如何让 vscode 不等待完成 preLaunchTask? [英] How to make vscode not wait for finishing a preLaunchTask?

问题描述

我在 Visual Studio 代码中有一个调试设置，我在其中运行一个可以执行我的 JS 文件的外部二进制文件(使用 duktape).调试适配器目前仅支持附加请求(不支持启动)，因此我必须先运行二进制文件，然后才能调试 JS 脚本.

I have a debug setup in Visual Studio code where I run an external binary which can execute my JS files (using duktape). The debug adapter currently only supports attach requests (not launch) so I have to run the binary before I can debug the JS scripts.

为了避免手动启动应用程序，我为它创建了一个任务并在我的 launch.json 文件中设置:

In order to avoid having to start the application manually I created a task for it and set that in my launch.json file:

{
    "version": "0.2.0",
    "configurations": [{
        "name": "Attach MGA",
        "type": "duk",
        "preLaunchTask": "debug mga",
        "request": "attach",

        "address": "localhost",
        "port": 9091,

        "localRoot": "${workspaceRoot}",

        "stopOnEntry": false,
        "debugLog": true
    }]
}

任务定义如下:

{
    "version": "0.1.0",
    "command": "<absolute path to>/mga",
    "isShellCommand": false,
    "showOutput": "always",
    "suppressTaskName": true,
    "tasks": [{
        "taskName": "debug mga",
        "args": ["--debugger", "main.json"]
    }]
}

现在的问题是 vscode 等待预启动任务完成，而应用程序等待调试器附加.抓住 22.

The problem is now that vscode waits for the pre launch task to finish, while the application waits for a debugger to attach. Catch 22.

如何避免 vscode 等待预启动任务完成?

How can I avoid that vscode waits for the pre launch task to finish?

更新:

与此同时，我阅读了 vscode 任务页面 并提出了这个任务配置.不过，它对我不起作用

Meanwhile I have read up on the vscode task page and came up with this task configuration. Still, it doesn't work for me

{
    "version": "2.0.0",
    "tasks": [
        {
            "label": "launch-mga",
            "type": "shell",
            "command": "<absolute path to>/mga",
            "args": [
                "config/main.json",
                "--debugger"
            ],
            "isBackground": true,
            "problemMatcher": {
                "owner": "custom",
                "pattern": {
                    "regexp": "_____"
                },
                "background": {
                    "activeOnStart": true,
                    "beginsPattern": "^.*Waiting for debug connection.*$",
                    "endsPattern": "^.*blah.*$"
                },
            },
        }
    ]
}

启动的应用程序打印等待消息，然后无休止地等待调试连接.也许问题与用 C++ 编写的应用程序(有点像 Node.js 的终端应用程序)有关?

The launched application prints the wait message and then waits endlessly for a debug connection. Maybe the problem has to do with the application (which is kinda Node.js like terminal app), written in C++?

推荐答案

这对我有用.

注意所有这些都是必需的，即使它们都不重要:

Note all these are required, even though none are important:

• problemMatcher.pattern.regexp
• problemMatcher.pattern.file
• problemMatcher.pattern.location
• problemMatcher.pattern.message
• problemMatcher.background.activeOnStart
• problemMatcher.background.beginsPattern
• problemMatcher.background.endsPattern

{
  // See https://go.microsoft.com/fwlink/?LinkId=733558
  // for the documentation about the tasks.json format
  "version": "2.0.0",
  "tasks": [
    {
      "label": "build-extras",
      "type": "shell",
      "isBackground": true,
      "command": "./script/build-extras",

      // This task is run before some debug tasks.
      // Problem is, it's a watch script, and since it never exits, VSCode
      // complains. All this is needed so VSCode just lets it run.
      "problemMatcher": [
        {
          "pattern": [
            {
              "regexp": ".",
              "file": 1,
              "location": 2,
              "message": 3
            }
          ],
          "background": {
            "activeOnStart": true,
            "beginsPattern": ".",
            "endsPattern": ".",
          }
        }
      ]
    }
  ]
}

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