Migrate `rustc_mir_build` diagnostics #100854

lzcunt · 2022-08-21T19:23:50Z

This PR migrates rustc_mir_build to use translatable diagnostics
@rustbot label +A-translation
r? rust-lang/diagnostics

rust-highfive · 2022-08-21T19:23:53Z

Thanks for the pull request, and welcome! The Rust team is excited to review your changes, and you should hear from @estebank (or someone else) soon.

Please see the contribution instructions for more information.

davidtwco · 2022-08-23T13:56:03Z

r? @davidtwco

davidtwco

This looks good to me, one question..

compiler/rustc_mir_build/src/lib.rs

davidtwco · 2022-08-24T08:42:15Z

Use @rustbot ready when you're looking for a review :)

davidtwco

Still looks good, I assume you're still working on it as the PR is a draft, nice work!

lzcunt · 2022-08-30T16:24:25Z

Thank you, and yes I'm still working actively on this. There are more pattern diagnostics than I imagined at first. Also I've been committing most diagnostics separately, should I squash them or keep them this way?

davidtwco · 2022-08-30T16:25:13Z

Thank you, and yes I'm still working actively on this. There are more pattern diagnostics than I imagined at first. Also I've been committing most diagnostics separately, should I squash them or keep them this way?

Either is fine :)

lzcunt · 2022-09-01T11:29:53Z

I've hit a problem where the most recent subdiagnostic's arguments "shadow" the previous ones (this was previously mentioned in Zulip) while migrating rustc_mir_build and it also looks like a lot of the diagnostics not yet migrated in rustc_mir_build depend on lists

rust-log-analyzer · 2022-09-01T11:41:31Z

The job x86_64-gnu-llvm-13 failed! Check out the build log: (web) (plain)

Click to see the possible cause of the failure (guessed by this bot)

---- [ui] src/test/ui/pattern/bindings-after-at/borrowck-pat-ref-mut-twice.rs stdout ----
diff of stderr:

53    | |
54 LL | |
55 LL | |         ref mut b,
-    | |         --------- another mutable borrow, by `b`, occurs here
+    | |         --------- another mutable borrow, by `c`, occurs here
57 LL | |         [
58 LL | |             ref mut c,
59    | |             --------- another mutable borrow, by `c`, occurs here
60 LL | |             ref mut d,
60 LL | |             ref mut d,
-    | |             --------- another mutable borrow, by `d`, occurs here
+    | |             --------- another mutable borrow, by `c`, occurs here
62 LL | |             ref e,
63    | |             ----- also borrowed as immutable, by `e`, here
64 LL | |         ]
75    | |
76 LL | |
77 LL | |             ref mut b,
77 LL | |             ref mut b,
-    | |             --------- another mutable borrow, by `b`, occurs here
+    | |             --------- another mutable borrow, by `c`, occurs here
79 LL | |             [
80 LL | |                 ref mut c,
81    | |                 --------- another mutable borrow, by `c`, occurs here
Some tests failed in compiletest suite=ui mode=ui host=x86_64-unknown-linux-gnu target=x86_64-unknown-linux-gnu
82 LL | |                 ref mut d,
82 LL | |                 ref mut d,
-    | |                 --------- another mutable borrow, by `d`, occurs here
+    | |                 --------- another mutable borrow, by `c`, occurs here
84 LL | |                 ref e,
85    | |                 ----- also borrowed as immutable, by `e`, here
86 LL | |             ]

The actual stderr differed from the expected stderr.
Actual stderr saved to /checkout/obj/build/x86_64-unknown-linux-gnu/test/ui/pattern/bindings-after-at/borrowck-pat-ref-mut-twice/borrowck-pat-ref-mut-twice.stderr
To update references, rerun the tests and pass the `--bless` flag
To update references, rerun the tests and pass the `--bless` flag
To only update this specific test, also pass `--test-args pattern/bindings-after-at/borrowck-pat-ref-mut-twice.rs`

