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Update test results

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Signed-off-by: Jonathan Brouwer <jonathantbrouwer@gmail.com>
This commit is contained in:
Jonathan Brouwer 2025-07-07 20:48:51 +02:00
parent ec637000c6
commit fea7809edb
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GPG key ID: F13E55D38C971DEF
11 changed files with 278 additions and 166 deletions
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45
tests/ui/attributes/malformed-attrs.stderr
View file

@ -43,12 +43,6 @@ error: malformed `no_sanitize` attribute input
LL | #[no_sanitize]
| ^^^^^^^^^^^^^^ help: must be of the form: `#[no_sanitize(address, kcfi, memory, thread)]`
error: malformed `proc_macro` attribute input
--> $DIR/malformed-attrs.rs:100:1
|
LL | #[proc_macro = 18]
| ^^^^^^^^^^^^^^^^^^ help: must be of the form: `#[proc_macro]`
error: malformed `instruction_set` attribute input
--> $DIR/malformed-attrs.rs:107:1
|
@ -67,18 +61,6 @@ error: malformed `coroutine` attribute input
LL | #[coroutine = 63] || {}
| ^^^^^^^^^^^^^^^^^ help: must be of the form: `#[coroutine]`
error: malformed `proc_macro_attribute` attribute input
--> $DIR/malformed-attrs.rs:117:1
|
LL | #[proc_macro_attribute = 19]
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: must be of the form: `#[proc_macro_attribute]`
error: malformed `proc_macro_derive` attribute input
--> $DIR/malformed-attrs.rs:124:1
|
LL | #[proc_macro_derive]
| ^^^^^^^^^^^^^^^^^^^^ help: must be of the form: `#[proc_macro_derive(TraitName, /*opt*/ attributes(name1, name2, ...))]`
error: malformed `must_not_suspend` attribute input
--> $DIR/malformed-attrs.rs:133:1
|
@ -454,6 +436,24 @@ LL | #[no_implicit_prelude = 23]
| | didn't expect any arguments here
| help: must be of the form: `#[no_implicit_prelude]`
error[E0565]: malformed `proc_macro` attribute input
--> $DIR/malformed-attrs.rs:100:1
|
LL | #[proc_macro = 18]
| ^^^^^^^^^^^^^----^
| | |
| | didn't expect any arguments here
| help: must be of the form: `#[proc_macro]`
error[E0565]: malformed `proc_macro_attribute` attribute input
--> $DIR/malformed-attrs.rs:117:1
|
LL | #[proc_macro_attribute = 19]
| ^^^^^^^^^^^^^^^^^^^^^^^----^
| | |
| | didn't expect any arguments here
| help: must be of the form: `#[proc_macro_attribute]`
error[E0539]: malformed `must_use` attribute input
--> $DIR/malformed-attrs.rs:120:1
|
@ -471,6 +471,15 @@ LL - #[must_use = 1]
LL + #[must_use]
|
error[E0539]: malformed `proc_macro_derive` attribute input
--> $DIR/malformed-attrs.rs:124:1
|
LL | #[proc_macro_derive]
| ^^^^^^^^^^^^^^^^^^^^
| |
| expected this to be a list
| help: must be of the form: `#[proc_macro_derive(TraitName, /*opt*/ attributes(name1, name2, ...))]`
error[E0539]: malformed `rustc_layout_scalar_valid_range_start` attribute input
--> $DIR/malformed-attrs.rs:129:1
|

1
tests/ui/attributes/unsafe/proc-unsafe-attributes.rs
View file

@ -12,6 +12,7 @@ pub fn b() {}
#[proc_macro_derive(unsafe(Foo))]
//~^ ERROR attribute is only usable with crates of the `proc-macro` crate type
//~| ERROR: expected identifier, found keyword `unsafe`
//~| ERROR malformed `proc_macro_derive` attribute input
pub fn c() {}
#[unsafe(proc_macro_attribute)]

