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Simplifies single-file code execution in VSCode.

• Execute single-file code quickly.
• Redirects input/output to separate views.
• Execute launch configurations from launch.json and tasks from tasks.json.
• Support VSCode's configuration variables in configuration. (By using connor4312/vscode-variables, not fully implemented. VSCode does not support it natively).
• Automatically choose launch configurations based on file extensions, maintaining independent context environments for each file(non-persistent storage).
• Automatically adapts to any theme in VSCode via CSS variables for better native compatibility.
• more...

This extension may still have the following issues to be resolved:

• Due to executing native tasks in VSCode, it is significantly slower than running commands directly.
  • Consider manually executing tasks by parsing the task configuration.
• CodeMirror has been introduced as an editor, but it seems unnecessary.
  • Consider simulating some features through a textarea would suffice, but for large texts, a virtual view/line number mechanism needs to be implemented.
  • Pray that VSCode provides Webview with the ability to use native editors.
• The pause mechanism for file execution is not elegant enough.

Currently, this extension is NOT ready to use out of the box. It depends on configurations in launch.json and tasks specified in tasks.json.

Map file extensions to launch configuration names, for example:

"io-runner.launchMap": {
    "c": [ "(lldb) Launch" ],
    "cpp": [ "(lldb) Launch" ]
}

Map the type of launch configuration to the interpreter for interpreted languages, for example:

"io-runner.launchInterpreter": {
    "python": "python3",
    "node": "node",
}

Default encoding for input/output. If you are using Windows with non-English language, you may need to set it to the encoding corresponding to your system language to display the correct language characters.

For example, Simplified Chinese users may need to set it to gbk. Japanese users may need to set it to shift_jis.

The values and their explanations can be selected directly in the settings(UI). You can also refer to TextDecoder: encoding property or package.json for more detailed information.

The maximum time allowed for the program to run. If the program does not complete within the specified time, it will be forcibly terminated.

Unit: milliseconds

Default: 10000 (10 seconds)

For a better experience, it is better to set reveal in presentation to slient in the corresponding task in tasks.json.

    "presentation": {
        "reveal": "never"
    }, 

For compiled languages, take C/C++ as an example， if you have the following launch configuration:

{
    "type": "lldb",
    "request": "launch",
    "name": "(lldb) Launch", // The value of name here corresponds to the value in launchMap below
    "preLaunchTask": "buildG++",
    "postDebugTask": "removeDevFolder",
    "program": "${fileDirname}/.dev/${fileBasenameNoExtension}.out",
    "args": [],
    "cwd": "${fileDirname}",
}

You need to add the following to io-runner.launchMap:

"io-runner.launchMap": {
    "c": [ "(lldb) Launch" ],
    "cpp": [ "(lldb) Launch" ]
}

When you open the IO Runner panel in a C/C++ file, you can choose (lldb) Launch to start the process. The extension will automatically execute the buildG++ task (preLaunchTask), then run the output file specified in the program field. Finally, it will execute the removeDevFolder task (postDebugTask).

For languages that require an interpreter, such as Python, you have the following in launch.json:

{
    "type": "python", // The value of type here corresponds to the key of the interpreter below
    "request": "launch",
    "name": "Python: Current File",
    "program": "${file}",
    "console": "integratedTerminal"
}

You still need to configure in io-runner.launchMap:

"io-runner.launchMap": {
    "py": [ "Python: Current File" ],
}

Also, You need to configure in io-runner.launchInterpreter with the interpreter command matching the type field:

"io-runner.launchInterpreter": {
    "python": "python3",
}

Now, in a Python file, when you open the IO Runner panel, you can choose Python: Current File to start. The extension will automatically execute the python3 command, running the current file.

• io-runner.run - Execute the current file
• io-runner.stop - Stop the current execution
• io-runner.panel.focus - Focus on the IO Runner panel

You can increase efficiency by binding these commands to shortcut keys.

The project is heavily inspired by CmdBlockZQG's OI Runner.

Some components and design tokens are from vscode-webview-ui-toolkit to maintain a consistent appearance with VSCode's interface.

I employ microsoft/fast to develop the frontend interface because of its lightweight design, seamlessly integrated with vscode-webview-ui-toolkit's components.

MIT License © 2023 maxchang3

This project is initialized by using the template starter-vscode.