Remove the borrow check::nll submodule by mark-i-m · Pull Request #66886 · rust-lang/rust

mark-i-m · 2019-11-30T01:50:50Z

NLL is the only borrow checker now, so no need to have a separate submodule.

@rustbot modify labels: +S-blocked

Waiting on #66815

rust-highfive · 2019-11-30T01:50:54Z

r? @petrochenkov

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mark-i-m · 2019-11-30T01:51:11Z

r? @matthewjasper

mark-i-m · 2019-11-30T01:51:33Z

@rustbot modify labels: +S-blocked -S-waiting-on-review

mark-i-m · 2019-11-30T01:52:11Z

cc @eddyb

mark-i-m · 2019-11-30T02:32:07Z

Also, just grepping, it looks like there are a lot of context structs in use in the rustc_mir::borrow_check module. Can any of these be merged (I suspect at least the region error reporting stuff can be)?

MirBorrowckCtxt               // from rustc_mir::borrow_check
BorrowCheckContext            // from rustc_mir::borrow_check::type_check
LivenessContext               // from rustc_mir::borrow_check::type_check
RegionInferenceContext        // from rustc_mir::borrow_check::region_infer
ErrorReportingCtx             // from rustc_mir::borrow_check::diagnostics:region_errors
RegionErrorNamingCtx          // from rustc_mir::borrow_check::diagnostics::region_naming

// From rustc::mir::visit
TyContext
MutatingUseContext
NonMutatingUseContext
NonUseContext
PlaceContext

// From rustc::infer
InferCtxt

// From rustc::ty
TyCtxt

matthewjasper · 2019-11-30T11:12:20Z

ErrorReportingCtx can be replaced with MirBorrowckCtxt by not reporting those errors until the MirBorrowckCtxt is constructed.

bors · 2019-12-02T18:02:58Z

☔ The latest upstream changes (presumably #64736) made this pull request unmergeable. Please resolve the merge conflicts.

mark-i-m · 2019-12-05T18:01:30Z

@rustbot modify labels: +S-waiting-on-review -S-blocked

src/librustc_mir/borrow_check/mod.rs

bors · 2019-12-06T03:30:59Z

☔ The latest upstream changes (presumably #66911) made this pull request unmergeable. Please resolve the merge conflicts.

mark-i-m · 2019-12-06T15:49:36Z

Rebased, will possibly push more commits soon

mark-i-m · 2019-12-06T16:03:14Z

@matthewjasper Done!

bors · 2019-12-06T22:26:06Z

☔ The latest upstream changes (presumably #65195) made this pull request unmergeable. Please resolve the merge conflicts.

matthewjasper · 2019-12-07T15:50:28Z

r=me with merge conflicts fixed

mark-i-m · 2019-12-07T18:46:39Z

Rebased

matthewjasper · 2019-12-07T19:17:36Z

@bors r+

mark-i-m · 2019-12-12T03:37:27Z

Rebased again. Would it be possible to get p=1 and avoid further rebasing please?

matthewjasper · 2019-12-12T07:18:10Z

@bors r+ p=1

bors · 2019-12-12T07:18:11Z

📌 Commit bc9582a has been approved by matthewjasper

bors · 2019-12-12T09:11:08Z

⌛ Testing commit bc9582a with merge 4968f1f...

@rustbot

Remove the borrow check::nll submodule NLL is the only borrow checker now, so no need to have a separate submodule. @rustbot modify labels: +S-blocked Waiting on #66815

rust-highfive · 2019-12-12T11:51:17Z

The job x86_64-gnu-tools of your PR failed (pretty log, raw log). Through arcane magic we have determined that the following fragments from the build log may contain information about the problem.

Click to expand the log.

2019-12-12T11:45:45.0787137Z Verifying status of clippy-driver...
2019-12-12T11:45:45.0787201Z Verifying status of miri...
2019-12-12T11:45:45.0787436Z Verifying status of embedded-book...
2019-12-12T11:45:45.0787635Z Verifying status of rustc-guide...
2019-12-12T11:45:45.0788075Z error: Tool `rls` should be test-pass but is test-fail during beta week.
2019-12-12T11:45:45.0794668Z Build completed unsuccessfully in 0:00:01
2019-12-12T11:45:45.0850209Z == clock drift check ==
2019-12-12T11:45:45.0873051Z   local time: Thu Dec 12 11:45:45 UTC 2019
2019-12-12T11:45:45.3743862Z   network time: Thu, 12 Dec 2019 11:45:45 GMT
2019-12-12T11:45:45.3743862Z   network time: Thu, 12 Dec 2019 11:45:45 GMT
2019-12-12T11:45:45.3748862Z == end clock drift check ==
2019-12-12T11:45:45.9505288Z 
2019-12-12T11:45:45.9567709Z ##[error]Bash exited with code '1'.
2019-12-12T11:45:45.9618766Z ##[section]Starting: Checkout
2019-12-12T11:45:45.9622404Z ==============================================================================
2019-12-12T11:45:45.9623404Z Task         : Get sources
2019-12-12T11:45:45.9623475Z Description  : Get sources from a repository. Supports Git, TfsVC, and SVN repositories.

