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Make parse_pat_ident not recover bad name

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This commit is contained in:
Esteban Küber 2023-11-06 21:00:13 +00:00
parent abe34e9ab1
commit 44fd3b4d46
8 changed files with 15 additions and 274 deletions
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2
compiler/rustc_parse/src/parser/pat.rs
View File

@ -839,7 +839,7 @@ impl<'a> Parser<'a> {
binding_annotation: BindingAnnotation,
syntax_loc: Option<PatternLocation>,
) -> PResult<'a, PatKind> {
let ident = self.parse_ident()?;
let ident = self.parse_ident_common(false)?;
if self.may_recover()
&& !matches!(syntax_loc, Some(PatternLocation::FunctionParameter))

57
tests/ui/editions/edition-keywords-2018-2015-parsing.stderr
View File

@ -9,60 +9,5 @@ help: escape `async` to use it as an identifier
LL | let mut r#async = 1;
| ++
error: expected identifier, found keyword `async`
--> $DIR/edition-keywords-2018-2015-parsing.rs:26:13
|
LL | module::async();
| ^^^^^ expected identifier, found keyword
|
help: escape `async` to use it as an identifier
|
LL | module::r#async();
| ++
error: aborting due to previous error
error: no rules expected the token `r#async`
--> $DIR/edition-keywords-2018-2015-parsing.rs:20:31
|
LL | r#async = consumes_async!(r#async);
| ^^^^^^^ no rules expected this token in macro call
|
note: while trying to match `async`
--> $DIR/auxiliary/edition-kw-macro-2015.rs:17:6
|
LL | (async) => (1)
| ^^^^^
error: no rules expected the token `async`
--> $DIR/edition-keywords-2018-2015-parsing.rs:21:35
|
LL | r#async = consumes_async_raw!(async);
| ^^^^^ no rules expected this token in macro call
|
note: while trying to match `r#async`
--> $DIR/auxiliary/edition-kw-macro-2015.rs:22:6
|
LL | (r#async) => (1)
| ^^^^^^^
error: macro expansion ends with an incomplete expression: expected one of `move`, `|`, or `||`
--> $DIR/auxiliary/edition-kw-macro-2015.rs:27:23
|
LL | ($i: ident) => ($i)
| ^ expected one of `move`, `|`, or `||`
|
::: $DIR/edition-keywords-2018-2015-parsing.rs:24:8
|
LL | if passes_ident!(async) == 1 {}
| -------------------- in this macro invocation
error[E0308]: mismatched types
--> $DIR/edition-keywords-2018-2015-parsing.rs:29:33
|
LL | let _recovery_witness: () = 0;
| -- ^ expected `()`, found integer
| |
| expected due to this
error: aborting due to 6 previous errors
For more information about this error, try `rustc --explain E0308`.

57
tests/ui/editions/edition-keywords-2018-2018-parsing.stderr
View File

@ -9,60 +9,5 @@ help: escape `async` to use it as an identifier
LL | let mut r#async = 1;
| ++
error: expected identifier, found keyword `async`
--> $DIR/edition-keywords-2018-2018-parsing.rs:26:13
|
LL | module::async();
| ^^^^^ expected identifier, found keyword
|
help: escape `async` to use it as an identifier
|
LL | module::r#async();
| ++
error: aborting due to previous error
error: no rules expected the token `r#async`
--> $DIR/edition-keywords-2018-2018-parsing.rs:20:31
|
LL | r#async = consumes_async!(r#async);
| ^^^^^^^ no rules expected this token in macro call
|
note: while trying to match `async`
--> $DIR/auxiliary/edition-kw-macro-2018.rs:17:6
|
LL | (async) => (1)
| ^^^^^
error: no rules expected the token `async`
--> $DIR/edition-keywords-2018-2018-parsing.rs:21:35
|
LL | r#async = consumes_async_raw!(async);
| ^^^^^ no rules expected this token in macro call
|
note: while trying to match `r#async`
--> $DIR/auxiliary/edition-kw-macro-2018.rs:22:6
|
LL | (r#async) => (1)
| ^^^^^^^
error: macro expansion ends with an incomplete expression: expected one of `move`, `|`, or `||`
--> $DIR/auxiliary/edition-kw-macro-2018.rs:27:23
|
LL | ($i: ident) => ($i)
| ^ expected one of `move`, `|`, or `||`
|
::: $DIR/edition-keywords-2018-2018-parsing.rs:24:8
|
LL | if passes_ident!(async) == 1 {}
| -------------------- in this macro invocation
error[E0308]: mismatched types
--> $DIR/edition-keywords-2018-2018-parsing.rs:29:33
|
LL | let _recovery_witness: () = 0;
| -- ^ expected `()`, found integer
| |
| expected due to this
error: aborting due to 6 previous errors
For more information about this error, try `rustc --explain E0308`.

