Mercurial > vim
annotate runtime/indent/ruby.vim @ 29881:0cc9a3001717 v9.0.0279
patch 9.0.0279: the tiny version has the popup menu but not 'wildmenu'
Commit: https://github.com/vim/vim/commit/5416232707349d5f24294178f47544f2024b73ed
Author: Bram Moolenaar <Bram@vim.org>
Date: Fri Aug 26 16:58:51 2022 +0100
patch 9.0.0279: the tiny version has the popup menu but not 'wildmenu'
Problem: The tiny version has the popup menu but not 'wildmenu'.
Solution: Graduate the wildmenu feature.
| author | Bram Moolenaar <Bram@vim.org> |
|---|---|
| date | Fri, 26 Aug 2022 18:00:05 +0200 |
| parents | e3d6184b89fa |
| children | d3d82d3f6006 |
| rev | line source |
|---|---|
| 7 | 1 " Vim indent file |
| 843 | 2 " Language: Ruby |
| 15512 | 3 " Maintainer: Andrew Radev <andrey.radev@gmail.com> |
| 4 " Previous Maintainer: Nikolai Weibull <now at bitwi.se> | |
| 4869 | 5 " URL: https://github.com/vim-ruby/vim-ruby |
| 843 | 6 " Release Coordinator: Doug Kearns <dougkearns@gmail.com> |
| 28246 | 7 " Last Change: 2022 Mar 22 |
| 530 | 8 |
| 9 " 0. Initialization {{{1 | |
| 10 " ================= | |
| 7 | 11 |
| 12 " Only load this indent file when no other was loaded. | |
| 13 if exists("b:did_indent") | |
| 14 finish | |
| 15 endif | |
| 16 let b:did_indent = 1 | |
| 17 | |
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18 if !exists('g:ruby_indent_access_modifier_style') |
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19 " Possible values: "normal", "indent", "outdent" |
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20 let g:ruby_indent_access_modifier_style = 'normal' |
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21 endif |
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22 |
| 15512 | 23 if !exists('g:ruby_indent_assignment_style') |
| 24 " Possible values: "variable", "hanging" | |
| 25 let g:ruby_indent_assignment_style = 'hanging' | |
| 26 endif | |
| 27 | |
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28 if !exists('g:ruby_indent_block_style') |
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29 " Possible values: "expression", "do" |
| 23931 | 30 let g:ruby_indent_block_style = 'do' |
| 31 endif | |
| 32 | |
| 33 if !exists('g:ruby_indent_hanging_elements') | |
| 34 " Non-zero means hanging indents are enabled, zero means disabled | |
| 35 let g:ruby_indent_hanging_elements = 1 | |
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36 endif |
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37 |
| 843 | 38 setlocal nosmartindent |
| 39 | |
| 530 | 40 " Now, set up our indentation expression and keys that trigger it. |
| 4869 | 41 setlocal indentexpr=GetRubyIndent(v:lnum) |
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42 setlocal indentkeys=0{,0},0),0],!^F,o,O,e,:,. |
| 28246 | 43 setlocal indentkeys+==end,=else,=elsif,=when,=in\ ,=ensure,=rescue,==begin,==end |
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44 setlocal indentkeys+==private,=protected,=public |
| 7 | 45 |
| 28246 | 46 let b:undo_indent = "setlocal indentexpr< indentkeys< smartindent<" |
| 47 | |
| 7 | 48 " Only define the function once. |
| 49 if exists("*GetRubyIndent") | |
| 50 finish | |
| 51 endif | |
| 52 | |
| 530 | 53 let s:cpo_save = &cpo |
| 54 set cpo&vim | |
| 55 | |
| 56 " 1. Variables {{{1 | |
| 57 " ============ | |
| 58 | |
| 15512 | 59 " Syntax group names that are strings. |
| 60 let s:syng_string = | |
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61 \ ['String', 'Interpolation', 'InterpolationDelimiter', 'StringEscape'] |
| 530 | 62 |
| 15512 | 63 " Syntax group names that are strings or documentation. |
| 64 let s:syng_stringdoc = s:syng_string + ['Documentation'] | |
| 530 | 65 |
| 15512 | 66 " Syntax group names that are or delimit strings/symbols/regexes or are comments. |
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67 let s:syng_strcom = s:syng_stringdoc + [ |
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68 \ 'Character', |
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69 \ 'Comment', |
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70 \ 'HeredocDelimiter', |
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71 \ 'PercentRegexpDelimiter', |
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72 \ 'PercentStringDelimiter', |
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73 \ 'PercentSymbolDelimiter', |
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74 \ 'Regexp', |
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75 \ 'RegexpCharClass', |
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76 \ 'RegexpDelimiter', |
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77 \ 'RegexpEscape', |
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78 \ 'StringDelimiter', |
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79 \ 'Symbol', |
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80 \ 'SymbolDelimiter', |
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81 \ ] |
| 530 | 82 |
| 83 " Expression used to check whether we should skip a match with searchpair(). | |
| 84 let s:skip_expr = | |
| 15512 | 85 \ 'index(map('.string(s:syng_strcom).',"hlID(''ruby''.v:val)"), synID(line("."),col("."),1)) >= 0' |
| 530 | 86 |
| 87 " Regex used for words that, at the start of a line, add a level of indent. | |
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88 let s:ruby_indent_keywords = |
