vscode配置单个cpp文件打断点的文件

{
    // Use IntelliSense to learn about possible attributes.
    // Hover to view descriptions of existing attributes.
    // For more information, visit: https://go.microsoft.com/fwlink/?linkid=830387
    "version": "0.2.0",
    "configurations": [
        {
            "name": "(gdb) 启动",
            "type": "cppdbg",
            "request": "launch",
            "program": "${workspaceFolder}/a.out",//gdb目标的路径
            "args": [],
            "stopAtEntry": false,
            "cwd": "${workspaceFolder}",//当前工作目录
            "environment": [],
            "externalConsole": false,
            "MIMode": "gdb",
            "setupCommands": [
                {
                    "description": "为 gdb 启用整齐打印",
                    "text": "-enable-pretty-printing",
                    "ignoreFailures": true
                }
            ],
            "preLaunchTask": "g++"//前置任务 对应tasks.json的label
        }
    ]
}

{
    // 有关 tasks.json 格式的文档，请参见
        // https://go.microsoft.com/fwlink/?LinkId=733558
        "version": "2.0.0",
        "tasks": [
            {
                "type": "shell",
                "label": "g++",//对应launch的preLaunchTask
                "command": "/usr/bin/g++",//执行的命令
                "args": [
                    "-g",
                    "${file}",
                    "-o",
                    "a.out"//生成的可执行文件名称 对应launch.json的program
                ],
                "options": {
                    "cwd": "${workspaceFolder}"
                },
                "problemMatcher": [
                    "$gcc"
                ],
                "group": {
                    "kind": "build",
                    "isDefault": true
                }
            }
        ]
    }