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189f264926
Modify `AttributeTemplate` to support list of alternatives for list and name value attribute styles. Suggestions now provide more correct suggested code: ``` error[E0805]: malformed `used` attribute input --> $DIR/used_with_multi_args.rs:3:1 | LL | #[used(compiler, linker)] | ^^^^^^------------------^ | | | expected a single argument here | help: try changing it to one of the following valid forms of the attribute | LL - #[used(compiler, linker)] LL + #[used(compiler)] | LL - #[used(compiler, linker)] LL + #[used(linker)] | LL - #[used(compiler, linker)] LL + #[used] | ``` instead of the prior "masking" of the lack of this feature by suggesting pipe-separated lists: ``` error[E0805]: malformed `used` attribute input --> $DIR/used_with_multi_args.rs:3:1 | LL | #[used(compiler, linker)] | ^^^^^^------------------^ | | | expected a single argument here | help: try changing it to one of the following valid forms of the attribute | LL - #[used(compiler, linker)] LL + #[used(compiler|linker)] | LL - #[used(compiler, linker)] LL + #[used] | ```
154 lines
4.9 KiB
Plaintext
154 lines
4.9 KiB
Plaintext
error[E0452]: malformed lint attribute input
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--> $DIR/proc-unsafe-attributes.rs:27:16
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LL | #[unsafe(allow(unsafe(dead_code)))]
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| ^^^^^^^^^^^^^^^^^ bad attribute argument
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error[E0452]: malformed lint attribute input
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--> $DIR/proc-unsafe-attributes.rs:27:16
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LL | #[unsafe(allow(unsafe(dead_code)))]
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| ^^^^^^^^^^^^^^^^^ bad attribute argument
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= note: duplicate diagnostic emitted due to `-Z deduplicate-diagnostics=no`
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error: `proc_macro` is not an unsafe attribute
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--> $DIR/proc-unsafe-attributes.rs:1:3
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LL | #[unsafe(proc_macro)]
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| ^^^^^^ this is not an unsafe attribute
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= note: extraneous unsafe is not allowed in attributes
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error: `proc_macro_derive` is not an unsafe attribute
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--> $DIR/proc-unsafe-attributes.rs:7:3
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LL | #[unsafe(proc_macro_derive(Foo))]
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| ^^^^^^ this is not an unsafe attribute
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= note: extraneous unsafe is not allowed in attributes
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error: expected identifier, found keyword `unsafe`
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--> $DIR/proc-unsafe-attributes.rs:12:21
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LL | #[proc_macro_derive(unsafe(Foo))]
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| ^^^^^^ expected identifier, found keyword
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help: escape `unsafe` to use it as an identifier
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LL | #[proc_macro_derive(r#unsafe(Foo))]
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| ++
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error: `proc_macro_attribute` is not an unsafe attribute
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--> $DIR/proc-unsafe-attributes.rs:18:3
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LL | #[unsafe(proc_macro_attribute)]
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| ^^^^^^ this is not an unsafe attribute
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= note: extraneous unsafe is not allowed in attributes
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error: `allow` is not an unsafe attribute
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--> $DIR/proc-unsafe-attributes.rs:23:3
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LL | #[unsafe(allow(dead_code))]
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| ^^^^^^ this is not an unsafe attribute
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= note: extraneous unsafe is not allowed in attributes
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error: `allow` is not an unsafe attribute
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--> $DIR/proc-unsafe-attributes.rs:27:3
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LL | #[unsafe(allow(unsafe(dead_code)))]
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| ^^^^^^ this is not an unsafe attribute
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= note: extraneous unsafe is not allowed in attributes
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error: expected identifier, found keyword `unsafe`
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--> $DIR/proc-unsafe-attributes.rs:27:16
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LL | #[unsafe(allow(unsafe(dead_code)))]
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| ^^^^^^ expected identifier, found keyword
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help: escape `unsafe` to use it as an identifier
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LL | #[unsafe(allow(r#unsafe(dead_code)))]
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| ++
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error: the `#[proc_macro]` attribute is only usable with crates of the `proc-macro` crate type
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--> $DIR/proc-unsafe-attributes.rs:1:1
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LL | #[unsafe(proc_macro)]
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| ^^^^^^^^^^^^^^^^^^^^^
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error: the `#[proc_macro_derive]` attribute is only usable with crates of the `proc-macro` crate type
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--> $DIR/proc-unsafe-attributes.rs:7:1
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LL | #[unsafe(proc_macro_derive(Foo))]
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
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error: the `#[proc_macro_derive]` attribute is only usable with crates of the `proc-macro` crate type
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--> $DIR/proc-unsafe-attributes.rs:12:1
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LL | #[proc_macro_derive(unsafe(Foo))]
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
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error: the `#[proc_macro_attribute]` attribute is only usable with crates of the `proc-macro` crate type
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--> $DIR/proc-unsafe-attributes.rs:18:1
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LL | #[unsafe(proc_macro_attribute)]
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
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error[E0452]: malformed lint attribute input
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--> $DIR/proc-unsafe-attributes.rs:27:16
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LL | #[unsafe(allow(unsafe(dead_code)))]
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| ^^^^^^^^^^^^^^^^^ bad attribute argument
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= note: duplicate diagnostic emitted due to `-Z deduplicate-diagnostics=no`
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error[E0452]: malformed lint attribute input
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--> $DIR/proc-unsafe-attributes.rs:27:16
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LL | #[unsafe(allow(unsafe(dead_code)))]
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| ^^^^^^^^^^^^^^^^^ bad attribute argument
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= note: duplicate diagnostic emitted due to `-Z deduplicate-diagnostics=no`
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error[E0565]: malformed `proc_macro_derive` attribute input
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--> $DIR/proc-unsafe-attributes.rs:12:1
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LL | #[proc_macro_derive(unsafe(Foo))]
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^-----^^
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| |
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| didn't expect any arguments here
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help: try changing it to one of the following valid forms of the attribute
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LL - #[proc_macro_derive(unsafe(Foo))]
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LL + #[proc_macro_derive(TraitName)]
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LL - #[proc_macro_derive(unsafe(Foo))]
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LL + #[proc_macro_derive(TraitName, attributes(name1, name2, ...))]
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error[E0452]: malformed lint attribute input
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--> $DIR/proc-unsafe-attributes.rs:27:16
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LL | #[unsafe(allow(unsafe(dead_code)))]
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| ^^^^^^^^^^^^^^^^^ bad attribute argument
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= note: duplicate diagnostic emitted due to `-Z deduplicate-diagnostics=no`
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error[E0452]: malformed lint attribute input
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--> $DIR/proc-unsafe-attributes.rs:27:16
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LL | #[unsafe(allow(unsafe(dead_code)))]
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| ^^^^^^^^^^^^^^^^^ bad attribute argument
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= note: duplicate diagnostic emitted due to `-Z deduplicate-diagnostics=no`
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error: aborting due to 18 previous errors
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Some errors have detailed explanations: E0452, E0565.
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For more information about an error, try `rustc --explain E0452`.
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