# https://github.com/Valloric/ycmd/blob/master/cpp/ycm/.ycm_extra_conf.py
# https://jonasdevlieghere.com/a-better-youcompleteme-config/
+# https://github.com/arximboldi/dotfiles/blob/master/emacs/.ycm_extra_conf.py
import os
import os.path
+from glob import glob
import logging
import ycm_core
+import difflib
+# flags used when no compilation_db is found
BASE_FLAGS = [
- '-Wall',
'-std=c++1z',
- '-xc++',
- '-I/usr/lib/'
- '-I/usr/include/'
+ '-x', 'c++',
+]
+
+# flags are always added
+EXTRA_FLAGS = [
+ '-Wall',
+ '-Wextra',
+ '-Weverything',
+ '-Wno-c++98-compat',
+ '-Wno-c++98-compat-pedantic',
+ # '-Wshadow',
+ # '-Werror',
+ # '-Wc++98-compat',
+ # '-Wno-long-long',
+ # '-Wno-variadic-macros',
+ # '-fexceptions',
+ # '-DNDEBUG',
]
SOURCE_EXTENSIONS = [
'.mm'
]
-HEADER_EXTENSIONS = [
- '.h',
- '.hxx',
- '.hpp',
- '.hh'
-]
+
+def generate_qt_flags():
+ flags = ['-isystem', '/usr/include/qt/']
+ for p in glob('/usr/include/qt/*/'):
+ flags += ['-isystem', p]
+ return flags
+
+
+def similarity_ratio(s, t):
+ return difflib.SequenceMatcher(a=s.lower(), b=t.lower()).ratio()
+
def find_similar_file_in_database(dbpath, filename):
import json
- import Levenshtein
logging.info("Trying to find some file close to: " + filename)
- db = json.load(open(dbpath))
+ db = json.load(open(dbpath+ "/compile_commands.json"))
+
best_filename = ''
- best_distance = 1 << 31
+ best_ratio = 0
for entry in db:
- entry_filename = os.path.normpath(
- os.path.join(entry["directory"], entry["file"]))
- distance = Levenshtein.distance(str(filename), str(entry_filename))
- if distance < best_distance:
- best_filename = entry_filename
- best_distance = distance
- return best_filename
+ entry_filename = os.path.normpath(os.path.join(entry["directory"],
+ entry["file"]))
-def ok_compilation_info(info):
- return bool(info.compiler_flags_)
+ if filename == entry_filename:
+ logging.info("Found exact match: " + entry_filename)
+ return entry_filename
-def get_compilation_info_for_file(dbpath, database, filename):
- info = database.GetCompilationInfoForFile(filename)
- if ok_compilation_info(info):
- logging.info("Flags for file where found in database: " + filename)
- return info
- else:
- logging.info("Flags for file not found in database: " + filename)
basename = os.path.splitext(filename)[0]
for extension in SOURCE_EXTENSIONS:
replacement_file = basename + extension
- logging.info("Trying to replace extension with: " + extension)
- info = database.GetCompilationInfoForFile(replacement_file)
- if ok_compilation_info(info):
- logging.info("Replacing header with: " + replacement_file)
- return info
- replacement_file = find_similar_file_in_database(dbpath, filename)
- logging.info("Replacing header with: " + replacement_file)
- return database.GetCompilationInfoForFile(replacement_file)
+ if entry_filename == replacement_file:
+ logging.info("Found match: " + replacement_file)
+ return entry_filename
+
+ ratio = similarity_ratio(str(filename), str(entry_filename))
+ if ratio > best_ratio:
+ best_filename = entry_filename
+ best_ratio = ratio
+
+ logging.info("Found closest match: " + best_filename)
+ return best_filename
+
+
+def find_nearest_compilation_database(root='.'):
+ dirs = glob(root + '/*/compile_commands.json', recursive=True)
+
+ if len(dirs) == 1:
+ return dirs[0]
+ elif len(dirs) > 1:
+ logging.info("Multiple compilation databases found!")
