parser_fn_front_matter: allow const .. extern
This commit is contained in:
Mazdak Farrokhzad
parent
c30f068dc8
commit
36a17e4067
7 changed files with 106 additions and 109 deletions
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@ -6,6 +6,5 @@ trait T {
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});
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//~^ ERROR expected one of `async`
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//~| ERROR expected one of `.`, `;`, `?`, `else`, or an operator, found `}`
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//~| ERROR expected identifier, found `;`
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Some(4)
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}
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@ -13,11 +13,5 @@ LL | let _ = if true {
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LL | });
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| ^ help: `}` may belong here
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error: expected identifier, found `;`
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--> $DIR/issue-60075.rs:6:11
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LL | });
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| ^ expected identifier
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error: aborting due to 3 previous errors
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error: aborting due to 2 previous errors
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@ -18,9 +18,9 @@ fn main() {
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unsafe fn ft2(); // OK.
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const fn ft3(); //~ ERROR trait fns cannot be declared const
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extern "C" fn ft4(); // OK.
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/* const */ async unsafe extern "C" fn ft5();
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const async unsafe extern "C" fn ft5();
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//~^ ERROR trait fns cannot be declared `async`
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//^ FIXME(Centril): `const` should be legal syntactically, ensure it's illegal semantically.
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//~| ERROR trait fns cannot be declared const
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}
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struct Y;
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@ -30,10 +30,10 @@ fn main() {
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unsafe fn ft2() {} // OK.
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const fn ft3() {} //~ ERROR trait fns cannot be declared const
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extern "C" fn ft4() {}
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/* const */ async unsafe extern "C" fn ft5() {}
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const async unsafe extern "C" fn ft5() {}
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//~^ ERROR trait fns cannot be declared `async`
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//~| ERROR trait fns cannot be declared const
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//~| ERROR method `ft5` has an incompatible type for trait
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//^ FIXME(Centril): `const` should be legal syntactically, ensure it's illegal semantically.
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}
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impl Y {
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@ -41,8 +41,7 @@ fn main() {
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unsafe fn fi2() {} // OK.
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const fn fi3() {} // OK.
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extern "C" fn fi4() {} // OK.
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/* const */ async unsafe extern "C" fn fi5() {} // OK.
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//^ FIXME(Centril): `const` should be legal syntactically, ensure it's illegal semantically.
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const async unsafe extern "C" fn fi5() {} // OK.
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}
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extern {
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@ -50,8 +49,6 @@ fn main() {
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unsafe fn fe2(); //~ ERROR functions in `extern` blocks cannot have qualifiers
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const fn fe3(); //~ ERROR functions in `extern` blocks cannot have qualifiers
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extern "C" fn fe4(); //~ ERROR functions in `extern` blocks cannot have qualifiers
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/* const */ async unsafe extern "C" fn fe5();
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//~^ ERROR functions in `extern` blocks cannot have qualifiers
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//^ FIXME(Centril): `const` should be legal syntactically, ensure it's illegal semantically.
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const async unsafe extern "C" fn fe5(); //~ ERROR functions in `extern` blocks
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}
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}
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@ -15,13 +15,19 @@ error[E0379]: trait fns cannot be declared const
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LL | const fn ft3();
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| ^^^^^ trait fns cannot be const
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error[E0706]: trait fns cannot be declared `async`
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--> $DIR/fn-header-semantic-fail.rs:21:21
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error[E0379]: trait fns cannot be declared const
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--> $DIR/fn-header-semantic-fail.rs:21:9
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LL | /* const */ async unsafe extern "C" fn ft5();
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| -----^^^^^^^^^^^^^^^^^^^^^^^^^^^^
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| |
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| `async` because of this
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LL | const async unsafe extern "C" fn ft5();
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| ^^^^^ trait fns cannot be const
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error[E0706]: trait fns cannot be declared `async`
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--> $DIR/fn-header-semantic-fail.rs:21:9
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LL | const async unsafe extern "C" fn ft5();
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| ^^^^^^-----^^^^^^^^^^^^^^^^^^^^^^^^^^^^
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| |
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| `async` because of this
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= note: `async` trait functions are not currently supported
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= note: consider using the `async-trait` crate: https://crates.io/crates/async-trait
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@ -43,19 +49,25 @@ error[E0379]: trait fns cannot be declared const
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LL | const fn ft3() {}
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| ^^^^^ trait fns cannot be const
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error[E0706]: trait fns cannot be declared `async`
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--> $DIR/fn-header-semantic-fail.rs:33:21
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error[E0379]: trait fns cannot be declared const
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--> $DIR/fn-header-semantic-fail.rs:33:9
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LL | /* const */ async unsafe extern "C" fn ft5() {}
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| -----^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
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| |
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| `async` because of this
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LL | const async unsafe extern "C" fn ft5() {}
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| ^^^^^ trait fns cannot be const
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error[E0706]: trait fns cannot be declared `async`
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--> $DIR/fn-header-semantic-fail.rs:33:9
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LL | const async unsafe extern "C" fn ft5() {}
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| ^^^^^^-----^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
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| |
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| `async` because of this
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= note: `async` trait functions are not currently supported
