2019-03-04 03:28:35 -05:00
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if exists('g:polyglot_disabled') && index(g:polyglot_disabled, 'pony') != -1
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finish
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endif
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2018-12-26 14:33:28 -05:00
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" Vim plugin file
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" Language: Pony
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" Maintainer: Jak Wings
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" TODO: Make sure echomsg is off for release.
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let s:cpo_save = &cpo
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set cpo&vim
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"let s:skip = '<SID>InCommentOrLiteral(line("."), col("."))'
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let s:skip2 = '<SID>InLiteral(line("."), col(".")) || <SID>InComment(line("."), col(".")) == 1'
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let s:skip3 = '!<SID>InKeyword(line("."), col("."))'
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let s:skip4 = '!<SID>InBracket(line("."), col("."))'
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let s:cfstart = '\v<%(ifdef|if|match|while|for|repeat|try|with|recover|object|lambda|iftype)>'
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let s:cfmiddle = '\v<%(then|elseif|else|until|do|in|elseiftype)>|\|'
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let s:cfend = '\v<end>'
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let s:bstartp = '\v<%(ifdef|if|then|elseif|else|(match)|while|for|in|do|try|with|recover|repeat|until|(object)|lambda|iftype|elseiftype)>'
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function! pony#Indent()
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if v:lnum <= 1
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return 0
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endif
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call cursor(v:lnum, 1)
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let l:pnzpos = searchpos('.', 'cbnW')
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if l:pnzpos == [0, 0]
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return 0
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endif
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if s:InComment2(l:pnzpos) > 1
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"echomsg 'Comment' (l:pnzpos[0] . '-' . v:lnum) -1
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return cindent(v:lnum)
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endif
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if s:InLiteral2(l:pnzpos)
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"echomsg 'String' (l:pnzpos[0] . '-' . v:lnum) -1
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return -1
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endif
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unlet! l:pnzpos
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" NOTE: Lines started in comments and strings are checked already.
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let l:pnblnum = s:PrevNonblank(v:lnum - 1)
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if l:pnblnum < 1
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return 0
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endif
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let l:pnbline = getline(l:pnblnum)
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let l:pnbindent = indent(l:pnblnum)
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let l:line = getline(v:lnum)
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let l:indent = l:pnbindent
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let l:shiftwidth = shiftwidth()
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" FIXME?
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let l:continuing = 0
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" If the previous line ends with a unary or binary operator,
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if s:IsContinued(l:pnblnum)
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let l:contlnum = l:pnblnum
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let l:ppcontinued = 0
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let l:ppnblnum = s:PrevNonblank(l:pnblnum - 1)
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while s:IsContinued(l:ppnblnum)
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let l:ppcontinued += 1
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let l:contlnum = l:ppnblnum
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let l:ppnblnum = s:PrevNonblank(l:ppnblnum - 1)
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endwhile
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"echomsg 'Continued1' l:pnblnum l:contlnum
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" If the previous line is also continuing another line,
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if l:ppcontinued
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let l:continuing = 1
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if getline(l:contlnum) =~# '\v^\s*%(actor|class|struct|primitive|trait|type|interface)>'
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" reset the indent level.
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"echomsg 'Continuing0' (l:contlnum . '-' . v:lnum) (l:shiftwidth * 2)
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let l:indent = l:shiftwidth * 2
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else
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" keep using the previous indent.
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"echomsg 'Continuing1' (l:pnblnum . '-' . v:lnum) l:pnbindent
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let l:indent = l:pnbindent
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endif
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" if the previous line is part of the definition of a class,
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elseif l:pnbline =~# '\v^\s*%(actor|class|struct|primitive|trait|type|interface)>'
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" reset the indent level.
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"echomsg 'Continuing2' (l:pnblnum . '-' . v:lnum) (l:shiftwidth * 2)
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let l:continuing = 1
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let l:indent = l:shiftwidth * 2
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" if the previous line is part of the definition of a method,
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elseif l:pnbline =~# '\v^\s*%(fun|new|be)>'
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" reset the indent level.
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"echomsg 'Continuing3' (l:pnblnum . '-' . v:lnum) (l:pnbindent + l:shiftwidth)
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let l:continuing = 1
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let l:indent = l:pnbindent + l:shiftwidth
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" if the previous line is the start of a definition body,
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elseif l:pnbline =~# '=>\s*$'
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" indent this line.
