| /* |
| * |
| * 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>for</code>, <code>for</code>-<code>in</code>, |
| * or <code>for</code>-<code>each</code>-<code>in</code> statement. |
| * <p> |
| * The shape of this node is |
| * <pre> |
| * IForLoopNode |
| * IContainerNode <-- getConditionalsContainerNode() |
| * IBlockNode <-- getStatementContentsNode() |
| * </pre> |
| * In the case of a regular <code>for</code> statement, |
| * the container node contains the three control expressions. |
| * For example, |
| * <pre> |
| * for (i = 0; i < n; i++) |
| * { |
| * ... |
| * } |
| * </pre> |
| * is represented as |
| * <pre> |
| * IForLoopNode "for" |
| * IContainerNode |
| * IBinaryOperatorNode "=" |
| * IIdentifierNode "i" |
| * INumericalLiteralNode 0 |
| * IBinaryOperatorNode "<" |
| * IIdentifierNode "i" |
| * IIdentifierNode "n" |
| * IUnaryOperatorNode "++" |
| * IIdentifierNode "i" |
| * IBlockNode |
| * ... |
| * </pre> |
| * In the case of a <code>for</code>-<code>in</code>, |
| * or <code>for</code>-<code>each</code>-<code>in</code> statement, |
| * the container node contains a single binary operator node |
| * for the <code>in</code> operator. |
| * For example, |
| * <pre> |
| * for (p in o) |
| * { |
| * ... |
| * } |
| * </pre> |
| * is represented as |
| * <pre> |
| * IForLoopNode "for" |
| * IContainerNode |
| * IBinaryOperatorNode "in" |
| * IIdentifierNode "p" |
| * IIdentifierNode "o" |
| * IBlockNode |
| * ... |
| * </pre> |
| */ |
| public interface IForLoopNode extends IStatementNode |
| { |
| /** |
| * A ForLoopKind represents different kinds of for loops |
| */ |
| enum ForLoopKind |
| { |
| /** |
| * A standard for loop |
| */ |
| FOR, |
| |
| /** |
| * A for each loop |
| */ |
| FOR_EACH |
| } |
| |
| /** |
| * Returns the kind of the <code>for</code> statement. |
| * |
| * @return a {@link ForLoopKind} |
| */ |
| ForLoopKind getKind(); |
| |
| /** |
| * Returns the container node containing the conditional expression(s) |
| * for the <code>for</code> statement. |
| * |
| * @return An {@link IContainerNode} containing the conditional expressions, |
| * or <code>null</code>. |
| */ |
| IContainerNode getConditionalsContainerNode(); |
| |
| /** |
| * Returns an array containing the conditional expression(s) |
| * for the <code>for</code> statement. |
| * |
| * @return An array of {@link IExpressionNode} objects, or <code>null</code>. |
| */ |
| IExpressionNode[] getConditionalExpressionNodes(); |
| } |