PLY Parser & Interpreter v1.0.0

🚀 PLY Parser & Interpreter v1.0.0

Initial Release - Complete lexer, parser, and interpreter with GUI interface built using Python PLY and Tkinter.

✨ Features

• Complete Language Support: Variables, control flow (if/else, for, while), data types (int, float, string, boolean, list)
• Lexical Analysis: Token recognition with comprehensive error handling and line tracking
• AST Generation: Visual Abstract Syntax Tree display with hierarchical representation
• Tree-Walking Interpreter: Full program execution with variable scope and built-in functions
• Modern GUI: Professional Tkinter interface with code editor, live output, and error display
• Built-in Functions: print() and str() with extensible function registry
• Error Handling: Multi-stage error reporting (lexical, syntactic, runtime)

🔧 Technical Stack

• Parser Generator: PLY (Python Lex-Yacc)
• GUI Framework: Tkinter with TTK themed widgets
• Language Features: 15+ AST node types, operator precedence, symbol table management

📋 System Requirements

• Python 3.7 or higher
• PLY library (pip install ply)
• Tkinter (included with Python)

📦 Installation

1. Download the source code from Assets below
2. Install PLY: pip install ply
3. Run: python combined.py

🎯 Example Programs

# Variables and control flow
x = 10
if x > 5: print("Greater") else: print("Smaller")

# Loops and built-ins
for i in range(0, 3): print(str(i))
while x > 8: x = x - 1; print(x)

# Data structures
my_list = [1, "hello", True]
print(my_list)

Perfect for compiler theory learning, academic projects, and portfolio demonstrations