Move more of `rustc::lint` into `rustc_lint` by Centril · Pull Request #68045 · rust-lang/rust

Centril · 2020-01-09T07:38:18Z

Based on #67806.

Here we try to consolidate more of the linting infra into rustc::lint. Some high-level notes:

We now store an Lrc<dyn Any + Send + Sync> as opposed to Lrc<LintStore> in the GlobalCtxt. This enables us to avoid referring to the type, breaking a cyclic dependency, and so we can move things from rustc::lint to rustc_lint.
in_derive_expansion is, and needs to, be moved as a method on Span.
We reduce the number of ways on tcx to emit a lint so that the developer UX is more streamlined.
LintLevelsBuilder is moved to rustc_lint::levels, leaving behind LintLevelMap/Set in a purified form due to current constraints (hopefully fixable in the future after Slimmer syntax #68133).
struct_lint_level is moved to rustc::lint due to current dependency constraints.
rustc::lint::context is moved to rustc_lint::context.
The visitors in rustc::lint are moved to rustc_lint::passes.

Also do some cleanup of the interface.

Centril · 2020-01-11T06:53:00Z

This is ready for review now.

Mark-Simulacrum

Changes look good.

It'd be helpful to include a description of the new/old crate deps in the PR description I think, but not critical (would help me understand exactly how things have moved at a high level).

src/librustc_lint/late.rs

src/librustc/lint/levels.rs

src/librustc/lint.rs

Centril · 2020-01-11T17:41:04Z

Added a PR description. :)

@bors r=Mark-Simulacrum

bors · 2020-01-11T17:41:05Z

📌 Commit 51078ce has been approved by Mark-Simulacrum

…lacrum Move more of `rustc::lint` into `rustc_lint` Based on rust-lang#67806. Here we try to consolidate more of the linting infra into `rustc::lint`. Some high-level notes: - We now store an `Lrc<dyn Any + Send + Sync>` as opposed to `Lrc<LintStore>` in the `GlobalCtxt`. This enables us to avoid referring to the type, breaking a cyclic dependency, and so we can move things from `rustc::lint` to `rustc_lint`. - `in_derive_expansion` is, and needs to, be moved as a method on `Span`. - We reduce the number of ways on `tcx` to emit a lint so that the developer UX is more streamlined. - `LintLevelsBuilder` is moved to `rustc_lint::levels`, leaving behind `LintLevelMap/Set` in a purified form due to current constraints (hopefully fixable in the future after rust-lang#68133). - `struct_lint_level` is moved to `rustc::lint` due to current dependency constraints. - `rustc::context` is moved to `rustc_lint::context`. - The visitors in `rustc::lint` are moved to `rustc_lint::passes`.

…lacrum Move more of `rustc::lint` into `rustc_lint` Based on rust-lang#67806. Here we try to consolidate more of the linting infra into `rustc::lint`. Some high-level notes: - We now store an `Lrc<dyn Any + Send + Sync>` as opposed to `Lrc<LintStore>` in the `GlobalCtxt`. This enables us to avoid referring to the type, breaking a cyclic dependency, and so we can move things from `rustc::lint` to `rustc_lint`. - `in_derive_expansion` is, and needs to, be moved as a method on `Span`. - We reduce the number of ways on `tcx` to emit a lint so that the developer UX is more streamlined. - `LintLevelsBuilder` is moved to `rustc_lint::levels`, leaving behind `LintLevelMap/Set` in a purified form due to current constraints (hopefully fixable in the future after rust-lang#68133). - `struct_lint_level` is moved to `rustc::lint` due to current dependency constraints. - `rustc::lint::context` is moved to `rustc_lint::context`. - The visitors in `rustc::lint` are moved to `rustc_lint::passes`.

@ghost

Rollup of 6 pull requests Successful merges: - #67494 (Constify more of alloc::Layout) - #67867 (Correctly check for opaque types in `assoc_ty_def`) - #67948 (Galloping search for binary_search_util) - #68045 (Move more of `rustc::lint` into `rustc_lint`) - #68089 (Unstabilize `Vec::remove_item`) - #68108 (Add suggestions when encountering chained comparisons) Failed merges: r? @ghost

src/librustc_lint/lib.rs

Rustup to rust-lang/rust#68045 This is blocked because `rustc_lint::context` is not pub module and `CheckLintNameResult` is not marked as `pub use`. changelog: none

rust-highfive assigned Mark-Simulacrum Jan 9, 2020

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Centril force-pushed the liberate-lints branch from 56e2c47 to 9e9b615 Compare January 9, 2020 09:51

Centril added the S-blocked Status: Blocked on something else such as an RFC or other implementation work. label Jan 9, 2020

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Centril force-pushed the liberate-lints branch 2 times, most recently from d288c66 to b980596 Compare January 10, 2020 06:13

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Centril force-pushed the liberate-lints branch 3 times, most recently from 9297562 to bc1c936 Compare January 11, 2020 06:41

Centril added 14 commits January 11, 2020 07:42

canonicalize some lint imports

3a2af32

move in_derive_expansion as Span method

b93addb

reduce diversity in linting methods

c151782

GlobalCtxt: Erase LintStore type.

6f1a79c

move logic to LintLevelsBuilder

03bdfe9

move LintSource to levels

f577b44

move struct_lint_level to levels.rs

eee84fe

inline maybe_lint_level_root

16bf278

lints: promote levels.rs to lint.rs & extract passes.rs

03dfa64

{rustc::lint -> rustc_lint}::internal

8c12c42

move rustc::lint::{context, passes} to rustc_lint.

f58db20

Also do some cleanup of the interface.

lints: move a comment

b592359

pacify the parallel compiler

8be2a04

fix ui-fulldeps & tests fallout

51078ce

Centril force-pushed the liberate-lints branch from bc1c936 to 51078ce Compare January 11, 2020 06:42

Centril added S-waiting-on-review Status: Awaiting review from the assignee but also interested parties. and removed S-blocked Status: Blocked on something else such as an RFC or other implementation work. labels Jan 11, 2020

Mark-Simulacrum reviewed Jan 11, 2020

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bors added S-waiting-on-bors Status: Waiting on bors to run and complete tests. Bors will change the label on completion. and removed S-waiting-on-review Status: Awaiting review from the assignee but also interested parties. labels Jan 11, 2020

Centril mentioned this pull request Jan 11, 2020

Rollup of 5 pull requests #68134

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JohnTitor mentioned this pull request Jan 11, 2020

Rollup of 6 pull requests #68137

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Centril mentioned this pull request Jan 12, 2020

Rollup of 6 pull requests #68142

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bors merged commit 51078ce into rust-lang:master Jan 12, 2020

Centril deleted the liberate-lints branch January 12, 2020 05:42

JohnTitor added a commit to JohnTitor/rust-clippy that referenced this pull request Jan 12, 2020

Rustup to rust-lang/rust#68045

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cjgillot mentioned this pull request Jan 12, 2020

Move linting mechanisms to librustc_lint. #67737

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Rustup to rust-lang/rust#68045

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JohnTitor added a commit to JohnTitor/rust-clippy that referenced this pull request Jan 13, 2020

Rustup to rust-lang/rust#68045

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Move more of `rustc::lint` into `rustc_lint`#68045

Move more of `rustc::lint` into `rustc_lint`#68045
bors merged 14 commits intorust-lang:masterfrom
Centril:liberate-lints

Centril commented Jan 9, 2020 •

edited by Mark-Simulacrum

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