FM / indent

/usr/share/vim/vim80/indent

Name	Size	Mode	Actions
aap.vim	265	0644	edit dl rm
ada.vim	11235	0644	edit dl rm
ant.vim	290	0644	edit dl rm
automake.vim	243	0644	edit dl rm
awk.vim	7775	0644	edit dl rm
bib.vim	346	0644	edit dl rm
bst.vim	1937	0644	edit dl rm
bzl.vim	2484	0644	edit dl rm
c.vim	325	0644	edit dl rm
cdl.vim	4253	0644	edit dl rm
ch.vim	470	0644	edit dl rm
chaiscript.vim	1138	0644	edit dl rm
changelog.vim	264	0644	edit dl rm
clojure.vim	10440	0644	edit dl rm
cmake.vim	2683	0644	edit dl rm
cobol.vim	8305	0644	edit dl rm
config.vim	2182	0644	edit dl rm
context.vim	752	0644	edit dl rm
cpp.vim	329	0644	edit dl rm
cs.vim	327	0644	edit dl rm
css.vim	1790	0644	edit dl rm
cucumber.vim	2678	0644	edit dl rm
cuda.vim	305	0644	edit dl rm
d.vim	510	0644	edit dl rm
dictconf.vim	337	0644	edit dl rm
dictdconf.vim	338	0644	edit dl rm
docbk.vim	336	0644	edit dl rm
dtd.vim	11869	0644	edit dl rm
dtrace.vim	451	0644	edit dl rm
dylan.vim	2707	0644	edit dl rm
eiffel.vim	3317	0644	edit dl rm
erlang.vim	46379	0644	edit dl rm
eruby.vim	2802	0644	edit dl rm
eterm.vim	668	0644	edit dl rm
falcon.vim	14054	0644	edit dl rm
fortran.vim	7445	0644	edit dl rm
framescript.vim	816	0644	edit dl rm
gitconfig.vim	841	0644	edit dl rm
gitolite.vim	1277	0644	edit dl rm
go.vim	1673	0644	edit dl rm
haml.vim	2211	0644	edit dl rm
hamster.vim	1425	0644	edit dl rm
hog.vim	1892	0644	edit dl rm
html.vim	33248	0644	edit dl rm
htmldjango.vim	273	0644	edit dl rm
idlang.vim	1620	0644	edit dl rm
ishd.vim	1877	0644	edit dl rm
j.vim	1813	0644	edit dl rm
java.vim	4287	0644	edit dl rm
javascript.vim	15362	0644	edit dl rm
json.vim	4421	0644	edit dl rm
jsp.vim	462	0644	edit dl rm
ld.vim	1792	0644	edit dl rm
less.vim	243	0644	edit dl rm
lifelines.vim	637	0644	edit dl rm
liquid.vim	1899	0644	edit dl rm
lisp.vim	353	0644	edit dl rm
logtalk.vim	1744	0644	edit dl rm
lua.vim	1927	0644	edit dl rm
mail.vim	308	0644	edit dl rm
make.vim	3488	0644	edit dl rm
matlab.vim	1964	0644	edit dl rm
mf.vim	156	0644	edit dl rm
mma.vim	2236	0644	edit dl rm
mp.vim	11321	0644	edit dl rm
nsis.vim	3257	0644	edit dl rm
objc.vim	1645	0644	edit dl rm
ocaml.vim	9153	0644	edit dl rm
occam.vim	4637	0644	edit dl rm
pascal.vim	5656	0644	edit dl rm
perl.vim	5902	0644	edit dl rm
perl6.vim	3540	0644	edit dl rm
php.vim	22431	0644	edit dl rm
postscr.vim	1649	0644	edit dl rm
pov.vim	2662	0644	edit dl rm
prolog.vim	1490	0644	edit dl rm
pyrex.vim	326	0644	edit dl rm
python.vim	5744	0644	edit dl rm
r.vim	13905	0644	edit dl rm
readline.vim	711	0644	edit dl rm
README.txt	1639	0644	edit dl rm
rhelp.vim	2840	0644	edit dl rm
rmd.vim	1197	0644	edit dl rm
rnoweb.vim	1086	0644	edit dl rm
rpl.vim	1862	0644	edit dl rm
rrst.vim	1195	0644	edit dl rm
rst.vim	1399	0644	edit dl rm
ruby.vim	22970	0644	edit dl rm
rust.vim	6498	0644	edit dl rm
sas.vim	5127	0644	edit dl rm
sass.vim	950	0644	edit dl rm
scala.vim	19430	0644	edit dl rm
scheme.vim	372	0644	edit dl rm
scss.vim	191	0644	edit dl rm
sdl.vim	2794	0644	edit dl rm
sh.vim	5716	0644	edit dl rm
sml.vim	6478	0644	edit dl rm
sql.vim	1204	0644	edit dl rm
sqlanywhere.vim	13166	0644	edit dl rm
systemd.vim	205	0644	edit dl rm
systemverilog.vim	8577	0644	edit dl rm
tcl.vim	1629	0644	edit dl rm
tcsh.vim	1270	0644	edit dl rm
teraterm.vim	1365	0644	edit dl rm
tex.vim	13498	0644	edit dl rm
tf.vim	1549	0644	edit dl rm
tilde.vim	1012	0644	edit dl rm
treetop.vim	707	0644	edit dl rm
vb.vim	2089	0644	edit dl rm
verilog.vim	8165	0644	edit dl rm
vhdl.vim	14666	0644	edit dl rm
vim.vim	2989	0644	edit dl rm
vroom.vim	379	0644	edit dl rm
xf86conf.vim	709	0644	edit dl rm
xhtml.vim	269	0644	edit dl rm
xinetd.vim	1231	0644	edit dl rm
xml.vim	2849	0644	edit dl rm
xsd.vim	253	0644	edit dl rm
xslt.vim	297	0644	edit dl rm
yacc.vim	781	0644	edit dl rm
yaml.vim	5472	0644	edit dl rm
zimbu.vim	3936	0644	edit dl rm
zsh.vim	411	0644	edit dl rm

