| /* |
| * |
| * 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.internal.codegen.js.jx; |
| |
| import org.apache.royale.compiler.codegen.ISubEmitter; |
| import org.apache.royale.compiler.codegen.js.IJSEmitter; |
| import org.apache.royale.compiler.internal.codegen.as.ASEmitterTokens; |
| import org.apache.royale.compiler.internal.codegen.js.JSSubEmitter; |
| import org.apache.royale.compiler.internal.codegen.js.utils.EmitterUtils; |
| import org.apache.royale.compiler.tree.as.IASNode; |
| import org.apache.royale.compiler.tree.as.IContainerNode; |
| import org.apache.royale.compiler.tree.as.IWhileLoopNode; |
| |
| public class WhileLoopEmitter extends JSSubEmitter implements |
| ISubEmitter<IWhileLoopNode> |
| { |
| public WhileLoopEmitter(IJSEmitter emitter) |
| { |
| super(emitter); |
| } |
| |
| @Override |
| public void emit(IWhileLoopNode node) |
| { |
| |
| startMapping(node); |
| writeToken(ASEmitterTokens.WHILE); |
| write(ASEmitterTokens.PAREN_OPEN); |
| endMapping(node); |
| |
| IASNode conditionalExpression = node.getConditionalExpressionNode(); |
| getWalker().walk(conditionalExpression); |
| |
| IContainerNode statementContentsNode = (IContainerNode) node.getStatementContentsNode(); |
| startMapping(node, conditionalExpression); |
| write(ASEmitterTokens.PAREN_CLOSE); |
| if (!EmitterUtils.isImplicit(statementContentsNode)) |
| write(ASEmitterTokens.SPACE); |
| endMapping(node); |
| //if we have a while loop that has no body, then emit it the same way as it would be expressed |
| //in the original as3 source, with a semicolon terminator. |
| //Otherwise the loop body will be considered to be the following statement |
| if (EmitterUtils.isImplicit(statementContentsNode) |
| && statementContentsNode.getChildCount() == 0) { |
| writeToken(ASEmitterTokens.SEMICOLON); |
| } else { |
| getWalker().walk(statementContentsNode); |
| } |
| } |
| } |