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# ============================================================================
# FILE: deoplete.py
# AUTHOR: Shougo Matsushita <Shougo.Matsu at gmail.com>
# License: MIT license
# ============================================================================
from deoplete.util import \
error, globruntime, charpos2bytepos, \
bytepos2charpos, get_custom, get_syn_name, get_buffer_config
import deoplete.sources
import deoplete.filters
import deoplete.util
from deoplete import logger
import re
import importlib.machinery
import os.path
import copy
import traceback
import time
deoplete.sources # silence pyflakes
deoplete.filters # silence pyflakes
class Deoplete(logger.LoggingMixin):
def __init__(self, vim):
self.__vim = vim
self.__filters = {}
self.__sources = {}
self.__runtimepath = ''
self.__profile_flag = None
self.__profile_start = 0
self.name = 'core'
def completion_begin(self, context):
pos = self.__vim.current.window.cursor
if context['event'] != 'Manual' and context['delay'] > 0:
time.sleep(context['delay'] / 1000.0)
if self.position_has_changed(pos):
return
try:
complete_position, candidates = self.gather_candidates(context)
except Exception:
for line in traceback.format_exc().splitlines():
error(self.__vim, line)
error(self.__vim,
'An error has occurred. Please execute :messages command.')
candidates = []
if not candidates or self.position_has_changed(pos):
self.__vim.vars['deoplete#_context'] = {}
return
self.__vim.vars['deoplete#_context'] = {
'complete_position': complete_position,
'changedtick': context['changedtick'],
'candidates': candidates,
'event': context['event'],
}
if context['rpc'] != 'deoplete_manual_completion_begin':
# Set (and store) current &completeopt setting. This cannot be
# done (currently) from the deoplete_start_complete mapping's
# function.
self.__vim.call('deoplete#mappings#_set_completeopt')
# Note: cannot use vim.feedkeys()
self.__vim.command(
'call feedkeys("\<Plug>(deoplete_start_complete)")')
def gather_candidates(self, context):
self.check_recache()
# self.debug(context)
results = self.gather_results(context)
return self.merge_results(results)
def gather_results(self, context):
# sources = ['buffer', 'neosnippet']
# sources = ['buffer']
results = []
start_length = self.__vim.vars['deoplete#auto_complete_start_length']
for source_name, source in self.itersource(context):
if source.disabled_syntaxes and 'syntax_name' not in context:
context['syntax_name'] = get_syn_name(self.__vim)
cont = copy.deepcopy(context)
charpos = source.get_complete_position(cont)
if charpos >= 0 and source.is_bytepos:
charpos = bytepos2charpos(
self.__vim, cont['input'], charpos)
cont['complete_str'] = cont['input'][charpos:]
cont['complete_position'] = charpos2bytepos(
self.__vim, cont['input'], charpos)
cont['max_abbr_width'] = min(source.max_abbr_width,
cont['max_abbr_width'])
cont['max_menu_width'] = min(source.max_menu_width,
cont['max_menu_width'])
if cont['max_abbr_width'] > 0:
cont['max_abbr_width'] = max(20, cont['max_abbr_width'])
if cont['max_menu_width'] > 0:
cont['max_menu_width'] = max(10, cont['max_menu_width'])
# self.debug(source.rank)
# self.debug(source_name)
# self.debug(cont['input'])
# self.debug(charpos)
# self.debug(cont['complete_position'])
# self.debug(cont['complete_str'])
min_pattern_length = source.min_pattern_length
if min_pattern_length < 0:
# Use default value
min_pattern_length = start_length
if charpos < 0 or self.is_skip(cont, source.disabled_syntaxes,
min_pattern_length,
source.max_pattern_length,
source.input_pattern):
# Skip
continue
results.append({
'name': source_name,
'source': source,
'context': cont,
})
for result in results:
context = result['context']
source = result['source']
# self.debug(source.name)
self.profile_start(source.name)
context['candidates'] = source.gather_candidates(context)
self.profile_end(source.name)
if context['candidates'] and isinstance(
context['candidates'][0], str):
# Convert to dict
context['candidates'] = [{'word': x}
for x in context['candidates']]
ignorecase = context['ignorecase']
smartcase = context['smartcase']
camelcase = context['camelcase']
try:
# Set ignorecase
if (smartcase or camelcase) and re.search(
r'[A-Z]', context['complete_str']):
context['ignorecase'] = 0
for filter in [self.__filters[x] for x
in source.matchers +
source.sorters +
source.converters
if x in self.__filters]:
self.profile_start(filter.name)
context['candidates'] = filter.filter(context)
self.profile_end(filter.name)
finally:
context['ignorecase'] = ignorecase
# self.debug(context['candidates'])
# On post filter
if hasattr(source, 'on_post_filter'):
context['candidates'] = source.on_post_filter(context)
candidates = context['candidates']
if candidates and source.mark != '' and candidates[0].get(
'menu', '').find(source.mark) != 0:
# Set default menu
for candidate in candidates:
candidate['menu'] = source.mark + ' ' + candidate.get(
'menu', '')
# self.debug(context['candidates'])
return results
def itersource(self, context):
sources = sorted(self.__sources.items(),
key=lambda x: get_custom(self.__vim, x[1].name).get(
