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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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871
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4 " Version: 2.0
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5 " Last Change: Fri May 05 2006 10:34:57 PM
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6 " Usage: For detailed help, ":help ft-syntax-omni"
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625
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7
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8 " Set completion with CTRL-X CTRL-O to autoloaded function.
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785
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9 " This check is in place in case this script is
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10 " sourced directly instead of using the autoload feature.
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702
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11 if exists('+omnifunc')
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785
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12 " Do not set the option if already set since this
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13 " results in an E117 warning.
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14 if &omnifunc == ""
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15 setlocal omnifunc=syntaxcomplete#Complete
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16 endif
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625
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17 endif
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18
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19 if exists('g:loaded_syntax_completion')
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20 finish
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21 endif
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871
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22 let g:loaded_syntax_completion = 20
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23
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24 " Set ignorecase to the ftplugin standard
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25 if !exists('g:omni_syntax_ignorecase')
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26 let g:omni_syntax_ignorecase = &ignorecase
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27 endif
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625
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28
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29 " This script will build a completion list based on the syntax
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30 " elements defined by the files in $VIMRUNTIME/syntax.
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31 let s:syn_remove_words = 'match,matchgroup=,contains,'.
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32 \ 'links to,start=,end=,nextgroup='
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33
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34 let s:cache_name = []
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35 let s:cache_list = []
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785
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36 let s:prepended = ''
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625
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37
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38 " This function is used for the 'omnifunc' option.
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39 function! syntaxcomplete#Complete(findstart, base)
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40
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41 if a:findstart
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42 " Locate the start of the item, including "."
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43 let line = getline('.')
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44 let start = col('.') - 1
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45 let lastword = -1
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46 while start > 0
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47 if line[start - 1] =~ '\w'
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48 let start -= 1
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49 elseif line[start - 1] =~ '\.'
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50 " The user must be specifying a column name
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51 if lastword == -1
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52 let lastword = start
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53 endif
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54 let start -= 1
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55 let b:sql_compl_type = 'column'
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56 else
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57 break
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58 endif
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59 endwhile
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60
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61 " Return the column of the last word, which is going to be changed.
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62 " Remember the text that comes before it in s:prepended.
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63 if lastword == -1
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64 let s:prepended = ''
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65 return start
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66 endif
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67 let s:prepended = strpart(line, start, lastword - start)
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68 return lastword
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69 endif
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70
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71 let base = s:prepended . a:base
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72
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871
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73 let filetype = substitute(&filetype, '\.', '_', 'g')
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74 let list_idx = index(s:cache_name, filetype, 0, &ignorecase)
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625
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75 if list_idx > -1
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76 let compl_list = s:cache_list[list_idx]
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77 else
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871
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78 let compl_list = OmniSyntaxList()
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79 let s:cache_name = add( s:cache_name, filetype )
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80 let s:cache_list = add( s:cache_list, compl_list )
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625
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81 endif
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82
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83 " Return list of matches.
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84
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85 if base =~ '\w'
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871
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86 let compstr = join(compl_list, ' ')
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87 let expr = (g:omni_syntax_ignorecase==0?'\C':'').'\<\%('.base.'\)\@!\w\+\s*'
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88 let compstr = substitute(compstr, expr, '', 'g')
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625
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89 let compl_list = split(compstr, '\s\+')
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90 endif
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91
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92 return compl_list
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93 endfunc
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94
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702
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95 function! OmniSyntaxList()
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871
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96 " Default to returning a dictionary, if use_dictionary is set to 0
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97 " a list will be returned.
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98 " let use_dictionary = 1
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99 " if a:0 > 0 && a:1 != ''
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100 " let use_dictionary = a:1
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101 " endif
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102
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625
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103 let saveL = @l
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104
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105 " Loop through all the syntax groupnames, and build a
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106 " syntax file which contains these names. This can
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107 " work generically for any filetype that does not already
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108 " have a plugin defined.
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109 " This ASSUMES the syntax groupname BEGINS with the name
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702
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110 " of the filetype. From my casual viewing of the vim7\syntax
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625
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111 " directory.
