Zig: debug with vscode

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related:

• Zig: setting up Zig + LSP(ZLS) with Vscode/Sublime Text 4/Clion #376 : 搭建 zig 开发环境.
• Zig: Intended To Replace C #361
• Zig: QuickStart #363
• Zig: FFI(C interop) #362
• Zig: Ecosystem - Awesome Libraries #374

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Zig + vscode 配置 debug 断点调试:

• 可能是全网首发的 zig + vscode debug 断点调试 的完整配置教程.

准备工作:

• 1. 安装 zig
• 2. vscode 插件:
  • zig
  • zls-vscode
  • CodeLLDB

关于如何配置 zig+zls+vscode, 请看此篇: #361

Debug 示例:

示例:

• https://github.com/better-zig/ziglings-solutions/blob/solutions/exercises/015_for.zig#L25

zig build.zig 构建脚本修改:

• https://github.com/better-zig/ziglings-solutions/blob/solutions/build.zig#L641
• 目的: 打印 zig 编译结果的完整路径

dev@dev:~/D/i/b/ziglings-solutions|solutions✓
➤ zig build 15

Compiling 015_for.zig...
Checking 015_for.zig...
Zig Build Result: /xxx/ziglings-solutions/zig-cache/o/a9333ffcfddf7b471e7e17163202b638/015_for
PASSED:

vscode 配置:

• 在 .vscode/ 添加: launch.json, 内容如下:
• 关键配置项: program, 是 zig build 编译结果完整路径. (需要先编译 zig 项目代码, 再手动指定)

{
    // 使用 IntelliSense 了解相关属性。 
    // 悬停以查看现有属性的描述。
    // 欲了解更多信息，请访问: https://go.microsoft.com/fwlink/?linkid=830387
    "version": "0.2.0",
    "configurations": [
        {
            "type": "lldb",
            "request": "launch",
            "name": "Debug ex002",
            // "program": "${workspaceFolder}/<executable file>",
            "program": "${workspaceFolder}/zig-cache/o/61ece68b736d12a98d44010040aab147/002_std",
            "args": [
                "exercises/002_std.zig"
            ],
            "cwd": "${workspaceFolder}"
        },
        {
            "type": "lldb",
            "request": "launch",
            "name": "Debug ex015",
            // "program": "${workspaceFolder}/<executable file>",
            "program": "${workspaceFolder}/zig-cache/o/a9333ffcfddf7b471e7e17163202b638/015_for",
            "args": [
                "exercises/015_for.zig"
            ],
            "cwd": "${workspaceFolder}"
        }
    ]
}

截图效果:

• 配置说明:

• 断点调试效果:

• 目前 debug 插件, 功能支持不完善, 不能捕获全局变量/常量. (修改此例)

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reference:

• https://zig.news/jarredsumner/setting-up-visual-studio-code-for-writing-zig-kcj
• https://dev.to/fabioarnold/setup-zig-for-gamedev-2bmf
• Debugging zig in VSCode ziglang/zig#7361
• Debugging zig in VSCode on windows ziglang/zig#7505

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