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import os
import os.path
# import fnmatch
import logging
import ycm_core
# import re
BASE_FLAGS = [
'-Wall',
'-Wextra',
# '-Werror',
# '-Wc++98-compat',
# '-Wno-long-long',
# '-Wno-variadic-macros',
# '-Wno-unused-function',
# '-Wno-unused-parameter',
# '-Wno-format-security',
'-fexceptions',
'-DNDEBUG',
'-std=c++14',
'-xc++',
'-isystem', '/usr/include/c++/v1',
# Gtk
'-isystem', '/usr/include/glib-2.0',
'-isystem', '/usr/include/gtk-3.0',
# Gtkmm
'-isystem', '/usr/include/sigc++-2.0',
'-isystem', '/usr/include/glibmm-2.4',
'-isystem', '/usr/include/gtkmm-3.0',
# QT5
'-isystem', '/usr/include/x86_64-linux-gnu/qt5',
'-isystem', '/usr/include/x86_64-linux-gnu/qt5/QtGui',
'-isystem', '/usr/include/x86_64-linux-gnu/qt5/QtCore',
'-isystem', '/usr/include/x86_64-linux-gnu/qt5/QtWidgets',
'-isystem', '/usr/include/x86_64-linux-gnu/qt5/QtQml',
'-isystem', '/usr/include/x86_64-linux-gnu/qt5/QtQuick',
'-isystem', '/usr/include/x86_64-linux-gnu/qt5/QtQuickControls2',
'-isystem', '/usr/lib/x86_64-linux-gnu/qt5/mkspecs/linux-g++-64',
# Quvi
'-isystem', '/usr/include/quvi-0.9',
'-I.',
# '-I/usr/include',
# '-I/usr/include/c++/4.9',
# '-isystem', '/usr/include/c++/4.9',
# '-I/usr/local/include',
# '-isystem', '/usr/include',
# '-isystem', '/usr/include/c++/4.9',
# '-isystem', '/usr/local/include',
# '-isystem', '/usr/include/c++',
# '-isystem', '/usr/include/c++/4.8',
# '-isystem', '/usr/include/glib-2.0',
# '-isystem', '/usr/include/glib-2.0',
# '-isystem', '/usr/include/gtk-2.0',
# '-isystem', '/usr/include/cairo',
# '-isystem', '/usr/include/dconf',
# '-isystem', '/usr/include/pango-1.0',
# '-isystem', '/usr/include/gdk-pixbuf-2.0',
# '-isystem/usr/include/gtk-2.0',
# '-isystem/usr/lib/x86_64-linux-gnu/gtk-2.0/include',
# '-isystem/usr/include/gio-unix-2.0/',
# '-isystem/usr/include/cairo',
# '-isystem/usr/include/pango-1.0',
# '-isystem/usr/include/cairo',
# '-isystem/usr/include/pixman-1',
# '-isystem/usr/include/freetype2',
# '-isystem/usr/include/libpng12',
# '-isystem/usr/include/gdk-pixbuf-2.0',
# '-isystem/usr/include/libpng12',
# '-isystem/usr/include/dconf',
# '-isystem/usr/include/glib-2.0',
# '-isystem/usr/lib/x86_64-linux-gnu/glib-2.0/include',
# '-Isrc',
# '-Ibuild/src',
# '-I/app/firefly/hub-module/sw/poky/build/tmp/sysroots/qemux86/usr/include',
# '-I/app/firefly/hub-module/sw/poky/build/tmp/sysroots/qemux86/usr/include/c++',
# '-I/app/firefly/hub-module/sw/poky/build/tmp/sysroots/qemux86/usr/include/c++/i586-poky-linux',
]
SOURCE_EXTENSIONS = [
'.cpp',
'.cxx',
'.cc',
'.c',
'.m',
'.mm'
]
SOURCE_DIRECTORIES = [
'src',
'lib'
]
HEADER_EXTENSIONS = [
'.h',
'.hxx',
'.hpp',
'.hh'
]
HEADER_DIRECTORIES = [
'include'
]
def IsHeaderFile(filename):
extension = os.path.splitext(filename)[1]
return extension in HEADER_EXTENSIONS
def GetCompilationInfoForFile(database, filename):
if IsHeaderFile(filename):
basename = os.path.splitext(filename)[0]
for extension in SOURCE_EXTENSIONS:
# Get info from the source files by replacing the extension.
replacement_file = basename + extension
if os.path.exists(replacement_file):
compilation_info = database.GetCompilationInfoForFile(replacement_file)
if compilation_info.compiler_flags_:
return compilation_info
# If that wasn't successful, try replacing possible header directory with possible source directories.
for header_dir in HEADER_DIRECTORIES:
for source_dir in SOURCE_DIRECTORIES:
src_file = replacement_file.replace(header_dir, source_dir)
if os.path.exists(src_file):
compilation_info = database.GetCompilationInfoForFile(src_file)
if compilation_info.compiler_flags_:
return compilation_info
return None
return database.GetCompilationInfoForFile(filename)
def FindNearest(path, target, build_folder):
candidate = os.path.join(path, target)
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)
if(build_folder):
candidate = os.path.join(parent, build_folder, target)
if(os.path.isfile(candidate) or os.path.isdir(candidate)):
logging.info("Found nearest " + target + " in build folder at " + candidate)
return candidate
return FindNearest(parent, target, build_folder)
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)
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 FlagsForClangComplete(root):
try:
clang_complete_path = FindNearest(root, '.clang_complete')
clang_complete_flags = open(clang_complete_path, 'r').read().splitlines()
return clang_complete_flags
except:
return None
def FlagsForInclude(root):
try:
include_path = FindNearest(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:
return None
def FlagsForCompilationDatabase(root, filename):
try:
# Last argument of next function is the name of the build folder for
# out of source projects
compilation_db_path = FindNearest(root, 'compile_commands.json', 'build')
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:
logging.info("Compilation database file found but unable to load")
return None
compilation_info = GetCompilationInfoForFile(compilation_db, filename)
if not compilation_info:
logging.info("No compilation info for " + filename + " in compilation database")
return None
return MakeRelativePathsInFlagsAbsolute(
compilation_info.compiler_flags_,
compilation_info.compiler_working_dir_)
except:
return None
def FlagsForFile(filename):
root = os.path.realpath(filename)
compilation_db_flags = FlagsForCompilationDatabase(root, filename)
if compilation_db_flags:
final_flags = compilation_db_flags
else:
final_flags = BASE_FLAGS
clang_flags = FlagsForClangComplete(root)
if clang_flags:
final_flags = final_flags + clang_flags
include_flags = FlagsForInclude(root)
if include_flags:
final_flags = final_flags + include_flags
return {
'flags': final_flags,
'do_cache': True
}
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