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625
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1 " Vim completion script
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2 " Language: All languages, uses existing syntax highlighting rules
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3 " Maintainer: David Fishburn <fishburn@ianywhere.com>
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702
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4 " Version: 1.1
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5 " Last Change: Wed Mar 01 2006 9:58:14 PM
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625
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6
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7 " Set completion with CTRL-X CTRL-O to autoloaded function.
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702
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8 if exists('+omnifunc')
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9 setlocal omnifunc=syntaxcomplete#Complete
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625
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10 endif
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11
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12 if exists('g:loaded_syntax_completion')
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13 finish
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14 endif
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15 let g:loaded_syntax_completion = 1
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16
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17 " This script will build a completion list based on the syntax
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18 " elements defined by the files in $VIMRUNTIME/syntax.
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19
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20 let s:syn_remove_words = 'match,matchgroup=,contains,'.
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21 \ 'links to,start=,end=,nextgroup='
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22
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23 let s:cache_name = []
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24 let s:cache_list = []
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25
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26 " This function is used for the 'omnifunc' option.
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27 function! syntaxcomplete#Complete(findstart, base)
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28
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29 if a:findstart
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30 " Locate the start of the item, including "."
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31 let line = getline('.')
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32 let start = col('.') - 1
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33 let lastword = -1
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34 while start > 0
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35 if line[start - 1] =~ '\w'
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36 let start -= 1
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37 elseif line[start - 1] =~ '\.'
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38 " The user must be specifying a column name
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39 if lastword == -1
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40 let lastword = start
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41 endif
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42 let start -= 1
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43 let b:sql_compl_type = 'column'
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44 else
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45 break
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46 endif
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47 endwhile
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48
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49 " Return the column of the last word, which is going to be changed.
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50 " Remember the text that comes before it in s:prepended.
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51 if lastword == -1
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52 let s:prepended = ''
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53 return start
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54 endif
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55 let s:prepended = strpart(line, start, lastword - start)
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56 return lastword
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57 endif
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58
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59 let base = s:prepended . a:base
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60
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61 let list_idx = index(s:cache_name, &filetype, 0, &ignorecase)
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62 if list_idx > -1
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63 let compl_list = s:cache_list[list_idx]
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64 else
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702
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65 let compl_list = OmniSyntaxList()
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625
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66 let s:cache_name = add( s:cache_name, &filetype )
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67 let s:cache_list = add( s:cache_list, compl_list )
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68 endif
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69
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70 " Return list of matches.
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71
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72 if base =~ '\w'
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73 let compstr = join(compl_list, ' ')
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74 let compstr = substitute(compstr, '\<\%('.base.'\)\@!\w\+\s*', '', 'g')
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75 let compl_list = split(compstr, '\s\+')
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76 endif
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77
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78 return compl_list
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79 endfunc
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80
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702
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81 function! OmniSyntaxList()
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625
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82 let saveL = @l
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83
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84 " Loop through all the syntax groupnames, and build a
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85 " syntax file which contains these names. This can
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86 " work generically for any filetype that does not already
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87 " have a plugin defined.
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88 " This ASSUMES the syntax groupname BEGINS with the name
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702
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89 " of the filetype. From my casual viewing of the vim7\syntax
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625
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90 " directory.
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91 redir @l
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92 silent! exec 'syntax list '
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93 redir END
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94
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702
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95 let syntax_full = "\n".@l
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625
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96 let @l = saveL
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97
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702
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98 if syntax_full =~ 'E28'
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99 \ || syntax_full =~ 'E411'
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100 \ || syntax_full =~ 'E415'
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101 \ || syntax_full =~ 'No Syntax items'
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102 return []
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103 endif
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104
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105 " Default the include group to include the requested syntax group
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106 let syntax_group_include_{&filetype} = ''
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107 " Check if there are any overrides specified for this filetype
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108 if exists('g:omni_syntax_group_include_'.&filetype)
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109 let syntax_group_include_{&filetype} =
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110 \ substitute( g:omni_syntax_group_include_{&filetype},'\s\+','','g')
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111 if syntax_group_include_{&filetype} =~ '\w'
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112 let syntax_group_include_{&filetype} =
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113 \ substitute( syntax_group_include_{&filetype},
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114 \ '\s*,\s*', '\\|', 'g'
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115 \ )
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116 endif
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625
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117 endif
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118
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702
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119 " Default the exclude group to nothing
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120 let syntax_group_exclude_{&filetype} = ''
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121 " Check if there are any overrides specified for this filetype
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122 if exists('g:omni_syntax_group_exclude_'.&filetype)
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123 let syntax_group_exclude_{&filetype} =
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124 \ substitute( g:omni_syntax_group_exclude_{&filetype},'\s\+','','g')
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125 if syntax_group_exclude_{&filetype} =~ '\w'
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126 let syntax_group_exclude_{&filetype} =
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127 \ substitute( syntax_group_exclude_{&filetype},
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128 \ '\s*,\s*', '\\|', 'g'
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129 \ )
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130 endif
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131 endif
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132
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133 " Syntax rules can contain items for more than just the current
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134 " filetype. They can contain additional items added by the user
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135 " via autocmds or their vimrc.
