Logo Interpreter & Debugger for VSCode

Standalone VSCode extension with interpreter and debugger for the Logo programming language.

Features

• Logo Language Support: Implements the Logo interpreter directly in the extension
• Code Suggestions: Auto-completion for Logo commands and procedures
• Debugging: Set breakpoints, step through code, inspect variables
• Syntax Highlighting: Logo language syntax highlighting
• Syntax Checking: Basic syntax error detection
• Variable Inspection: View turtle state (position, angle, pen status) and program variables

Supported Logo Commands

Turtle Movement

• FD / FORWARD - Move forward
• BK / BACK / BACKWARD - Move backward
• RT / RIGHT - Turn right
• LT / LEFT - Turn left
• PU / PENUP - Lift pen
• PD / PENDOWN - Put pen down

Drawing

• CS / CLEARSCREEN - Clear screen and reset turtle
• SETPENCOLOR / SETPC - Set pen color

Control Structures

• REPEAT n [commands] - Repeat commands n times
• IF condition [commands] - Conditional execution
• TO name :param1 :param2 ... END - Define procedures

Variables and Expressions

• :variable - Variable reference
• :var = expression - Variable assignment
• Arithmetic operators: +, -, *, /
• Comparison operators: =, <, >

Usage

1. Open a .logo file in VSCode
2. Press F5 or select "Debug Logo Program" from the debug menu
3. The SVG graphics window will open automatically
4. Use standard debugging controls:
   • F10: Step over
   • F11: Step into
   • Shift+F11: Step out
   • F5: Continue
   • Shift+F5: Stop