223 lines
7.9 KiB
Python
223 lines
7.9 KiB
Python
# 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/>
|
|
|
|
from distutils.sysconfig import get_python_inc
|
|
import platform
|
|
import os
|
|
import subprocess
|
|
import ycm_core
|
|
|
|
project_path = os.path.abspath(os.path.dirname(__file__))
|
|
DIR_OF_THIS_SCRIPT = "/home/light/.vim/bundle/YouCompleteMe"
|
|
DIR_OF_THIRD_PARTY = os.path.join(DIR_OF_THIS_SCRIPT, 'third_party')
|
|
SOURCE_EXTENSIONS = ['.cpp', '.cxx', '.cc', '.c', '.m', '.mm']
|
|
|
|
# These are the compilation flags that will be used in case there's no
|
|
# compilation database set (by default, one is not set).
|
|
# CHANGE THIS LIST OF FLAGS. YES, THIS IS THE DROID YOU HAVE BEEN LOOKING FOR.
|
|
flags = [
|
|
'-Wall',
|
|
'-Wextra',
|
|
'-Werror',
|
|
'-Wno-long-long',
|
|
'-Wno-variadic-macros',
|
|
'-fexceptions',
|
|
'-DNDEBUG',
|
|
# You 100% do NOT need -DUSE_CLANG_COMPLETER and/or -DYCM_EXPORT in your flags;
|
|
# only the YCM source code needs it.
|
|
'-DUSE_CLANG_COMPLETER',
|
|
'-DYCM_EXPORT=',
|
|
# THIS IS IMPORTANT! Without the '-x' flag, Clang won't know which language to
|
|
# use when compiling headers. So it will guess. Badly. So C++ headers will be
|
|
# compiled as C headers. You don't want that so ALWAYS specify the '-x' flag.
|
|
# For a C project, you would set this to 'c' instead of 'c++'.
|
|
'-x',
|
|
'c++',
|
|
'-isystem',
|
|
'cpp/pybind11',
|
|
'-isystem',
|
|
'cpp/BoostParts',
|
|
'-isystem',
|
|
get_python_inc(),
|
|
'-isystem',
|
|
'cpp/llvm/include',
|
|
'-isystem',
|
|
'cpp/llvm/tools/clang/include',
|
|
'-I',
|
|
'cpp/ycm',
|
|
'-I',
|
|
'cpp/ycm/ClangCompleter',
|
|
'-isystem',
|
|
'cpp/ycm/tests/gmock/gtest',
|
|
'-isystem',
|
|
'cpp/ycm/tests/gmock/gtest/include',
|
|
'-isystem',
|
|
'cpp/ycm/tests/gmock',
|
|
'-isystem',
|
|
'cpp/ycm/tests/gmock/include',
|
|
'-isystem',
|
|
'cpp/ycm/benchmarks/benchmark/include',
|
|
'-isystem',
|
|
project_path + '/includes',
|
|
'-I',
|
|
project_path + '/src',
|
|
]
|
|
|
|
# Clang automatically sets the '-std=' flag to 'c++14' for MSVC 2015 or later,
|
|
# which is required for compiling the standard library, and to 'c++11' for older
|
|
# versions.
|
|
if platform.system() != 'Windows':
|
|
flags.append('-std=c++11')