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112 redir @l
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113 silent! exec 'syntax list '
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114 redir END
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115
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702
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116 let syntax_full = "\n".@l
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625
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117 let @l = saveL
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118
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702
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119 if syntax_full =~ 'E28'
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120 \ || syntax_full =~ 'E411'
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121 \ || syntax_full =~ 'E415'
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122 \ || syntax_full =~ 'No Syntax items'
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123 return []
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124 endif
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125
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871
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126 let filetype = substitute(&filetype, '\.', '_', 'g')
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127
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702
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128 " Default the include group to include the requested syntax group
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871
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129 let syntax_group_include_{filetype} = ''
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702
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130 " Check if there are any overrides specified for this filetype
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871
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131 if exists('g:omni_syntax_group_include_'.filetype)
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132 let syntax_group_include_{filetype} =
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133 \ substitute( g:omni_syntax_group_include_{filetype},'\s\+','','g')
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134 if syntax_group_include_{filetype} =~ '\w'
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135 let syntax_group_include_{filetype} =
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136 \ substitute( syntax_group_include_{filetype},
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702
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137 \ '\s*,\s*', '\\|', 'g'
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138 \ )
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139 endif
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625
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140 endif
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141
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702
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142 " Default the exclude group to nothing
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871
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143 let syntax_group_exclude_{filetype} = ''
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702
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144 " Check if there are any overrides specified for this filetype
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871
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145 if exists('g:omni_syntax_group_exclude_'.filetype)
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146 let syntax_group_exclude_{filetype} =
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147 \ substitute( g:omni_syntax_group_exclude_{filetype},'\s\+','','g')
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148 if syntax_group_exclude_{filetype} =~ '\w'
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149 let syntax_group_exclude_{filetype} =
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150 \ substitute( syntax_group_exclude_{filetype},
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702
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151 \ '\s*,\s*', '\\|', 'g'
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152 \ )
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153 endif
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154 endif
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155
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871
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156 " Sometimes filetypes can be composite names, like c.doxygen
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157 " Loop through each individual part looking for the syntax
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158 " items specific to each individual filetype.
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625
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159 let syn_list = ''
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871
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160 let ftindex = 0
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161 let ftindex = match(&filetype, '\w\+', ftindex)
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625
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162
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871
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163 while ftindex > -1
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164 let ft_part_name = matchstr( &filetype, '\w\+', ftindex )
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625
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165
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871
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166 " Syntax rules can contain items for more than just the current
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167 " filetype. They can contain additional items added by the user
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168 " via autocmds or their vimrc.
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169 " Some syntax files can be combined (html, php, jsp).
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170 " We want only items that begin with the filetype we are interested in.
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171 let next_group_regex = '\n' .
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172 \ '\zs'.ft_part_name.'\w\+\ze'.
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173 \ '\s\+xxx\s\+'
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174 let index = 0
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175 let index = match(syntax_full, next_group_regex, index)
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176
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177 while index > -1
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178 let group_name = matchstr( syntax_full, '\w\+', index )
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179
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180 let get_syn_list = 1
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181 " if syntax_group_include_{&filetype} == ''
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182 " if syntax_group_exclude_{&filetype} != ''
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183 " if '\<'.syntax_group_exclude_{&filetype}.'\>' =~ '\<'.group_name.'\>'
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184 " let get_syn_list = 0
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185 " endif
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186 " endif
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187 " else
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188 " if '\<'.syntax_group_include_{&filetype}.'\>' !~ '\<'.group_name.'\>'
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189 " let get_syn_list = 0
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190 " endif
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191 " endif
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192 if syntax_group_exclude_{filetype} != ''
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193 if '\<'.syntax_group_exclude_{filetype}.'\>' =~ '\<'.group_name.'\>'
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702
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194 let get_syn_list = 0
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195 endif
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196 endif
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871
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197
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198 if get_syn_list == 1
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199 if syntax_group_include_{filetype} != ''
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200 if '\<'.syntax_group_include_{filetype}.'\>' !~ '\<'.group_name.'\>'
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201 let get_syn_list = 0
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202 endif
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203 endif
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204 endif
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205
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206 if get_syn_list == 1
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207 " Pass in the full syntax listing, plus the group name we
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208 " are interested in.
