| /* |
| * @(#)DeclarationScanner.java 1.5 04/04/20 |
| * |
| * Copyright (c) 2004, Sun Microsystems, Inc. |
| * All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions are met: |
| * |
| * * Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * * Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in the |
| * documentation and/or other materials provided with the distribution. |
| * * Neither the name of the Sun Microsystems, Inc. nor the names of |
| * its contributors may be used to endorse or promote products derived from |
| * this software without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS |
| * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED |
| * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A |
| * PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER |
| * OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, |
| * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, |
| * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR |
| * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF |
| * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING |
| * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS |
| * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| |
| package com.sun.mirror.util; |
| |
| import com.sun.mirror.declaration.*; |
| |
| /** |
| * A visitor for declarations that scans declarations contained within |
| * the given declaration. For example, when visiting a class, the |
| * methods, fields, constructors, and nested types of the class are |
| * also visited. |
| * |
| * <p> To control the processing done on a declaration, users of this |
| * class pass in their own visitors for pre and post processing. The |
| * preprocessing visitor is called before the contained declarations |
| * are scanned; the postprocessing visitor is called after the |
| * contained declarations are scanned. |
| * |
| * @author Joseph D. Darcy |
| * @author Scott Seligman |
| * @version 1.5 04/04/20 |
| * @since 1.5 |
| */ |
| |
| class DeclarationScanner implements DeclarationVisitor { |
| protected DeclarationVisitor pre; |
| protected DeclarationVisitor post; |
| |
| DeclarationScanner(DeclarationVisitor pre, DeclarationVisitor post) { |
| this.pre = pre; |
| this.post = post; |
| } |
| |
| /** |
| * Visits a declaration. |
| * |
| * @param d the declaration to visit |
| */ |
| public void visitDeclaration(Declaration d) { |
| d.accept(pre); |
| d.accept(post); |
| } |
| |
| /** |
| * Visits a package declaration. |
| * |
| * @param d the declaration to visit |
| */ |
| public void visitPackageDeclaration(PackageDeclaration d) { |
| d.accept(pre); |
| |
| for(ClassDeclaration classDecl: d.getClasses()) { |
| classDecl.accept(this); |
| } |
| |
| for(InterfaceDeclaration interfaceDecl: d.getInterfaces()) { |
| interfaceDecl.accept(this); |
| } |
| |
| d.accept(post); |
| } |
| |
| /** |
| * Visits a member or constructor declaration. |
| * |
| * @param d the declaration to visit |
| */ |
| public void visitMemberDeclaration(MemberDeclaration d) { |
| visitDeclaration(d); |
| } |
| |
| /** |
| * Visits a type declaration. |
| * |
| * @param d the declaration to visit |
| */ |
| public void visitTypeDeclaration(TypeDeclaration d) { |
| d.accept(pre); |
| |
| for(TypeParameterDeclaration tpDecl: d.getFormalTypeParameters()) { |
| tpDecl.accept(this); |
| } |
| |
| for(FieldDeclaration fieldDecl: d.getFields()) { |
| fieldDecl.accept(this); |
| } |
| |
| for(MethodDeclaration methodDecl: d.getMethods()) { |
| methodDecl.accept(this); |
| } |
| |
| for(TypeDeclaration typeDecl: d.getNestedTypes()) { |
| typeDecl.accept(this); |
| } |
| |
| d.accept(post); |
| } |
| |
| /** |
| * Visits a class declaration. |
| * |
| * @param d the declaration to visit |
| */ |
| public void visitClassDeclaration(ClassDeclaration d) { |
| d.accept(pre); |
| |
| for(TypeParameterDeclaration tpDecl: d.getFormalTypeParameters()) { |
| tpDecl.accept(this); |
| } |
| |
| for(FieldDeclaration fieldDecl: d.getFields()) { |
| fieldDecl.accept(this); |
| } |
| |
| for(MethodDeclaration methodDecl: d.getMethods()) { |
| methodDecl.accept(this); |
| } |
| |
| for(TypeDeclaration typeDecl: d.getNestedTypes()) { |
| typeDecl.accept(this); |
| } |
| |
| for(ConstructorDeclaration ctorDecl: d.getConstructors()) { |
| ctorDecl.accept(this); |
| } |
| |
| d.accept(post); |
| } |
| |
| /** |
| * Visits an enum declaration. |
| * |
| * @param d the declaration to visit |
| */ |
| public void visitEnumDeclaration(EnumDeclaration d) { |
| visitClassDeclaration(d); |
| } |
| |
| /** |
| * Visits an interface declaration. |
| * |
| * @param d the declaration to visit |
| */ |
| public void visitInterfaceDeclaration(InterfaceDeclaration d) { |
| visitTypeDeclaration(d); |
| } |
| |
| /** |
| * Visits an annotation type declaration. |
| * |
| * @param d the declaration to visit |
| */ |
| public void visitAnnotationTypeDeclaration(AnnotationTypeDeclaration d) { |
| visitInterfaceDeclaration(d); |
| } |
| |
| /** |
| * Visits a field declaration. |
| * |
| * @param d the declaration to visit |
| */ |
| public void visitFieldDeclaration(FieldDeclaration d) { |
| visitMemberDeclaration(d); |
| } |
| |
| /** |
| * Visits an enum constant declaration. |
| * |
| * @param d the declaration to visit |
| */ |
| public void visitEnumConstantDeclaration(EnumConstantDeclaration d) { |
| visitFieldDeclaration(d); |
| } |
| |
| /** |
| * Visits a method or constructor declaration. |
| * |
| * @param d the declaration to visit |
| */ |
| public void visitExecutableDeclaration(ExecutableDeclaration d) { |
| d.accept(pre); |
| |
| for(TypeParameterDeclaration tpDecl: d.getFormalTypeParameters()) { |
| tpDecl.accept(this); |
| } |
| |
| for(ParameterDeclaration pDecl: d.getParameters()) { |
| pDecl.accept(this); |
| } |
| |
| d.accept(post); |
| } |
| |
| /** |
| * Visits a constructor declaration. |
| * |
| * @param d the declaration to visit |
| */ |
| public void visitConstructorDeclaration(ConstructorDeclaration d) { |
| visitExecutableDeclaration(d); |
| } |
| |
| /** |
| * Visits a method declaration. |
| * |
| * @param d the declaration to visit |
| */ |
| public void visitMethodDeclaration(MethodDeclaration d) { |
| visitExecutableDeclaration(d); |
| } |
| |
| /** |
| * Visits an annotation type element declaration. |
| * |
| * @param d the declaration to visit |
| */ |
| public void visitAnnotationTypeElementDeclaration( |
| AnnotationTypeElementDeclaration d) { |
| visitMethodDeclaration(d); |
| } |
| |
| /** |
| * Visits a parameter declaration. |
| * |
| * @param d the declaration to visit |
| */ |
| public void visitParameterDeclaration(ParameterDeclaration d) { |
| visitDeclaration(d); |
| } |
| |
| /** |
| * Visits a type parameter declaration. |
| * |
| * @param d the declaration to visit |
| */ |
| public void visitTypeParameterDeclaration(TypeParameterDeclaration d) { |
| visitDeclaration(d); |
| } |
| } |