1146 lines
42 KiB
Python
1146 lines
42 KiB
Python
# Copyright (C) 2011-2018 YouCompleteMe contributors
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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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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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from builtins import * # noqa
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from future.utils import iterkeys
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import vim
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import os
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import json
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import re
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from collections import defaultdict, namedtuple
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from ycmd.utils import ( ByteOffsetToCodepointOffset, GetCurrentDirectory,
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JoinLinesAsUnicode, ToBytes, ToUnicode )
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from ycmd import user_options_store
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BUFFER_COMMAND_MAP = { 'same-buffer' : 'edit',
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'horizontal-split' : 'split',
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'vertical-split' : 'vsplit',
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'new-tab' : 'tabedit' }
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FIXIT_OPENING_BUFFERS_MESSAGE_FORMAT = (
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'The requested operation will apply changes to {0} files which are not '
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'currently open. This will therefore open {0} new files in the hidden '
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'buffers. The quickfix list can then be used to review the changes. No '
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'files will be written to disk. Do you wish to continue?' )
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NO_SELECTION_MADE_MSG = "No valid selection was made; aborting."
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# This is the starting value assigned to the sign's id of each buffer. This
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# value is then incremented for each new sign. This should prevent conflicts
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# with other plugins using signs.
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SIGN_BUFFER_ID_INITIAL_VALUE = 100000000
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SIGN_PLACE_REGEX = re.compile(
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r"^.*=(?P<line>\d+).*=(?P<id>\d+).*=(?P<name>Ycm\w+)$" )
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def CurrentLineAndColumn():
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"""Returns the 0-based current line and 0-based current column."""
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# See the comment in CurrentColumn about the calculation for the line and
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# column number
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line, column = vim.current.window.cursor
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line -= 1
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return line, column
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def SetCurrentLineAndColumn( line, column ):
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"""Sets the cursor position to the 0-based line and 0-based column."""
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# Line from vim.current.window.cursor is 1-based.
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vim.current.window.cursor = ( line + 1, column )
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def CurrentColumn():
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"""Returns the 0-based current column. Do NOT access the CurrentColumn in
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vim.current.line. It doesn't exist yet when the cursor is at the end of the
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line. Only the chars before the current column exist in vim.current.line."""
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# vim's columns are 1-based while vim.current.line columns are 0-based
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# ... but vim.current.window.cursor (which returns a (line, column) tuple)
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# columns are 0-based, while the line from that same tuple is 1-based.
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# vim.buffers buffer objects OTOH have 0-based lines and columns.
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# Pigs have wings and I'm a loopy purple duck. Everything makes sense now.
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return vim.current.window.cursor[ 1 ]
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def CurrentLineContents():
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return ToUnicode( vim.current.line )
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def CurrentLineContentsAndCodepointColumn():
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"""Returns the line contents as a unicode string and the 0-based current
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column as a codepoint offset. If the current column is outside the line,
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returns the column position at the end of the line."""
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line = CurrentLineContents()
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byte_column = CurrentColumn()
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# ByteOffsetToCodepointOffset expects 1-based offset.
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column = ByteOffsetToCodepointOffset( line, byte_column + 1 ) - 1
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return line, column
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def TextAfterCursor():
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"""Returns the text after CurrentColumn."""
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return ToUnicode( vim.current.line[ CurrentColumn(): ] )
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def TextBeforeCursor():
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"""Returns the text before CurrentColumn."""
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return ToUnicode( vim.current.line[ :CurrentColumn() ] )
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def BufferModified( buffer_object ):
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return buffer_object.options[ 'mod' ]
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def GetBufferData( buffer_object ):
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return {
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# Add a newline to match what gets saved to disk. See #1455 for details.
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'contents': JoinLinesAsUnicode( buffer_object ) + '\n',
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'filetypes': FiletypesForBuffer( buffer_object )
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}
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def GetUnsavedAndSpecifiedBufferData( included_buffer, included_filepath ):
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"""Build part of the request containing the contents and filetypes of all
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dirty buffers as well as the buffer |included_buffer| with its filepath
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|included_filepath|."""
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buffers_data = { included_filepath: GetBufferData( included_buffer ) }
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for buffer_object in vim.buffers:
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if not BufferModified( buffer_object ):
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continue
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filepath = GetBufferFilepath( buffer_object )
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if filepath in buffers_data:
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continue
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buffers_data[ filepath ] = GetBufferData( buffer_object )
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return buffers_data
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def GetBufferNumberForFilename( filename, create_buffer_if_needed = False ):
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return GetIntValue( u"bufnr('{0}', {1})".format(
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EscapeForVim( os.path.realpath( filename ) ),
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int( create_buffer_if_needed ) ) )
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def GetCurrentBufferFilepath():
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return GetBufferFilepath( vim.current.buffer )
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def BufferIsVisible( buffer_number ):
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if buffer_number < 0:
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return False
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window_number = GetIntValue( "bufwinnr({0})".format( buffer_number ) )
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return window_number != -1
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def GetBufferFilepath( buffer_object ):
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if buffer_object.name:
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return os.path.normpath( ToUnicode( buffer_object.name ) )
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# Buffers that have just been created by a command like :enew don't have any
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# buffer name so we use the buffer number for that.
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return os.path.join( GetCurrentDirectory(), str( buffer_object.number ) )
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def GetCurrentBufferNumber():
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return vim.current.buffer.number
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def GetBufferChangedTick( bufnr ):
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return GetIntValue( 'getbufvar({0}, "changedtick")'.format( bufnr ) )
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def CaptureVimCommand( command ):
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vim.command( 'redir => b:ycm_command' )
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vim.command( 'silent! {}'.format( command ) )
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vim.command( 'redir END' )
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output = vim.eval( 'b:ycm_command' )
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vim.command( 'unlet b:ycm_command' )
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return output
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class DiagnosticSign( namedtuple( 'DiagnosticSign',
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[ 'id', 'line', 'name', 'buffer_number' ] ) ):
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# We want two signs that have different ids but the same location to compare
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# equal. ID doesn't matter.
