rust/compiler/rustc_lint/src/lints.rs, branch 1.77.2

Stop using `String` for error codes.

2024-01-28T20:41:41+00:00

Error codes are integers, but `String` is used everywhere to represent them. Gross! This commit introduces `ErrCode`, an integral newtype for error codes, replacing `String`. It also introduces a constant for every error code, e.g. `E0123`, and removes the `error_code!` macro. The constants are imported wherever used with `use rustc_errors::codes::*`. With the old code, we have three different ways to specify an error code at a use point: ``` error_code!(E0123) // macro call struct_span_code_err!(dcx, span, E0123, "msg"); // bare ident arg to macro call \#[diag(name, code = "E0123")] // string struct Diag; ``` With the new code, they all use the `E0123` constant. ``` E0123 // constant struct_span_code_err!(dcx, span, E0123, "msg"); // constant \#[diag(name, code = E0123)] // constant struct Diag; ``` The commit also changes the structure of the error code definitions: - `rustc_error_codes` now just defines a higher-order macro listing the used error codes and nothing else. - Because that's now the only thing in the `rustc_error_codes` crate, I moved it into the `lib.rs` file and removed the `error_codes.rs` file. - `rustc_errors` uses that macro to define everything, e.g. the error code constants and the `DIAGNOSTIC_TABLES`. This is in its new `codes.rs` file.

address requested changes

2024-01-23T13:16:24+00:00

add list of characters to uncommon codepoints lint

2024-01-23T02:56:33+00:00

Revert "Auto merge of #118133 - Urgau:stabilize_trait_upcasting, r=WaffleLapkin"

2024-01-22T14:24:31+00:00

This reverts commit 6d2b84b3ed7848fd91b8d6151d4451b3103ed816, reversing changes made to 73bc12199ea8c7651ed98b069c0dd6b0bb5fabcf.

Rollup merge of #119710 - Nilstrieb:let-_-=-oops, r=TaKO8Ki

2024-01-22T06:56:41+00:00

Improve `let_underscore_lock` - lint if the lock was in a nested pattern - lint if the lock is inside a `Result` addresses https://github.com/rust-lang/rust/pull/119704#discussion_r1444044745

Add check for ui_testing via promoting parameters from `ParseSess` to `Session`

2024-01-13T17:11:13+00:00

Improve `let_underscore_lock`

2024-01-12T22:18:58+00:00

- lint if the lock was in a nested pattern - lint if the lock is inside a `Result`

check rust lints when an unknown lint is detected

2024-01-12T10:50:36+00:00

Rollup merge of #119704 - chenyukang:yukang-fix-let_underscore, r=Nilstrieb

2024-01-08T23:19:35+00:00

Fix two variable binding issues in lint let_underscore Fixes #119696 Fixes #119697

Fix 2 variable binding issues in let_underscore

2024-01-08T08:50:14+00:00