1 files changed, 118 insertions, 0 deletions
diff --git a/.ycm_extra_conf.py b/.ycm_extra_conf.py
new file mode 100644
index 0000000..0d255af
--- /dev/null
+++ b/.ycm_extra_conf.py
@@ -0,0 +1,118 @@
+# This file is NOT licensed under the GPLv3, which is the license for the rest
+# of YouCompleteMe.
+# For more information, please refer to <http://unlicense.org/>
+
+import os
+import sys
+import ycm_core
+
+def log(msg):
+  filename = "/Users/viroemer/extra.txt"
+  with open(filename, 'a') as f:
+    f.write('%s\n' % msg)
+
+
+source_root = os.path.dirname( os.path.abspath( __file__ ) )
+build_root = os.path.join( source_root, 'build' )
+
+# 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 = [
+#    '-x', 'c++',
+#    '--std=c++14',
+#
+#    '-Weverything',
+#    '-Wall',
+#    '-Wextra',
+#    '-Werror',
+#    '-pedantic',
+#    '-isystem', '/usr/include',
+#    '-isystem', '/usr/local/include',
+#    '-isystem', '/usr/local/opt/openssl/include',
+#    '-UNDEBUG'
+#]
+
+if os.path.exists(os.path.join(build_root, 'compile_commands.json')):
+  print("Hello world")
+  database = ycm_core.CompilationDatabase(build_root)
+else:
+  database = None
+
+SOURCE_EXTENSIONS = [ '.cpp', '.cc', '.h', '.hpp' ]
+
+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' ]
+
+
+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
+  }