Edit: /usr/share/vim/vim80/indent/ruby.vim (22970B)

" Vim indent file
" Language:		Ruby
" Maintainer:		Nikolai Weibull <now at bitwi.se>
" URL:			https://github.com/vim-ruby/vim-ruby
" Release Coordinator:	Doug Kearns <dougkearns@gmail.com>

" 0. Initialization {{{1
" =================

" Only load this indent file when no other was loaded.
if exists("b:did_indent")
  finish
endif
let b:did_indent = 1

if !exists('g:ruby_indent_access_modifier_style')
  " Possible values: "normal", "indent", "outdent"
  let g:ruby_indent_access_modifier_style = 'normal'
endif

if !exists('g:ruby_indent_block_style')
  " Possible values: "expression", "do"
  let g:ruby_indent_block_style = 'expression'
endif

setlocal nosmartindent

" Now, set up our indentation expression and keys that trigger it.
setlocal indentexpr=GetRubyIndent(v:lnum)
setlocal indentkeys=0{,0},0),0],!^F,o,O,e,:,.
setlocal indentkeys+==end,=else,=elsif,=when,=ensure,=rescue,==begin,==end
setlocal indentkeys+==private,=protected,=public

" Only define the function once.
if exists("*GetRubyIndent")
  finish
endif

let s:cpo_save = &cpo
set cpo&vim

" 1. Variables {{{1
" ============

" Regex of syntax group names that are strings.
let s:syng_string =
      \ '\<ruby\%(String\|Interpolation\|NoInterpolation\|StringEscape\)\>'

" Regex of syntax group names that are strings or documentation.
let s:syng_stringdoc =
      \'\<ruby\%(String\|Interpolation\|NoInterpolation\|StringEscape\|Documentation\)\>'

" Expression used to check whether we should skip a match with searchpair().
let s:skip_expr =
      \ "synIDattr(synID(line('.'),col('.'),1),'name') =~ '".s:syng_strcom."'"

