Lily

Work in progress...

Summary

• Progression
• Release Schedule
• Examples
• Dependencies
• Contribute
• Build
• Compatibility
• License

Progression

• Scanner: 99% finished
• Preparser: 97% finished
• Precompiler: 80% finished
• Parser: 90% finished
• Analysis: 60% finished
• MIR: 55% finished
• Code generator (LLVM): 60% finished
• Code generator (C): 0% finished
• Code generator (C++): 0% finished
• Linker (LLVM) 30% finished
• Linker (C) 0% finished
• Linker (C++) 0% finished

Release Schedule

Version	Content	Release date
v0.0.0	First release.	2023-09-21
v0.1.0	Implement CI. (And gradually convert the codebase from C to CI.)	2024-05-21
v0.2.0	Continue to implement CI.	2024-06-21
v0.3.0	Add some basic features	2024-08-21
v0.4.0	Implement OOP	2024-10-21
v0.5.0	Begin to write Std library + Core library	2024-12-21
v0.6.0	Implement @std.C.*	2025-03-21
v0.7.0	Implement contract oriented programming	2025-07-21
v0.8.0	Continue to write Std library	2025-10-21
v0.9.0	Continue to write Std library (Containers)	2025-12-21
v0.10.0	Implement C mode	2026-03-21
v0.11.0	Implement C++ mode	2026-06-21
v0.12.0	ASM features	2026-09-21
v0.13.0	Thread + Future data type	2026-12-21
v1.0.0	Self host and add some other features	--------------

Examples

Create a simple function called add that adds the parameter x to the parameter y.

fun add(x, y) = x + y end

fun main =
    val res := add(10, 20);
end

Create a simple record (similar to OCaml) named Person.

type Person record =
    name Str;
    age Uint8;
end

fun main =
    val person := Person { name := "John", age := 25 };
end

Dependencies

• CMake >= 3.20
• Clang >= 16.0
• LLVM 16
• Zlib
• Zstd

Contribute

See CONTRIBUTING.md.

Build

See BUILD.md.

Compatibility

OS	Support (Yes/No)
Windows	No
MacOS Intel	No
MacOS Arm	No
ArchLinux	Yes
Ubuntu	Yes
Linux	Yes
BSD	No

License

Lily is licensed under a MIT license.