Mercurial > vim
annotate runtime/indent/sh.vim @ 18486:9d887cad7315
Added tag v8.1.2237 for changeset 63ee3c2b140fe1b4801389872a8e47aec19d028b
| author | Bram Moolenaar <Bram@vim.org> |
|---|---|
| date | Thu, 31 Oct 2019 20:00:04 +0100 |
| parents | 6d11fc4aa683 |
| children | f0d7cb510ce3 |
| rev | line source |
|---|---|
| 7 | 1 " Vim indent file |
| 7013 | 2 " Language: Shell Script |
| 3 " Maintainer: Christian Brabandt <cb@256bit.org> | |
| 13937 | 4 " Original Author: Nikolai Weibull <now@bitwi.se> |
| 6918 | 5 " Previous Maintainer: Peter Aronoff <telemachus@arpinum.org> |
| 18456 | 6 " Latest Revision: 2019-10-24 |
| 7013 | 7 " License: Vim (see :h license) |
| 8 " Repository: https://github.com/chrisbra/vim-sh-indent | |
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9 " Changelog: |
| 17571 | 10 " 20190726 - Correctly skip if keywords in syntax comments |
| 11 " (issue #17) | |
| 12 " 20190603 - Do not indent in zsh filetypes with an `if` in comments | |
| 16610 | 13 " 20190428 - De-indent fi correctly when typing with |
| 14 " https://github.com/chrisbra/vim-sh-indent/issues/15 | |
| 16267 | 15 " 20190325 - Indent fi; correctly |
| 16 " https://github.com/chrisbra/vim-sh-indent/issues/14 | |
| 17 " 20190319 - Indent arrays (only zsh and bash) | |
| 18 " https://github.com/chrisbra/vim-sh-indent/issues/13 | |
| 19 " 20190316 - Make use of searchpairpos for nested if sections | |
| 20 " fixes https://github.com/chrisbra/vim-sh-indent/issues/11 | |
| 21 " 20190201 - Better check for closing if sections | |
| 14421 | 22 " 20180724 - make check for zsh syntax more rigid (needs word-boundaries) |
| 13937 | 23 " 20180326 - better support for line continuation |
| 24 " 20180325 - better detection of function definitions | |
| 25 " 20180127 - better support for zsh complex commands | |
| 12045 | 26 " 20170808: - better indent of line continuation |
| 11442 | 27 " 20170502: - get rid of buffer-shiftwidth function |
| 28 " 20160912: - preserve indentation of here-doc blocks | |
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commit https://github.com/vim/vim/commit/e18dbe865d190e74fb5d43ac8bc6ac22507d0223
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29 " 20160627: - detect heredocs correctly |
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619a98a67f67
commit https://github.com/vim/vim/commit/e18dbe865d190e74fb5d43ac8bc6ac22507d0223
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parents:
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30 " 20160213: - detect function definition correctly |
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619a98a67f67
commit https://github.com/vim/vim/commit/e18dbe865d190e74fb5d43ac8bc6ac22507d0223
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parents:
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31 " 20160202: - use shiftwidth() function |
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commit https://github.com/vim/vim/commit/e18dbe865d190e74fb5d43ac8bc6ac22507d0223
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32 " 20151215: - set b:undo_indent variable |
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commit https://github.com/vim/vim/commit/e18dbe865d190e74fb5d43ac8bc6ac22507d0223
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33 " 20150728: - add foreach detection for zsh |
| 7 | 34 |
| 35 if exists("b:did_indent") | |
| 36 finish | |
| 37 endif | |
| 38 let b:did_indent = 1 | |
| 39 | |
| 40 setlocal indentexpr=GetShIndent() | |
| 7013 | 41 setlocal indentkeys+=0=then,0=do,0=else,0=elif,0=fi,0=esac,0=done,0=end,),0=;;,0=;& |
| 2034 | 42 setlocal indentkeys+=0=fin,0=fil,0=fip,0=fir,0=fix |
| 7 | 43 setlocal indentkeys-=:,0# |
| 2034 | 44 setlocal nosmartindent |
| 7 | 45 |
