debug-c.md

Debug C

• Install VS Code
• Enable C/C++ extensions
• Copy launch.json, task.json to .vscode directory
• Run debug for giftcardreader.c

Install VS Code

Please download and install VS Code from https://code.visualstudio.com/download

Enable C/C++ extensions

C/C++ default installed in VS Code, please cross check if extension enabled

Copy launch.json, task.json to .vscode directory

• Create .vscode in source code directory
• Copy launch.json, task.json to .vscode

launch.json

• Define run debug for active file
• Update args (arguments) in your case

{
  // 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": "gcc - Build and debug active file",
      "type": "cppdbg",
      "request": "launch",
      "program": "${fileDirname}/${fileBasenameNoExtension}",
      "args": ["1", "examplefile.gft"],
      "stopAtEntry": false,
      "cwd": "${workspaceFolder}",
      "environment": [],
      "externalConsole": false,
      "MIMode": "lldb",
      "preLaunchTask": "C/C++: gcc build active file"
    }
  ]
}

task.json

• Define how to build with gcc

{
  "tasks": [
    {
      "type": "shell",
      "label": "C/C++: gcc build active file",
      "command": "/usr/bin/gcc",
      "args": [
        "-g",
        "${file}",
        "-o",
        "${fileDirname}/${fileBasenameNoExtension}"
      ],
      "options": {
        "cwd": "${workspaceFolder}"
      },
      "problemMatcher": [
        "$gcc"
      ],
      "group": {
        "kind": "build",
        "isDefault": true
      }
    }
  ],
  "version": "2.0.0"
}

Files copied in .vscode directory

Run debug for giftcardreader.c

• Open file: giftcardreader.c
• Set breaking point at line
• Press Ctrl+Shift+P to show all command
• Type debug to search for C debug
• Choose C/C++ Build and Debug active file
• Choose compiler gcc
• Press Enter to start debug

launch.json

{
  // 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": "gcc - Build and debug active file",
      "type": "cppdbg",
      "request": "launch",
      "program": "${fileDirname}/${fileBasenameNoExtension}",
      "args": ["1", "examplefile.gft"],
      "stopAtEntry": false,
      "cwd": "${workspaceFolder}",
      "environment": [],
      "externalConsole": false,
      "MIMode": "lldb",
      "preLaunchTask": "C/C++: gcc build active file"
    }
  ]
}

tasks.json

{
  "tasks": [
    {
      "type": "shell",
      "label": "C/C++: gcc build active file",
      "command": "/usr/bin/gcc",
      "args": [
        "-g",
        "${file}",
        "-o",
        "${fileDirname}/${fileBasenameNoExtension}"
      ],
      "options": {
        "cwd": "${workspaceFolder}"
      },
      "problemMatcher": ["$gcc"],
      "group": {
        "kind": "build",
        "isDefault": true
      }
    }
  ],
  "version": "2.0.0"
}