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89 \ '^\s*\zs\<\%(module\|class\|if\|for' . |
| 28246 | 90 \ '\|while\|until\|else\|elsif\|case\|when\|in\|unless\|begin\|ensure\|rescue' . |
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91 \ '\|\%(\K\k*[!?]\?\s\+\)\=def\):\@!\>' . |
| 4869 | 92 \ '\|\%([=,*/%+-]\|<<\|>>\|:\s\)\s*\zs' . |
| 93 \ '\<\%(if\|for\|while\|until\|case\|unless\|begin\):\@!\>' | |
| 530 | 94 |
| 28246 | 95 " Def without an end clause: def method_call(...) = <expression> |
| 96 let s:ruby_endless_def = '\<def\s\+\k\+[!?]\=\%((.*)\|\s\)\s*=' | |
| 97 | |
| 530 | 98 " Regex used for words that, at the start of a line, remove a level of indent. |
| 99 let s:ruby_deindent_keywords = | |
| 28246 | 100 \ '^\s*\zs\<\%(ensure\|else\|rescue\|elsif\|when\|in\|end\):\@!\>' |
| 530 | 101 |
| 102 " Regex that defines the start-match for the 'end' keyword. | |
| 103 "let s:end_start_regex = '\%(^\|[^.]\)\<\%(module\|class\|def\|if\|for\|while\|until\|case\|unless\|begin\|do\)\>' | |
| 104 " TODO: the do here should be restricted somewhat (only at end of line)? | |
| 4869 | 105 let s:end_start_regex = |
| 106 \ '\C\%(^\s*\|[=,*/%+\-|;{]\|<<\|>>\|:\s\)\s*\zs' . | |
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107 \ '\<\%(module\|class\|if\|for\|while\|until\|case\|unless\|begin' . |
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108 \ '\|\%(\K\k*[!?]\?\s\+\)\=def\):\@!\>' . |
| 4869 | 109 \ '\|\%(^\|[^.:@$]\)\@<=\<do:\@!\>' |
| 530 | 110 |
| 111 " Regex that defines the middle-match for the 'end' keyword. | |
| 28246 | 112 let s:end_middle_regex = '\<\%(ensure\|else\|\%(\%(^\|;\)\s*\)\@<=\<rescue:\@!\>\|when\|\%(\%(^\|;\)\s*\)\@<=\<in\|elsif\):\@!\>' |
| 530 | 113 |
| 114 " Regex that defines the end-match for the 'end' keyword. | |
| 4869 | 115 let s:end_end_regex = '\%(^\|[^.:@$]\)\@<=\<end:\@!\>' |
| 530 | 116 |
| 28246 | 117 " Expression used for searchpair() call for finding a match for an 'end' keyword. |
| 118 function! s:EndSkipExpr() | |
| 119 if eval(s:skip_expr) | |
| 120 return 1 | |
| 121 elseif expand('<cword>') == 'do' | |
| 122 \ && getline(".") =~ '^\s*\<\(while\|until\|for\):\@!\>' | |
| 123 return 1 | |
| 124 elseif getline('.') =~ s:ruby_endless_def | |
| 125 return 1 | |
| 126 elseif getline('.') =~ '\<def\s\+\k\+[!?]\=([^)]*$' | |
| 127 " Then it's a `def method(` with a possible `) =` later | |
| 128 call search('\<def\s\+\k\+\zs(', 'W', line('.')) | |
| 129 normal! % | |
| 130 return getline('.') =~ ')\s*=' | |
| 131 else | |
| 132 return 0 | |
| 133 endif | |
| 134 endfunction | |
| 135 | |
| 136 let s:end_skip_expr = function('s:EndSkipExpr') | |
| 530 | 137 |
| 138 " Regex that defines continuation lines, not including (, {, or [. | |
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139 let s:non_bracket_continuation_regex = |
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140 \ '\%([\\.,:*/%+]\|\<and\|\<or\|\%(<%\)\@<![=-]\|:\@<![^[:alnum:]:][|&?]\|||\|&&\)\s*\%(#.*\)\=$' |
| 530 | 141 |
| 142 " Regex that defines continuation lines. | |
| 4869 | 143 let s:continuation_regex = |
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144 \ '\%(%\@<![({[\\.,:*/%+]\|\<and\|\<or\|\%(<%\)\@<![=-]\|:\@<![^[:alnum:]:][|&?]\|||\|&&\)\s*\%(#.*\)\=$' |
| 4869 | 145 |
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146 " Regex that defines continuable keywords |
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147 let s:continuable_regex = |
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148 \ '\C\%(^\s*\|[=,*/%+\-|;{]\|<<\|>>\|:\s\)\s*\zs' . |
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149 \ '\<\%(if\|for\|while\|until\|unless\):\@!\>' |
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150 |
| 4869 | 151 " Regex that defines bracket continuations |
| 152 let s:bracket_continuation_regex = '%\@<!\%([({[]\)\s*\%(#.*\)\=$' | |
| 153 | |
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154 " Regex that defines dot continuations |
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155 let s:dot_continuation_regex = '%\@<!\.\s*\%(#.*\)\=$' |
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156 |
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157 " Regex that defines backslash continuations |
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158 let s:backslash_continuation_regex = '%\@<!\\\s*$' |
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159 |
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160 " Regex that defines end of bracket continuation followed by another continuation |
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161 let s:bracket_switch_continuation_regex = '^\([^(]\+\zs).\+\)\+'.s:continuation_regex |
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162 |
| 4869 | 163 " Regex that defines the first part of a splat pattern |
| 164 let s:splat_regex = '[[,(]\s*\*\s*\%(#.*\)\=$' | |
| 530 | 165 |
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166 " Regex that describes all indent access modifiers |
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167 let s:access_modifier_regex = '\C^\s*\%(public\|protected\|private\)\s*\%(#.*\)\=$' |
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168 |
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169 " Regex that describes the indent access modifiers (excludes public) |