error: 1 errors occurred comparing output.
status: exit status: 1
command: "/checkout/obj/build/x86_64-unknown-linux-gnu/stage2/bin/rustc" "/checkout/src/test/ui/pattern/bindings-after-at/borrowck-pat-ref-mut-twice.rs" "-Zthreads=1" "--target=x86_64-unknown-linux-gnu" "--error-format" "json" "--json" "future-incompat" "-Ccodegen-units=1" "-Zui-testing" "-Zdeduplicate-diagnostics=no" "-Cstrip=debuginfo" "--emit" "metadata" "-C" "prefer-dynamic" "--out-dir" "/checkout/obj/build/x86_64-unknown-linux-gnu/test/ui/pattern/bindings-after-at/borrowck-pat-ref-mut-twice" "-A" "unused" "-Crpath" "-Cdebuginfo=0" "-Lnative=/checkout/obj/build/x86_64-unknown-linux-gnu/native/rust-test-helpers" "-L" "/checkout/obj/build/x86_64-unknown-linux-gnu/test/ui/pattern/bindings-after-at/borrowck-pat-ref-mut-twice/auxiliary"
stdout: none
--- stderr -------------------------------
error: cannot borrow value as mutable more than once at a time
   |
   |
LL |     let ref mut a @ ref mut b = U;
   |         ---------^^^---------
   |         |           |
   |         |           another mutable borrow, by `b`, occurs here
   |         first mutable borrow, by `a`, occurs here

error: cannot borrow value as mutable more than once at a time
   |
   |
LL |     let ref mut a @ ref mut b = U;
   |         ---------^^^---------
   |         |           |
   |         |           another mutable borrow, by `b`, occurs here
   |         first mutable borrow, by `a`, occurs here

error: cannot borrow value as mutable more than once at a time
   |
   |
LL |     let ref mut a @ ref mut b = U;
   |         ---------^^^---------
   |         |           |
   |         |           another mutable borrow, by `b`, occurs here
   |         first mutable borrow, by `a`, occurs here

error: cannot borrow value as mutable more than once at a time
   |
   |
LL |     let ref mut a @ ref mut b = U;
   |         ---------^^^---------
   |         |           |
   |         |           another mutable borrow, by `b`, occurs here
   |         first mutable borrow, by `a`, occurs here

error: cannot borrow value as mutable more than once at a time
   |
   |
LL |     let ref mut a @ ref mut b = U;
   |         ---------^^^---------
   |         |           |
   |         |           another mutable borrow, by `b`, occurs here
   |         first mutable borrow, by `a`, occurs here

error: cannot borrow value as mutable more than once at a time
   |
LL |       let ref mut a @ (
   |           ^--------
   |           |
   |           |
   |  _________first mutable borrow, by `a`, occurs here
   | |
LL | |     //~^ ERROR cannot borrow value as mutable more than once at a time
LL | |         ref mut b,
   | |         --------- another mutable borrow, by `c`, occurs here
LL | |         [
LL | |             ref mut c,
   | |             --------- another mutable borrow, by `c`, occurs here
LL | |             ref mut d,
   | |             --------- another mutable borrow, by `c`, occurs here
LL | |             ref e,
   | |             ----- also borrowed as immutable, by `e`, here
LL | |         ]
LL | |     ) = (U, [U, U, U]);


error: cannot borrow value as mutable more than once at a time
   |
LL |       let ref mut a @ (
   |           ^--------
   |           |
   |           |
   |  _________first mutable borrow, by `a`, occurs here
   | |
LL | |         //~^ ERROR cannot borrow value as mutable more than once at a time
LL | |             ref mut b,
   | |             --------- another mutable borrow, by `c`, occurs here
LL | |             [
LL | |                 ref mut c,
   | |                 --------- another mutable borrow, by `c`, occurs here
LL | |                 ref mut d,
   | |                 --------- another mutable borrow, by `c`, occurs here
LL | |                 ref e,
   | |                 ----- also borrowed as immutable, by `e`, here
LL | |             ]
LL | |         ) = (u(), [u(), u(), u()]);

error: borrow of moved value
  --> /checkout/src/test/ui/pattern/bindings-after-at/borrowck-pat-ref-mut-twice.rs:64:9
   |
   |
LL |     let a @ (ref mut b, ref mut c) = (U, U);
   |         -^^^^---------^^---------^
   |         |    |          value borrowed here after move
   |         |    value borrowed here after move
   |         value moved into `a` here
   |         value moved into `a` here
   |         move occurs because `a` has type `(U, U)` which does not implement the `Copy` trait
error: borrow of moved value
  --> /checkout/src/test/ui/pattern/bindings-after-at/borrowck-pat-ref-mut-twice.rs:67:9
   |
   |
LL |     let a @ (b, [c, d]) = &mut val; // Same as ^--
   |         -^^^^-^^^-^^-^^
   |         |    |   |  |
   |         |    |   |  value borrowed here after move
   |         |    value borrowed here after move
   |         value moved into `a` here
   |         value moved into `a` here
   |         move occurs because `a` has type `&mut (U, [U; 2])` which does not implement the `Copy` trait
error: borrow of moved value
  --> /checkout/src/test/ui/pattern/bindings-after-at/borrowck-pat-ref-mut-twice.rs:70:9
   |
   |
LL |     let a @ &mut ref mut b = &mut U;
   |         -^^^^^^^^---------
   |         |        value borrowed here after move
   |         value moved into `a` here
   |         move occurs because `a` has type `&mut U` which does not implement the `Copy` trait


