Mercurial > vim
annotate runtime/indent/ruby.vim @ 10272:57b2b8268d3a
commit https://github.com/vim/vim/commit/4575876dc865d4160f20d61bd822fbe7cafbec41
Author: Bram Moolenaar <Bram@vim.org>
Date: Wed Oct 12 23:08:06 2016 +0200
Updated runtime files.
| author | Christian Brabandt <cb@256bit.org> |
|---|---|
| date | Wed, 12 Oct 2016 23:15:04 +0200 |
| parents | 43efa4f5a8ea |
| children | 63b0b7b79b25 |
| rev | line source |
|---|---|
| 7 | 1 " Vim indent file |
| 843 | 2 " Language: Ruby |
| 3 " Maintainer: Nikolai Weibull <now at bitwi.se> | |
| 4869 | 4 " URL: https://github.com/vim-ruby/vim-ruby |
| 843 | 5 " Release Coordinator: Doug Kearns <dougkearns@gmail.com> |
| 530 | 6 |
| 7 " 0. Initialization {{{1 | |
| 8 " ================= | |
| 7 | 9 |
| 10 " Only load this indent file when no other was loaded. | |
| 11 if exists("b:did_indent") | |
| 12 finish | |
| 13 endif | |
| 14 let b:did_indent = 1 | |
| 15 | |
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16 if !exists('g:ruby_indent_access_modifier_style') |
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17 " Possible values: "normal", "indent", "outdent" |
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18 let g:ruby_indent_access_modifier_style = 'normal' |
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commit https://github.com/vim/vim/commit/89bcfda6834aba724d12554a34b9ed49f5789fd5
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19 endif |
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commit https://github.com/vim/vim/commit/89bcfda6834aba724d12554a34b9ed49f5789fd5
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20 |
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commit https://github.com/vim/vim/commit/89bcfda6834aba724d12554a34b9ed49f5789fd5
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21 if !exists('g:ruby_indent_block_style') |
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22 " Possible values: "expression", "do" |
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commit https://github.com/vim/vim/commit/89bcfda6834aba724d12554a34b9ed49f5789fd5
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23 let g:ruby_indent_block_style = 'expression' |
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commit https://github.com/vim/vim/commit/89bcfda6834aba724d12554a34b9ed49f5789fd5
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24 endif |
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commit https://github.com/vim/vim/commit/89bcfda6834aba724d12554a34b9ed49f5789fd5
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25 |
| 843 | 26 setlocal nosmartindent |
| 27 | |
| 530 | 28 " Now, set up our indentation expression and keys that trigger it. |
| 4869 | 29 setlocal indentexpr=GetRubyIndent(v:lnum) |
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30 setlocal indentkeys=0{,0},0),0],!^F,o,O,e,:,. |
| 4869 | 31 setlocal indentkeys+==end,=else,=elsif,=when,=ensure,=rescue,==begin,==end |
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32 setlocal indentkeys+==private,=protected,=public |
| 7 | 33 |
| 34 " Only define the function once. | |
| 35 if exists("*GetRubyIndent") | |
| 36 finish | |
| 37 endif | |
| 38 | |
| 530 | 39 let s:cpo_save = &cpo |
| 40 set cpo&vim | |
| 41 | |
| 42 " 1. Variables {{{1 | |
| 43 " ============ | |
| 44 | |
| 4869 | 45 " Regex of syntax group names that are or delimit strings/symbols or are comments. |
| 46 let s:syng_strcom = '\<ruby\%(Regexp\|RegexpDelimiter\|RegexpEscape' . | |
| 47 \ '\|Symbol\|String\|StringDelimiter\|StringEscape\|ASCIICode' . | |
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48 \ '\|Interpolation\|InterpolationDelimiter\|NoInterpolation\|Comment\|Documentation\)\>' |
| 530 | 49 |
| 50 " Regex of syntax group names that are strings. | |
| 51 let s:syng_string = | |
| 1668 | 52 \ '\<ruby\%(String\|Interpolation\|NoInterpolation\|StringEscape\)\>' |
| 530 | 53 |
| 54 " Regex of syntax group names that are strings or documentation. | |
| 55 let s:syng_stringdoc = | |
| 4869 | 56 \'\<ruby\%(String\|Interpolation\|NoInterpolation\|StringEscape\|Documentation\)\>' |
| 530 | 57 |
| 58 " Expression used to check whether we should skip a match with searchpair(). | |
| 59 let s:skip_expr = | |
| 1668 | 60 \ "synIDattr(synID(line('.'),col('.'),1),'name') =~ '".s:syng_strcom."'" |
| 530 | 61 |
| 62 " Regex used for words that, at the start of a line, add a level of indent. | |
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63 let s:ruby_indent_keywords = |
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commit https://github.com/vim/vim/commit/89bcfda6834aba724d12554a34b9ed49f5789fd5
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64 \ '^\s*\zs\<\%(module\|class\|if\|for' . |
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commit https://github.com/vim/vim/commit/89bcfda6834aba724d12554a34b9ed49f5789fd5
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65 \ '\|while\|until\|else\|elsif\|case\|when\|unless\|begin\|ensure\|rescue' . |
