Sync to upstream/release/629 - Githubissues

luau-lang / luau

A fast, small, safe, gradually typed embeddable scripting language derived from Lua

https://luau-lang.org

MIT License

3.79k stars 349 forks source link

Sync to upstream/release/629 #1290

Closed andyfriesen closed 3 weeks ago

andyfriesen commented 3 weeks ago

What's new

Implemented parsing logic for attributes
Added lua_setuserdatametatable and lua_getuserdatametatable C API methods for a faster userdata metatable fetch compared to luaL_getmetatable. Note that metatable reference has to still be pinned in memory!

New Solver

Further improvement to the assignment inference logic
Fix many bugs surrounding constraint dispatch order

Native Codegen

Add IR lowering hooks for custom host userdata types
Add IR to create new tagged userdata objects
Remove outdated NativeState

Internal Contributors

Co-authored-by: Aaron Weiss aaronweiss@roblox.com Co-authored-by: Alexander McCord amccord@roblox.com Co-authored-by: Andy Friesen afriesen@roblox.com Co-authored-by: Aviral Goel agoel@roblox.com Co-authored-by: Vighnesh Vijay vvijay@roblox.com Co-authored-by: Vyacheslav Egorov vegorov@roblox.com