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46 let b:undo_indent = 'setlocal indentexpr< indentkeys< smartindent<' |
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commit https://github.com/vim/vim/commit/f391327adbbffb11180cf6038a92af1ed144e907
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47 |
| 7 | 48 if exists("*GetShIndent") |
| 49 finish | |
| 50 endif | |
| 51 | |
| 375 | 52 let s:cpo_save = &cpo |
| 53 set cpo&vim | |
| 7 | 54 |
| 2034 | 55 let s:sh_indent_defaults = { |
| 11442 | 56 \ 'default': function('shiftwidth'), |
| 57 \ 'continuation-line': function('shiftwidth'), | |
| 58 \ 'case-labels': function('shiftwidth'), | |
| 59 \ 'case-statements': function('shiftwidth'), | |
| 2034 | 60 \ 'case-breaks': 0 } |
| 61 | |
| 62 function! s:indent_value(option) | |
| 63 let Value = exists('b:sh_indent_options') | |
| 64 \ && has_key(b:sh_indent_options, a:option) ? | |
| 65 \ b:sh_indent_options[a:option] : | |
| 66 \ s:sh_indent_defaults[a:option] | |
| 67 if type(Value) == type(function('type')) | |
| 68 return Value() | |
| 69 endif | |
| 70 return Value | |
| 71 endfunction | |
| 72 | |
| 73 function! GetShIndent() | |
| 16267 | 74 let curline = getline(v:lnum) |
| 7 | 75 let lnum = prevnonblank(v:lnum - 1) |
| 76 if lnum == 0 | |
| 77 return 0 | |
| 78 endif | |
| 13912 | 79 let line = getline(lnum) |
| 7 | 80 |
| 2034 | 81 let pnum = prevnonblank(lnum - 1) |
| 13912 | 82 let pline = getline(pnum) |
| 7 | 83 let ind = indent(lnum) |
| 13912 | 84 |
| 85 " Check contents of previous lines | |
| 17571 | 86 " should not apply to e.g. commented lines |
| 13912 | 87 if line =~ '^\s*\%(if\|then\|do\|else\|elif\|case\|while\|until\|for\|select\|foreach\)\>' || |
| 17571 | 88 \ (&ft is# 'zsh' && line =~ '^\s*\<\%(if\|then\|do\|else\|elif\|case\|while\|until\|for\|select\|foreach\)\>') |
| 16267 | 89 if !s:is_end_expression(line) |
| 2034 | 90 let ind += s:indent_value('default') |
| 91 endif | |
| 92 elseif s:is_case_label(line, pnum) | |
| 93 if !s:is_case_ended(line) | |
| 94 let ind += s:indent_value('case-statements') | |
| 7 | 95 endif |
| 13912 | 96 " function definition |
| 97 elseif s:is_function_definition(line) | |
| 2034 | 98 if line !~ '}\s*\%(#.*\)\=$' |
| 99 let ind += s:indent_value('default') | |
| 100 endif | |
| 16267 | 101 " array (only works for zsh or bash) |
| 102 elseif s:is_array(line) && line !~ ')\s*$' && (&ft is# 'zsh' || s:is_bash()) | |
| 103 let ind += s:indent_value('continuation-line') | |
| 104 " end of array | |
| 105 elseif curline =~ '^\s*)$' | |
| 106 let ind -= s:indent_value('continuation-line') | |
| 2034 | 107 elseif s:is_continuation_line(line) |
| 13912 | 108 if pnum == 0 || !s:is_continuation_line(pline) |
| 2034 | 109 let ind += s:indent_value('continuation-line') |
| 110 endif | |
| 13912 | 111 elseif s:end_block(line) && !s:start_block(line) |
| 112 let ind -= s:indent_value('default') | |
| 16267 | 113 elseif pnum != 0 && |
| 114 \ s:is_continuation_line(pline) && | |
| 115 \ !s:end_block(curline) && | |
| 116 \ !s:is_end_expression(curline) | |
| 13912 | 117 " only add indent, if line and pline is in the same block |
| 118 let i = v:lnum | |
| 119 let ind2 = indent(s:find_continued_lnum(pnum)) | |
| 120 while !s:is_empty(getline(i)) && i > pnum | |
| 121 let i -= 1 | |
| 122 endw | |
| 123 if i == pnum | |
| 124 let ind += ind2 | |
| 125 else | |
| 126 let ind = ind2 | |
| 127 endif | |
| 7 | 128 endif |
| 129 | |
| 2034 | 130 let pine = line |
| 13912 | 131 " Check content of current line |
| 16267 | 132 let line = curline |
| 133 " Current line is a endif line, so get indent from start of "if condition" line | |
| 134 " TODO: should we do the same for other "end" lines? | |
| 135 if curline =~ '^\s*\%(fi\);\?\s*\%(#.*\)\=$' | |
