parser: Remove `Deref` impl from `Parser`
Follow up to https://github.com/rust-lang/rust/pull/61541
You have to write `self.token.span` instead of `self.span` in the parser now, which is not nice, but not too bad either, I guess.
Not sure.
Probably still better than people using both and being confused about the definition point of `span`.
r? @oli-obk @estebank
Here follows the main reverts applied in order to make this commit:
Revert "Rollup merge of #60676 - davidtwco:issue-60674, r=cramertj"
This reverts commit 45b09453db, reversing
changes made to f6df1f6c30.
Revert "Rollup merge of #60437 - davidtwco:issue-60236, r=nikomatsakis"
This reverts commit 16939a50ea, reversing
changes made to 12bf981552.
Revert "Rollup merge of #59823 - davidtwco:issue-54716, r=cramertj"
This reverts commit 62d1574876, reversing
changes made to 4eff8526a7.
- Add detail on origin of current parser when reaching EOF and stop
saying "found <eof>" and point at the end of macro calls
- Handle empty `cfg_attr` attribute
- Reword empty `derive` attribute error
Add #[doc(hidden)] attribute on compiler generated module.
Resolves unavoidable `missing_docs` warning/error on proc-macro crates.
Resolves#42008.
Changes not yet tested locally, however I wanted to submit first since `rustc` takes forever to compile.
This will be used to keep track of the origin of a local in the AST. In
particular, it will be used by `async fn` lowering for the locals in
`let <pat>: <ty> = __arg0;` statements.
Rename files about error codes
fixes#60017
This PR will be failed in tidy.
<details>
<summary>The log is here:</summary>
```
tidy check
tidy error: duplicate error code: 411
tidy error: Documents\GitHub\rust\src\librustc_resolve\diagnostics.rs:83: __diagnostic_used!(E0411);
tidy error: Documents\GitHub\rust\src\librustc_resolve\diagnostics.rs:84: err.code(DiagnosticId::Error("E0411".to_owned()));
tidy error: duplicate error code: 424
tidy error: Documents\GitHub\rust\src\librustc_resolve\diagnostics.rs:90: debug!("smart_resolve_path_fragment: E0424, source={:?}", source);
tidy error: Documents\GitHub\rust\src\librustc_resolve\diagnostics.rs:92: __diagnostic_used!(E0424);
tidy error: Documents\GitHub\rust\src\librustc_resolve\diagnostics.rs:93: err.code(DiagnosticId::Error("E0424".to_owned()));
some tidy checks failed
```
</details>
I'd like to fix this but I don't know what to do.
I will work on later. Please let me know if you have any solutions.
r? @petrochenkov
Introduce proc_macro::Span::source_text
A function to extract the actual source behind a Span.
Background: I would like to use `syn` in a `build.rs` script to parse the rust code, and extract part of the source code. However, `syn` only gives access to proc_macro2::Span, and i would like to get the source code behind that.
I opened an issue on proc_macro2 bug tracker for this feature https://github.com/alexcrichton/proc-macro2/issues/110 and @alexcrichton said the feature should first go upstream in proc_macro. So there it is!
Since most of the Span API is unstable anyway, this is guarded by the same `proc_macro_span` feature as everything else.