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170 let s:indent_access_modifier_regex = '\C^\s*\%(protected\|private\)\s*\%(#.*\)\=$' |
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171 |
| 530 | 172 " Regex that defines blocks. |
| 4869 | 173 " |
| 174 " Note that there's a slight problem with this regex and s:continuation_regex. | |
| 175 " Code like this will be matched by both: | |
| 176 " | |
| 177 " method_call do |(a, b)| | |
| 178 " | |
| 179 " The reason is that the pipe matches a hanging "|" operator. | |
| 180 " | |
| 530 | 181 let s:block_regex = |
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182 \ '\%(\<do:\@!\>\|%\@<!{\)\s*\%(|[^|]*|\)\=\s*\%(#.*\)\=$' |
| 4869 | 183 |
| 184 let s:block_continuation_regex = '^\s*[^])}\t ].*'.s:block_regex | |
| 530 | 185 |
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186 " Regex that describes a leading operator (only a method call's dot for now) |
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187 let s:leading_operator_regex = '^\s*\%(&\=\.\)' |
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188 |
| 15512 | 189 " 2. GetRubyIndent Function {{{1 |
| 190 " ========================= | |
| 191 | |
| 192 function! GetRubyIndent(...) abort | |
| 193 " 2.1. Setup {{{2 | |
| 194 " ---------- | |
| 195 | |
| 196 let indent_info = {} | |
| 197 | |
| 198 " The value of a single shift-width | |
| 199 if exists('*shiftwidth') | |
| 200 let indent_info.sw = shiftwidth() | |
| 201 else | |
| 202 let indent_info.sw = &sw | |
| 203 endif | |
| 204 | |
| 205 " For the current line, use the first argument if given, else v:lnum | |
| 206 let indent_info.clnum = a:0 ? a:1 : v:lnum | |
| 207 let indent_info.cline = getline(indent_info.clnum) | |
| 208 | |
| 209 " Set up variables for restoring position in file. Could use clnum here. | |
| 210 let indent_info.col = col('.') | |
| 211 | |
| 212 " 2.2. Work on the current line {{{2 | |
| 213 " ----------------------------- | |
| 214 let indent_callback_names = [ | |
| 215 \ 's:AccessModifier', | |
| 216 \ 's:ClosingBracketOnEmptyLine', | |
| 217 \ 's:BlockComment', | |
| 218 \ 's:DeindentingKeyword', | |
| 219 \ 's:MultilineStringOrLineComment', | |
| 220 \ 's:ClosingHeredocDelimiter', | |
| 221 \ 's:LeadingOperator', | |
| 222 \ ] | |
| 223 | |
| 224 for callback_name in indent_callback_names | |
| 225 " Decho "Running: ".callback_name | |
| 226 let indent = call(function(callback_name), [indent_info]) | |
| 227 | |
| 228 if indent >= 0 | |
| 229 " Decho "Match: ".callback_name." indent=".indent." info=".string(indent_info) | |
| 230 return indent | |
| 231 endif | |
| 232 endfor | |
| 233 | |
| 234 " 2.3. Work on the previous line. {{{2 | |
| 235 " ------------------------------- | |
| 236 | |
| 237 " Special case: we don't need the real s:PrevNonBlankNonString for an empty | |
| 238 " line inside a string. And that call can be quite expensive in that | |
| 239 " particular situation. | |
| 240 let indent_callback_names = [ | |
| 241 \ 's:EmptyInsideString', | |
| 242 \ ] | |
| 243 | |
| 244 for callback_name in indent_callback_names | |
| 245 " Decho "Running: ".callback_name | |
| 246 let indent = call(function(callback_name), [indent_info]) | |
| 247 | |
| 248 if indent >= 0 | |
| 249 " Decho "Match: ".callback_name." indent=".indent." info=".string(indent_info) | |
| 250 return indent | |
| 251 endif | |
| 252 endfor | |
| 253 | |
| 254 " Previous line number | |
| 255 let indent_info.plnum = s:PrevNonBlankNonString(indent_info.clnum - 1) | |
| 256 let indent_info.pline = getline(indent_info.plnum) | |
| 257 | |
| 258 let indent_callback_names = [ | |
| 259 \ 's:StartOfFile', | |
| 260 \ 's:AfterAccessModifier', | |
| 261 \ 's:ContinuedLine', | |
| 262 \ 's:AfterBlockOpening', | |
| 263 \ 's:AfterHangingSplat', | |
| 264 \ 's:AfterUnbalancedBracket', | |
| 265 \ 's:AfterLeadingOperator', | |
| 266 \ 's:AfterEndKeyword', | |
| 267 \ 's:AfterIndentKeyword', | |
| 268 \ ] | |
| 269 | |
| 270 for callback_name in indent_callback_names | |
| 271 " Decho "Running: ".callback_name | |
| 272 let indent = call(function(callback_name), [indent_info]) | |
| 273 | |
| 274 if indent >= 0 | |
| 275 " Decho "Match: ".callback_name." indent=".indent." info=".string(indent_info) | |
| 276 return indent | |
| 277 endif | |
| 278 endfor | |
| 279 | |
| 280 " 2.4. Work on the MSL line. {{{2 | |
| 281 " -------------------------- | |
| 282 let indent_callback_names = [ | |
| 283 \ 's:PreviousNotMSL', | |
| 284 \ 's:IndentingKeywordInMSL', | |
| 285 \ 's:ContinuedHangingOperator', | |
| 286 \ ] | |
| 287 | |
| 288 " Most Significant line based on the previous one -- in case it's a | |
| 25773 | 289 " continuation of something above |
| 15512 | 290 let indent_info.plnum_msl = s:GetMSL(indent_info.plnum) |
| 291 | |
| 292 for callback_name in indent_callback_names | |
| 293 " Decho "Running: ".callback_name | |
| 294 let indent = call(function(callback_name), [indent_info]) | |
| 295 | |
| 296 if indent >= 0 | |
| 297 " Decho "Match: ".callback_name." indent=".indent." info=".string(indent_info) | |
| 298 return indent | |
| 299 endif | |
| 300 endfor | |
| 301 | |
| 302 " }}}2 | |
| 303 | |
| 304 " By default, just return the previous line's indent | |
| 305 " Decho "Default case matched" | |
| 306 return indent(indent_info.plnum) | |
| 307 endfunction | |
| 308 | |
| 309 " 3. Indenting Logic Callbacks {{{1 | |
| 310 " ============================ | |
| 311 | |
