remove tuple

clippy_lints/src/allow_attributes.rs

@@ -1,4 +1,4 @@
-use ast::AttrStyle;
+use ast::{AttrStyle, Attribute};
 use clippy_utils::{diagnostics::span_lint_and_sugg, is_from_proc_macro};
 use rustc_ast as ast;
 use rustc_errors::Applicability;
@@ -50,14 +50,14 @@ declare_lint_pass!(AllowAttribute => [ALLOW_ATTRIBUTES]);
 
 impl LateLintPass<'_> for AllowAttribute {
     // Separate each crate's features.
-    fn check_attribute(&mut self, cx: &LateContext<'_>, attr: &ast::Attribute) {
+    fn check_attribute<'cx>(&mut self, cx: &LateContext<'cx>, attr: &'cx Attribute) {
         if_chain! {
             if !in_external_macro(cx.sess(), attr.span);
             if cx.tcx.features().lint_reasons;
             if let AttrStyle::Outer = attr.style;
             if let Some(ident) = attr.ident();
             if ident.name == rustc_span::symbol::sym::allow;
-            if !is_from_proc_macro(cx, &(attr, cx));
+            if !is_from_proc_macro(cx, &attr);
             then {
                 span_lint_and_sugg(
                     cx,

clippy_lints/src/attrs.rs

@@ -543,7 +543,7 @@ fn check_clippy_lint_names(cx: &LateContext<'_>, name: Symbol, items: &[NestedMe
     }
 }
 
-fn check_lint_reason(cx: &LateContext<'_>, name: Symbol, items: &[NestedMetaItem], attr: &Attribute) {
+fn check_lint_reason<'cx>(cx: &LateContext<'cx>, name: Symbol, items: &[NestedMetaItem], attr: &'cx Attribute) {
     // Check for the feature
     if !cx.tcx.features().lint_reasons {
         return;
@@ -558,7 +558,7 @@ fn check_lint_reason(cx: &LateContext<'_>, name: Symbol, items: &[NestedMetaItem
     }
 
     // Check if the attribute is in an external macro and therefore out of the developer's control
-    if in_external_macro(cx.sess(), attr.span) || is_from_proc_macro(cx, &(attr, cx)) {
+    if in_external_macro(cx.sess(), attr.span) || is_from_proc_macro(cx, &attr) {
         return;
     }
 

clippy_utils/src/check_proc_macro.rs

@@ -358,15 +358,16 @@ impl<'cx> WithSearchPat for (&FnKind<'cx>, &Body<'cx>, HirId, Span) {
     }
 }
 
-impl<'cx> WithSearchPat for (&Attribute, &LateContext<'cx>) {
+// `Attribute` does not have the `hir` associated lifetime, so we cannot use the macro
+impl<'cx> WithSearchPat for &'cx Attribute {
     type Context = LateContext<'cx>;
 
     fn search_pat(&self, _cx: &Self::Context) -> (Pat, Pat) {
-        attr_search_pat(self.0)
+        attr_search_pat(self)
     }
 
     fn span(&self) -> Span {
-        self.0.span
+        self.span
     }
 }