| 17571 | 136 let ind = indent(v:lnum) |
| 18456 | 137 let previous_line = searchpair('\<if\>', '', '\<fi\>\zs', 'bnW', 'synIDattr(synID(line("."),col("."), 1),"name") =~? "comment\\|quote"') |
| 16267 | 138 if previous_line > 0 |
| 139 let ind = indent(previous_line) | |
| 140 endif | |
| 141 elseif line =~ '^\s*\%(then\|do\|else\|elif\|done\|end\)\>' || s:end_block(line) | |
| 2034 | 142 let ind -= s:indent_value('default') |
| 5555 | 143 elseif line =~ '^\s*esac\>' && s:is_case_empty(getline(v:lnum - 1)) |
| 144 let ind -= s:indent_value('default') | |
| 2034 | 145 elseif line =~ '^\s*esac\>' |
| 146 let ind -= (s:is_case_label(pine, lnum) && s:is_case_ended(pine) ? | |
| 147 \ 0 : s:indent_value('case-statements')) + | |
| 148 \ s:indent_value('case-labels') | |
| 149 if s:is_case_break(pine) | |
| 150 let ind += s:indent_value('case-breaks') | |
| 151 endif | |
| 152 elseif s:is_case_label(line, lnum) | |
| 153 if s:is_case(pine) | |
| 154 let ind = indent(lnum) + s:indent_value('case-labels') | |
| 155 else | |
| 6153 | 156 let ind -= (s:is_case_label(pine, lnum) && s:is_case_ended(pine) ? |
| 157 \ 0 : s:indent_value('case-statements')) - | |
| 158 \ s:indent_value('case-breaks') | |
| 2034 | 159 endif |
| 160 elseif s:is_case_break(line) | |
| 161 let ind -= s:indent_value('case-breaks') | |
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commit https://github.com/vim/vim/commit/e18dbe865d190e74fb5d43ac8bc6ac22507d0223
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162 elseif s:is_here_doc(line) |
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commit https://github.com/vim/vim/commit/e18dbe865d190e74fb5d43ac8bc6ac22507d0223
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163 let ind = 0 |
| 11442 | 164 " statements, executed within a here document. Keep the current indent |
| 165 elseif match(map(synstack(v:lnum, 1), 'synIDattr(v:val, "name")'), '\c\mheredoc') > -1 | |
| 166 return indent(v:lnum) | |
| 13912 | 167 elseif s:is_comment(line) && s:is_empty(getline(v:lnum-1)) |
| 168 return indent(v:lnum) | |
| 7 | 169 endif |
| 170 | |
| 13912 | 171 return ind > 0 ? ind : 0 |
| 7 | 172 endfunction |
| 173 | |
| 2034 | 174 function! s:is_continuation_line(line) |
| 13912 | 175 " Comment, cannot be a line continuation |
| 176 if a:line =~ '^\s*#' | |
| 177 return 0 | |
| 178 else | |
| 179 " start-of-line | |
| 180 " \\ or && or || or | | |
| 181 " followed optionally by { or # | |
| 182 return a:line =~ '\%(\%(^\|[^\\]\)\\\|&&\|||\||\)' . | |
| 12045 | 183 \ '\s*\({\s*\)\=\(#.*\)\=$' |
| 13912 | 184 endif |
| 2034 | 185 endfunction |
| 186 | |
| 187 function! s:find_continued_lnum(lnum) | |
| 188 let i = a:lnum | |
| 189 while i > 1 && s:is_continuation_line(getline(i - 1)) | |
| 190 let i -= 1 | |
| 191 endwhile | |
| 192 return i | |
| 193 endfunction | |
| 194 | |
| 13912 | 195 function! s:is_function_definition(line) |
| 196 return a:line =~ '^\s*\<\k\+\>\s*()\s*{' || | |
| 197 \ a:line =~ '^\s*{' || | |
| 18456 | 198 \ a:line =~ '^\s*function\s*\k\+\s*\%(()\)\?\s*{' |
| 13912 | 199 endfunction |
| 200 | |
| 16267 | 201 function! s:is_array(line) |
| 202 return a:line =~ '^\s*\<\k\+\>=(' | |
| 203 endfunction | |
| 204 | |
| 2034 | 205 function! s:is_case_label(line, pnum) |
| 206 if a:line !~ '^\s*(\=.*)' | |
| 207 return 0 | |
| 208 endif | |
| 209 | |
| 210 if a:pnum > 0 | |
| 211 let pine = getline(a:pnum) | |
| 212 if !(s:is_case(pine) || s:is_case_ended(pine)) | |
| 213 return 0 | |
| 214 endif | |
| 215 endif | |
| 216 | |
| 217 let suffix = substitute(a:line, '^\s*(\=', "", "") | |
| 218 let nesting = 0 | |
| 219 let i = 0 | |
| 220 let n = strlen(suffix) | |
| 221 while i < n | |
| 222 let c = suffix[i] | |
| 223 let i += 1 | |
| 224 if c == '\\' | |
| 225 let i += 1 | |