50
tests/ui/attributes/unsafe/proc-unsafe-attributes.stderr
View file

@ -1,11 +1,11 @@
error[E0452]: malformed lint attribute input
--> $DIR/proc-unsafe-attributes.rs:26:16
--> $DIR/proc-unsafe-attributes.rs:27:16
|
LL | #[unsafe(allow(unsafe(dead_code)))]
| ^^^^^^^^^^^^^^^^^ bad attribute argument
error[E0452]: malformed lint attribute input
--> $DIR/proc-unsafe-attributes.rs:26:16
--> $DIR/proc-unsafe-attributes.rs:27:16
|
LL | #[unsafe(allow(unsafe(dead_code)))]
| ^^^^^^^^^^^^^^^^^ bad attribute argument
@ -40,7 +40,7 @@ LL | #[proc_macro_derive(r#unsafe(Foo))]
| ++
error: `proc_macro_attribute` is not an unsafe attribute
--> $DIR/proc-unsafe-attributes.rs:17:3
--> $DIR/proc-unsafe-attributes.rs:18:3
|
LL | #[unsafe(proc_macro_attribute)]
| ^^^^^^ this is not an unsafe attribute
@ -48,7 +48,7 @@ LL | #[unsafe(proc_macro_attribute)]
= note: extraneous unsafe is not allowed in attributes
error: `allow` is not an unsafe attribute
--> $DIR/proc-unsafe-attributes.rs:22:3
--> $DIR/proc-unsafe-attributes.rs:23:3
|
LL | #[unsafe(allow(dead_code))]
| ^^^^^^ this is not an unsafe attribute
@ -56,7 +56,7 @@ LL | #[unsafe(allow(dead_code))]
= note: extraneous unsafe is not allowed in attributes
error: `allow` is not an unsafe attribute
--> $DIR/proc-unsafe-attributes.rs:26:3
--> $DIR/proc-unsafe-attributes.rs:27:3
|
LL | #[unsafe(allow(unsafe(dead_code)))]
| ^^^^^^ this is not an unsafe attribute
@ -64,7 +64,7 @@ LL | #[unsafe(allow(unsafe(dead_code)))]
= note: extraneous unsafe is not allowed in attributes
error: expected identifier, found keyword `unsafe`
--> $DIR/proc-unsafe-attributes.rs:26:16
--> $DIR/proc-unsafe-attributes.rs:27:16
|
LL | #[unsafe(allow(unsafe(dead_code)))]
| ^^^^^^ expected identifier, found keyword
@ -93,13 +93,13 @@ LL | #[proc_macro_derive(unsafe(Foo))]
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
error: the `#[proc_macro_attribute]` attribute is only usable with crates of the `proc-macro` crate type
--> $DIR/proc-unsafe-attributes.rs:17:1
--> $DIR/proc-unsafe-attributes.rs:18:1
|
LL | #[unsafe(proc_macro_attribute)]
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
error[E0452]: malformed lint attribute input
--> $DIR/proc-unsafe-attributes.rs:26:16
--> $DIR/proc-unsafe-attributes.rs:27:16
|
LL | #[unsafe(allow(unsafe(dead_code)))]
| ^^^^^^^^^^^^^^^^^ bad attribute argument
@ -107,7 +107,24 @@ LL | #[unsafe(allow(unsafe(dead_code)))]
= note: duplicate diagnostic emitted due to `-Z deduplicate-diagnostics=no`
error[E0452]: malformed lint attribute input
--> $DIR/proc-unsafe-attributes.rs:26:16
--> $DIR/proc-unsafe-attributes.rs:27:16
|
LL | #[unsafe(allow(unsafe(dead_code)))]
| ^^^^^^^^^^^^^^^^^ bad attribute argument
|
= note: duplicate diagnostic emitted due to `-Z deduplicate-diagnostics=no`
error[E0565]: malformed `proc_macro_derive` attribute input
--> $DIR/proc-unsafe-attributes.rs:12:1
|
LL | #[proc_macro_derive(unsafe(Foo))]
| ^^^^^^^^^^^^^^^^^^^^^^^^^^-----^^
| | |
| | didn't expect any arguments here
| help: must be of the form: `#[proc_macro_derive(TraitName, /*opt*/ attributes(name1, name2, ...))]`
error[E0452]: malformed lint attribute input
--> $DIR/proc-unsafe-attributes.rs:27:16
|
LL | #[unsafe(allow(unsafe(dead_code)))]
| ^^^^^^^^^^^^^^^^^ bad attribute argument
@ -115,21 +132,14 @@ LL | #[unsafe(allow(unsafe(dead_code)))]
= note: duplicate diagnostic emitted due to `-Z deduplicate-diagnostics=no`
error[E0452]: malformed lint attribute input
--> $DIR/proc-unsafe-attributes.rs:26:16
--> $DIR/proc-unsafe-attributes.rs:27:16
|
LL | #[unsafe(allow(unsafe(dead_code)))]
| ^^^^^^^^^^^^^^^^^ bad attribute argument
|
= note: duplicate diagnostic emitted due to `-Z deduplicate-diagnostics=no`
error[E0452]: malformed lint attribute input
--> $DIR/proc-unsafe-attributes.rs:26:16
|
LL | #[unsafe(allow(unsafe(dead_code)))]
| ^^^^^^^^^^^^^^^^^ bad attribute argument
|
= note: duplicate diagnostic emitted due to `-Z deduplicate-diagnostics=no`
error: aborting due to 18 previous errors
error: aborting due to 17 previous errors
For more information about this error, try `rustc --explain E0452`.
Some errors have detailed explanations: E0452, E0565.
For more information about an error, try `rustc --explain E0452`.

