lazyvim: absorb icons into rmz.util.ui

[dotfiles.git] / vim / ycm_extra_conf.py

diff --git a/vim/ycm_extra_conf.py b/vim/ycm_extra_conf.py
index 0e3b5da74524f743d1fb83162c44a49bf06db33d..f19fa08c956b37a69a4952f17d97b0c10961f395 100644 (file)
--- a/vim/ycm_extra_conf.py
+++ b/vim/ycm_extra_conf.py
@@ -1,63 +1,185 @@
+# 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

+import os.path
+from glob import glob
+import logging
+import ycm_core
+import difflib

 
 

+# flags used when no compilation_db is found
+BASE_FLAGS = [
+    '-std=c++1z',
+    '-x', 'c++',
+]

 
 

-def FlagsForFile(filename, **kwargs):
-    client_data = kwargs['client_data']
-    cwd = client_data['getcwd()']
-
-    flags = [
-        '-Wall',
-        # '-Wextra',
-        # '-Wshadow',
-        # '-Werror',
-        # '-Wc++98-compat',
-        # '-Wno-long-long',
-        # '-Wno-variadic-macros',
-        # '-fexceptions',
-        # '-DNDEBUG',
-        '-std=c++11',
-        '-stdlib=libstdc++',
-        '-x', 'c++',
-        '-I', '.',
-        '-I', './include',
+# 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 = [
+    '.cpp',
+    '.cxx',
+    '.cc',
+    '.c',
+    '.m',
+    '.mm'
+]
+
+
+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
+    logging.info("Trying to find some file close to: " + filename)
+    db = json.load(open(dbpath+ "/compile_commands.json"))
+
+    best_filename = ''
+    best_ratio = 0
+    for entry in db:
+        entry_filename = os.path.normpath(os.path.join(entry["directory"],
+                                                       entry["file"]))
+
+        if filename == entry_filename:
+            logging.info("Found exact match: " + entry_filename)
+            return entry_filename
+
+        basename = os.path.splitext(filename)[0]
+        for extension in SOURCE_EXTENSIONS:
+            replacement_file = basename + extension
+            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 = [
+        os.path.join(path, target),
+        os.path.join(path, 'build', target),
+        os.path.join(path, 'output', target),

     ]
     ]

-    relative_to = cwd
-    final_flags = MakeRelativePathsInFlagsAbsolute(flags, relative_to)
+    for candidate in candidates:
+        if os.path.isfile(candidate) or os.path.isdir(candidate):
+            logging.info("Found nearest " + target + " at " + candidate)
+            return candidate
+    parent = os.path.dirname(os.path.abspath(path))
+    if parent == path:
+        raise RuntimeError("Could not find " + target)
+    return find_nearest(parent, target)

 
 

-    return {
-        'flags': final_flags,
-        'do_cache': True
-    }

 
 

+def flags_for_include(root):
+    try:
+        include_path = find_nearest(root, 'include')
+        flags = []
+        for dirroot, dirnames, filenames in os.walk(include_path):
+            for dir_path in dirnames:
+                real_path = os.path.join(dirroot, dir_path)
+                flags = flags + ["-I" + real_path]
+        return flags
+    except Exception as err:
+        logging.info("Error while looking flags for includes in root: " + root)
+        logging.error(err)
+        return None

 
 

-def DirectoryOfThisScript():
-    return os.path.dirname(os.path.abspath(__file__))

 
 

+def get_compilation_database(root):
+    try:
+        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)
+        db = ycm_core.CompilationDatabase(compilation_db_dir)
+        if db is None:
+            logging.info("Compilation database file found but unable to load")
+            return None
+        return db
+    except Exception as err:
+        logging.info("Error while trying to find compilation database: " + root)
+        logging.error(err)
+        return None

 
 

-def MakeRelativePathsInFlagsAbsolute(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)
+def Settings(**kwargs):
+    if kwargs['language'] != 'cfamily':
+        return {}

 
 

-        for path_flag in path_flags:
-            if flag == path_flag:
-                make_next_absolute = True
-                break
+    print(kwargs)
+    client_data = kwargs['client_data']
+    root = client_data.get('getcwd()', '.')
+    filename = kwargs['filename']

 
 

-            if flag.startswith(path_flag):
-                path = flag[len(path_flag):]
-                new_flag = path_flag + os.path.join(working_directory, path)
-                break
+    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
+        include_flags = flags_for_include(root)
+        if include_flags:
+            final_flags += include_flags
+        final_flags += generate_qt_flags()
+        final_flags += ['-I', root,
+                        '-I', root + '/include']
+        include_path_relative_to_dir = root

 
 

-        if new_flag:
-            new_flags.append(new_flag)
-    return new_flags
+    return {
+        'flags': final_flags + EXTRA_FLAGS,
+        'include_paths_relative_to_dir': include_path_relative_to_dir,
+        'override_filename': filename,
+        'do_cache': True
+    }