| 312 function! s:AccessModifier(cline_info) abort | |
| 313 let info = a:cline_info | |
| 314 | |
| 315 " If this line is an access modifier keyword, align according to the closest | |
| 316 " class declaration. | |
| 317 if g:ruby_indent_access_modifier_style == 'indent' | |
| 318 if s:Match(info.clnum, s:access_modifier_regex) | |
| 319 let class_lnum = s:FindContainingClass() | |
| 320 if class_lnum > 0 | |
| 321 return indent(class_lnum) + info.sw | |
| 322 endif | |
| 323 endif | |
| 324 elseif g:ruby_indent_access_modifier_style == 'outdent' | |
| 325 if s:Match(info.clnum, s:access_modifier_regex) | |
| 326 let class_lnum = s:FindContainingClass() | |
| 327 if class_lnum > 0 | |
| 328 return indent(class_lnum) | |
| 329 endif | |
| 330 endif | |
| 331 endif | |
| 332 | |
| 333 return -1 | |
| 334 endfunction | |
| 335 | |
| 336 function! s:ClosingBracketOnEmptyLine(cline_info) abort | |
| 337 let info = a:cline_info | |
| 338 | |
| 339 " If we got a closing bracket on an empty line, find its match and indent | |
| 340 " according to it. For parentheses we indent to its column - 1, for the | |
| 341 " others we indent to the containing line's MSL's level. Return -1 if fail. | |
| 342 let col = matchend(info.cline, '^\s*[]})]') | |
| 343 | |
| 344 if col > 0 && !s:IsInStringOrComment(info.clnum, col) | |
| 345 call cursor(info.clnum, col) | |
| 346 let closing_bracket = info.cline[col - 1] | |
| 347 let bracket_pair = strpart('(){}[]', stridx(')}]', closing_bracket) * 2, 2) | |
| 348 | |
| 349 if searchpair(escape(bracket_pair[0], '\['), '', bracket_pair[1], 'bW', s:skip_expr) > 0 | |
| 350 if closing_bracket == ')' && col('.') != col('$') - 1 | |
| 23931 | 351 if g:ruby_indent_hanging_elements |
| 352 let ind = virtcol('.') - 1 | |
| 353 else | |
| 354 let ind = indent(line('.')) | |
| 355 end | |
| 15512 | 356 elseif g:ruby_indent_block_style == 'do' |
| 357 let ind = indent(line('.')) | |
| 358 else " g:ruby_indent_block_style == 'expression' | |
| 359 let ind = indent(s:GetMSL(line('.'))) | |
| 360 endif | |
| 361 endif | |
| 362 | |
| 363 return ind | |
| 364 endif | |
| 365 | |
| 366 return -1 | |
| 367 endfunction | |
| 368 | |
| 369 function! s:BlockComment(cline_info) abort | |
| 370 " If we have a =begin or =end set indent to first column. | |
| 371 if match(a:cline_info.cline, '^\s*\%(=begin\|=end\)$') != -1 | |
| 372 return 0 | |
| 373 endif | |
| 374 return -1 | |
| 375 endfunction | |
| 376 | |
| 377 function! s:DeindentingKeyword(cline_info) abort | |
| 378 let info = a:cline_info | |
| 379 | |
| 380 " If we have a deindenting keyword, find its match and indent to its level. | |
| 381 " TODO: this is messy | |
| 382 if s:Match(info.clnum, s:ruby_deindent_keywords) | |
| 383 call cursor(info.clnum, 1) | |
| 384 | |
| 385 if searchpair(s:end_start_regex, s:end_middle_regex, s:end_end_regex, 'bW', | |
| 386 \ s:end_skip_expr) > 0 | |
| 387 let msl = s:GetMSL(line('.')) | |
| 388 let line = getline(line('.')) | |
| 389 | |
| 390 if s:IsAssignment(line, col('.')) && | |
| 391 \ strpart(line, col('.') - 1, 2) !~ 'do' | |
| 392 " assignment to case/begin/etc, on the same line | |
| 393 if g:ruby_indent_assignment_style == 'hanging' | |
| 394 " hanging indent | |
| 395 let ind = virtcol('.') - 1 | |
| 396 else | |
| 397 " align with variable | |
| 398 let ind = indent(line('.')) | |
| 399 endif | |
| 400 elseif g:ruby_indent_block_style == 'do' | |
| 401 " align to line of the "do", not to the MSL | |
| 402 let ind = indent(line('.')) | |
| 403 elseif getline(msl) =~ '=\s*\(#.*\)\=$' | |
| 404 " in the case of assignment to the MSL, align to the starting line, | |
| 405 " not to the MSL | |
| 406 let ind = indent(line('.')) | |
| 407 else | |
| 408 " align to the MSL | |
| 409 let ind = indent(msl) | |
| 410 endif | |
| 411 endif | |
| 412 return ind | |
| 413 endif | |
| 414 | |
| 415 return -1 | |
| 416 endfunction | |
| 417 | |
| 418 function! s:MultilineStringOrLineComment(cline_info) abort | |
| 419 let info = a:cline_info | |
| 420 | |
| 421 " If we are in a multi-line string or line-comment, don't do anything to it. | |
| 422 if s:IsInStringOrDocumentation(info.clnum, matchend(info.cline, '^\s*') + 1) | |
| 423 return indent(info.clnum) | |
| 424 endif | |
| 425 return -1 | |
| 426 endfunction | |
| 427 | |
| 428 function! s:ClosingHeredocDelimiter(cline_info) abort | |
| 429 let info = a:cline_info | |
| 430 | |
| 431 " If we are at the closing delimiter of a "<<" heredoc-style string, set the | |
| 432 " indent to 0. | |
| 433 if info.cline =~ '^\k\+\s*$' | |
| 434 \ && s:IsInStringDelimiter(info.clnum, 1) | |
| 435 \ && search('\V<<'.info.cline, 'nbW') > 0 | |
| 436 return 0 | |
| 437 endif | |
| 438 | |
| 439 return -1 | |
| 440 endfunction | |
| 441 | |
| 442 function! s:LeadingOperator(cline_info) abort | |
| 443 " If the current line starts with a leading operator, add a level of indent. | |
| 444 if s:Match(a:cline_info.clnum, s:leading_operator_regex) | |
| 445 return indent(s:GetMSL(a:cline_info.clnum)) + a:cline_info.sw | |
| 446 endif | |
| 447 return -1 | |
| 448 endfunction | |
| 449 | |
| 450 function! s:EmptyInsideString(pline_info) abort | |
| 451 " If the line is empty and inside a string (the previous line is a string, | |
| 452 " too), use the previous line's indent | |
| 453 let info = a:pline_info | |
| 454 | |
| 455 let plnum = prevnonblank(info.clnum - 1) | |