4
tests/ui/issues/issue-66706.stderr
View File

@ -24,7 +24,9 @@ error: expected identifier, found reserved identifier `_`
--> $DIR/issue-66706.rs:18:26
|
LL | [0; match [|f @ &ref _| () ] {} ]
| ^ expected identifier, found reserved identifier
| ----- ^ expected identifier, found reserved identifier
| |
| while parsing this `match` expression
error[E0282]: type annotations needed
--> $DIR/issue-66706.rs:2:11

26
tests/ui/parser/issues/issue-104088.stderr
View File

@ -22,30 +22,6 @@ help: identifiers cannot start with a number
LL | let 23name = 123;
| ^^
error: expected identifier, found `2x`
--> $DIR/issue-104088.rs:12:9
|
LL | let 2x: i32 = 123;
| ^^ expected identifier
|
help: identifiers cannot start with a number
--> $DIR/issue-104088.rs:12:9
|
LL | let 2x: i32 = 123;
| ^
error: expected identifier, found `1x`
--> $DIR/issue-104088.rs:15:9
|
LL | let 1x = 123;
| ^^ expected identifier
|
help: identifiers cannot start with a number
--> $DIR/issue-104088.rs:15:9
|
LL | let 1x = 123;
| ^
error[E0308]: mismatched types
--> $DIR/issue-104088.rs:5:12
|
@ -54,6 +30,6 @@ LL | if let 2e1 = 123 {
| |
| expected integer, found floating-point number
error: aborting due to 5 previous errors
error: aborting due to 3 previous errors
For more information about this error, try `rustc --explain E0308`.

40
tests/ui/parser/mut-patterns.stderr
View File

@ -72,43 +72,5 @@ help: escape `become` to use it as an identifier
LL | let mut mut yield(r#become, await) = r#yield(0, 0);
| ++
error: expected identifier, found keyword `await`
--> $DIR/mut-patterns.rs:28:31
|
LL | let mut mut yield(become, await) = r#yield(0, 0);
| ^^^^^ expected identifier, found keyword
|
help: escape `await` to use it as an identifier
|
LL | let mut mut yield(become, r#await) = r#yield(0, 0);
| ++
error: `mut` must be attached to each individual binding
--> $DIR/mut-patterns.rs:28:9
|
LL | let mut mut yield(become, await) = r#yield(0, 0);
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: add `mut` to each binding: `r#yield(mut r#become, mut r#await)`
|
= note: `mut` may be followed by `variable` and `variable @ pattern`
error: `mut` must be attached to each individual binding
--> $DIR/mut-patterns.rs:37:9
|
LL | let mut W(mut a, W(b, W(ref c, W(d, B { box f }))))
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: add `mut` to each binding: `W(mut a, W(mut b, W(ref c, W(mut d, B { box mut f }))))`
|
= note: `mut` may be followed by `variable` and `variable @ pattern`
error: expected identifier, found `x`
--> $DIR/mut-patterns.rs:44:21
|
LL | let mut $p = 0;
| ^^ expected identifier
...
LL | foo!(x);
| ------- in this macro invocation
|
= note: this error originates in the macro `foo` (in Nightly builds, run with -Z macro-backtrace for more info)
error: aborting due to 13 previous errors
error: aborting due to 9 previous errors