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commit https://github.com/vim/vim/commit/89bcfda6834aba724d12554a34b9ed49f5789fd5
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66 \ '\|\%(public\|protected\|private\)\=\s*def\):\@!\>' . |
| 4869 | 67 \ '\|\%([=,*/%+-]\|<<\|>>\|:\s\)\s*\zs' . |
| 68 \ '\<\%(if\|for\|while\|until\|case\|unless\|begin\):\@!\>' | |
| 530 | 69 |
| 70 " Regex used for words that, at the start of a line, remove a level of indent. | |
| 71 let s:ruby_deindent_keywords = | |
| 4869 | 72 \ '^\s*\zs\<\%(ensure\|else\|rescue\|elsif\|when\|end\):\@!\>' |
| 530 | 73 |
| 74 " Regex that defines the start-match for the 'end' keyword. | |
| 75 "let s:end_start_regex = '\%(^\|[^.]\)\<\%(module\|class\|def\|if\|for\|while\|until\|case\|unless\|begin\|do\)\>' | |
| 76 " TODO: the do here should be restricted somewhat (only at end of line)? | |
| 4869 | 77 let s:end_start_regex = |
| 78 \ '\C\%(^\s*\|[=,*/%+\-|;{]\|<<\|>>\|:\s\)\s*\zs' . | |
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commit https://github.com/vim/vim/commit/89bcfda6834aba724d12554a34b9ed49f5789fd5
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79 \ '\<\%(module\|class\|if\|for\|while\|until\|case\|unless\|begin' . |
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commit https://github.com/vim/vim/commit/89bcfda6834aba724d12554a34b9ed49f5789fd5
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80 \ '\|\%(public\|protected\|private\)\=\s*def\):\@!\>' . |
| 4869 | 81 \ '\|\%(^\|[^.:@$]\)\@<=\<do:\@!\>' |
| 530 | 82 |
| 83 " Regex that defines the middle-match for the 'end' keyword. | |
| 4869 | 84 let s:end_middle_regex = '\<\%(ensure\|else\|\%(\%(^\|;\)\s*\)\@<=\<rescue:\@!\>\|when\|elsif\):\@!\>' |
| 530 | 85 |
| 86 " Regex that defines the end-match for the 'end' keyword. | |
| 4869 | 87 let s:end_end_regex = '\%(^\|[^.:@$]\)\@<=\<end:\@!\>' |
| 530 | 88 |
| 89 " Expression used for searchpair() call for finding match for 'end' keyword. | |
| 90 let s:end_skip_expr = s:skip_expr . | |
| 91 \ ' || (expand("<cword>") == "do"' . | |
| 4869 | 92 \ ' && getline(".") =~ "^\\s*\\<\\(while\\|until\\|for\\):\\@!\\>")' |
| 530 | 93 |
| 94 " Regex that defines continuation lines, not including (, {, or [. | |
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commit https://github.com/vim/vim/commit/4575876dc865d4160f20d61bd822fbe7cafbec41
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95 let s:non_bracket_continuation_regex = |
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commit https://github.com/vim/vim/commit/4575876dc865d4160f20d61bd822fbe7cafbec41
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96 \ '\%([\\.,:*/%+]\|\<and\|\<or\|\%(<%\)\@<![=-]\|:\@<![^[:alnum:]:][|&?]\|||\|&&\)\s*\%(#.*\)\=$' |
| 530 | 97 |
| 98 " Regex that defines continuation lines. | |
| 4869 | 99 let s:continuation_regex = |
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commit https://github.com/vim/vim/commit/4575876dc865d4160f20d61bd822fbe7cafbec41
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100 \ '\%(%\@<![({[\\.,:*/%+]\|\<and\|\<or\|\%(<%\)\@<![=-]\|:\@<![^[:alnum:]:][|&?]\|||\|&&\)\s*\%(#.*\)\=$' |
| 4869 | 101 |
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102 " Regex that defines continuable keywords |
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103 let s:continuable_regex = |
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104 \ '\C\%(^\s*\|[=,*/%+\-|;{]\|<<\|>>\|:\s\)\s*\zs' . |
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commit https://github.com/vim/vim/commit/89bcfda6834aba724d12554a34b9ed49f5789fd5
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105 \ '\<\%(if\|for\|while\|until\|unless\):\@!\>' |
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106 |
| 4869 | 107 " Regex that defines bracket continuations |
| 108 let s:bracket_continuation_regex = '%\@<!\%([({[]\)\s*\%(#.*\)\=$' | |
| 109 | |
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110 " Regex that defines dot continuations |
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111 let s:dot_continuation_regex = '%\@<!\.\s*\%(#.*\)\=$' |
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112 |
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113 " Regex that defines backslash continuations |
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114 let s:backslash_continuation_regex = '%\@<!\\\s*$' |
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115 |
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116 " Regex that defines end of bracket continuation followed by another continuation |
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117 let s:bracket_switch_continuation_regex = '^\([^(]\+\zs).\+\)\+'.s:continuation_regex |
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118 |
| 4869 | 119 " Regex that defines the first part of a splat pattern |
| 120 let s:splat_regex = '[[,(]\s*\*\s*\%(#.*\)\=$' | |
| 530 | 121 |
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122 " Regex that describes all indent access modifiers |