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"echomsg 'Continuing4' (l:pnblnum . '-' . v:lnum) (l:pnbindent + l:shiftwidth)
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let l:continuing = 1
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let l:indent = l:pnbindent + l:shiftwidth
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else
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" indent this line twice as far.
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"echomsg 'Continuing5' (l:pnblnum . '-' . v:lnum) (l:pnbindent + l:shiftwidth * 2)
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let l:continuing = 1
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let l:indent = l:pnbindent + l:shiftwidth * 2
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endif
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unlet! l:contlnum l:ppnblnum l:ppcontinued
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endif
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" If this line starts a document string,
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if !l:continuing && l:line =~# '^\s*"""'
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let l:ppnblnum = s:PrevNonblank(l:pnblnum - 1)
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if s:IsContinued(l:ppnblnum)
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let l:contlnum = l:ppnblnum
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while s:IsContinued(l:ppnblnum)
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let l:contlnum = l:ppnblnum
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let l:ppnblnum = s:PrevNonblank(l:ppnblnum - 1)
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endwhile
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if getline(l:contlnum) =~# '\v^\s*%(actor|class|struct|primitive|trait|type|interface)>'
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" reset the indent level.
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"echomsg 'DocString' (l:contlnum . '-' . v:lnum) l:shiftwidth
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return l:shiftwidth
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endif
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endif
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unlet! l:contlnum l:ppnblnum
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endif
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" If the previous line contains an unmatched opening bracket
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if !l:continuing && l:pnbline =~# '[{[(]'
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" if the line ends with an opening bracket,
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if l:pnbline =~# '[{[(]\s*$' && !s:InCommentOrLiteral(l:pnblnum, col([l:pnblnum, '$']) - 1)
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" indent this line.
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let l:indent += l:shiftwidth
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else
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" find the unmatched opening bracket,
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let l:start = [0, 0]
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let l:end = col([l:pnblnum, '$']) - 1
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call cursor(l:pnblnum, l:end)
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while l:end > 0
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let l:start = s:OuterPos(l:start, searchpairpos('(', '', ')', 'bnW', s:skip4, l:pnblnum))
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let l:start = s:OuterPos(l:start, searchpairpos('\[', '', '\]', 'bnW', s:skip4, l:pnblnum))
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let l:start = s:OuterPos(l:start, searchpairpos('{', '', '}', 'bnW', s:skip4, l:pnblnum))
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if l:start == [0, 0]
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break
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endif
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" find the matched closing bracket on the same line,
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call cursor(l:start[0], l:start[1])
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let l:c = s:CharAtCursor(l:start[0], l:start[1])
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if searchpair(escape(l:c, '['), '', escape(tr(l:c, '([{', ')]}'), ']'),
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\ 'znW', s:skip4, l:pnblnum) < 1
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" the unmatched opening bracket is found,
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break
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endif
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let l:end = l:start[1]
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let l:start = [0, 0]
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endwhile
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if l:start != [0, 0]
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" indent this line.
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"echomsg 'Open bracket' (l:pnblnum . '-' . v:lnum) (l:indent + l:shiftwidth)
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let l:indent += l:shiftwidth
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endif
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endif
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unlet! l:start l:end l:c
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endif
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" If there is a matched closing bracket on the previous line,
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" NOTE:
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" >|[
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" | (1 -
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" | 1) * 2]
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" | command
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" ^
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if !l:continuing
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call cursor(l:pnblnum, 1)
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" find the last closing bracket,
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let l:end = [0, 0]
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let l:end = s:OuterPos(l:end, searchpairpos('(', '', ')', 'zncr', s:skip4, l:pnblnum))
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let l:end = s:OuterPos(l:end, searchpairpos('\[', '', '\]', 'zncr', s:skip4, l:pnblnum))
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let l:end = s:OuterPos(l:end, searchpairpos('{', '', '}', 'zncr', s:skip4, l:pnblnum))
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if l:end != [0, 0]
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" find the matched opening bracket on another line,
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let l:c = s:CharAtCursor(l:end[0], l:end[1])
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let l:start = searchpairpos(escape(tr(l:c, ')]}', '([{'), '['), '', escape(l:c, ']'), 'nbW', s:skip4)
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if l:start[0] != l:end[0]
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" and then this line has the same indent as the line the matched bracket stays.
