The UltiSnips completer works again

autoload/youcompleteme.vim

@@ -44,6 +44,7 @@ function! youcompleteme#Enable()
   py from ycm import vimsupport
   py from ycm import user_options_store
   py user_options_store.SetAll( base.BuildServerConf() )
+  " TODO: Remove the call to YcmPreload
   py from ycm import extra_conf_store
   py extra_conf_store.CallExtraConfYcmCorePreloadIfExists()
 
@@ -549,6 +550,7 @@ endfunction
 function! youcompleteme#OmniComplete( findstart, base )
   if a:findstart
     let s:omnifunc_mode = 1
+    " TODO: Force semantic mode here (<c-space> needs to work)
     return pyeval( 'ycm_state.CreateCompletionRequest().CompletionStartColumn()' )
   else
     return s:CompletionsForQuery( a:base )

cpp/ycm/Result.h

@@ -88,6 +88,7 @@ private:
 
 template< class T >
 struct ResultAnd {
+  // TODO: Swap the order of these parameters
   ResultAnd( T extra_object, const Result &result )
     : extra_object_( extra_object ), result_( result ) {}
 

python/ycm/completers/cpp/clang_completer.py

@@ -55,6 +55,9 @@ class ClangCompleter( Completer ):
     # in progress. We use this to trigger the pending request after the previous
     # one completes (from GetDiagnosticsForCurrentFile because that's the only
     # method that knows when the compilation has finished).
+    # TODO: Remove this now that we have multiple threads in the server; the
+    # subsequent requests that want to parse will just block until the current
+    # parse is done and will then proceed.
     self.extra_parse_desired = False
 
 
@@ -213,7 +216,6 @@ class ClangCompleter( Completer ):
     self.flags.Clear()
 
 
-
   def OnFileReadyToParse( self, request_data ):
     filename = request_data[ 'filepath' ]
     contents = request_data[ 'file_data' ][ filename ][ 'contents' ]

python/ycm/completers/general/general_completer_store.py

@@ -21,13 +21,7 @@
 from ycm.completers.completer import Completer
 from ycm.completers.all.identifier_completer import IdentifierCompleter
 from ycm.completers.general.filename_completer import FilenameCompleter
-
-try:
 from ycm.completers.general.ultisnips_completer import UltiSnipsCompleter
-  USE_ULTISNIPS_COMPLETER = True
-except ImportError:
-  USE_ULTISNIPS_COMPLETER = False
-
 
 
 class GeneralCompleterStore( Completer ):
@@ -42,8 +36,7 @@ class GeneralCompleterStore( Completer ):
     super( GeneralCompleterStore, self ).__init__( user_options )
     self._identifier_completer = IdentifierCompleter( user_options )
     self._filename_completer = FilenameCompleter( user_options )
-    self._ultisnips_completer = ( UltiSnipsCompleter( user_options )
-                                  if USE_ULTISNIPS_COMPLETER else None )
+    self._ultisnips_completer = UltiSnipsCompleter( user_options )
     self._non_filename_completers = filter( lambda x: x,
                                             [ self._ultisnips_completer,
                                               self._identifier_completer ] )

python/ycm/completers/general/ultisnips_completer.py

@@ -19,7 +19,6 @@
 # along with YouCompleteMe.  If not, see <http://www.gnu.org/licenses/>.
 
 from ycm.completers.general_completer import GeneralCompleter
-from UltiSnips import UltiSnips_Manager
 from ycm.server import responses
 
 
@@ -52,21 +51,10 @@ class UltiSnipsCompleter( GeneralCompleter ):
 
 
   def OnBufferVisit( self, request_data ):
-    # TODO: _GetCandidates should be called on the client and it should send
-    # the snippets to the server
-    self._candidates = _GetCandidates()
+    raw_candidates = request_data[ 'ultisnips_snippets' ]
+    self._candidates = [
+        responses.BuildCompletionData(
+            str( snip[ 'trigger' ] ),
+            str( '<snip> ' + snip[ 'description' ].encode( 'utf-8' ) ) )
+        for snip in raw_candidates ]
 
-
-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 [ responses.BuildCompletionData(
-              str( snip.trigger ),
-              str( '<snip> ' + snip.description.encode( 'utf-8' ) ) )
-            for snip in rawsnips ]
-  except:
-    return []

python/ycm/server/tests/basic_test.py

@@ -20,7 +20,7 @@
 from webtest import TestApp
 from .. import ycmd
 from ..responses import BuildCompletionData
-from nose.tools import ok_, eq_
+from nose.tools import ok_, eq_, with_setup
 import bottle
 
 bottle.debug( True )
@@ -40,7 +40,12 @@ def RequestDataForFileWithContents( filename, contents ):
   }
 
