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7
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1 " Vim indent file
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1224
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2 " Language: Autoconf configure.{ac,in} file
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3 " Maintainer: Nikolai Weibull <now@bitwi.se>
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4 " Latest Revision: 2006-12-20
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5 " TODO: how about nested [()]'s in one line
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6 " what's wrong with '\\\@!'?
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7
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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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1224
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13 runtime! indent/sh.vim " will set b:did_indent
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7
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14
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15 setlocal indentexpr=GetConfigIndent()
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16 setlocal indentkeys=!^F,o,O,=then,=do,=else,=elif,=esac,=fi,=fin,=fil,=done
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1224
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17 setlocal nosmartindent
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7
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18
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19 " Only define the function once.
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20 if exists("*GetConfigIndent")
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21 finish
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22 endif
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23
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24 " get the offset (indent) of the end of the match of 'regexp' in 'line'
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25 function s:GetOffsetOf(line, regexp)
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26 let end = matchend(a:line, a:regexp)
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27 let width = 0
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28 let i = 0
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29 while i < end
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30 if a:line[i] != "\t"
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31 let width = width + 1
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32 else
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33 let width = width + &ts - (width % &ts)
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34 endif
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35 let i = i + 1
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36 endwhile
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37 return width
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38 endfunction
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39
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40 function GetConfigIndent()
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41 " Find a non-blank line above the current line.
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42 let lnum = prevnonblank(v:lnum - 1)
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43
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44 " Hit the start of the file, use zero indent.
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45 if lnum == 0
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46 return 0
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47 endif
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48
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49 " where to put this
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50 let ind = GetShIndent()
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51 let line = getline(lnum)
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52
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53 " if previous line has unmatched, unescaped opening parentheses,
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54 " indent to its position. TODO: not failsafe if multiple ('s
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55 if line =~ '\\\@<!([^)]*$'
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56 let ind = s:GetOffsetOf(line, '\\\@!(')
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57 endif
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58
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59 " if previous line has unmatched opening bracket,
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60 " indent to its position. TODO: same as above
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61 if line =~ '\[[^]]*$'
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62 let ind = s:GetOffsetOf(line, '\[')
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63 endif
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64
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65 " if previous line had an unmatched closing parantheses,
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66 " indent to the matching opening parantheses
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809
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67 if line =~ '[^(]\+\\\@<!)$'
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7
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68 call search(')', 'bW')
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69 let lnum = searchpair('\\\@<!(', '', ')', 'bWn')
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70 let ind = indent(lnum)
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71 endif
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72
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73 " if previous line had an unmatched closing bracket,
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74 " indent to the matching opening bracket
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809
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75 if line =~ '[^[]\+]$'
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7
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76 call search(']', 'bW')
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77 let lnum = searchpair('\[', '', ']', 'bWn')
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78 let ind = indent(lnum)
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79 endif
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80
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81 return ind
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82 endfunction
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