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1121
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1 " Vim filetype plugin file
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2 " Language: cobol
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16086
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3 " Maintainer: Ankit Jain <ajatkj@yahoo.co.in>
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4 " (formerly Tim Pope <vimNOSPAM@tpope.info>)
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5 " Last Update: By Ankit Jain (changed maintainer) on 22.03.2019
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1121
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6
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7 " Insert mode mappings: <C-T> <C-D> <Tab>
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8 " Normal mode mappings: < > << >> [[ ]] [] ][
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9 " Visual mode mappings: < >
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10
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11 if exists("b:did_ftplugin")
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12 finish
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13 endif
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14 let b:did_ftplugin = 1
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15
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16 let s:cpo_save = &cpo
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17 set cpo&vim
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18
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19 setlocal commentstring=\ \ \ \ \ \ *%s
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20 setlocal comments=:*
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21 setlocal fo+=croqlt
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22 setlocal expandtab
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23 setlocal textwidth=72
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24
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25 " matchit support
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26 if exists("loaded_matchit")
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27 let s:ordot = '\|\ze\.\%( \@=\|$\)'
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28 let b:match_ignorecase=1
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29 "let b:match_skip = 'getline(".") =~ "^.\\{6\\}[*/C]"'
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30 let b:match_words=
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31 \ '\$if\>:$else\>:\$endif\>,' .
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32 \ '[$-]\@<!\<if\>:\<\%(then\|else\)\>:\<end-if\>'.s:ordot.',' .
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33 \ '-\@<!\<perform\s\+\%(\d\+\s\+times\|until\|varying\|with\s\+test\)\>:\<end-perform\>'.s:ordot . ',' .
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34 \ '-\@<!\<\%(search\|evaluate\)\>:\<\%(when\)\>:\<end-\%(search\|evaluate\)\>' .s:ordot . ',' .
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35 \ '-\@<!\<\%(add\|compute\|divide\|multiply\|subtract\)\>\%(.*\(\%$\|\%(\n\%(\%(\s*\|.\{6\}\)[*/].*\n\)*\)\=\s*\%(not\s\+\)\=on\s\+size\s\+error\>\)\)\@=:\%(\<not\s\+\)\@<!\<\%(not\s\+\)\=on\s\+size\s\+error\>:\<end-\%(add\|compute\|divide\|multiply\|subtract\)\>' .s:ordot . ',' .
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36 \ '-\@<!\<\%(string\|unstring\|accept\|display\|call\)\>\%(.*\(\%$\|\%(\n\%(\%(\s*\|.\{6\}\)[*/].*\n\)*\)\=\s*\%(not\s\+\)\=on\s\+\%(overflow\|exception\)\>\)\)\@=:\%(\<not\s\+\)\@<!\<\%(not\s\+\)\=on\s\+\%(overflow\|exception\)\>:\<end-\%(string\|unstring\|accept\|display\|call\)\>' .s:ordot . ',' .
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37 \ '-\@<!\<\%(delete\|rewrite\|start\|write\|read\)\>\%(.*\(\%$\|\%(\n\%(\%(\s*\|.\{6\}\)[*/].*\n\)*\)\=\s*\%(invalid\s\+key\|at\s\+end\|no\s\+data\|at\s\+end-of-page\)\>\)\)\@=:\%(\<not\s\+\)\@<!\<\%(not\s\+\)\=\%(invalid\s\+key\|at\s\+end\|no\s\+data\|at\s\+end-of-page\)\>:\<end-\%(delete\|rewrite\|start\|write\|read\)\>' .s:ordot
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38 endif
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39
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40 if has("gui_win32") && !exists("b:browsefilter")
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41 let b:browsefilter = "COBOL Source Files (*.cbl, *.cob)\t*.cbl;*.cob;*.lib\n".
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42 \ "All Files (*.*)\t*.*\n"
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43 endif
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44
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45 let b:undo_ftplugin = "setlocal com< cms< fo< et< tw<" .
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46 \ " | unlet! b:browsefilter b:match_words b:match_ignorecase b:match_skip"
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47 if !exists("g:no_plugin_maps") && !exists("g:no_cobol_maps")
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48 let b:undo_ftplugin = b:undo_ftplugin .
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49 \ " | sil! exe 'nunmap <buffer> <'" .
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50 \ " | sil! exe 'nunmap <buffer> >'" .
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51 \ " | sil! exe 'nunmap <buffer> <<'" .
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52 \ " | sil! exe 'nunmap <buffer> >>'" .
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53 \ " | sil! exe 'vunmap <buffer> <'" .
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54 \ " | sil! exe 'vunmap <buffer> >'" .
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55 \ " | sil! exe 'iunmap <buffer> <C-D>'" .
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56 \ " | sil! exe 'iunmap <buffer> <C-T>'" .
