case" and |
|
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580 "default") and 'cinoptions' does not contain an 'L' entry with a positive |
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581 value. |
| 7 | 582 - Any combination of indentations causes the line to have less than 0 |
| 583 indentation. | |
| 584 | |
| 585 ============================================================================== | |
| 586 2. Indenting by expression *indent-expression* | |
| 587 | |
| 588 The basics for using flexible indenting are explained in section |30.3| of the | |
| 589 user manual. | |
| 590 | |
| 591 If you want to write your own indent file, it must set the 'indentexpr' | |
| 14999 | 592 option. Setting the 'indentkeys' option is often useful. |
| 593 See the $VIMRUNTIME/indent/README.txt file for hints. | |
| 594 See the $VIMRUNTIME/indent directory for examples. | |
| 7 | 595 |
| 596 | |
| 597 REMARKS ABOUT SPECIFIC INDENT FILES ~ | |
| 598 | |
| 599 | |
| 4098 | 600 CLOJURE *ft-clojure-indent* *clojure-indent* |
| 601 | |
| 602 Clojure indentation differs somewhat from traditional Lisps, due in part to | |
| 603 the use of square and curly brackets, and otherwise by community convention. | |
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604 These conventions are not universally followed, so the Clojure indent script |
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605 offers a few configurable options, listed below. |
| 4098 | 606 |
| 15033 | 607 If the current vim does not include |searchpairpos()|, the indent script falls |
| 4098 | 608 back to normal 'lisp' indenting, and the following options are ignored. |
| 609 | |
| 610 *g:clojure_maxlines* | |
| 611 | |
| 15033 | 612 Set maximum scan distance of |searchpairpos()|. Larger values trade |
| 613 performance for correctness when dealing with very long forms. A value of 0 | |
| 614 will scan without limits. | |
| 4098 | 615 > |
| 616 " Default | |
| 617 let g:clojure_maxlines = 100 | |
| 618 < | |
| 619 *g:clojure_fuzzy_indent* | |
| 620 *g:clojure_fuzzy_indent_patterns* | |
| 621 *g:clojure_fuzzy_indent_blacklist* | |
| 622 | |
| 623 The 'lispwords' option is a list of comma-separated words that mark special | |
| 624 forms whose subforms must be indented with two spaces. | |
| 625 | |
| 626 For example: | |
| 627 > | |
| 628 (defn bad [] | |
| 629 "Incorrect indentation") | |
| 630 | |
| 631 (defn good [] | |
| 632 "Correct indentation") | |
| 633 < | |
| 634 If you would like to specify 'lispwords' with a |pattern| instead, you can use | |
| 635 the fuzzy indent feature: | |
| 636 > | |
| 637 " Default | |
| 638 let g:clojure_fuzzy_indent = 1 | |
| 639 let g:clojure_fuzzy_indent_patterns = ['^with', '^def', '^let'] | |
| 640 let g:clojure_fuzzy_indent_blacklist = | |
| 641 \ ['-fn$', '\v^with-%(meta|out-str|loading-context)$'] | |
| 642 | |
| 643 " Legacy comma-delimited string version; the list format above is | |
| 644 " recommended. Note that patterns are implicitly anchored with ^ and $ | |
| 645 let g:clojure_fuzzy_indent_patterns = 'with.*,def.*,let.*' | |
| 646 < | |
| 647 |g:clojure_fuzzy_indent_patterns| and |g:clojure_fuzzy_indent_blacklist| are | |
| 648 |Lists| of patterns that will be matched against the unquoted, unqualified | |
| 649 symbol at the head of a list. This means that a pattern like "^foo" will match | |
| 650 all these candidates: "foobar", "my.ns/foobar", and "#'foobar". | |
| 651 | |
| 652 Each candidate word is tested for special treatment in this order: | |
| 653 | |
| 654 1. Return true if word is literally in 'lispwords' | |
| 655 2. Return false if word matches a pattern in | |
| 656 |g:clojure_fuzzy_indent_blacklist| | |
| 657 3. Return true if word matches a pattern in | |
| 658 |g:clojure_fuzzy_indent_patterns| | |
| 659 4. Return false and indent normally otherwise | |
| 660 | |
| 661 *g:clojure_special_indent_words* | |
