"Debug C/C++ File" button disappeared

[xiaolitongxue5]

Environment

• OS and Version: Windows11 23H2
• VS Code Version: 1.98.2
• C/C++ Extension Version: 1.24.3
• If using SSH remote, specify OS of remote machine:

Bug Summary and Steps to Reproduce

Bug Summary:
"Debug C/C++ File" button disappears when the source files are in a git repository. It seems that the plugin can’t read the files in "./.vscode" after I create a git repository.
当源文件在git仓库时，”调试C/C++文件“按钮消失。删除git仓库后恢复正常。创建git仓库后似乎插件无法正常读取"./.vsode"文件夹下的文件。

Steps to reproduce:

1. Go to 'git '
2. Click on 'Initialize Repository '
3. Click on any cpp file
4. Click on the flex icon close to the debug icon in the upper right corner
5. See error

Expected behavior: see 'Debug C/C++ Files' button

1. 转到“源代码管理”
2. 单击“初始化存储库”
3. 点击任意一个cpp文件
4. 点击右上角的调试按钮旁的展开按钮
5. 见错误

预期行为：看见“调试C/C++文件”按钮

Configuration and Logs

#c_cpp_properties.json

{
    "configurations": [
        {
            "name": "windows-gcc-x64",
            "includePath": [
                "${workspaceFolder}/**",
                "D:/env/c_external_lib/JSON_for_Modern_C++/include"
            ],
            "compilerPath": "D:/env/mingw64/bin/g++.exe",
            "cStandard": "${default}",
            "cppStandard": "${default}",
            "intelliSenseMode": "windows-gcc-x64",
            "compilerArgs": [
                ""
            ]
        }
    ],
    "version": 4
}


#C/C++: Log Diagnostics

-------- Diagnostics - 2025/3/22 01:41:52
Version: 1.24.3
Current Configuration:
{
    "name": "windows-gcc-x64",
    "includePath": [
        "d:/learn/AI/NLP/ex/4pp/**",
        "D:/env/c_external_lib/JSON_for_Modern_C++/include"
    ],
    "compilerPath": "D:/env/mingw64/bin/g++.exe",
    "intelliSenseMode": "windows-gcc-x64",
    "compilerArgs": [
        ""
    ],
    "compilerPathIsExplicit": true,
    "cStandardIsExplicit": true,
    "cppStandardIsExplicit": true,
    "intelliSenseModeIsExplicit": true,
    "compilerPathInCppPropertiesJson": "D:/env/mingw64/bin/g++.exe",
    "mergeConfigurations": false,
    "browse": {
        "limitSymbolsToIncludedHeaders": true
    }
}
Modified Settings:
{
    "C_Cpp.loggingLevel": "Debug"
}
Additional Tracked Settings:
{
    "editorTabSize": 4,
    "editorInsertSpaces": true,
    "editorAutoClosingBrackets": "languageDefined",
    "filesEncoding": "utf8",
    "filesAssociations": {},
    "filesExclude": {
        "**/.git": true,
        "**/.svn": true,
        "**/.hg": true,
        "**/.DS_Store": true,
        "**/Thumbs.db": true
    },
    "filesAutoSaveAfterDelay": false,
    "editorInlayHintsEnabled": true,
    "editorParameterHintsEnabled": true,
    "searchExclude": {
        "**/node_modules": true,
        "**/bower_components": true,
        "**/*.code-search": true
    },
    "workbenchSettingsEditor": "ui"
}
cpptools version (native): 1.24.3.0
Current database path: C:\USERS\25319\APPDATA\LOCAL\MICROSOFT\VSCODE-CPPTOOLS\F05141DB04281FB02B84035239A300BD\.BROWSE.VC.DB
Translation Unit Mappings:
[ D:\learn\AI\NLP\ex\4pp\main.cpp - source TU]:
Translation Unit Configurations:
[ D:\learn\AI\NLP\ex\4pp\main.cpp ]
    Process ID: 24736
    Memory Usage: 279 MB
    Compiler Path: D:\env\mingw64\bin\g++.exe
    Include paths:
        include: D:\env\c_external_lib\JSON_for_Modern_C++\include
        system include: D:\env\mingw64\lib\gcc\x86_64-w64-mingw32\14.2.0\include\c++
        system include: D:\env\mingw64\lib\gcc\x86_64-w64-mingw32\14.2.0\include\c++\x86_64-w64-mingw32
        system include: D:\env\mingw64\lib\gcc\x86_64-w64-mingw32\14.2.0\include\c++\backward
        system include: D:\env\mingw64\lib\gcc\x86_64-w64-mingw32\14.2.0\include
        system include: D:\env\mingw64\lib\gcc\x86_64-w64-mingw32\14.2.0\include-fixed
        system include: D:\env\mingw64\x86_64-w64-mingw32\include
    Standard Version: c++17
    IntelliSense Mode: windows-gcc-x64
    Other Flags:
        --g++
        --gnu_version=140200
Total Memory Usage: 279 MB

