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annotate autoload/gutentags/ctags.vim @ 249:36dabe30ab6e

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Double escape spaces when setting tags path
author Yukun Lin <me@yukun.io>
date Mon, 05 Aug 2019 22:09:31 +0900
parents ac312dc3c111
children 56dc6f8e5472
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
41
99328cb71e75 Refactor Gutentags so functionality can be implemented in "modules".
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1 " Ctags module for Gutentags
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2
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3 " Global Options {{{
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4
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5 let g:gutentags_ctags_executable = get(g:, 'gutentags_ctags_executable', 'ctags')
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6 let g:gutentags_ctags_tagfile = get(g:, 'gutentags_ctags_tagfile', 'tags')
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7 let g:gutentags_ctags_auto_set_tags = get(g:, 'gutentags_ctags_auto_set_tags', 1)
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8
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9 let g:gutentags_ctags_options_file = get(g:, 'gutentags_ctags_options_file', '.gutctags')
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10 let g:gutentags_ctags_check_tagfile = get(g:, 'gutentags_ctags_check_tagfile', 0)
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11 let g:gutentags_ctags_extra_args = get(g:, 'gutentags_ctags_extra_args', [])
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12 let g:gutentags_ctags_post_process_cmd = get(g:, 'gutentags_ctags_post_process_cmd', '')
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13
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14 let g:gutentags_ctags_exclude = get(g:, 'gutentags_ctags_exclude', [])
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15 let g:gutentags_ctags_exclude_wildignore = get(g:, 'gutentags_ctags_exclude_wildignore', 1)
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16
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17 " Backwards compatibility.
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18 function! s:_handleOldOptions() abort
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19 let l:renamed_options = {
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20 \'gutentags_exclude': 'gutentags_ctags_exclude',
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21 \'gutentags_tagfile': 'gutentags_ctags_tagfile',
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22 \'gutentags_auto_set_tags': 'gutentags_ctags_auto_set_tags'
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23 \}
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24 for key in keys(l:renamed_options)
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25 if exists('g:'.key)
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26 let newname = l:renamed_options[key]
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27 echom "gutentags: Option 'g:'".key." has been renamed to ".
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28 \"'g:'".newname." Please update your vimrc."
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29 let g:[newname] = g:[key]
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30 endif
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31 endfor
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32 endfunction
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33 call s:_handleOldOptions()
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34 " }}}
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35
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36 " Gutentags Module Interface {{{
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37
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38 let s:did_check_exe = 0
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39 let s:runner_exe = gutentags#get_plat_file('update_tags')
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40 let s:unix_redir = (&shellredir =~# '%s') ? &shellredir : &shellredir . ' %s'
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41 let s:wildignores_options_path = ''
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42 let s:last_wildignores = ''
41
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44 function! gutentags#ctags#init(project_root) abort
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45 " Figure out the path to the tags file.
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46 " Check the old name for this option, too, before falling back to the
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47 " globally defined name.
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48 let l:tagfile = getbufvar("", 'gutentags_ctags_tagfile',
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49 \getbufvar("", 'gutentags_tagfile',
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50 \g:gutentags_ctags_tagfile))
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51 let b:gutentags_files['ctags'] = gutentags#get_cachefile(
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52 \a:project_root, l:tagfile)
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53
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54 " Set the tags file for Vim to use.
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55 if g:gutentags_ctags_auto_set_tags
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56 if has('win32') || has('win64')
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57 execute 'setlocal tags^=' . fnameescape(b:gutentags_files['ctags'])
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58 else
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59 " spaces must be literally escaped in tags path
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60 let l:literal_space_escaped = substitute(fnameescape(b:gutentags_files['ctags']), '\ ', '\\\\ ', 'g')
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61 execute 'setlocal tags^=' . l:literal_space_escaped
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62 endif
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63 endif
93
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64
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65 " Check if the ctags executable exists.
