YouCompleteMe/python/ycm/completers/cs/cs_completer.py
Spencer G. Jones 81973caf05 Call OmniSharpServer correctly in Cygwin
Cygwin should not call OmniSharpServer with mono
Update OmniSharpServer submodule for new client path mode parameter
Pass client path mode to OmniSharpServer on run
2014-03-20 08:40:43 -06:00

286 lines
9.9 KiB
Python
Executable File

#!/usr/bin/env python
#
# Copyright (C) 2011, 2012 Chiel ten Brinke <ctenbrinke@gmail.com>
# Google Inc.
#
# 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 os
import glob
from ycm.completers.completer import Completer
from ycm.server import responses
from ycm import utils
import urllib2
import urllib
import urlparse
import json
import logging
SERVER_NOT_FOUND_MSG = ( 'OmniSharp server binary not found at {0}. ' +
'Did you compile it? You can do so by running ' +
'"./install.sh --omnisharp-completer".' )
class CsharpCompleter( Completer ):
"""
A Completer that uses the Omnisharp server as completion engine.
"""
subcommands = {
'StartServer': (lambda self, request_data: self._StartServer( request_data )),
'StopServer': (lambda self, request_data: self._StopServer()),
'RestartServer': (lambda self, request_data: self._RestartServer( request_data )),
'ReloadSolution': (lambda self, request_data: self._ReloadSolution()),
'ServerRunning': (lambda self, request_data: self._ServerIsRunning()),
'ServerReady': (lambda self, request_data: self._ServerIsReady()),
'GoToDefinition': (lambda self, request_data: self._GoToDefinition( request_data )),
'GoToDeclaration': (lambda self, request_data: self._GoToDefinition( request_data )),
'GoToDefinitionElseDeclaration': (lambda self, request_data: self._GoToDefinition( request_data ))
}
def __init__( self, user_options ):
super( CsharpCompleter, self ).__init__( user_options )
self._omnisharp_port = None
self._logger = logging.getLogger( __name__ )
def Shutdown( self ):
if ( self.user_options[ 'auto_stop_csharp_server' ] and
self._ServerIsRunning() ):
self._StopServer()
def SupportedFiletypes( self ):
""" Just csharp """
return [ 'cs' ]
def ComputeCandidatesInner( self, request_data ):
return [ responses.BuildCompletionData(
completion[ 'CompletionText' ],
completion[ 'DisplayText' ],
completion[ 'Description' ] )
for completion in self._GetCompletions( request_data ) ]
def DefinedSubcommands( self ):
return CsharpCompleter.subcommands.keys()
def OnFileReadyToParse( self, request_data ):
if ( not self._omnisharp_port and
self.user_options[ 'auto_start_csharp_server' ] ):
self._StartServer( request_data )
def OnUserCommand( self, arguments, request_data ):
if not arguments:
raise ValueError( self.UserCommandsHelpMessage() )
command = arguments[ 0 ]
if command in CsharpCompleter.subcommands:
command_lamba = CsharpCompleter.subcommands[ command ]
return command_lamba( self, request_data )
else:
raise ValueError( self.UserCommandsHelpMessage() )
def DebugInfo( self ):
if self._ServerIsRunning():
return 'Server running at: {0}\nLogfiles:\n{1}\n{2}'.format(
self._ServerLocation(), self._filename_stdout, self._filename_stderr )
else:
return 'Server is not running'
def _StartServer( self, request_data ):
""" Start the OmniSharp server """
self._logger.info( 'startup' )
self._omnisharp_port = utils.GetUnusedLocalhostPort()
solution_files, folder = _FindSolutionFiles( request_data[ 'filepath' ] )
if len( solution_files ) == 0:
raise RuntimeError(
'Error starting OmniSharp server: no solutionfile found' )
elif len( solution_files ) == 1:
solutionfile = solution_files[ 0 ]
else:
# multiple solutions found : if there is one whose name is the same
# as the folder containing the file we edit, use this one
# (e.g. if we have bla/Project.sln and we are editing
# bla/Project/Folder/File.cs, use bla/Project.sln)
filepath_components = _PathComponents( request_data[ 'filepath' ] )
solutionpath = _PathComponents( folder )
foldername = ''
if len( filepath_components ) > len( solutionpath ):
foldername = filepath_components[ len( solutionpath ) ]
solution_file_candidates = [ sfile for sfile in solution_files
if _GetFilenameWithoutExtension( sfile ) == foldername ]
if len( solution_file_candidates ) == 1:
solutionfile = solution_file_candidates[ 0 ]
else:
raise RuntimeError(
'Found multiple solution files instead of one!\n{0}'.format(
solution_files ) )
omnisharp = os.path.join(