| 662 | |
| 663 Some forms in Clojure are indented so that every subform is indented only two | |
| 664 spaces, regardless of 'lispwords'. If you have a custom construct that should | |
| 665 be indented in this idiosyncratic fashion, you can add your symbols to the | |
| 666 default list below. | |
| 667 > | |
| 668 " Default | |
| 669 let g:clojure_special_indent_words = | |
| 670 \ 'deftype,defrecord,reify,proxy,extend-type,extend-protocol,letfn' | |
| 671 < | |
| 672 *g:clojure_align_multiline_strings* | |
| 673 | |
| 674 Align subsequent lines in multiline strings to the column after the opening | |
| 675 quote, instead of the same column. | |
| 676 | |
| 677 For example: | |
| 678 > | |
| 679 (def default | |
| 680 "Lorem ipsum dolor sit amet, consectetur adipisicing elit, sed do | |
| 681 eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut | |
| 682 enim ad minim veniam, quis nostrud exercitation ullamco laboris | |
| 683 nisi ut aliquip ex ea commodo consequat.") | |
| 684 | |
| 685 (def aligned | |
| 686 "Lorem ipsum dolor sit amet, consectetur adipisicing elit, sed do | |
| 687 eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut | |
| 688 enim ad minim veniam, quis nostrud exercitation ullamco laboris | |
| 689 nisi ut aliquip ex ea commodo consequat.") | |
| 690 < | |
| 691 This option is off by default. | |
| 692 > | |
| 693 " Default | |
| 694 let g:clojure_align_multiline_strings = 0 | |
| 695 < | |
| 5577 | 696 *g:clojure_align_subforms* |
| 697 | |
| 698 By default, parenthesized compound forms that look like function calls and | |
| 699 whose head subform is on its own line have subsequent subforms indented by | |
| 700 two spaces relative to the opening paren: | |
| 701 > | |
| 702 (foo | |
| 703 bar | |
| 704 baz) | |
| 705 < | |
| 706 Setting this option changes this behavior so that all subforms are aligned to | |
| 5763 | 707 the same column, emulating the default behavior of clojure-mode.el: |
| 5577 | 708 > |
| 709 (foo | |
| 710 bar | |
| 711 baz) | |
| 712 < | |
| 713 This option is off by default. | |
| 714 > | |
| 715 " Default | |
| 716 let g:clojure_align_subforms = 0 | |
| 717 < | |
| 4098 | 718 |
| 501 | 719 FORTRAN *ft-fortran-indent* |
| 7 | 720 |
| 2908 | 721 Block if, select case, where, and forall constructs are indented. So are |
| 722 type, interface, associate, block, and enum constructs. The indenting of | |
| 723 subroutines, functions, modules, and program blocks is optional. Comments, | |
| 724 labelled statements and continuation lines are indented if the Fortran is in | |
| 725 free source form, whereas they are not indented if the Fortran is in fixed | |
| 726 source form because of the left margin requirements. Hence manual indent | |
| 727 corrections will be necessary for labelled statements and continuation lines | |
| 728 when fixed source form is being used. For further discussion of the method | |
| 729 used for the detection of source format see |ft-fortran-syntax|. | |
| 7 | 730 |
| 731 Do loops ~ | |
| 236 | 732 All do loops are left unindented by default. Do loops can be unstructured in |
| 7 | 733 Fortran with (possibly multiple) loops ending on a labelled executable |
| 236 | 734 statement of almost arbitrary type. Correct indentation requires |
| 735 compiler-quality parsing. Old code with do loops ending on labelled statements | |
| 7 | 736 of arbitrary type can be indented with elaborate programs such as Tidy |
| 236 | 737 (http://www.unb.ca/chem/ajit/f_tidy.htm). Structured do/continue loops are |
| 7 | 738 also left unindented because continue statements are also used for purposes |
| 236 | 739 other than ending a do loop. Programs such as Tidy can convert structured |
| 740 do/continue loops to the do/enddo form. Do loops of the do/enddo variety can | |
| 741 be indented. If you use only structured loops of the do/enddo form, you should | |