'rank', x[1].rank),
reverse=True)
filetypes = context['filetypes']
ignore_sources = set()
for ft in filetypes:
ignore_sources.update(
get_buffer_config(self.__vim, ft,
'b:deoplete_ignore_sources',
'g:deoplete#ignore_sources',
'{}'))
for source_name, source in sources:
if (source_name in ignore_sources):
continue
if context['sources'] and source_name not in context['sources']:
continue
if source.filetypes and not any(x in filetypes
for x in source.filetypes):
continue
yield source_name, source
def merge_results(self, results):
results = [x for x in results if x['context']['candidates']]
if not results:
return (-1, [])
complete_position = min(
[x['context']['complete_position'] for x in results])
candidates = []
for result in results:
context = result['context']
if context['complete_position'] <= complete_position:
candidates += context['candidates']
continue
prefix = context['input'][
complete_position:context['complete_position']]
context['complete_position'] = complete_position
context['complete_str'] = prefix
# Add prefix
for candidate in context['candidates']:
candidate['word'] = prefix + candidate['word']
candidates += context['candidates']
# self.debug(candidates)
if self.__vim.vars['deoplete#max_list'] > 0:
candidates = candidates[: self.__vim.vars['deoplete#max_list']]
# Set icase
for candidate in candidates:
candidate['icase'] = 1
return (complete_position, candidates)
def profile_start(self, name):
if self.__profile_flag is 0 or not self.debug_enabled:
return
if self.__profile_flag is None:
self.__profile_flag = self.__vim.vars[
'deoplete#enable_profile']
if self.__profile_flag:
return self.profile_start(name)
elif self.__profile_flag:
self.debug('Profile Start: {0}'.format(name))
self.__profile_start = time.clock()
def profile_end(self, name):
if self.__profile_start:
self.debug('Profile End : {0:<25} time={1:2.10f}'.format(
name, time.clock() - self.__profile_start))
def load_sources(self):
# Load sources from runtimepath
for path in globruntime(self.__vim,
'rplugin/python3/deoplete/sources/base.py'
) + globruntime(
self.__vim,
'rplugin/python3/deoplete/sources/*.py'):
name = os.path.basename(path)[: -3]
module = importlib.machinery.SourceFileLoader(
'deoplete.sources.' + name, path).load_module()
if not hasattr(module, 'Source') or name in self.__sources:
continue
source = module.Source(self.__vim)
# Set the source attributes.
source.filetypes = get_custom(
self.__vim, source.name).get(
'filetypes', source.filetypes)
source.disabled_syntaxes = get_custom(
self.__vim, source.name).get(
'disabled_syntaxes', source.disabled_syntaxes)
source.input_pattern = get_custom(
self.__vim, source.name).get(
'input_pattern', source.input_pattern)
source.min_pattern_length = get_custom(
self.__vim, source.name).get(
'min_pattern_length', source.min_pattern_length)
source.max_pattern_length = get_custom(
self.__vim, source.name).get(
'max_pattern_length', source.max_pattern_length)
source.max_abbr_width = get_custom(
self.__vim, source.name).get(
'max_abbr_width', source.max_abbr_width)
source.max_menu_width = get_custom(
self.__vim, source.name).get(
'max_menu_width', source.max_menu_width)
source.matchers = get_custom(
self.__vim, source.name).get('matchers', source.matchers)
source.sorters = get_custom(self.__vim, source.name).get(
'sorters', source.sorters)
source.converters = get_custom(self.__vim, source.name).get(
'converters', source.converters)
source.mark = get_custom(self.__vim, source.name).get(
'mark', source.mark)
self.__sources[source.name] = source
self.debug('Loaded Source: %s (%s)', name, module.__file__)
# self.debug(self.__sources)
def load_filters(self):
# Load filters from runtimepath
for path in globruntime(self.__vim,
'rplugin/python3/deoplete/filters/base.py'
) + globruntime(
self.__vim,
'rplugin/python3/deoplete/filters/*.py'):
name = os.path.basename(path)[: -3]
module = importlib.machinery.SourceFileLoader(
'deoplete.filters.' + name, path).load_module()
if hasattr(module, 'Filter') and name not in self.__filters:
filter = module.Filter(self.__vim)
self.__filters[filter.name] = filter
self.debug('Loaded Filter: %s (%s)', name, module.__file__)
# self.debug(self.__filters)
def is_skip(self, context, disabled_syntaxes,
min_pattern_length, max_pattern_length, input_pattern):
if ('syntax_name' in context and
context['syntax_name'] in disabled_syntaxes):
return 1
if (input_pattern != '' and
re.search('(' + input_pattern + ')$', context['input'])):
return 0
skip_length = (context['event'] != 'Manual' and
not (min_pattern_length <=
len(context['complete_str']) <=
max_pattern_length))
return skip_length
def position_has_changed(self, pos):
return (pos != self.__vim.current.window.cursor or
self.__vim.funcs.mode() != 'i')
def check_recache(self):
if self.__vim.options['runtimepath'] != self.__runtimepath:
# Recache
self.load_sources()
self.load_filters()
self.__runtimepath = self.__vim.options['runtimepath']
def on_buffer(self, context):
self.check_recache()
for source_name, source in self.itersource(context):
if hasattr(source, 'on_buffer'):
source.on_buffer(context)
|
