annotate runtime/indent/zimbu.vim @ 27935:457a7fd87147

Added tag v8.2.4492 for changeset c8d6c2736796ad5d7a105ee4e4fb89b4e08bf105
author Bram Moolenaar <Bram@vim.org>
date Wed, 02 Mar 2022 21:00:03 +0100
parents 9c221ad9634a
children 4027cefc2aab
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
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1 " Vim indent file
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2 " Language: Zimbu
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3 " Maintainer: Bram Moolenaar <Bram@vim.org>
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4 " Last Change: 2021 Sep 26
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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 let b:did_indent = 1
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11
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12 setlocal ai nolisp nocin
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13 setlocal indentexpr=GetZimbuIndent(v:lnum)
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14 setlocal indentkeys=0{,0},!^F,o,O,0=ELSE,0=ELSEIF,0=CASE,0=DEFAULT,0=FINALLY
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15
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16 " We impose recommended defaults: no Tabs, 'shiftwidth' = 2
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17 setlocal sw=2 et
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18
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19 let b:undo_indent = "setl ai< cin< et< indentkeys< indentexpr< lisp< sw<"
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20
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21 " Only define the function once.
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22 if exists("*GetZimbuIndent")
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23 finish
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24 endif
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25
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26 let s:cpo_save = &cpo
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27 set cpo&vim
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28
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29 " Come here when loading the script the first time.
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30
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31 let s:maxoff = 50 " maximum number of lines to look backwards for ()
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32
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33 func GetZimbuIndent(lnum)
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34 let prevLnum = prevnonblank(a:lnum - 1)
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35 if prevLnum == 0
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36 " This is the first non-empty line, use zero indent.
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37 return 0
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38 endif
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39
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40 " Taken from Python indenting:
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41 " If the previous line is inside parenthesis, use the indent of the starting
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42 " line.
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43 " Trick: use the non-existing "dummy" variable to break out of the loop when
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44 " going too far back.
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45 call cursor(prevLnum, 1)
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46 let parlnum = searchpair('(\|{\|\[', '', ')\|}\|\]', 'nbW',
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47 \ "line('.') < " . (prevLnum - s:maxoff) . " ? dummy :"
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48 \ . " synIDattr(synID(line('.'), col('.'), 1), 'name')"
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49 \ . " =~ '\\(Comment\\|String\\|Char\\)$'")
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50 if parlnum > 0
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51 let plindent = indent(parlnum)
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52 let plnumstart = parlnum
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53 else
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54 let plindent = indent(prevLnum)
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55 let plnumstart = prevLnum
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56 endif
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57
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58
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59 " When inside parenthesis: If at the first line below the parenthesis add
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60 " two 'shiftwidth', otherwise same as previous line.
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61 " i = (a
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62 " + b
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63 " + c)
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64 call cursor(a:lnum, 1)
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65 let p = searchpair('(\|{\|\[', '', ')\|}\|\]', 'bW',
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66 \ "line('.') < " . (a:lnum - s:maxoff) . " ? dummy :"
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67 \ . " synIDattr(synID(line('.'), col('.'), 1), 'name')"
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68 \ . " =~ '\\(Comment\\|String\\|Char\\)$'")
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69 if p > 0
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70 if p == prevLnum
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71 " When the start is inside parenthesis, only indent one 'shiftwidth'.
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72 let pp = searchpair('(\|{\|\[', '', ')\|}\|\]', 'bW',
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73 \ "line('.') < " . (a:lnum - s:maxoff) . " ? dummy :"
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74 \ . " synIDattr(synID(line('.'), col('.'), 1), 'name')"
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75 \ . " =~ '\\(Comment\\|String\\|Char\\)$'")
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76 if pp > 0
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77 return indent(prevLnum) + shiftwidth()
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78 endif
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79 return indent(prevLnum) + shiftwidth() * 2
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80 endif
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81 if plnumstart == p
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82 return indent(prevLnum)
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83 endif
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84 return plindent
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85 endif
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86
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87 let prevline = getline(prevLnum)
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88 let thisline = getline(a:lnum)
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89
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90 " If this line is not a comment and the previous one is then move the
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91 " previous line further back.
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92 if thisline !~ '^\s*#'
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93 while prevline =~ '^\s*#'
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94 let prevLnum = prevnonblank(prevLnum - 1)
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95 if prevLnum == 0
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96 " Only comment lines before this, no indent
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97 return 0
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98 endif
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99 let prevline = getline(prevLnum)
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100 let plindent = indent(prevLnum)
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101 endwhile
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102 endif
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103
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104 if prevline =~ '^\s*\(IF\|\|ELSEIF\|ELSE\|GENERATE_IF\|\|GENERATE_ELSEIF\|GENERATE_ELSE\|WHILE\|REPEAT\|TRY\|CATCH\|FINALLY\|FOR\|DO\|SWITCH\|CASE\|DEFAULT\|FUNC\|VIRTUAL\|ABSTRACT\|DEFINE\|REPLACE\|FINAL\|PROC\|MAIN\|NEW\|ENUM\|CLASS\|INTERFACE\|BITS\|MODULE\|SHARED\)\>'
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105 let plindent += shiftwidth()
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106 endif
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107 if thisline =~ '^\s*\(}\|ELSEIF\>\|ELSE\>\|CATCH\|FINALLY\|GENERATE_ELSEIF\>\|GENERATE_ELSE\>\|UNTIL\>\)'
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108 let plindent -= shiftwidth()
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109 endif
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110 if thisline =~ '^\s*\(CASE\>\|DEFAULT\>\)' && prevline !~ '^\s*SWITCH\>'
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111 let plindent -= shiftwidth()
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112 endif
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113
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114 " line up continued comment that started after some code
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115 " String something # comment comment
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116 " # comment
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117 if a:lnum == prevLnum + 1 && thisline =~ '^\s*#' && prevline !~ '^\s*#'
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118 let n = match(prevline, '#')
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119 if n > 1
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120 let plindent = n
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121 endif
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122 endif
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123
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124 return plindent
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125 endfunc
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126
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127 let &cpo = s:cpo_save
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128 unlet s:cpo_save