| /* |
| * |
| * 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.IDocEmitter; |
| import org.apache.royale.compiler.codegen.ISubEmitter; |
| import org.apache.royale.compiler.codegen.js.IJSEmitter; |
| import org.apache.royale.compiler.constants.IASLanguageConstants; |
| import org.apache.royale.compiler.definitions.ITypeDefinition; |
| import org.apache.royale.compiler.internal.codegen.as.ASEmitterTokens; |
| import org.apache.royale.compiler.internal.codegen.js.JSEmitterTokens; |
| import org.apache.royale.compiler.internal.codegen.js.JSSubEmitter; |
| import org.apache.royale.compiler.internal.codegen.js.royale.JSRoyaleDocEmitter; |
| import org.apache.royale.compiler.internal.codegen.js.royale.JSRoyaleEmitter; |
| import org.apache.royale.compiler.internal.codegen.js.royale.JSRoyaleEmitterTokens; |
| import org.apache.royale.compiler.internal.definitions.AppliedVectorDefinition; |
| import org.apache.royale.compiler.internal.projects.RoyaleJSProject; |
| import org.apache.royale.compiler.internal.tree.as.BinaryOperatorAssignmentNode; |
| import org.apache.royale.compiler.internal.tree.as.FunctionCallNode; |
| import org.apache.royale.compiler.internal.tree.as.IdentifierNode; |
| import org.apache.royale.compiler.internal.tree.as.MemberAccessExpressionNode; |
| import org.apache.royale.compiler.parsing.IASToken; |
| import org.apache.royale.compiler.tree.ASTNodeID; |
| import org.apache.royale.compiler.tree.as.IDynamicAccessNode; |
| import org.apache.royale.compiler.tree.as.IExpressionNode; |
| import org.apache.royale.compiler.tree.as.ILiteralNode; |
| import org.apache.royale.compiler.tree.as.IOperatorNode.OperatorType; |
| import org.apache.royale.compiler.utils.ASNodeUtils; |
| import org.apache.royale.compiler.utils.NativeUtils; |
| |
| public class DynamicAccessEmitter extends JSSubEmitter implements |
| ISubEmitter<IDynamicAccessNode> |
| { |
| public DynamicAccessEmitter(IJSEmitter emitter) |
| { |
| super(emitter); |
| } |
| |
| @Override |
| public void emit(IDynamicAccessNode node) |
| { |
| if (ASNodeUtils.hasParenOpen(node)) |
| write(ASEmitterTokens.PAREN_OPEN); |
| |
| IExpressionNode leftOperandNode = node.getLeftOperandNode(); |
| getWalker().walk(leftOperandNode); |
| if (leftOperandNode.getNodeID() == ASTNodeID.Op_AtID) |
| return; |
| |
| IExpressionNode rightOperandNode = node.getRightOperandNode(); |
| ITypeDefinition type = rightOperandNode.resolveType(getProject()); |
| IJSEmitter ijs = getEmitter(); |
| JSRoyaleEmitter fjs = (ijs instanceof JSRoyaleEmitter) ? |
| (JSRoyaleEmitter)ijs : null; |
| if (fjs != null) |
| { |
| boolean isProxy = false; |
| boolean isXML = false; |
| if (leftOperandNode instanceof MemberAccessExpressionNode) |
| isXML = fjs.isLeftNodeXMLish((MemberAccessExpressionNode)leftOperandNode); |
| else if (leftOperandNode instanceof IExpressionNode) |
| isXML = fjs.isXMLish((IExpressionNode)leftOperandNode); |
| if (leftOperandNode instanceof MemberAccessExpressionNode) |
| isProxy = fjs.isProxy((MemberAccessExpressionNode)leftOperandNode); |
| else if (leftOperandNode instanceof IExpressionNode) |
| isProxy = fjs.isProxy((IExpressionNode)leftOperandNode); |
| if (isXML) |
| { |
| if (type == null) { |
| //this can happen if myThing is of type Object or AnyType (*) |
| //with example: myXml.somethingChild[myThing.id] |
| //use Stringify with 'child' method, which has support for attributes vs elements |
| write(".child('' +"); |