" Regex that defines the start-match for the 'end' keyword.
"let s:end_start_regex = '\%(^\|[^.]\)\<\%(module\|class\|def\|if\|for\|while\|until\|case\|unless\|begin\|do\)\>'
" TODO: the do here should be restricted somewhat (only at end of line)?
let s:end_start_regex =
      \ '\C\%(^\s*\|[=,*/%+\-|;{]\|<<\|>>\|:\s\)\s*\zs' .
      \ '\<\%(module\|class\|if\|for\|while\|until\|case\|unless\|begin' .
      \   '\|\%(public\|protected\|private\)\=\s*def\):\@!\>' .
      \ '\|\%(^\|[^.:@$]\)\@<=\<do:\@!\>'

" Regex that defines the end-match for the 'end' keyword.
let s:end_end_regex = '\%(^\|[^.:@$]\)\@<=\<end:\@!\>'

" Expression used for searchpair() call for finding match for 'end' keyword.
let s:end_skip_expr = s:skip_expr .
      \ ' || (expand("<cword>") == "do"' .
      \ ' && getline(".") =~ "^\\s*\\<\$while\\|until\\|for\$:\\@!\\>")'

" Regex that defines continuation lines, not including (, {, or [.
let s:non_bracket_continuation_regex =
      \ '\%([\\.,:*/%+]\|\<and\|\<or\|\%(<%\)\@<![=-]\|:\@<![^[:alnum:]:][|&?]\|||\|&&\)\s*\%(#.*\)\=$'

" Regex that defines continuation lines.
let s:continuation_regex =
      \ '\%(%\@<![({[\\.,:*/%+]\|\<and\|\<or\|\%(<%\)\@<![=-]\|:\@<![^[:alnum:]:][|&?]\|||\|&&\)\s*\%(#.*\)\=$'

" Regex that defines continuable keywords
let s:continuable_regex =
      \ '\C\%(^\s*\|[=,*/%+\-|;{]\|<<\|>>\|:\s\)\s*\zs' .
      \ '\<\%(if\|for\|while\|until\|unless\):\@!\>'

" Regex that defines bracket continuations
let s:bracket_continuation_regex = '%\@<!\%([({[]\)\s*\%(#.*\)\=$'

" Regex that defines dot continuations
let s:dot_continuation_regex = '%\@<!\.\s*\%(#.*\)\=$'

" Regex that defines backslash continuations
let s:backslash_continuation_regex = '%\@<!\\\s*$'

" Regex that defines end of bracket continuation followed by another continuation
let s:bracket_switch_continuation_regex = '^$[^(]\+\zs).\+$\+'.s:continuation_regex

" Regex that defines the first part of a splat pattern
let s:splat_regex = '[[,(]\s*\*\s*\%(#.*\)\=$'

" Regex that describes all indent access modifiers
let s:access_modifier_regex = '\C^\s*\%(public\|protected\|private\)\s*\%(#.*\)\=$'

" Regex that describes the indent access modifiers (excludes public)
let s:indent_access_modifier_regex = '\C^\s*\%(protected\|private\)\s*\%(#.*\)\=$'

" Regex that defines blocks.
"
" Note that there's a slight problem with this regex and s:continuation_regex.
" Code like this will be matched by both:
"
"   method_call do |(a, b)|
"
" The reason is that the pipe matches a hanging "|" operator.
"
let s:block_regex =
      \ '\%(\<do:\@!\>\|%\@<!{\)\s*\%(|[^|]*|\)\=\s*\%(#.*\)\=$'

let s:block_continuation_regex = '^\s*[^])}\t ].*'.s:block_regex

" Regex that describes a leading operator (only a method call's dot for now)
let s:leading_operator_regex = '^\s*[.]'

" 2. Auxiliary Functions {{{1
" ======================

" Check if the character at lnum:col is inside a string, comment, or is ascii.
function s:IsInStringOrComment(lnum, col)
  return synIDattr(synID(a:lnum, a:col, 1), 'name') =~ s:syng_strcom
endfunction

" Check if the character at lnum:col is inside a string.
function s:IsInString(lnum, col)
  return synIDattr(synID(a:lnum, a:col, 1), 'name') =~ s:syng_string
endfunction

" Check if the character at lnum:col is inside a string or documentation.
function s:IsInStringOrDocumentation(lnum, col)
  return synIDattr(synID(a:lnum, a:col, 1), 'name') =~ s:syng_stringdoc
endfunction

" Check if the character at lnum:col is inside a string delimiter
function s:IsInStringDelimiter(lnum, col)
  return synIDattr(synID(a:lnum, a:col, 1), 'name') == 'rubyStringDelimiter'
endfunction

