| /* |
| * |
| * 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.royale.JSRoyaleEmitterTokens; |
| import org.apache.royale.compiler.internal.definitions.AppliedVectorDefinition; |
| import org.apache.royale.compiler.internal.tree.as.*; |
| import org.apache.royale.compiler.tree.ASTNodeID; |
| import org.apache.royale.compiler.tree.as.IExpressionNode; |
| import org.apache.royale.compiler.tree.as.ILiteralNode; |
| import org.apache.royale.compiler.tree.as.IUnaryOperatorNode; |
| import org.apache.royale.compiler.utils.ASNodeUtils; |
| |
| public class UnaryOperatorEmitter extends JSSubEmitter implements |
| ISubEmitter<IUnaryOperatorNode> |
| { |
| public UnaryOperatorEmitter(IJSEmitter emitter) |
| { |
| super(emitter); |
| } |
| |
| @Override |
| public void emit(IUnaryOperatorNode node) |
| { |
| if (ASNodeUtils.hasParenOpen(node)) |
| write(ASEmitterTokens.PAREN_OPEN); |
| |
| Boolean isAssignment = (node.getNodeID() == ASTNodeID.Op_PreIncrID |
| || node.getNodeID() == ASTNodeID.Op_PreDecrID |
| || node.getNodeID() == ASTNodeID.Op_PostIncrID |
| || node.getNodeID() == ASTNodeID.Op_PostDecrID); |
| |
| if (isAssignment && (node.getOperandNode() instanceof MemberAccessExpressionNode) |
| && (((MemberAccessExpressionNode)(node.getOperandNode())).getRightOperandNode() instanceof IdentifierNode) |
| && ((IdentifierNode)(((MemberAccessExpressionNode)(node.getOperandNode())).getRightOperandNode())).getName().equals("length") |
| && ((MemberAccessExpressionNode)(node.getOperandNode())).getLeftOperandNode().resolveType(getProject()) instanceof AppliedVectorDefinition |
| ) { |
| //support for output of alternate length setter, example: vectorInst.length++ as vectorInst['_synthType'].length++ |
| //likewise for pre/post increment/decrement |
| |
| String synthTagName = JSRoyaleEmitterTokens.LANGUAGE_QNAME.getToken() + ASEmitterTokens.MEMBER_ACCESS.getToken() + JSRoyaleEmitterTokens.ROYALE_SYNTH_TAG_FIELD_NAME.getToken(); |
| LiteralNode synthType = new LiteralNode(ILiteralNode.LiteralType.STRING, synthTagName); |
| synthType.setSynthetic(true); |
| DynamicAccessNode patchedVectorReference = new DynamicAccessNode(((ExpressionNodeBase)((MemberAccessExpressionNode) node.getOperandNode()).getLeftOperandNode())); |
| ((ExpressionNodeBase)((MemberAccessExpressionNode) node.getOperandNode()).getLeftOperandNode()).setParent(patchedVectorReference); |
| patchedVectorReference.setRightOperandNode(synthType); |
| synthType.setParent(patchedVectorReference); |
| patchedVectorReference.setParent((NodeBase) node.getOperandNode()); |
| patchedVectorReference.setSourceLocation(((MemberAccessExpressionNode) node.getOperandNode()).getLeftOperandNode()); |
| ((MemberAccessExpressionNode) node.getOperandNode()).setLeftOperandNode(patchedVectorReference); |
| } |
| |
| if (node.getNodeID() == ASTNodeID.Op_PreIncrID |
| || node.getNodeID() == ASTNodeID.Op_PreDecrID |
| || node.getNodeID() == ASTNodeID.Op_BitwiseNotID |
| || node.getNodeID() == ASTNodeID.Op_LogicalNotID |
| || node.getNodeID() == ASTNodeID.Op_SubtractID |
| || node.getNodeID() == ASTNodeID.Op_AddID) |
| { |
| emitPreUnaryOperator(node); |
| } |
| else if (node.getNodeID() == ASTNodeID.Op_PostIncrID |
| || node.getNodeID() == ASTNodeID.Op_PostDecrID) |
| { |
| emitPostUnaryOperator(node); |
| } |
| else if (node.getNodeID() == ASTNodeID.Op_DeleteID) |
| { |
| emitDeleteOperator(node); |
| } |
| else if (node.getNodeID() == ASTNodeID.Op_VoidID) |
| { |
| emitVoidOperator(node); |
| } |
| else if (node.getNodeID() == ASTNodeID.Op_TypeOfID) |
| { |
| emitTypeOfOperator(node); |
| } |
| |
| if (ASNodeUtils.hasParenClose(node)) |
| write(ASEmitterTokens.PAREN_CLOSE); |
| } |
| |
| public void emitPreUnaryOperator(IUnaryOperatorNode node) |
| { |
| startMapping(node); |
| write(node.getOperator().getOperatorText()); |
| IExpressionNode opNode = node.getOperandNode(); |
| endMapping(node); |
| getWalker().walk(opNode); |
| } |
| |
| protected void emitPostUnaryOperator(IUnaryOperatorNode node) |
| { |
| IExpressionNode operandNode = node.getOperandNode(); |
| getWalker().walk(operandNode); |
| startMapping(node, operandNode); |
| write(node.getOperator().getOperatorText()); |
| endMapping(node); |
| } |
| |
| protected void emitDeleteOperator(IUnaryOperatorNode node) |
| { |
| startMapping(node); |
| writeToken(node.getOperator().getOperatorText()); |
| endMapping(node); |
| getWalker().walk(node.getOperandNode()); |
| } |
| |
| protected void emitVoidOperator(IUnaryOperatorNode node) |
| { |
| startMapping(node); |
| writeToken(node.getOperator().getOperatorText()); |
| endMapping(node); |
| getWalker().walk(node.getOperandNode()); |
| } |
| |
| protected void emitTypeOfOperator(IUnaryOperatorNode node) |
| { |
| startMapping(node); |
| write(node.getOperator().getOperatorText()); |
| write(ASEmitterTokens.PAREN_OPEN); |
| endMapping(node); |
| IExpressionNode operandNode = node.getOperandNode(); |
| getWalker().walk(operandNode); |
| startMapping(node); |
| write(ASEmitterTokens.PAREN_CLOSE); |
| endMapping(node); |
| } |
| } |