在Java中，您可以使用Java调试信息库（如javaparser、asm等）来解析二进制文件并提取函数信息。以下是一个示例代码，演示了如何从带有调试信息的二进制文件中提取函数名和变量名，并生成三元组（函数名，hasVariable，变量名）的JSON文件：

import org.objectweb.asm.*;
import org.objectweb.asm.tree.*;

import java.io.FileWriter;
import java.io.IOException;
import java.util.ArrayList;
import java.util.List;

public class DebugInfoExtractor {
    public static void main(String[] args) throws IOException {
        String binaryFilePath = "path_to_binary_file";
        
        // 创建类访问器以读取二进制文件
        ClassReader reader = new ClassReader(binaryFilePath);
        ClassNode classNode = new ClassNode();
        reader.accept(classNode, 0);
        
        List<FunctionInfo> functionList = new ArrayList<>();
        
        // 遍历类的所有方法
        for (MethodNode method : classNode.methods) {
            String methodName = method.name;
            
            // 获取局部变量表
            LocalVariableTable localVariableTable = method.localVariables;
            
            boolean hasVariables = localVariableTable != null && !localVariableTable.isEmpty();
            
            List<String> variableList = new ArrayList<>();
            
            if (hasVariables) {
                // 提取局部变量名
                for (LocalVariableNode localVar : localVariableTable.localVariables) {
                    variableList.add(localVar.name);
                }
            }
            
            FunctionInfo functionInfo = new FunctionInfo(methodName, hasVariables, variableList);
            functionList.add(functionInfo);
        }
        
        // 将函数列表转换为JSON格式并保存到文件
        String json = toJSON(functionList);
        try (FileWriter fileWriter = new FileWriter("output.json")) {
            fileWriter.write(json);
        }
    }
    
    private static String toJSON(List<FunctionInfo> functionList) {
        StringBuilder sb = new StringBuilder();
        
        sb.append("[");
        
        for (int i = 0; i < functionList.size(); i++) {
            FunctionInfo functionInfo = functionList.get(i);
            
            sb.append("{");
            sb.append("\"function_name\": \"").append(functionInfo.getFunctionName()).append("\",");
            sb.append("\"hasVariable\": ").append(functionInfo.hasVariables() ? "true" : "false").append(",");
            
            List<String> variableList = functionInfo.getVariableList();
            if (!variableList.isEmpty()) {
                sb.append("\"variables\": [");
                
                for (int j = 0; j < variableList.size(); j++) {
                    String variableName = variableList.get(j);
                    
                    sb.append("\"").append(variableName).append("\"");
                    
                    if (j != variableList.size() - 1) {
                        sb.append(",");
                    }
                }
                
                sb.append("]");
            }
            
            sb.append("}");
            
            if (i != functionList.size() - 1) {
                sb.append(",");
            }
        }
        
        sb.append("]");
        
        return sb.toString();
    }
    
    static class FunctionInfo {
        private final String functionName;
        private final boolean hasVariables;
        private final List<String> variableList;
        
        public FunctionInfo(String functionName, boolean hasVariables, List<String> variableList) {
            this.functionName = functionName;
            this.hasVariables = hasVariables;
            this.variableList = variableList;
        }

        public String getFunctionName() {
          return functionName;
      }

      public boolean hasVariables() {
          return hasVariables;
      }

      public List<String> getVariableList() {
          return variableList;
      }
  }
}

在运行代码之前，请确保您已将需要的库（例如ASM）添加到Java项目中。同时，根据实际情况设置二进制文件路径和输出文件名。

请注意，此示例仅供参考，具体实现可能需要根据您的需求进行调整。希望这对您有所帮助！如有任何问题，请随时提问。


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