The visitor pattern 例子-优快云博客

本文详细介绍了Javassist作为一个Java字节码转换工具包的使用方法，包括其版权许可和软件分发原则。文章涵盖了从基本的访问模式到特定节点的遍历方法，为开发者提供了一套全面的API使用指南。

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/*
 * Javassist, a Java-bytecode translator toolkit.
 * Copyright (C) 1999-2007 Shigeru Chiba. All Rights Reserved.
 *
 * The contents of this file are subject to the Mozilla Public License Version
 * 1.1 (the "License"); you may not use this file except in compliance with
 * the License.  Alternatively, the contents of this file may be used under
 * the terms of the GNU Lesser General Public License Version 2.1 or later.
 *
 * Software distributed under the License is distributed on an "AS IS" basis,
 * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
 * for the specific language governing rights and limitations under the
 * License.
 */

package javassist.compiler.ast;

import javassist.compiler.CompileError;

/**
 * The visitor pattern.
 *
 * @see ast.ASTree#accept(Visitor)
 *
 *
 */
public class Visitor {
    public void atASTList(ASTList n) throws CompileError {}
    public void atPair(Pair n) throws CompileError {}

    public void atFieldDecl(FieldDecl n) throws CompileError {}
    public void atMethodDecl(MethodDecl n) throws CompileError {}
    public void atStmnt(Stmnt n) throws CompileError {}
    public void atDeclarator(Declarator n) throws CompileError {}

    public void atAssignExpr(AssignExpr n) throws CompileError {}
    public void atCondExpr(CondExpr n) throws CompileError {}
    public void atBinExpr(BinExpr n) throws CompileError {}
    public void atExpr(Expr n) throws CompileError {}
    public void atCallExpr(CallExpr n) throws CompileError {}
    public void atCastExpr(CastExpr n) throws CompileError {}
    public void atInstanceOfExpr(InstanceOfExpr n) throws CompileError {}
    public void atNewExpr(NewExpr n) throws CompileError {}

    public void atSymbol(Symbol n) throws CompileError {}
    public void atMember(Member n) throws CompileError {}
    public void atVariable(Variable n) throws CompileError {}
    public void atKeyword(Keyword n) throws CompileError {}
    public void atStringL(StringL n) throws CompileError {}
    public void atIntConst(IntConst n) throws CompileError {}
    public void atDoubleConst(DoubleConst n) throws CompileError {}
    public void atArrayInit(ArrayInit n) throws CompileError {}
}