| 7 | 742 declare this by setting the fortran_do_enddo variable in your .vimrc as |
| 743 follows > | |
| 744 | |
| 745 let fortran_do_enddo=1 | |
| 746 | |
| 236 | 747 in which case do loops will be indented. If all your loops are of do/enddo |
| 7 | 748 type only in, say, .f90 files, then you should set a buffer flag with an |
| 749 autocommand such as > | |
| 750 | |
| 751 au! BufRead,BufNewFile *.f90 let b:fortran_do_enddo=1 | |
| 752 | |
| 753 to get do loops indented in .f90 files and left alone in Fortran files with | |
| 754 other extensions such as .for. | |
| 755 | |
| 2908 | 756 Program units ~ |
| 757 The indenting of program units (subroutines, functions, modules, and program | |
| 758 blocks) is enabled by default but can be suppressed if a lighter, screen-width | |
| 759 preserving indent style is desired. To suppress the indenting of program | |
| 760 units for all fortran files set the global fortran_indent_less variable in | |
| 761 your .vimrc as follows > | |
| 762 | |
| 763 let fortran_indent_less=1 | |
| 764 | |
| 765 A finer level of suppression can be achieved by setting the corresponding | |
| 766 buffer-local variable as follows > | |
| 767 | |
| 768 let b:fortran_indent_less=1 | |
| 769 | |
| 7 | 770 |
| 4869 | 771 HTML *ft-html-indent* *html-indent* *html-indenting* |
| 772 | |
| 773 This is about variables you can set in your vimrc to customize HTML indenting. | |
| 774 | |
| 775 You can set the indent for the first line after <script> and <style> | |
| 776 "blocktags" (default "zero"): > | |
| 777 | |
| 778 :let g:html_indent_script1 = "inc" | |
| 779 :let g:html_indent_style1 = "inc" | |
| 780 < | |
| 781 VALUE MEANING ~ | |
| 782 "zero" zero indent | |
| 783 "auto" auto indent (same indent as the blocktag) | |
| 784 "inc" auto indent + one indent step | |
| 785 | |
| 786 Many tags increase the indent for what follows per default (see "Add Indent | |
| 4911 | 787 Tags" in the script). You can add further tags with: > |
| 4869 | 788 |
| 789 :let g:html_indent_inctags = "html,body,head,tbody" | |
| 790 | |
| 791 You can also remove such tags with: > | |
| 792 | |
| 793 :let g:html_indent_autotags = "th,td,tr,tfoot,thead" | |
| 794 | |
| 795 Default value is empty for both variables. Note: the initial "inctags" are | |
| 796 only defined once per Vim session. | |
| 797 | |
| 798 User variables are only read when the script is sourced. To enable your | |
| 4911 | 799 changes during a session, without reloading the HTML file, you can manually |
| 4869 | 800 do: > |
| 801 | |
| 802 :call HtmlIndent_CheckUserSettings() | |
| 803 | |
| 804 Detail: | |
| 805 Calculation of indent inside "blocktags" with "alien" content: | |
| 806 BLOCKTAG INDENT EXPR WHEN APPLICABLE ~ | |
| 4911 | 807 <script> : {customizable} if first line of block |
| 808 : cindent(v:lnum) if attributes empty or contain "java" | |
| 809 : -1 else (vbscript, tcl, ...) | |
| 810 <style> : {customizable} if first line of block | |
| 811 : GetCSSIndent() else | |
| 4869 | 812 <!-- --> : -1 |
| 813 | |
| 814 | |
| 1668 | 815 PHP *ft-php-indent* *php-indent* *php-indenting* |
| 816 | |
| 817 NOTE: PHP files will be indented correctly only if PHP |syntax| is active. | |
| 818 | |
| 819 If you are editing a file in Unix 'fileformat' and '\r' characters are present | |
| 820 before new lines, indentation won't proceed correctly ; you have to remove | |
| 821 those useless characters first with a command like: > | |
| 822 | |
| 823 :%s /\r$//g | |
| 824 | |
| 825 Or, you can simply |:let| the variable PHP_removeCRwhenUnix to 1 and the | |
|
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826 script will silently remove them when Vim loads a PHP file (at each |BufRead|). |
| 1668 | 827 |
| 828 OPTIONS: ~ | |
| 829 | |
| 830 PHP indenting can be altered in several ways by modifying the values of some | |
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831 global variables: |
