使用ASTMatcher获取至少具有两个相同访问说明符的类

#include "clang/ASTMatchers/ASTMatchers.h"
#include "clang/ASTMatchers/ASTMatchFinder.h"
#include "clang/Tooling/Tooling.h"

class MatchHandler : public clang::ast_matchers::MatchFinder::MatchCallback {
public:
  virtual void run(const clang::ast_matchers::MatchFinder::MatchResult &Result) {
    // 处理匹配到的结果
    const clang::CXXRecordDecl *Class1 = Result.Nodes.getNodeAs<clang::CXXRecordDecl>("class1");
    const clang::CXXRecordDecl *Class2 = Result.Nodes.getNodeAs<clang::CXXRecordDecl>("class2");
    
    // 获取类的信息并进行处理
    if (Class1 && Class2) {
      // 获取类名
      std::string ClassName1 = Class1->getNameAsString();
      std::string ClassName2 = Class2->getNameAsString();
      
      // 获取访问说明符
      std::string AccessSpecifier1 = getAccessSpecifier(Class1);
      std::string AccessSpecifier2 = getAccessSpecifier(Class2);
      
      // 处理结果
      // ...
    }
  }
  
private:
  std::string getAccessSpecifier(const clang::CXXRecordDecl *Class) {
    if (Class->getAccess() == clang::AS_public)
      return "public";
    else if (Class->getAccess() == clang::AS_protected)
      return "protected";
    else if (Class->getAccess() == clang::AS_private)
      return "private";
    else
      return "unknown";
  }
};

int main(int argc, const char **argv) {
  // 创建 Clang 工具
  clang::tooling::CommonOptionsParser OptionsParser(argc, argv);
  clang::tooling::ClangTool Tool(OptionsParser.getCompilations(), OptionsParser.getSourcePathList());
  
  // 创建 ASTMatcher
  clang::ast_matchers::MatchFinder Finder;
  
  // 创建匹配规则
  clang::ast_matchers::DeclarationMatcher Matcher = clang::ast_matchers::cxxRecordDecl(
    clang::ast_matchers::has(
      clang::ast_matchers::forEach(
        clang::ast_matchers::fieldDecl(
          clang::ast_matchers::hasAccessSpecifier(
            clang::ast_matchers::anything()
          )
        )
      )
    ),
    clang::ast_matchers::has(
      clang::ast_matchers::forEach(
        clang::ast_matchers::fieldDecl(
          clang::ast_matchers::hasAccessSpecifier(
            clang::ast_matchers::anything()
          )
        )
      )
    )
  ).bind("class1");

  // 注册匹配规则和回调函数
  MatchHandler Handler;
  Finder.addMatcher(Matcher, &Handler);
  
  // 运行匹配
  Tool.run(clang::tooling::newFrontendActionFactory(&Finder).get());
  
  return 0;
}