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123 let s:access_modifier_regex = '\C^\s*\%(public\|protected\|private\)\s*\%(#.*\)\=$' |
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124 |
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125 " Regex that describes the indent access modifiers (excludes public) |
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126 let s:indent_access_modifier_regex = '\C^\s*\%(protected\|private\)\s*\%(#.*\)\=$' |
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127 |
| 530 | 128 " Regex that defines blocks. |
| 4869 | 129 " |
| 130 " Note that there's a slight problem with this regex and s:continuation_regex. | |
| 131 " Code like this will be matched by both: | |
| 132 " | |
| 133 " method_call do |(a, b)| | |
| 134 " | |
| 135 " The reason is that the pipe matches a hanging "|" operator. | |
| 136 " | |
| 530 | 137 let s:block_regex = |
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138 \ '\%(\<do:\@!\>\|%\@<!{\)\s*\%(|[^|]*|\)\=\s*\%(#.*\)\=$' |
| 4869 | 139 |
| 140 let s:block_continuation_regex = '^\s*[^])}\t ].*'.s:block_regex | |
| 530 | 141 |
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142 " Regex that describes a leading operator (only a method call's dot for now) |
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143 let s:leading_operator_regex = '^\s*[.]' |
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144 |
| 530 | 145 " 2. Auxiliary Functions {{{1 |
| 146 " ====================== | |
| 147 | |
| 148 " Check if the character at lnum:col is inside a string, comment, or is ascii. | |
| 149 function s:IsInStringOrComment(lnum, col) | |
| 1668 | 150 return synIDattr(synID(a:lnum, a:col, 1), 'name') =~ s:syng_strcom |
| 530 | 151 endfunction |
| 152 | |
| 153 " Check if the character at lnum:col is inside a string. | |
| 154 function s:IsInString(lnum, col) | |
| 1668 | 155 return synIDattr(synID(a:lnum, a:col, 1), 'name') =~ s:syng_string |
| 530 | 156 endfunction |
| 157 | |
| 158 " Check if the character at lnum:col is inside a string or documentation. | |
| 159 function s:IsInStringOrDocumentation(lnum, col) | |
| 1668 | 160 return synIDattr(synID(a:lnum, a:col, 1), 'name') =~ s:syng_stringdoc |
| 530 | 161 endfunction |
| 162 | |
| 4869 | 163 " Check if the character at lnum:col is inside a string delimiter |
| 164 function s:IsInStringDelimiter(lnum, col) | |
| 165 return synIDattr(synID(a:lnum, a:col, 1), 'name') == 'rubyStringDelimiter' | |
| 166 endfunction | |
| 167 | |
| 530 | 168 " Find line above 'lnum' that isn't empty, in a comment, or in a string. |
| 169 function s:PrevNonBlankNonString(lnum) | |
| 170 let in_block = 0 | |
| 171 let lnum = prevnonblank(a:lnum) | |
| 172 while lnum > 0 | |
| 173 " Go in and out of blocks comments as necessary. | |
| 174 " If the line isn't empty (with opt. comment) or in a string, end search. | |
| 175 let line = getline(lnum) | |
| 4869 | 176 if line =~ '^=begin' |
| 530 | 177 if in_block |
| 4869 | 178 let in_block = 0 |
| 530 | 179 else |
| 4869 | 180 break |
| 530 | 181 endif |
| 4869 | 182 elseif !in_block && line =~ '^=end' |
| 530 | 183 let in_block = 1 |
| 184 elseif !in_block && line !~ '^\s*#.*$' && !(s:IsInStringOrComment(lnum, 1) | |
| 4869 | 185 \ && s:IsInStringOrComment(lnum, strlen(line))) |
| 530 | 186 break |
| 187 endif | |
| 188 let lnum = prevnonblank(lnum - 1) | |
| 189 endwhile | |
| 190 return lnum | |
| 191 endfunction | |
| 192 | |
| 193 " Find line above 'lnum' that started the continuation 'lnum' may be part of. | |
| 194 function s:GetMSL(lnum) | |
| 195 " Start on the line we're at and use its indent. | |
| 196 let msl = a:lnum | |
| 4869 | 197 let msl_body = getline(msl) |
| 530 | 198 let lnum = s:PrevNonBlankNonString(a:lnum - 1) |
| 199 while lnum > 0 | |
| 200 " If we have a continuation line, or we're in a string, use line as MSL. | |
| 201 " Otherwise, terminate search as we have found our MSL already. | |
| 202 let line = getline(lnum) | |
| 4869 | 203 |
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204 if !s:Match(msl, s:backslash_continuation_regex) && |
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205 \ s:Match(lnum, s:backslash_continuation_regex) |
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206 " If the current line doesn't end in a backslash, but the previous one |
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207 " does, look for that line's msl |
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208 " |
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209 " Example: |
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210 " foo = "bar" \ |
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211 " "baz" |
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212 " |
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213 let msl = lnum |
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214 elseif s:Match(msl, s:leading_operator_regex) |
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215 " If the current line starts with a leading operator, keep its indent |
