def CandidatesForQueryAsync(self, query, start_column):
filename = vim.current.buffer.name
if not filename:
return
if self.completer.UpdatingTranslationUnit(filename):
vimsupport.PostVimMessage(
'Still parsing file, no completions yet.')
self.completions_future = None
return
flags = self.flags.FlagsForFile(filename)
if not flags:
vimsupport.PostVimMessage(
'Still no compile flags, no completions yet.')
self.completions_future = None
return
# TODO: sanitize query, probably in C++ code
files = ycm_core.UnsavedFileVec()
if not query:
files = self.GetUnsavedFilesVector()
line, _ = vim.current.window.cursor
column = start_column + 1
self.completions_future = (
self.completer.CandidatesForQueryAndLocationInFileAsync(
query, filename, line, column, files, flags))
def GetUnsavedFilesVector(self):
# CAREFUL HERE! For UnsavedFile filename and contents we are referring
# directly to Python-allocated and -managed memory since we are accepting
# pointers to data members of python objects. We need to ensure that those
# objects outlive our UnsavedFile objects. This is why we need the
# contents_holder and filename_holder lists, to make sure the string objects
# are still around when we call CandidatesForQueryAndLocationInFile. We do
# this to avoid an extra copy of the entire file contents.
files = ycm_core.UnsavedFileVec()
self.contents_holder = []
self.filename_holder = []
for buffer in vimsupport.GetUnsavedBuffers():
if not ClangAvailableForBuffer(buffer):
continue
contents = '\n'.join(buffer)
name = buffer.name
if not contents or not name:
continue
self.contents_holder.append(contents)
self.filename_holder.append(name)
unsaved_file = ycm_core.UnsavedFile()
unsaved_file.contents_ = self.contents_holder[-1]
unsaved_file.length_ = len(self.contents_holder[-1])
unsaved_file.filename_ = self.filename_holder[-1]
files.append(unsaved_file)
return files
def GetUnsavedFilesVector(self, request_data):
files = ycm_core.UnsavedFileVec()
for filename, file_data in request_data['file_data'].iteritems():
if not ClangAvailableForFiletypes(file_data['filetypes']):
continue
contents = file_data['contents']
if not contents or not filename:
continue
unsaved_file = ycm_core.UnsavedFile()
utf8_contents = ToUtf8IfNeeded(contents)
unsaved_file.contents_ = utf8_contents
unsaved_file.length_ = len(utf8_contents)
unsaved_file.filename_ = ToUtf8IfNeeded(filename)
files.append(unsaved_file)
return files