------- Workspace parsing diagnostics -------
Number of files discovered (not excluded): 2715
Number of files parsed: 763


#the language server logging

loggingLevel: 6
loggingLevel 已更改为: Debug
正在关闭 IntelliSense 服务器: D:\learn\AI\NLP\ex\4pp\main.cpp
LSP: (invoked) cpptools/didChangeCppProperties (id: 14)
  文件夹 D:\ENV\C_EXTERNAL_LIB\JSON_FOR_MODERN_C++\INCLUDE 将编入索引
  文件夹 D:\ENV\MINGW64\LIB\GCC\X86_64-W64-MINGW32\14.2.0\INCLUDE 将编入索引
  文件夹 D:\ENV\MINGW64\LIB\GCC\X86_64-W64-MINGW32\14.2.0\INCLUDE-FIXED 将编入索引
  文件夹 D:\ENV\MINGW64\X86_64-W64-MINGW32\INCLUDE 将编入索引
  文件夹 D:\LEARN\AI\NLP\EX\4PP 将编入索引
LSP: Sending response (id: 14)
LSP: (received) cpptools/didChangeVisibleTextEditors
LSP: (invoked) cpptools/didChangeVisibleTextEditors
LSP: (received) cpptools/didChangeVisibleTextEditors
LSP: (invoked) cpptools/didChangeVisibleTextEditors
LSP: (received) cpptools/didChangeVisibleTextEditors
LSP: (invoked) cpptools/didChangeVisibleTextEditors
LSP: (received) cpptools/didChangeVisibleTextEditors
LSP: (invoked) cpptools/didChangeVisibleTextEditors
LSP: (received) cpptools/didChangeVisibleTextEditors
LSP: (invoked) cpptools/didChangeVisibleTextEditors
LSP: (received) cpptools/didChangeVisibleTextEditors
LSP: (invoked) cpptools/didChangeVisibleTextEditors
LSP: (received) cpptools/didChangeVisibleTextEditors
LSP: (invoked) cpptools/didChangeVisibleTextEditors
LSP: (received) cpptools/didChangeVisibleTextEditors
LSP: (invoked) cpptools/didChangeVisibleTextEditors
LSP: (received) cpptools/didChangeVisibleTextEditors
LSP: (invoked) cpptools/didChangeVisibleTextEditors
Intellisense update pending for: file:///d%3A/learn/AI/NLP/ex/4pp/main.cpp
LSP: (received) cpptools/didChangeActiveEditor: file:///d%3A/learn/AI/NLP/ex/4pp/main.cpp
LSP: (invoked) cpptools/didChangeActiveEditor: file:///d%3A/learn/AI/NLP/ex/4pp/main.cpp
LSP: (received) cpptools/didChangeTextEditorSelection
LSP: (invoked) cpptools/didChangeTextEditorSelection
IntelliSense update scheduled and TU acquisition started for: file:///d%3A/learn/AI/NLP/ex/4pp/main.cpp
Populating file name cache...
Done populating filename cache. Elapsed time: 23 ms
Expanding recursive includes for: D:\LEARN\AI\NLP\EX\4PP\MAIN.CPP
Done expanding recursive includes for: D:\LEARN\AI\NLP\EX\4PP\MAIN.CPP
Reducing recursive includes for: D:\LEARN\AI\NLP\EX\4PP\MAIN.CPP
LSP: (received) cpptools/getCodeActions: file:///d%3A/learn/AI/NLP/ex/4pp/main.cpp (id: 15)
LSP: (invoked) cpptools/getCodeActions: file:///d%3A/learn/AI/NLP/ex/4pp/main.cpp (id: 15)
LSP: Sending response (id: 15)
LSP: (received) cpptools/getFoldingRanges: file:///d%3A/learn/AI/NLP/ex/4pp/main.cpp (id: 16)
LSP: (invoked) cpptools/getFoldingRanges: file:///d%3A/learn/AI/NLP/ex/4pp/main.cpp (id: 16)
LSP: Sending response (id: 16)
Done reducing recursive includes for: D:\LEARN\AI\NLP\EX\4PP\MAIN.CPP
正在为 D:\learn\AI\NLP\ex\4pp\main.cpp 发送编译参数
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  system include: D:\ENV\MINGW64\LIB\GCC\X86_64-W64-MINGW32\14.2.0\INCLUDE\C++\BACKWARD
  system include: D:\ENV\MINGW64\LIB\GCC\X86_64-W64-MINGW32\14.2.0\INCLUDE
  system include: D:\ENV\MINGW64\LIB\GCC\X86_64-W64-MINGW32\14.2.0\INCLUDE-FIXED
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  define: __declspec(x)=__attribute__((x))
  其他: --g++
  其他: --gnu_version=140200
  stdver: c++17
  intelliSenseMode: windows-gcc-x64
LSP: (received) cpptools/getFoldingRanges: file:///d%3A/learn/AI/NLP/ex/4pp/main.cpp (id: 17)
LSP: (invoked) cpptools/getFoldingRanges: file:///d%3A/learn/AI/NLP/ex/4pp/main.cpp (id: 17)
LSP: Sending response (id: 17)
更新 IntelliSense 时间(秒): 1.795
LSP: (received) cpptools/getFoldingRanges: file:///d%3A/learn/AI/NLP/ex/4pp/main.cpp (id: 18)
LSP: (invoked) cpptools/getFoldingRanges: file:///d%3A/learn/AI/NLP/ex/4pp/main.cpp (id: 18)
LSP: Sending response (id: 18)
LSP: (received) cpptools/getFoldingRanges: file:///d%3A/learn/AI/NLP/ex/4pp/main.cpp (id: 19)
LSP: (invoked) cpptools/getFoldingRanges: file:///d%3A/learn/AI/NLP/ex/4pp/main.cpp (id: 19)
LSP: Sending response (id: 19)
LSP: (received) cpptools/getDiagnostics (id: 20)
LSP: (invoked) cpptools/getDiagnostics (id: 20)
LSP: Sending response (id: 20)
LSP: (received) cpptools/didChangeVisibleTextEditors
LSP: (invoked) cpptools/didChangeVisibleTextEditors
LSP: (received) cpptools/didChangeActiveEditor: file:///d%3A/learn/AI/NLP/ex/4pp/main.cpp
LSP: (invoked) cpptools/didChangeActiveEditor: file:///d%3A/learn/AI/NLP/ex/4pp/main.cpp
LSP: (received) cpptools/didChangeVisibleTextEditors
LSP: (invoked) cpptools/didChangeVisibleTextEditors
LSP: (received) cpptools/didChangeVisibleTextEditors
LSP: (invoked) cpptools/didChangeVisibleTextEditors
LSP: (received) cpptools/didChangeActiveEditor: file:///d%3A/learn/AI/NLP/ex/4pp/main.cpp
LSP: (invoked) cpptools/didChangeActiveEditor: file:///d%3A/learn/AI/NLP/ex/4pp/main.cpp
LSP: (received) cpptools/didChangeVisibleTextEditors
LSP: (invoked) cpptools/didChangeVisibleTextEditors

