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Further tweak the type shortening logic

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This commit is contained in:
Esteban Küber 2022-11-25 19:08:46 -08:00
parent 360c0a7a3e
commit 73b371a16c
5 changed files with 13 additions and 12 deletions
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5
compiler/rustc_middle/src/ty/error.rs
View File

@ -986,13 +986,14 @@ fn foo(&self) -> Self::T { String::new() }
}
pub fn short_ty_string(self, ty: Ty<'tcx>) -> (String, Option<PathBuf>) {
let length_limit = self.sess.diagnostic_width().saturating_sub(20);
let width = self.sess.diagnostic_width();
let length_limit = width.saturating_sub(30);
let mut type_limit = 50;
let regular = FmtPrinter::new(self, hir::def::Namespace::TypeNS)
.pretty_print_type(ty)
.expect("could not write to `String`")
.into_buffer();
if regular.len() <= length_limit {
if regular.len() <= width {
return (regular, None);
}
let mut short;

6
src/test/ui/diagnostic-width/long-E0308.stderr
View File

@ -18,7 +18,7 @@ LL | | ))))))))))))))))))))))))))))))
LL | | ))))))))))))))))))))))))))))));
| |___________________________________^ expected struct `Atype`, found enum `Result`
|
= note: expected struct `Atype<Btype<Ctype<..., ...>, ...>, ...>`
= note: expected struct `Atype<Btype<..., ...>, ...>`
the full type name has been written to '$TEST_BUILD_DIR/diagnostic-width/long-E0308/long-E0308.long-type-hash.txt'
found enum `Result<Result<..., ...>, ...>`
the full type name has been written to '$TEST_BUILD_DIR/diagnostic-width/long-E0308/long-E0308.long-type-hash.txt'
@ -34,7 +34,7 @@ LL | | ))))))))))))))))))))))))))))))
LL | | ))))))))))))))))))))))));
| |____________________________^ expected enum `Option`, found enum `Result`
|
= note: expected enum `Option<Result<Option<Option<...>>, ...>>`
= note: expected enum `Option<Result<..., ...>>`
the full type name has been written to '$TEST_BUILD_DIR/diagnostic-width/long-E0308/long-E0308.long-type-hash.txt'
found enum `Result<Result<..., ...>, ...>`
the full type name has been written to '$TEST_BUILD_DIR/diagnostic-width/long-E0308/long-E0308.long-type-hash.txt'
@ -54,7 +54,7 @@ LL | | > = ();
| |_____|
| expected due to this
|
= note: expected struct `Atype<Btype<Ctype<..., ...>, ...>, ...>`
= note: expected struct `Atype<Btype<..., ...>, ...>`
the full type name has been written to '$TEST_BUILD_DIR/diagnostic-width/long-E0308/long-E0308.long-type-hash.txt'
found unit type `()`

2
src/test/ui/error-codes/E0275.stderr
View File

@ -5,7 +5,7 @@ LL | impl<T> Foo for T where Bar<T>: Foo {}
| ^^^
|
= help: consider increasing the recursion limit by adding a `#![recursion_limit = "256"]` attribute to your crate (`E0275`)
note: required for `Bar<Bar<Bar<Bar<Bar<Bar<Bar<Bar<Bar<Bar<Bar<Bar<Bar<Bar<Bar<Bar<Bar<Bar<Bar<Bar<Bar<Bar<Bar<...>>>>>>>>>>>>>>>>>>>>>>>` to implement `Foo`
note: required for `Bar<Bar<Bar<Bar<Bar<Bar<Bar<Bar<Bar<Bar<Bar<Bar<Bar<Bar<Bar<Bar<Bar<Bar<Bar<Bar<Bar<...>>>>>>>>>>>>>>>>>>>>>` to implement `Foo`
--> $DIR/E0275.rs:6:9
|
LL | impl<T> Foo for T where Bar<T>: Foo {}

10
src/test/ui/issues/issue-20413.stderr
View File

@ -14,7 +14,7 @@ LL | impl<T> Foo for T where NoData<T>: Foo {
| ^^^
|
= help: consider increasing the recursion limit by adding a `#![recursion_limit = "256"]` attribute to your crate (`issue_20413`)
note: required for `NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<...>>>>>>>>>>>>>>` to implement `Foo`
note: required for `NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<...>>>>>>>>>>>>>` to implement `Foo`
--> $DIR/issue-20413.rs:9:9
|
LL | impl<T> Foo for T where NoData<T>: Foo {
@ -30,13 +30,13 @@ LL | impl<T> Bar for T where EvenLessData<T>: Baz {
| ^^^
|
= help: consider increasing the recursion limit by adding a `#![recursion_limit = "256"]` attribute to your crate (`issue_20413`)
note: required for `AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<...>>>>>>>>` to implement `Bar`
note: required for `AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<...>>>>>>>` to implement `Bar`
--> $DIR/issue-20413.rs:28:9
|
LL | impl<T> Bar for T where EvenLessData<T>: Baz {
| ^^^ ^
= note: the full type name has been written to '$TEST_BUILD_DIR/issues/issue-20413/issue-20413.long-type-hash.txt'
note: required for `EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<...>>>>>>>>` to implement `Baz`
note: required for `EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<...>>>>>>>` to implement `Baz`
--> $DIR/issue-20413.rs:35:9
|
LL | impl<T> Baz for T where AlmostNoData<T>: Bar {
@ -52,13 +52,13 @@ LL | impl<T> Baz for T where AlmostNoData<T>: Bar {
| ^^^
|
= help: consider increasing the recursion limit by adding a `#![recursion_limit = "256"]` attribute to your crate (`issue_20413`)
note: required for `EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<...>>>>>>>>` to implement `Baz`
note: required for `EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<...>>>>>>>` to implement `Baz`
--> $DIR/issue-20413.rs:35:9
|
LL | impl<T> Baz for T where AlmostNoData<T>: Bar {
| ^^^ ^
= note: the full type name has been written to '$TEST_BUILD_DIR/issues/issue-20413/issue-20413.long-type-hash.txt'
note: required for `AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<...>>>>>>>>` to implement `Bar`
note: required for `AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<...>>>>>>>` to implement `Bar`
--> $DIR/issue-20413.rs:28:9
|
LL | impl<T> Bar for T where EvenLessData<T>: Baz {

2
src/test/ui/recursion/issue-83150.stderr
View File

@ -12,7 +12,7 @@ LL | func(&mut iter.map(|x| x + 1))
error[E0275]: overflow evaluating the requirement `Map<&mut Map<&mut Map<&mut Map<..., ...>, ...>, ...>, ...>: Iterator`
|
= help: consider increasing the recursion limit by adding a `#![recursion_limit = "256"]` attribute to your crate (`issue_83150`)
= note: required for `&mut Map<&mut Map<&mut Map<&mut Map<&mut Map<&mut Map<&mut Map<&mut ..., ...>, ...>, ...>, ...>, ...>, ...>, ...>` to implement `Iterator`
= note: required for `&mut Map<&mut Map<&mut Map<&mut Map<&mut Map<&mut Map<&mut Map<..., ...>, ...>, ...>, ...>, ...>, ...>, ...>` to implement `Iterator`
= note: the full type name has been written to '$TEST_BUILD_DIR/recursion/issue-83150/issue-83150.long-type-hash.txt'
error: aborting due to previous error; 1 warning emitted