| /* |
| * |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You 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 org.apache.royale.compiler.tree.as; |
| |
| /** |
| * An AST node representing a <code>while</code> |
| * or <code>do<code>-<code>while</code> statement. |
| * <p> |
| * The shape of this node is |
| * <pre> |
| * IWhileLoopNode |
| * IExpressionNode <-- getConditionalExpressionNode() |
| * IBlockNode <-- getStatementContentsNode() |
| * </pre> |
| * in the case of a <code>while</code> statement and |
| * <pre> |
| * IWhileLoopNode |
| * IBlockNode <-- getStatementContentsNode() |
| * IExpressionNode <-- getConditionalExpressionNode() |
| * </pre> |
| * in the case of a <code>do<code>-<code>while</code> statement. |
| * Example 1: |
| * <pre> |
| * while (a > b) |
| * { |
| * a--; |
| * b++; |
| * } |
| * </pre> |
| * is represented as |
| * <pre> |
| * IWhileLoopNode |
| * IBinaryOperatorNode ">" |
| * IIdentifierNode "a" |
| * IIdentiferNode "b" |
| * IBlockNode |
| * IUnaryOperatorNode "--" |
| * IIdentifierNode "a" |
| * IUnaryOperatorNode "++" |
| * IIdentifierNode "b" |
| * </pre> |
| * Example 2: |
| * <pre> |
| * do |
| * { |
| * a--; |
| * b++; |
| * } |
| * while (a > b) |
| * </pre> |
| * is represented as |
| * <pre> |
| * IWhileLoopNode |
| * IBlockNode |
| * IUnaryOperatorNode "--" |
| * IIdentifierNode "a" |
| * IUnaryOperatorNode "++" |
| * IIdentifierNode "b" |
| * IBinaryOperatorNode ">" |
| * IIdentifierNode "a" |
| * IIdentiferNode "b" |
| * </pre> |
| * An implicit <code>IBlockNode</code> is created |
| * when there are no curly braces. |
| */ |
| public interface IWhileLoopNode extends IConditionalNode |
| { |
| /** |
| * A WhileLoopKind represents different kinds of while loops |
| */ |
| enum WhileLoopKind |
| { |
| /** |
| * A while loop |
| */ |
| WHILE, |
| |
| /** |
| * A do loop |
| */ |
| DO |
| } |
| |
| /** |
| * Returns the kind of the while loop |
| * |
| * @return a {@link WhileLoopKind} |
| */ |
| WhileLoopKind getKind(); |
| } |