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# Based on the example .ycm_extra_conf.py from YouCompleteMe, adapted
# for SerenityOS.
#
# This file is NOT licensed under the GPLv3, which is the license for the rest
# of YouCompleteMe.
#
# Here's the license text for this file:
#
# This is free and unencumbered software released into the public domain.
#
# Anyone is free to copy, modify, publish, use, compile, sell, or
# distribute this software, either in source code form or as a compiled
# binary, for any purpose, commercial or non-commercial, and by any
# means.
#
# In jurisdictions that recognize copyright laws, the author or authors
# of this software dedicate any and all copyright interest in the
# software to the public domain. We make this dedication for the benefit
# of the public at large and to the detriment of our heirs and
# successors. We intend this dedication to be an overt act of
# relinquishment in perpetuity of all present and future rights to this
# software under copyright law.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
# EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
# MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
# IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR
# OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
# ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
# OTHER DEALINGS IN THE SOFTWARE.
#
# For more information, please refer to <http://unlicense.org/>
import os
import subprocess
import ycm_core
DIR_OF_THIS_SCRIPT = os.path.abspath(os.path.dirname(__file__))
SOURCE_EXTENSIONS = ['.cpp', '.c']
gcc_path = None
for serenity_arch in ['x86_64', 'i686', 'aarch64']:
candidate_gcc_path = os.path.join(
DIR_OF_THIS_SCRIPT, 'Toolchain',
'Local', serenity_arch, 'bin', f'{serenity_arch}-pc-serenity-gcc'
)
if os.path.isfile(candidate_gcc_path):
gcc_path = candidate_gcc_path
break
serenity_flags = [
'-D__serenity__',
'-D__unix__'
]
if gcc_path:
gcc_output = subprocess.check_output(
[gcc_path, '-E', '-Wp,-v', '-'],
stdin=subprocess.DEVNULL, stderr=subprocess.STDOUT
).rstrip().decode('utf8').split("\n")
for line in gcc_output:
if not line.startswith(' '):
continue
include_path = line.lstrip()
if '/../Build/' in include_path:
continue
serenity_flags.extend(('-isystem', include_path))
database = ycm_core.CompilationDatabase(os.path.join(DIR_OF_THIS_SCRIPT, f'Build/{serenity_arch}'))
def is_header_file(filename):
extension = os.path.splitext(filename)[1]
return extension in ['.h', '.hxx', '.hpp', '.hh']
def find_corresponding_source_file(filename):
if is_header_file(filename):
basename = os.path.splitext(filename)[0]
for extension in SOURCE_EXTENSIONS:
replacement_file = basename + extension
if os.path.exists(replacement_file):
return replacement_file
return filename
def startswith_any(string, prefixes):
for prefix in prefixes:
if string.startswith(prefix):
return True
return False
def Settings(**kwargs):
if kwargs['language'] != 'cfamily':
return {}
# If the file is a header, try to find the corresponding source file and
# retrieve its flags from the compilation database if using one. This is
# necessary since compilation databases don't have entries for header files.
# In addition, use this source file as the translation unit. This makes it
# possible to jump from a declaration in the header file to its definition
# in the corresponding source file.
filename = find_corresponding_source_file(kwargs['filename'])
compilation_info = database.GetCompilationInfoForFile(filename)
if not compilation_info.compiler_flags_:
return {}
ignored_flags = [
'--sysroot',
'-fzero-call-used-regs=used-gpr',
]
final_flags = [flag for flag in compilation_info.compiler_flags_ if not startswith_any(flag, ignored_flags)]
final_flags.extend(serenity_flags)
return {
'flags': final_flags,
'include_paths_relative_to_dir': DIR_OF_THIS_SCRIPT,
'override_filename': filename
}
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