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def __eq__( self, other ):
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return ( self.line == other.line and
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self.name == other.name and
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self.buffer_number == other.buffer_number )
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def GetSignsInBuffer( buffer_number ):
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sign_output = CaptureVimCommand(
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'sign place buffer={}'.format( buffer_number ) )
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signs = []
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for line in sign_output.split( '\n' ):
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match = SIGN_PLACE_REGEX.search( line )
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if match:
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signs.append( DiagnosticSign( int( match.group( 'id' ) ),
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int( match.group( 'line' ) ),
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match.group( 'name' ),
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buffer_number ) )
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return signs
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def UnplaceSign( sign ):
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vim.command( 'sign unplace {0} buffer={1}'.format( sign.id,
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sign.buffer_number ) )
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def PlaceSign( sign ):
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vim.command( 'sign place {0} name={1} line={2} buffer={3}'.format(
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sign.id, sign.name, sign.line, sign.buffer_number ) )
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def ClearYcmSyntaxMatches():
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matches = VimExpressionToPythonType( 'getmatches()' )
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for match in matches:
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if match[ 'group' ].startswith( 'Ycm' ):
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vim.eval( 'matchdelete({0})'.format( match[ 'id' ] ) )
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def AddDiagnosticSyntaxMatch( line_num,
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column_num,
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line_end_num = None,
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column_end_num = None,
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is_error = True ):
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"""Highlight a range in the current window starting from
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(|line_num|, |column_num|) included to (|line_end_num|, |column_end_num|)
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excluded. If |line_end_num| or |column_end_num| are not given, highlight the
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character at (|line_num|, |column_num|). Both line and column numbers are
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1-based. Return the ID of the newly added match."""
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group = 'YcmErrorSection' if is_error else 'YcmWarningSection'
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line_num, column_num = LineAndColumnNumbersClamped( line_num, column_num )
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if not line_end_num or not column_end_num:
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return GetIntValue(
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"matchadd('{0}', '\%{1}l\%{2}c')".format( group, line_num, column_num ) )
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# -1 and then +1 to account for column end not included in the range.
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line_end_num, column_end_num = LineAndColumnNumbersClamped(
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line_end_num, column_end_num - 1 )
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column_end_num += 1
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return GetIntValue(
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"matchadd('{0}', '\%{1}l\%{2}c\_.\\{{-}}\%{3}l\%{4}c')".format(
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group, line_num, column_num, line_end_num, column_end_num ) )
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# Clamps the line and column numbers so that they are not past the contents of
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# the buffer. Numbers are 1-based byte offsets.
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def LineAndColumnNumbersClamped( line_num, column_num ):
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new_line_num = line_num
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new_column_num = column_num
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max_line = len( vim.current.buffer )
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if line_num and line_num > max_line:
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new_line_num = max_line
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max_column = len( vim.current.buffer[ new_line_num - 1 ] )
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if column_num and column_num > max_column:
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new_column_num = max_column
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return new_line_num, new_column_num
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def SetLocationList( diagnostics ):
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"""Set the location list for the current window to the supplied diagnostics"""
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SetLocationListForWindow( 0, diagnostics )
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def GetWindowNumberForBufferDiagnostics( buffer_number ):
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"""Return an appropriate window number to use for displaying diagnostics
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associated with the buffer number supplied. Always returns a valid window
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number or 0 meaning the current window."""
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# Location lists are associated with _windows_ not _buffers_. This makes a lot
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# of sense, but YCM associates diagnostics with _buffers_, because it is the
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# buffer that actually gets parsed.
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#
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# The heuristic we use is to determine any open window for a specified buffer,
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# and set that. If there is no such window on the current tab page, we use the
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# current window (by passing 0 as the window number)
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if buffer_number == vim.current.buffer.number:
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return 0
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window_number = GetIntValue( "bufwinnr({0})".format( buffer_number ) )
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if window_number < 0:
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return 0
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return window_number
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def SetLocationListForBuffer( buffer_number, diagnostics ):
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"""Populate the location list of an apppropriate window for the supplied
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buffer number. See SetLocationListForWindow for format of diagnostics."""
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return SetLocationListForWindow(
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GetWindowNumberForBufferDiagnostics( buffer_number ),
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diagnostics )
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def SetLocationListForWindow( window_number, diagnostics ):
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"""Populate the location list with diagnostics. Diagnostics should be in
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qflist format; see ":h setqflist" for details."""
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vim.eval( 'setloclist( {0}, {1} )'.format( window_number,
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json.dumps( diagnostics ) ) )
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def OpenLocationList( focus = False, autoclose = False ):
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"""Open the location list to the bottom of the current window with its
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height automatically set to fit all entries. This behavior can be overridden
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by using the YcmLocationOpened autocommand. When focus is set to True, the
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location list window becomes the active window. When autoclose is set to True,
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the location list window is automatically closed after an entry is
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selected."""
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vim.command( 'lopen' )
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SetFittingHeightForCurrentWindow()
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if autoclose:
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# This autocommand is automatically removed when the location list window is
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# closed.
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vim.command( 'au WinLeave <buffer> q' )
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if VariableExists( '#User#YcmLocationOpened' ):
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vim.command( 'doautocmd User YcmLocationOpened' )
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if not focus:
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JumpToPreviousWindow()
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def SetQuickFixList( quickfix_list ):
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"""Populate the quickfix list and open it. List should be in qflist format:
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see ":h setqflist" for details."""
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vim.eval( 'setqflist( {0} )'.format( json.dumps( quickfix_list ) ) )
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def OpenQuickFixList( focus = False, autoclose = False ):
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"""Open the quickfix list to full width at the bottom of the screen with its
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height automatically set to fit all entries. This behavior can be overridden
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by using the YcmQuickFixOpened autocommand.