45
tests/ui/parser/recover/recover-parens-around-match-arm-head.stderr
View File

@ -1,49 +1,14 @@
error: expected identifier, found keyword `if`
--> $DIR/recover-parens-around-match-arm-head.rs:4:12
|
LL | (0 if true) => {
| ^^ expected identifier, found keyword
error: expected one of `)`, `,`, `...`, `..=`, `..`, or `|`, found keyword `if`
--> $DIR/recover-parens-around-match-arm-head.rs:4:12
|
LL | (0 if true) => {
| -^^ expected one of `)`, `,`, `...`, `..=`, `..`, or `|`
| |
| help: missing `,`
| ^^ expected one of `)`, `,`, `...`, `..=`, `..`, or `|`
error: expected one of `)`, `,`, `@`, or `|`, found keyword `true`
--> $DIR/recover-parens-around-match-arm-head.rs:4:15
error: expected one of `.`, `=>`, `?`, or an operator, found `)`
--> $DIR/recover-parens-around-match-arm-head.rs:4:19
|
LL | (0 if true) => {
| -^^^^ expected one of `)`, `,`, `@`, or `|`
| |
| help: missing `,`
| ^ expected one of `.`, `=>`, `?`, or an operator
error[E0308]: mismatched types
--> $DIR/recover-parens-around-match-arm-head.rs:4:9
|
LL | let x = match val {
| --- this expression has type `{integer}`
LL | (0 if true) => {
| ^^^^^^^^^^^ expected integer, found `(_, _, _)`
|
= note: expected type `{integer}`
found tuple `(_, _, _)`
error: aborting due to 2 previous errors
error[E0308]: mismatched types
--> $DIR/recover-parens-around-match-arm-head.rs:13:19
|
LL | let _y: u32 = x;
| --- ^ expected `u32`, found `u8`
| |
| expected due to this
|
help: you can convert a `u8` to a `u32`
|
LL | let _y: u32 = x.into();
| +++++++
error: aborting due to 5 previous errors
For more information about this error, try `rustc --explain E0308`.

58
tests/ui/self/self_type_keyword.stderr
View File

@ -10,26 +10,6 @@ error: expected identifier, found keyword `Self`
LL | ref Self => (),
| ^^^^ expected identifier, found keyword
error: `mut` must be followed by a named binding
--> $DIR/self_type_keyword.rs:16:9
|
LL | mut Self => (),
| ^^^^ help: remove the `mut` prefix
|
= note: `mut` may be followed by `variable` and `variable @ pattern`
error: expected identifier, found keyword `Self`
--> $DIR/self_type_keyword.rs:19:17
|
LL | ref mut Self => (),
| ^^^^ expected identifier, found keyword
error: expected identifier, found keyword `Self`
--> $DIR/self_type_keyword.rs:23:15
|
LL | Foo { Self } => (),
| ^^^^ expected identifier, found keyword
error: expected identifier, found keyword `Self`
--> $DIR/self_type_keyword.rs:31:26
|
@ -54,24 +34,6 @@ error: lifetimes cannot use keyword names
LL | struct Bar<'Self>;
| ^^^^^
error: cannot find macro `Self` in this scope
--> $DIR/self_type_keyword.rs:21:9
|
LL | Self!() => (),
| ^^^^
error[E0531]: cannot find unit struct, unit variant or constant `Self` in this scope
--> $DIR/self_type_keyword.rs:16:13
|
LL | mut Self => (),
| ^^^^ not found in this scope
|
note: unit struct `foo::Self` exists but is inaccessible
--> $DIR/self_type_keyword.rs:2:3
|
LL | struct Self;
| ^^^^^^^^^^^^ not accessible
error[E0392]: parameter `'Self` is never used
--> $DIR/self_type_keyword.rs:6:12
|
@ -80,22 +42,6 @@ LL | struct Bar<'Self>;
|
= help: consider removing `'Self`, referring to it in a field, or using a marker such as `PhantomData`
error[E0308]: mismatched types
--> $DIR/self_type_keyword.rs:23:9
|
LL | match 15 {
| -- this expression has type `{integer}`
...
LL | Foo { Self } => (),
| ^^^^^^^^^^^^ expected integer, found `Foo`
error: aborting due to 7 previous errors
error[E0026]: struct `Foo` does not have a field named `Self`
--> $DIR/self_type_keyword.rs:23:15
|
LL | Foo { Self } => (),
| ^^^^ struct `Foo` does not have this field
error: aborting due to 14 previous errors
Some errors have detailed explanations: E0026, E0308, E0392, E0531.
For more information about an error, try `rustc --explain E0026`.
For more information about this error, try `rustc --explain E0392`.