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57 \ " | sil! exe 'iunmap <buffer> <Tab>'" .
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58 \ " | sil! exe 'nunmap <buffer> <Plug>Traditional'" .
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59 \ " | sil! exe 'nunmap <buffer> <Plug>Comment'" .
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60 \ " | sil! exe 'nunmap <buffer> <Plug>DeComment'" .
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61 \ " | sil! exe 'vunmap <buffer> <Plug>VisualTraditional'" .
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62 \ " | sil! exe 'vunmap <buffer> <Plug>VisualComment'" .
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63 \ " | sil! exe 'iunmap <buffer> <Plug>VisualDeComment'" .
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64 \ " | sil! exe 'unmap <buffer> [['" .
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65 \ " | sil! exe 'unmap <buffer> ]]'" .
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66 \ " | sil! exe 'unmap <buffer> []'" .
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67 \ " | sil! exe 'unmap <buffer> ]['"
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68 endif
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69
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70 if !exists("g:no_plugin_maps") && !exists("g:no_cobol_maps")
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71 if version >= 700
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72 nnoremap <silent> <buffer> > :set opfunc=<SID>IncreaseFunc<CR>g@
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73 nnoremap <silent> <buffer> < :set opfunc=<SID>DecreaseFunc<CR>g@
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74 endif
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75 nnoremap <silent> <buffer> >> :call CobolIndentBlock(1)<CR>
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76 nnoremap <silent> <buffer> << :call CobolIndentBlock(-1)<CR>
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77 vnoremap <silent> <buffer> > :call CobolIndentBlock(v:count1)<CR>
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78 vnoremap <silent> <buffer> < :call CobolIndentBlock(-v:count1)<CR>
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79 inoremap <silent> <buffer> <C-T> <C-R>=<SID>IncreaseIndent()<CR><C-R>=<SID>RestoreShiftwidth()<CR>
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80 inoremap <silent> <buffer> <C-D> <C-R>=<SID>DecreaseIndent()<CR><C-R>=<SID>RestoreShiftwidth()<CR>
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81 if !maparg("<Tab>","i")
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82 inoremap <silent> <buffer> <Tab> <C-R>=<SID>Tab()<CR><C-R>=<SID>RestoreShiftwidth()<CR>
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83 endif
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84 noremap <silent> <buffer> [[ m':call search('\c^\%(\s*\<Bar>.\{6\}\s\+\)\zs[A-Za-z0-9-]\+\s\+\%(division\<Bar>section\)\s*\.','bW')<CR>
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85 noremap <silent> <buffer> ]] m':call search('\c^\%(\s*\<Bar>.\{6\}\s\+\)\zs[A-Za-z0-9-]\+\s\+\%(division\<Bar>section\)\.','W')<CR>
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86 noremap <silent> <buffer> [] m':call <SID>toend('b')<CR>
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87 noremap <silent> <buffer> ][ m':call <SID>toend('')<CR>
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88 " For EnhancedCommentify
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89 noremap <silent> <buffer> <Plug>Traditional :call <SID>Comment('t')<CR>
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90 noremap <silent> <buffer> <Plug>Comment :call <SID>Comment('c')<CR>
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91 noremap <silent> <buffer> <Plug>DeComment :call <SID>Comment('u')<CR>
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92 noremap <silent> <buffer> <Plug>VisualTraditional :'<,'>call <SID>Comment('t')<CR>
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93 noremap <silent> <buffer> <Plug>VisualComment :'<,'>call <SID>Comment('c')<CR>
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94 noremap <silent> <buffer> <Plug>VisualDeComment :'<,'>call <SID>Comment('u')<CR>
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95 endif
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96
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97 let &cpo = s:cpo_save
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98 unlet s:cpo_save
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99
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100 if exists("g:did_cobol_ftplugin_functions")
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101 finish
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102 endif
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103 let g:did_cobol_ftplugin_functions = 1
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104
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105 function! s:repeat(str,count)
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106 let i = 0
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107 let ret = ""
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108 while i < a:count
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109 let ret = ret . a:str
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110 let i = i + 1
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111 endwhile
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112 return ret
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113 endfunction
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114
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115 function! s:increase(...)
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116 let lnum = '.'
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5618
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117 let sw = shiftwidth()
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1121
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118 let i = a:0 ? a:1 : indent(lnum)
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119 if i >= 11
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120 return sw - (i - 11) % sw
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121 elseif i >= 7
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122 return 11-i
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123 elseif i == 6
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124 return 1
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125 else
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126 return 6-i
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127 endif
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128 endfunction
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129
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130 function! s:decrease(...)
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131 let lnum = '.'
