[Question] How to develop a vscode plugin to Influence debugging behavior
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還沒有人認領這個 Issue。
評估
- 難度
- 5/5
- 預估耗時
- 一週以上
- 新手友好度
- 20/100
- Issue 類型
- 功能
- 描述清晰度
- 需要釐清
- 活躍度
- 停滯
- 技術堆疊
- java, typescript, vscode
研究方向
未指定任何 repository 檔案或測試。首先追蹤現有 VS Code Java debug adapter 中 breakpoint 和 step-over 的進入點，然後將其與此處描述的 JDWP breakpoint-event 行為進行比較；完成的標準是找出受支援的擴充點，或記錄這需要個別的 debugger 實作。
由索引模型根據 Issue 內容生成。
描述
I have developed a library JAsync to add async/await support to Java. The library converts the await function to a callback at the bytecode level. At least for now, at the level of writing code, with this library, users already have the same experience with async/await as they do with csharp and js. However, during debugging, when the user breaks to the line containing the await, the user expects the code to stop at the next line after executing the next step, but in reality, the code jumps to the inside of the one function that handles callbacks in the JAsync framework. Because the actual code has become a callback, the code on paper is not executed immediately. I want change this behavior. I have tried writing a jvmti agent. But I found breakpoint event is exclusive. Since jdwp has reuqested the breakpoint event right, my agent can't achieve it again. So I decide to develop a plugin of ide to fix it.
Here is my thought.
For example:
var a = someFunc().await(); // line 1
System.out.println(a); // line 2
will be converted to this in byte code:
someFunc().then(a -> { // line 1
System.out.println(a); // line 2
})
If user add a breakpoint to line 1, And the progrem has topped at line 1. In my plugin, I can get report of it, So my plugin will add a breakpoint to real line2 in the lambda method which JAsync generated. When the user press the step over button, my plugin execute continue instead of step over, when the progrem stop at line 2, my plugin will remove the breadpoint.
I came here to ask you guys How can I develop such a plugin that only changes part of the behavior of the current debugging plugin, instead of starting from scratch and writing a new one?
- 主要語言
- TypeScript
- 星號
- 591
- 分支
- 429
- 平均合併
- 1 天 1 小時
- 30 天內合併 PR
- 20
環境準備
從這裡開始
- 先讀完整個 Issue，再讀專案的貢獻指南。
- 在 Issue 下留言說明你要接手 —— 這能避免兩個人做同樣的事。
- Fork 儲存庫，在一個分支上完成修改。
- 送出 Pull Request，並在描述裡引用這個 Issue 編號。
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