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3 files changed, 115 insertions, 0 deletions
diff --git a/src/test/ui/rust-2021/reserved-prefixes-migration.fixed b/src/test/ui/rust-2021/reserved-prefixes-migration.fixed new file mode 100644 index 00000000000..88e7584c197 --- /dev/null +++ b/src/test/ui/rust-2021/reserved-prefixes-migration.fixed @@ -0,0 +1,28 @@ +// check-pass +// run-rustfix +// compile-flags: -Z unstable-options --edition 2018 + +#![warn(reserved_prefix)] + +macro_rules! m2 { + ($a:tt $b:tt) => {}; +} + +macro_rules! m3 { + ($a:tt $b:tt $c:tt) => {}; +} + +fn main() { + m2!(z "hey"); + //~^ WARNING prefix `z` is unknown [reserved_prefix] + //~| WARNING become a hard error + m2!(prefix "hey"); + //~^ WARNING prefix `prefix` is unknown [reserved_prefix] + //~| WARNING become a hard error + m3!(hey #123); + //~^ WARNING prefix `hey` is unknown [reserved_prefix] + //~| WARNING become a hard error + m3!(hey #hey); + //~^ WARNING prefix `hey` is unknown [reserved_prefix] + //~| WARNING become a hard error +} diff --git a/src/test/ui/rust-2021/reserved-prefixes-migration.rs b/src/test/ui/rust-2021/reserved-prefixes-migration.rs new file mode 100644 index 00000000000..ee835eb97a2 --- /dev/null +++ b/src/test/ui/rust-2021/reserved-prefixes-migration.rs @@ -0,0 +1,28 @@ +// check-pass +// run-rustfix +// compile-flags: -Z unstable-options --edition 2018 + +#![warn(reserved_prefix)] + +macro_rules! m2 { + ($a:tt $b:tt) => {}; +} + +macro_rules! m3 { + ($a:tt $b:tt $c:tt) => {}; +} + +fn main() { + m2!(z"hey"); + //~^ WARNING prefix `z` is unknown [reserved_prefix] + //~| WARNING become a hard error + m2!(prefix"hey"); + //~^ WARNING prefix `prefix` is unknown [reserved_prefix] + //~| WARNING become a hard error + m3!(hey#123); + //~^ WARNING prefix `hey` is unknown [reserved_prefix] + //~| WARNING become a hard error + m3!(hey#hey); + //~^ WARNING prefix `hey` is unknown [reserved_prefix] + //~| WARNING become a hard error +} diff --git a/src/test/ui/rust-2021/reserved-prefixes-migration.stderr b/src/test/ui/rust-2021/reserved-prefixes-migration.stderr new file mode 100644 index 00000000000..2c9d94803be --- /dev/null +++ b/src/test/ui/rust-2021/reserved-prefixes-migration.stderr @@ -0,0 +1,59 @@ +warning: prefix `z` is unknown + --> $DIR/reserved-prefixes-migration.rs:16:9 + | +LL | m2!(z"hey"); + | ^ unknown prefix + | +note: the lint level is defined here + --> $DIR/reserved-prefixes-migration.rs:5:9 + | +LL | #![warn(reserved_prefix)] + | ^^^^^^^^^^^^^^^ + = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! + = note: for more information, see issue #84978 <https://github.com/rust-lang/rust/issues/84978> +help: insert whitespace here to avoid this being parsed as a prefix in Rust 2021 + | +LL | m2!(z "hey"); + | -- + +warning: prefix `prefix` is unknown + --> $DIR/reserved-prefixes-migration.rs:19:9 + | +LL | m2!(prefix"hey"); + | ^^^^^^ unknown prefix + | + = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! + = note: for more information, see issue #84978 <https://github.com/rust-lang/rust/issues/84978> +help: insert whitespace here to avoid this being parsed as a prefix in Rust 2021 + | +LL | m2!(prefix "hey"); + | -- + +warning: prefix `hey` is unknown + --> $DIR/reserved-prefixes-migration.rs:22:9 + | +LL | m3!(hey#123); + | ^^^ unknown prefix + | + = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! + = note: for more information, see issue #84978 <https://github.com/rust-lang/rust/issues/84978> +help: insert whitespace here to avoid this being parsed as a prefix in Rust 2021 + | +LL | m3!(hey #123); + | -- + +warning: prefix `hey` is unknown + --> $DIR/reserved-prefixes-migration.rs:25:9 + | +LL | m3!(hey#hey); + | ^^^ unknown prefix + | + = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! + = note: for more information, see issue #84978 <https://github.com/rust-lang/rust/issues/84978> +help: insert whitespace here to avoid this being parsed as a prefix in Rust 2021 + | +LL | m3!(hey #hey); + | -- + +warning: 4 warnings emitted + |