Squashed 'third_party/google-benchmark/' content from commit 785e2c3
Change-Id: Iaaca5eca89f717081452e643a233e86425b03e89
git-subtree-dir: third_party/google-benchmark
git-subtree-split: 785e2c3158589e8ef48c59ba80e48d76bdbd8902
diff --git a/.ycm_extra_conf.py b/.ycm_extra_conf.py
new file mode 100644
index 0000000..5649ddc
--- /dev/null
+++ b/.ycm_extra_conf.py
@@ -0,0 +1,115 @@
+import os
+import ycm_core
+
+# 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',
+'-Werror',
+'-pedantic-errors',
+'-std=c++0x',
+'-fno-strict-aliasing',
+'-O3',
+'-DNDEBUG',
+# ...and the same thing goes for the magic -x option which specifies the
+# language that the files to be compiled are written in. This is mostly
+# relevant for c++ headers.
+# For a C project, you would set this to 'c' instead of 'c++'.
+'-x', 'c++',
+'-I', 'include',
+'-isystem', '/usr/include',
+'-isystem', '/usr/local/include',
+]
+
+
+# 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 = [ '.cc' ]
+
+def DirectoryOfThisScript():
+ return os.path.dirname( os.path.abspath( __file__ ) )
+
+
+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 = DirectoryOfThisScript()
+ final_flags = MakeRelativePathsInFlagsAbsolute( flags, relative_to )
+
+ return {
+ 'flags': final_flags,
+ 'do_cache': True
+ }