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= note: consider using the `async-trait` crate: https://crates.io/crates/async-trait
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error: functions in `extern` blocks cannot have qualifiers
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--> $DIR/fn-header-semantic-fail.rs:49:18
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--> $DIR/fn-header-semantic-fail.rs:48:18
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LL | extern {
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| ------ in this `extern` block
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@ -65,7 +77,7 @@ LL | async fn fe1();
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| help: remove the qualifiers: `fn`
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error: functions in `extern` blocks cannot have qualifiers
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--> $DIR/fn-header-semantic-fail.rs:50:19
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--> $DIR/fn-header-semantic-fail.rs:49:19
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LL | extern {
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| ------ in this `extern` block
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@ -76,7 +88,7 @@ LL | unsafe fn fe2();
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| help: remove the qualifiers: `fn`
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error: functions in `extern` blocks cannot have qualifiers
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--> $DIR/fn-header-semantic-fail.rs:51:18
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--> $DIR/fn-header-semantic-fail.rs:50:18
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LL | extern {
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| ------ in this `extern` block
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@ -87,7 +99,7 @@ LL | const fn fe3();
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| help: remove the qualifiers: `fn`
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error: functions in `extern` blocks cannot have qualifiers
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--> $DIR/fn-header-semantic-fail.rs:52:23
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--> $DIR/fn-header-semantic-fail.rs:51:23
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LL | extern {
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| ------ in this `extern` block
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@ -98,15 +110,15 @@ LL | extern "C" fn fe4();
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| help: remove the qualifiers: `fn`
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error: functions in `extern` blocks cannot have qualifiers
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--> $DIR/fn-header-semantic-fail.rs:53:48
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--> $DIR/fn-header-semantic-fail.rs:52:42
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LL | extern {
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| ------ in this `extern` block
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...
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LL | /* const */ async unsafe extern "C" fn fe5();
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| ---------------------------^^^
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| |
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| help: remove the qualifiers: `fn`
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LL | const async unsafe extern "C" fn fe5();
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| ---------------------------------^^^
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| |
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| help: remove the qualifiers: `fn`
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error[E0053]: method `ft1` has an incompatible type for trait
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--> $DIR/fn-header-semantic-fail.rs:28:24
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@ -124,21 +136,21 @@ LL | async fn ft1() {}
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found fn pointer `fn() -> impl std::future::Future`
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error[E0053]: method `ft5` has an incompatible type for trait
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--> $DIR/fn-header-semantic-fail.rs:33:54
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--> $DIR/fn-header-semantic-fail.rs:33:48
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LL | /* const */ async unsafe extern "C" fn ft5();
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| - type in trait
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LL | const async unsafe extern "C" fn ft5();
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| - type in trait
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...
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LL | /* const */ async unsafe extern "C" fn ft5() {}
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| ^
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| |
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| the `Output` of this `async fn`'s found opaque type
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| expected `()`, found opaque type
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LL | const async unsafe extern "C" fn ft5() {}
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| ^
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| |
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| the `Output` of this `async fn`'s found opaque type
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| expected `()`, found opaque type
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= note: expected fn pointer `unsafe extern "C" fn()`
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found fn pointer `unsafe extern "C" fn() -> impl std::future::Future`
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error: aborting due to 13 previous errors
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error: aborting due to 15 previous errors
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Some errors have detailed explanations: E0053, E0379, E0706.
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For more information about an error, try `rustc --explain E0053`.
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@ -22,8 +22,7 @@ fn syntax() {
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unsafe fn f();
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const fn f();
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extern "C" fn f();
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/* const */ async unsafe extern "C" fn f();
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//^ FIXME(Centril): `const` should be legal syntactically.
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const async unsafe extern "C" fn f();
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}
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impl X for Y {
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@ -31,8 +30,7 @@ fn syntax() {
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unsafe fn f();
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const fn f();
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extern "C" fn f();
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/* const */ async unsafe extern "C" fn f();
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//^ FIXME(Centril): `const` should be legal syntactically.
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const async unsafe extern "C" fn f();
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}
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impl Y {
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@ -40,8 +38,7 @@ fn syntax() {
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unsafe fn f();
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const fn f();
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extern "C" fn f();
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/* const */ async unsafe extern "C" fn f();
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//^ FIXME(Centril): `const` should be legal syntactically.
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const async unsafe extern "C" fn f();
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}
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extern {
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@ -49,7 +46,6 @@ fn syntax() {
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unsafe fn f();
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const fn f();
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extern "C" fn f();
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/* const */ async unsafe extern "C" fn f();
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//^ FIXME(Centril): `const` should be legal syntactically.
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const async unsafe extern "C" fn f();
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}
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}
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