+ logging.info(dirs)
+ dirs.sort(key=lambda x: os.stat(x).st_mtime, reverse=True)
+ logging.info("Selecting newest: %s" % (dirs[0]))
+ return dirs[0]
+
+ parent = os.path.dirname(os.path.abspath(root))
+ if parent == root:
+ raise RuntimeError("Could not find compile_commands.json")
+ return find_nearest_compilation_database(parent)
+
def find_nearest(path, target):
candidates = [
raise RuntimeError("Could not find " + target)
return find_nearest(parent, target)
-def make_relative_paths_in_flags_absolute(flags, working_directory):
- if not working_directory:
- return list(flags)
- new_flags = []
- make_next_absolute = False
- path_flags = [ '-isystem', '-I', '-iquote', '--sysroot=' ]
- for flag in flags:
- new_flag = flag
- if make_next_absolute:
- make_next_absolute = False
- if not flag.startswith('/'):
- new_flag = os.path.join(working_directory, flag)
- for path_flag in path_flags:
- if flag == path_flag:
- make_next_absolute = True
- break
- if flag.startswith(path_flag):
- path = flag[ len(path_flag): ]
- new_flag = path_flag + os.path.join(working_directory, path)
- break
- if new_flag:
- new_flags.append(new_flag)
- return new_flags
-
-def flags_for_clang_complete(root):
- try:
- clang_complete_path = find_nearest(root, '.clang_complete')
- clang_complete_flags = open(clang_complete_path, 'r').read().splitlines()
- return clang_complete_flags
- except Exception, err:
- logging.info("Error while looking flags for .clang_complete in root: " + root)
- logging.error(err)
- return None
def flags_for_include(root):
try:
real_path = os.path.join(dirroot, dir_path)
flags = flags + ["-I" + real_path]
return flags
- except Exception, err:
+ except Exception as err:
logging.info("Error while looking flags for includes in root: " + root)
logging.error(err)
return None
-def flags_for_compilation_database(root, filename):
+
+def get_compilation_database(root):
try:
- compilation_db_path = find_nearest(root, 'compile_commands.json')
+ compilation_db_path = find_nearest_compilation_database(root)
compilation_db_dir = os.path.dirname(compilation_db_path)
logging.info("Set compilation database directory to " + compilation_db_dir)
- compilation_db = ycm_core.CompilationDatabase(compilation_db_dir)
- if not compilation_db:
+ db = ycm_core.CompilationDatabase(compilation_db_dir)
+ if db is None:
logging.info("Compilation database file found but unable to load")
return None
- compilation_info = get_compilation_info_for_file(
- compilation_db_path, compilation_db, filename)
- if not compilation_info:
- logging.info("No compilation info for " + filename + " in compilation database")
- return None
- return make_relative_paths_in_flags_absolute(
- compilation_info.compiler_flags_,
- compilation_info.compiler_working_dir_)
- except Exception, err:
- logging.info("Error while trying to get flags for " + filename + " in compilation database")
+ return db
+ except Exception as err:
+ logging.info("Error while trying to find compilation database: " + root)
logging.error(err)
return None
-def flags_for_file(filename):
- root = os.path.realpath(filename)
- compilation_db_flags = flags_for_compilation_database(root, filename)
- if compilation_db_flags:
- final_flags = compilation_db_flags
+
+def Settings(**kwargs):
+ if kwargs['language'] != 'cfamily':
+ return {}
+
+ print(kwargs)
+ client_data = kwargs['client_data']
+ root = client_data.get('getcwd()', '.')
+ filename = kwargs['filename']
+
+ database = get_compilation_database(root)
+ if database:
+ filename = find_similar_file_in_database(database.database_directory,
+ filename)
+ compilation_info = database.GetCompilationInfoForFile(filename)
+ print(compilation_info)
+ if not compilation_info.compiler_flags_:
+ return {} #TODO use default flags
+ final_flags = list(compilation_info.compiler_flags_)
+ include_path_relative_to_dir = compilation_info.compiler_working_dir_
else:
final_flags = BASE_FLAGS
- clang_flags = flags_for_clang_complete(root)
- if clang_flags:
- final_flags = final_flags + clang_flags
include_flags = flags_for_include(root)
if include_flags:
- final_flags = final_flags + include_flags
+ final_flags += include_flags
+ final_flags += generate_qt_flags()
+ final_flags += ['-I', root,
+ '-I', root + '/include']
+ include_path_relative_to_dir = root
+
return {
- 'flags': final_flags,
+ 'flags': final_flags + EXTRA_FLAGS,
+ 'include_paths_relative_to_dir': include_path_relative_to_dir,
+ 'override_filename': filename,
'do_cache': True
}
-
-FlagsForFile = flags_for_file
repos / dotfiles.git / blobdiff