| 456 let pline = getline(plnum) | |
| 457 | |
| 458 if info.cline =~ '^\s*$' | |
| 459 \ && s:IsInStringOrComment(plnum, 1) | |
| 460 \ && s:IsInStringOrComment(plnum, strlen(pline)) | |
| 461 return indent(plnum) | |
| 462 endif | |
| 463 return -1 | |
| 464 endfunction | |
| 465 | |
| 466 function! s:StartOfFile(pline_info) abort | |
| 467 " At the start of the file use zero indent. | |
| 468 if a:pline_info.plnum == 0 | |
| 469 return 0 | |
| 470 endif | |
| 471 return -1 | |
| 472 endfunction | |
| 473 | |
| 474 function! s:AfterAccessModifier(pline_info) abort | |
| 475 let info = a:pline_info | |
| 476 | |
| 477 if g:ruby_indent_access_modifier_style == 'indent' | |
| 478 " If the previous line was a private/protected keyword, add a | |
| 479 " level of indent. | |
| 480 if s:Match(info.plnum, s:indent_access_modifier_regex) | |
| 481 return indent(info.plnum) + info.sw | |
| 482 endif | |
| 483 elseif g:ruby_indent_access_modifier_style == 'outdent' | |
| 484 " If the previous line was a private/protected/public keyword, add | |
| 485 " a level of indent, since the keyword has been out-dented. | |
| 486 if s:Match(info.plnum, s:access_modifier_regex) | |
| 487 return indent(info.plnum) + info.sw | |
| 488 endif | |
| 489 endif | |
| 490 return -1 | |
| 491 endfunction | |
| 492 | |
| 493 " Example: | |
| 494 " | |
| 495 " if foo || bar || | |
| 496 " baz || bing | |
| 497 " puts "foo" | |
| 498 " end | |
| 499 " | |
| 500 function! s:ContinuedLine(pline_info) abort | |
| 501 let info = a:pline_info | |
| 502 | |
| 503 let col = s:Match(info.plnum, s:ruby_indent_keywords) | |
| 504 if s:Match(info.plnum, s:continuable_regex) && | |
| 505 \ s:Match(info.plnum, s:continuation_regex) | |
| 506 if col > 0 && s:IsAssignment(info.pline, col) | |
| 507 if g:ruby_indent_assignment_style == 'hanging' | |
| 508 " hanging indent | |
| 509 let ind = col - 1 | |
| 510 else | |
| 511 " align with variable | |
| 512 let ind = indent(info.plnum) | |
| 513 endif | |
| 514 else | |
| 515 let ind = indent(s:GetMSL(info.plnum)) | |
| 516 endif | |
| 517 return ind + info.sw + info.sw | |
| 518 endif | |
| 519 return -1 | |
| 520 endfunction | |
| 521 | |
| 522 function! s:AfterBlockOpening(pline_info) abort | |
| 523 let info = a:pline_info | |
| 524 | |
| 525 " If the previous line ended with a block opening, add a level of indent. | |
| 526 if s:Match(info.plnum, s:block_regex) | |
| 527 if g:ruby_indent_block_style == 'do' | |
| 528 " don't align to the msl, align to the "do" | |
| 529 let ind = indent(info.plnum) + info.sw | |
| 530 else | |
| 531 let plnum_msl = s:GetMSL(info.plnum) | |
| 532 | |
| 533 if getline(plnum_msl) =~ '=\s*\(#.*\)\=$' | |
| 534 " in the case of assignment to the msl, align to the starting line, | |
| 535 " not to the msl | |
| 536 let ind = indent(info.plnum) + info.sw | |
| 537 else | |
| 538 let ind = indent(plnum_msl) + info.sw | |
| 539 endif | |
| 540 endif | |
| 541 | |
| 542 return ind | |
| 543 endif | |
| 544 | |
| 545 return -1 | |
| 546 endfunction | |
| 547 | |
| 548 function! s:AfterLeadingOperator(pline_info) abort | |
| 549 " If the previous line started with a leading operator, use its MSL's level | |
| 550 " of indent | |
| 551 if s:Match(a:pline_info.plnum, s:leading_operator_regex) | |
| 552 return indent(s:GetMSL(a:pline_info.plnum)) | |
| 553 endif | |
| 554 return -1 | |
| 555 endfunction | |
| 556 | |
| 557 function! s:AfterHangingSplat(pline_info) abort | |
| 558 let info = a:pline_info | |
| 559 | |
| 560 " If the previous line ended with the "*" of a splat, add a level of indent | |
| 561 if info.pline =~ s:splat_regex | |
| 562 return indent(info.plnum) + info.sw | |
| 563 endif | |
| 564 return -1 | |
| 565 endfunction | |
| 566 | |
| 567 function! s:AfterUnbalancedBracket(pline_info) abort | |
| 568 let info = a:pline_info | |
| 569 | |
| 570 " If the previous line contained unclosed opening brackets and we are still | |
| 571 " in them, find the rightmost one and add indent depending on the bracket | |
| 572 " type. | |
| 573 " | |
| 574 " If it contained hanging closing brackets, find the rightmost one, find its | |
| 575 " match and indent according to that. | |
| 576 if info.pline =~ '[[({]' || info.pline =~ '[])}]\s*\%(#.*\)\=$' | |
| 577 let [opening, closing] = s:ExtraBrackets(info.plnum) | |
| 578 | |
| 579 if opening.pos != -1 | |
| 23931 | 580 if !g:ruby_indent_hanging_elements |
| 581 return indent(info.plnum) + info.sw | |
| 582 elseif opening.type == '(' && searchpair('(', '', ')', 'bW', s:skip_expr) > 0 | |
| 15512 | 583 if col('.') + 1 == col('$') |
| 584 return indent(info.plnum) + info.sw | |
| 585 else | |
| 586 return virtcol('.') | |
| 587 endif | |
| 588 else | |
| 589 let nonspace = matchend(info.pline, '\S', opening.pos + 1) - 1 | |
| 590 return nonspace > 0 ? nonspace : indent(info.plnum) + info.sw | |
| 591 endif | |
| 592 elseif closing.pos != -1 | |
| 593 call cursor(info.plnum, closing.pos + 1) | |
| 594 normal! % | |
| 595 | |
| 28246 | 596 if strpart(info.pline, closing.pos) =~ '^)\s*=' |
| 597 " special case: the closing `) =` of an endless def | |
| 598 return indent(s:GetMSL(line('.'))) | |
| 599 endif | |
| 600 | |
| 15512 | 601 if s:Match(line('.'), s:ruby_indent_keywords) |
| 602 return indent('.') + info.sw | |
| 603 else | |
| 604 return indent(s:GetMSL(line('.'))) | |
| 605 endif | |
| 606 else | |
