196228217f
This was done by introducing a new ThreadedCompleter class that descends from Completer. Both JediCompleter and FilenameCompleter descend from ThreadedCompleter.
84 lines
2.5 KiB
Python
84 lines
2.5 KiB
Python
#!/usr/bin/env python
|
|
#
|
|
# Copyright (C) 2011, 2012 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/>.
|
|
|
|
import abc
|
|
from threading import Thread, Event
|
|
from completer import Completer
|
|
|
|
class ThreadedCompleter( Completer ):
|
|
def __init__( self ):
|
|
super( ThreadedCompleter, self ).__init__()
|
|
self._query_ready = Event()
|
|
self._candidates_ready = Event()
|
|
self._candidates = None
|
|
self._start_completion_thread()
|
|
|
|
|
|
def _start_completion_thread( self ):
|
|
self._completion_thread = Thread( target=self.SetCandidates )
|
|
self._completion_thread.daemon = True
|
|
self._completion_thread.start()
|
|
|
|
|
|
def CandidatesForQueryAsyncInner( self, query, start_column ):
|
|
self._candidates = None
|
|
self._candidates_ready.clear()
|
|
self._query = query
|
|
self._start_column = start_column
|
|
self._query_ready.set()
|
|
|
|
|
|
def AsyncCandidateRequestReadyInner( self ):
|
|
return WaitAndClearIfSet( self._candidates_ready, timeout=0.005 )
|
|
|
|
|
|
def CandidatesFromStoredRequestInner( self ):
|
|
return self._candidates or []
|
|
|
|
|
|
@abc.abstractmethod
|
|
def ComputeCandidates( self, query, start_column ):
|
|
pass
|
|
|
|
|
|
def SetCandidates( self ):
|
|
while True:
|
|
try:
|
|
WaitAndClearIfSet( self._query_ready )
|
|
self._candidates = self.ComputeCandidates( self._query,
|
|
self._start_column )
|
|
except:
|
|
self._query_ready.clear()
|
|
self._candidates = []
|
|
self._candidates_ready.set()
|
|
|
|
|
|
def WaitAndClearIfSet( event, timeout=None ):
|
|
"""Given an |event| and a |timeout|, waits for the event a maximum of timeout
|
|
seconds. After waiting, clears the event if it's set and returns the state of
|
|
the event before it was cleared."""
|
|
|
|
# We can't just do flag_is_set = event.wait( timeout ) because that breaks on
|
|
# Python 2.6
|
|
event.wait( timeout )
|
|
flag_is_set = event.is_set()
|
|
if flag_is_set:
|
|
event.clear()
|
|
return flag_is_set
|