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annotate runtime/indent/j.vim @ 18486:9d887cad7315

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Added tag v8.1.2237 for changeset 63ee3c2b140fe1b4801389872a8e47aec19d028b
author Bram Moolenaar <Bram@vim.org>
date Thu, 31 Oct 2019 20:00:04 +0100
parents 198e1e498edf
children cb3163d590a1
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
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ab1508486b12 Update runtime files. Add support for J.
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1 " Vim indent file
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2 " Language: J
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3 " Maintainer: David Bürgin <676c7473@gmail.com>
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4 " URL: https://github.com/glts/vim-j
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5 " Last Change: 2015-01-11
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6
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7 if exists('b:did_indent')
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8 finish
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9 endif
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10 let b:did_indent = 1
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11
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12 setlocal indentexpr=GetJIndent()
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13 setlocal indentkeys-=0{,0},:,0#
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14 setlocal indentkeys+=0),0<:>,=case.,=catch.,=catchd.,=catcht.,=do.,=else.,=elseif.,=end.,=fcase.
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15
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16 let b:undo_indent = 'setlocal indentkeys< indentexpr<'
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17
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18 if exists('*GetJIndent')
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19 finish
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20 endif
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21
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22 " If g:j_indent_definitions is true, the bodies of explicit definitions of
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23 " adverbs, conjunctions, and verbs will be indented. Default is false (0).
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24 if !exists('g:j_indent_definitions')
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25 let g:j_indent_definitions = 0
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26 endif
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27
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28 function GetJIndent() abort
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29 let l:prevlnum = prevnonblank(v:lnum - 1)
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30 if l:prevlnum == 0
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31 return 0
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32 endif
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33 let l:indent = indent(l:prevlnum)
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34 let l:prevline = getline(l:prevlnum)
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35 if l:prevline =~# '^\s*\%(case\|catch[dt]\=\|do\|else\%(if\)\=\|fcase\|for\%(_\a\k*\)\=\|if\|select\|try\|whil\%(e\|st\)\)\.\%(\%(\<end\.\)\@!.\)*$'
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36 " Increase indentation after an initial control word that starts or
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37 " continues a block and is not terminated by "end."
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38 let l:indent += shiftwidth()
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39 elseif g:j_indent_definitions && (l:prevline =~# '\<\%([1-4]\|13\|adverb\|conjunction\|verb\|monad\|dyad\)\s\+\%(:\s*0\|def\s\+0\|define\)\>' || l:prevline =~# '^\s*:\s*$')
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40 " Increase indentation in explicit definitions of adverbs, conjunctions,
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41 " and verbs
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42 let l:indent += shiftwidth()
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43 endif
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44 " Decrease indentation in lines that start with either control words that
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45 " continue or end a block, or the special items ")" and ":"
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46 if getline(v:lnum) =~# '^\s*\%()\|:\|\%(case\|catch[dt]\=\|do\|else\%(if\)\=\|end\|fcase\)\.\)'
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47 let l:indent -= shiftwidth()
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48 endif
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49 return l:indent
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50 endfunction