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See the OpenLocationList function for the focus and autoclose options."""
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vim.command( 'botright copen' )
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SetFittingHeightForCurrentWindow()
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if autoclose:
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# This autocommand is automatically removed when the quickfix window is
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# closed.
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vim.command( 'au WinLeave <buffer> q' )
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if VariableExists( '#User#YcmQuickFixOpened' ):
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vim.command( 'doautocmd User YcmQuickFixOpened' )
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if not focus:
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JumpToPreviousWindow()
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def SetFittingHeightForCurrentWindow():
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window_width = GetIntValue( 'winwidth( 0 )' )
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fitting_height = 0
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for line in vim.current.buffer:
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fitting_height += len( line ) // window_width + 1
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vim.command( '{0}wincmd _'.format( fitting_height ) )
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def ConvertDiagnosticsToQfList( diagnostics ):
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def ConvertDiagnosticToQfFormat( diagnostic ):
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# See :h getqflist for a description of the dictionary fields.
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# Note that, as usual, Vim is completely inconsistent about whether
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# line/column numbers are 1 or 0 based in its various APIs. Here, it wants
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# them to be 1-based. The documentation states quite clearly that it
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# expects a byte offset, by which it means "1-based column number" as
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# described in :h getqflist ("the first column is 1").
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location = diagnostic[ 'location' ]
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line_num = location[ 'line_num' ]
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# libclang can give us diagnostics that point "outside" the file; Vim borks
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# on these.
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if line_num < 1:
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line_num = 1
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text = diagnostic[ 'text' ]
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if diagnostic.get( 'fixit_available', False ):
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text += ' (FixIt available)'
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return {
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'bufnr' : GetBufferNumberForFilename( location[ 'filepath' ],
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create_buffer_if_needed = True ),
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'lnum' : line_num,
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'col' : location[ 'column_num' ],
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'text' : text,
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'type' : diagnostic[ 'kind' ][ 0 ],
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'valid' : 1
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}
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return [ ConvertDiagnosticToQfFormat( x ) for x in diagnostics ]
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def GetVimGlobalsKeys():
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return vim.eval( 'keys( g: )' )
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def VimExpressionToPythonType( vim_expression ):
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"""Returns a Python type from the return value of the supplied Vim expression.
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If the expression returns a list, dict or other non-string type, then it is
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returned unmodified. If the string return can be converted to an
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integer, returns an integer, otherwise returns the result converted to a
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Unicode string."""
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result = vim.eval( vim_expression )
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if not ( isinstance( result, str ) or isinstance( result, bytes ) ):
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return result
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try:
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return int( result )
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except ValueError:
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return ToUnicode( result )
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def HiddenEnabled( buffer_object ):
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if buffer_object.options[ 'bh' ] == "hide":
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return True
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return GetBoolValue( '&hidden' )
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def BufferIsUsable( buffer_object ):
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return not BufferModified( buffer_object ) or HiddenEnabled( buffer_object )
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def EscapeFilepathForVimCommand( filepath ):
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to_eval = "fnameescape('{0}')".format( EscapeForVim( filepath ) )
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return GetVariableValue( to_eval )
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# Both |line| and |column| need to be 1-based
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def TryJumpLocationInOpenedTab( filename, line, column ):
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filepath = os.path.realpath( filename )
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for tab in vim.tabpages:
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for win in tab.windows:
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if GetBufferFilepath( win.buffer ) == filepath:
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vim.current.tabpage = tab
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vim.current.window = win
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vim.current.window.cursor = ( line, column - 1 )
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# Center the screen on the jumped-to location
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vim.command( 'normal! zz' )
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return True
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# 'filename' is not opened in any tab pages
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return False
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# Maps User command to vim command
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def GetVimCommand( user_command, default = 'edit' ):
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vim_command = BUFFER_COMMAND_MAP.get( user_command, default )
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if vim_command == 'edit' and not BufferIsUsable( vim.current.buffer ):
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vim_command = 'split'
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return vim_command
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# Both |line| and |column| need to be 1-based
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def JumpToLocation( filename, line, column ):
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# Add an entry to the jumplist
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vim.command( "normal! m'" )
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if filename != GetCurrentBufferFilepath():
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# We prefix the command with 'keepjumps' so that opening the file is not
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# recorded in the jumplist. So when we open the file and move the cursor to
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# a location in it, the user can use CTRL-O to jump back to the original
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# location, not to the start of the newly opened file.
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# Sadly this fails on random occasions and the undesired jump remains in the
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# jumplist.
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user_command = user_options_store.Value( 'goto_buffer_command' )
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if user_command == 'new-or-existing-tab':
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if TryJumpLocationInOpenedTab( filename, line, column ):
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return
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user_command = 'new-tab'
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vim_command = GetVimCommand( user_command )
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try:
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escaped_filename = EscapeFilepathForVimCommand( filename )
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vim.command( 'keepjumps {0} {1}'.format( vim_command, escaped_filename ) )
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# When the file we are trying to jump to has a swap file
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# Vim opens swap-exists-choices dialog and throws vim.error with E325 error,
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# or KeyboardInterrupt after user selects one of the options.
