| /* |
| * |
| * 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.definitions.IDefinition; |
| import org.apache.royale.compiler.internal.codegen.as.ASEmitterTokens; |
| import org.apache.royale.compiler.internal.codegen.js.JSSubEmitter; |
| import org.apache.royale.compiler.tree.ASTNodeID; |
| import org.apache.royale.compiler.tree.as.IExpressionNode; |
| import org.apache.royale.compiler.tree.as.IFunctionNode; |
| import org.apache.royale.compiler.tree.as.IReturnNode; |
| |
| public class ReturnEmitter extends JSSubEmitter implements |
| ISubEmitter<IReturnNode> |
| { |
| public ReturnEmitter(IJSEmitter emitter) |
| { |
| super(emitter); |
| } |
| |
| @Override |
| public void emit(IReturnNode node) |
| { |
| IExpressionNode rnode = node.getReturnValueNode(); |
| boolean hasReturnValue = rnode != null && rnode.getNodeID() != ASTNodeID.NilID; |
| |
| startMapping(node); |
| write(ASEmitterTokens.RETURN); |
| if (hasReturnValue) |
| { |
| write(ASEmitterTokens.SPACE); |
| } |
| endMapping(node); |
| |
| if (hasReturnValue) |
| { |
| IDefinition returnDef = null; |
| IFunctionNode parentFn = (IFunctionNode) node.getAncestorOfType(IFunctionNode.class); |
| if (parentFn != null) |
| { |
| IExpressionNode returnTypeNode = parentFn.getReturnTypeNode(); |
| if (returnTypeNode != null) |
| { |
| returnDef = returnTypeNode.resolve(getProject()); |
| } |
| } |
| getEmitter().emitAssignmentCoercion(rnode, returnDef); |
| } |
| } |
| } |