| /* |
| * |
| * 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.ASTNodeID; |
| import org.apache.royale.compiler.tree.as.IASNode; |
| import org.apache.royale.compiler.tree.as.IContainerNode; |
| import org.apache.royale.compiler.tree.as.IForLoopNode; |
| |
| public class ForLoopEmitter extends JSSubEmitter implements |
| ISubEmitter<IForLoopNode> |
| { |
| public ForLoopEmitter(IJSEmitter emitter) |
| { |
| super(emitter); |
| } |
| |
| @Override |
| public void emit(IForLoopNode node) |
| { |
| IContainerNode xnode = (IContainerNode) node.getChild(1); |
| |
| startMapping(node); |
| writeToken(ASEmitterTokens.FOR); |
| write(ASEmitterTokens.PAREN_OPEN); |
| endMapping(node); |
| |
| IContainerNode cnode = node.getConditionalsContainerNode(); |
| final IASNode node0 = cnode.getChild(0); |
| if (node0.getNodeID() == ASTNodeID.Op_InID) |
| { |
| //for(in) |
| getWalker().walk(cnode.getChild(0)); |
| } |
| else //for(;;) |
| { |
| emitForStatements(cnode); |
| } |
| |
| startMapping(node, cnode); |
| write(ASEmitterTokens.PAREN_CLOSE); |
| if (!EmitterUtils.isImplicit(xnode)) |
| write(ASEmitterTokens.SPACE); |
| endMapping(node); |
| |
| getWalker().walk(node.getStatementContentsNode()); |
| } |
| |
| protected void emitForStatements(IContainerNode node) |
| { |
| final IASNode node0 = node.getChild(0); |
| final IASNode node1 = node.getChild(1); |
| final IASNode node2 = node.getChild(2); |
| |
| int column = node.getColumn(); |
| // initializer |
| if (node0 != null) |
| { |
| getWalker().walk(node0); |
| |
| if (node1.getNodeID() != ASTNodeID.NilID) |
| { |
| column += node0.getAbsoluteEnd() - node0.getAbsoluteStart(); |
| } |
| startMapping(node, node.getLine(), column); |
| write(ASEmitterTokens.SEMICOLON); |
| column++; |
| if (node1.getNodeID() != ASTNodeID.NilID) |
| { |
| write(ASEmitterTokens.SPACE); |
| column++; |
| } |
| endMapping(node); |
| } |
| // condition or target |
| if (node1 != null) |
| { |
| getWalker().walk(node1); |
| |
| if (node1.getNodeID() != ASTNodeID.NilID) |
| { |
| column += node1.getAbsoluteEnd() - node1.getAbsoluteStart(); |
| } |
| startMapping(node, node.getLine(), column); |
| write(ASEmitterTokens.SEMICOLON); |
| if (node2.getNodeID() != ASTNodeID.NilID) |
| write(ASEmitterTokens.SPACE); |
| endMapping(node); |
| } |
| // iterator |
| if (node2 != null) |
| { |
| getWalker().walk(node2); |
| } |
| } |
| } |