How to Run and Debug C / C++ Code via VSCode
How to Run and Debug C / C++ Code via VSCode: How to run, debug, and get IntelliSense for C/C++ files. This guide is focused on the Windows platform but can be extended to Mac and Linux with some minor changes. The only options available were Dev-C++ (outdated) and the original "Mammoth" Visual Studio. Lately, I found VSCodes and fell in love with it (first love was Atom). I tweaked it around and set it up as a complete IDE for small C, C++ projects.
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By the end of this guide, you'd be able to run, debug, and get IntelliSense for C/C++ files in VSCode. Though, this guide is focused on the Windows platform but can be extended to Mac and Linux with some minor changes.
I extensively used C & C++ in my competitive programming years and wanted better support for debugging & IntelliSense. The only options available were Dev-C++ (outdated) and the original "Mammoth" Visual Studio. Lately, I found VSCode and fell in love with it (first love was Atom). I tweaked it around and set it up as a complete IDE For small C, C++ projects especially geared towards competitive programming.
Create a sample C/C++ project
1. Open/Create an empty folder in VSCode.
2. Create a
new.cpp file inside it like below:
#include <iostream> using namespace std; int main () { cout << "Hello World" << endl; // uncomment below line to stop cmd from exiting immediately in case of "externalConsole": true //system("pause"); return 0; } 3. Installrecommended C/C++ extension in VSCode and reload.
Official C/C++ Extension for VSCode
Install C/C++ Compiler
C/C++ extensiondoes not include a C++ compiler. So, you will need to install one or use which is already installed on your computer.
Windows: Download MinGW64.zip (latest release) and extract it to the C Drive.
Mac: XCode
Linux: GCC
Also, Make sure to add C++ compiler PATH to environment variable of your platform. For Windows MinGW64 add:
C:\MinGW64\bin Run and Debug C/C++ Code
You'll notice that there is also a
.vscode folder in your sample project. To configure
debug configuration , 2 files are required
launch.json and
tasks.json inside
.vscode folder.
VSCode can create and auto-configure these files if we try to debug for the first time. To do that, open C++ file in VSCode and either hitF5 or go toDebug -> Start Debugging and select
C++ (GDB/LLDB) then select
g++.exe build and debug active file .
Select C++ (GDB/LLDB)
Select g++.exe build and debug active file
This should create 2 files
launch.json and
tasks.json in
.vscode folder which should look like below (update the MinGW64 path if not correct)
Notice that I've added one more optional configuration
g++ build & run active file in
launch.json and
g++ build & run in
tasks.json file for purpose of alsoRunning C/C++ code without debugging. Now you may choose which configuration to pick when you start debugging. You may remove the configuration whichever you won't need.
Run & Debug or Only run code
launch.json:
{ "version": "0.2.0", "configurations": [ { "name": "g++.exe build and debug active file", "type": "cppdbg", "request": "launch", "program": "${fileDirname}\\${fileBasenameNoExtension}.exe", "args": [], "stopAtEntry": false, "cwd": "${workspaceFolder}", "environment": [], "externalConsole": false, //set to true to see output in cmd instead "MIMode": "gdb", "miDebuggerPath": "C:\\MinGW64\\bin\\gdb.exe", "setupCommands": [ { "description": "Enable pretty-printing for gdb", "text": "-enable-pretty-printing", "ignoreFailures": true } ], "preLaunchTask": "g++.exe build active file" }, { "name": "g++ build & run active file", "type": "cppdbg", "request": "launch", "program": "${fileDirname}\\${fileBasenameNoExtension}.exe", "args": [], "stopAtEntry": false, "cwd": "${workspaceFolder}", "environment": [], "externalConsole": false, //set to true to see output in cmd instead "MIMode": "gdb", "miDebuggerPath": "C:\\MinGW64\\bin\\gdb.exe", "setupCommands": [ { "description": "Enable pretty-printing for gdb", "text": "-enable-pretty-printing", "ignoreFailures": true } ], "preLaunchTask": "g++ build & run active file" } } tasks.json
{ "tasks": [ { "type": "shell", "label": "g++.exe build active file";, "command": "C:\\MinGW64\\bin\\g++.exe";, "args": [ "-g", "${file}", "-o", "${fileDirname}\\${fileBasenameNoExtension}.exe" ];, "options": { "cwd": "C:\\MinGW64\\bin" } }, { "type": "shell", "label": "g++ build & run active file", "command": "C:\\MinGW64\\bin\\g++.exe", "args": [ "${file}", "-o", "${fileDirname}\\${fileBasenameNoExtension}.exe" ], "options": { "cwd": "C:\\MinGW64\\bin" } } ], "version": } `externalConsole` in `launch.json` can be set to true to see code output in cmd instead.
Restart VSCode to take effects of newly added compiler paths.
Open any C/C++ file, set some breakpoints (or not), and hit the Big Green Play Button.
(Shortcut to debug: F5 )
Select g++.exe build and debug active file
Tip: To hide
*.exe files in the side explorer of VSCode, open settings and paste the below config:
"files.exclude": { "*.exe": true } Tags
# vscode# debugging-in-vscode# cpp# c++# c# debugging# programming# c-programming# web-monetization
Source: https://hackernoon.com/how-to-run-and-debug-c-c-code-via-vscode-a92t345j
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