15fdb95183
11802: fix: add stubs to make proc macros work that use the `SourceFile` API r=jonas-schievink a=jonas-schievink Helps with the rocket 0.4 macros, at least on some Rust versions. Fixes https://github.com/rust-analyzer/rust-analyzer/issues/11264 bors r+ Co-authored-by: Jonas Schievink <jonas.schievink@ferrous-systems.com>