I'm a bot! I can only do what humans tell me to, so if this was not helpful or you have suggestions for improvements, please ping or otherwise contact @TimNN. (Feature Requests)

bors · 2019-12-12T11:51:21Z

💔 Test failed - checks-azure

matthewjasper · 2019-12-12T11:56:12Z

@bors retry

bors · 2019-12-12T15:04:42Z

⌛ Testing commit bc9582a with merge e9469a6...

@rustbot

Remove the borrow check::nll submodule NLL is the only borrow checker now, so no need to have a separate submodule. @rustbot modify labels: +S-blocked Waiting on #66815

bors · 2019-12-12T18:12:16Z

☀️ Test successful - checks-azure
Approved by: matthewjasper
Pushing e9469a6 to master...

@matthewjasper

…=matthewjasper Refactorings to borrowck region diagnostic reporting This PR is a followup to rust-lang#66886 and rust-lang#67404 EDIT: updated In this PR: Clean up how errors are collected from NLL: introduce `borrow_check::diagnostics::RegionErrors` to collect errors. This is later passed to `MirBorrowckCtx::report_region_errors` after the `MirBorrowckCtx` is created. This will allow us to refactor away some of the extra context structs floating around (but we don't do it in this PR). `borrow_check::region_infer` is now mostly free of diagnostic generating code. The signatures of most of the functions in `region_infer` lose somewhere between 4 and 7 arguments :) Left for future (feedback appreciated): - Merge `ErrorRegionCtx` with `MirBorrowckCtx`, as suggested by @matthewjasper in rust-lang#66886 (comment) - Maybe move the contents of `borrow_check::nll` into `borrow_check` and remove the `nll` submodule altogether. - Find a way to make `borrow_check::diagnostics::region_errors` less of a strange appendage to `RegionInferenceContext`. I'm not really sure how to do this yet. Ideas welcome.

@matthewjasper

…=matthewjasper Refactorings to borrowck region diagnostic reporting This PR is a followup to rust-lang#66886 and rust-lang#67404 EDIT: updated In this PR: Clean up how errors are collected from NLL: introduce `borrow_check::diagnostics::RegionErrors` to collect errors. This is later passed to `MirBorrowckCtx::report_region_errors` after the `MirBorrowckCtx` is created. This will allow us to refactor away some of the extra context structs floating around (but we don't do it in this PR). `borrow_check::region_infer` is now mostly free of diagnostic generating code. The signatures of most of the functions in `region_infer` lose somewhere between 4 and 7 arguments :) Left for future (feedback appreciated): - Merge `ErrorRegionCtx` with `MirBorrowckCtx`, as suggested by @matthewjasper in rust-lang#66886 (comment) - Maybe move the contents of `borrow_check::nll` into `borrow_check` and remove the `nll` submodule altogether. - Find a way to make `borrow_check::diagnostics::region_errors` less of a strange appendage to `RegionInferenceContext`. I'm not really sure how to do this yet. Ideas welcome.

@matthewjasper

…=matthewjasper Refactorings to borrowck region diagnostic reporting This PR is a followup to rust-lang#66886 and rust-lang#67404 EDIT: updated In this PR: Clean up how errors are collected from NLL: introduce `borrow_check::diagnostics::RegionErrors` to collect errors. This is later passed to `MirBorrowckCtx::report_region_errors` after the `MirBorrowckCtx` is created. This will allow us to refactor away some of the extra context structs floating around (but we don't do it in this PR). `borrow_check::region_infer` is now mostly free of diagnostic generating code. The signatures of most of the functions in `region_infer` lose somewhere between 4 and 7 arguments :) Left for future (feedback appreciated): - Merge `ErrorRegionCtx` with `MirBorrowckCtx`, as suggested by @matthewjasper in rust-lang#66886 (comment) - Maybe move the contents of `borrow_check::nll` into `borrow_check` and remove the `nll` submodule altogether. - Find a way to make `borrow_check::diagnostics::region_errors` less of a strange appendage to `RegionInferenceContext`. I'm not really sure how to do this yet. Ideas welcome.