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216 " and keep looking for an MSL. |
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217 let msl = lnum |
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218 elseif s:Match(lnum, s:splat_regex) |
| 4869 | 219 " If the above line looks like the "*" of a splat, use the current one's |
| 220 " indentation. | |
| 221 " | |
| 222 " Example: | |
| 223 " Hash[* | |
| 224 " method_call do | |
| 225 " something | |
| 226 " | |
| 227 return msl | |
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228 elseif s:Match(lnum, s:non_bracket_continuation_regex) && |
| 4869 | 229 \ s:Match(msl, s:non_bracket_continuation_regex) |
| 230 " If the current line is a non-bracket continuation and so is the | |
| 231 " previous one, keep its indent and continue looking for an MSL. | |
| 232 " | |
| 233 " Example: | |
| 234 " method_call one, | |
| 235 " two, | |
| 236 " three | |
| 237 " | |
| 530 | 238 let msl = lnum |
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239 elseif s:Match(lnum, s:dot_continuation_regex) && |
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240 \ (s:Match(msl, s:bracket_continuation_regex) || s:Match(msl, s:block_continuation_regex)) |
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241 " If the current line is a bracket continuation or a block-starter, but |
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242 " the previous is a dot, keep going to see if the previous line is the |
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243 " start of another continuation. |
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244 " |
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245 " Example: |
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246 " parent. |
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247 " method_call { |
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248 " three |
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249 " |
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250 let msl = lnum |
| 4869 | 251 elseif s:Match(lnum, s:non_bracket_continuation_regex) && |
| 252 \ (s:Match(msl, s:bracket_continuation_regex) || s:Match(msl, s:block_continuation_regex)) | |
| 253 " If the current line is a bracket continuation or a block-starter, but | |
| 254 " the previous is a non-bracket one, respect the previous' indentation, | |
| 255 " and stop here. | |
| 256 " | |
| 257 " Example: | |
| 258 " method_call one, | |
| 259 " two { | |
| 260 " three | |
| 261 " | |
| 262 return lnum | |
| 263 elseif s:Match(lnum, s:bracket_continuation_regex) && | |
| 264 \ (s:Match(msl, s:bracket_continuation_regex) || s:Match(msl, s:block_continuation_regex)) | |
| 265 " If both lines are bracket continuations (the current may also be a | |
| 266 " block-starter), use the current one's and stop here | |
| 267 " | |
| 268 " Example: | |
| 269 " method_call( | |
| 270 " other_method_call( | |
| 271 " foo | |
| 272 return msl | |
| 273 elseif s:Match(lnum, s:block_regex) && | |
| 274 \ !s:Match(msl, s:continuation_regex) && | |
| 275 \ !s:Match(msl, s:block_continuation_regex) | |
| 276 " If the previous line is a block-starter and the current one is | |
| 277 " mostly ordinary, use the current one as the MSL. | |
| 278 " | |
| 279 " Example: | |
| 280 " method_call do | |
| 281 " something | |
| 282 " something_else | |
| 283 return msl | |
| 530 | 284 else |
| 4869 | 285 let col = match(line, s:continuation_regex) + 1 |
| 286 if (col > 0 && !s:IsInStringOrComment(lnum, col)) | |
| 287 \ || s:IsInString(lnum, strlen(line)) | |
| 288 let msl = lnum | |
| 289 else | |
| 290 break | |
| 291 endif | |
| 530 | 292 endif |
| 4869 | 293 |
| 294 let msl_body = getline(msl) | |
| 530 | 295 let lnum = s:PrevNonBlankNonString(lnum - 1) |
| 296 endwhile | |
| 297 return msl | |
| 298 endfunction | |
| 299 | |
| 300 " Check if line 'lnum' has more opening brackets than closing ones. | |
| 4869 | 301 function s:ExtraBrackets(lnum) |
| 302 let opening = {'parentheses': [], 'braces': [], 'brackets': []} | |
| 303 let closing = {'parentheses': [], 'braces': [], 'brackets': []} | |
| 304 | |
| 530 | 305 let line = getline(a:lnum) |
| 4869 | 306 let pos = match(line, '[][(){}]', 0) |
| 307 | |
| 308 " Save any encountered opening brackets, and remove them once a matching | |
| 309 " closing one has been found. If a closing bracket shows up that doesn't | |
| 310 " close anything, save it for later. | |
| 530 | 311 while pos != -1 |
| 312 if !s:IsInStringOrComment(a:lnum, pos + 1) | |
| 4869 | 313 if line[pos] == '(' |
| 314 call add(opening.parentheses, {'type': '(', 'pos': pos}) | |
| 315 elseif line[pos] == ')' | |
| 316 if empty(opening.parentheses) | |
| 317 call add(closing.parentheses, {'type': ')', 'pos': pos}) | |
| 318 else | |
| 319 let opening.parentheses = opening.parentheses[0:-2] | |
| 320 endif | |
| 321 elseif line[pos] == '{' | |
| 322 call add(opening.braces, {'type': '{', 'pos': pos}) | |