" Find line above 'lnum' that isn't empty, in a comment, or in a string.
function s:PrevNonBlankNonString(lnum)
  let in_block = 0
  let lnum = prevnonblank(a:lnum)
  while lnum > 0
    " Go in and out of blocks comments as necessary.
    " If the line isn't empty (with opt. comment) or in a string, end search.
    let line = getline(lnum)
    if line =~ '^=begin'
      if in_block
        let in_block = 0
      else
        break
      endif
    elseif !in_block && line =~ '^=end'
      let in_block = 1
    elseif !in_block && line !~ '^\s*#.*$' && !(s:IsInStringOrComment(lnum, 1)
          \ && s:IsInStringOrComment(lnum, strlen(line)))
      break
    endif
    let lnum = prevnonblank(lnum - 1)
  endwhile
  return lnum
endfunction

" Find line above 'lnum' that started the continuation 'lnum' may be part of.
function s:GetMSL(lnum)
  " Start on the line we're at and use its indent.
  let msl = a:lnum
  let msl_body = getline(msl)
  let lnum = s:PrevNonBlankNonString(a:lnum - 1)
  while lnum > 0
    " If we have a continuation line, or we're in a string, use line as MSL.
    " Otherwise, terminate search as we have found our MSL already.
    let line = getline(lnum)

if !s:Match(msl, s:backslash_continuation_regex) &&
          \ s:Match(lnum, s:backslash_continuation_regex)
      " If the current line doesn't end in a backslash, but the previous one
      " does, look for that line's msl
      "
      " Example:
      "   foo = "bar" \
      "     "baz"
      "
      let msl = lnum
    elseif s:Match(msl, s:leading_operator_regex)
      " If the current line starts with a leading operator, keep its indent
      " and keep looking for an MSL.
      let msl = lnum
    elseif s:Match(lnum, s:splat_regex)
      " If the above line looks like the "*" of a splat, use the current one's
      " indentation.
      "
      " Example:
      "   Hash[*
      "     method_call do
      "       something
      "
      return msl
    elseif s:Match(lnum, s:non_bracket_continuation_regex) &&
          \ s:Match(msl, s:non_bracket_continuation_regex)
      " If the current line is a non-bracket continuation and so is the
      " previous one, keep its indent and continue looking for an MSL.
      "
      " Example:
      "   method_call one,
      "     two,
      "     three
      "
      let msl = lnum
    elseif s:Match(lnum, s:dot_continuation_regex) &&
          \ (s:Match(msl, s:bracket_continuation_regex) || s:Match(msl, s:block_continuation_regex))
      " If the current line is a bracket continuation or a block-starter, but
      " the previous is a dot, keep going to see if the previous line is the
      " start of another continuation.
      "
      " Example:
      "   parent.
      "     method_call {
      "     three
      "
      let msl = lnum
    elseif s:Match(lnum, s:non_bracket_continuation_regex) &&
          \ (s:Match(msl, s:bracket_continuation_regex) || s:Match(msl, s:block_continuation_regex))
      " If the current line is a bracket continuation or a block-starter, but
      " the previous is a non-bracket one, respect the previous' indentation,
      " and stop here.
      "
      " Example:
      "   method_call one,
      "     two {
      "     three
      "
      return lnum
    elseif s:Match(lnum, s:bracket_continuation_regex) &&
          \ (s:Match(msl, s:bracket_continuation_regex) || s:Match(msl, s:block_continuation_regex))
      " If both lines are bracket continuations (the current may also be a
      " block-starter), use the current one's and stop here
      "
      " Example:
      "   method_call(
      "     other_method_call(
      "       foo
      return msl
    elseif s:Match(lnum, s:block_regex) &&
          \ !s:Match(msl, s:continuation_regex) &&
          \ !s:Match(msl, s:block_continuation_regex)
      " If the previous line is a block-starter and the current one is
      " mostly ordinary, use the current one as the MSL.
      "
      " Example:
      "   method_call do
      "     something
      "     something_else
      return msl
    else
      let col = match(line, s:continuation_regex) + 1
      if (col > 0 && !s:IsInStringOrComment(lnum, col))
            \ || s:IsInString(lnum, strlen(line))
        let msl = lnum
      else
        break
      endif
    endif

let msl_body = getline(msl)
    let lnum = s:PrevNonBlankNonString(lnum - 1)
  endwhile
  return msl
endfunction