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136 " Some syntax files can be combined (html, php, jsp).
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137 " We want only items that begin with the filetype we are interested in.
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625
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138 let next_group_regex = '\n' .
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139 \ '\zs'.&filetype.'\w\+\ze'.
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702
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140 \ '\s\+xxx\s\+'
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625
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141 let syn_list = ''
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142 let index = 0
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702
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143 let index = match(syntax_full, next_group_regex, index)
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625
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144
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145 while index > 0
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702
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146 let group_name = matchstr( syntax_full, '\w\+', index )
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625
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147
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702
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148 let get_syn_list = 1
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149 " if syntax_group_include_{&filetype} == ''
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150 " if syntax_group_exclude_{&filetype} != ''
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151 " if '\<'.syntax_group_exclude_{&filetype}.'\>' =~ '\<'.group_name.'\>'
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152 " let get_syn_list = 0
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153 " endif
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154 " endif
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155 " else
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156 " if '\<'.syntax_group_include_{&filetype}.'\>' !~ '\<'.group_name.'\>'
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157 " let get_syn_list = 0
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158 " endif
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159 " endif
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160 if syntax_group_exclude_{&filetype} != ''
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161 if '\<'.syntax_group_exclude_{&filetype}.'\>' =~ '\<'.group_name.'\>'
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162 let get_syn_list = 0
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163 endif
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164 endif
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165
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166 if get_syn_list == 1
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167 if syntax_group_include_{&filetype} != ''
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168 if '\<'.syntax_group_include_{&filetype}.'\>' !~ '\<'.group_name.'\>'
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169 let get_syn_list = 0
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170 endif
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171 endif
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172 endif
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625
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173
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702
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174 if get_syn_list == 1
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175 " Pass in the full syntax listing, plus the group name we
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176 " are interested in.
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177 let extra_syn_list = s:SyntaxGroupItems(group_name, syntax_full)
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178
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179 let syn_list = syn_list . extra_syn_list . "\n"
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180 endif
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625
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181
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182 let index = index + strlen(group_name)
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702
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183 let index = match(syntax_full, next_group_regex, index)
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625
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184 endwhile
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185
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702
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186 " Convert the string to a List and sort it.
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187 let compl_list = sort(split(syn_list))
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188
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189 if &filetype == 'vim'
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190 let short_compl_list = []
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191 for i in range(len(compl_list))
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192 if i == len(compl_list)-1
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193 let next = i
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194 else
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195 let next = i + 1
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196 endif
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197 if compl_list[next] !~ '^'.compl_list[i].'.$'
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198 let short_compl_list += [compl_list[i]]
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199 endif
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200 endfor
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201
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202 return short_compl_list
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203 else
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204 return compl_list
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205 endif
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625
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206 endfunction
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207
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702
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208 function! s:SyntaxGroupItems( group_name, syntax_full )
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209
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210 let syn_list = ""
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211
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702
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212 " From the full syntax listing, strip out the portion for the
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213 " request group.
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214 " Query:
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215 " \n - must begin with a newline
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216 " a:group_name - the group name we are interested in
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217 " \s\+xxx\s\+ - group names are always followed by xxx
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218 " \zs - start the match
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219 " .\{-} - everything ...
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220 " \ze - end the match
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221 " \n\w - at the first newline starting with a character
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222 let syntax_group = matchstr(a:syntax_full,
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223 \ "\n".a:group_name.'\s\+xxx\s\+\zs.\{-}\ze'."\n".'\w'
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224 \)
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225
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226 if syntax_group != ""
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227 " let syn_list = substitute( @l, '^.*xxx\s*\%(contained\s*\)\?', "", '' )
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228 " let syn_list = substitute( @l, '^.*xxx\s*', "", '' )
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229
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230 " We only want the words for the lines begining with
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231 " containedin, but there could be other items.
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232
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233 " Tried to remove all lines that do not begin with contained
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234 " but this does not work in all cases since you can have
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235 " contained nextgroup=...
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236 " So this will strip off the ending of lines with known
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237 " keywords.
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702
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238 let syn_list = substitute( syntax_group, '\<\('.
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239 \ substitute(
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240 \ escape( s:syn_remove_words, '\\/.*$^~[]')
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241 \ , ',', '\\|', 'g').
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242 \ '\).\{-}\%($\|'."\n".'\)'
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243 \ , "\n", 'g' )
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244
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245 " Now strip off the newline + blank space + contained
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246 let syn_list = substitute( syn_list, '\%(^\|\n\)\@<=\s*\<\('.
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247 \ 'contained\)'
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248 \ , "", 'g' )
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249
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250 " There are a number of items which have non-word characters in
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251 " them, *'T_F1'*. vim.vim is one such file.
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252 " This will replace non-word characters with spaces.
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253 let syn_list = substitute( syn_list, '[^0-9A-Za-z_ ]', ' ', 'g' )
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254 else
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255 let syn_list = ''
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256 endif
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257
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258 return syn_list
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259 endfunction
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260
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