diff --git a/src/test/ui/macros/macro-pat-pattern-followed-by-or-in-2021.rs b/src/test/ui/macros/macro-pat-pattern-followed-by-or-in-2021.rs new file mode 100644 index 0000000000000..f5a97eca21bdb --- /dev/null +++ b/src/test/ui/macros/macro-pat-pattern-followed-by-or-in-2021.rs @@ -0,0 +1,20 @@ +// edition:2021 +#![allow(unused_macros)] +macro_rules! foo { ($x:pat | $y:pat) => {} } //~ ERROR `$x:pat` is followed by `|`, which is not allowed for `pat` fragments +macro_rules! bar { ($($x:pat)+ | $($y:pat)+) => {} } //~ ERROR `$x:pat` is followed by `|`, which is not allowed for `pat` fragments +macro_rules! qux { ($x:pat, $y:pat) => {} } // should be ok +macro_rules! match_any { + ( $expr:expr , $( $( $pat:pat )|+ => $expr_arm:expr ),+ ) => { //~ ERROR `$pat:pat` may be followed by `|`, which is not allowed for `pat` fragments + match $expr { + $( + $( $pat => $expr_arm, )+ + )+ + } + }; +} + +fn main() { + let result: Result = Err(42); + let int: i64 = match_any!(result, Ok(i) | Err(i) => i.into()); + assert_eq!(int, 42); +} diff --git a/src/test/ui/macros/macro-pat-pattern-followed-by-or-in-2021.stderr b/src/test/ui/macros/macro-pat-pattern-followed-by-or-in-2021.stderr new file mode 100644 index 0000000000000..a5987a25551d2 --- /dev/null +++ b/src/test/ui/macros/macro-pat-pattern-followed-by-or-in-2021.stderr @@ -0,0 +1,26 @@ +error: `$x:pat` is followed by `|`, which is not allowed for `pat` fragments + --> $DIR/macro-pat-pattern-followed-by-or-in-2021.rs:3:28 + | +LL | macro_rules! foo { ($x:pat | $y:pat) => {} } + | ^ not allowed after `pat` fragments + | + = note: allowed there are: `=>`, `,`, `=`, `if` or `in` + +error: `$x:pat` is followed by `|`, which is not allowed for `pat` fragments + --> $DIR/macro-pat-pattern-followed-by-or-in-2021.rs:4:32 + | +LL | macro_rules! bar { ($($x:pat)+ | $($y:pat)+) => {} } + | ^ not allowed after `pat` fragments + | + = note: allowed there are: `=>`, `,`, `=`, `if` or `in` + +error: `$pat:pat` may be followed by `|`, which is not allowed for `pat` fragments + --> $DIR/macro-pat-pattern-followed-by-or-in-2021.rs:7:36 + | +LL | ( $expr:expr , $( $( $pat:pat )|+ => $expr_arm:expr ),+ ) => { + | ^ not allowed after `pat` fragments + | + = note: allowed there are: `=>`, `,`, `=`, `if` or `in` + +error: aborting due to 3 previous errors + diff --git a/src/test/ui/macros/macro-pat-pattern-followed-by-or.rs b/src/test/ui/macros/macro-pat-pattern-followed-by-or.rs new file mode 100644 index 0000000000000..54bd13d7ebce8 --- /dev/null +++ b/src/test/ui/macros/macro-pat-pattern-followed-by-or.rs @@ -0,0 +1,20 @@ +// run-pass +#![allow(unused_macros)] +macro_rules! foo { ($x:pat | $y:pat) => {} } // should be ok +macro_rules! bar { ($($x:pat)+ | $($y:pat)+) => {} } // should be ok +macro_rules! qux { ($x:pat, $y:pat) => {} } // should be ok +macro_rules! match_any { + ( $expr:expr , $( $( $pat:pat )|+ => $expr_arm:expr ),+ ) => { // should be ok + match $expr { + $( + $( $pat => $expr_arm, )+ + )+ + } + }; +} + +fn main() { + let result: Result = Err(42); + let int: i64 = match_any!(result, Ok(i) | Err(i) => i.into()); + assert_eq!(int, 42); +} diff --git a/src/test/ui/macros/macro-pat2021-pattern-followed-by-or.rs b/src/test/ui/macros/macro-pat2021-pattern-followed-by-or.rs new file mode 100644 index 0000000000000..edd3f3e7646b8 --- /dev/null +++ b/src/test/ui/macros/macro-pat2021-pattern-followed-by-or.rs @@ -0,0 +1,21 @@ +#![feature(edition_macro_pats)] +#![allow(unused_macros)] +macro_rules! foo { ($x:pat2021 | $y:pat2021) => {} } //~ ERROR `$x:pat2021` is followed by `|`, which is not allowed for `pat2021` fragments +macro_rules! baz { ($x:pat2015 | $y:pat2015) => {} } // should be ok +macro_rules! qux { ($x:pat2015 | $y:pat2021) => {} } // should be ok +macro_rules! ogg { ($x:pat2021 | $y:pat2015) => {} } //~ ERROR `$x:pat2021` is followed by `|`, which is not allowed for `pat2021` fragments +macro_rules! match_any { + ( $expr:expr , $( $( $pat:pat2021 )|+ => $expr_arm:pat2021 ),+ ) => { //~ ERROR `$pat:pat2021` may be followed by `|`, which is not allowed for `pat2021` fragments + match $expr { + $( + $( $pat => $expr_arm, )+ + )+ + } + }; +} + +fn main() { + let result: Result = Err(42); + let int: i64 = match_any!(result, Ok(i) | Err(i) => i.into()); + assert_eq!(int, 42); +} diff --git a/src/test/ui/macros/macro-pat2021-pattern-followed-by-or.stderr b/src/test/ui/macros/macro-pat2021-pattern-followed-by-or.stderr new file mode 100644 index 0000000000000..fe0b40cd86e12 --- /dev/null +++ b/src/test/ui/macros/macro-pat2021-pattern-followed-by-or.stderr @@ -0,0 +1,26 @@ +error: `$x:pat2021` is followed by `|`, which is not allowed for `pat2021` fragments + --> $DIR/macro-pat2021-pattern-followed-by-or.rs:3:32 + | +LL | macro_rules! foo { ($x:pat2021 | $y:pat2021) => {} } + | ^ not allowed after `pat2021` fragments + | + = note: allowed there are: `=>`, `,`, `=`, `if` or `in` + +error: `$x:pat2021` is followed by `|`, which is not allowed for `pat2021` fragments + --> $DIR/macro-pat2021-pattern-followed-by-or.rs:6:32 + | +LL | macro_rules! ogg { ($x:pat2021 | $y:pat2015) => {} } + | ^ not allowed after `pat2021` fragments + | + = note: allowed there are: `=>`, `,`, `=`, `if` or `in` + +error: `$pat:pat2021` may be followed by `|`, which is not allowed for `pat2021` fragments + --> $DIR/macro-pat2021-pattern-followed-by-or.rs:8:40 + | +LL | ( $expr:expr , $( $( $pat:pat2021 )|+ => $expr_arm:pat2021 ),+ ) => { + | ^ not allowed after `pat2021` fragments + | + = note: allowed there are: `=>`, `,`, `=`, `if` or `in` + +error: aborting due to 3 previous errors +