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package org.example;
import com.github.javaparser.JavaParser;
import com.github.javaparser.ast.CompilationUnit;
import com.github.javaparser.ast.body.BodyDeclaration;
import com.github.javaparser.ast.body.ClassOrInterfaceDeclaration;
import com.github.javaparser.ast.body.FieldDeclaration;
import com.github.javaparser.ast.type.Type;
import com.github.javaparser.ast.visitor.VoidVisitorAdapter;
import com.github.javaparser.ast.Modifier;
import com.github.javaparser.ast.type.*;
import java.io.*;
import java.util.*;
import com.github.javaparser.ParserConfiguration;
import com.github.javaparser.ast.body.MethodDeclaration;
import java.util.List;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.FileWriter;
import java.io.IOException;
import com.github.javaparser.ast.comments.LineComment;
import com.github.javaparser.ast.expr.NameExpr;
import com.github.javaparser.ast.stmt.BlockStmt;
import com.github.javaparser.ast.stmt.ExpressionStmt;
import com.github.javaparser.ast.stmt.SynchronizedStmt;
import com.github.javaparser.ast.comments.Comment;
public class Main {
static int synchronizednum=0;
static int Synchronizednum2=0;
public static List<MethodDeclaration> methodlist = new ArrayList<>();
static int is_innerclass_flag=0;
static int bingfanum=0;
static int classnum=0;
static int is_run_flag=0;
static boolean isSynchronized = false;
static int is_SynchronizedStmt_flag=0;
public static void main(String[] args) throws Exception {
try {
System.out.println("ast调用成功");
FileInputStream fileInputStream = new FileInputStream("Tmp.java");
ParserConfiguration parserConfiguration = new ParserConfiguration();
JavaParser javaParser = new JavaParser(parserConfiguration);
// 解析Java源文件并创建AST
CompilationUnit cu = javaParser.parse(fileInputStream).getResult().orElse(null);
// 修改AST，
delet visitored = new delet();
cu.accept(visitored,null);
ClassVisitor visitor = new ClassVisitor();
cu.accept(visitor, null);
change visitorred = new change();
cu.accept(visitorred,null);
int flag=0;
BufferedWriter writer1 = null;
writer1 = new BufferedWriter(new FileWriter("classnum.txt"));
writer1.write(Integer.toString(classnum));
writer1.close();
if(is_innerclass_flag==1) flag+=1;
if(is_run_flag==1) flag+=2;
if(is_SynchronizedStmt_flag==1) flag+=4;
BufferedWriter writer = new BufferedWriter(new FileWriter("tmp.txt"));
writer.write(cu.toString());
writer.close();
BufferedWriter writer2 = new BufferedWriter(new FileWriter("flag.txt"));
writer2.write(Integer.toString(flag));
writer2.close();
}catch (FileNotFoundException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
}
}
// 访问者类，用于遍历AST并修改内部类为public类名 = class
private static class delet extends VoidVisitorAdapter<Void> {
public void visit(CompilationUnit cu, Void arg) {
super.visit(cu, arg);
// 删除所有注释
cu.getAllContainedComments().forEach(Comment::remove);
}
}
private static class ClassVisitor extends VoidVisitorAdapter<Void> {//这一部分均为访问节点
private HashMap<ClassOrInterfaceDeclaration,MethodDeclaration> newMethods = new HashMap<>();
@Override
public void visit(ClassOrInterfaceDeclaration classDeclaration, Void arg) {
super.visit(classDeclaration, arg);
isSynchronized = false;
classDeclaration.getMethods().forEach(method -> {
// 检查方法是否同步
if (method.isSynchronized()) {
isSynchronized = true;
}
// 检查方法体中的同步块
method.accept(new MethodVisitor(), null);
});
boolean hasMemberVariable = !classDeclaration.getFields().isEmpty();
BufferedWriter writer = null;
try {
writer = new BufferedWriter(new FileWriter("class_flag"+classnum+".txt"));