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66 if s:did_check_exe == 0
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67 if g:gutentags_enabled && executable(expand(g:gutentags_ctags_executable, 1)) == 0
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68 let g:gutentags_enabled = 0
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69 echoerr "Executable '".g:gutentags_ctags_executable."' can't be found. "
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70 \."Gutentags will be disabled. You can re-enable it by "
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71 \."setting g:gutentags_enabled back to 1."
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72 endif
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73 let s:did_check_exe = 1
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74 endif
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75 endfunction
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76
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77 function! gutentags#ctags#generate(proj_dir, tags_file, gen_opts) abort
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78 let l:write_mode = a:gen_opts['write_mode']
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79
84
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80 let l:tags_file_exists = filereadable(a:tags_file)
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81 let l:tags_file_relative = fnamemodify(a:tags_file, ':.')
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82 let l:tags_file_is_local = len(l:tags_file_relative) < len(a:tags_file)
84
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83
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84 if l:tags_file_exists && g:gutentags_ctags_check_tagfile
84
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85 let l:first_lines = readfile(a:tags_file, '', 1)
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86 if len(l:first_lines) == 0 || stridx(l:first_lines[0], '!_TAG_') != 0
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87 call gutentags#throw(
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88 \"File ".a:tags_file." doesn't appear to be ".
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89 \"a ctags file. Please delete it and run ".
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90 \":GutentagsUpdate!.")
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91 return
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92 endif
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93 endif
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94
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95 if empty(g:gutentags_cache_dir) && l:tags_file_is_local
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96 " If we don't use the cache directory, we can pass relative paths
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97 " around.
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98 "
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99 " Note that if we don't do this and pass a full path for the project
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100 " root, some `ctags` implementations like Exhuberant Ctags can get
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101 " confused if the paths have spaces -- but not if you're *in* the root
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102 " directory, for some reason... (which we are, our caller in
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103 " `autoload/gutentags.vim` changed it).
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104 let l:actual_proj_dir = '.'
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105 let l:actual_tags_file = l:tags_file_relative
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106 else
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107 " else: the tags file goes in a cache directory, so we need to specify
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108 " all the paths absolutely for `ctags` to do its job correctly.
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109 let l:actual_proj_dir = a:proj_dir
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110 let l:actual_tags_file = a:tags_file
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111 endif
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112
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113 " Build the command line.
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114 let l:cmd = [s:runner_exe]
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115 let l:cmd += ['-e', '"' . s:get_ctags_executable(a:proj_dir) . '"']
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116 let l:cmd += ['-t', '"' . l:actual_tags_file . '"']
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117 let l:cmd += ['-p', '"' . l:actual_proj_dir . '"']
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118 if l:write_mode == 0 && l:tags_file_exists
198
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119 let l:cur_file_path = expand('%:p')
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120 if empty(g:gutentags_cache_dir) && l:tags_file_is_local
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121 let l:cur_file_path = fnamemodify(l:cur_file_path, ':.')
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122 endif
202
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123 let l:cmd += ['-s', '"' . l:cur_file_path . '"']
198
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124 else
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125 let l:file_list_cmd = gutentags#get_project_file_list_cmd(l:actual_proj_dir)
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126 if !empty(l:file_list_cmd)
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127 if match(l:file_list_cmd, '///') > 0
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128 let l:suffopts = split(l:file_list_cmd, '///')
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129 let l:suffoptstr = l:suffopts[1]
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130 let l:file_list_cmd = l:suffopts[0]
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131 if l:suffoptstr == 'absolute'
202
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132 let l:cmd += ['-A']
198
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133 endif
133
6f15299869fc Don't pass absolute paths to `ctags` when we want relative paths from it.
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134 endif
202
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135 let l:cmd += ['-L', '"' . l:file_list_cmd. '"']
75
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136 endif
198
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137 endif
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138 if empty(get(l:, 'file_list_cmd', ''))
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139 " Pass the Gutentags recursive options file before the project
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140 " options file, so that users can override --recursive.
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141 " Omit --recursive if this project uses a file list command.