" Check if line 'lnum' has more opening brackets than closing ones.
function s:ExtraBrackets(lnum)
  let opening = {'parentheses': [], 'braces': [], 'brackets': []}
  let closing = {'parentheses': [], 'braces': [], 'brackets': []}

let line = getline(a:lnum)
  let pos  = match(line, '[][(){}]', 0)

" Save any encountered opening brackets, and remove them once a matching
  " closing one has been found. If a closing bracket shows up that doesn't
  " close anything, save it for later.
  while pos != -1
    if !s:IsInStringOrComment(a:lnum, pos + 1)
      if line[pos] == '('
        call add(opening.parentheses, {'type': '(', 'pos': pos})
      elseif line[pos] == ')'
        if empty(opening.parentheses)
          call add(closing.parentheses, {'type': ')', 'pos': pos})
        else
          let opening.parentheses = opening.parentheses[0:-2]
        endif
      elseif line[pos] == '{'
        call add(opening.braces, {'type': '{', 'pos': pos})
      elseif line[pos] == '}'
        if empty(opening.braces)
          call add(closing.braces, {'type': '}', 'pos': pos})
        else
          let opening.braces = opening.braces[0:-2]
        endif
      elseif line[pos] == '['
        call add(opening.brackets, {'type': '[', 'pos': pos})
      elseif line[pos] == ']'
        if empty(opening.brackets)
          call add(closing.brackets, {'type': ']', 'pos': pos})
        else
          let opening.brackets = opening.brackets[0:-2]
        endif
      endif
    endif

let pos = match(line, '[][(){}]', pos + 1)
  endwhile

" Find the rightmost brackets, since they're the ones that are important in
  " both opening and closing cases
  let rightmost_opening = {'type': '(', 'pos': -1}
  let rightmost_closing = {'type': ')', 'pos': -1}

for opening in opening.parentheses + opening.braces + opening.brackets
    if opening.pos > rightmost_opening.pos
      let rightmost_opening = opening
    endif
  endfor

for closing in closing.parentheses + closing.braces + closing.brackets
    if closing.pos > rightmost_closing.pos
      let rightmost_closing = closing
    endif
  endfor

return [rightmost_opening, rightmost_closing]
endfunction

function s:Match(lnum, regex)
  let line   = getline(a:lnum)
  let offset = match(line, '\C'.a:regex)
  let col    = offset + 1

while offset > -1 && s:IsInStringOrComment(a:lnum, col)
    let offset = match(line, '\C'.a:regex, offset + 1)
    let col = offset + 1
  endwhile

if offset > -1
    return col
  else
    return 0
  endif
endfunction

" Locates the containing class/module's definition line, ignoring nested classes
" along the way.
"
function! s:FindContainingClass()
  let saved_position = getpos('.')

while searchpair(s:end_start_regex, s:end_middle_regex, s:end_end_regex, 'bW',
        \ s:end_skip_expr) > 0
    if expand('<cword>') =~# '\<class\|module\>'
      let found_lnum = line('.')
      call setpos('.', saved_position)
      return found_lnum
    endif
  endwhile

call setpos('.', saved_position)
  return 0
endfunction

" 3. GetRubyIndent Function {{{1
" =========================

function GetRubyIndent(...)
  " 3.1. Setup {{{2
  " ----------

" The value of a single shift-width
  let sw = shiftwidth()

" For the current line, use the first argument if given, else v:lnum
  let clnum = a:0 ? a:1 : v:lnum

" Set up variables for restoring position in file.  Could use clnum here.
  let vcol = col('.')

" 3.2. Work on the current line {{{2
  " -----------------------------

" Get the current line.
  let line = getline(clnum)
  let ind = -1

" If this line is an access modifier keyword, align according to the closest
  " class declaration.
  if g:ruby_indent_access_modifier_style == 'indent'
    if s:Match(clnum, s:access_modifier_regex)
      let class_line = s:FindContainingClass()
      if class_line > 0
        return indent(class_line) + sw
      endif
    endif
  elseif g:ruby_indent_access_modifier_style == 'outdent'
    if s:Match(clnum, s:access_modifier_regex)
      let class_line = s:FindContainingClass()
      if class_line > 0
        return indent(class_line)
      endif
    endif
  endif