| 226 elseif c == '(' | |
| 227 let nesting += 1 | |
| 228 elseif c == ')' | |
| 229 if nesting == 0 | |
| 230 return 1 | |
| 231 endif | |
| 232 let nesting -= 1 | |
| 233 endif | |
| 234 endwhile | |
| 235 return 0 | |
| 236 endfunction | |
| 237 | |
| 238 function! s:is_case(line) | |
| 239 return a:line =~ '^\s*case\>' | |
| 240 endfunction | |
| 241 | |
| 242 function! s:is_case_break(line) | |
| 243 return a:line =~ '^\s*;[;&]' | |
| 244 endfunction | |
| 245 | |
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246 function! s:is_here_doc(line) |
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247 if a:line =~ '^\w\+$' |
| 16267 | 248 let here_pat = '<<-\?'. s:escape(a:line). '\$' |
| 249 return search(here_pat, 'bnW') > 0 | |
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250 endif |
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251 return 0 |
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commit https://github.com/vim/vim/commit/e18dbe865d190e74fb5d43ac8bc6ac22507d0223
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252 endfunction |
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619a98a67f67
commit https://github.com/vim/vim/commit/e18dbe865d190e74fb5d43ac8bc6ac22507d0223
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parents:
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253 |
| 2034 | 254 function! s:is_case_ended(line) |
| 255 return s:is_case_break(a:line) || a:line =~ ';[;&]\s*\%(#.*\)\=$' | |
| 256 endfunction | |
| 257 | |
| 5555 | 258 function! s:is_case_empty(line) |
| 259 if a:line =~ '^\s*$' || a:line =~ '^\s*#' | |
| 260 return s:is_case_empty(getline(v:lnum - 1)) | |
| 261 else | |
| 262 return a:line =~ '^\s*case\>' | |
| 263 endif | |
| 264 endfunction | |
| 265 | |
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commit https://github.com/vim/vim/commit/e18dbe865d190e74fb5d43ac8bc6ac22507d0223
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266 function! s:escape(pattern) |
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commit https://github.com/vim/vim/commit/e18dbe865d190e74fb5d43ac8bc6ac22507d0223
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267 return '\V'. escape(a:pattern, '\\') |
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619a98a67f67
commit https://github.com/vim/vim/commit/e18dbe865d190e74fb5d43ac8bc6ac22507d0223
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268 endfunction |
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619a98a67f67
commit https://github.com/vim/vim/commit/e18dbe865d190e74fb5d43ac8bc6ac22507d0223
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parents:
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diff
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269 |
| 13912 | 270 function! s:is_empty(line) |
| 271 return a:line =~ '^\s*$' | |
| 272 endfunction | |
| 273 | |
| 274 function! s:end_block(line) | |
| 275 return a:line =~ '^\s*}' | |
| 276 endfunction | |
| 277 | |
| 278 function! s:start_block(line) | |
| 279 return a:line =~ '{\s*\(#.*\)\?$' | |
| 280 endfunction | |
| 281 | |
| 282 function! s:find_start_block(lnum) | |
| 283 let i = a:lnum | |
| 284 while i > 1 && !s:start_block(getline(i)) | |
| 285 let i -= 1 | |
| 286 endwhile | |
| 287 return i | |
| 288 endfunction | |
| 289 | |
| 290 function! s:is_comment(line) | |
| 291 return a:line =~ '^\s*#' | |
| 292 endfunction | |
| 293 | |
| 16267 | 294 function! s:is_end_expression(line) |
| 295 return a:line =~ '\<\%(fi\|esac\|done\|end\)\>\s*\%(#.*\)\=$' | |
| 296 endfunction | |
| 297 | |
| 298 function! s:is_bash() | |
| 299 return get(g:, 'is_bash', 0) || get(b:, 'is_bash', 0) | |
| 300 endfunction | |
| 301 | |
| 375 | 302 let &cpo = s:cpo_save |
| 303 unlet s:cpo_save |