Add .ycm_extra_conf for users that use YCM

Author: deanberris

.ycm_extra_conf.py

@@ -0,0 +1,70 @@
+# Copyright 2013 Google, Inc.
+# Copyright 2013 Dean Michael Berris <[email protected]>
+# Distributed under the Boost Software License, Version 1.0.
+# (See accompanying file LICENSE_1_0.txt or copy at
+# http://www.boost.org/LICENSE_1_0.txt)
+#
+# Project-wide configuration for YouCompleteMe Vim plugin.
+#
+# Based off of Valloric's .ycm_conf_extra.py for YouCompleteMe:
+#  https://github.com/Valloric/YouCompleteMe/blob/master/cpp/ycm/.ycm_extra_conf.py
+#
+
+import os
+import ycm_core
+
+flags = [
+    '-Wall',
+    '-Wextra',
+    '-Werror',
+    '-std=c++03',
+    '-isystem',
+    '.',
+    '-isystem',
+    '/usr/include',
+    '-isystem',
+    '/usr/include/c++/4.6',
+    '-isystem',
+    '/usr/include/clang/3.0/include',
+    '-I',
+    os.environ['BOOST_ROOT'],
+    # Always enable debugging for the project when building for semantic
+    # completion.
+    '-DBOOST_NETWORK_DEBUG',
+    ]
+
+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 FlagsForFile(filename):
+  relative_to = DirectoryOfThisScript()
+  final_flags = MakeRelativePathsInFlagsAbsolute(flags, relative_to)
+  return {'flags': final_flags, 'do_cache': True }