| 1668 | 832 |
| 5862 | 833 *php-comment* *PHP_autoformatcomment* |
| 17667 | 834 To not enable auto-formatting of comments by default (if you want to use your |
| 1668 | 835 own 'formatoptions'): > |
| 836 :let g:PHP_autoformatcomment = 0 | |
| 837 | |
| 838 Else, 't' will be removed from the 'formatoptions' string and "qrowcb" will be | |
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839 added, see |fo-table| for more information. |
| 1668 | 840 ------------- |
| 841 | |
| 5862 | 842 *PHP_outdentSLComments* |
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843 To add extra indentation to single-line comments: > |
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844 :let g:PHP_outdentSLComments = N |
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845 |
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846 With N being the number of 'shiftwidth' to add. |
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847 |
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848 Only single-line comments will be affected such as: > |
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849 # Comment |
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850 // Comment |
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851 /* Comment */ |
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852 ------------- |
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853 |
| 5862 | 854 *PHP_default_indenting* |
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855 To add extra indentation to every PHP lines with N being the number of |
| 1668 | 856 'shiftwidth' to add: > |
| 857 :let g:PHP_default_indenting = N | |
| 858 | |
| 859 For example, with N = 1, this will give: | |
| 860 > | |
| 861 <?php | |
| 862 if (!isset($History_lst_sel)) | |
| 863 if (!isset($History_lst_sel)) | |
| 864 if (!isset($History_lst_sel)) { | |
| 865 $History_lst_sel=0; | |
| 866 } else | |
| 867 $foo="bar"; | |
| 868 | |
| 869 $command_hist = TRUE; | |
| 870 ?> | |
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871 (Notice the extra indentation between the PHP container markers and the code) |
| 1668 | 872 ------------- |
| 873 | |
| 5862 | 874 *PHP_outdentphpescape* |
| 875 To indent PHP escape tags as the surrounding non-PHP code (only affects the | |
| 876 PHP escape tags): > | |
| 877 :let g:PHP_outdentphpescape = 0 | |
| 2442 | 878 ------------- |
| 879 | |
| 5862 | 880 *PHP_removeCRwhenUnix* |
| 1668 | 881 To automatically remove '\r' characters when the 'fileformat' is set to Unix: > |
| 882 :let g:PHP_removeCRwhenUnix = 1 | |
| 883 ------------- | |
| 884 | |
| 5862 | 885 *PHP_BracesAtCodeLevel* |
| 1668 | 886 To indent braces at the same level than the code they contain: > |
| 887 :let g:PHP_BracesAtCodeLevel = 1 | |
| 888 | |
| 889 This will give the following result: > | |
| 890 if ($foo) | |
| 891 { | |
| 892 foo(); | |
| 893 } | |
| 894 Instead of: > | |
| 895 if ($foo) | |
| 896 { | |
| 897 foo(); | |
| 898 } | |
| 899 | |
| 900 NOTE: Indenting will be a bit slower if this option is used because some | |
| 901 optimizations won't be available. | |
| 902 ------------- | |
| 903 | |
| 17571 | 904 *PHP_vintage_case_default_indent* |
| 1668 | 905 To indent 'case:' and 'default:' statements in switch() blocks: > |
| 906 :let g:PHP_vintage_case_default_indent = 1 | |
| 907 | |
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908 In PHP braces are not required inside 'case/default' blocks therefore 'case:' |
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909 and 'default:' are indented at the same level than the 'switch()' to avoid |
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910 meaningless indentation. You can use the above option to return to the |
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911 traditional way. |
| 14006 | 912 ------------- |
| 913 | |
| 914 *PHP_noArrowMatching* | |