2
tests/ui/feature-gates/issue-43106-gating-of-builtin-attrs.rs
View file

@ -57,7 +57,7 @@
// see gated-link-args.rs
// see issue-43106-gating-of-macro_escape.rs for crate-level; but non crate-level is below at "2700"
// (cannot easily test gating of crate-level #[no_std]; but non crate-level is below at "2600")
#![proc_macro_derive()] //~ WARN `#[proc_macro_derive]` only has an effect
#![proc_macro_derive(Test)] //~ WARN `#[proc_macro_derive]` only has an effect
#![doc = "2400"]
#![cold] //~ WARN attribute should be applied to a function
//~^ WARN this was previously accepted

12
tests/ui/feature-gates/issue-43106-gating-of-builtin-attrs.stderr
View file

@ -367,12 +367,6 @@ warning: `#[should_panic]` only has an effect on functions
LL | #![should_panic]
| ^^^^^^^^^^^^^^^^
warning: `#[proc_macro_derive]` only has an effect on functions
--> $DIR/issue-43106-gating-of-builtin-attrs.rs:60:1
|
LL | #![proc_macro_derive()]
| ^^^^^^^^^^^^^^^^^^^^^^^
warning: attribute should be applied to an `extern` block with non-Rust ABI
--> $DIR/issue-43106-gating-of-builtin-attrs.rs:64:1
|
@ -409,6 +403,12 @@ warning: `#[must_use]` has no effect when applied to a module
LL | #![must_use]
| ^^^^^^^^^^^^
warning: `#[proc_macro_derive]` only has an effect on functions
--> $DIR/issue-43106-gating-of-builtin-attrs.rs:60:1
|
LL | #![proc_macro_derive(Test)]
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^
warning: attribute should be applied to a function definition
--> $DIR/issue-43106-gating-of-builtin-attrs.rs:62:1
|

14
tests/ui/feature-gates/issue-43106-gating-of-proc_macro_derive.rs
View file

@ -7,27 +7,27 @@
// signal errors, making it incompatible with the "warnings only"
// nature of issue-43106-gating-of-builtin-attrs.rs
#[proc_macro_derive()]
#[proc_macro_derive(Test)]
//~^ ERROR the `#[proc_macro_derive]` attribute may only be used on bare functions
mod proc_macro_derive1 {
mod inner { #![proc_macro_derive()] }
mod inner { #![proc_macro_derive(Test)] }
// (no error issued here if there was one on outer module)
}
mod proc_macro_derive2 {
mod inner { #![proc_macro_derive()] }
mod inner { #![proc_macro_derive(Test)] }
//~^ ERROR the `#[proc_macro_derive]` attribute may only be used on bare functions
#[proc_macro_derive()] fn f() { }
#[proc_macro_derive(Test)] fn f() { }
//~^ ERROR the `#[proc_macro_derive]` attribute is only usable with crates of the `proc-macro`
#[proc_macro_derive()] struct S;
#[proc_macro_derive(Test)] struct S;
//~^ ERROR the `#[proc_macro_derive]` attribute may only be used on bare functions
#[proc_macro_derive()] type T = S;
#[proc_macro_derive(Test)] type T = S;
//~^ ERROR the `#[proc_macro_derive]` attribute may only be used on bare functions
#[proc_macro_derive()] impl S { }
#[proc_macro_derive(Test)] impl S { }
//~^ ERROR the `#[proc_macro_derive]` attribute may only be used on bare functions
}

