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Rename reserved_prefix lint to reserved_prefixes

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This commit is contained in:
Ryan Levick 2021-06-29 17:20:22 +02:00
parent ecca9a8b1a
commit 6c87772e3c
5 changed files with 20 additions and 20 deletions
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8
compiler/rustc_lint_defs/src/builtin.rs
View File

@ -2973,7 +2973,7 @@ declare_lint_pass! {
RUST_2021_INCOMPATIBLE_OR_PATTERNS,
LARGE_ASSIGNMENTS,
FUTURE_PRELUDE_COLLISIONS,
RESERVED_PREFIX,
RESERVED_PREFIXES,
UNSUPPORTED_CALLING_CONVENTIONS,
]
}
@ -3270,13 +3270,13 @@ declare_lint! {
}
declare_lint! {
/// The `reserved_prefix` lint detects identifiers that will be parsed as a
/// The `reserved_prefixes` lint detects identifiers that will be parsed as a
/// prefix instead in Rust 2021.
///
/// ### Example
///
/// ```rust,compile_fail
/// #![deny(reserved_prefix)]
/// #![deny(reserved_prefixes)]
///
/// macro_rules! m {
/// (z $x:expr) => ();
@ -3295,7 +3295,7 @@ declare_lint! {
///
/// This lint suggests to add whitespace between the `z` and `"hey"` tokens
/// to keep them separated in Rust 2021.
pub RESERVED_PREFIX,
pub RESERVED_PREFIXES,
Allow,
"identifiers that will be parsed as a prefix in Rust 2021",
@future_incompatible = FutureIncompatibleInfo {

4
compiler/rustc_parse/src/lexer/mod.rs
View File

@ -4,7 +4,7 @@ use rustc_ast::tokenstream::{Spacing, TokenStream};
use rustc_errors::{error_code, Applicability, DiagnosticBuilder, FatalError, PResult};
use rustc_lexer::unescape::{self, Mode};
use rustc_lexer::{Base, DocStyle, RawStrError};
use rustc_session::lint::builtin::RESERVED_PREFIX;
use rustc_session::lint::builtin::RESERVED_PREFIXES;
use rustc_session::lint::BuiltinLintDiagnostics;
use rustc_session::parse::ParseSess;
use rustc_span::symbol::{sym, Symbol};
@ -526,7 +526,7 @@ impl<'a> StringReader<'a> {
} else {
// Before Rust 2021, only emit a lint for migration.
self.sess.buffer_lint_with_diagnostic(
&RESERVED_PREFIX,
&RESERVED_PREFIXES,
prefix_span,
ast::CRATE_NODE_ID,
&msg,

12
src/test/ui/rust-2021/reserved-prefixes-migration.fixed
View File

@ -2,7 +2,7 @@
// run-rustfix
// compile-flags: -Z unstable-options --edition 2018
#![warn(reserved_prefix)]
#![warn(reserved_prefixes)]
macro_rules! m2 {
($a:tt $b:tt) => {};
@ -14,16 +14,16 @@ macro_rules! m3 {
fn main() {
m2!(z "hey");
//~^ WARNING prefix `z` is unknown [reserved_prefix]
//~^ WARNING prefix `z` is unknown [reserved_prefixes]
//~| WARNING hard error in Rust 2021
m2!(prefix "hey");
//~^ WARNING prefix `prefix` is unknown [reserved_prefix]
//~^ WARNING prefix `prefix` is unknown [reserved_prefixes]
//~| WARNING hard error in Rust 2021
m3!(hey #123);
//~^ WARNING prefix `hey` is unknown [reserved_prefix]
//~^ WARNING prefix `hey` is unknown [reserved_prefixes]
//~| WARNING hard error in Rust 2021
m3!(hey #hey);
//~^ WARNING prefix `hey` is unknown [reserved_prefix]
//~^ WARNING prefix `hey` is unknown [reserved_prefixes]
//~| WARNING hard error in Rust 2021
}
@ -33,6 +33,6 @@ macro_rules! quote {
quote! {
#name = #kind #value
//~^ WARNING prefix `kind` is unknown [reserved_prefix]
//~^ WARNING prefix `kind` is unknown [reserved_prefixes]
//~| WARNING hard error in Rust 2021
}

12
src/test/ui/rust-2021/reserved-prefixes-migration.rs
View File

@ -2,7 +2,7 @@
// run-rustfix
// compile-flags: -Z unstable-options --edition 2018
#![warn(reserved_prefix)]
#![warn(reserved_prefixes)]
macro_rules! m2 {
($a:tt $b:tt) => {};
@ -14,16 +14,16 @@ macro_rules! m3 {
fn main() {
m2!(z"hey");
//~^ WARNING prefix `z` is unknown [reserved_prefix]
//~^ WARNING prefix `z` is unknown [reserved_prefixes]
//~| WARNING hard error in Rust 2021
m2!(prefix"hey");
//~^ WARNING prefix `prefix` is unknown [reserved_prefix]
//~^ WARNING prefix `prefix` is unknown [reserved_prefixes]
//~| WARNING hard error in Rust 2021
m3!(hey#123);
//~^ WARNING prefix `hey` is unknown [reserved_prefix]
//~^ WARNING prefix `hey` is unknown [reserved_prefixes]
//~| WARNING hard error in Rust 2021
m3!(hey#hey);
//~^ WARNING prefix `hey` is unknown [reserved_prefix]
//~^ WARNING prefix `hey` is unknown [reserved_prefixes]
//~| WARNING hard error in Rust 2021
}
@ -33,6 +33,6 @@ macro_rules! quote {
quote! {
#name = #kind#value
//~^ WARNING prefix `kind` is unknown [reserved_prefix]
//~^ WARNING prefix `kind` is unknown [reserved_prefixes]
//~| WARNING hard error in Rust 2021
}

4
src/test/ui/rust-2021/reserved-prefixes-migration.stderr
View File

@ -7,8 +7,8 @@ LL | m2!(z"hey");
note: the lint level is defined here
--> $DIR/reserved-prefixes-migration.rs:5:9
|
LL | #![warn(reserved_prefix)]
| ^^^^^^^^^^^^^^^
LL | #![warn(reserved_prefixes)]
| ^^^^^^^^^^^^^^^^^
= warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
= 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