| 915 By default the indent script will indent multi-line chained calls by matching | |
| 916 the position of the '->': > | |
| 917 | |
| 918 $user_name_very_long->name() | |
| 919 ->age() | |
| 920 ->info(); | |
| 921 | |
| 922 You can revert to the classic way of indenting by setting this option to 1: > | |
| 923 :let g:PHP_noArrowMatching = 1 | |
| 924 | |
| 925 You will obtain the following result: > | |
| 926 | |
| 927 $user_name_very_long->name() | |
| 928 ->age() | |
| 929 ->info(); | |
| 930 | |
| 17571 | 931 ------------- |
| 932 | |
| 933 *PHP_IndentFunctionCallParameters* | |
| 934 Extra indentation levels to add to parameters in multi-line function calls. > | |
| 935 let g:PHP_IndentFunctionCallParameters = 1 | |
| 936 | |
| 937 Function call arguments will indent 1 extra level. For two-space indentation: > | |
| 938 | |
| 939 function call_the_thing( | |
| 940 $with_this, | |
| 941 $and_that | |
| 942 ) { | |
| 943 $this->do_the_thing( | |
| 944 $with_this, | |
| 945 $and_that | |
| 946 ); | |
| 947 } | |
| 948 | |
| 949 ------------- | |
| 950 | |
| 951 *PHP_IndentFunctionDeclarationParameters* | |
| 18343 | 952 Extra indentation levels to add to arguments in multi-line function |
| 953 definitions. > | |
| 17571 | 954 let g:PHP_IndentFunctionDeclarationParameters = 1 |
| 955 | |
| 18343 | 956 Function arguments in declarations will indent 1 extra level. For two-space |
| 957 indentation: > | |
| 17571 | 958 |
| 959 function call_the_thing( | |
| 960 $with_this, | |
| 961 $and_that | |
| 962 ) { | |
| 963 $this->do_the_thing( | |
| 964 $with_this, | |
| 965 $and_that | |
| 966 ); | |
| 967 } | |
| 1668 | 968 |
| 969 | |
| 501 | 970 PYTHON *ft-python-indent* |
| 170 | 971 |
| 972 The amount of indent can be set for the following situations. The examples | |
| 1698 | 973 given are the defaults. Note that the variables are set to an expression, so |
| 974 that you can change the value of 'shiftwidth' later. | |
| 170 | 975 |
| 976 Indent after an open paren: > | |
| 15033 | 977 let g:pyindent_open_paren = 'shiftwidth() * 2' |
| 170 | 978 Indent after a nested paren: > |
| 15033 | 979 let g:pyindent_nested_paren = 'shiftwidth()' |
| 170 | 980 Indent for a continuation line: > |
| 15033 | 981 let g:pyindent_continue = 'shiftwidth() * 2' |
| 170 | 982 |
| 15033 | 983 The method uses |searchpair()| to look back for unclosed parenthesis. This |
| 984 can sometimes be slow, thus it timeouts after 150 msec. If you notice the | |
| 14945 | 985 indenting isn't correct, you can set a larger timeout in msec: > |
| 986 let g:pyindent_searchpair_timeout = 500 | |
| 987 | |
| 15932 | 988 If looking back for unclosed parenthesis is still too slow, especially during |
| 989 a copy-paste operation, or if you don't need indenting inside multi-line | |
| 990 parentheses, you can completely disable this feature: > | |
| 991 let g:pyindent_disable_parentheses_indenting = 1 | |
| 992 | |
| 170 | 993 |
| 3082 | 994 R *ft-r-indent* |
| 995 | |
| 996 Function arguments are aligned if they span for multiple lines. If you prefer | |
| 997 do not have the arguments of functions aligned, put in your |vimrc|: | |
| 998 > | |
| 999 let r_indent_align_args = 0 | |
| 1000 < | |
| 1001 All lines beginning with a comment character, #, get the same indentation | |
| 1002 level of the normal R code. Users of Emacs/ESS may be used to have lines | |
| 1003 beginning with a single # indented in the 40th column, ## indented as R code, | |
| 1004 and ### not indented. If you prefer that lines beginning with comment | |
| 1005 characters are aligned as they are by Emacs/ESS, put in your |vimrc|: | |
| 1006 > | |
| 1007 let r_indent_ess_comments = 1 | |
| 1008 < | |
| 1009 If you prefer that lines beginning with a single # are aligned at a column | |
| 1010 different from the 40th one, you should set a new value to the variable | |