error: borrow of moved value
  --> /checkout/src/test/ui/pattern/bindings-after-at/borrowck-pat-ref-mut-twice.rs:72:9
   |
LL |     let a @ &mut (ref mut b, ref mut c) = &mut (U, U);
   |         -^^^^^^^^^---------^^---------^
   |         |         |          value borrowed here after move
   |         |         value borrowed here after move
   |         value moved into `a` here
   |         value moved into `a` here
   |         move occurs because `a` has type `&mut (U, U)` which does not implement the `Copy` trait

error: cannot borrow value as mutable more than once at a time
   |
   |
LL |         ref mut a @ Ok(ref mut b) | ref mut a @ Err(ref mut b) => {
   |         |              |
   |         |              |
   |         |              another mutable borrow, by `b`, occurs here
   |         first mutable borrow, by `a`, occurs here

error: cannot borrow value as mutable more than once at a time
   |
   |
LL |         ref mut a @ Ok(ref mut b) | ref mut a @ Err(ref mut b) => {
   |                                     |               |
   |                                     |               |
   |                                     |               another mutable borrow, by `b`, occurs here
   |                                     first mutable borrow, by `a`, occurs here

error: cannot borrow value as mutable more than once at a time
   |
   |
LL |         ref mut a @ Ok(ref mut b) | ref mut a @ Err(ref mut b) => {
   |         |              |
   |         |              |
   |         |              another mutable borrow, by `b`, occurs here
   |         first mutable borrow, by `a`, occurs here

error: cannot borrow value as mutable more than once at a time
   |
   |
LL |         ref mut a @ Ok(ref mut b) | ref mut a @ Err(ref mut b) => {
   |                                     |               |
   |                                     |               |
   |                                     |               another mutable borrow, by `b`, occurs here
   |                                     first mutable borrow, by `a`, occurs here

error: cannot borrow value as mutable more than once at a time
   |
   |
LL |         ref mut a @ Ok(ref mut b) | ref mut a @ Err(ref mut b) => {
   |         |              |
   |         |              |
   |         |              another mutable borrow, by `b`, occurs here
   |         first mutable borrow, by `a`, occurs here

error: cannot borrow value as mutable more than once at a time
   |
   |
LL |         ref mut a @ Ok(ref mut b) | ref mut a @ Err(ref mut b) => {
   |                                     |               |
   |                                     |               |
   |                                     |               another mutable borrow, by `b`, occurs here
   |                                     first mutable borrow, by `a`, occurs here

error: cannot borrow value as mutable more than once at a time
   |
   |
LL |         ref mut a @ Ok(ref mut b) | ref mut a @ Err(ref mut b) => {
   |         |              |
   |         |              |
   |         |              another mutable borrow, by `b`, occurs here
   |         first mutable borrow, by `a`, occurs here

error: cannot borrow value as mutable more than once at a time
   |
   |
LL |         ref mut a @ Ok(ref mut b) | ref mut a @ Err(ref mut b) => {
   |                                     |               |
   |                                     |               |
   |                                     |               another mutable borrow, by `b`, occurs here
   |                                     first mutable borrow, by `a`, occurs here

error: cannot borrow value as mutable more than once at a time
   |
   |
LL |     fn f1(ref mut a @ ref mut b: U) {}
   |           ---------^^^---------
   |           |           |
   |           |           another mutable borrow, by `b`, occurs here
   |           first mutable borrow, by `a`, occurs here

error: cannot borrow value as mutable more than once at a time
   |
   |
LL |     fn f2(ref mut a @ ref mut b: U) {}
   |           ---------^^^---------
   |           |           |
   |           |           another mutable borrow, by `b`, occurs here
   |           first mutable borrow, by `a`, occurs here

error: cannot borrow value as mutable more than once at a time
   |
LL |           ref mut a @ [
   |           ^--------
   |           |
   |           |
   |  _________first mutable borrow, by `a`, occurs here
   | |
LL | |         //~^ ERROR cannot borrow value as mutable more than once at a time
LL | |             [ref b @ .., _],
   | |              ---------- also borrowed as immutable, by `b`, here
LL | |             [_, ref mut mid @ ..],
   | |                 ---------------- another mutable borrow, by `mid`, occurs here
LL | |             ..,
LL | |             [..],
LL | |         ] : [[U; 4]; 5]


