Tweak unexpected token wording

Author: estebank

src/libsyntax/parse/parser/diagnostics.rs

@@ -274,23 +274,23 @@ impl<'a> Parser<'a> {
         expected.sort_by_cached_key(|x| x.to_string());
         expected.dedup();
         let expect = tokens_to_string(&expected[..]);
-        let actual = self.this_token_to_string();
+        let actual = self.this_token_descr();
         let (msg_exp, (label_sp, label_exp)) = if expected.len() > 1 {
             let short_expect = if expected.len() > 6 {
                 format!("{} possible tokens", expected.len())
             } else {
                 expect.clone()
             };
-            (format!("expected one of {}, found `{}`", expect, actual),
+            (format!("expected one of {}, found {}", expect, actual),
                 (self.sess.source_map().next_point(self.prev_span),
                 format!("expected one of {} here", short_expect)))
         } else if expected.is_empty() {
-            (format!("unexpected token: `{}`", actual),
+            (format!("unexpected token: {}", actual),
                 (self.prev_span, "unexpected token after this".to_string()))
         } else {
-            (format!("expected {}, found `{}`", expect, actual),
+            (format!("expected {}, found {}", expect, actual),
                 (self.sess.source_map().next_point(self.prev_span),
-                format!("expected {} here", expect)))
+                format!("expected {}", expect)))
         };
         self.last_unexpected_token_span = Some(self.token.span);
         let mut err = self.fatal(&msg_exp);

src/test/ui/async-await/no-async-const.rs

@@ -3,4 +3,4 @@
 // compile-flags: --crate-type lib
 
 pub async const fn x() {}
-//~^ ERROR expected one of `fn` or `unsafe`, found `const`
+//~^ ERROR expected one of `fn` or `unsafe`, found keyword `const`

src/test/ui/async-await/no-async-const.stderr

@@ -1,4 +1,4 @@
-error: expected one of `fn` or `unsafe`, found `const`
+error: expected one of `fn` or `unsafe`, found keyword `const`
   --> $DIR/no-async-const.rs:5:11
    |
 LL | pub async const fn x() {}

src/test/ui/async-await/no-unsafe-async.rs

@@ -4,8 +4,8 @@ struct S;
 
 impl S {
     #[cfg(FALSE)]
-    unsafe async fn g() {} //~ ERROR expected one of `extern` or `fn`, found `async`
+    unsafe async fn g() {} //~ ERROR expected one of `extern` or `fn`, found keyword `async`
 }
 
 #[cfg(FALSE)]
-unsafe async fn f() {} //~ ERROR expected one of `extern`, `fn`, or `{`, found `async`
+unsafe async fn f() {} //~ ERROR expected one of `extern`, `fn`, or `{`, found keyword `async`

src/test/ui/async-await/no-unsafe-async.stderr

@@ -1,10 +1,10 @@
-error: expected one of `extern` or `fn`, found `async`
+error: expected one of `extern` or `fn`, found keyword `async`
   --> $DIR/no-unsafe-async.rs:7:12
    |
 LL |     unsafe async fn g() {}
    |            ^^^^^ expected one of `extern` or `fn` here
 
-error: expected one of `extern`, `fn`, or `{`, found `async`
+error: expected one of `extern`, `fn`, or `{`, found keyword `async`
   --> $DIR/no-unsafe-async.rs:11:8
    |
 LL | unsafe async fn f() {}

src/test/ui/can-begin-expr-check.rs

@@ -16,5 +16,5 @@ pub fn main() {
         return break as ();
     }
 
-    return enum; //~ ERROR expected one of `.`, `;`, `?`, `}`, or an operator, found `enum`
+    return enum; //~ ERROR expected one of `.`, `;`, `?`, `}`, or an operator, found keyword `enum`
 }

src/test/ui/can-begin-expr-check.stderr

@@ -1,4 +1,4 @@
-error: expected one of `.`, `;`, `?`, `}`, or an operator, found `enum`
+error: expected one of `.`, `;`, `?`, `}`, or an operator, found keyword `enum`
   --> $DIR/can-begin-expr-check.rs:19:12
    |
 LL |     return enum;

src/test/ui/issues/issue-43196.stderr

@@ -2,7 +2,7 @@ error: expected `|`, found `}`
   --> $DIR/issue-43196.rs:3:1
    |
 LL |     |
-   |      - expected `|` here
+   |      - expected `|`
 LL | }
    | ^ unexpected token
 

src/test/ui/keyword/extern/keyword-extern-as-identifier-type.stderr

@@ -2,7 +2,7 @@ error: expected `fn`, found `::`
   --> $DIR/keyword-extern-as-identifier-type.rs:1:16
    |
 LL | type A = extern::foo::bar;
-   |                ^^ expected `fn` here
+   |                ^^ expected `fn`
 
 error: aborting due to previous error
 

src/test/ui/macros/issue-54441.stderr

@@ -1,4 +1,4 @@
-error: expected one of `crate`, `fn`, `pub`, `static`, or `type`, found `let`
+error: expected one of `crate`, `fn`, `pub`, `static`, or `type`, found keyword `let`
   --> $DIR/issue-54441.rs:3:9
    |
 LL |         let

src/test/ui/parser/default.stderr

@@ -1,4 +1,4 @@
-error: expected one of `async`, `const`, `extern`, `fn`, `type`, or `unsafe`, found `pub`
+error: expected one of `async`, `const`, `extern`, `fn`, `type`, or `unsafe`, found keyword `pub`
   --> $DIR/default.rs:22:13
    |
 LL |     default pub fn foo<T: Default>() -> T { T::default() }

src/test/ui/parser/duplicate-visibility.stderr

@@ -1,4 +1,4 @@
-error: expected one of `(`, `fn`, `static`, or `type`, found `pub`
+error: expected one of `(`, `fn`, `static`, or `type`, found keyword `pub`
   --> $DIR/duplicate-visibility.rs:3:9
    |
 LL |     pub pub fn foo();

src/test/ui/parser/extern-expected-fn-or-brace.rs

@@ -1,4 +1,4 @@
 // Verifies that the expected token errors for `extern crate` are
 // raised
 
