YouCompleteMe/python/completers/general/ultisnips_completer.py
Strahinja Val Markovic 8c0a9bc90e Fixing rare hang issue with ultisnips completer
The issue was that AsyncCandidateRequestReady in the ultisnips completer would
always return false if there were no snippets for the current filetype, leading
to an infinite loop in CompletionsForQuery.

Fixes #270.
2013-04-24 13:07:56 -07:00

69 lines
2.2 KiB
Python

#!/usr/bin/env python
#
# Copyright (C) 2013 Stanislav Golovanov <stgolovanov@gmail.com>
# Strahinja Val Markovic <val@markovic.io>
#
# This file is part of YouCompleteMe.
#
# YouCompleteMe is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# YouCompleteMe is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with YouCompleteMe. If not, see <http://www.gnu.org/licenses/>.
from completers.general_completer import GeneralCompleter
from UltiSnips import UltiSnips_Manager
class UltiSnipsCompleter( GeneralCompleter ):
"""
General completer that provides UltiSnips snippet names in completions.
"""
def __init__( self ):
super( UltiSnipsCompleter, self ).__init__()
self._candidates = None
self._filtered_candidates = None
def ShouldUseNowInner( self, start_column ):
return self.QueryLengthAboveMinThreshold( start_column )
def CandidatesForQueryAsync( self, query, unused_start_column ):
self._filtered_candidates = self.FilterAndSortCandidates( self._candidates,
query )
def AsyncCandidateRequestReady( self ):
return True
def CandidatesFromStoredRequest( self ):
return self._filtered_candidates if self._filtered_candidates else []
def OnFileReadyToParse( self ):
self._candidates = _GetCandidates()
def _GetCandidates():
try:
rawsnips = UltiSnips_Manager._snips( '', 1 )
# UltiSnips_Manager._snips() returns a class instance where:
# class.trigger - name of snippet trigger word ( e.g. defn or testcase )
# class.description - description of the snippet
return [ { 'word': str( snip.trigger ),
'menu': str( '<snip> ' + snip.description ) }
for snip in rawsnips ]
except:
return []