int tmp = 0;
if(hasMemberVariable) {
tmp += 1;
}
if(isSynchronized) {
tmp += 2;
}
writer.write(Integer.toString(tmp));
writer.close();
writer = new BufferedWriter(new FileWriter("class"+classnum+".txt"));
writer.write(classDeclaration.toString());
writer.close();
} catch (IOException e) {
throw new RuntimeException(e);
}
classnum++;
if (classDeclaration.getExtendedTypes().stream()
.anyMatch(type -> type.getNameAsString().equals("Thread"))) {
// 在类定义中添加标签
classDeclaration.setComment(new LineComment("threadAble_class"));
is_run_flag=1;
}
// 判断是否为内部类
if (classDeclaration.isInnerClass()) {
// // 修改为public类名 = class
// Comment classComment = new LineComment("inner_class");
// classDeclaration.setComment(classComment);
is_innerclass_flag=1;
}
//是否实现runable
if (classDeclaration.getImplementedTypes().stream()
.anyMatch(type -> type.getNameAsString().equals("Runnable"))) {
// 遍历类中的方法
for (MethodDeclaration method : classDeclaration.getMethods()) {
// 检查方法是否为 run 方法
if (method.getNameAsString().equals("run") &&
method.getType().toString().equals("void") &&
method.getParameters().isEmpty()) {
}
}
is_run_flag=1;
classDeclaration.setComment(new LineComment("threadAble_class"));
}
}
@Override
public void visit(MethodDeclaration method, Void arg) {
super.visit(method, arg);
if (method.isSynchronized()) {
//method.setComment(new LineComment("Synchronized_method"));
is_SynchronizedStmt_flag=1;
}
}
public void visit(SynchronizedStmt synchronizedStmt, Void arg) {
super.visit(synchronizedStmt, arg);
// 在 synchronized 块前添加注释
//synchronizedStmt.setComment(new LineComment("Synchronized block"));
is_SynchronizedStmt_flag=1;
synchronizednum++;
BlockStmt synchronizedBlock = synchronizedStmt.getBody();
ClassOrInterfaceDeclaration containingClass = synchronizedStmt.findAncestor(ClassOrInterfaceDeclaration.class).orElse(null);
Map<String, Type> externalVariables = new HashMap<>();
synchronizedBlock.getStatements().forEach(statement -> {
// 如果语句是一个表达式语句
if (statement.isExpressionStmt()) {
ExpressionStmt exprStmt = statement.asExpressionStmt();
// 如果表达式是一个名称表达式（即变量）
if (exprStmt.getExpression().isNameExpr()) {
NameExpr nameExpr = exprStmt.getExpression().asNameExpr();
// 获取变量名和类型
String variableName = nameExpr.getNameAsString();
Type variableType = (Type) nameExpr.calculateResolvedType();
// 记录外部变量及其类型
externalVariables.put(variableName, variableType);
}
}
});
MethodDeclaration newMethod = createNewMethod(synchronizedStmt);
newMethods.put(containingClass,newMethod);
methodlist.add(newMethod);
}
private static MethodDeclaration createNewMethod(SynchronizedStmt synchronizedStmt) {
// 创建一个新的方法
MethodDeclaration method = new MethodDeclaration();
// 设置方法的修饰符和名称
method.setModifiers(Modifier.publicModifier().getKeyword()); // 可以根据需要修改访问修饰符
method.setName("sychronize_method"+synchronizednum);
method.setType(new VoidType());
method.setBody(synchronizedStmt.getBody());
return method;
}
}
private static class MethodVisitor extends VoidVisitorAdapter<Void> {
@Override
public void visit(SynchronizedStmt synchronizedStmt, Void arg) {
super.visit(synchronizedStmt, arg);
isSynchronized = true;
}
}
private static class change extends VoidVisitorAdapter<Void> {
public void visit(SynchronizedStmt synchronizedStmt, Void arg) {
super.visit(synchronizedStmt, arg);
BlockStmt newBody = new BlockStmt();
// 在新的 BlockStmt 中添加你需要的语句
newBody.addStatement(new ExpressionStmt(new NameExpr(methodlist.get(Synchronizednum2).getName()+"();")));
synchronizedStmt.setBody(newBody);
Synchronizednum2++;
}
}
}