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Additional context

No response

[sean-mcmanus]

@xiaolitongxue5 What is the error you reference in "see error"? Does anything else stop working? Where is the source file located? What does reading files in the .vscode folder have to do with the issue? What file can't it read there? We don't repro the issue so something unusual might be happening in your repro and it seems likely it could be a VS Code bug.

[xiaolitongxue5]

What is the error you reference in "see error"

The error is the buttons, "Run C/C++ File" and “Debug C/C++ File", that originally existed have disappeared. Although I had edit "launch.json" and "tasks.json" for GCC.

错误是：“运行C/C++文件”和“调试C/C++文件”两个按钮消失。之前这两个按钮可以正常显示。并且我已经修改了What does reading files in the .vscode folder have to do with the issue?和 "tasks.json" 以便程序可以用我指定的编译器运行（GCC）

Does anything else stop working?

VS code show the squiggle underline under the includeFile (#include <nlohmann/json.hpp>), though I had add the includePath in "c_cpp_properties.json" and add args in "tasks.json" for GCC.

VS code 在include语句报错（#include <nlohmann/json.hpp>），但是我已经在"c_cpp_properties.json"中添加了外部库的路径，并且在"tasks.json"中的args字段添加了启动语句以便GCC编译器可以识别到外部库。

Where is the source file located?

The file is located on my PC. The path is "D:\learn\AI\NLP**", that doesn't need admin right. The git repository is also in my PC, just in the source file's folder.

源文件和git仓库都在计算机本地目录上，并且访问不需要管理员权限。

What does reading files in the .vscode folder have to do with the issue?

Because the "c_cpp_properties.json"、"launch.json" and "tasks.json" files are in the .vscode folder, some configuration information like includePath and launch command are in them.

因为一些配置信息在"c_cpp_properties.json"、"launch.json" 和 "tasks.json"文件中，这些文件又都在.vscode文件夹里。

What file can't it read there?

"c_cpp_properties.json"、"launch.json" and "tasks.json" , I guess with the error.

"c_cpp_properties.json"、"launch.json"和"tasks.json"，通过报错猜的。

[xiaolitongxue5]

Besides, if I go back the version 1.23.6 (stabel) , the bug dosen't appear. I can reproduce this bug in version 1.24.2 and 1.24.3

[Baerkanogue]

I have the same problem.
When opening a C source file inside of a git repo, with C/C++ run button appears for ~.5s then disappears. No problem for compiling via the CLI, and I changed nothing to the dirs or files that are affected by this bug. Just stumbled upon it when I wanted to look back at my C scripts that I didn't touch for weeks.
Creating a new untracked C source file inside a git repo doesn't triggers the bug.
I have 2 PCs and the same bug occurs on both.
Commenting settings.json, tasks.json etc... doesn't fix the issue.

Reverting to C/C++ v1.23.6 does fix the issue.

Win 11 Pro 24H2
VSCode 1.99.0