8cbfb26383
This commit refactors `SourceMap` and most importantly `RealFileName` to make it self-contained in order to achieve cross-compiler consistency. This is achieved: - by making `RealFileName` immutable - by only having `SourceMap::to_real_filename` create `RealFileName` - by also making `RealFileName` holds it's working directory, it's embeddable name and the remapped scopes - by making most `FileName` and `RealFileName` methods take a scope as an argument In order for `SourceMap::to_real_filename` to know which scopes to apply `FilePathMapping` now takes the current remapping scopes to apply, which makes `FileNameDisplayPreference` and company useless and are removed. The scopes type `RemapPathScopeComponents` was moved from `rustc_session::config` to `rustc_span`. The previous system for scoping the local/remapped filenames `RemapFileNameExt::for_scope` is no longer useful as it's replaced by methods on `FileName` and `RealFileName`. |
||
|---|---|---|
| .. | ||
| foo-v1.rs | ||
| foo-v2.rs | ||
| main.rs | ||
| main.stderr | ||
| re-export-foo.rs | ||
| rmake.rs | ||