def ComputeCandidatesInner(self, request_data):
if not self._omnifunc:
return []
# Calling directly the omnifunc may move the cursor position. This is the
# case with the default Vim omnifunc for C-family languages
# (ccomplete#Complete) which calls searchdecl to find a declaration. This
# function is supposed to move the cursor to the found declaration but it
# doesn't when called through the omni completion mapping (CTRL-X CTRL-O).
# So, we restore the cursor position after the omnifunc calls.
line, column = vimsupport.CurrentLineAndColumn()
try:
start_column = vimsupport.GetIntValue(self._omnifunc + '(1,"")')
if start_column < 0:
# FIXME: Technically, if the returned value is -1 we should raise an
# error.
return []
# Use the start column calculated by the omnifunc, rather than our own
# interpretation. This is important for certain languages where our
# identifier detection is either incorrect or not compatible with the
# behaviour of the omnifunc. Note: do this before calling the omnifunc
# because it affects the value returned by 'query'.
request_data['start_column'] = start_column + 1
# Vim internally moves the cursor to the start column before calling again
# the omnifunc. Some omnifuncs like the one defined by the
# LanguageClient-neovim plugin depend on this behavior to compute the list
# of candidates.
vimsupport.SetCurrentLineAndColumn(line, start_column)
omnifunc_call = [
self._omnifunc, "(0,'",
vimsupport.EscapeForVim(request_data['query']), "')"
]
items = vim.eval(''.join(omnifunc_call))
if isinstance(items, dict) and 'words' in items:
items = items['words']
if not hasattr(items, '__iter__'):
raise TypeError(OMNIFUNC_NOT_LIST)
return list(filter(bool, items))
except (TypeError, ValueError, vim.error) as error:
vimsupport.PostVimMessage(OMNIFUNC_RETURNED_BAD_VALUE + ' ' +
str(error))
return []
finally:
vimsupport.SetCurrentLineAndColumn(line, column)
def Omnifunc(findstart, base):
vimsupport.SetCurrentLineAndColumn(0, 0)
if findstart:
return 5
return ['length']
def ComputeCandidatesInner(self, request_data):
if not self._omnifunc:
return []
# Calling directly the omnifunc may move the cursor position. This is the
# case with the default Vim omnifunc for C-family languages
# (ccomplete#Complete) which calls searchdecl to find a declaration. This
# function is supposed to move the cursor to the found declaration but it
# doesn't when called through the omni completion mapping (CTRL-X CTRL-O).
# So, we restore the cursor position after the omnifunc calls.
line, column = vimsupport.CurrentLineAndColumn()
try:
start_column = vimsupport.GetIntValue(self._omnifunc + '(1,"")')
# Vim only stops completion if the value returned by the omnifunc is -3 or
# -2. In other cases, if the value is negative or greater than the current
# column, the start column is set to the current column; otherwise, the
# value is used as the start column.
if start_column in (-3, -2):
return []
if start_column < 0 or start_column > column:
start_column = column
# Use the start column calculated by the omnifunc, rather than our own
# interpretation. This is important for certain languages where our
# identifier detection is either incorrect or not compatible with the
# behaviour of the omnifunc. Note: do this before calling the omnifunc
# because it affects the value returned by 'query'.
request_data['start_column'] = start_column + 1
# Vim internally moves the cursor to the start column before calling again
# the omnifunc. Some omnifuncs like the one defined by the
# LanguageClient-neovim plugin depend on this behavior to compute the list
# of candidates.
vimsupport.SetCurrentLineAndColumn(line, start_column)
omnifunc_call = [
self._omnifunc, "(0,'",
vimsupport.EscapeForVim(request_data['query']), "')"
]
items = vim.eval(''.join(omnifunc_call))
if isinstance(items, dict) and 'words' in items:
items = items['words']
if not hasattr(items, '__iter__'):
raise TypeError(OMNIFUNC_NOT_LIST)
# Vim allows each item of the list to be either a string or a dictionary
# but ycmd only supports lists where items are all strings or all
# dictionaries. Convert all strings into dictionaries.
for index, item in enumerate(items):
if not isinstance(item, dict):
items[index] = {'word': item}
return items
except (TypeError, ValueError, vim.error) as error:
vimsupport.PostVimMessage(OMNIFUNC_RETURNED_BAD_VALUE + ' ' +
str(error))
return []
finally:
vimsupport.SetCurrentLineAndColumn(line, column)