" If we got a closing bracket on an empty line, find its match and indent
  " according to it.  For parentheses we indent to its column - 1, for the
  " others we indent to the containing line's MSL's level.  Return -1 if fail.
  let col = matchend(line, '^\s*[]})]')
  if col > 0 && !s:IsInStringOrComment(clnum, col)
    call cursor(clnum, col)
    let bs = strpart('(){}[]', stridx(')}]', line[col - 1]) * 2, 2)
    if searchpair(escape(bs[0], '\['), '', bs[1], 'bW', s:skip_expr) > 0
      if line[col-1]==')' && col('.') != col('$') - 1
        let ind = virtcol('.') - 1
      elseif g:ruby_indent_block_style == 'do'
        let ind = indent(line('.'))
      else " g:ruby_indent_block_style == 'expression'
        let ind = indent(s:GetMSL(line('.')))
      endif
    endif
    return ind
  endif

" If we have a =begin or =end set indent to first column.
  if match(line, '^\s*\%(=begin\|=end\)$') != -1
    return 0
  endif

" If we have a deindenting keyword, find its match and indent to its level.
  " TODO: this is messy
  if s:Match(clnum, s:ruby_deindent_keywords)
    call cursor(clnum, 1)
    if searchpair(s:end_start_regex, s:end_middle_regex, s:end_end_regex, 'bW',
          \ s:end_skip_expr) > 0
      let msl  = s:GetMSL(line('.'))
      let line = getline(line('.'))

if strpart(line, 0, col('.') - 1) =~ '=\s*$' &&
            \ strpart(line, col('.') - 1, 2) !~ 'do'
        " assignment to case/begin/etc, on the same line, hanging indent
        let ind = virtcol('.') - 1
      elseif g:ruby_indent_block_style == 'do'
        " align to line of the "do", not to the MSL
        let ind = indent(line('.'))
      elseif getline(msl) =~ '=\s*$#.*$\=$'
        " in the case of assignment to the MSL, align to the starting line,
        " not to the MSL
        let ind = indent(line('.'))
      else
        " align to the MSL
        let ind = indent(msl)
      endif
    endif
    return ind
  endif

" If we are in a multi-line string or line-comment, don't do anything to it.
  if s:IsInStringOrDocumentation(clnum, matchend(line, '^\s*') + 1)
    return indent('.')
  endif

" If we are at the closing delimiter of a "<<" heredoc-style string, set the
  " indent to 0.
  if line =~ '^\k\+\s*$'
        \ && s:IsInStringDelimiter(clnum, 1)
        \ && search('\V<<'.line, 'nbW') > 0
    return 0
  endif

" If the current line starts with a leading operator, add a level of indent.
  if s:Match(clnum, s:leading_operator_regex)
    return indent(s:GetMSL(clnum)) + sw
  endif

" 3.3. Work on the previous line. {{{2
  " -------------------------------

" Find a non-blank, non-multi-line string line above the current line.
  let lnum = s:PrevNonBlankNonString(clnum - 1)

" If the line is empty and inside a string, use the previous line.
  if line =~ '^\s*$' && lnum != prevnonblank(clnum - 1)
    return indent(prevnonblank(clnum))
  endif

" At the start of the file use zero indent.
  if lnum == 0
    return 0
  endif

" Set up variables for the previous line.
  let line = getline(lnum)
  let ind = indent(lnum)

if g:ruby_indent_access_modifier_style == 'indent'
    " If the previous line was a private/protected keyword, add a
    " level of indent.
    if s:Match(lnum, s:indent_access_modifier_regex)
      return indent(lnum) + sw
    endif
  elseif g:ruby_indent_access_modifier_style == 'outdent'
    " If the previous line was a private/protected/public keyword, add
    " a level of indent, since the keyword has been out-dented.
    if s:Match(lnum, s:access_modifier_regex)
      return indent(lnum) + sw
    endif
  endif

if s:Match(lnum, s:continuable_regex) && s:Match(lnum, s:continuation_regex)
    return indent(s:GetMSL(lnum)) + sw + sw
  endif

" If the previous line ended with a block opening, add a level of indent.
  if s:Match(lnum, s:block_regex)
    let msl = s:GetMSL(lnum)

if g:ruby_indent_block_style == 'do'
      " don't align to the msl, align to the "do"
      let ind = indent(lnum) + sw
    elseif getline(msl) =~ '=\s*$#.*$\=$'
      " in the case of assignment to the msl, align to the starting line,
      " not to the msl
      let ind = indent(lnum) + sw
    else
      let ind = indent(msl) + sw
    endif
    return ind
  endif