| 607 call cursor(info.clnum, info.col) | |
| 608 end | |
| 609 endif | |
| 610 | |
| 611 return -1 | |
| 612 endfunction | |
| 613 | |
| 614 function! s:AfterEndKeyword(pline_info) abort | |
| 615 let info = a:pline_info | |
| 616 " If the previous line ended with an "end", match that "end"s beginning's | |
| 617 " indent. | |
| 618 let col = s:Match(info.plnum, '\%(^\|[^.:@$]\)\<end\>\s*\%(#.*\)\=$') | |
| 619 if col > 0 | |
| 620 call cursor(info.plnum, col) | |
| 621 if searchpair(s:end_start_regex, '', s:end_end_regex, 'bW', | |
| 622 \ s:end_skip_expr) > 0 | |
| 623 let n = line('.') | |
| 624 let ind = indent('.') | |
| 625 let msl = s:GetMSL(n) | |
| 626 if msl != n | |
| 627 let ind = indent(msl) | |
| 628 end | |
| 629 return ind | |
| 630 endif | |
| 631 end | |
| 632 return -1 | |
| 633 endfunction | |
| 634 | |
| 635 function! s:AfterIndentKeyword(pline_info) abort | |
| 636 let info = a:pline_info | |
| 637 let col = s:Match(info.plnum, s:ruby_indent_keywords) | |
| 638 | |
| 28246 | 639 if col > 0 && s:Match(info.plnum, s:ruby_endless_def) <= 0 |
| 15512 | 640 call cursor(info.plnum, col) |
| 641 let ind = virtcol('.') - 1 + info.sw | |
| 642 " TODO: make this better (we need to count them) (or, if a searchpair | |
| 643 " fails, we know that something is lacking an end and thus we indent a | |
| 644 " level | |
| 645 if s:Match(info.plnum, s:end_end_regex) | |
| 646 let ind = indent('.') | |
| 647 elseif s:IsAssignment(info.pline, col) | |
| 648 if g:ruby_indent_assignment_style == 'hanging' | |
| 649 " hanging indent | |
| 650 let ind = col + info.sw - 1 | |
| 651 else | |
| 652 " align with variable | |
| 653 let ind = indent(info.plnum) + info.sw | |
| 654 endif | |
| 655 endif | |
| 656 return ind | |
| 657 endif | |
| 658 | |
| 659 return -1 | |
| 660 endfunction | |
| 661 | |
| 662 function! s:PreviousNotMSL(msl_info) abort | |
| 663 let info = a:msl_info | |
| 664 | |
| 665 " If the previous line wasn't a MSL | |
| 666 if info.plnum != info.plnum_msl | |
| 667 " If previous line ends bracket and begins non-bracket continuation decrease indent by 1. | |
| 668 if s:Match(info.plnum, s:bracket_switch_continuation_regex) | |
| 669 " TODO (2016-10-07) Wrong/unused? How could it be "1"? | |
| 670 return indent(info.plnum) - 1 | |
| 671 " If previous line is a continuation return its indent. | |
| 23931 | 672 elseif s:Match(info.plnum, s:non_bracket_continuation_regex) |
| 15512 | 673 return indent(info.plnum) |
| 674 endif | |
| 675 endif | |
| 676 | |
| 677 return -1 | |
| 678 endfunction | |
| 679 | |
| 680 function! s:IndentingKeywordInMSL(msl_info) abort | |
| 681 let info = a:msl_info | |
| 682 " If the MSL line had an indenting keyword in it, add a level of indent. | |
| 683 " TODO: this does not take into account contrived things such as | |
| 684 " module Foo; class Bar; end | |
| 685 let col = s:Match(info.plnum_msl, s:ruby_indent_keywords) | |
| 28246 | 686 if col > 0 && s:Match(info.plnum_msl, s:ruby_endless_def) <= 0 |
| 15512 | 687 let ind = indent(info.plnum_msl) + info.sw |
| 688 if s:Match(info.plnum_msl, s:end_end_regex) | |
| 689 let ind = ind - info.sw | |
| 690 elseif s:IsAssignment(getline(info.plnum_msl), col) | |
| 691 if g:ruby_indent_assignment_style == 'hanging' | |
| 692 " hanging indent | |
| 693 let ind = col + info.sw - 1 | |
| 694 else | |
| 695 " align with variable | |
| 696 let ind = indent(info.plnum_msl) + info.sw | |
| 697 endif | |
| 698 endif | |
| 699 return ind | |
| 700 endif | |
| 701 return -1 | |
| 702 endfunction | |
| 703 | |
| 704 function! s:ContinuedHangingOperator(msl_info) abort | |
| 705 let info = a:msl_info | |
| 706 | |
| 707 " If the previous line ended with [*+/.,-=], but wasn't a block ending or a | |
| 708 " closing bracket, indent one extra level. | |
| 709 if s:Match(info.plnum_msl, s:non_bracket_continuation_regex) && !s:Match(info.plnum_msl, '^\s*\([\])}]\|end\)') | |
| 710 if info.plnum_msl == info.plnum | |
| 711 let ind = indent(info.plnum_msl) + info.sw | |
| 712 else | |
| 713 let ind = indent(info.plnum_msl) | |
| 714 endif | |
| 715 return ind | |
| 716 endif | |
| 717 | |
| 718 return -1 | |
| 719 endfunction | |
| 720 | |
| 721 " 4. Auxiliary Functions {{{1 | |
| 530 | 722 " ====================== |
| 723 | |
| 15512 | 724 function! s:IsInRubyGroup(groups, lnum, col) abort |
| 725 let ids = map(copy(a:groups), 'hlID("ruby".v:val)') | |
| 726 return index(ids, synID(a:lnum, a:col, 1)) >= 0 | |
| 727 endfunction | |
| 728 | |
| 530 | 729 " Check if the character at lnum:col is inside a string, comment, or is ascii. |
| 15512 | 730 function! s:IsInStringOrComment(lnum, col) abort |
| 731 return s:IsInRubyGroup(s:syng_strcom, a:lnum, a:col) | |
| 530 | 732 endfunction |
| 733 | |
| 734 " Check if the character at lnum:col is inside a string. | |
| 15512 | 735 function! s:IsInString(lnum, col) abort |
| 736 return s:IsInRubyGroup(s:syng_string, a:lnum, a:col) | |
| 530 | 737 endfunction |
| 738 | |
| 739 " Check if the character at lnum:col is inside a string or documentation. | |
| 15512 | 740 function! s:IsInStringOrDocumentation(lnum, col) abort |
| 741 return s:IsInRubyGroup(s:syng_stringdoc, a:lnum, a:col) | |
| 530 | 742 endfunction |
| 743 | |
| 4869 | 744 " Check if the character at lnum:col is inside a string delimiter |
| 15512 | 745 function! s:IsInStringDelimiter(lnum, col) abort |
|
18857
70ce979e76bc
Update a few runtime files.