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209 let extra_syn_list = s:SyntaxCSyntaxGroupItems(group_name, syntax_full)
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625
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210
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871
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211 " if !empty(extra_syn_list)
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212 " for elem in extra_syn_list
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213 " let item = {'word':elem, 'kind':'t', 'info':group_name}
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214 " let compl_list += [item]
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215 " endfor
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216 " endif
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702
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217
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871
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218 let syn_list = syn_list . extra_syn_list . "\n"
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219 endif
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625
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220
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871
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221 let index = index + strlen(group_name)
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222 let index = match(syntax_full, next_group_regex, index)
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223 endwhile
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224
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225 let ftindex = ftindex + len(ft_part_name)
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226 let ftindex = match( &filetype, '\w\+', ftindex )
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625
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227 endwhile
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228
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702
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229 " Convert the string to a List and sort it.
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230 let compl_list = sort(split(syn_list))
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231
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232 if &filetype == 'vim'
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233 let short_compl_list = []
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234 for i in range(len(compl_list))
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235 if i == len(compl_list)-1
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236 let next = i
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237 else
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238 let next = i + 1
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239 endif
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240 if compl_list[next] !~ '^'.compl_list[i].'.$'
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241 let short_compl_list += [compl_list[i]]
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242 endif
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243 endfor
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244
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245 return short_compl_list
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246 else
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247 return compl_list
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248 endif
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625
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249 endfunction
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250
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818
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251 function! s:SyntaxCSyntaxGroupItems( group_name, syntax_full )
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702
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252
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253 let syn_list = ""
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625
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254
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702
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255 " From the full syntax listing, strip out the portion for the
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256 " request group.
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257 " Query:
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258 " \n - must begin with a newline
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259 " a:group_name - the group name we are interested in
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260 " \s\+xxx\s\+ - group names are always followed by xxx
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261 " \zs - start the match
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262 " .\{-} - everything ...
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263 " \ze - end the match
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264 " \n\w - at the first newline starting with a character
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265 let syntax_group = matchstr(a:syntax_full,
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266 \ "\n".a:group_name.'\s\+xxx\s\+\zs.\{-}\ze'."\n".'\w'
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871
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267 \ )
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702
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268
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269 if syntax_group != ""
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625
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270 " let syn_list = substitute( @l, '^.*xxx\s*\%(contained\s*\)\?', "", '' )
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702
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271 " let syn_list = substitute( @l, '^.*xxx\s*', "", '' )
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625
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272
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273 " We only want the words for the lines begining with
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274 " containedin, but there could be other items.
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275
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276 " Tried to remove all lines that do not begin with contained
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277 " but this does not work in all cases since you can have
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278 " contained nextgroup=...
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279 " So this will strip off the ending of lines with known
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280 " keywords.
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871
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281 let syn_list = substitute(
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282 \ syntax_group, '\<\('.
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283 \ substitute(
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284 \ escape(s:syn_remove_words, '\\/.*$^~[]')
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285 \ , ',', '\\|', 'g'
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286 \ ).
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287 \ '\).\{-}\%($\|'."\n".'\)'
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288 \ , "\n", 'g'
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289 \ )
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625
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290
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291 " Now strip off the newline + blank space + contained
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871
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292 let syn_list = substitute(
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293 \ syn_list, '\%(^\|\n\)\@<=\s*\<\(contained\)'
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294 \ , "", 'g'
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295 \ )
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625
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296
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297 " There are a number of items which have non-word characters in
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298 " them, *'T_F1'*. vim.vim is one such file.
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299 " This will replace non-word characters with spaces.
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300 let syn_list = substitute( syn_list, '[^0-9A-Za-z_ ]', ' ', 'g' )
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301 else
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302 let syn_list = ''
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303 endif
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304
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305 return syn_list
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306 endfunction
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307
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