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allow specifying attributes for tool lints #58785

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Merged
merged 1 commit into from
Mar 3, 2019
Merged

allow specifying attributes for tool lints #58785

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20 changes: 14 additions & 6 deletions src/librustc/lint/mod.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -132,14 +132,22 @@ macro_rules! declare_lint {

#[macro_export]
macro_rules! declare_tool_lint {
($vis: vis $tool: ident ::$NAME: ident, $Level: ident, $desc: expr) => (
declare_tool_lint!{$vis $tool::$NAME, $Level, $desc, false}
(
$(#[$attr:meta])* $vis:vis $tool:ident ::$NAME:ident, $Level: ident, $desc: expr
) => (
declare_tool_lint!{$(#[$attr])* $vis $tool::$NAME, $Level, $desc, false}
);
($vis: vis $tool: ident ::$NAME: ident, $Level: ident, $desc: expr,
report_in_external_macro: $rep: expr) => (
declare_tool_lint!{$vis $tool::$NAME, $Level, $desc, $rep}
(
$(#[$attr:meta])* $vis:vis $tool:ident ::$NAME:ident, $Level:ident, $desc:expr,
report_in_external_macro: $rep:expr
) => (
declare_tool_lint!{$(#[$attr])* $vis $tool::$NAME, $Level, $desc, $rep}
);
($vis: vis $tool: ident ::$NAME: ident, $Level: ident, $desc: expr, $external: expr) => (
(
$(#[$attr:meta])* $vis:vis $tool:ident ::$NAME:ident, $Level:ident, $desc:expr,
$external:expr
) => (
$(#[$attr])*
$vis static $NAME: &$crate::lint::Lint = &$crate::lint::Lint {
name: &concat!(stringify!($tool), "::", stringify!($NAME)),
default_level: $crate::lint::$Level,
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6 changes: 5 additions & 1 deletion src/test/ui-fulldeps/auxiliary/lint_tool_test.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -13,7 +13,11 @@ use rustc::lint::{EarlyContext, LintContext, LintPass, EarlyLintPass,
use rustc_plugin::Registry;
use syntax::ast;
declare_tool_lint!(pub clippy::TEST_LINT, Warn, "Warn about stuff");
declare_tool_lint!(pub clippy::TEST_GROUP, Warn, "Warn about other stuff");
declare_tool_lint!(
/// Some docs
pub clippy::TEST_GROUP,
Warn, "Warn about other stuff"
);

struct Pass;

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