YouCompleteMe/python/ycm/base.py
2013-05-19 20:06:14 -07:00

84 lines
2.4 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 os
import vim
from ycm import vimsupport
from ycm import utils
try:
import ycm_core
except ImportError as e:
vimsupport.PostVimMessage(
'Error importing ycm_core. Are you sure you have placed a version 3.2+ '
'libclang.[so|dll|dylib] in folder "{0}"? See the Installation Guide in '
'the docs. Full error: {1}'.format(
os.path.dirname( os.path.abspath( __file__ ) ), str( e ) ) )
def CompletionStartColumn():
"""Returns the 0-based index where the completion string should start. So if
the user enters:
foo.bar^
with the cursor being at the location of the caret, then the starting column
would be the index of the letter 'b'.
"""
line = vim.current.line
start_column = vimsupport.CurrentColumn()
while start_column > 0 and utils.IsIdentifierChar( line[ start_column - 1 ] ):
start_column -= 1
return start_column
def CurrentIdentifierFinished():
current_column = vimsupport.CurrentColumn()
previous_char_index = current_column - 1
if previous_char_index < 0:
return True
line = vim.current.line
try:
previous_char = line[ previous_char_index ]
except IndexError:
return False
if utils.IsIdentifierChar( previous_char ):
return False
if ( not utils.IsIdentifierChar( previous_char ) and
previous_char_index > 0 and
utils.IsIdentifierChar( line[ previous_char_index - 1 ] ) ):
return True
else:
return line[ : current_column ].isspace()
COMPATIBLE_WITH_CORE_VERSION = 3
def CompatibleWithYcmCore():
try:
current_core_version = ycm_core.YcmCoreVersion()
except AttributeError:
return False
return current_core_version == COMPATIBLE_WITH_CORE_VERSION