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1 " Vim indent file
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2 " Language: YACC input file
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3 " Maintainer: Nikolai Weibull <source@pcppopper.org>
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4 " URL: http://www.pcppopper.org/vim/indent/pcp/yacc/
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5 " Latest Revision: 2004-04-25
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6 " arch-tag: 629aa719-8fe4-4787-adb7-ae94ca801610
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7
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8 " Only load this indent file when no other was loaded.
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9 if exists("b:did_indent")
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10 finish
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11 endif
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12
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13 let b:did_indent = 1
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14
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15 setlocal indentexpr=GetYaccIndent()
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16 setlocal indentkeys=!^F,o,O
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17
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18 " Only define the function once.
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19 if exists("*GetYaccIndent")
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20 finish
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21 endif
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22
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23 function GetYaccIndent()
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24 if v:lnum == 1
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25 return 0
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26 endif
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27
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28 let ind = indent(v:lnum - 1)
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29 let line = getline(v:lnum - 1)
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30
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31 if line == ''
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32 let ind = 0
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33 elseif line =~ '^\w\+\s*:'
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34 let ind = ind + matchend(line, '^\w\+\s*')
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35 elseif line =~ '^\s*;'
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36 let ind = 0
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37 else
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38 let ind = indent(v:lnum)
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39 endif
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40
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41 return ind
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42 endfunction
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43
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44 " vim: set sts=2 sw=2:
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