os.path.abspath( os.path.dirname( __file__ ) ),
'OmniSharpServer/OmniSharp/bin/Debug/OmniSharp.exe' )
if not os.path.isfile( omnisharp ):
raise RuntimeError( SERVER_NOT_FOUND_MSG.format( omnisharp ) )
path_to_solutionfile = os.path.join( folder, solutionfile )
# we need to pass the command to Popen as a string since we're passing
# shell=True (as recommended by Python's doc)
command = ( omnisharp + ' -p ' + str( self._omnisharp_port ) + ' -s ' +
path_to_solutionfile )
if not utils.OnWindows() and not utils.OnCygwin():
command = 'mono ' + command
if utils.OnCygwin():
command = command + ' --client-path-mode Cygwin'
filename_format = os.path.join( utils.PathToTempDir(),
'omnisharp_{port}_{sln}_{std}.log' )
self._filename_stdout = filename_format.format(
port=self._omnisharp_port, sln=solutionfile, std='stdout' )
self._filename_stderr = filename_format.format(
port=self._omnisharp_port, sln=solutionfile, std='stderr' )
with open( self._filename_stderr, 'w' ) as fstderr:
with open( self._filename_stdout, 'w' ) as fstdout:
# shell=True is needed for Windows so OmniSharp does not spawn
# in a new visible window
utils.SafePopen( command, stdout=fstdout, stderr=fstderr, shell=True )
self._logger.info( 'Starting OmniSharp server' )
def _StopServer( self ):
""" Stop the OmniSharp server """
self._GetResponse( '/stopserver' )
self._omnisharp_port = None
self._logger.info( 'Stopping OmniSharp server' )
def _RestartServer ( self, request_data ):
""" Restarts the OmniSharp server """
if self._ServerIsRunning():
self._StopServer()
return self._StartServer( request_data )
def _ReloadSolution( self ):
""" Reloads the solutions in the OmniSharp server """
self._logger.info( 'Reloading Solution in OmniSharp server' )
return self._GetResponse( '/reloadsolution' )
def _GetCompletions( self, request_data ):
""" Ask server for completions """
completions = self._GetResponse( '/autocomplete',
self._DefaultParameters( request_data ) )
return completions if completions != None else []
def _GoToDefinition( self, request_data ):
""" Jump to definition of identifier under cursor """
definition = self._GetResponse( '/gotodefinition',
self._DefaultParameters( request_data ) )
if definition[ 'FileName' ] != None:
return responses.BuildGoToResponse( definition[ 'FileName' ],
definition[ 'Line' ],
definition[ 'Column' ] )
else:
raise RuntimeError( 'Can\'t jump to definition' )
def _DefaultParameters( self, request_data ):
""" Some very common request parameters """
parameters = {}
parameters[ 'line' ] = request_data[ 'line_num' ] + 1
parameters[ 'column' ] = request_data[ 'column_num' ] + 1
filepath = request_data[ 'filepath' ]
parameters[ 'buffer' ] = request_data[ 'file_data' ][ filepath ][
'contents' ]
parameters[ 'filename' ] = filepath
return parameters
def _ServerIsRunning( self ):
""" Check if our OmniSharp server is running """
try:
return bool( self._omnisharp_port and
self._GetResponse( '/checkalivestatus', silent = True ) )
except:
return False
def _ServerIsReady( self ):
""" Check if our OmniSharp server is ready """
try:
return bool( self._omnisharp_port and
self._GetResponse( '/checkreadystatus', silent = True ) )
except:
return False
def _ServerLocation( self ):
return 'http://localhost:' + str( self._omnisharp_port )
def _GetResponse( self, handler, parameters = {}, silent = False ):
""" Handle communication with server """
# TODO: Replace usage of urllib with Requests
target = urlparse.urljoin( self._ServerLocation(), handler )
parameters = urllib.urlencode( parameters )
response = urllib2.urlopen( target, parameters )
return json.loads( response.read() )
def _FindSolutionFiles( filepath ):
""" Find solution files by searching upwards in the file tree """
folder = os.path.dirname( filepath )
solutionfiles = glob.glob1( folder, '*.sln' )
while not solutionfiles:
lastfolder = folder
folder = os.path.dirname( folder )
if folder == lastfolder:
break
solutionfiles = glob.glob1( folder, '*.sln' )
return solutionfiles, folder
def _PathComponents( path ):
path_components = []
while True:
path, folder = os.path.split( path )
if folder:
path_components.append( folder )
else:
if path:
path_components.append( path )
break
path_components.reverse()
return path_components
def _GetFilenameWithoutExtension( path ):
return os.path.splitext( os.path.basename ( path ) )[ 0 ]