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+#!/usr/bin/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/>
+
+import os
+from subprocess import check_output
+import ycm_core
+
+flags = [
+'-Wall',
+'-Wextra',
+'-Wno-unused-parameter',
+'-fexceptions',
+'-x', 'c++',
+'-std=c++11',
+'-I', '.',
+'-isystem', '/usr/include',
+'-isystem', '/usr/local/include',
+'-isystem', '/usr/lib/gcc/x86_64-pc-linux-gnu/4.9.3/include/g++-v4',
+'-isystem', '/usr/lib/gcc/x86_64-pc-linux-gnu/4.9.3/include/g++-v4/x86_64-pc-linux-gnu',
+'-isystem', '/usr/lib/gcc/x86_64-pc-linux-gnu/4.9.3/include/g++-v4/backward',
+'-isystem', '/usr/lib/clang/3.7.1/include',
+'-isystem', '/usr/include/c++/v1',
+'-isystem', '/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/include/c++/v1',
+'-isystem', '/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/clang/7.0.0/include',
+'-isystem', '/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/include',
+'-isystem', '/Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX10.11.sdk/usr/include',
+'-F', '/Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX10.11.sdk/System/Library/Frameworks'
+]
+
+# 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
+#
+# 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
+
+SOURCE_EXTENSIONS = [ '.cpp', '.cxx', '.cc', '.c', '.m', '.mm' ]
+
+
+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 IsHeaderFile(filename):
+ extension = os.path.splitext(filename)[1]
+ return extension in [ '.h', '.hxx', '.hpp', '.hh' ]
+
+def GetCompilationInfoForFile(filename):
+ # The compilation_commands.json file generated by CMake does not have entries
+ # for header files. So we do our best by asking the db for flags for a
+ # corresponding source file, if any. If one exists, the flags for that file
+ # should be good enough.
+ if IsHeaderFile( filename ):
+ basename = os.path.splitext( filename )[ 0 ]
+ for extension in SOURCE_EXTENSIONS:
+ replacement_file = basename + extension
+ if os.path.exists( replacement_file ):
+ compilation_info = database.GetCompilationInfoForFile(
+ replacement_file )
+ if compilation_info.compiler_flags_:
+ return compilation_info
+ return None
+ return database.GetCompilationInfoForFile(filename)
+
+
+def FlagsForFile( filename, **kwargs ):
+ if database:
+ # Bear in mind that compilation_info.compiler_flags_ does NOT return a
+ # python list, but a "list-like" StringVec object
+ compilation_info = GetCompilationInfoForFile(filename)
+ if not compilation_info:
+ return None
+
+ final_flags = MakeRelativePathsInFlagsAbsolute(
+ compilation_info.compiler_flags_,
+ compilation_info.compiler_working_dir_ )
+
+ else:
+ relative_to = os.path.dirname(os.path.abspath( __file__ ))
+ final_flags = MakeRelativePathsInFlagsAbsolute( flags, relative_to )
+
+ return {
+ 'flags': final_flags,
+ 'do_cache': True
+ }