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7
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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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9
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4 " Last Change: Fri, 18 Jun 2004 07:22:42 CEST
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7
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5
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6 if exists("b:did_indent")
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7 finish
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8 endif
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9 let b:did_indent = 1
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10
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11 setlocal indentexpr=VbGetIndent(v:lnum)
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12 setlocal indentkeys&
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9
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13 setlocal indentkeys+==~else,=~elseif,=~end,=~wend,=~case,=~next,=~select,=~loop,<:>
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7
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14
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15 " Only define the function once.
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16 if exists("*VbGetIndent")
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17 finish
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18 endif
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19
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20 fun! VbGetIndent(lnum)
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21 " labels and preprocessor get zero indent immediately
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22 let this_line = getline(a:lnum)
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23 let LABELS_OR_PREPROC = '^\s*\(\<\k\+\>:\s*$\|#.*\)'
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24 if this_line =~? LABELS_OR_PREPROC
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25 return 0
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26 endif
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27
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28 " Find a non-blank line above the current line.
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29 " Skip over labels and preprocessor directives.
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30 let lnum = a:lnum
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31 while lnum > 0
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32 let lnum = prevnonblank(lnum - 1)
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33 let previous_line = getline(lnum)
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34 if previous_line !~? LABELS_OR_PREPROC
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35 break
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36 endif
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37 endwhile
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38
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39 " Hit the start of the file, use zero indent.
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40 if lnum == 0
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41 return 0
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42 endif
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43
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44 let ind = indent(lnum)
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45
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46 " Add
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47 if previous_line =~? '^\s*\<\(begin\|\%(\%(private\|public\|friend\)\s\+\)\=\%(function\|sub\|property\)\|select\|case\|default\|if\>.\{-}\<then\>\s*$\|else\|elseif\|do\|for\|while\|enum\|with\)\>'
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48 let ind = ind + &sw
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49 endif
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50
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51 " Subtract
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52 if this_line =~? '^\s*\<end\>\s\+\<select\>'
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53 if previous_line !~? '^\s*\<select\>'
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54 let ind = ind - 2 * &sw
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55 else
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56 " this case is for an empty 'select' -- 'end select'
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57 " (w/o any case statements) like:
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58 "
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59 " select case readwrite
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60 " end select
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61 let ind = ind - &sw
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62 endif
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63 elseif this_line =~? '^\s*\<\(end\|else\|until\|loop\|next\|wend\)\>'
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64 let ind = ind - &sw
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65 elseif this_line =~? '^\s*\<\(case\|default\)\>'
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66 if previous_line !~? '^\s*\<select\>'
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67 let ind = ind - &sw
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68 endif
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69 endif
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70
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71 return ind
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72 endfun
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