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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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-
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-import os
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-import ycm_core
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-
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-# These are the compilation flags that will be used in case there's no
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-# compilation database set (by default, one is not set).
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-# CHANGE THIS LIST OF FLAGS. YES, THIS IS THE DROID YOU HAVE BEEN LOOKING FOR.
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-flags = [
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-'-Wall',
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-'-Wextra',
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-'ggdb',
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-'-std=c99',
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-'-pedantic'
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-]
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-
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-
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-# Set this to the absolute path to the folder (NOT the file!) containing the
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-# compile_commands.json file to use that instead of 'flags'. See here for
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-# more details: http://clang.llvm.org/docs/JSONCompilationDatabase.html
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-#
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-# You can get CMake to generate this file for you by adding:
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-# set( CMAKE_EXPORT_COMPILE_COMMANDS 1 )
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-# to your CMakeLists.txt file.
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-#
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-# Most projects will NOT need to set this to anything; you can just change the
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-# 'flags' list of compilation flags. Notice that YCM itself uses that approach.
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-compilation_database_folder = ''
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-
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-if os.path.exists( compilation_database_folder ):
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- database = ycm_core.CompilationDatabase( compilation_database_folder )
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-else:
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- database = None
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-
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-SOURCE_EXTENSIONS = [ '.cpp', '.cxx', '.cc', '.c', '.m', '.mm' ]
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-
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-def DirectoryOfThisScript():
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- return os.path.dirname( os.path.abspath( __file__ ) )
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-
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-
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-def MakeRelativePathsInFlagsAbsolute( flags, working_directory ):
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- if not working_directory:
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- return list( flags )
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- new_flags = []
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- make_next_absolute = False
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- path_flags = [ '-isystem', '-I', '-iquote', '--sysroot=' ]
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- for flag in flags:
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- new_flag = flag
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-
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- if make_next_absolute:
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- make_next_absolute = False
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- if not flag.startswith( '/' ):
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- new_flag = os.path.join( working_directory, flag )
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-
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- for path_flag in path_flags:
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- if flag == path_flag:
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- make_next_absolute = True
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- break
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-
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- if flag.startswith( path_flag ):
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- path = flag[ len( path_flag ): ]
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- new_flag = path_flag + os.path.join( working_directory, path )
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- break
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-
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- if new_flag:
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- new_flags.append( new_flag )
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- return new_flags
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-
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-
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-def IsHeaderFile( 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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-
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-
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-def GetCompilationInfoForFile( filename ):
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- # The compilation_commands.json file generated by CMake does not have entries
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- # for header files. So we do our best by asking the db for flags for a
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- # corresponding source file, if any. If one exists, the flags for that file
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- # should be good enough.
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- if IsHeaderFile( 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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- compilation_info = database.GetCompilationInfoForFile(
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- replacement_file )
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- if compilation_info.compiler_flags_:
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- return compilation_info
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- return None
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- return database.GetCompilationInfoForFile( filename )
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-
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-
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-def FlagsForFile( filename, **kwargs ):
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- if database:
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- # Bear in mind that compilation_info.compiler_flags_ does NOT return a
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- # python list, but a "list-like" StringVec object
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- compilation_info = GetCompilationInfoForFile( filename )
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- if not compilation_info:
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- return None
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-
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- final_flags = MakeRelativePathsInFlagsAbsolute(
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- compilation_info.compiler_flags_,
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- compilation_info.compiler_working_dir_ )
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-
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- # NOTE: This is just for YouCompleteMe; it's highly likely that your project
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- # does NOT need to remove the stdlib flag. DO NOT USE THIS IN YOUR
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- # ycm_extra_conf IF YOU'RE NOT 100% SURE YOU NEED IT.
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- try:
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- final_flags.remove( '-stdlib=libc++' )
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- except ValueError:
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- pass
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- else:
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- relative_to = DirectoryOfThisScript()
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- final_flags = MakeRelativePathsInFlagsAbsolute( flags, relative_to )
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-
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- return {
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- 'flags': final_flags,
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- 'do_cache': True
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- }
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