| 1011 r_indent_comment_column, as in the example below: | |
| 1012 > | |
| 1013 let r_indent_comment_column = 30 | |
| 1014 < | |
| 1015 Any code after a line that ends with "<-" is indented. Emacs/ESS does not | |
| 1016 indent the code if it is a top level function. If you prefer that the | |
| 1017 Vim-R-plugin behaves like Emacs/ESS in this regard, put in your |vimrc|: | |
| 1018 > | |
| 1019 let r_indent_ess_compatible = 1 | |
| 1020 < | |
| 1021 Below is an example of indentation with and without this option enabled: | |
| 1022 > | |
| 1023 ### r_indent_ess_compatible = 1 ### r_indent_ess_compatible = 0 | |
| 1024 foo <- foo <- | |
| 1025 function(x) function(x) | |
| 1026 { { | |
| 1027 paste(x) paste(x) | |
| 1028 } } | |
| 1029 < | |
| 14637 | 1030 The code will be indented after lines that match the pattern |
| 1031 `'\(&\||\|+\|-\|\*\|/\|=\|\~\|%\|->\)\s*$'`. If you want indentation after | |
| 1032 lines that match a different pattern, you should set the appropriate value of | |
| 1033 `r_indent_op_pattern` in your |vimrc|. | |
| 1034 | |
| 3082 | 1035 |
| 1201 | 1036 SHELL *ft-sh-indent* |
| 1037 | |
| 1038 The amount of indent applied under various circumstances in a shell file can | |
| 1039 be configured by setting the following keys in the |Dictionary| | |
| 1040 b:sh_indent_defaults to a specific amount or to a |Funcref| that references a | |
| 1041 function that will return the amount desired: | |
| 1042 | |
| 1043 b:sh_indent_options['default'] Default amount of indent. | |
| 1044 | |
| 1045 b:sh_indent_options['continuation-line'] | |
| 1046 Amount of indent to add to a continued line. | |
| 1047 | |
| 1048 b:sh_indent_options['case-labels'] | |
| 1049 Amount of indent to add for case labels. | |
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1050 (not actually implemented) |
| 1201 | 1051 |
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1052 b:sh_indent_options['case-statements'] |
| 1201 | 1053 Amount of indent to add for case statements. |
| 1054 | |
| 1055 b:sh_indent_options['case-breaks'] | |
| 1056 Amount of indent to add (or more likely | |
| 1057 remove) for case breaks. | |
| 1058 | |
| 501 | 1059 VERILOG *ft-verilog-indent* |
| 7 | 1060 |
| 1061 General block statements such as if, for, case, always, initial, function, | |
| 1062 specify and begin, etc., are indented. The module block statements (first | |
| 1063 level blocks) are not indented by default. you can turn on the indent with | |
| 1064 setting a variable in the .vimrc as follows: > | |
| 1065 | |
| 1066 let b:verilog_indent_modules = 1 | |
| 1067 | |
| 1068 then the module blocks will be indented. To stop this, remove the variable: > | |
| 1069 | |
| 1070 :unlet b:verilog_indent_modules | |
| 1071 | |
| 1072 To set the variable only for Verilog file. The following statements can be | |
| 1073 used: > | |
| 1074 | |
| 1075 au BufReadPost * if exists("b:current_syntax") | |
| 1076 au BufReadPost * if b:current_syntax == "verilog" | |
| 1077 au BufReadPost * let b:verilog_indent_modules = 1 | |
| 1078 au BufReadPost * endif | |
| 1079 au BufReadPost * endif | |
| 1080 | |
| 1081 Furthermore, setting the variable b:verilog_indent_width to change the | |
| 1082 indenting width (default is 'shiftwidth'): > | |
| 1083 | |
| 1084 let b:verilog_indent_width = 4 | |
| 15033 | 1085 let b:verilog_indent_width = shiftwidth() * 2 |
| 7 | 1086 |
| 1087 In addition, you can turn the verbose mode for debug issue: > | |
| 1088 | |
| 1089 let b:verilog_indent_verbose = 1 | |
| 1090 | |
| 1091 Make sure to do ":set cmdheight=2" first to allow the display of the message. | |
| 1092 | |
| 22 | 1093 |
| 1620 | 1094 VHDL *ft-vhdl-indent* |
| 1095 | |
| 1096 Alignment of generic/port mapping statements are performed by default. This | |
| 1097 causes the following alignment example: > | |
| 1098 | |
| 1099 ENTITY sync IS | |
| 1100 PORT ( | |
| 1101 clk : IN STD_LOGIC; | |