24
tests/ui/feature-gates/issue-43106-gating-of-proc_macro_derive.stderr
View file

@ -1,38 +1,38 @@
error: the `#[proc_macro_derive]` attribute may only be used on bare functions
--> $DIR/issue-43106-gating-of-proc_macro_derive.rs:10:1
|
LL | #[proc_macro_derive()]
| ^^^^^^^^^^^^^^^^^^^^^^
LL | #[proc_macro_derive(Test)]
| ^^^^^^^^^^^^^^^^^^^^^^^^^^
error: the `#[proc_macro_derive]` attribute may only be used on bare functions
--> $DIR/issue-43106-gating-of-proc_macro_derive.rs:18:17
|
LL | mod inner { #![proc_macro_derive()] }
| ^^^^^^^^^^^^^^^^^^^^^^^
LL | mod inner { #![proc_macro_derive(Test)] }
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^
error: the `#[proc_macro_derive]` attribute is only usable with crates of the `proc-macro` crate type
--> $DIR/issue-43106-gating-of-proc_macro_derive.rs:21:5
|
LL | #[proc_macro_derive()] fn f() { }
| ^^^^^^^^^^^^^^^^^^^^^^
LL | #[proc_macro_derive(Test)] fn f() { }
| ^^^^^^^^^^^^^^^^^^^^^^^^^^
error: the `#[proc_macro_derive]` attribute may only be used on bare functions
--> $DIR/issue-43106-gating-of-proc_macro_derive.rs:24:5
|
LL | #[proc_macro_derive()] struct S;
| ^^^^^^^^^^^^^^^^^^^^^^
LL | #[proc_macro_derive(Test)] struct S;
| ^^^^^^^^^^^^^^^^^^^^^^^^^^
error: the `#[proc_macro_derive]` attribute may only be used on bare functions
--> $DIR/issue-43106-gating-of-proc_macro_derive.rs:27:5
|
LL | #[proc_macro_derive()] type T = S;
| ^^^^^^^^^^^^^^^^^^^^^^
LL | #[proc_macro_derive(Test)] type T = S;
| ^^^^^^^^^^^^^^^^^^^^^^^^^^
error: the `#[proc_macro_derive]` attribute may only be used on bare functions
--> $DIR/issue-43106-gating-of-proc_macro_derive.rs:30:5
|
LL | #[proc_macro_derive()] impl S { }
| ^^^^^^^^^^^^^^^^^^^^^^
LL | #[proc_macro_derive(Test)] impl S { }
| ^^^^^^^^^^^^^^^^^^^^^^^^^^
error: aborting due to 6 previous errors

