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MiniCSharpCompiler

A simple C# compiler implementation for learning compiler principles. This project is a course assignment that demonstrates the basic compilation process including lexical analysis, syntax analysis, semantic analysis, and code generation.

Project Structure

src/
├── MiniCSharpCompiler.Core/
│   ├── Interfaces/
│   │   ├── ILexer.cs              # Interface for Lexer
│   │   └── IParser.cs             # Interface for Parser
│   ├── Lexer/
│   │   ├── Lexer.cs               # Implementation of Lexer
│   │   ├── StandardLexer.cs       # Standard implementation with Roslyn API
│   │   ├── Keywords.cs            # Keywords definition
│   │   └── Token.cs               # Token definition
│   ├── Parser/
│   │   ├── Parser.cs              # Implementation of Parser
│   │   └── StandardParser.cs      # Standard implementation with Roslyn API
├── MiniCSharpCompiler/
│   ├── Utilities/
│   │   └── SyntaxPrinter.cs       # Helper class for printing syntax tree
│   └── Program.cs                 # Entry point of the compiler
├── MiniCSharpCompiler.Test/
│   ├── TestFiles/                 # Test source files
│   └── LexerTests.cs              # Unit tests for Lexer
README.md                          # This file

Features (In Progress)

  • Lexical Analysis: Convert source code into token stream
  • Syntax Analysis: Build Abstract Syntax Tree (AST)
  • Semantic Analysis: Type checking and symbol resolution
  • Code Generation: Generate IL code

Usage

cd src/MiniCSharpCompiler/
dotnet run -- [source-file]

You can run the compiler with the source file as an argument. If you don't provide the source file, the compiler will read the source code from the console input.

Dependencies