| // Copyright (c) 2012, the Dart project authors. Please see the AUTHORS file |
| // for details. All rights reserved. Use of this source code is governed by a |
| // BSD-style license that can be found in the LICENSE file. |
| |
| package com.google.dart.compiler.ast; |
| |
| import com.google.dart.compiler.resolver.Element; |
| |
| /** |
| * Represents a Dart property access expression (a.b). |
| */ |
| public class DartPropertyAccess extends DartExpression { |
| |
| private DartNode qualifier; |
| private boolean isCascade; |
| private DartIdentifier name; |
| |
| public DartPropertyAccess(DartNode qualifier, DartIdentifier name) { |
| this(qualifier, false, name); |
| } |
| |
| public DartPropertyAccess(DartNode qualifier, boolean isCascade, DartIdentifier name) { |
| this.qualifier = becomeParentOf(qualifier); |
| this.isCascade = isCascade; |
| this.name = becomeParentOf(name); |
| } |
| |
| @Override |
| public boolean isAssignable() { |
| return true; |
| } |
| |
| public boolean isCascade() { |
| return isCascade; |
| } |
| |
| public String getPropertyName() { |
| return name.getName(); |
| } |
| |
| public DartIdentifier getName() { |
| return name; |
| } |
| |
| public DartNode getQualifier() { |
| return qualifier; |
| } |
| |
| public DartNode getRealTarget() { |
| if (isCascade) { |
| DartNode ancestor = getParent(); |
| while (!(ancestor instanceof DartCascadeExpression)) { |
| if (ancestor == null) { |
| return qualifier; |
| } |
| ancestor = ancestor.getParent(); |
| } |
| return ((DartCascadeExpression) ancestor).getTarget(); |
| } |
| return qualifier; |
| } |
| |
| public void setName(DartIdentifier newName) { |
| name = becomeParentOf(newName); |
| } |
| |
| @Override |
| public void setElement(Element element) { |
| name.setElement(element); |
| } |
| |
| @Override |
| public Element getElement() { |
| return name.getElement(); |
| } |
| |
| @Override |
| public void visitChildren(ASTVisitor<?> visitor) { |
| safelyVisitChild(qualifier, visitor); |
| safelyVisitChild(name, visitor); |
| } |
| |
| @Override |
| public <R> R accept(ASTVisitor<R> visitor) { |
| return visitor.visitPropertyAccess(this); |
| } |
| } |