| 323 elseif line[pos] == '}' | |
| 324 if empty(opening.braces) | |
| 325 call add(closing.braces, {'type': '}', 'pos': pos}) | |
| 326 else | |
| 327 let opening.braces = opening.braces[0:-2] | |
| 328 endif | |
| 329 elseif line[pos] == '[' | |
| 330 call add(opening.brackets, {'type': '[', 'pos': pos}) | |
| 331 elseif line[pos] == ']' | |
| 332 if empty(opening.brackets) | |
| 333 call add(closing.brackets, {'type': ']', 'pos': pos}) | |
| 334 else | |
| 335 let opening.brackets = opening.brackets[0:-2] | |
| 336 endif | |
| 530 | 337 endif |
| 338 endif | |
| 4869 | 339 |
| 530 | 340 let pos = match(line, '[][(){}]', pos + 1) |
| 341 endwhile | |
| 4869 | 342 |
| 343 " Find the rightmost brackets, since they're the ones that are important in | |
| 344 " both opening and closing cases | |
| 345 let rightmost_opening = {'type': '(', 'pos': -1} | |
| 346 let rightmost_closing = {'type': ')', 'pos': -1} | |
| 347 | |
| 348 for opening in opening.parentheses + opening.braces + opening.brackets | |
| 349 if opening.pos > rightmost_opening.pos | |
| 350 let rightmost_opening = opening | |
| 351 endif | |
| 352 endfor | |
| 353 | |
| 354 for closing in closing.parentheses + closing.braces + closing.brackets | |
| 355 if closing.pos > rightmost_closing.pos | |
| 356 let rightmost_closing = closing | |
| 357 endif | |
| 358 endfor | |
| 359 | |
| 360 return [rightmost_opening, rightmost_closing] | |
| 530 | 361 endfunction |
| 362 | |
| 363 function s:Match(lnum, regex) | |
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364 let line = getline(a:lnum) |
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365 let offset = match(line, '\C'.a:regex) |
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366 let col = offset + 1 |
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367 |
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368 while offset > -1 && s:IsInStringOrComment(a:lnum, col) |
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369 let offset = match(line, '\C'.a:regex, offset + 1) |
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370 let col = offset + 1 |
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371 endwhile |
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372 |
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373 if offset > -1 |
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374 return col |
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375 else |
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376 return 0 |
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377 endif |
| 530 | 378 endfunction |
| 379 | |
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380 " Locates the containing class/module's definition line, ignoring nested classes |
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381 " along the way. |
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382 " |
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383 function! s:FindContainingClass() |
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384 let saved_position = getpos('.') |
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385 |
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386 while searchpair(s:end_start_regex, s:end_middle_regex, s:end_end_regex, 'bW', |
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387 \ s:end_skip_expr) > 0 |
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388 if expand('<cword>') =~# '\<class\|module\>' |
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389 let found_lnum = line('.') |
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390 call setpos('.', saved_position) |
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391 return found_lnum |
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392 endif |
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393 endwhile |
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394 |
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395 call setpos('.', saved_position) |
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396 return 0 |
| 530 | 397 endfunction |
| 398 | |
| 399 " 3. GetRubyIndent Function {{{1 | |
| 400 " ========================= | |
| 401 | |
| 4869 | 402 function GetRubyIndent(...) |
| 530 | 403 " 3.1. Setup {{{2 |
| 404 " ---------- | |
| 405 | |
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406 " The value of a single shift-width |
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407 if exists('*shiftwidth') |
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408 let sw = shiftwidth() |
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409 else |
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410 let sw = &sw |
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411 endif |
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412 |
| 4869 | 413 " For the current line, use the first argument if given, else v:lnum |
| 414 let clnum = a:0 ? a:1 : v:lnum | |
| 415 | |
| 416 " Set up variables for restoring position in file. Could use clnum here. | |
