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Yeep Programming Language - Changelog

Version 2.0.0 - "C++ Migration" (2025-06-19)

🎉 Major Release - Complete C++ Rewrite

✨ New Features

  • Complete C++ migration from legacy C codebase
  • Interactive REPL with help, version, and exit commands
  • Script file execution for .yeep files
  • Print statements with string literals: print("text");
  • Professional build system with automated compilation

🏗️ Architecture Changes

  • Modern C++17 codebase with smart pointers
  • Exception handling throughout the system
  • Type-safe tokens using std::variant
  • RAII memory management - no manual allocation/deallocation
  • Modular design with clear separation of concerns

🛠️ Technical Improvements

  • Lexical analysis - Complete tokenization system
  • Error handling - Graceful error reporting and recovery
  • Build automation - Official build script (build_official.bat)
  • Documentation - Comprehensive README and guides

🔧 Developer Experience

  • VS Code extension published and integrated
  • GitHub Linguist support for .yeep files
  • Professional documentation with wiki
  • Clean, maintainable codebase

💾 Files Added/Modified

  • src/main.cpp - New C++ entry point
  • src/core/YeepEngine.cpp - Main interpreter engine
  • src/core/Token.cpp - Modern token implementation
  • src/core/Lexer.cpp - C++ lexical analyzer
  • include/yeep.hpp - Main header with engine class
  • include/core/*.hpp - Core component headers
  • build_official.bat - Official build script
  • demo.yeep - Working demonstration script

🎯 Breaking Changes

  • Requires C++ compiler (G++/MinGW)
  • New build process (run build_official.bat)
  • Different executable (build/yeep.exe)

Version 1.x Series - Legacy C Implementation

Version 1.2.0 and earlier

  • Original C implementation
  • Basic interpreter functionality
  • Legacy architecture
  • Manual memory management

Upcoming Releases (Planned)

Version 2.1.0 - "Variables & Expressions" (Planned)

  • Variable declarations: let x = 42;
  • Variable usage in print: print(x);
  • Basic arithmetic: let sum = 5 + 3;
  • Expression evaluation

Version 2.2.0 - "Control Flow" (Planned)

  • Conditional statements: if (condition) { ... }
  • Boolean expressions and operators
  • Comparison operators
  • Logical operators (&&, ||, !)

Version 2.3.0 - "Loops & Functions" (Planned)

  • While loops: while (condition) { ... }
  • Function definitions: fun name(params) { ... }
  • Function calls with parameters
  • Return statements

Version 2.4.0 - "Enhanced Features" (Planned)

  • For loops
  • Advanced REPL features
  • Debugging capabilities
  • Performance optimizations

Version 2.5.0 - "Standard Library" (Planned)

  • Built-in functions
  • File I/O operations
  • String manipulation
  • Math functions

Version History Summary

Version Release Date Type Description
2.0.0 2025-06-19 🎉 Major Complete C++ migration, working interpreter
1.2.0 - Legacy Last C-based version
1.x.x - Legacy Original C implementation

This changelog follows Semantic Versioning principles

Legend:

  • 🎉 Major release (breaking changes)
  • ✨ Minor release (new features)
  • 🐛 Patch release (bug fixes)
  • 🔧 Development/internal changes