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except vim.error as e:
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if 'E325' not in str( e ):
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raise
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# Do nothing if the target file is still not opened (user chose (Q)uit)
|
|
if filename != GetCurrentBufferFilepath():
|
|
return
|
|
# Thrown when user chooses (A)bort in .swp message box
|
|
except KeyboardInterrupt:
|
|
return
|
|
vim.current.window.cursor = ( line, column - 1 )
|
|
|
|
# Center the screen on the jumped-to location
|
|
vim.command( 'normal! zz' )
|
|
|
|
|
|
def NumLinesInBuffer( buffer_object ):
|
|
# This is actually less than obvious, that's why it's wrapped in a function
|
|
return len( buffer_object )
|
|
|
|
|
|
# Calling this function from the non-GUI thread will sometimes crash Vim. At
|
|
# the time of writing, YCM only uses the GUI thread inside Vim (this used to
|
|
# not be the case).
|
|
def PostVimMessage( message, warning = True, truncate = False ):
|
|
"""Display a message on the Vim status line. By default, the message is
|
|
highlighted and logged to Vim command-line history (see :h history).
|
|
Unset the |warning| parameter to disable this behavior. Set the |truncate|
|
|
parameter to avoid hit-enter prompts (see :h hit-enter) when the message is
|
|
longer than the window width."""
|
|
echo_command = 'echom' if warning else 'echo'
|
|
|
|
# Displaying a new message while previous ones are still on the status line
|
|
# might lead to a hit-enter prompt or the message appearing without a
|
|
# newline so we do a redraw first.
|
|
vim.command( 'redraw' )
|
|
|
|
if warning:
|
|
vim.command( 'echohl WarningMsg' )
|
|
|
|
message = ToUnicode( message )
|
|
|
|
if truncate:
|
|
vim_width = GetIntValue( '&columns' )
|
|
|
|
message = message.replace( '\n', ' ' )
|
|
if len( message ) >= vim_width:
|
|
message = message[ : vim_width - 4 ] + '...'
|
|
|
|
old_ruler = GetIntValue( '&ruler' )
|
|
old_showcmd = GetIntValue( '&showcmd' )
|
|
vim.command( 'set noruler noshowcmd' )
|
|
|
|
vim.command( "{0} '{1}'".format( echo_command,
|
|
EscapeForVim( message ) ) )
|
|
|
|
SetVariableValue( '&ruler', old_ruler )
|
|
SetVariableValue( '&showcmd', old_showcmd )
|
|
else:
|
|
for line in message.split( '\n' ):
|
|
vim.command( "{0} '{1}'".format( echo_command,
|
|
EscapeForVim( line ) ) )
|
|
|
|
if warning:
|
|
vim.command( 'echohl None' )
|
|
|
|
|
|
def PresentDialog( message, choices, default_choice_index = 0 ):
|
|
"""Presents the user with a dialog where a choice can be made.
|
|
This will be a dialog for gvim users or a question in the message buffer
|
|
for vim users or if `set guioptions+=c` was used.
|
|
|
|
choices is list of alternatives.
|
|
default_choice_index is the 0-based index of the default element
|
|
that will get choosen if the user hits <CR>. Use -1 for no default.
|
|
|
|
PresentDialog will return a 0-based index into the list
|
|
or -1 if the dialog was dismissed by using <Esc>, Ctrl-C, etc.
|
|
|
|
If you are presenting a list of options for the user to choose from, such as
|
|
a list of imports, or lines to insert (etc.), SelectFromList is a better
|
|
option.
|
|
|
|
See also:
|
|
:help confirm() in vim (Note that vim uses 1-based indexes)
|
|
|
|
Example call:
|
|
PresentDialog("Is this a nice example?", ["Yes", "No", "May&be"])
|
|
Is this a nice example?
|
|
[Y]es, (N)o, May(b)e:"""
|
|
to_eval = "confirm('{0}', '{1}', {2})".format(
|
|
EscapeForVim( ToUnicode( message ) ),
|
|
EscapeForVim( ToUnicode( "\n" .join( choices ) ) ),
|
|
default_choice_index + 1 )
|
|
try:
|
|
return GetIntValue( to_eval ) - 1
|
|
except KeyboardInterrupt:
|
|
return -1
|
|
|
|
|
|
def Confirm( message ):
|
|
"""Display |message| with Ok/Cancel operations. Returns True if the user
|
|
selects Ok"""
|
|
return bool( PresentDialog( message, [ "Ok", "Cancel" ] ) == 0 )
|
|
|
|
|
|
def SelectFromList( prompt, items ):
|
|
"""Ask the user to select an item from the list |items|.
|
|
|
|
Presents the user with |prompt| followed by a numbered list of |items|,
|
|
from which they select one. The user is asked to enter the number of an
|
|
item or click it.
|
|
|
|
|items| should not contain leading ordinals: they are added automatically.
|
|
|
|
Returns the 0-based index in the list |items| that the user selected, or an
|
|
exception if no valid item was selected.
|
|
|
|
See also :help inputlist()."""
|
|
|
|
vim_items = [ prompt ]
|
|
vim_items.extend( [ "{0}: {1}".format( i + 1, item )
|
|
for i, item in enumerate( items ) ] )
|
|
|
|
# The vim documentation warns not to present lists larger than the number of
|
|
# lines of display. This is sound advice, but there really isn't any sensible
|
|
# thing we can do in that scenario. Testing shows that Vim just pages the
|
|
# message; that behaviour is as good as any, so we don't manipulate the list,
|
|
# or attempt to page it.
|
|
|
|
# For an explanation of the purpose of inputsave() / inputrestore(),
|
|
# see :help input(). Briefly, it makes inputlist() work as part of a mapping.
|
|
vim.eval( 'inputsave()' )
|
|
try:
|
|
# Vim returns the number the user entered, or the line number the user
|
|
# clicked. This may be wildly out of range for our list. It might even be
|
|
# negative.
|
|
#
|
|
# The first item is index 0, and this maps to our "prompt", so we subtract 1
|
|
# from the result and return that, assuming it is within the range of the
|
|
# supplied list. If not, we return negative.
|
|
#
|
|
# See :help input() for explanation of the use of inputsave() and inpput
|
|
# restore(). It is done in try/finally in case vim.eval ever throws an
|
|
# exception (such as KeyboardInterrupt)
|
|
selected = GetIntValue( "inputlist( " + json.dumps( vim_items ) + " )" ) - 1
|
|
except KeyboardInterrupt:
|
|
selected = -1
|
|
finally:
|
|
vim.eval( 'inputrestore()' )
|
|
|
|
if selected < 0 or selected >= len( items ):
|
|
# User selected something outside of the range
|
|
raise RuntimeError( NO_SELECTION_MADE_MSG )
|
|
|
|
return selected
|
|
|
|
|
|
def EscapeForVim( text ):
|
|
return ToUnicode( text.replace( "'", "''" ) )
|
|
|
|
|
|
def CurrentFiletypes():
|
|
return ToUnicode( vim.eval( "&filetype" ) ).split( '.' )
|
|
|
|
|
|
def GetBufferFiletypes( bufnr ):
|
|
command = 'getbufvar({0}, "&ft")'.format( bufnr )
|
|
return ToUnicode( vim.eval( command ) ).split( '.' )
|
|
|
|
|
|
def FiletypesForBuffer( buffer_object ):
|
|
# NOTE: Getting &ft for other buffers only works when the buffer has been
|
|
# visited by the user at least once, which is true for modified buffers
|
|
|
|
# We don't use
|
|
#
|
|
# buffer_object.options[ 'ft' ]
|
|
#
|
|
# to get the filetypes because this causes annoying flickering when the buffer
|
|
# is hidden.
|
|
return GetBufferFiletypes( buffer_object.number )
|
|
|
|
|
|
def VariableExists( variable ):
|
|
return GetBoolValue( "exists( '{0}' )".format( EscapeForVim( variable ) ) )
|
|
|
|
|
|
def SetVariableValue( variable, value ):
|
|
vim.command( "let {0} = {1}".format( variable, json.dumps( value ) ) )
|
|
|
|
|
|
def GetVariableValue( variable ):
|
|
return vim.eval( variable )
|
|
|
|
|
|
def GetBoolValue( variable ):
|
|
return bool( int( vim.eval( variable ) ) )
|
|
|
|
|
|
def GetIntValue( variable ):
|
|
return int( vim.eval( variable ) )
|
|
|
|
|
|
def _SortChunksByFile( chunks ):
|
|
"""Sort the members of the list |chunks| (which must be a list of dictionaries
|
|
conforming to ycmd.responses.FixItChunk) by their filepath. Returns a new
|
|
list in arbitrary order."""
|
|
|
|
chunks_by_file = defaultdict( list )
|
|
|
|
for chunk in chunks:
|
|
filepath = chunk[ 'range' ][ 'start' ][ 'filepath' ]
|
|
chunks_by_file[ filepath ].append( chunk )
|
|
|
|
return chunks_by_file
|
|
|
|
|
|
def _GetNumNonVisibleFiles( file_list ):
|
|
"""Returns the number of file in the iterable list of files |file_list| which
|
|
are not curerntly open in visible windows"""
|
|
return len(
|
|
[ f for f in file_list
|
|
if not BufferIsVisible( GetBufferNumberForFilename( f ) ) ] )
|
|
|
|
|
|
def _OpenFileInSplitIfNeeded( filepath ):
|
|
"""Ensure that the supplied filepath is open in a visible window, opening a
|
|
new split if required. Returns the buffer number of the file and an indication
|
|
of whether or not a new split was opened.
|
|
|
|
If the supplied filename is already open in a visible window, return just
|
|
return its buffer number. If the supplied file is not visible in a window
|
|
in the current tab, opens it in a new vertical split.
|
|
|
|
Returns a tuple of ( buffer_num, split_was_opened ) indicating the buffer
|
|
number and whether or not this method created a new split. If the user opts
|
|
not to open a file, or if opening fails, this method raises RuntimeError,
|
|
otherwise, guarantees to return a visible buffer number in buffer_num."""
|
|
|
|
buffer_num = GetBufferNumberForFilename( filepath )
|
|
|
|
# We only apply changes in the current tab page (i.e. "visible" windows).
|
|
# Applying changes in tabs does not lead to a better user experience, as the
|
|
# quickfix list no longer works as you might expect (doesn't jump into other
|
|
# tabs), and the complexity of choosing where to apply edits is significant.
|
|
if BufferIsVisible( buffer_num ):
|
|
# file is already open and visible, just return that buffer number (and an
|
|
# idicator that we *didn't* open a split)
|
|
return ( buffer_num, False )
|
|
|
|
# The file is not open in a visible window, so we open it in a split.
|
|
# We open the file with a small, fixed height. This means that we don't
|
|
# make the current buffer the smallest after a series of splits.
|
|
OpenFilename( filepath, {
|
|
'focus': True,
|
|
'fix': True,
|
|
'size': GetIntValue( '&previewheight' ),
|
|
} )
|
|
|
|
# OpenFilename returns us to the original cursor location. This is what we
|
|
# want, because we don't want to disorientate the user, but we do need to
|
|
# know the (now open) buffer number for the filename
|
|
buffer_num = GetBufferNumberForFilename( filepath )
|
|
if not BufferIsVisible( buffer_num ):
|
|
# This happens, for example, if there is a swap file and the user
|
|
# selects the "Quit" or "Abort" options. We just raise an exception to
|
|
# make it clear to the user that the abort has left potentially
|
|
# partially-applied changes.
|
|
raise RuntimeError(
|
|
'Unable to open file: {0}\nFixIt/Refactor operation '
|
|
'aborted prior to completion. Your files have not been '
|
|
'fully updated. Please use undo commands to revert the '
|
|
'applied changes.'.format( filepath ) )
|
|
|
|
# We opened this file in a split
|
|
return ( buffer_num, True )
|
|
|
|
|
|
def ReplaceChunks( chunks, silent=False ):
|
|
"""Apply the source file deltas supplied in |chunks| to arbitrary files.