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5618
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132 let sw = shiftwidth()
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1121
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133 let i = indent(a:0 ? a:1 : lnum)
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134 if i >= 11 + sw
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135 return 1 + (i + 12) % sw
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136 elseif i > 11
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137 return i-11
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138 elseif i > 7
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139 return i-7
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140 elseif i == 7
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141 return 1
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142 else
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143 return i
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144 endif
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145 endfunction
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146
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147 function! CobolIndentBlock(shift)
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148 let head = strpart(getline('.'),0,7)
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149 let tail = strpart(getline('.'),7)
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150 let indent = match(tail,'[^ ]')
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5618
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151 let sw = shiftwidth()
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1121
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152 let shift = a:shift
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153 if shift > 0
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154 if indent < 4
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155 let tail = s:repeat(" ",4-indent).tail
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156 let shift = shift - 1
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157 endif
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158 let tail = s:repeat(" ",shift*sw).tail
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159 let shift = 0
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160 elseif shift < 0
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161 if (indent-4) > -shift * sw
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162 let tail = strpart(tail,-shift * sw)
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163 elseif (indent-4) > (-shift-1) * sw
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164 let tail = strpart(tail,indent - 4)
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165 else
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166 let tail = strpart(tail,indent)
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167 endif
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168 endif
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169 call setline('.',head.tail)
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170 endfunction
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171
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172 function! s:IncreaseFunc(type)
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173 '[,']call CobolIndentBlock(1)
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174 endfunction
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175
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176 function! s:DecreaseFunc(type)
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177 '[,']call CobolIndentBlock(-1)
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178 endfunction
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179
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180 function! s:IncreaseIndent()
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181 let c = "\<C-T>"
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182 if exists("*InsertCtrlTWrapper")
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183 let key = InsertCtrlTWrapper()
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184 if key != c
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185 return key
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186 endif
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187 endif
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188 let interval = s:increase()
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189 let b:cobol_shiftwidth = &shiftwidth
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190 let &shiftwidth = 1
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191 let lastchar = strpart(getline('.'),col('.')-2,1)
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192 if lastchar == '0' || lastchar == '^'
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193 return "\<BS>".lastchar.c
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194 else
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195 return s:repeat(c,interval)
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196 endif
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197 endfunction
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198
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199 function! s:DecreaseIndent()
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200 let c = "\<C-D>"
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201 if exists("*InsertCtrlDWrapper")
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202 " I hack Ctrl-D to delete when not at the end of the line.
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203 let key = InsertCtrlDWrapper()
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204 if key != c
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205 return key
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206 endif
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207 endif
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208 let interval = s:decrease()
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209 let b:cobol_shiftwidth = &shiftwidth
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210 let &shiftwidth = 1
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211 return s:repeat(c,interval)
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212 endfunction
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213
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214 function! s:RestoreShiftwidth()
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215 if exists("b:cobol_shiftwidth")
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216 let &shiftwidth=b:cobol_shiftwidth
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217 unlet b:cobol_shiftwidth
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218 endif
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219 return ""
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220 endfunction
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221
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222 function! s:Tab()
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223 if (strpart(getline('.'),0,col('.')-1) =~ '^\s*$' && &sta)
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224 return s:IncreaseIndent()
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5618
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225 " &softtabstop < 0: &softtabstop follows &shiftwidth
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226 elseif (&sts < 0 || &sts == shiftwidth()) && &sts != 8 && &et
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1121
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227 return s:repeat(" ",s:increase(col('.')-1))
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228 else
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229 return "\<Tab>"
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230 endif
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231 endfunction
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232
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233 function! s:Comment(arg)
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234 " For EnhancedCommentify
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235 let line = getline('.')
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236 if (line =~ '^.\{6\}[*/C]' || a:arg == 'c') && a:arg != 'u'
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237 let line = substitute(line,'^.\{6\}\zs.',' ','')
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238 else
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239 let line = substitute(line,'^.\{6\}\zs.','*','')
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240 endif
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241 call setline('.',line)
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242 endfunction
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243
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244 function! s:toend(direction)
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245 let ignore = '^\(\s*\|.\{6\}\)\%([*/]\|\s*$\)'
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246 let keep = line('.')
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247 keepjumps +
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248 while line('.') < line('$') && getline('.') =~ ignore
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249 keepjumps +
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250 endwhile
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251 let res = search('\c^\%(\s*\|.\{6\}\s\+\)\zs[A-Za-z0-9-]\+\s\+\%(division\|section\)\s*\.',a:direction.'W')
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252 if a:direction != 'b' && !res
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253 let res = line('$')
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254 keepjumps $
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255 elseif res
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256 keepjumps -
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257 endif
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258 if res
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259 while line('.') > 1 && getline('.') =~ ignore
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260 keepjumps -
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261 endwhile
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262 if line('.') == 1 && getline('.') =~ ignore
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263 exe "keepjumps ".keep
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264 endif
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265 else
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266 exe "keepjumps ".keep
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267 endif
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268 endfunction
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