add a .ycm_extra_conf.py file

.ycm_extra_conf.py

@@ -0,0 +1,101 @@
+import os
+import ycm_core
+import subprocess
+from clang_helpers import PrepareClangFlags
+
+database = None
+
+def pkg_config(pkg):
+  def not_whitespace(string):
+    return not (string == '' or string == '\n')
+  output = subprocess.check_output(['pkg-config', '--cflags', pkg]).strip()
+  return filter(not_whitespace, output.split(' '))
+
+flags = [
+  '-Wall',
+  '-Wextra',
+  '-Werror',
+  '-pedantic',
+  '-Winit-self',
+  '-Wshadow',
+  '-Wformat=2',
+  '-Wmissing-declarations',
+  '-Wstrict-overflow=5',
+  '-Wcast-align',
+  '-Wcast-qual',
+  '-Wconversion',
+  '-Wunused-macros',
+  '-Wwrite-strings',
+  '-Wimplicit-fallthrough',
+  '-DNDEBUG',
+  '-DUSE_CLANG_COMPLETER',
+  '-DTERMITE_VERSION="ycm"',
+  '-D_POSIX_C_SOURCE=200809L',
+  '-std=c++11',
+  '-x',
+  'c++'
+]
+
+flags += pkg_config('gtk+-3.0')
+flags += pkg_config('vte-2.90')
+
+
+def DirectoryOfThisScript():
+  return os.path.dirname( os.path.abspath( __file__ ) )
+
+
+def MakeRelativePathsInFlagsAbsolute( flags, working_directory ):
+  if not working_directory:
+    return 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 ):
+  if database:
+    # Bear in mind that compilation_info.compiler_flags_ does NOT return a
+    # python list, but a "list-like" StringVec object
+    compilation_info = database.GetCompilationInfoForFile( filename )
+    final_flags = PrepareClangFlags(
+        MakeRelativePathsInFlagsAbsolute(
+            compilation_info.compiler_flags_,
+            compilation_info.compiler_working_dir_ ),
+        filename )
+
+    # NOTE: This is just for YouCompleteMe; it's highly likely that your project
+    # does NOT need to remove the stdlib flag. DO NOT USE THIS IN YOUR
+    # ycm_extra_conf IF YOU'RE NOT 100% YOU NEED IT.
+    try:
+      final_flags.remove( '-stdlib=libc++' )
+    except ValueError:
+      pass
+  else:
+    relative_to = DirectoryOfThisScript()
+    final_flags = MakeRelativePathsInFlagsAbsolute( flags, relative_to )
+
+  return {
+    'flags': final_flags,
+    'do_cache': True
+  }