| 530 | 417 let vcol = col('.') |
| 418 | |
| 419 " 3.2. Work on the current line {{{2 | |
| 420 " ----------------------------- | |
| 421 | |
| 422 " Get the current line. | |
| 4869 | 423 let line = getline(clnum) |
| 530 | 424 let ind = -1 |
| 425 | |
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426 " If this line is an access modifier keyword, align according to the closest |
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427 " class declaration. |
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428 if g:ruby_indent_access_modifier_style == 'indent' |
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429 if s:Match(clnum, s:access_modifier_regex) |
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430 let class_line = s:FindContainingClass() |
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431 if class_line > 0 |
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432 return indent(class_line) + sw |
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433 endif |
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434 endif |
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435 elseif g:ruby_indent_access_modifier_style == 'outdent' |
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436 if s:Match(clnum, s:access_modifier_regex) |
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437 let class_line = s:FindContainingClass() |
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438 if class_line > 0 |
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439 return indent(class_line) |
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440 endif |
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441 endif |
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442 endif |
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443 |
| 530 | 444 " If we got a closing bracket on an empty line, find its match and indent |
| 445 " according to it. For parentheses we indent to its column - 1, for the | |
| 446 " others we indent to the containing line's MSL's level. Return -1 if fail. | |
| 447 let col = matchend(line, '^\s*[]})]') | |
| 4869 | 448 if col > 0 && !s:IsInStringOrComment(clnum, col) |
| 449 call cursor(clnum, col) | |
| 530 | 450 let bs = strpart('(){}[]', stridx(')}]', line[col - 1]) * 2, 2) |
| 451 if searchpair(escape(bs[0], '\['), '', bs[1], 'bW', s:skip_expr) > 0 | |
| 1121 | 452 if line[col-1]==')' && col('.') != col('$') - 1 |
| 4869 | 453 let ind = virtcol('.') - 1 |
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454 elseif g:ruby_indent_block_style == 'do' |
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455 let ind = indent(line('.')) |
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456 else " g:ruby_indent_block_style == 'expression' |
| 4869 | 457 let ind = indent(s:GetMSL(line('.'))) |
| 1121 | 458 endif |
| 530 | 459 endif |
| 460 return ind | |
| 461 endif | |
| 462 | |
| 463 " If we have a =begin or =end set indent to first column. | |
| 464 if match(line, '^\s*\%(=begin\|=end\)$') != -1 | |
| 465 return 0 | |
| 466 endif | |
| 467 | |
| 468 " If we have a deindenting keyword, find its match and indent to its level. | |
| 469 " TODO: this is messy | |
| 4869 | 470 if s:Match(clnum, s:ruby_deindent_keywords) |
| 471 call cursor(clnum, 1) | |
| 530 | 472 if searchpair(s:end_start_regex, s:end_middle_regex, s:end_end_regex, 'bW', |
| 4869 | 473 \ s:end_skip_expr) > 0 |
| 474 let msl = s:GetMSL(line('.')) | |
| 475 let line = getline(line('.')) | |
| 476 | |
| 532 | 477 if strpart(line, 0, col('.') - 1) =~ '=\s*$' && |
| 4869 | 478 \ strpart(line, col('.') - 1, 2) !~ 'do' |
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479 " assignment to case/begin/etc, on the same line, hanging indent |
| 4869 | 480 let ind = virtcol('.') - 1 |
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481 elseif g:ruby_indent_block_style == 'do' |
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482 " align to line of the "do", not to the MSL |
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483 let ind = indent(line('.')) |
| 4869 | 484 elseif getline(msl) =~ '=\s*\(#.*\)\=$' |
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485 " in the case of assignment to the MSL, align to the starting line, |
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486 " not to the MSL |
| 4869 | 487 let ind = indent(line('.')) |
| 530 | 488 else |
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489 " align to the MSL |
| 4869 | 490 let ind = indent(msl) |
| 530 | 491 endif |
| 492 endif | |
| 493 return ind | |
| 494 endif | |
| 495 | |
| 496 " If we are in a multi-line string or line-comment, don't do anything to it. | |
| 4869 | 497 if s:IsInStringOrDocumentation(clnum, matchend(line, '^\s*') + 1) |
| 530 | 498 return indent('.') |
| 499 endif | |
| 500 | |
| 4869 | 501 " If we are at the closing delimiter of a "<<" heredoc-style string, set the |
| 502 " indent to 0. | |
| 503 if line =~ '^\k\+\s*$' | |
| 504 \ && s:IsInStringDelimiter(clnum, 1) | |
| 505 \ && search('\V<<'.line, 'nbW') > 0 | |
