​​RLS-2.0 Working Group

​​Primary Goal

​​
​​Discover ideal architecture for IDE-compiler by starting a "from scratch" implementation. Especially, how to handle two hardest things:
  • ​​name resolution/macro expansion
  • ​​trait resolution
​​
​​Quantify how hard would be to port existing rustc to the IDE architecture.
​​

​​Secondary Goals

​​
  • ​​provide better RLS experience by making a "better racer"
  • ​​facilitate `rustc` librarification by discovering and prototyping separable libraries
  • ​​facilitate specification of the language, by producing "more declarative" implementation
​​

​​Deliverables

​​
  • ​​a language server which provides compiler-based code completion for a subset of the Rust language.
  • ​​"design knowledge": which approaches do and do not work in IDE contexts.
  • ​​(optional) improvements to existing tooling, like replacing racer in RLS with something more powerful, or making rustfmt capable of dealing with incomplete code.
​​

​​Organization

​​
​​How do we name the thing?
  • ​​rls-2.0 
  • ​​rls-next
  • ​​rust-analyzer
​​
​​What github should we use
  • ​​rust-lang
  • ​​dedicated org
​​