51
tests/ui/proc-macro/attribute.rs
View file

@ -6,68 +6,85 @@
extern crate proc_macro;
use proc_macro::*;
#[proc_macro_derive] //~ ERROR malformed `proc_macro_derive` attribute
#[proc_macro_derive]
//~^ ERROR malformed `proc_macro_derive` attribute
//~| NOTE expected this to be a list
pub fn foo1(input: TokenStream) -> TokenStream { input }
#[proc_macro_derive = ""] //~ ERROR malformed `proc_macro_derive` attribute
#[proc_macro_derive = ""]
//~^ ERROR malformed `proc_macro_derive` attribute
//~| NOTE expected this to be a list
pub fn foo2(input: TokenStream) -> TokenStream { input }
#[proc_macro_derive(d3, a, b)]
//~^ ERROR attribute must have either one or two arguments
//~^ ERROR malformed `proc_macro_derive` attribute
//~| NOTE the only valid argument here is `attributes`
pub fn foo3(input: TokenStream) -> TokenStream { input }
#[proc_macro_derive(d4, attributes(a), b)]
//~^ ERROR attribute must have either one or two arguments
//~^ ERROR malformed `proc_macro_derive` attribute
//~| NOTE didn't expect any arguments here
pub fn foo4(input: TokenStream) -> TokenStream { input }
#[proc_macro_derive("a")]
//~^ ERROR: not a meta item
//~^ ERROR malformed `proc_macro_derive` attribute
//~| NOTE didn't expect a literal here
pub fn foo5(input: TokenStream) -> TokenStream { input }
#[proc_macro_derive(d6 = "")]
//~^ ERROR: must only be one word
//~^ ERROR malformed `proc_macro_derive` attribute
//~| NOTE didn't expect any arguments here
pub fn foo6(input: TokenStream) -> TokenStream { input }
#[proc_macro_derive(m::d7)]
//~^ ERROR: must only be one word
//~^ ERROR malformed `proc_macro_derive` attribute
//~| NOTE expected a valid identifier here
pub fn foo7(input: TokenStream) -> TokenStream { input }
#[proc_macro_derive(d8(a))]
//~^ ERROR: must only be one word
//~^ ERROR malformed `proc_macro_derive` attribute
//~| NOTE didn't expect any arguments here
pub fn foo8(input: TokenStream) -> TokenStream { input }
#[proc_macro_derive(self)]
//~^ ERROR: `self` cannot be a name of derive macro
//~^ ERROR malformed `proc_macro_derive` attribute
//~| NOTE expected a valid identifier here
pub fn foo9(input: TokenStream) -> TokenStream { input }
#[proc_macro_derive(PartialEq)] // OK
pub fn foo10(input: TokenStream) -> TokenStream { input }
#[proc_macro_derive(d11, a)]
//~^ ERROR: second argument must be `attributes`
//~| ERROR: attribute must be of form: `attributes(foo, bar)`
//~^ ERROR malformed `proc_macro_derive` attribute
//~| NOTE the only valid argument here is `attributes`
pub fn foo11(input: TokenStream) -> TokenStream { input }
#[proc_macro_derive(d12, attributes)]
//~^ ERROR: attribute must be of form: `attributes(foo, bar)`
//~^ ERROR malformed `proc_macro_derive` attribute
//~| NOTE expected this to be a list
pub fn foo12(input: TokenStream) -> TokenStream { input }
#[proc_macro_derive(d13, attributes("a"))]
//~^ ERROR: attribute must be a meta item, not a literal
//~^ ERROR malformed `proc_macro_derive` attribute
//~| NOTE expected a valid identifier here
pub fn foo13(input: TokenStream) -> TokenStream { input }
#[proc_macro_derive(d14, attributes(a = ""))]
//~^ ERROR: attribute must only be a single word
//~^ ERROR malformed `proc_macro_derive` attribute
//~| NOTE didn't expect any arguments here
pub fn foo14(input: TokenStream) -> TokenStream { input }
#[proc_macro_derive(d15, attributes(m::a))]
//~^ ERROR: attribute must only be a single word
//~^ ERROR malformed `proc_macro_derive` attribute
//~| NOTE expected a valid identifier here
pub fn foo15(input: TokenStream) -> TokenStream { input }
#[proc_macro_derive(d16, attributes(a(b)))]
//~^ ERROR: attribute must only be a single word
//~^ ERROR malformed `proc_macro_derive` attribute
//~| NOTE didn't expect any arguments here
pub fn foo16(input: TokenStream) -> TokenStream { input }
#[proc_macro_derive(d17, attributes(self))]
//~^ ERROR: `self` cannot be a name of derive helper attribute
//~^ ERROR malformed `proc_macro_derive` attribute
//~| NOTE expected a valid identifier here
pub fn foo17(input: TokenStream) -> TokenStream { input }