|
|
|chunks| is a list of changes defined by ycmd.responses.FixItChunk,
|
|
which may apply arbitrary modifications to arbitrary files.
|
|
|
|
If a file specified in a particular chunk is not currently open in a visible
|
|
buffer (i.e., one in a window visible in the current tab), we:
|
|
- issue a warning to the user that we're going to open new files (and offer
|
|
her the option to abort cleanly)
|
|
- open the file in a new split, make the changes, then hide the buffer.
|
|
|
|
If for some reason a file could not be opened or changed, raises RuntimeError.
|
|
Otherwise, returns no meaningful value."""
|
|
|
|
# We apply the edits file-wise for efficiency.
|
|
chunks_by_file = _SortChunksByFile( chunks )
|
|
|
|
# We sort the file list simply to enable repeatable testing.
|
|
sorted_file_list = sorted( iterkeys( chunks_by_file ) )
|
|
|
|
if not silent:
|
|
# Make sure the user is prepared to have her screen mutilated by the new
|
|
# buffers.
|
|
num_files_to_open = _GetNumNonVisibleFiles( sorted_file_list )
|
|
|
|
if num_files_to_open > 0:
|
|
if not Confirm(
|
|
FIXIT_OPENING_BUFFERS_MESSAGE_FORMAT.format( num_files_to_open ) ):
|
|
return
|
|
|
|
# Store the list of locations where we applied changes. We use this to display
|
|
# the quickfix window showing the user where we applied changes.
|
|
locations = []
|
|
|
|
for filepath in sorted_file_list:
|
|
buffer_num, close_window = _OpenFileInSplitIfNeeded( filepath )
|
|
|
|
locations.extend( ReplaceChunksInBuffer( chunks_by_file[ filepath ],
|
|
vim.buffers[ buffer_num ] ) )
|
|
|
|
# When opening tons of files, we don't want to have a split for each new
|
|
# file, as this simply does not scale, so we open the window, make the
|
|
# edits, then hide the window.
|
|
if close_window:
|
|
# Some plugins (I'm looking at you, syntastic) might open a location list
|
|
# for the window we just opened. We don't want that location list hanging
|
|
# around, so we close it. lclose is a no-op if there is no location list.
|
|
vim.command( 'lclose' )
|
|
|
|
# Note that this doesn't lose our changes. It simply "hides" the buffer,
|
|
# which can later be re-accessed via the quickfix list or `:ls`
|
|
vim.command( 'hide' )
|
|
|
|
# Open the quickfix list, populated with entries for each location we changed.
|
|
if not silent:
|
|
if locations:
|
|
SetQuickFixList( locations )
|
|
OpenQuickFixList()
|
|
|
|
PostVimMessage( 'Applied {0} changes'.format( len( chunks ) ),
|
|
warning = False )
|
|
|
|
|
|
def ReplaceChunksInBuffer( chunks, vim_buffer ):
|
|
"""Apply changes in |chunks| to the buffer-like object |buffer| and return the
|
|
locations for that buffer."""
|
|
|
|
# We apply the chunks from the bottom to the top of the buffer so that we
|
|
# don't need to adjust the position of the remaining chunks due to text
|
|
# changes. This assumes that chunks are not overlapping. However, we still
|
|
# allow multiple chunks to share the same starting position (because of the
|
|
# language server protocol specs). These chunks must be applied in their order
|
|
# of appareance. Since Python sorting is stable, if we sort the whole list in
|
|
# reverse order of location, these chunks will be reversed. Therefore, we
|
|
# need to fully reverse the list then sort it on the starting position in
|
|
# reverse order.
|
|
chunks.reverse()
|
|
chunks.sort( key = lambda chunk: (
|
|
chunk[ 'range' ][ 'start' ][ 'line_num' ],
|
|
chunk[ 'range' ][ 'start' ][ 'column_num' ]
|
|
), reverse = True )
|
|
|
|
# However, we still want to display the locations from the top of the buffer
|
|
# to its bottom.
|
|
return reversed( [ ReplaceChunk( chunk[ 'range' ][ 'start' ],
|
|
chunk[ 'range' ][ 'end' ],
|
|
chunk[ 'replacement_text' ],
|
|
vim_buffer )
|
|
for chunk in chunks ] )
|
|
|
|
|
|
def SplitLines( contents ):
|
|
"""Return a list of each of the lines in the byte string |contents|.
|
|
Behavior is equivalent to str.splitlines with the following exceptions:
|
|
- empty strings are returned as [ '' ];
|
|
- a trailing newline is not ignored (i.e. SplitLines( '\n' )
|
|
returns [ '', '' ], not [ '' ] )."""
|
|
if contents == b'':
|
|
return [ b'' ]
|
|
|
|
lines = contents.splitlines()
|
|
|
|
if contents.endswith( b'\r' ) or contents.endswith( b'\n' ):
|
|
lines.append( b'' )
|
|
|
|
return lines
|
|
|
|
|
|
# Replace the chunk of text specified by a contiguous range with the supplied
|
|
# text and return the location.
|
|
# * start and end are objects with line_num and column_num properties
|
|
# * the range is inclusive
|
|
# * indices are all 1-based
|
|
#
|
|
# NOTE: Works exclusively with bytes() instances and byte offsets as returned
|
|
# by ycmd and used within the Vim buffers
|
|
def ReplaceChunk( start, end, replacement_text, vim_buffer ):
|
|
# ycmd's results are all 1-based, but vim's/python's are all 0-based
|
|
# (so we do -1 on all of the values)
|
|
start_line = start[ 'line_num' ] - 1
|
|
end_line = end[ 'line_num' ] - 1
|
|
|
|
start_column = start[ 'column_num' ] - 1
|
|
end_column = end[ 'column_num' ] - 1
|
|
|
|
# NOTE: replacement_text is unicode, but all our offsets are byte offsets,
|
|
# so we convert to bytes
|
|
replacement_lines = SplitLines( ToBytes( replacement_text ) )
