YouCompleteMe/python/ycm.py

91 lines
2.5 KiB
Python
Raw Normal View History

2012-04-15 19:57:10 -04:00
#!/usr/bin/env python
#
2012-04-15 23:28:46 -04:00
# Copyright (C) 2011, 2012 Strahinja Val Markovic <val@markovic.io>
2012-04-15 19:57:10 -04:00
#
# 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 re
import vim
import indexer
min_num_chars = int( vim.eval( "g:ycm_min_num_of_chars_for_completion" ) )
class CompletionSystem( object ):
def __init__( self ):
self.completer = indexer.Completer()
self.pattern = re.compile( r"[_a-zA-Z]\w*" )
def CompletionCandidatesForQuery( self, query ):
candidates = []
self.completer.GetCandidatesForQuery( SanitizeQuery( query ), candidates )
return candidates
def AddBufferIdentifiers( self ):
text = "\n".join( vim.current.buffer )
text = RemoveCppComments( text )
idents = re.findall( self.pattern, text )
self.completer.AddCandidatesToDatabase( idents )
def CurrentColumn():
# vim's columns start at 1 while vim.current.line columns start at 0
return int( vim.eval( "col('.')" ) ) - 1
def CompletionStartColumn():
line = vim.current.line
current_column = CurrentColumn()
start_column = current_column
while start_column > 0 and line[ start_column - 1 ].isalnum():
start_column -= 1
if current_column - start_column < min_num_chars:
return -1
return start_column
def EscapeForVim( text ):
return text.replace( "'", "''" )
def CurrentCursorText():
start_column = CompletionStartColumn()
current_column = CurrentColumn()
if current_column - start_column < min_num_chars:
return ""
cursor_text = vim.current.line[ start_column : current_column ]
return EscapeForVim( cursor_text )
def SanitizeQuery( query ):
return query.strip()
def RemoveCppComments( text ):
def replacer( match ):
s = match.group( 0 )
if s.startswith( '/' ):
return ""
else:
return s
pattern = re.compile(
r'//.*?$|/\*.*?\*/|\'(?:\\.|[^\\\'])*\'|"(?:\\.|[^\\"])*"',
re.DOTALL | re.MULTILINE )
return re.sub( pattern, replacer, text )