Bram Moolenaar <Bram@vim.org>
parents:
15512
diff
changeset
|
746 return s:IsInRubyGroup( |
|
70ce979e76bc
Update a few runtime files.
Bram Moolenaar <Bram@vim.org>
parents:
15512
diff
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747 \ ['HeredocDelimiter', 'PercentStringDelimiter', 'StringDelimiter'], |
|
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748 \ a:lnum, a:col |
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749 \ ) |
| 15512 | 750 endfunction |
| 751 | |
| 752 function! s:IsAssignment(str, pos) abort | |
| 753 return strpart(a:str, 0, a:pos - 1) =~ '=\s*$' | |
| 4869 | 754 endfunction |
| 755 | |
| 530 | 756 " Find line above 'lnum' that isn't empty, in a comment, or in a string. |
| 15512 | 757 function! s:PrevNonBlankNonString(lnum) abort |
| 530 | 758 let in_block = 0 |
| 759 let lnum = prevnonblank(a:lnum) | |
| 760 while lnum > 0 | |
| 761 " Go in and out of blocks comments as necessary. | |
| 762 " If the line isn't empty (with opt. comment) or in a string, end search. | |
| 763 let line = getline(lnum) | |
| 4869 | 764 if line =~ '^=begin' |
| 530 | 765 if in_block |
| 4869 | 766 let in_block = 0 |
| 530 | 767 else |
| 4869 | 768 break |
| 530 | 769 endif |
| 4869 | 770 elseif !in_block && line =~ '^=end' |
| 530 | 771 let in_block = 1 |
| 772 elseif !in_block && line !~ '^\s*#.*$' && !(s:IsInStringOrComment(lnum, 1) | |
| 4869 | 773 \ && s:IsInStringOrComment(lnum, strlen(line))) |
| 530 | 774 break |
| 775 endif | |
| 776 let lnum = prevnonblank(lnum - 1) | |
| 777 endwhile | |
| 778 return lnum | |
| 779 endfunction | |
| 780 | |
| 781 " Find line above 'lnum' that started the continuation 'lnum' may be part of. | |
| 15512 | 782 function! s:GetMSL(lnum) abort |
| 530 | 783 " Start on the line we're at and use its indent. |
| 784 let msl = a:lnum | |
| 785 let lnum = s:PrevNonBlankNonString(a:lnum - 1) | |
| 786 while lnum > 0 | |
| 787 " If we have a continuation line, or we're in a string, use line as MSL. | |
| 788 " Otherwise, terminate search as we have found our MSL already. | |
| 789 let line = getline(lnum) | |
| 4869 | 790 |
|
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791 if !s:Match(msl, s:backslash_continuation_regex) && |
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|
792 \ s:Match(lnum, s:backslash_continuation_regex) |
|
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|
793 " If the current line doesn't end in a backslash, but the previous one |
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794 " does, look for that line's msl |
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795 " |
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|
796 " Example: |
|
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797 " foo = "bar" \ |
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798 " "baz" |
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799 " |
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|
800 let msl = lnum |
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801 elseif s:Match(msl, s:leading_operator_regex) |
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802 " If the current line starts with a leading operator, keep its indent |
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803 " and keep looking for an MSL. |
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804 let msl = lnum |
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805 elseif s:Match(lnum, s:splat_regex) |
| 4869 | 806 " If the above line looks like the "*" of a splat, use the current one's |
| 807 " indentation. | |
| 808 " | |
| 809 " Example: | |
| 810 " Hash[* | |
| 811 " method_call do | |
| 812 " something | |
| 813 " | |
| 814 return msl | |
|
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815 elseif s:Match(lnum, s:non_bracket_continuation_regex) && |
| 4869 | 816 \ s:Match(msl, s:non_bracket_continuation_regex) |
| 817 " If the current line is a non-bracket continuation and so is the | |
| 818 " previous one, keep its indent and continue looking for an MSL. | |
| 819 " | |
| 820 " Example: | |
| 821 " method_call one, | |
| 822 " two, | |
| 823 " three | |
| 824 " | |
| 530 | 825 let msl = lnum |
|
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826 elseif s:Match(lnum, s:dot_continuation_regex) && |
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827 \ (s:Match(msl, s:bracket_continuation_regex) || s:Match(msl, s:block_continuation_regex)) |
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828 " If the current line is a bracket continuation or a block-starter, but |
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829 " the previous is a dot, keep going to see if the previous line is the |
|
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830 " start of another continuation. |
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831 " |
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832 " Example: |
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833 " parent. |
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834 " method_call { |
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835 " three |
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836 " |
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|
837 let msl = lnum |
| 4869 | 838 elseif s:Match(lnum, s:non_bracket_continuation_regex) && |
| 839 \ (s:Match(msl, s:bracket_continuation_regex) || s:Match(msl, s:block_continuation_regex)) | |
| 840 " If the current line is a bracket continuation or a block-starter, but | |
| 841 " the previous is a non-bracket one, respect the previous' indentation, | |
| 842 " and stop here. | |
| 843 " | |
| 844 " Example: | |
| 845 " method_call one, | |
| 846 " two { | |
| 847 " three | |
| 848 " | |
| 849 return lnum | |
| 850 elseif s:Match(lnum, s:bracket_continuation_regex) && | |
| 851 \ (s:Match(msl, s:bracket_continuation_regex) || s:Match(msl, s:block_continuation_regex)) | |
| 852 " If both lines are bracket continuations (the current may also be a | |
| 853 " block-starter), use the current one's and stop here | |
| 854 " | |
| 855 " Example: | |
| 856 " method_call( | |
| 857 " other_method_call( | |
| 858 " foo | |
| 859 return msl | |
| 860 elseif s:Match(lnum, s:block_regex) && | |
| 861 \ !s:Match(msl, s:continuation_regex) && | |
| 862 \ !s:Match(msl, s:block_continuation_regex) | |
| 863 " If the previous line is a block-starter and the current one is | |
| 864 " mostly ordinary, use the current one as the MSL. | |
| 865 " | |
| 866 " Example: | |
| 867 " method_call do | |
| 868 " something | |
| 869 " something_else | |
| 870 return msl | |