202
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142 let l:cmd += ['-o', '"' . gutentags#get_res_file('ctags_recursive.options') . '"']
198
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143 endif
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144 if !empty(g:gutentags_ctags_extra_args)
202
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145 let l:cmd += ['-O', shellescape(join(g:gutentags_ctags_extra_args))]
198
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146 endif
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147 if !empty(g:gutentags_ctags_post_process_cmd)
202
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148 let l:cmd += ['-P', shellescape(g:gutentags_ctags_post_process_cmd)]
198
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149 endif
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150 let l:proj_options_file = a:proj_dir . '/' .
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151 \g:gutentags_ctags_options_file
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152 if filereadable(l:proj_options_file)
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153 let l:proj_options_file = s:process_options_file(
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154 \a:proj_dir, l:proj_options_file)
202
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155 let l:cmd += ['-o', '"' . l:proj_options_file . '"']
198
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156 endif
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157 if g:gutentags_ctags_exclude_wildignore
226
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158 call s:generate_wildignore_options()
230
a798f7ad11c5 Fix bug for when `wildignore` is empty.
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159 if !empty(s:wildignores_options_path)
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160 let l:cmd += ['-x', shellescape('@'.s:wildignores_options_path, 1)]
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161 endif
198
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162 endif
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163 for exc in g:gutentags_ctags_exclude
202
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164 let l:cmd += ['-x', '"' . exc . '"']
198
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165 endfor
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166 if g:gutentags_pause_after_update
202
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167 let l:cmd += ['-c']
198
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168 endif
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169 if g:gutentags_trace
202
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170 let l:cmd += ['-l', '"' . l:actual_tags_file . '.log"']
198
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171 endif
202
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172 let l:cmd = gutentags#make_args(l:cmd)
41
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173
202
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174 call gutentags#trace("Running: " . string(l:cmd))
198
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175 call gutentags#trace("In: " . getcwd())
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176 if !g:gutentags_fake
226
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177 let l:job_opts = gutentags#build_default_job_options('ctags')
202
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178 let l:job = gutentags#start_job(l:cmd, l:job_opts)
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179 call gutentags#add_job('ctags', a:tags_file, l:job)
198
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180 else
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181 call gutentags#trace("(fake... not actually running)")
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182 endif
202
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183 endfunction
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184
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185 function! gutentags#ctags#on_job_exit(job, exit_val) abort
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186 call gutentags#remove_job_by_data('ctags', a:job)
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187
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188 if a:exit_val != 0
241
ac312dc3c111 Don't duplicate the `gutentags:` message prefix.
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diff changeset
189 call gutentags#warning("ctags job failed, returned: ".
202
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190 \string(a:exit_val))
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191 endif
41
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192 endfunction
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193
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194 " }}}
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195
62
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196 " Utilities {{{
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197
70
661a97eaf608 Move `get_ctags_executable` to the `ctags` module.
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198 " Get final ctags executable depending whether a filetype one is defined
89
8bf96f9f649c Add support for project types.
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199 function! s:get_ctags_executable(proj_dir) abort
70
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200 "Only consider the main filetype in cases like 'python.django'
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201 let l:ftype = get(split(&filetype, '\.'), 0, '')
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202 let l:proj_info = gutentags#get_project_info(a:proj_dir)
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203 let l:type = get(l:proj_info, 'type', l:ftype)
119
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diff changeset
204 let exepath = exists('g:gutentags_ctags_executable_{l:type}')
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diff changeset
205 \ ? g:gutentags_ctags_executable_{l:type} : g:gutentags_ctags_executable
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diff changeset
206 return expand(exepath, 1)
70
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207 endfunction
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diff changeset
208
226
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diff changeset
209 function! s:generate_wildignore_options() abort
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diff changeset
210 if s:last_wildignores == &wildignore
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diff changeset
211 " The 'wildignore' setting didn't change since last time we did this.
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212 call gutentags#trace("Wildignore options file is up to date.")