158
tests/ui/proc-macro/attribute.stderr
View file

@ -1,104 +1,148 @@
error: malformed `proc_macro_derive` attribute input
error[E0539]: malformed `proc_macro_derive` attribute input
--> $DIR/attribute.rs:9:1
|
LL | #[proc_macro_derive]
| ^^^^^^^^^^^^^^^^^^^^ help: must be of the form: `#[proc_macro_derive(TraitName, /*opt*/ attributes(name1, name2, ...))]`
| ^^^^^^^^^^^^^^^^^^^^
| |
| expected this to be a list
| help: must be of the form: `#[proc_macro_derive(TraitName, /*opt*/ attributes(name1, name2, ...))]`
error: malformed `proc_macro_derive` attribute input
--> $DIR/attribute.rs:12:1
error[E0539]: malformed `proc_macro_derive` attribute input
--> $DIR/attribute.rs:14:1
|
LL | #[proc_macro_derive = ""]
| ^^^^^^^^^^^^^^^^^^^^^^^^^ help: must be of the form: `#[proc_macro_derive(TraitName, /*opt*/ attributes(name1, name2, ...))]`
| ^^^^^^^^^^^^^^^^^^^^^^^^^
| |
| expected this to be a list
| help: must be of the form: `#[proc_macro_derive(TraitName, /*opt*/ attributes(name1, name2, ...))]`
error: attribute must have either one or two arguments
--> $DIR/attribute.rs:15:1
|
LL | #[proc_macro_derive(d3, a, b)]
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
error: attribute must have either one or two arguments
error[E0539]: malformed `proc_macro_derive` attribute input
--> $DIR/attribute.rs:19:1
|
LL | #[proc_macro_derive(d4, attributes(a), b)]
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
LL | #[proc_macro_derive(d3, a, b)]
| ^^^^^^^^^^^^^^^^^^^^^^^^-^^^^^
| | |
| | the only valid argument here is `attributes`
| help: must be of the form: `#[proc_macro_derive(TraitName, /*opt*/ attributes(name1, name2, ...))]`
error: not a meta item
--> $DIR/attribute.rs:23:21
error[E0565]: malformed `proc_macro_derive` attribute input
--> $DIR/attribute.rs:24:1
|
LL | #[proc_macro_derive(d4, attributes(a), b)]
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^-^^
| | |
| | didn't expect any arguments here
| help: must be of the form: `#[proc_macro_derive(TraitName, /*opt*/ attributes(name1, name2, ...))]`
error[E0565]: malformed `proc_macro_derive` attribute input
--> $DIR/attribute.rs:29:1
|
LL | #[proc_macro_derive("a")]
| ^^^
| ^^^^^^^^^^^^^^^^^^^^---^^
| | |
| | didn't expect a literal here
| help: must be of the form: `#[proc_macro_derive(TraitName, /*opt*/ attributes(name1, name2, ...))]`
error: must only be one word
--> $DIR/attribute.rs:27:21
error[E0565]: malformed `proc_macro_derive` attribute input
--> $DIR/attribute.rs:34:1
|
LL | #[proc_macro_derive(d6 = "")]
| ^^^^^^^
| ^^^^^^^^^^^^^^^^^^^^^^^----^^
| | |
| | didn't expect any arguments here
| help: must be of the form: `#[proc_macro_derive(TraitName, /*opt*/ attributes(name1, name2, ...))]`
error: must only be one word
--> $DIR/attribute.rs:31:21
error[E0539]: malformed `proc_macro_derive` attribute input
--> $DIR/attribute.rs:39:1
|
LL | #[proc_macro_derive(m::d7)]
| ^^^^^
| ^^^^^^^^^^^^^^^^^^^^-----^^
| | |
| | expected a valid identifier here
| help: must be of the form: `#[proc_macro_derive(TraitName, /*opt*/ attributes(name1, name2, ...))]`
error: must only be one word
--> $DIR/attribute.rs:35:21
error[E0565]: malformed `proc_macro_derive` attribute input
--> $DIR/attribute.rs:44:1
|
LL | #[proc_macro_derive(d8(a))]
| ^^^^^
| ^^^^^^^^^^^^^^^^^^^^^^---^^
| | |
| | didn't expect any arguments here
| help: must be of the form: `#[proc_macro_derive(TraitName, /*opt*/ attributes(name1, name2, ...))]`
error: `self` cannot be a name of derive macro
--> $DIR/attribute.rs:39:21
error[E0539]: malformed `proc_macro_derive` attribute input