| 506 return 0 | |
| 507 endif | |
| 508 | |
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509 " If the current line starts with a leading operator, add a level of indent. |
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510 if s:Match(clnum, s:leading_operator_regex) |
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511 return indent(s:GetMSL(clnum)) + sw |
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512 endif |
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513 |
| 530 | 514 " 3.3. Work on the previous line. {{{2 |
| 515 " ------------------------------- | |
| 516 | |
| 517 " Find a non-blank, non-multi-line string line above the current line. | |
| 4869 | 518 let lnum = s:PrevNonBlankNonString(clnum - 1) |
| 7 | 519 |
| 1668 | 520 " If the line is empty and inside a string, use the previous line. |
| 4869 | 521 if line =~ '^\s*$' && lnum != prevnonblank(clnum - 1) |
| 522 return indent(prevnonblank(clnum)) | |
| 1668 | 523 endif |
| 524 | |
| 7 | 525 " At the start of the file use zero indent. |
| 526 if lnum == 0 | |
| 527 return 0 | |
| 528 endif | |
| 529 | |
| 4869 | 530 " Set up variables for the previous line. |
| 530 | 531 let line = getline(lnum) |
| 532 let ind = indent(lnum) | |
| 533 | |
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534 if g:ruby_indent_access_modifier_style == 'indent' |
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535 " If the previous line was a private/protected keyword, add a |
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536 " level of indent. |
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537 if s:Match(lnum, s:indent_access_modifier_regex) |
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538 return indent(lnum) + sw |
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539 endif |
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540 elseif g:ruby_indent_access_modifier_style == 'outdent' |
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541 " If the previous line was a private/protected/public keyword, add |
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542 " a level of indent, since the keyword has been out-dented. |
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543 if s:Match(lnum, s:access_modifier_regex) |
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544 return indent(lnum) + sw |
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545 endif |
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546 endif |
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547 |
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548 if s:Match(lnum, s:continuable_regex) && s:Match(lnum, s:continuation_regex) |
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549 return indent(s:GetMSL(lnum)) + sw + sw |
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550 endif |
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551 |
| 530 | 552 " If the previous line ended with a block opening, add a level of indent. |
| 553 if s:Match(lnum, s:block_regex) | |
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554 let msl = s:GetMSL(lnum) |
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555 |
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556 if g:ruby_indent_block_style == 'do' |
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557 " don't align to the msl, align to the "do" |
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558 let ind = indent(lnum) + sw |
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559 elseif getline(msl) =~ '=\s*\(#.*\)\=$' |
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560 " in the case of assignment to the msl, align to the starting line, |
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561 " not to the msl |
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562 let ind = indent(lnum) + sw |
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563 else |
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564 let ind = indent(msl) + sw |
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565 endif |
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566 return ind |
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567 endif |
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568 |
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569 " If the previous line started with a leading operator, use its MSL's level |
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570 " of indent |
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571 if s:Match(lnum, s:leading_operator_regex) |
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572 return indent(s:GetMSL(lnum)) |
| 530 | 573 endif |
| 574 | |
| 4869 | 575 " If the previous line ended with the "*" of a splat, add a level of indent |
| 576 if line =~ s:splat_regex | |
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577 return indent(lnum) + sw |
| 4869 | 578 endif |
| 579 | |
| 580 " If the previous line contained unclosed opening brackets and we are still | |