error: cannot borrow value as mutable more than once at a time
   |
   |
LL |     fn f4_also_moved(ref mut a @ ref mut b @ c: U) {}
   |                      ---------^^^-------------
   |                      |           |           also moved into `c` here
   |                      |           |           also moved into `c` here
   |                      |           another mutable borrow, by `b`, occurs here
   |                      first mutable borrow, by `a`, occurs here
error: cannot move out of value because it is borrowed
  --> /checkout/src/test/ui/pattern/bindings-after-at/borrowck-pat-ref-mut-twice.rs:21:34
   |
   |
LL |     fn f4_also_moved(ref mut a @ ref mut b @ c: U) {}
   |                                  ---------^^^-
   |                                  |           value moved into `c` here
   |                                  |           value moved into `c` here
   |                                  value borrowed, by `b`, here

error[E0499]: cannot borrow value as mutable more than once at a time
   |
   |
LL |     let ref mut a @ ref mut b = U;
   |         |           |
   |         |           |
   |         |           first mutable borrow occurs here
   |         second mutable borrow occurs here
LL |     drop(b);
   |          - first borrow later used here


error[E0499]: cannot borrow value as mutable more than once at a time
   |
   |
LL |     let ref mut a @ ref mut b = U;
   |         |           |
   |         |           |
   |         |           first mutable borrow occurs here
   |         second mutable borrow occurs here
...
LL |     *b = U;


error[E0499]: cannot borrow value as mutable more than once at a time
   |
   |
LL |         ref mut a @ Ok(ref mut b) | ref mut a @ Err(ref mut b) => {
   |         |              |
   |         |              |
   |         |              second mutable borrow occurs here
   |         first mutable borrow occurs here
...
LL |             *a = Err(U);


error[E0499]: cannot borrow value as mutable more than once at a time
   |
   |
LL |         ref mut a @ Ok(ref mut b) | ref mut a @ Err(ref mut b) => {
   |                                     |               |
   |                                     |               |
   |                                     |               second mutable borrow occurs here
   |                                     first mutable borrow occurs here
...
LL |             *a = Err(U);


error[E0499]: cannot borrow value as mutable more than once at a time
   |
   |
LL |         ref mut a @ Ok(ref mut b) | ref mut a @ Err(ref mut b) => {
   |         |              |
   |         |              |
   |         |              second mutable borrow occurs here
   |         first mutable borrow occurs here
LL |             drop(a);
   |                  - first borrow later used here


error[E0499]: cannot borrow value as mutable more than once at a time
   |
   |
LL |         ref mut a @ Ok(ref mut b) | ref mut a @ Err(ref mut b) => {
   |                                     |               |
   |                                     |               |
   |                                     |               second mutable borrow occurs here
   |                                     first mutable borrow occurs here
LL |             drop(a);
   |                  - first borrow later used here

error[E0382]: borrow of moved value
error[E0382]: borrow of moved value
  --> /checkout/src/test/ui/pattern/bindings-after-at/borrowck-pat-ref-mut-twice.rs:21:34
   |
LL |     fn f4_also_moved(ref mut a @ ref mut b @ c: U) {}
   |                      |           |           |
   |                      |           |           value moved here
   |                      |           value borrowed here after move
   |                      move occurs because value has type `U`, which does not implement the `Copy` trait

bors · 2022-09-06T14:19:41Z

☔ The latest upstream changes (presumably #101479) made this pull request unmergeable. Please resolve the merge conflicts.

davidtwco · 2022-09-07T08:58:14Z

I've hit a problem where the most recent subdiagnostic's arguments "shadow" the previous ones (this was previously mentioned in Zulip) while migrating rustc_mir_build and it also looks like a lot of the diagnostics not yet migrated in rustc_mir_build depend on lists

We'll just need to leave this untranslated for now, I'm afraid, so feel free to skip them and leave #[allow(..)] attributes for the lints (or if there really are a lot, just don't add the #[deny(..)]).

davidtwco · 2022-09-07T08:58:44Z

Oh, and apologies for the delay in responding, don't know how I managed to miss this one for six days.

lzcunt · 2022-09-08T17:29:24Z

It happens, I'll quickly resolve everything then

Noratrieb · 2022-10-23T11:54:06Z

Hi, I've seen you changed some diagnostic structs in your PR. After #103345, the way we refer to fluent messages changed. They are now in a flat namespace with the same identifier as in the fluent file. For example, parser::cool_thing is now parser_cool_thing and parser::suggestion just suggestion.
You should rebase to the latest master and change your fluent message references as described above. Thanks!

davidtwco · 2022-11-02T13:37:30Z

@AsyaTheAbove are you still able to work on this?

lzcunt · 2022-11-02T14:08:18Z

@AsyaTheAbove are you still able to work on this?

not really, I've been busy recently and even when I do get to work on it I have a few issues with my development environment that I've been struggling with

mejrs · 2022-11-14T10:31:16Z

Does this only need a rebase? It seems good to go otherwise.

davidtwco · 2022-11-15T10:40:20Z

Closing in favour of #104417.

