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7
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1 " Vim indent file
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2 " Language: Dylan
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25880
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3 " Maintainer: Brent A. Fulgham <bfulgham@debian.org> (Invalid email address)
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4 " Doug Kearns <dougkearns@gmail.com>
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7
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5 " Version: 0.01
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28379
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6 " Last Change: 2022 Apr 06
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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 let b:did_indent = 1
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13
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14 setlocal indentkeys+==~begin,=~block,=~case,=~cleanup,=~define,=~end,=~else,=~elseif,=~exception,=~for,=~finally,=~if,=~otherwise,=~select,=~unless,=~while
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15
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16 " Define the appropriate indent function but only once
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17 setlocal indentexpr=DylanGetIndent()
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28379
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18
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19 let b:undo_indent = "setl inde< indk<"
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20
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7
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21 if exists("*DylanGetIndent")
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22 finish
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23 endif
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24
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25 function DylanGetIndent()
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26 " Get the line to be indented
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27 let cline = getline(v:lnum)
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28
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29 " Don't reindent comments on first column
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30 if cline =~ '^/\[/\*]'
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31 return 0
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32 endif
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33
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34 "Find the previous non-blank line
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35 let lnum = prevnonblank(v:lnum - 1)
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36 "Use zero indent at the top of the file
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37 if lnum == 0
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38 return 0
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39 endif
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40
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41 let prevline=getline(lnum)
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42 let ind = indent(lnum)
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43 let chg = 0
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44
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45 " If previous line was a comment, use its indent
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46 if prevline =~ '^\s*//'
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47 return ind
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48 endif
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49
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50 " If previous line was a 'define', indent
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51 if prevline =~? '\(^\s*\(begin\|block\|case\|define\|else\|elseif\|for\|finally\|if\|select\|unless\|while\)\|\s*\S*\s*=>$\)'
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11518
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52 let chg = shiftwidth()
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7
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53 " local methods indent the shift-width, plus 6 for the 'local'
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54 elseif prevline =~? '^\s*local'
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11518
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55 let chg = shiftwidth() + 6
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7
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56 " If previous line was a let with no closing semicolon, indent
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57 elseif prevline =~? '^\s*let.*[^;]\s*$'
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11518
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58 let chg = shiftwidth()
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7
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59 " If previous line opened a parenthesis, and did not close it, indent
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60 elseif prevline =~ '^.*(\s*[^)]*\((.*)\)*[^)]*$'
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61 return = match( prevline, '(.*\((.*)\|[^)]\)*.*$') + 1
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62 "elseif prevline =~ '^.*(\s*[^)]*\((.*)\)*[^)]*$'
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63 elseif prevline =~ '^[^(]*)\s*$'
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64 " This line closes a parenthesis. Find opening
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65 let curr_line = prevnonblank(lnum - 1)
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66 while curr_line >= 0
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67 let str = getline(curr_line)
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68 if str !~ '^.*(\s*[^)]*\((.*)\)*[^)]*$'
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69 let curr_line = prevnonblank(curr_line - 1)
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70 else
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71 break
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72 endif
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73 endwhile
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74 if curr_line < 0
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75 return -1
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76 endif
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77 let ind = indent(curr_line)
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78 " Although we found the closing parenthesis, make sure this
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79 " line doesn't start with an indentable command:
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80 let curr_str = getline(curr_line)
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81 if curr_str =~? '^\s*\(begin\|block\|case\|define\|else\|elseif\|for\|finally\|if\|select\|unless\|while\)'
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11518
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82 let chg = shiftwidth()
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7
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83 endif
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84 endif
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85
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86 " If a line starts with end, un-indent (even if we just indented!)
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87 if cline =~? '^\s*\(cleanup\|end\|else\|elseif\|exception\|finally\|otherwise\)'
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11518
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88 let chg = chg - shiftwidth()
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7
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89 endif
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90
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91 return ind + chg
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92 endfunction
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93
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94 " vim:sw=2 tw=130
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