| /* |
| * Copyright 2012, the Dart project authors. |
| * |
| * Licensed under the Eclipse Public License v1.0 (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.eclipse.org/legal/epl-v10.html |
| * |
| * 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.google.dart.engine.ast; |
| |
| import com.google.dart.engine.scanner.Token; |
| |
| /** |
| * The abstract class {@code FunctionBody} defines the behavior common to objects representing the |
| * body of a function or method. |
| * |
| * <pre> |
| * functionBody ::= |
| * {@link BlockFunctionBody blockFunctionBody} |
| * | {@link EmptyFunctionBody emptyFunctionBody} |
| * | {@link ExpressionFunctionBody expressionFunctionBody} |
| * </pre> |
| * |
| * @coverage dart.engine.ast |
| */ |
| public abstract class FunctionBody extends AstNode { |
| /** |
| * Return the token representing the 'async' or 'sync' keyword, or {@code null} if there is no |
| * such keyword. |
| * |
| * @return the token representing the 'async' or 'sync' keyword |
| */ |
| public Token getKeyword() { |
| return null; |
| } |
| |
| /** |
| * Return the star following the 'async' or 'sync' keyword, or {@code null} if there is no star. |
| * |
| * @return the star following the 'async' or 'sync' keyword |
| */ |
| public Token getStar() { |
| return null; |
| } |
| |
| /** |
| * Return {@code true} if this function body is asynchronous. |
| * |
| * @return {@code true} if this function body is asynchronous |
| */ |
| public boolean isAsynchronous() { |
| return false; |
| } |
| |
| /** |
| * Return {@code true} if this function body is a generator. |
| * |
| * @return {@code true} if this function body is a generator |
| */ |
| public boolean isGenerator() { |
| return false; |
| } |
| |
| /** |
| * Return {@code true} if this function body is synchronous. |
| * |
| * @return {@code true} if this function body is synchronous |
| */ |
| public boolean isSynchronous() { |
| return true; |
| } |
| } |