| /* |
| * Copyright 2000-2013 JetBrains s.r.o. |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| package com.jetbrains.python.psi.types; |
| |
| import com.intellij.psi.PsiElement; |
| import com.intellij.util.ArrayUtil; |
| import com.intellij.util.ProcessingContext; |
| import com.jetbrains.python.psi.AccessDirection; |
| import com.jetbrains.python.psi.PyExpression; |
| import com.jetbrains.python.psi.resolve.PyResolveContext; |
| import com.jetbrains.python.psi.resolve.RatedResolveResult; |
| import org.jetbrains.annotations.NotNull; |
| import org.jetbrains.annotations.Nullable; |
| |
| import java.util.List; |
| |
| /** |
| * @author yole |
| */ |
| public class PyNoneType implements PyType { // TODO must extend ClassType. It's an honest instance. |
| public static final PyNoneType INSTANCE = new PyNoneType(); |
| |
| protected PyNoneType() { |
| } |
| |
| @Nullable |
| public List<? extends RatedResolveResult> resolveMember(@NotNull final String name, |
| @Nullable PyExpression location, |
| @NotNull AccessDirection direction, |
| @NotNull PyResolveContext resolveContext) { |
| return null; |
| } |
| |
| public Object[] getCompletionVariants(String completionPrefix, PsiElement location, ProcessingContext context) { |
| return ArrayUtil.EMPTY_OBJECT_ARRAY; |
| } |
| |
| public String getName() { |
| return "None"; |
| } |
| |
| @Override |
| public boolean isBuiltin() { |
| return true; |
| } |
| |
| @Override |
| public void assertValid(String message) { |
| } |
| } |