| 581 " in them, find the rightmost one and add indent depending on the bracket | |
| 582 " type. | |
| 583 " | |
| 584 " If it contained hanging closing brackets, find the rightmost one, find its | |
| 585 " match and indent according to that. | |
| 586 if line =~ '[[({]' || line =~ '[])}]\s*\%(#.*\)\=$' | |
| 587 let [opening, closing] = s:ExtraBrackets(lnum) | |
| 588 | |
| 589 if opening.pos != -1 | |
| 590 if opening.type == '(' && searchpair('(', '', ')', 'bW', s:skip_expr) > 0 | |
| 591 if col('.') + 1 == col('$') | |
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592 return ind + sw |
| 4869 | 593 else |
| 594 return virtcol('.') | |
| 595 endif | |
| 1121 | 596 else |
| 4869 | 597 let nonspace = matchend(line, '\S', opening.pos + 1) - 1 |
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598 return nonspace > 0 ? nonspace : ind + sw |
| 1121 | 599 endif |
| 4869 | 600 elseif closing.pos != -1 |
| 601 call cursor(lnum, closing.pos + 1) | |
| 602 normal! % | |
| 603 | |
| 604 if s:Match(line('.'), s:ruby_indent_keywords) | |
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605 return indent('.') + sw |
| 4869 | 606 else |
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607 return indent(s:GetMSL(line('.'))) |
| 4869 | 608 endif |
| 530 | 609 else |
| 4869 | 610 call cursor(clnum, vcol) |
| 530 | 611 end |
| 7 | 612 endif |
| 613 | |
| 530 | 614 " If the previous line ended with an "end", match that "end"s beginning's |
| 615 " indent. | |
| 1212 | 616 let col = s:Match(lnum, '\%(^\|[^.:@$]\)\<end\>\s*\%(#.*\)\=$') |
| 530 | 617 if col > 0 |
| 618 call cursor(lnum, col) | |
| 619 if searchpair(s:end_start_regex, '', s:end_end_regex, 'bW', | |
| 4869 | 620 \ s:end_skip_expr) > 0 |
| 530 | 621 let n = line('.') |
| 622 let ind = indent('.') | |
| 623 let msl = s:GetMSL(n) | |
| 624 if msl != n | |
| 4869 | 625 let ind = indent(msl) |
| 530 | 626 end |
| 627 return ind | |
| 628 endif | |
| 629 end | |
| 630 | |
| 631 let col = s:Match(lnum, s:ruby_indent_keywords) | |
| 632 if col > 0 | |
| 633 call cursor(lnum, col) | |
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634 let ind = virtcol('.') - 1 + sw |
| 530 | 635 " TODO: make this better (we need to count them) (or, if a searchpair |
| 636 " fails, we know that something is lacking an end and thus we indent a | |
| 637 " level | |
| 638 if s:Match(lnum, s:end_end_regex) | |
| 639 let ind = indent('.') | |
| 640 endif | |
| 641 return ind | |
| 7 | 642 endif |
| 643 | |
| 530 | 644 " 3.4. Work on the MSL line. {{{2 |
| 645 " -------------------------- | |
| 646 | |
| 647 " Set up variables to use and search for MSL to the previous line. | |
| 648 let p_lnum = lnum | |
| 649 let lnum = s:GetMSL(lnum) | |
| 650 | |
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651 " If the previous line wasn't a MSL. |
| 530 | 652 if p_lnum != lnum |
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653 " If previous line ends bracket and begins non-bracket continuation decrease indent by 1. |
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654 if s:Match(p_lnum, s:bracket_switch_continuation_regex) |
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655 return ind - 1 |
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656 " If previous line is a continuation return its indent. |
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657 " TODO: the || s:IsInString() thing worries me a bit. |
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658 elseif s:Match(p_lnum, s:non_bracket_continuation_regex) || s:IsInString(p_lnum,strlen(line)) |
| 530 | 659 return ind |
| 660 endif | |
| 7 | 661 endif |
| 662 | |
| 530 | 663 " Set up more variables, now that we know we wasn't continuation bound. |
| 664 let line = getline(lnum) | |
| 665 let msl_ind = indent(lnum) | |
| 666 | |
| 667 " If the MSL line had an indenting keyword in it, add a level of indent. | |
| 668 " TODO: this does not take into account contrived things such as | |
| 669 " module Foo; class Bar; end | |
| 670 if s:Match(lnum, s:ruby_indent_keywords) | |
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671 let ind = msl_ind + sw |
| 530 | 672 if s:Match(lnum, s:end_end_regex) |
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673 let ind = ind - sw |
| 530 | 674 endif |
| 675 return ind | |
| 7 | 676 endif |
| 677 | |
| 4869 | 678 " If the previous line ended with [*+/.,-=], but wasn't a block ending or a |
| 679 " closing bracket, indent one extra level. | |
| 680 if s:Match(lnum, s:non_bracket_continuation_regex) && !s:Match(lnum, '^\s*\([\])}]\|end\)') | |
| 530 | 681 if lnum == p_lnum |
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682 let ind = msl_ind + sw |
| 530 | 683 else |
| 684 let ind = msl_ind | |
| 685 endif | |
| 4869 | 686 return ind |
| 530 | 687 endif |
| 688 | |
| 689 " }}}2 | |
| 690 | |
| 7 | 691 return ind |
| 692 endfunction | |
| 693 | |
| 530 | 694 " }}}1 |
| 695 | |
| 696 let &cpo = s:cpo_save | |
| 697 unlet s:cpo_save | |
| 1121 | 698 |
| 4869 | 699 " vim:set sw=2 sts=2 ts=8 et: |