" If the previous line started with a leading operator, use its MSL's level
  " of indent
  if s:Match(lnum, s:leading_operator_regex)
    return indent(s:GetMSL(lnum))
  endif

" If the previous line ended with the "*" of a splat, add a level of indent
  if line =~ s:splat_regex
    return indent(lnum) + sw
  endif

" If the previous line contained unclosed opening brackets and we are still
  " in them, find the rightmost one and add indent depending on the bracket
  " type.
  "
  " If it contained hanging closing brackets, find the rightmost one, find its
  " match and indent according to that.
  if line =~ '[[({]' || line =~ '[])}]\s*\%(#.*\)\=$'
    let [opening, closing] = s:ExtraBrackets(lnum)

if opening.pos != -1
      if opening.type == '(' && searchpair('(', '', ')', 'bW', s:skip_expr) > 0
        if col('.') + 1 == col('$')
          return ind + sw
        else
          return virtcol('.')
        endif
      else
        let nonspace = matchend(line, '\S', opening.pos + 1) - 1
        return nonspace > 0 ? nonspace : ind + sw
      endif
    elseif closing.pos != -1
      call cursor(lnum, closing.pos + 1)
      normal! %

if s:Match(line('.'), s:ruby_indent_keywords)
        return indent('.') + sw
      else
        return indent(s:GetMSL(line('.')))
      endif
    else
      call cursor(clnum, vcol)
    end
  endif

" If the previous line ended with an "end", match that "end"s beginning's
  " indent.
  let col = s:Match(lnum, '\%(^\|[^.:@$]\)\<end\>\s*\%(#.*\)\=$')
  if col > 0
    call cursor(lnum, col)
    if searchpair(s:end_start_regex, '', s:end_end_regex, 'bW',
          \ s:end_skip_expr) > 0
      let n = line('.')
      let ind = indent('.')
      let msl = s:GetMSL(n)
      if msl != n
        let ind = indent(msl)
      end
      return ind
    endif
  end

let col = s:Match(lnum, s:ruby_indent_keywords)
  if col > 0
    call cursor(lnum, col)
    let ind = virtcol('.') - 1 + sw
    " TODO: make this better (we need to count them) (or, if a searchpair
    " fails, we know that something is lacking an end and thus we indent a
    " level
    if s:Match(lnum, s:end_end_regex)
      let ind = indent('.')
    endif
    return ind
  endif

" 3.4. Work on the MSL line. {{{2
  " --------------------------

" Set up variables to use and search for MSL to the previous line.
  let p_lnum = lnum
  let lnum = s:GetMSL(lnum)

" If the previous line wasn't a MSL.
  if p_lnum != lnum
    " If previous line ends bracket and begins non-bracket continuation decrease indent by 1.
    if s:Match(p_lnum, s:bracket_switch_continuation_regex)
      return ind - 1
    " If previous line is a continuation return its indent.
    " TODO: the || s:IsInString() thing worries me a bit.
    elseif s:Match(p_lnum, s:non_bracket_continuation_regex) || s:IsInString(p_lnum,strlen(line))
      return ind
    endif
  endif

" Set up more variables, now that we know we wasn't continuation bound.
  let line = getline(lnum)
  let msl_ind = indent(lnum)

" If the MSL line had an indenting keyword in it, add a level of indent.
  " TODO: this does not take into account contrived things such as
  " module Foo; class Bar; end
  if s:Match(lnum, s:ruby_indent_keywords)
    let ind = msl_ind + sw
    if s:Match(lnum, s:end_end_regex)
      let ind = ind - sw
    endif
    return ind
  endif

" If the previous line ended with [*+/.,-=], but wasn't a block ending or a
  " closing bracket, indent one extra level.
  if s:Match(lnum, s:non_bracket_continuation_regex) && !s:Match(lnum, '^\s*$[\])}]\|end$')
    if lnum == p_lnum
      let ind = msl_ind + sw
    else
      let ind = msl_ind
    endif
    return ind
  endif

" }}}2

return ind
endfunction

" }}}1

let &cpo = s:cpo_save
unlet s:cpo_save

" vim:set sw=2 sts=2 ts=8 et:

cmd: