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75 lines
2.0 KiB
VimL
75 lines
2.0 KiB
VimL
8 years ago
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" Vim completion script
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"
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" This source code is licensed under the BSD-style license found in the
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" LICENSE file in the toplevel directory of this source tree. An additional
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" grant of patent rights can be found in the PATENTS file in the same
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" directory.
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" Magical flow autocomplete token.
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let s:autotok = 'AUTO332'
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" Omni findstart phase.
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function! s:FindStart()
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let line = getline('.')
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let start = col('.') - 1
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while start >= 0 && line[start - 1] =~ '[a-zA-Z_0-9\x7f-\xff$]'
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let start -= 1
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endwhile
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return start
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endfunction
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function! flowcomplete#Complete(findstart, base)
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if a:findstart
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return s:FindStart()
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endif
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let lnum = line('.')
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let cnum = col('.')
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let lines = getline(1, '$')
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" Insert the base and magic token into the current line.
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let curline = lines[lnum - 1]
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let lines[lnum - 1] = curline[:cnum - 1] . a:base . s:autotok . curline[cnum :]
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" Pass the buffer to flow.
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let buffer = join(lines, "\n")
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let command = g:flow#flowpath.' autocomplete '.expand('%:p')
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let result = system(command, buffer)
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if result =~ '^Error: not enough type information to autocomplete' ||
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\ result =~ '^Could not find file or directory'
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return []
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endif
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let matches = []
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" Parse the flow output.
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for line in split(result, "\n")
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if empty(line) | continue | endif
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let entry = {}
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let space = stridx(line, ' ')
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let word = line[:space - 1]
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let type = line[space + 1 :]
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" Skip matches that don't start with the base"
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if (stridx(word, a:base) != 0) | continue | endif
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" This is pretty hacky. We're using regexes to recognize the different
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" kind of matches. Really in the future we should somehow consume the json
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" output
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if type =~ '^(.*) =>'
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let entry = { 'word': word, 'kind': a:base, 'menu': type }
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elseif type =~ '^[class:'
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let entry = { 'word': word, 'kind': 'c', 'menu': type }
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else
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let entry = { 'word': word, 'kind': 'v', 'menu': type }
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endif
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call add(matches, entry)
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endfor
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return matches
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endfunction
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