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"echomsg 'Matched bracket' (l:start[0] . '-' . v:lnum) indent(l:start[0])
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let l:indent = indent(l:start[0])
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endif
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endif
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unlet! l:start l:end l:c
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endif
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" If there is a matched closing bracket on this line,
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" NOTE:
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" |[
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" >| (1 -
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" | 1) * 2
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" |]
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" ^ ^
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if l:line =~# '^\s*[)\]}]'
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" find the first closing bracket,
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call cursor(v:lnum, 1)
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let l:end = [0, 0]
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let l:end = s:InnerPos(l:end, searchpairpos('(', '', ')', 'zncW', s:skip4, v:lnum))
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let l:end = s:InnerPos(l:end, searchpairpos('\[', '', '\]', 'zncW', s:skip4, v:lnum))
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let l:end = s:InnerPos(l:end, searchpairpos('{', '', '}', 'zncW', s:skip4, v:lnum))
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if l:end != [0, 0]
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" find the matched opening bracket on another line,
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let l:c = s:CharAtCursor(l:end[0], l:end[1])
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let l:start = searchpairpos(escape(tr(l:c, ')]}', '([{'), '['), '', escape(l:c, ']'), 'nbW', s:skip4)
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if l:start[0] != l:end[0]
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" and then this line has the same indent as the line the matched bracket stays.
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"echomsg 'Closing Bracket' (l:start[0] . '-' . v:lnum) indent(l:start[0])
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let l:indent = indent(l:start[0])
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endif
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endif
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unlet! l:start l:end l:c
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endif
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" If this line starts the definition of a method, closure or match case,
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if l:line =~# '^\s*=>'
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" find the start of the definition,
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call cursor(v:lnum, 1)
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let l:start = searchpairpos('\v<%(new|be|fun|lambda)>|\|', '', '=>\zs', 'bnW', s:skip3)
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if l:start != [0, 0]
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" then this line has the same indent as the start.
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"echomsg 'Method body' (l:start[0] . '-' . v:lnum) indent(l:start[0])
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return indent(l:start[0])
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endif
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unlet! l:start
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endif
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" If this line starts a class definition or starts an alias,
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if l:line =~# '\v^\s*%(actor|class|struct|primitive|trait|interface|use|type)>'
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" reset the indent level.
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return 0
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endif
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" If this line starts a method definition,
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if l:line =~# '\v^\s*%(new|be|fun)>'
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call cursor(v:lnum, 1)
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let l:start = searchpairpos(s:cfstart, s:cfmiddle, s:cfend, 'bW', s:skip3)
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if l:start != [0, 0]
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let l:start = searchpos(s:bstartp, 'zcnpW', l:start[0])
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" see if it is in an object block,
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if l:start[2] == 3
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"echomsg 'Method in object' (l:start[0] . '-' . v:lnum) (l:shiftwidth + indent(l:start[0]))
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return l:shiftwidth + indent(l:start[0])
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endif
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endif
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return l:shiftwidth
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endif
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" If this line starts a match case,
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call cursor(v:lnum, 1)
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if l:line =~# '^\s*|' && s:InKeyword(searchpos('|', 'znW', v:lnum))
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|
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" find the start or the previous case of the match block,
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let l:start = searchpairpos(s:cfstart, s:cfmiddle, s:cfend, 'bnW', s:skip3)
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if l:start != [0, 0]
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|
" then this line has the same indent as the start.
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|
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"echomsg 'Match case' (l:start[0] . '-' . v:lnum) indent(l:start[0])
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return indent(l:start[0])
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endif
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unlet! l:start
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endif
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|
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" If this line ends (part of) a control flow,
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if l:line =~# '\v^\s*%(end|elseif|else|then|in|do|until|elseiftype)>'
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|
|
" find the start or middle of the control block,
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call cursor(v:lnum, 1)
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let l:start = searchpairpos(s:cfstart, s:cfmiddle, s:cfend, 'bnW', s:skip3)
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|
|
if l:start != [0, 0]
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|
|
" then this line has the same indent as the start.
