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rust/tests/ui/lint/unused/unused-attr-macro-rules.stderr

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Remove `Session.used_attrs` and move logic to `CheckAttrVisitor` Instead of updating global state to mark attributes as used, we now explicitly emit a warning when an attribute is used in an unsupported position. As a side effect, we are to emit more detailed warning messages (instead of just a generic "unused" message). `Session.check_name` is removed, since its only purpose was to mark the attribute as used. All of the callers are modified to use `Attribute.has_name` Additionally, `AttributeType::AssumedUsed` is removed - an 'assumed used' attribute is implemented by simply not performing any checks in `CheckAttrVisitor` for a particular attribute. We no longer emit unused attribute warnings for the `#[rustc_dummy]` attribute - it's an internal attribute used for tests, so it doesn't mark sense to treat it as 'unused'. With this commit, a large source of global untracked state is removed.
2021-07-29 12:00:41 -05:00
error: `#[macro_use]` only has an effect on `extern crate` and modules
Fix unused attributes on macro_rules.
2021-05-15 18:10:17 -05:00
--> $DIR/unused-attr-macro-rules.rs:7:1
|
LL | #[macro_use]
| ^^^^^^^^^^^^
|
note: the lint level is defined here
--> $DIR/unused-attr-macro-rules.rs:1:9
|
LL | #![deny(unused_attributes)]
| ^^^^^^^^^^^^^^^^^
Remove `Session.used_attrs` and move logic to `CheckAttrVisitor` Instead of updating global state to mark attributes as used, we now explicitly emit a warning when an attribute is used in an unsupported position. As a side effect, we are to emit more detailed warning messages (instead of just a generic "unused" message). `Session.check_name` is removed, since its only purpose was to mark the attribute as used. All of the callers are modified to use `Attribute.has_name` Additionally, `AttributeType::AssumedUsed` is removed - an 'assumed used' attribute is implemented by simply not performing any checks in `CheckAttrVisitor` for a particular attribute. We no longer emit unused attribute warnings for the `#[rustc_dummy]` attribute - it's an internal attribute used for tests, so it doesn't mark sense to treat it as 'unused'. With this commit, a large source of global untracked state is removed.
2021-07-29 12:00:41 -05:00
error: `#[path]` only has an effect on modules
Fix unused attributes on macro_rules.
2021-05-15 18:10:17 -05:00
--> $DIR/unused-attr-macro-rules.rs:8:1
|
LL | #[path="foo"]
| ^^^^^^^^^^^^^
error: crate-level attribute should be an inner attribute: add an exclamation mark: `#![foo]`
--> $DIR/unused-attr-macro-rules.rs:9:1
|
LL | #[recursion_limit="1"]
| ^^^^^^^^^^^^^^^^^^^^^^
Remove `Session.used_attrs` and move logic to `CheckAttrVisitor` Instead of updating global state to mark attributes as used, we now explicitly emit a warning when an attribute is used in an unsupported position. As a side effect, we are to emit more detailed warning messages (instead of just a generic "unused" message). `Session.check_name` is removed, since its only purpose was to mark the attribute as used. All of the callers are modified to use `Attribute.has_name` Additionally, `AttributeType::AssumedUsed` is removed - an 'assumed used' attribute is implemented by simply not performing any checks in `CheckAttrVisitor` for a particular attribute. We no longer emit unused attribute warnings for the `#[rustc_dummy]` attribute - it's an internal attribute used for tests, so it doesn't mark sense to treat it as 'unused'. With this commit, a large source of global untracked state is removed.
2021-07-29 12:00:41 -05:00
error: aborting due to 3 previous errors
Fix unused attributes on macro_rules.
2021-05-15 18:10:17 -05:00
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