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7
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1 " Vim indent file
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856
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2 " Language: YACC input file
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839
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3 " Maintainer: Nikolai Weibull <now@bitwi.se>
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4 " Latest Revision: 2006-04-19
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7
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5
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6 " Only load this indent file when no other was loaded.
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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
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11 let b:did_indent = 1
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12
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13 setlocal indentexpr=GetYaccIndent()
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14 setlocal indentkeys=!^F,o,O
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15
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16 " Only define the function once.
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17 if exists("*GetYaccIndent")
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18 finish
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19 endif
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20
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21 function GetYaccIndent()
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22 if v:lnum == 1
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23 return 0
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24 endif
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25
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26 let ind = indent(v:lnum - 1)
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27 let line = getline(v:lnum - 1)
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28
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29 if line == ''
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30 let ind = 0
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31 elseif line =~ '^\w\+\s*:'
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32 let ind = ind + matchend(line, '^\w\+\s*')
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33 elseif line =~ '^\s*;'
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34 let ind = 0
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35 else
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36 let ind = indent(v:lnum)
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37 endif
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38
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39 return ind
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40 endfunction
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