| 530 | 871 else |
| 4869 | 872 let col = match(line, s:continuation_regex) + 1 |
| 873 if (col > 0 && !s:IsInStringOrComment(lnum, col)) | |
| 874 \ || s:IsInString(lnum, strlen(line)) | |
| 875 let msl = lnum | |
| 876 else | |
| 877 break | |
| 878 endif | |
| 530 | 879 endif |
| 4869 | 880 |
| 530 | 881 let lnum = s:PrevNonBlankNonString(lnum - 1) |
| 882 endwhile | |
| 883 return msl | |
| 884 endfunction | |
| 885 | |
| 886 " Check if line 'lnum' has more opening brackets than closing ones. | |
| 15512 | 887 function! s:ExtraBrackets(lnum) abort |
| 4869 | 888 let opening = {'parentheses': [], 'braces': [], 'brackets': []} |
| 889 let closing = {'parentheses': [], 'braces': [], 'brackets': []} | |
| 890 | |
| 530 | 891 let line = getline(a:lnum) |
| 4869 | 892 let pos = match(line, '[][(){}]', 0) |
| 893 | |
| 894 " Save any encountered opening brackets, and remove them once a matching | |
| 895 " closing one has been found. If a closing bracket shows up that doesn't | |
| 896 " close anything, save it for later. | |
| 530 | 897 while pos != -1 |
| 898 if !s:IsInStringOrComment(a:lnum, pos + 1) | |
| 4869 | 899 if line[pos] == '(' |
| 900 call add(opening.parentheses, {'type': '(', 'pos': pos}) | |
| 901 elseif line[pos] == ')' | |
| 902 if empty(opening.parentheses) | |
| 903 call add(closing.parentheses, {'type': ')', 'pos': pos}) | |
| 904 else | |
| 905 let opening.parentheses = opening.parentheses[0:-2] | |
| 906 endif | |
| 907 elseif line[pos] == '{' | |
| 908 call add(opening.braces, {'type': '{', 'pos': pos}) | |
| 909 elseif line[pos] == '}' | |
| 910 if empty(opening.braces) | |
| 911 call add(closing.braces, {'type': '}', 'pos': pos}) | |
| 912 else | |
| 913 let opening.braces = opening.braces[0:-2] | |
| 914 endif | |
| 915 elseif line[pos] == '[' | |
| 916 call add(opening.brackets, {'type': '[', 'pos': pos}) | |
| 917 elseif line[pos] == ']' | |
| 918 if empty(opening.brackets) | |
| 919 call add(closing.brackets, {'type': ']', 'pos': pos}) | |
| 920 else | |
| 921 let opening.brackets = opening.brackets[0:-2] | |
| 922 endif | |
| 530 | 923 endif |
| 924 endif | |
| 4869 | 925 |
| 530 | 926 let pos = match(line, '[][(){}]', pos + 1) |
| 927 endwhile | |
| 4869 | 928 |
| 929 " Find the rightmost brackets, since they're the ones that are important in | |
| 930 " both opening and closing cases | |
| 931 let rightmost_opening = {'type': '(', 'pos': -1} | |
| 932 let rightmost_closing = {'type': ')', 'pos': -1} | |
| 933 | |
| 934 for opening in opening.parentheses + opening.braces + opening.brackets | |
| 935 if opening.pos > rightmost_opening.pos | |
| 936 let rightmost_opening = opening | |
| 937 endif | |
| 938 endfor | |
| 939 | |
| 940 for closing in closing.parentheses + closing.braces + closing.brackets | |
| 941 if closing.pos > rightmost_closing.pos | |
| 942 let rightmost_closing = closing | |
| 943 endif | |
| 944 endfor | |
| 945 | |
| 946 return [rightmost_opening, rightmost_closing] | |
| 530 | 947 endfunction |
| 948 | |
| 15512 | 949 function! s:Match(lnum, regex) abort |
|
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950 let line = getline(a:lnum) |
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951 let offset = match(line, '\C'.a:regex) |
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952 let col = offset + 1 |
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953 |
|
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954 while offset > -1 && s:IsInStringOrComment(a:lnum, col) |
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955 let offset = match(line, '\C'.a:regex, offset + 1) |
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956 let col = offset + 1 |
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957 endwhile |
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958 |
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959 if offset > -1 |
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960 return col |
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961 else |
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962 return 0 |
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963 endif |
| 530 | 964 endfunction |
| 965 | |
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966 " Locates the containing class/module's definition line, ignoring nested classes |
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967 " along the way. |
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968 " |
| 15512 | 969 function! s:FindContainingClass() abort |
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970 let saved_position = getpos('.') |
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971 |
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972 while searchpair(s:end_start_regex, s:end_middle_regex, s:end_end_regex, 'bW', |
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973 \ s:end_skip_expr) > 0 |
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974 if expand('<cword>') =~# '\<class\|module\>' |
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975 let found_lnum = line('.') |
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976 call setpos('.', saved_position) |
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977 return found_lnum |
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commit https://github.com/vim/vim/commit/89bcfda6834aba724d12554a34b9ed49f5789fd5
Christian Brabandt <cb@256bit.org>
parents:
4869
diff
changeset
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978 endif |
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10272
57b2b8268d3a
commit https://github.com/vim/vim/commit/4575876dc865d4160f20d61bd822fbe7cafbec41
Christian Brabandt <cb@256bit.org>
parents:
10048
diff
changeset
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979 endwhile |
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10048
43efa4f5a8ea
commit https://github.com/vim/vim/commit/89bcfda6834aba724d12554a34b9ed49f5789fd5
Christian Brabandt <cb@256bit.org>
parents:
4869
diff
changeset
|
980 |
|
43efa4f5a8ea
commit https://github.com/vim/vim/commit/89bcfda6834aba724d12554a34b9ed49f5789fd5
Christian Brabandt <cb@256bit.org>
parents:
4869
diff
changeset
|
981 call setpos('.', saved_position) |
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43efa4f5a8ea
commit https://github.com/vim/vim/commit/89bcfda6834aba724d12554a34b9ed49f5789fd5
Christian Brabandt <cb@256bit.org>
parents:
4869
diff
changeset
|
982 return 0 |
| 530 | 983 endfunction |
| 984 | |
| 985 " }}}1 | |
| 986 | |
| 987 let &cpo = s:cpo_save | |
| 988 unlet s:cpo_save | |
| 1121 | 989 |
| 4869 | 990 " vim:set sw=2 sts=2 ts=8 et: |