| getWalker().walk(rightOperandNode); |
| write(")"); |
| if (ASNodeUtils.hasParenClose(node)) |
| write(ASEmitterTokens.PAREN_CLOSE); |
| return; |
| } |
| if (type.isInstanceOf("String", getProject())) |
| { |
| String field = fjs.stringifyNode(rightOperandNode); |
| if (field.startsWith("\"@")) |
| { |
| field = field.replace("@", ""); |
| write(".attribute(" + field + ")"); |
| } |
| else |
| write(".child(" + field + ")"); |
| if (ASNodeUtils.hasParenClose(node)) |
| write(ASEmitterTokens.PAREN_CLOSE); |
| return; |
| } |
| else if (type.isInstanceOf("QName", getProject())) |
| { |
| String field = fjs.stringifyNode(rightOperandNode); |
| write(".child(" + field + ")"); |
| if (ASNodeUtils.hasParenClose(node)) |
| write(ASEmitterTokens.PAREN_CLOSE); |
| return; |
| } |
| } |
| else if (isProxy) |
| { |
| boolean isNonStringLiteral = rightOperandNode instanceof ILiteralNode && ((ILiteralNode) rightOperandNode).getLiteralType() != ILiteralNode.LiteralType.STRING; |
| write(".getProperty("); |
| if (isNonStringLiteral) write("'"); |
| String s = fjs.stringifyNode(rightOperandNode); |
| write(s); |
| if (isNonStringLiteral) write("'"); |
| write(")"); |
| if (ASNodeUtils.hasParenClose(node)) |
| write(ASEmitterTokens.PAREN_CLOSE); |
| return; |
| } |
| } |
| |
| startMapping(node, leftOperandNode); |
| write(ASEmitterTokens.SQUARE_OPEN); |
| endMapping(node); |
| boolean wrapVectorIndex = false; |
| if (getProject() instanceof RoyaleJSProject) { |
| if (node.getNodeID().equals(ASTNodeID.ArrayIndexExpressionID)){ |
| if (node.getParent() instanceof BinaryOperatorAssignmentNode) { |
| if (node.getLeftOperandNode().resolveType(getProject()) instanceof AppliedVectorDefinition) { |
| boolean suppressVectorIndexCheck = !(((RoyaleJSProject)getProject()).config.getJsVectorIndexChecks()); |
| |
| IDocEmitter docEmitter = getEmitter().getDocEmitter(); |
| if (docEmitter instanceof JSRoyaleDocEmitter) |
| { |
| JSRoyaleDocEmitter royaleDocEmitter = (JSRoyaleDocEmitter) docEmitter; |
| //check for local toggle |
| suppressVectorIndexCheck = royaleDocEmitter.getLocalSettingAsBoolean( |
| JSRoyaleEmitterTokens.SUPPRESS_VECTOR_INDEX_CHECK, suppressVectorIndexCheck); |
| |
| if (!suppressVectorIndexCheck) { |
| //check for individual specified suppression, based on variable name |
| if (leftOperandNode instanceof IdentifierNode) { |
| if (royaleDocEmitter.getLocalSettingIncludesString( |
| JSRoyaleEmitterTokens.SUPPRESS_VECTOR_INDEX_CHECK, |
| ((IdentifierNode) leftOperandNode).getName() |
| )){ |
| suppressVectorIndexCheck = true; |
| } |
| } |
| } |
| } |
| if (!suppressVectorIndexCheck) { |
| getModel().needLanguage = true; |
| ((RoyaleJSProject) getProject()).needLanguage = true; |
| getWalker().walk(leftOperandNode); |
| write(ASEmitterTokens.SQUARE_OPEN); |
| write(JSRoyaleEmitterTokens.VECTOR_INDEX_CHECK_METHOD_NAME); |
| write(ASEmitterTokens.SQUARE_CLOSE); |
| write(ASEmitterTokens.PAREN_OPEN); |
| wrapVectorIndex = true; |
| } |
| } |
| } |
| } |
| } |
| |
| getWalker().walk(rightOperandNode); |
| if (wrapVectorIndex) { |
| write(ASEmitterTokens.PAREN_CLOSE); |
| } |
| if (type != null && type.getQualifiedName().contentEquals(IASLanguageConstants.QName)) |
| write(".objectAccessFormat()"); |
| startMapping(node, rightOperandNode); |
| write(ASEmitterTokens.SQUARE_CLOSE); |
| endMapping(node); |
| |
| if (ASNodeUtils.hasParenClose(node)) |
| write(ASEmitterTokens.PAREN_CLOSE); |
| } |
| } |