--> $DIR/attribute.rs:49:1
|
LL | #[proc_macro_derive(self)]
| ^^^^
| ^^^^^^^^^^^^^^^^^^^^----^^
| | |
| | expected a valid identifier here
| help: must be of the form: `#[proc_macro_derive(TraitName, /*opt*/ attributes(name1, name2, ...))]`
error: second argument must be `attributes`
--> $DIR/attribute.rs:46:26
error[E0539]: malformed `proc_macro_derive` attribute input
--> $DIR/attribute.rs:57:1
|
LL | #[proc_macro_derive(d11, a)]
| ^
| ^^^^^^^^^^^^^^^^^^^^^^^^^-^^
| | |
| | the only valid argument here is `attributes`
| help: must be of the form: `#[proc_macro_derive(TraitName, /*opt*/ attributes(name1, name2, ...))]`
error: attribute must be of form: `attributes(foo, bar)`
--> $DIR/attribute.rs:46:26
|
LL | #[proc_macro_derive(d11, a)]
| ^
error: attribute must be of form: `attributes(foo, bar)`
--> $DIR/attribute.rs:51:26
error[E0539]: malformed `proc_macro_derive` attribute input
--> $DIR/attribute.rs:62:1
|
LL | #[proc_macro_derive(d12, attributes)]
| ^^^^^^^^^^
| ^^^^^^^^^^^^^^^^^^^^^^^^^----------^^
| | |
| | expected this to be a list
| help: must be of the form: `#[proc_macro_derive(TraitName, /*opt*/ attributes(name1, name2, ...))]`
error: attribute must be a meta item, not a literal
--> $DIR/attribute.rs:55:37
error[E0539]: malformed `proc_macro_derive` attribute input
--> $DIR/attribute.rs:67:1
|
LL | #[proc_macro_derive(d13, attributes("a"))]
| ^^^
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^---^^^
| | |
| | expected a valid identifier here
| help: must be of the form: `#[proc_macro_derive(TraitName, /*opt*/ attributes(name1, name2, ...))]`
error: attribute must only be a single word
--> $DIR/attribute.rs:59:37
error[E0565]: malformed `proc_macro_derive` attribute input
--> $DIR/attribute.rs:72:1
|
LL | #[proc_macro_derive(d14, attributes(a = ""))]
| ^^^^^^
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^----^^^
| | |
| | didn't expect any arguments here
| help: must be of the form: `#[proc_macro_derive(TraitName, /*opt*/ attributes(name1, name2, ...))]`
error: attribute must only be a single word
--> $DIR/attribute.rs:63:37
error[E0539]: malformed `proc_macro_derive` attribute input
--> $DIR/attribute.rs:77:1
|
LL | #[proc_macro_derive(d15, attributes(m::a))]
| ^^^^
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^----^^^
| | |
| | expected a valid identifier here
| help: must be of the form: `#[proc_macro_derive(TraitName, /*opt*/ attributes(name1, name2, ...))]`
error: attribute must only be a single word
--> $DIR/attribute.rs:67:37
error[E0565]: malformed `proc_macro_derive` attribute input
--> $DIR/attribute.rs:82:1
|
LL | #[proc_macro_derive(d16, attributes(a(b)))]
| ^^^^
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^---^^^
| | |
| | didn't expect any arguments here
| help: must be of the form: `#[proc_macro_derive(TraitName, /*opt*/ attributes(name1, name2, ...))]`
error: `self` cannot be a name of derive helper attribute
--> $DIR/attribute.rs:71:37
error[E0539]: malformed `proc_macro_derive` attribute input
--> $DIR/attribute.rs:87:1
|
LL | #[proc_macro_derive(d17, attributes(self))]
| ^^^^
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^----^^^
| | |
| | expected a valid identifier here
| help: must be of the form: `#[proc_macro_derive(TraitName, /*opt*/ attributes(name1, name2, ...))]`
error: aborting due to 17 previous errors
error: aborting due to 16 previous errors
Some errors have detailed explanations: E0539, E0565.
For more information about an error, try `rustc --explain E0539`.

