nordic-dev.net/rust
nordic-dev.net/rust
2
0
Fork 0
mirror of https://github.com/rust-lang/rust.git synced 2025-02-21 19:33:16 +00:00
Code Issues Packages Projects Releases Wiki Activity

Stabilize $$ in Rust 1.63.0

Browse Source
This commit is contained in:
Caio 2022-06-07 21:50:45 -03:00
parent b17e9d76f2
commit 9edaa76adc
4 changed files with 19 additions and 57 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
compiler/rustc_expand/src/mbe/quoted.rs
View File

@ -234,8 +234,6 @@ fn parse_tree(
sess,
&Token { kind: token::Dollar, span },
);
} else {
maybe_emit_macro_metavar_expr_feature(features, sess, span);
}
TokenTree::token(token::Dollar, span)
}

12
src/test/ui/macros/rfc-3086-metavar-expr/allowed-features.rs Normal file
View File

@ -0,0 +1,12 @@
// check-pass
macro_rules! dollar_dollar {
() => {
macro_rules! bar {
( $$( $$any:tt )* ) => { $$( $$any )* };
}
};
}
fn main() {
}

12
src/test/ui/macros/rfc-3086-metavar-expr/required-feature.rs → src/test/ui/macros/rfc-3086-metavar-expr/required-features.rs
View File

@ -5,18 +5,6 @@ macro_rules! count {
};
}
macro_rules! dollar_dollar {
() => {
macro_rules! bar {
( $$( $$any:tt )* ) => { $$( $$any )* };
//~^ ERROR meta-variable expressions are unstable
//~| ERROR meta-variable expressions are unstable
//~| ERROR meta-variable expressions are unstable
//~| ERROR meta-variable expressions are unstable
}
};
}
macro_rules! index {
( $( $e:stmt ),* ) => {
$( ${ignore(e)} ${index()} )*

50
src/test/ui/macros/rfc-3086-metavar-expr/required-feature.stderr → src/test/ui/macros/rfc-3086-metavar-expr/required-features.stderr
View File

@ -1,5 +1,5 @@
error[E0658]: meta-variable expressions are unstable
--> $DIR/required-feature.rs:3:10
--> $DIR/required-features.rs:3:10
|
LL | ${ count(e) }
| ^^^^^^^^^^^^
@ -8,43 +8,7 @@ LL | ${ count(e) }
= help: add `#![feature(macro_metavar_expr)]` to the crate attributes to enable
error[E0658]: meta-variable expressions are unstable
--> $DIR/required-feature.rs:11:16
|
LL | ( $$( $$any:tt )* ) => { $$( $$any )* };
| ^
|
= note: see issue #83527 <https://github.com/rust-lang/rust/issues/83527> for more information
= help: add `#![feature(macro_metavar_expr)]` to the crate attributes to enable
error[E0658]: meta-variable expressions are unstable
--> $DIR/required-feature.rs:11:20
|
LL | ( $$( $$any:tt )* ) => { $$( $$any )* };
| ^
|
= note: see issue #83527 <https://github.com/rust-lang/rust/issues/83527> for more information
= help: add `#![feature(macro_metavar_expr)]` to the crate attributes to enable
error[E0658]: meta-variable expressions are unstable
--> $DIR/required-feature.rs:11:39
|
LL | ( $$( $$any:tt )* ) => { $$( $$any )* };
| ^
|
= note: see issue #83527 <https://github.com/rust-lang/rust/issues/83527> for more information
= help: add `#![feature(macro_metavar_expr)]` to the crate attributes to enable
error[E0658]: meta-variable expressions are unstable
--> $DIR/required-feature.rs:11:43
|
LL | ( $$( $$any:tt )* ) => { $$( $$any )* };
| ^
|
= note: see issue #83527 <https://github.com/rust-lang/rust/issues/83527> for more information
= help: add `#![feature(macro_metavar_expr)]` to the crate attributes to enable
error[E0658]: meta-variable expressions are unstable
--> $DIR/required-feature.rs:22:13
--> $DIR/required-features.rs:10:13
|
LL | $( ${ignore(e)} ${index()} )*
| ^^^^^^^^^^^
@ -53,7 +17,7 @@ LL | $( ${ignore(e)} ${index()} )*
= help: add `#![feature(macro_metavar_expr)]` to the crate attributes to enable
error[E0658]: meta-variable expressions are unstable
--> $DIR/required-feature.rs:22:26
--> $DIR/required-features.rs:10:26
|
LL | $( ${ignore(e)} ${index()} )*
| ^^^^^^^^^
@ -62,7 +26,7 @@ LL | $( ${ignore(e)} ${index()} )*
= help: add `#![feature(macro_metavar_expr)]` to the crate attributes to enable
error[E0658]: meta-variable expressions are unstable
--> $DIR/required-feature.rs:30:19
--> $DIR/required-features.rs:18:19
|
LL | 0 $( + 1 ${ignore(i)} )*
| ^^^^^^^^^^^
@ -71,7 +35,7 @@ LL | 0 $( + 1 ${ignore(i)} )*
= help: add `#![feature(macro_metavar_expr)]` to the crate attributes to enable
error[E0658]: meta-variable expressions are unstable
--> $DIR/required-feature.rs:37:13
--> $DIR/required-features.rs:25:13
|
LL | $( ${ignore(e)} ${length()} )*
| ^^^^^^^^^^^
@ -80,7 +44,7 @@ LL | $( ${ignore(e)} ${length()} )*
= help: add `#![feature(macro_metavar_expr)]` to the crate attributes to enable
error[E0658]: meta-variable expressions are unstable
--> $DIR/required-feature.rs:37:26
--> $DIR/required-features.rs:25:26
|
LL | $( ${ignore(e)} ${length()} )*
| ^^^^^^^^^^
@ -88,6 +52,6 @@ LL | $( ${ignore(e)} ${length()} )*
= note: see issue #83527 <https://github.com/rust-lang/rust/issues/83527> for more information
= help: add `#![feature(macro_metavar_expr)]` to the crate attributes to enable
error: aborting due to 10 previous errors
error: aborting due to 6 previous errors
For more information about this error, try `rustc --explain E0658`.