Migrate rustc_mir_build diagnostics Rebases rust-lang#100854 ~~The remaining issue is how to better resolve rust-lang@72bea68af4ee2a41c44998916f6a789163f12e7d~~ ~~The diagnostic macros seems to generate a broken diagnostic, and I couldn't figure out how to manually format the fluent message, so I hardcoded the format string for now. I'd like pointers to a better fix for this.~~ Also, I'm not 100% sure I didn't mess up a rebase somewhere 🙂 r? `@davidtwco`

Migrate rustc_mir_build diagnostics Rebases rust-lang#100854 ~~The remaining issue is how to better resolve rust-lang@72bea68af4ee2a41c44998916f6a789163f12e7d~~ ~~The diagnostic macros seems to generate a broken diagnostic, and I couldn't figure out how to manually format the fluent message, so I hardcoded the format string for now. I'd like pointers to a better fix for this.~~ Also, I'm not 100% sure I didn't mess up a rebase somewhere 🙂 r? ``@davidtwco``

Migrate rustc_mir_build diagnostics Rebases rust-lang#100854 ~~The remaining issue is how to better resolve rust-lang@72bea68af4ee2a41c44998916f6a789163f12e7d~~ ~~The diagnostic macros seems to generate a broken diagnostic, and I couldn't figure out how to manually format the fluent message, so I hardcoded the format string for now. I'd like pointers to a better fix for this.~~ Also, I'm not 100% sure I didn't mess up a rebase somewhere 🙂 r? ```@davidtwco```

Migrate rustc_mir_build diagnostics Rebases rust-lang#100854 ~~The remaining issue is how to better resolve rust-lang@72bea68af4ee2a41c44998916f6a789163f12e7d~~ ~~The diagnostic macros seems to generate a broken diagnostic, and I couldn't figure out how to manually format the fluent message, so I hardcoded the format string for now. I'd like pointers to a better fix for this.~~ Also, I'm not 100% sure I didn't mess up a rebase somewhere 🙂 r? `@davidtwco`

rust-highfive assigned estebank Aug 21, 2022

rustbot added A-translation Area: Translation infrastructure, and migrating existing diagnostics to SessionDiagnostic T-compiler Relevant to the compiler team, which will review and decide on the PR/issue. labels Aug 21, 2022

rust-highfive added the S-waiting-on-review Status: Awaiting review from the assignee but also interested parties. label Aug 21, 2022

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lzcunt mentioned this pull request Aug 22, 2022

Diagnostic Translation #100717

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lzcunt force-pushed the mir_build_diagnostic_migration branch from 9b7b2cf to fc79d28 Compare August 22, 2022 07:24

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lzcunt added 7 commits September 1, 2022 12:18

Migrate "constant pattern depends on generic parameter" diagnostic

65c736e

Migrate "could not evaluate const pattern" diagnostic

b460768

Migrate lower range bound diagnostics

ae2e7af

Migrate leading/trailing irrefutable let pattern diagnostics

d873ee6

Migrate pattern bindings with variant name lint

d91ff3e

Migrate irrefutable let pattern diagnostics

3b57a3e

Migrate borrow of moved value diagnostic

4f5fdac

lzcunt force-pushed the mir_build_diagnostic_migration branch from 0e1dd82 to 5cb7e4f Compare September 1, 2022 09:39

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Migrate multiple mut borrows diagnostic

3e527aa

lzcunt force-pushed the mir_build_diagnostic_migration branch from 5cb7e4f to 3e527aa Compare September 1, 2022 10:57

mejrs mentioned this pull request Nov 14, 2022

Migrate rustc_mir_build diagnostics #104417

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davidtwco closed this Nov 15, 2022

Migrate rustc_mir_build diagnostics #100854

Migrate rustc_mir_build diagnostics #100854

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Migrate `rustc_mir_build` diagnostics #100854

Migrate `rustc_mir_build` diagnostics #100854

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