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|
|
"echomsg 'Block end' (l:start[0] . '-' . v:lnum) indent(l:start[0])
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return indent(l:start[0])
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endif
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unlet! l:start
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|
endif
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|
|
|
|
|
" If the previous line starts a class definition,
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|
|
if l:pnbline =~# '\v^\s*%(actor|class|struct|primitive|trait|type|interface)>'
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|
|
" reset the indent level.
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|
|
if s:IsContinued(l:pnblnum)
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|
|
return l:shiftwidth * 2
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|
else
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|
return l:shiftwidth
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|
endif
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endif
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|
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|
|
" If the previous line starts a method definition,
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|
|
if l:pnbline =~# '\v^\s*%(new|be|fun)>'
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|
return l:pnbindent + l:shiftwidth
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|
endif
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|
|
" If the previous line starts (part of) a control flow,
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|
call cursor(l:pnblnum, 1)
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|
|
while 1
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|
|
" find the start of the control block,
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|
|
let l:start = searchpos(s:bstartp, 'zcepW', l:pnblnum)
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|
|
if l:start[2] == 0
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|
|
break
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|
endif
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|
|
if !s:InKeyword(l:start[0:1])
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|
|
call cursor(l:pnblnum, l:start[1] + 3)
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|
|
continue
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|
endif
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|
|
let l:index = l:start[2]
|
|
|
|
" find the end of the control block on the same line,
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|
|
|
let l:end = searchpair(s:cfstart, '', s:cfend, 'znW', s:skip3, l:pnblnum)
|
|
|
|
" if the control block is not ended,
|
|
|
|
if l:end < 1
|
|
|
|
" if this line is a case for a match,
|
|
|
|
if l:index == 2 && l:line =~# '^\s*|'
|
|
|
|
" then this line has the same indent as the start of the match block.
|
|
|
|
return l:pnbindent
|
|
|
|
else
|
|
|
|
" then indent this line.
|
|
|
|
"echomsg 'Block start' (l:pnblnum . '-' . v:lnum) (l:pnbindent + l:shiftwidth)
|
|
|
|
return l:pnbindent + l:shiftwidth
|
|
|
|
endif
|
|
|
|
endif
|
|
|
|
endwhile
|
|
|
|
|
|
|
|
unlet! l:start l:end l:index
|
|
|
|
|
|
|
|
return l:indent
|
|
|
|
endfunction
|
|
|
|
|
|
|
|
function! s:PrevNonblank(lnum)
|
|
|
|
let l:lnum = prevnonblank(a:lnum)
|
|
|
|
while l:lnum > 0 && (s:InComment2(l:lnum, 1) || s:InLiteral2(l:lnum, 1))
|
|
|
|
let l:lnum = prevnonblank(l:lnum - 1)
|
|
|
|
endwhile
|
|
|
|
return l:lnum
|
|
|
|
endfunction
|
|
|
|
|
|
|
|
" NOTE:
|
|
|
|
" v
|
|
|
|
" |1 /* comment */
|
|
|
|
" |2
|
|
|
|
function! s:IsContinued(lnum)
|
|
|
|
let l:lnum = s:PrevNonblank(a:lnum)
|
|
|
|
if l:lnum < 1
|
|
|
|
return 0
|
|
|
|
endif
|
|
|
|
let l:line = getline(l:lnum)
|
|
|
|
let l:width = strwidth(substitute(l:line, '\s*$', '', ''))
|
|
|
|
" FIXME?
|
|
|
|
" | 1 + //
|
|
|
|
" | //
|
|
|
|
" | 2
|
|
|
|
return !s:InCommentOrLiteral(a:lnum, l:width)
|
|
|
|
\ && (l:line =~# '\v<%(and|or|xor|is|isnt|as|not|consume|addressof|digestof)\s*$'
|
|
|
|
\ || l:line =~# '\v%([=\-.]\>|[<!=>]\=\~?|\<\<\~?|\>\>\~?|\<:|[+\-*/%<>]\~?|[.,|:@~])\s*$'
|
|
|
|
\ )
|
|
|
|
endfunction
|
|
|
|
|
|
|
|
function! s:InCommentOrLiteral(...)
