9062b780b3
Move and rename `SessionDiagnostic` & `SessionSubdiagnostic` traits and macros
After PR #101434, we want to:
- [x] Move `SessionDiagnostic` to `rustc_errors`.
- [x] Add `emit_` methods that accept `impl SessionDiagnostic` to `Handler`.
- [x] _(optional)_ Rename trait `SessionDiagnostic` to `DiagnosticHandler`.
- [x] _(optional)_ Rename macro `SessionDiagnostic` to `DiagnosticHandler`.
- [x] Update Rustc Dev Guide and Docs to reflect these changes. https://github.com/rust-lang/rustc-dev-guide/pull/1460
Now I am having build issues getting the compiler to build when trying to rename the macro.
<details>
<summary>See diagnostics errors and context when building.</summary>
```
error: diagnostics should only be created in `SessionDiagnostic`/`AddSubdiagnostic` impls
--> compiler/rustc_attr/src/session_diagnostics.rs:13:10
|
13 | #[derive(DiagnosticHandler)]
| ^^^^^^^^^^^^^^^^^ in this derive macro expansion
|
::: /Users/jhonny/.cargo/registry/src/github.com-1ecc6299db9ec823/synstructure-0.12.6/src/macros.rs:94:9
|
94 | / pub fn $derives(
95 | | i: $crate::macros::TokenStream
96 | | ) -> $crate::macros::TokenStream {
| |________________________________________- in this expansion of `#[derive(DiagnosticHandler)]`
|
note: the lint level is defined here
--> compiler/rustc_attr/src/lib.rs:10:9
|
10 | #![deny(rustc::diagnostic_outside_of_impl)]
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
```
And also this one:
```
error: diagnostics should only be created in `SessionDiagnostic`/`AddSubdiagnostic` impls
--> compiler/rustc_attr/src/session_diagnostics.rs:213:32
|
213 | let mut diag = handler.struct_span_err_with_code(
| ^^^^^^^^^^^^^^^^^^^^^^^^^
```
> **Note**
> Can't find where this message is coming from, because you can see in [this experimental branch](https://github.com/JhonnyBillM/rust/tree/experimental/trying-to-rename-session-diagnostic-macro) that I updated all errors and diags to say:
> error: diagnostics should only be created in **`DiagnosticHandler`**/`AddSubdiagnostic` impls
> and not:
> error: diagnostics should only be created in **`SessionDiagnostic`**/`AddSubdiagnostic` impls
</details>
I tried building the compiler in different ways (playing with the stages etc), but nothing worked.
## Question
**Do we need to build or do something different when renaming a macro and identifiers?**
For context, see experimental commit
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.. | ||
rustc | ||
rustc_apfloat | ||
rustc_arena | ||
rustc_ast | ||
rustc_ast_lowering | ||
rustc_ast_passes | ||
rustc_ast_pretty | ||
rustc_attr | ||
rustc_borrowck | ||
rustc_builtin_macros | ||
rustc_codegen_cranelift | ||
rustc_codegen_gcc | ||
rustc_codegen_llvm | ||
rustc_codegen_ssa | ||
rustc_const_eval | ||
rustc_data_structures | ||
rustc_driver | ||
rustc_error_codes | ||
rustc_error_messages | ||
rustc_errors | ||
rustc_expand | ||
rustc_feature | ||
rustc_fs_util | ||
rustc_graphviz | ||
rustc_hir | ||
rustc_hir_pretty | ||
rustc_incremental | ||
rustc_index | ||
rustc_infer | ||
rustc_interface | ||
rustc_lexer | ||
rustc_lint | ||
rustc_lint_defs | ||
rustc_llvm | ||
rustc_log | ||
rustc_macros | ||
rustc_metadata | ||
rustc_middle | ||
rustc_mir_build | ||
rustc_mir_dataflow | ||
rustc_mir_transform | ||
rustc_monomorphize | ||
rustc_parse | ||
rustc_parse_format | ||
rustc_passes | ||
rustc_plugin_impl | ||
rustc_privacy | ||
rustc_query_impl | ||
rustc_query_system | ||
rustc_resolve | ||
rustc_save_analysis | ||
rustc_serialize | ||
rustc_session | ||
rustc_smir | ||
rustc_span | ||
rustc_symbol_mangling | ||
rustc_target | ||
rustc_trait_selection | ||
rustc_traits | ||
rustc_transmute | ||
rustc_ty_utils | ||
rustc_type_ir | ||
rustc_typeck |