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diff changeset
213 return
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214 endif
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diff changeset
215
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diff changeset
216 if s:wildignores_options_path == ''
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diff changeset
217 if empty(g:gutentags_cache_dir)
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diff changeset
218 let s:wildignores_options_path = tempname()
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diff changeset
219 else
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diff changeset
220 let s:wildignores_options_path =
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diff changeset
221 \gutentags#stripslash(g:gutentags_cache_dir).
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diff changeset
222 \'/_wildignore.options'
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diff changeset
223 endif
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diff changeset
224 endif
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diff changeset
225
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diff changeset
226 call gutentags#trace("Generating wildignore options: ".s:wildignores_options_path)
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diff changeset
227 let l:opt_lines = []
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diff changeset
228 for ign in split(&wildignore, ',')
231
740cd9065423 Fix `wildignore` patterns file... it's not an options file!
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parents: 230
diff changeset
229 call add(l:opt_lines, ign)
226
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diff changeset
230 endfor
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diff changeset
231 call writefile(l:opt_lines, s:wildignores_options_path)
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diff changeset
232 let s:last_wildignores = &wildignore
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diff changeset
233 endfunction
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diff changeset
234
62
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diff changeset
235 function! s:process_options_file(proj_dir, path) abort
116
be8d47e88ab1 ctags: use empty() instead of comparing with ""
Ilya Tumaykin <itumaykin@gmail.com>
parents: 115
diff changeset
236 if empty(g:gutentags_cache_dir)
62
106757c129cb Change the per-project option file to be `.gutctags` and process it first.
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237 " If we're not using a cache directory to store tag files, we can
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238 " use the options file straight away.
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239 return a:path
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240 endif
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241
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242 " See if we need to process the options file.
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243 let l:do_process = 0
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244 let l:proj_dir = gutentags#stripslash(a:proj_dir)
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245 let l:out_path = gutentags#get_cachefile(l:proj_dir, 'options')
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246 if !filereadable(l:out_path)
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247 call gutentags#trace("Processing options file '".a:path."' because ".
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248 \"it hasn't been processed yet.")
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249 let l:do_process = 1
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250 elseif getftime(a:path) > getftime(l:out_path)
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251 call gutentags#trace("Processing options file '".a:path."' because ".
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252 \"it has changed.")
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253 let l:do_process = 1
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254 endif
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255 if l:do_process == 0
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256 " Nothing's changed, return the existing processed version of the
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257 " options file.
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258 return l:out_path
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259 endif
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260
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261 " We have to process the options file. Right now this only means capturing
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262 " all the 'exclude' rules, and rewrite them to make them absolute.
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263 "
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264 " This is because since `ctags` is run with absolute paths (because we
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265 " want the tag file to be in a cache directory), it will do its path
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266 " matching with absolute paths too, so the exclude rules need to be
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267 " absolute.
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268 let l:lines = readfile(a:path)
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269 let l:outlines = []
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270 for line in l:lines
99
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271 let l:exarg_idx = matchend(line, '\v^\-\-exclude=')
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272 if l:exarg_idx < 0
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273 call add(l:outlines, line)
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274 continue
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275 endif
99
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276
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277 " Don't convert things that don't look like paths.
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278 let l:exarg = strpart(line, l:exarg_idx + 1)
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279 let l:do_convert = 1
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280 if l:exarg[0] == '@' " Manifest file path
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281 let l:do_convert = 0
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282 endif
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283 if stridx(l:exarg, '/') < 0 && stridx(l:exarg, '\\') < 0 " Filename
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284 let l:do_convert = 0
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285 endif
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286 if l:do_convert == 0
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287 call add(l:outlines, line)
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288 continue
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289 endif
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290
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291 let l:fullp = l:proj_dir . gutentags#normalizepath('/'.l:exarg)
62
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292 let l:ol = '--exclude='.l:fullp
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293 call add(l:outlines, l:ol)
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294 endfor
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295
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296 call writefile(l:outlines, l:out_path)
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297 return l:out_path
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298 endfunction
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299
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300 " }}}