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1 " Vim indent file
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2 " Language: VisualBasic (ft=vb) / Basic (ft=basic) / SaxBasic (ft=vb)
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3 " Author: Johannes Zellner <johannes@zellner.org>
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4 " Last Change: Fri, 18 Jun 2004 07:22:42 CEST
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39
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5 " Small update 2010 Jul 28 by Maxim Kim
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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 autoindent
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13 setlocal indentexpr=VbGetIndent(v:lnum)
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14 setlocal indentkeys&
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15 setlocal indentkeys+==~else,=~elseif,=~end,=~wend,=~case,=~next,=~select,=~loop,<:>
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16
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17 let b:undo_indent = "set ai< indentexpr< indentkeys<"
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18
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19 " Only define the function once.
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20 if exists("*VbGetIndent")
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21 finish
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22 endif
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23
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24 fun! VbGetIndent(lnum)
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25 " labels and preprocessor get zero indent immediately
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26 let this_line = getline(a:lnum)
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27 let LABELS_OR_PREPROC = '^\s*\(\<\k\+\>:\s*$\|#.*\)'
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28 if this_line =~? LABELS_OR_PREPROC
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29 return 0
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30 endif
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31
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32 " Find a non-blank line above the current line.
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33 " Skip over labels and preprocessor directives.
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34 let lnum = a:lnum
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35 while lnum > 0
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36 let lnum = prevnonblank(lnum - 1)
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37 let previous_line = getline(lnum)
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38 if previous_line !~? LABELS_OR_PREPROC
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39 break
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40 endif
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41 endwhile
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42
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43 " Hit the start of the file, use zero indent.
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44 if lnum == 0
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45 return 0
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46 endif
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47
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48 let ind = indent(lnum)
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49
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50 " Add
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39
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51 if previous_line =~? '^\s*\<\(begin\|\%(\%(private\|public\|friend\)\s\+\)\=\%(function\|sub\|property\)\|select\|case\|default\|if\|else\|elseif\|do\|for\|while\|enum\|with\)\>'
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0
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52 let ind = ind + &sw
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53 endif
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54
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55 " Subtract
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56 if this_line =~? '^\s*\<end\>\s\+\<select\>'
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57 if previous_line !~? '^\s*\<select\>'
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58 let ind = ind - 2 * &sw
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59 else
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60 " this case is for an empty 'select' -- 'end select'
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61 " (w/o any case statements) like:
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62 "
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63 " select case readwrite
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64 " end select
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65 let ind = ind - &sw
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66 endif
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67 elseif this_line =~? '^\s*\<\(end\|else\|elseif\|until\|loop\|next\|wend\)\>'
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0
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68 let ind = ind - &sw
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69 elseif this_line =~? '^\s*\<\(case\|default\)\>'
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70 if previous_line !~? '^\s*\<select\>'
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71 let ind = ind - &sw
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72 endif
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73 endif
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74
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75 return ind
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76 endfun
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77
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78 " vim:sw=4
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