Pietron

Cross-platform IDE for Piet.

Description

Pietron is a cross-platform IDE for editing and debugging the source code of "Piet", an esoteric programming language.

The specification of Piet is here.

Pietron is developed with Electron and named after it.

ScreenShot

Usage

Editor

• Draw free lines by dragging on the canvas.

• Select a color by clicking on the palette and the selected is shown at the bottom-right corner.

• Change the color to draw with by clicking on the palette.

  • The commands are shown in each color on the palette.

  • The bare one is from * (origin) and the parenthesized one is to *.

  • Change the * color by right-cicking on the palette.

• Pick a color by right-clicking on the canvas.

• Change the canvas size in various ways.

  • Change the canvas size one by one with the top-left position fixed with Ctrl + Alt + [↑↓←→] (⌥⌘ on OSX).

    meaning	keyboard shortcut
    extend to the right	Ctrl + Alt + →
    extend downwards	Ctrl + Alt + ↓
    trim the rightmost column	Ctrl + Alt + ←
    trim the bottom row	Ctrl + Alt + ↑

  • Change the canvas size one by one with the bottom-right position fixed with Ctrl + Shift + [↑↓←→] (⇧⌘ on OSX).

    meaning	keyboard shortcut
    shift the image to the right	Ctrl + Shift + →
    shift the image down	Ctrl + Shift + ↓
    trim the leftmost column	Ctrl + Shift + ←
    trim the top row	Ctrl + Shift + ↑

  • Change the canvas size to the specified width and height with Ctrl(⌘) + R.

• Undo/Redo support (Ctrl(⌘) + Z / Ctrl + Y (⇧⌘Z)).

• Zoom support (Ctrl(⌘) + ";" / Ctrl(⌘) + "-").

Debugger

• "Start Debug" executes commands until the program terminates (F5).

  • When the commands are executed over 1,000,000 times, a comfirmation dialog will be displayed.

• "Jump Debug" excutes the specified number of commands (F6).

• "Step Debug" excutes a next command (F7).

• "Stop Debug" stops the execution (ESC).

• While debugging, the source codel and the destination codel are indicated by red and blue borders.

• 🎨Emoji🐛 Support.

File I/O

• PNG/BMP support.

• Codel size specification support.

• Non piet colors are dealed as white.

Install

Download zipped files for your operating system from releases.

Executable files are contained in them.

Author

• dnek - Piet lover - dnek

License

This project is licensed under the MIT License - see the LICENSE file for details.

TODOs

• Canvas with HTML5 <canvas>.

• Editor Selection mode.

• Move with arrow keys on the canvas.

• Command preview on the canvas.

• Breakpoint.

• File drag & drop.

• Set the limits of stack & integer.

• Debug log.

Acknowledgments

• Pidet is my previous product and I do not recommend using it.

  • Japanese only.

  • Windows support only.

  • No Emoji support.

  • Not maintained.