@matthewjasper

…=matthewjasper Refactorings to borrowck region diagnostic reporting This PR is a followup to rust-lang#66886 and rust-lang#67404 EDIT: updated In this PR: Clean up how errors are collected from NLL: introduce `borrow_check::diagnostics::RegionErrors` to collect errors. This is later passed to `MirBorrowckCtx::report_region_errors` after the `MirBorrowckCtx` is created. This will allow us to refactor away some of the extra context structs floating around (but we don't do it in this PR). `borrow_check::region_infer` is now mostly free of diagnostic generating code. The signatures of most of the functions in `region_infer` lose somewhere between 4 and 7 arguments :) Left for future (feedback appreciated): - Merge `ErrorRegionCtx` with `MirBorrowckCtx`, as suggested by @matthewjasper in rust-lang#66886 (comment) - Maybe move the contents of `borrow_check::nll` into `borrow_check` and remove the `nll` submodule altogether. - Find a way to make `borrow_check::diagnostics::region_errors` less of a strange appendage to `RegionInferenceContext`. I'm not really sure how to do this yet. Ideas welcome.

@matthewjasper

Refactorings to borrowck region diagnostic reporting This PR is a followup to #66886 and #67404 EDIT: updated In this PR: Clean up how errors are collected from NLL: introduce `borrow_check::diagnostics::RegionErrors` to collect errors. This is later passed to `MirBorrowckCtx::report_region_errors` after the `MirBorrowckCtx` is created. This will allow us to refactor away some of the extra context structs floating around (but we don't do it in this PR). `borrow_check::region_infer` is now mostly free of diagnostic generating code. The signatures of most of the functions in `region_infer` lose somewhere between 4 and 7 arguments :) Left for future (feedback appreciated): - Merge `ErrorRegionCtx` with `MirBorrowckCtx`, as suggested by @matthewjasper in #66886 (comment) - Maybe move the contents of `borrow_check::nll` into `borrow_check` and remove the `nll` submodule altogether. - Find a way to make `borrow_check::diagnostics::region_errors` less of a strange appendage to `RegionInferenceContext`. I'm not really sure how to do this yet. Ideas welcome.

rust-highfive assigned petrochenkov Nov 30, 2019

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rustbot added S-blocked Status: Blocked on something else such as an RFC or other implementation work. and removed S-waiting-on-review Status: Awaiting review from the assignee but also interested parties. labels Nov 30, 2019

mark-i-m force-pushed the simplify-borrow_check-2 branch from f455e00 to 7ce2e15 Compare December 1, 2019 20:03

mark-i-m force-pushed the simplify-borrow_check-2 branch from 7ce2e15 to 1fff534 Compare December 5, 2019 18:00

rustbot 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 Dec 5, 2019

matthewjasper reviewed Dec 5, 2019

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mark-i-m force-pushed the simplify-borrow_check-2 branch from 1fff534 to 30ce5d2 Compare December 6, 2019 15:48

matthewjasper added S-waiting-on-author Status: This is awaiting some action (such as code changes or more information) from the author. and removed S-waiting-on-review Status: Awaiting review from the assignee but also interested parties. labels Dec 7, 2019

mark-i-m force-pushed the simplify-borrow_check-2 branch from 94c9e86 to 15e2b86 Compare December 7, 2019 18:44

mark-i-m added 2 commits December 11, 2019 21:35

more private

02d93bd

fix imports after rebase

bc9582a

mark-i-m force-pushed the simplify-borrow_check-2 branch from 2cf227c to bc9582a Compare December 12, 2019 03:36

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-author Status: This is awaiting some action (such as code changes or more information) from the author. labels Dec 12, 2019

bors added S-waiting-on-review Status: Awaiting review from the assignee but also interested parties. and removed S-waiting-on-bors Status: Waiting on bors to run and complete tests. Bors will change the label on completion. labels Dec 12, 2019

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 Dec 12, 2019

bors added the merged-by-bors This PR was explicitly merged by bors. label Dec 12, 2019

bors merged commit bc9582a into rust-lang:master Dec 12, 2019

bors mentioned this pull request Dec 12, 2019

Add a raw "address of" operator #64588

Merged

mark-i-m deleted the simplify-borrow_check-2 branch December 12, 2019 18:45

mark-i-m mentioned this pull request Dec 13, 2019

Update NLL links after refactorings rust-lang/rustc-dev-guide#536

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