|
|
|
|
return call('s:InComment', a:000) || call('s:InLiteral', a:000)
|
|
|
|
endfunction
|
|
|
|
|
|
|
|
function! s:InKeyword(...)
|
|
|
|
let [l:lnum, l:col] = (type(a:1) == type([]) ? a:1 : a:000)
|
|
|
|
for id in s:Or(synstack(l:lnum, l:col), [])
|
|
|
|
if synIDattr(id, 'name') =~# '^ponyKw'
|
|
|
|
return 1
|
|
|
|
endif
|
|
|
|
endfor
|
|
|
|
return 0
|
|
|
|
endfunction
|
|
|
|
|
|
|
|
function! s:InBracket(...)
|
|
|
|
let [l:lnum, l:col] = (type(a:1) == type([]) ? a:1 : a:000)
|
|
|
|
for id in s:Or(synstack(l:lnum, l:col), [])
|
|
|
|
if synIDattr(id, 'name') ==# 'ponyBracket'
|
|
|
|
return 1
|
|
|
|
endif
|
|
|
|
endfor
|
|
|
|
return 0
|
|
|
|
endfunction
|
|
|
|
|
|
|
|
function! s:InComment(...)
|
|
|
|
let [l:lnum, l:col] = (type(a:1) == type([]) ? a:1 : a:000)
|
|
|
|
let l:stack = synstack(l:lnum, l:col)
|
|
|
|
let l:i = len(l:stack)
|
|
|
|
while l:i > 0
|
|
|
|
let l:sname = synIDattr(l:stack[l:i - 1], 'name')
|
|
|
|
if l:sname =~# '^ponyNestedCommentX\?$'
|
|
|
|
return 1 + l:i - (l:sname =~# 'X$')
|
|
|
|
elseif l:sname =~# '^ponyCommentX\?$'
|
|
|
|
return 1
|
|
|
|
endif
|
|
|
|
let l:i -= 1
|
|
|
|
endwhile
|
|
|
|
return 0
|
|
|
|
endfunction
|
|
|
|
|
|
|
|
function! s:InLiteral(...)
|
|
|
|
let [l:lnum, l:col] = (type(a:1) == type([]) ? a:1 : a:000)
|
|
|
|
let l:stack = synstack(l:lnum, l:col)
|
|
|
|
let l:i = len(l:stack)
|
|
|
|
while l:i > 0
|
|
|
|
let l:sname = synIDattr(l:stack[l:i - 1], 'name')
|
|
|
|
if l:sname =~# '^ponyDocumentStringX\?$'
|
|
|
|
return 3
|
|
|
|
elseif l:sname =~# '^ponyStringX\?$'
|
|
|
|
return 2
|
|
|
|
elseif l:sname =~# '^ponyCharacterX\?$'
|
|
|
|
return 1
|
|
|
|
endif
|
|
|
|
let l:i -= 1
|
|
|
|
endwhile
|
|
|
|
return 0
|
|
|
|
endfunction
|
|
|
|
|
|
|
|
" NOTE:
|
|
|
|
" |// //inside
|
|
|
|
" ^^^^^^^^^^
|
|
|
|
" |/* /*inside*/ */
|
|
|
|
" ^^^^^^^^^^^^^^
|
|
|
|
function! s:InComment2(...)
|
|
|
|
let [l:lnum, l:col] = (type(a:1) == type([]) ? a:1 : a:000)
|
|
|
|
let l:stack = synstack(l:lnum, l:col)
|
|
|
|
let l:i = len(l:stack)
|
|
|
|
while l:i > 0
|
|
|
|
let l:sname = synIDattr(l:stack[l:i - 1], 'name')
|
|
|
|
if l:sname ==# 'ponyNestedComment'
|
|
|
|
return 1 + l:i
|
|
|
|
elseif l:sname ==# 'ponyComment'
|
|
|
|
return 1
|
|
|
|
elseif l:sname =~# '\v^pony%(Nested)?CommentX$'
|
|
|
|
return 0
|
|
|
|
endif
|
|
|
|
let l:i -= 1
|
|
|
|
endwhile
|
|
|
|
return 0
|
|
|
|
endfunction
|
|
|
|
|
|
|
|
" NOTE:
|
|
|
|
" |"inside"
|
|
|
|
" ^^^^^^
|
|
|
|
" |"""inside"""""
|
|
|
|
" ^^^^^^^^^^^^
|
|
|
|
function! s:InLiteral2(...)
