rust - https://github.com/rust-lang/rust

Age	Commit message (Collapse)	Author	Lines
2017-08-28	Initial diagnostic API for proc-macros.	Sergio Benitez	-0/+134
	This commit introduces the ability to create and emit `Diagnostic` structures from proc-macros, allowing for proc-macro authors to emit warning, error, note, and help messages just like the compiler does.