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