24
tests/ui/proc-macro/invalid-attributes.rs
View file

@ -7,20 +7,32 @@ extern crate proc_macro;
use proc_macro::TokenStream;
#[proc_macro = "test"] //~ ERROR malformed `proc_macro` attribute
#[proc_macro = "test"]
//~^ ERROR malformed `proc_macro` attribute
//~| NOTE didn't expect any arguments here
pub fn a(a: TokenStream) -> TokenStream { a }
#[proc_macro()] //~ ERROR malformed `proc_macro` attribute
#[proc_macro()]
//~^ ERROR malformed `proc_macro` attribute
//~| NOTE didn't expect any arguments here
pub fn c(a: TokenStream) -> TokenStream { a }
#[proc_macro(x)] //~ ERROR malformed `proc_macro` attribute
#[proc_macro(x)]
//~^ ERROR malformed `proc_macro` attribute
//~| NOTE didn't expect any arguments here
pub fn d(a: TokenStream) -> TokenStream { a }
#[proc_macro_attribute = "test"] //~ ERROR malformed `proc_macro_attribute` attribute
#[proc_macro_attribute = "test"]
//~^ ERROR malformed `proc_macro_attribute` attribute
//~| NOTE didn't expect any arguments here
pub fn e(_: TokenStream, a: TokenStream) -> TokenStream { a }
#[proc_macro_attribute()] //~ ERROR malformed `proc_macro_attribute` attribute
#[proc_macro_attribute()]
//~^ ERROR malformed `proc_macro_attribute` attribute
//~| NOTE didn't expect any arguments here
pub fn g(_: TokenStream, a: TokenStream) -> TokenStream { a }
#[proc_macro_attribute(x)] //~ ERROR malformed `proc_macro_attribute` attribute
#[proc_macro_attribute(x)]
//~^ ERROR malformed `proc_macro_attribute` attribute
//~| NOTE didn't expect any arguments here
pub fn h(_: TokenStream, a: TokenStream) -> TokenStream { a }

63
tests/ui/proc-macro/invalid-attributes.stderr
View file

@ -1,38 +1,57 @@
error: malformed `proc_macro` attribute input
error[E0565]: malformed `proc_macro` attribute input
--> $DIR/invalid-attributes.rs:10:1
|
LL | #[proc_macro = "test"]
| ^^^^^^^^^^^^^^^^^^^^^^ help: must be of the form: `#[proc_macro]`
| ^^^^^^^^^^^^^--------^
| | |
| | didn't expect any arguments here
| help: must be of the form: `#[proc_macro]`
error: malformed `proc_macro` attribute input
--> $DIR/invalid-attributes.rs:13:1
error[E0565]: malformed `proc_macro` attribute input
--> $DIR/invalid-attributes.rs:15:1
|
LL | #[proc_macro()]
| ^^^^^^^^^^^^^^^ help: must be of the form: `#[proc_macro]`
| ^^^^^^^^^^^^--^
| | |
| | didn't expect any arguments here
| help: must be of the form: `#[proc_macro]`
error: malformed `proc_macro` attribute input
--> $DIR/invalid-attributes.rs:16:1
error[E0565]: malformed `proc_macro` attribute input
--> $DIR/invalid-attributes.rs:20:1
|
LL | #[proc_macro(x)]
| ^^^^^^^^^^^^^^^^ help: must be of the form: `#[proc_macro]`
| ^^^^^^^^^^^^---^
| | |
| | didn't expect any arguments here
| help: must be of the form: `#[proc_macro]`
error: malformed `proc_macro_attribute` attribute input
--> $DIR/invalid-attributes.rs:19:1
|
LL | #[proc_macro_attribute = "test"]
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: must be of the form: `#[proc_macro_attribute]`
error: malformed `proc_macro_attribute` attribute input
--> $DIR/invalid-attributes.rs:22:1
|
LL | #[proc_macro_attribute()]
| ^^^^^^^^^^^^^^^^^^^^^^^^^ help: must be of the form: `#[proc_macro_attribute]`
error: malformed `proc_macro_attribute` attribute input
error[E0565]: malformed `proc_macro_attribute` attribute input
--> $DIR/invalid-attributes.rs:25:1
|
LL | #[proc_macro_attribute = "test"]
| ^^^^^^^^^^^^^^^^^^^^^^^--------^
| | |
| | didn't expect any arguments here
| help: must be of the form: `#[proc_macro_attribute]`
error[E0565]: malformed `proc_macro_attribute` attribute input
--> $DIR/invalid-attributes.rs:30:1
|
LL | #[proc_macro_attribute()]
| ^^^^^^^^^^^^^^^^^^^^^^--^
| | |
| | didn't expect any arguments here
| help: must be of the form: `#[proc_macro_attribute]`
error[E0565]: malformed `proc_macro_attribute` attribute input
--> $DIR/invalid-attributes.rs:35:1
|
LL | #[proc_macro_attribute(x)]
| ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: must be of the form: `#[proc_macro_attribute]`
| ^^^^^^^^^^^^^^^^^^^^^^---^
| | |
| | didn't expect any arguments here
| help: must be of the form: `#[proc_macro_attribute]`
error: aborting due to 6 previous errors
For more information about this error, try `rustc --explain E0565`.