1 files changed, 4 insertions, 13 deletions

diff --git a/crates/ra_parser/src/grammar/params.rs b/crates/ra_parser/src/grammar/params.rs
index 834d80b52..0b09f1874 100644
--- a/crates/ra_parser/src/grammar/params.rs
+++ b/crates/ra_parser/src/grammar/params.rs
@@ -5,15 +5,12 @@ use super::*;
 // fn b(x: i32) {}
 // fn c(x: i32, ) {}
 // fn d(x: i32, y: ()) {}
-// fn g1(#[attr1] #[attr2] pat: Type) {}
-// fn g2(#[attr1] x: u8) {}
 pub(super) fn param_list(p: &mut Parser) {
     list_(p, Flavor::Normal)
 }
 
 // test param_list_opt_patterns
 // fn foo<F: FnMut(&mut Foo<'a>)>(){}
-// fn foo<F: FnMut(#[attr] &mut Foo<'a>)>(){}
 pub(super) fn param_list_opt_patterns(p: &mut Parser) {
     list_(p, Flavor::OptionalPattern)
 }
@@ -44,10 +41,14 @@ fn list_(p: &mut Parser, flavor: Flavor) {
     let m = p.start();
     p.bump();
     if flavor.type_required() {
+        // test self_param_outer_attr
+        // fn f(#[must_use] self) {}
         attributes::outer_attributes(p);
         opt_self_param(p);
     }
     while !p.at(EOF) && !p.at(ket) {
+        // test param_outer_arg
+        // fn f(#[attr1] pat: Type) {}
         attributes::outer_attributes(p);
 
         if flavor.type_required() && p.at(T![...]) {
@@ -65,7 +66,6 @@ fn list_(p: &mut Parser, flavor: Flavor) {
     }
     // test param_list_vararg
     // extern "C" { fn printf(format: *const i8, ...) -> i32; }
-    // extern "C" { fn printf(format: *const i8, #[attr] ...) -> i32; }
     if flavor.type_required() {
         p.eat(T![...]);
     }
@@ -95,7 +95,6 @@ fn value_parameter(p: &mut Parser, flavor: Flavor) {
             // test trait_fn_placeholder_parameter
             // trait Foo {
             //     fn bar(_: u64, mut x: i32);
-            //     fn bar(#[attr] _: u64, #[attr] mut x: i32);
             // }
             if (la0 == IDENT || la0 == T![_]) && la1 == T![:]
                 || la0 == T![mut] && la1 == IDENT && la2 == T![:]
@@ -119,12 +118,6 @@ fn value_parameter(p: &mut Parser, flavor: Flavor) {
 //     fn c(&'a self,) {}
 //     fn d(&'a mut self, x: i32) {}
 //     fn e(mut self) {}
-//     fn f(#[must_use] self) {}
-//     fn g1(#[attr] self) {}
-//     fn g2(#[attr] &self) {}
-//     fn g3<'a>(#[attr] &mut self) {}
-//     fn g4<'a>(#[attr] &'a self) {}
-//     fn g5<'a>(#[attr] &'a mut self) {}
 // }
 fn opt_self_param(p: &mut Parser) {
     let m;
@@ -136,8 +129,6 @@ fn opt_self_param(p: &mut Parser) {
         // impl S {
         //     fn a(self: &Self) {}
         //     fn b(mut self: Box<Self>) {}
-        //     fn c(#[attr] self: Self) {}
-        //     fn d(#[attr] self: Rc<Self>) {}
         // }
         if p.at(T![:]) {
             types::ascription(p);