2014-01-13 14:08:43 -05:00
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# Copyright (C) 2013 Google Inc.
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2014-01-04 17:28:27 -05:00
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#
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# This file is part of YouCompleteMe.
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#
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# YouCompleteMe is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# YouCompleteMe is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with YouCompleteMe. If not, see <http://www.gnu.org/licenses/>.
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2016-02-27 19:12:24 -05:00
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from __future__ import unicode_literals
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from __future__ import print_function
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from __future__ import division
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from __future__ import absolute_import
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# Not installing aliases from python-future; it's unreliable and slow.
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2016-02-27 19:12:24 -05:00
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from builtins import * # noqa
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from future.utils import itervalues, iteritems
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from collections import defaultdict
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2014-01-04 17:28:27 -05:00
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from ycm import vimsupport
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2016-10-23 10:29:54 -04:00
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from ycm.diagnostic_filter import DiagnosticFilter, CompileLevel
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class DiagnosticInterface( object ):
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def __init__( self, bufnr, user_options ):
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self._bufnr = bufnr
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self._user_options = user_options
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self._diagnostics = []
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self._diag_filter = DiagnosticFilter.CreateFromOptions( user_options )
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# Line and column numbers are 1-based
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self._line_to_diags = defaultdict( list )
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self._next_sign_id = vimsupport.SIGN_BUFFER_ID_INITIAL_VALUE
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self._previous_diag_line_number = -1
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self._diag_message_needs_clearing = False
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def OnCursorMoved( self ):
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if self._user_options[ 'echo_current_diagnostic' ]:
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line, _ = vimsupport.CurrentLineAndColumn()
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line += 1 # Convert to 1-based
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if line != self._previous_diag_line_number:
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self._EchoDiagnosticForLine( line )
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def GetErrorCount( self ):
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return self._DiagnosticsCount( _DiagnosticIsError )
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def GetWarningCount( self ):
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return self._DiagnosticsCount( _DiagnosticIsWarning )
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def PopulateLocationList( self ):
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# Do nothing if loc list is already populated by diag_interface
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if not self._user_options[ 'always_populate_location_list' ]:
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self._UpdateLocationList()
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return bool( self._diagnostics )
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def UpdateWithNewDiagnostics( self, diags ):
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self._diagnostics = [ _NormalizeDiagnostic( x ) for x in
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self._ApplyDiagnosticFilter( diags ) ]
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self._ConvertDiagListToDict()
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if self._user_options[ 'echo_current_diagnostic' ]:
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self._EchoDiagnostic()
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if self._user_options[ 'enable_diagnostic_signs' ]:
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self._UpdateSigns()
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if self._user_options[ 'enable_diagnostic_highlighting' ]:
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self._UpdateSquiggles()
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if self._user_options[ 'always_populate_location_list' ]:
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self._UpdateLocationList()
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def _ApplyDiagnosticFilter( self, diags ):
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filetypes = vimsupport.GetBufferFiletypes( self._bufnr )
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diag_filter = self._diag_filter.SubsetForTypes( filetypes )
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return filter( diag_filter.IsAllowed, diags )
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def _EchoDiagnostic( self ):
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line, _ = vimsupport.CurrentLineAndColumn()
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line += 1 # Convert to 1-based
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self._EchoDiagnosticForLine( line )
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def _EchoDiagnosticForLine( self, line_num ):
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self._previous_diag_line_number = line_num
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diags = self._line_to_diags[ line_num ]
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if not diags:
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if self._diag_message_needs_clearing:
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# Clear any previous diag echo
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vimsupport.PostVimMessage( '', warning = False )
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self._diag_message_needs_clearing = False
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return
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first_diag = diags[ 0 ]
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text = first_diag[ 'text' ]
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if first_diag.get( 'fixit_available', False ):
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text += ' (FixIt)'
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vimsupport.PostVimMessage( text, warning = False, truncate = True )
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self._diag_message_needs_clearing = True
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def _DiagnosticsCount( self, predicate ):
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count = 0
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for diags in itervalues( self._line_to_diags ):
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count += sum( 1 for d in diags if predicate( d ) )
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return count
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def _UpdateLocationList( self ):
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vimsupport.SetLocationListForBuffer(
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self._bufnr,
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vimsupport.ConvertDiagnosticsToQfList( self._diagnostics ) )
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def _UpdateSquiggles( self ):
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vimsupport.ClearYcmSyntaxMatches()
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for diags in itervalues( self._line_to_diags ):
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# Insert squiggles in reverse order so that errors overlap warnings.
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for diag in reversed( diags ):
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location_extent = diag[ 'location_extent' ]
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is_error = _DiagnosticIsError( diag )
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if location_extent[ 'start' ][ 'line_num' ] <= 0:
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location = diag[ 'location' ]
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vimsupport.AddDiagnosticSyntaxMatch(
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location[ 'line_num' ],
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location[ 'column_num' ],
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is_error = is_error )
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else:
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vimsupport.AddDiagnosticSyntaxMatch(
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location_extent[ 'start' ][ 'line_num' ],
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location_extent[ 'start' ][ 'column_num' ],
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location_extent[ 'end' ][ 'line_num' ],
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location_extent[ 'end' ][ 'column_num' ],
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is_error = is_error )
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for diag_range in diag[ 'ranges' ]:
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vimsupport.AddDiagnosticSyntaxMatch(
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diag_range[ 'start' ][ 'line_num' ],
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diag_range[ 'start' ][ 'column_num' ],
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diag_range[ 'end' ][ 'line_num' ],
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diag_range[ 'end' ][ 'column_num' ],
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is_error = is_error )
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def _UpdateSigns( self ):
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signs_to_unplace = vimsupport.GetSignsInBuffer( self._bufnr )
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for line, diags in iteritems( self._line_to_diags ):
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if not diags:
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continue
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# We always go for the first diagnostic on the line because diagnostics
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# are sorted by errors in priority and Vim can only display one sign by
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# line.
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name = 'YcmError' if _DiagnosticIsError( diags[ 0 ] ) else 'YcmWarning'
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sign = vimsupport.DiagnosticSign( self._next_sign_id,
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line,
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name,
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self._bufnr )
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try:
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signs_to_unplace.remove( sign )
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except ValueError:
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vimsupport.PlaceSign( sign )
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self._next_sign_id += 1
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for sign in signs_to_unplace:
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vimsupport.UnplaceSign( sign )
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def _ConvertDiagListToDict( self ):
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self._line_to_diags = defaultdict( list )
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for diag in self._diagnostics:
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location = diag[ 'location' ]
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bufnr = vimsupport.GetBufferNumberForFilename( location[ 'filepath' ] )
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if bufnr == self._bufnr:
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line_number = location[ 'line_num' ]
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self._line_to_diags[ line_number ].append( diag )
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for diags in itervalues( self._line_to_diags ):
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# We also want errors to be listed before warnings so that errors aren't
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# hidden by the warnings; Vim won't place a sign over an existing one.
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diags.sort( key = lambda diag: ( diag[ 'kind' ],
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diag[ 'location' ][ 'column_num' ] ) )
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2014-01-04 21:32:42 -05:00
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_DiagnosticIsError = CompileLevel( 'error' )
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_DiagnosticIsWarning = CompileLevel( 'warning' )
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2014-10-29 13:16:38 -04:00
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def _NormalizeDiagnostic( diag ):
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def ClampToOne( value ):
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return value if value > 0 else 1
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location = diag[ 'location' ]
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location[ 'column_num' ] = ClampToOne( location[ 'column_num' ] )
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location[ 'line_num' ] = ClampToOne( location[ 'line_num' ] )
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return diag
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