|
|
|
|
# NOTE: Vim buffers are a list of byte objects on Python 2 but unicode
|
|
# objects on Python 3.
|
|
start_existing_text = ToBytes( vim_buffer[ start_line ] )[ : start_column ]
|
|
end_existing_text = ToBytes( vim_buffer[ end_line ] )[ end_column : ]
|
|
|
|
replacement_lines[ 0 ] = start_existing_text + replacement_lines[ 0 ]
|
|
replacement_lines[ -1 ] = replacement_lines[ -1 ] + end_existing_text
|
|
|
|
vim_buffer[ start_line : end_line + 1 ] = replacement_lines[:]
|
|
|
|
return {
|
|
'bufnr': vim_buffer.number,
|
|
'filename': vim_buffer.name,
|
|
# line and column numbers are 1-based in qflist
|
|
'lnum': start_line + 1,
|
|
'col': start_column + 1,
|
|
'text': replacement_text,
|
|
'type': 'F',
|
|
}
|
|
|
|
|
|
def InsertNamespace( namespace ):
|
|
if VariableExists( 'g:ycm_csharp_insert_namespace_expr' ):
|
|
expr = GetVariableValue( 'g:ycm_csharp_insert_namespace_expr' )
|
|
if expr:
|
|
SetVariableValue( "g:ycm_namespace_to_insert", namespace )
|
|
vim.eval( expr )
|
|
return
|
|
|
|
pattern = '^\s*using\(\s\+[a-zA-Z0-9]\+\s\+=\)\?\s\+[a-zA-Z0-9.]\+\s*;\s*'
|
|
existing_indent = ''
|
|
line = SearchInCurrentBuffer( pattern )
|
|
if line:
|
|
existing_line = LineTextInCurrentBuffer( line )
|
|
existing_indent = re.sub( r"\S.*", "", existing_line )
|
|
new_line = "{0}using {1};\n".format( existing_indent, namespace )
|
|
replace_pos = { 'line_num': line + 1, 'column_num': 1 }
|
|
ReplaceChunk( replace_pos, replace_pos, new_line, vim.current.buffer )
|
|
PostVimMessage( 'Add namespace: {0}'.format( namespace ), warning = False )
|
|
|
|
|
|
def SearchInCurrentBuffer( pattern ):
|
|
""" Returns the 1-indexed line on which the pattern matches
|
|
(going UP from the current position) or 0 if not found """
|
|
return GetIntValue( "search('{0}', 'Wcnb')".format( EscapeForVim( pattern )))
|
|
|
|
|
|
def LineTextInCurrentBuffer( line_number ):
|
|
""" Returns the text on the 1-indexed line (NOT 0-indexed) """
|
|
return vim.current.buffer[ line_number - 1 ]
|
|
|
|
|
|
def ClosePreviewWindow():
|
|
""" Close the preview window if it is present, otherwise do nothing """
|
|
vim.command( 'silent! pclose!' )
|
|
|
|
|
|
def JumpToPreviewWindow():
|
|
""" Jump the vim cursor to the preview window, which must be active. Returns
|
|
boolean indicating if the cursor ended up in the preview window """
|
|
vim.command( 'silent! wincmd P' )
|
|
return vim.current.window.options[ 'previewwindow' ]
|
|
|
|
|
|
def JumpToPreviousWindow():
|
|
""" Jump the vim cursor to its previous window position """
|
|
vim.command( 'silent! wincmd p' )
|
|
|
|
|
|
def JumpToTab( tab_number ):
|
|
"""Jump to Vim tab with corresponding number """
|
|
vim.command( 'silent! tabn {0}'.format( tab_number ) )
|
|
|
|
|
|
def OpenFileInPreviewWindow( filename ):
|
|
""" Open the supplied filename in the preview window """
|
|
vim.command( 'silent! pedit! ' + filename )
|
|
|
|
|
|
def WriteToPreviewWindow( message ):
|
|
""" Display the supplied message in the preview window """
|
|
|
|
# This isn't something that comes naturally to Vim. Vim only wants to show
|
|
# tags and/or actual files in the preview window, so we have to hack it a
|
|
# little bit. We generate a temporary file name and "open" that, then write
|
|
# the data to it. We make sure the buffer can't be edited or saved. Other
|
|
# approaches include simply opening a split, but we want to take advantage of
|
|
# the existing Vim options for preview window height, etc.
|
|
|
|
ClosePreviewWindow()
|
|
|
|
OpenFileInPreviewWindow( vim.eval( 'tempname()' ) )
|
|
|
|
if JumpToPreviewWindow():
|
|
# We actually got to the preview window. By default the preview window can't
|
|
# be changed, so we make it writable, write to it, then make it read only
|
|
# again.
|
|
vim.current.buffer.options[ 'modifiable' ] = True
|
|
vim.current.buffer.options[ 'readonly' ] = False
|
|
|
|
vim.current.buffer[:] = message.splitlines()
|
|
|
|
vim.current.buffer.options[ 'buftype' ] = 'nofile'
|
|
vim.current.buffer.options[ 'bufhidden' ] = 'wipe'
|
|
vim.current.buffer.options[ 'buflisted' ] = False
|
|
vim.current.buffer.options[ 'swapfile' ] = False
|
|
vim.current.buffer.options[ 'modifiable' ] = False
|
|
vim.current.buffer.options[ 'readonly' ] = True
|
|
|
|
# We need to prevent closing the window causing a warning about unsaved
|
|
# file, so we pretend to Vim that the buffer has not been changed.
|
|
vim.current.buffer.options[ 'modified' ] = False
|
|
|
|
JumpToPreviousWindow()
|
|
else:
|
|
# We couldn't get to the preview window, but we still want to give the user
|
|
# the information we have. The only remaining option is to echo to the
|
|
# status area.
|
|
PostVimMessage( message, warning = False )
|
|
|
|
|
|
def BufferIsVisibleForFilename( filename ):
|
|
"""Check if a buffer exists for a specific file."""
