python/psi-api/src/com/jetbrains/python/psi/PySubscriptionExpression.java

/*
 * 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;

import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;

/**
 * @author yole
 */
public interface PySubscriptionExpression extends PyQualifiedExpression, PyCallSiteExpression, PyReferenceOwner {

  /**
   * @return For <code>spam[x][y][n]</code> will return <code>spam</code> regardless number of its dimensions
   */
  @NotNull
  PyExpression getRootOperand();

  @NotNull
  PyExpression getOperand();

  @Nullable
  PyExpression getIndexExpression();
}