| 1102 reset_n : IN STD_LOGIC; | |
| 1103 data_input : IN STD_LOGIC; | |
| 1104 data_out : OUT STD_LOGIC | |
| 1105 ); | |
| 1106 END ENTITY sync; | |
| 1107 | |
| 1108 To turn this off, add > | |
| 1109 | |
| 1110 let g:vhdl_indent_genportmap = 0 | |
| 1111 | |
| 1112 to the .vimrc file, which causes the previous alignment example to change: > | |
| 1113 | |
| 1114 ENTITY sync IS | |
| 1115 PORT ( | |
| 1116 clk : IN STD_LOGIC; | |
| 1117 reset_n : IN STD_LOGIC; | |
| 1118 data_input : IN STD_LOGIC; | |
| 1119 data_out : OUT STD_LOGIC | |
| 1120 ); | |
| 1121 END ENTITY sync; | |
| 1122 | |
| 1123 ---------------------------------------- | |
| 1124 | |
| 1125 Alignment of right-hand side assignment "<=" statements are performed by | |
| 1126 default. This causes the following alignment example: > | |
| 1127 | |
| 1128 sig_out <= (bus_a(1) AND | |
| 1129 (sig_b OR sig_c)) OR | |
| 1130 (bus_a(0) AND sig_d); | |
| 1131 | |
| 1132 To turn this off, add > | |
| 1133 | |
| 1134 let g:vhdl_indent_rhsassign = 0 | |
| 1135 | |
| 1136 to the .vimrc file, which causes the previous alignment example to change: > | |
| 1137 | |
| 1138 sig_out <= (bus_a(1) AND | |
| 1139 (sig_b OR sig_c)) OR | |
| 1140 (bus_a(0) AND sig_d); | |
| 1141 | |
| 1142 ---------------------------------------- | |
| 1143 | |
| 1144 Full-line comments (lines that begin with "--") are indented to be aligned with | |
| 1145 the very previous line's comment, PROVIDED that a whitespace follows after | |
| 1146 "--". | |
| 1147 | |
| 1148 For example: > | |
| 1149 | |
| 1150 sig_a <= sig_b; -- start of a comment | |
| 1151 -- continuation of the comment | |
| 1152 -- more of the same comment | |
| 1153 | |
| 1154 While in Insert mode, after typing "-- " (note the space " "), hitting CTRL-F | |
| 1155 will align the current "-- " with the previous line's "--". | |
| 1156 | |
| 1157 If the very previous line does not contain "--", THEN the full-line comment | |
| 1158 will be aligned with the start of the next non-blank line that is NOT a | |
| 1159 full-line comment. | |
| 1160 | |
| 1161 Indenting the following code: > | |
| 1162 | |
| 1163 sig_c <= sig_d; -- comment 0 | |
| 1164 -- comment 1 | |
| 1165 -- comment 2 | |
| 1166 --debug_code: | |
| 1167 --PROCESS(debug_in) | |
| 1168 --BEGIN | |
| 1169 -- FOR i IN 15 DOWNTO 0 LOOP | |
| 1170 -- debug_out(8*i+7 DOWNTO 8*i) <= debug_in(15-i); | |
| 1171 -- END LOOP; | |
| 1172 --END PROCESS debug_code; | |
| 1173 | |
| 1174 -- comment 3 | |
| 1175 sig_e <= sig_f; -- comment 4 | |
| 1176 -- comment 5 | |
| 1177 | |
| 1178 results in: > | |
| 1179 | |
| 1180 sig_c <= sig_d; -- comment 0 | |
| 1181 -- comment 1 | |
| 1182 -- comment 2 | |
| 1183 --debug_code: | |
| 1184 --PROCESS(debug_in) | |
| 1185 --BEGIN | |
| 1186 -- FOR i IN 15 DOWNTO 0 LOOP | |
| 1187 -- debug_out(8*i+7 DOWNTO 8*i) <= debug_in(15-i); | |
| 1188 -- END LOOP; | |
| 1189 --END PROCESS debug_code; | |
| 1190 | |
| 1191 -- comment 3 | |
| 1192 sig_e <= sig_f; -- comment 4 | |
| 1193 -- comment 5 | |
| 1194 | |
| 1195 Notice that "--debug_code:" does not align with "-- comment 2" | |
| 1196 because there is no whitespace that follows after "--" in "--debug_code:". | |
| 1197 | |
| 1198 Given the dynamic nature of indenting comments, indenting should be done TWICE. | |
| 1199 On the first pass, code will be indented. On the second pass, full-line | |
| 1200 comments will be indented according to the correctly indented code. | |
| 1201 | |
| 1202 | |
| 501 | 1203 VIM *ft-vim-indent* |
| 22 | 1204 |
| 1205 For indenting Vim scripts there is one variable that specifies the amount of | |
| 1206 indent for a continuation line, a line that starts with a backslash: > | |
| 1207 | |
| 15033 | 1208 :let g:vim_indent_cont = shiftwidth() * 3 |
| 22 | 1209 |
| 1210 Three times shiftwidth is the default value. | |
| 1211 | |
| 1212 | |
| 14421 | 1213 vim:tw=78:ts=8:noet:ft=help:norl: |