|
|
buffer_number = GetBufferNumberForFilename( filename )
|
|
return BufferIsVisible( buffer_number )
|
|
|
|
|
|
def CloseBuffersForFilename( filename ):
|
|
"""Close all buffers for a specific file."""
|
|
buffer_number = GetBufferNumberForFilename( filename )
|
|
while buffer_number != -1:
|
|
vim.command( 'silent! bwipeout! {0}'.format( buffer_number ) )
|
|
new_buffer_number = GetBufferNumberForFilename( filename )
|
|
if buffer_number == new_buffer_number:
|
|
raise RuntimeError( "Buffer {0} for filename '{1}' should already be "
|
|
"wiped out.".format( buffer_number, filename ) )
|
|
buffer_number = new_buffer_number
|
|
|
|
|
|
def OpenFilename( filename, options = {} ):
|
|
"""Open a file in Vim. Following options are available:
|
|
- command: specify which Vim command is used to open the file. Choices
|
|
are same-buffer, horizontal-split, vertical-split, and new-tab (default:
|
|
horizontal-split);
|
|
- size: set the height of the window for a horizontal split or the width for
|
|
a vertical one (default: '');
|
|
- fix: set the winfixheight option for a horizontal split or winfixwidth for
|
|
a vertical one (default: False). See :h winfix for details;
|
|
- focus: focus the opened file (default: False);
|
|
- watch: automatically watch for changes (default: False). This is useful
|
|
for logs;
|
|
- position: set the position where the file is opened (default: start).
|
|
Choices are start and end."""
|
|
|
|
# Set the options.
|
|
command = GetVimCommand( options.get( 'command', 'horizontal-split' ),
|
|
'horizontal-split' )
|
|
size = ( options.get( 'size', '' ) if command in [ 'split', 'vsplit' ] else
|
|
'' )
|
|
focus = options.get( 'focus', False )
|
|
|
|
# There is no command in Vim to return to the previous tab so we need to
|
|
# remember the current tab if needed.
|
|
if not focus and command == 'tabedit':
|
|
previous_tab = GetIntValue( 'tabpagenr()' )
|
|
else:
|
|
previous_tab = None
|
|
|
|
# Open the file.
|
|
try:
|
|
vim.command( '{0}{1} {2}'.format( size, command, filename ) )
|
|
# When the file we are trying to jump to has a swap file,
|
|
# Vim opens swap-exists-choices dialog and throws vim.error with E325 error,
|
|
# or KeyboardInterrupt after user selects one of the options which actually
|
|
# opens the file (Open read-only/Edit anyway).
|
|
except vim.error as e:
|
|
if 'E325' not in str( e ):
|
|
raise
|
|
|
|
# Otherwise, the user might have chosen Quit. This is detectable by the
|
|
# current file not being the target file
|
|
if filename != GetCurrentBufferFilepath():
|
|
return
|
|
except KeyboardInterrupt:
|
|
# Raised when the user selects "Abort" after swap-exists-choices
|
|
return
|
|
|
|
_SetUpLoadedBuffer( command,
|
|
filename,
|
|
options.get( 'fix', False ),
|
|
options.get( 'position', 'start' ),
|
|
options.get( 'watch', False ) )
|
|
|
|
# Vim automatically set the focus to the opened file so we need to get the
|
|
# focus back (if the focus option is disabled) when opening a new tab or
|
|
# window.
|
|
if not focus:
|
|
if command == 'tabedit':
|
|
JumpToTab( previous_tab )
|
|
if command in [ 'split', 'vsplit' ]:
|
|
JumpToPreviousWindow()
|
|
|
|
|
|
def _SetUpLoadedBuffer( command, filename, fix, position, watch ):
|
|
"""After opening a buffer, configure it according to the supplied options,
|
|
which are as defined by the OpenFilename method."""
|
|
|
|
if command == 'split':
|
|
vim.current.window.options[ 'winfixheight' ] = fix
|
|
if command == 'vsplit':
|
|
vim.current.window.options[ 'winfixwidth' ] = fix
|
|
|
|
if watch:
|
|
vim.current.buffer.options[ 'autoread' ] = True
|
|
vim.command( "exec 'au BufEnter <buffer> :silent! checktime {0}'"
|
|
.format( filename ) )
|
|
|
|
if position == 'end':
|
|
vim.command( 'silent! normal! Gzz' )
|
|
|
|
|
|
def BuildRange( start_line, end_line ):
|
|
# Vim only returns the starting and ending lines of the range of a command.
|
|
# Check if those lines correspond to a previous visual selection and if they
|
|
# do, use the columns of that selection to build the range.
|
|
start = vim.current.buffer.mark( '<' )
|
|
end = vim.current.buffer.mark( '>' )
|
|
if not start or not end or start_line != start[ 0 ] or end_line != end[ 0 ]:
|
|
start = [ start_line, 0 ]
|
|
end = [ end_line, len( vim.current.buffer[ end_line - 1 ] ) ]
|
|
# Vim Python API returns 1-based lines and 0-based columns while ycmd expects
|
|
# 1-based lines and columns.
|
|
return {
|
|
'range': {
|
|
'start': {
|
|
'line_num': start[ 0 ],
|
|
'column_num': start[ 1 ] + 1
|
|
},
|
|
'end': {
|
|
'line_num': end[ 0 ],
|
|
# Vim returns the maximum 32-bit integer value when a whole line is
|
|
# selected. Use the end of line instead.
|
|
'column_num': min( end[ 1 ],
|
|
len( vim.current.buffer[ end[ 0 ] - 1 ] ) ) + 1
|
|
}
|
|
}
|
|
}
|