|
|
|
|
|
|
# Set this to the absolute path to the folder (NOT the file!) containing the
|
|
# compile_commands.json file to use that instead of 'flags'. See here for
|
|
# more details: http://clang.llvm.org/docs/JSONCompilationDatabase.html
|
|
#
|
|
# You can get CMake to generate this file for you by adding:
|
|
# set( CMAKE_EXPORT_COMPILE_COMMANDS 1 )
|
|
# to your CMakeLists.txt file.
|
|
#
|
|
# Most projects will NOT need to set this to anything; you can just change the
|
|
# 'flags' list of compilation flags. Notice that YCM itself uses that approach.
|
|
compilation_database_folder = ''
|
|
|
|
if os.path.exists(compilation_database_folder):
|
|
database = ycm_core.CompilationDatabase(compilation_database_folder)
|
|
else:
|
|
database = None
|
|
|
|
|
|
def IsHeaderFile(filename):
|
|
extension = os.path.splitext(filename)[1]
|
|
return extension in ['.h', '.hxx', '.hpp', '.hh']
|
|
|
|
|
|
def FindCorrespondingSourceFile(filename):
|
|
if IsHeaderFile(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 PathToPythonUsedDuringBuild():
|
|
try:
|
|
filepath = os.path.join(
|
|
DIR_OF_THIS_SCRIPT, 'PYTHON_USED_DURING_BUILDING')
|
|
with open(filepath) as f:
|
|
return f.read().strip()
|
|
# We need to check for IOError for Python 2 and OSError for Python 3.
|
|
except (IOError, OSError):
|
|
return None
|
|
|
|
|
|
def Settings(**kwargs):
|
|
language = kwargs['language']
|
|
|
|
if language == 'cfamily':
|
|
# 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 = FindCorrespondingSourceFile(kwargs['filename'])
|
|
|
|
if not database:
|
|
return {
|
|
'flags': flags,
|
|
'include_paths_relative_to_dir': DIR_OF_THIS_SCRIPT,
|
|
'override_filename': filename
|
|
}
|
|
|
|
compilation_info = database.GetCompilationInfoForFile(filename)
|
|
if not compilation_info.compiler_flags_:
|
|
return {}
|
|
|
|
# Bear in mind that compilation_info.compiler_flags_ does NOT return a
|
|
# python list, but a "list-like" StringVec object.
|
|
final_flags = list(compilation_info.compiler_flags_)
|
|
|
|
# NOTE: This is just for YouCompleteMe; it's highly likely that your project
|
|
# does NOT need to remove the stdlib flag. DO NOT USE THIS IN YOUR
|
|
# ycm_extra_conf IF YOU'RE NOT 100% SURE YOU NEED IT.
|
|
try:
|
|
final_flags.remove('-stdlib=libc++')
|
|
except ValueError:
|
|
pass
|
|
|
|
return {
|
|
'flags': final_flags,
|
|
'include_paths_relative_to_dir': compilation_info.compiler_working_dir_,
|
|
'override_filename': filename
|
|
}
|
|
|
|
if language == 'python':
|
|
return {
|
|
'interpreter_path': PathToPythonUsedDuringBuild()
|
|
}
|
|
|
|
return {}
|
|
|
|
|
|
def GetStandardLibraryIndexInSysPath(sys_path):
|
|
for index, path in enumerate(sys_path):
|
|
if os.path.isfile(os.path.join(path, 'os.py')):
|
|
return index
|
|
raise RuntimeError('Could not find standard library path in Python path.')
|
|
|
|
|
|
def PythonSysPath(**kwargs):
|
|
sys_path = kwargs['sys_path']
|
|
|
|
sys_path.insert(0, DIR_OF_THIS_SCRIPT)
|
|
|
|
for folder in os.listdir(DIR_OF_THIRD_PARTY):
|
|
if folder == 'python-future':
|
|
folder = os.path.join(folder, 'src')
|
|
sys_path.insert(GetStandardLibraryIndexInSysPath(sys_path) + 1,
|
|
os.path.realpath(os.path.join(DIR_OF_THIRD_PARTY,
|
|
folder)))
|
|
continue
|
|
|
|
if folder == 'cregex':
|
|
interpreter_path = kwargs['interpreter_path']
|
|
major_version = subprocess.check_output([
|
|
interpreter_path, '-c', 'import sys; print( sys.version_info[ 0 ] )']
|
|
).rstrip().decode('utf8')
|
|
folder = os.path.join(folder, 'regex_{}'.format(major_version))
|
|
|
|
sys_path.insert(0, os.path.realpath(os.path.join(DIR_OF_THIRD_PARTY,
|
|
folder)))
|
|
return sys_path
|