|
|
|
|
let [l:lnum, l:col] = (type(a:1) == type([]) ? a:1 : a:000)
|
|
|
|
let l:stack = synstack(l:lnum, l:col)
|
|
|
|
let l:i = len(l:stack)
|
|
|
|
while l:i > 0
|
|
|
|
let l:sname = synIDattr(l:stack[l:i - 1], 'name')
|
|
|
|
if l:sname ==# 'ponyDocumentString'
|
|
|
|
return 3
|
|
|
|
elseif l:sname ==# 'ponyString'
|
|
|
|
return 2
|
|
|
|
elseif l:sname ==# 'ponyCharacter'
|
|
|
|
return 1
|
|
|
|
elseif l:sname =~# '\v^pony%(DocumentString|String|Character)X$'
|
|
|
|
return 0
|
|
|
|
endif
|
|
|
|
let l:i -= 1
|
|
|
|
endwhile
|
|
|
|
return 0
|
|
|
|
endfunction
|
|
|
|
|
|
|
|
function! s:CharAtCursor(...)
|
|
|
|
let [l:lnum, l:col] = (type(a:1) == type([]) ? a:1 : a:000)
|
|
|
|
return matchstr(getline(l:lnum), '\%' . l:col . 'c.')
|
|
|
|
endfunction
|
|
|
|
|
|
|
|
function! s:Or(x, y)
|
|
|
|
return !empty(a:x) ? a:x : a:y
|
|
|
|
endfunction
|
|
|
|
|
|
|
|
function! s:InnerPos(x, y)
|
|
|
|
if a:x == [0, 0]
|
|
|
|
return a:y
|
|
|
|
elseif a:y == [0, 0]
|
|
|
|
return a:x
|
|
|
|
else
|
|
|
|
return a:x[1] < a:y[1] ? a:x : a:y
|
|
|
|
end
|
|
|
|
endfunction
|
|
|
|
|
|
|
|
function! s:OuterPos(x, y)
|
|
|
|
if a:x == [0, 0]
|
|
|
|
return a:y
|
|
|
|
elseif a:y == [0, 0]
|
|
|
|
return a:x
|
|
|
|
else
|
|
|
|
return a:x[1] > a:y[1] ? a:x : a:y
|
|
|
|
end
|
|
|
|
endfunction
|
|
|
|
|
|
|
|
function! pony#ClearTrailingSpace(all, alt, ...)
|
|
|
|
let l:force = (a:0 > 0 ? a:1 : 0)
|
|
|
|
if !l:force && (&readonly || !&modifiable || !&modified)
|
|
|
|
return
|
|
|
|
endif
|
|
|
|
if a:all
|
|
|
|
for lnum in range(1, line('$'))
|
|
|
|
let l:line = getline(lnum)
|
|
|
|
let l:end = col([lnum, '$']) - 1
|
|
|
|
if l:end > 0 && l:line =~# '\s$' && !s:InLiteral(lnum, l:end)
|
|
|
|
if a:alt
|
|
|
|
call setline(lnum, substitute(l:line, '\S\@<=\s\s*$', '', ''))
|
|
|
|
else
|
|
|
|
call setline(lnum, substitute(l:line, '\s\+$', '', ''))
|
|
|
|
endif
|
|
|
|
endif
|
|
|
|
endfor
|
|
|
|
else
|
|
|
|
let l:lnum = line('.')
|
|
|
|
let l:end = col('$') - 1
|
|
|
|
let l:line = getline(l:lnum)
|
|
|
|
if l:line =~# '\s$' && !s:InLiteral(l:lnum, l:end)
|
|
|
|
if a:alt
|
|
|
|
call setline(l:lnum, substitute(l:line, '\s\+$', '', ''))
|
|
|
|
else
|
|
|
|
call setline(l:lnum, substitute(l:line, '\S\@<=\s\s*$', '', ''))
|
|
|
|
endif
|
|
|
|
endif
|
|
|
|
endif
|
|
|
|
endfunction
|
|
|
|
|
|
|
|
|
|
|
|
let &cpo = s:cpo_save
|
|
|
|
unlet s:cpo_save
|