 
-def GetCompletions_IdentifierCompleterWorks_test():
+def Setup():
+  ycmd.SetServerStateToDefaults()
+
+
+@with_setup( Setup )
+def GetCompletions_IdentifierCompleter_Works_test():
   app = TestApp( ycmd.app )
   event_data = RequestDataForFileWithContents( '/foo/bar', 'foo foogoo ba' )
   event_data.update( {
@@ -63,6 +68,7 @@ def GetCompletions_IdentifierCompleterWorks_test():
        app.post_json( '/get_completions', completion_data ).json )
 
 
+@with_setup( Setup )
 def GetCompletions_IdentifierCompleter_SyntaxKeywordsAdded_test():
   app = TestApp( ycmd.app )
   event_data = RequestDataForFileWithContents( '/foo/bar', '' )
@@ -87,6 +93,34 @@ def GetCompletions_IdentifierCompleter_SyntaxKeywordsAdded_test():
        app.post_json( '/get_completions', completion_data ).json )
 
 
+@with_setup( Setup )
+def GetCompletions_UltiSnipsCompleter_Works_test():
+  app = TestApp( ycmd.app )
+  event_data = RequestDataForFileWithContents( '/foo/bar', '' )
+  event_data.update( {
+    'event_name': 'BufferVisit',
+    'ultisnips_snippets': [
+        {'trigger': 'foo', 'description': 'bar'},
+        {'trigger': 'zoo', 'description': 'goo'},
+    ]
+  } )
+
+  app.post_json( '/event_notification', event_data )
+
+  completion_data = RequestDataForFileWithContents( '/foo/bar', 'oo ' )
+  completion_data.update( {
+    'query': 'oo',
+    'line_num': 0,
+    'column_num': 2,
+    'start_column': 0,
+  } )
+
+  eq_( [ BuildCompletionData( 'foo', '<snip> bar' ),
+         BuildCompletionData( 'zoo', '<snip> goo' ) ],
+       app.post_json( '/get_completions', completion_data ).json )
+
+
+@with_setup( Setup )
 def FiletypeCompletionAvailable_Works_test():
   app = TestApp( ycmd.app )
   request_data = {
@@ -97,6 +131,7 @@ def FiletypeCompletionAvailable_Works_test():
                       request_data ).json )
 
 
+@with_setup( Setup )
 def UserOptions_Works_test():
   app = TestApp( ycmd.app )
   options = app.get( '/user_options' ).json

python/ycm/server/ycmd.py

@@ -43,9 +43,8 @@ import argparse
 # size is less than this
 bottle.Request.MEMFILE_MAX = 300 * 1024
 
-user_options_store.LoadDefaults()
-SERVER_STATE = server_state.ServerState( user_options_store.GetAll() )
-
+SERVER_STATE = None
+# TODO: is init needed here?
 LOGGER = logging.getLogger( __name__ )
 app = bottle.Bottle()
 
@@ -132,14 +131,21 @@ def _JsonResponse( data ):
 
 @atexit.register
 def _ServerShutdown():
+  if SERVER_STATE:
     SERVER_STATE.Shutdown()
 
 
 def _SetUserOptions( options ):
   global SERVER_STATE
 
-  SERVER_STATE = server_state.ServerState( options )
   user_options_store.SetAll( options )
+  SERVER_STATE = server_state.ServerState( options )
+
+
+def SetServerStateToDefaults():
+  global SERVER_STATE
+  user_options_store.LoadDefaults()
+  SERVER_STATE = server_state.ServerState( user_options_store.GetAll() )
 
 
 def Main():

python/ycm/youcompleteme.py

@@ -32,6 +32,12 @@ from ycm.client.command_request import SendCommandRequest
 from ycm.client.completion_request import CompletionRequest
 from ycm.client.event_notification import SendEventNotificationAsync
 
+try:
+  from UltiSnips import UltiSnips_Manager
+  USE_ULTISNIPS_DATA = True
+except ImportError:
+  USE_ULTISNIPS_DATA = False
+
 SERVER_PORT_RANGE_START = 10000
 
 class YouCompleteMe( object ):
@@ -145,7 +151,9 @@ class YouCompleteMe( object ):
 
 
   def OnBufferVisit( self ):
-    SendEventNotificationAsync( 'BufferVisit' )
+    extra_data = {}
+    _AddUltiSnipsDataIfNeeded( extra_data )
+    SendEventNotificationAsync( 'BufferVisit', extra_data )
 
 
   def OnInsertLeave( self ):
@@ -237,3 +245,21 @@ def _PathToServerScript():
   dir_of_current_script = os.path.dirname( os.path.abspath( __file__ ) )
   return os.path.join( dir_of_current_script, 'server/ycmd.py' )
 
+
+def _AddUltiSnipsDataIfNeeded( extra_data ):
+  if not USE_ULTISNIPS_DATA:
+    return
+
+  try:
+    rawsnips = UltiSnips_Manager._snips( '', 1 )
+  except:
+    return
+
+  # 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
+  extra_data[ 'ultisnips_snippets' ] = [ { 'trigger': x.trigger,
+                                           'description': x.description
+                                         } for x in rawsnips ]
+
+