Project Overview

The Frost compiler, written in Haskell, is organized into a modular architecture that emphasizes clean separation of concerns and maintainable code. The project structure follows a logical organization that supports the complete compilation pipeline from parsing to code generation.

Core Components

• Abstract Syntax Tree (AST)

  • Located in lib/Ast/

  • Handles parsing and syntax representation

  • Includes preprocessor directives and type system

• Code Generation

  • Located in lib/Codegen/

  • Transforms AST into LLVM IR

  • Manages expression generation and control flow

Directory Structure

• app/: Contains the main compiler entry point

• lib/: Houses the core compiler implementation

  • Ast/Parser/: Syntax parsing and AST construction

  • Codegen/ExprGen/: Expression and control flow generation

  • Shared/: Common utilities and helper functions

• examples/: Collection of Frost programs showcasing language features

  • std/: Standard library implementations

  • Various demonstration programs (donut.ff, mandelbrot.ff, etc.)

• test/: Comprehensive test suite

  • Unit tests for parser components

  • Integration tests for code generation

  • Specification tests for language features

Build System

• Uses Cabal for package management

• Makefile for common development tasks

• Continuous integration scripts in scripts/

Documentation

• docs/: Comprehensive documentation

  • User manual for language features

  • Developer documentation for compiler internals

  • Syntax specifications and examples

The project follows a test-driven development approach with extensive unit testing and continuous integration practices to maintain code quality and reliability.