-extern "C" mod foo; //~ERROR expected one of `fn` or `{`, found `mod`
+extern "C" mod foo; //~ERROR expected one of `fn` or `{`, found keyword `mod`

src/test/ui/parser/extern-expected-fn-or-brace.stderr

@@ -1,4 +1,4 @@
-error: expected one of `fn` or `{`, found `mod`
+error: expected one of `fn` or `{`, found keyword `mod`
   --> $DIR/extern-expected-fn-or-brace.rs:4:12
    |
 LL | extern "C" mod foo;

src/test/ui/parser/impl-parsing.stderr

@@ -26,7 +26,7 @@ error: expected `impl`, found `FAIL`
   --> $DIR/impl-parsing.rs:11:16
    |
 LL | default unsafe FAIL
-   |                ^^^^ expected `impl` here
+   |                ^^^^ expected `impl`
 
 error: aborting due to 5 previous errors
 

src/test/ui/parser/import-from-path.stderr

@@ -2,7 +2,7 @@ error: expected `;`, found `::`
   --> $DIR/import-from-path.rs:2:15
    |
 LL | use foo::{bar}::baz
-   |               ^^ expected `;` here
+   |               ^^ expected `;`
 
 error: aborting due to previous error
 

src/test/ui/parser/import-from-rename.stderr

@@ -1,8 +1,8 @@
-error: expected `;`, found `as`
+error: expected `;`, found keyword `as`
   --> $DIR/import-from-rename.rs:3:16
    |
 LL | use foo::{bar} as baz;
-   |                ^^ expected `;` here
+   |                ^^ expected `;`
 
 error: aborting due to previous error
 

src/test/ui/parser/import-glob-path.stderr

@@ -2,7 +2,7 @@ error: expected `;`, found `::`
   --> $DIR/import-glob-path.rs:2:11
    |
 LL | use foo::*::bar
-   |           ^^ expected `;` here
+   |           ^^ expected `;`
 
 error: aborting due to previous error
 

src/test/ui/parser/import-glob-rename.stderr

@@ -1,8 +1,8 @@
-error: expected `;`, found `as`
+error: expected `;`, found keyword `as`
   --> $DIR/import-glob-rename.rs:3:12
    |
 LL | use foo::* as baz;
-   |            ^^ expected `;` here
+   |            ^^ expected `;`
 
 error: aborting due to previous error
 

src/test/ui/parser/issue-15980.rs

@@ -11,7 +11,7 @@ fn main(){
         }
         //~^ NOTE expected one of `.`, `=>`, `?`, or an operator here
         _ => {}
-        //~^ ERROR expected one of `.`, `=>`, `?`, or an operator, found `_`
+        //~^ ERROR expected one of `.`, `=>`, `?`, or an operator, found reserved identifier `_`
         //~| NOTE unexpected token
     }
 }

src/test/ui/parser/issue-15980.stderr

@@ -12,7 +12,7 @@ help: you can escape reserved keywords to use them as identifiers
 LL |             r#return
    |
 
-error: expected one of `.`, `=>`, `?`, or an operator, found `_`
+error: expected one of `.`, `=>`, `?`, or an operator, found reserved identifier `_`
   --> $DIR/issue-15980.rs:13:9
    |
 LL |         }

src/test/ui/parser/issue-19398.rs

@@ -1,5 +1,5 @@
 trait T {
-    extern "Rust" unsafe fn foo(); //~ ERROR expected `fn`, found `unsafe`
+    extern "Rust" unsafe fn foo(); //~ ERROR expected `fn`, found keyword `unsafe`
 }
 
 fn main() {}

src/test/ui/parser/issue-19398.stderr

@@ -1,8 +1,8 @@
-error: expected `fn`, found `unsafe`
+error: expected `fn`, found keyword `unsafe`
   --> $DIR/issue-19398.rs:2:19
    |
 LL |     extern "Rust" unsafe fn foo();
-   |                   ^^^^^^ expected `fn` here
+   |                   ^^^^^^ expected `fn`
 
 error: aborting due to previous error
 

src/test/ui/parser/raw/raw-literal-keywords.rs

@@ -1,5 +1,5 @@
 fn test_if() {
-    r#if true { } //~ ERROR found `true`
+    r#if true { } //~ ERROR found keyword `true`
 }
 
 fn test_struct() {

src/test/ui/parser/raw/raw-literal-keywords.stderr

@@ -1,4 +1,4 @@
-error: expected one of `!`, `.`, `::`, `;`, `?`, `{`, `}`, or an operator, found `true`
+error: expected one of `!`, `.`, `::`, `;`, `?`, `{`, `}`, or an operator, found keyword `true`
   --> $DIR/raw-literal-keywords.rs:2:10
    |
 LL |     r#if true { }

src/test/ui/parser/recover-for-loop-parens-around-head.rs

@@ -8,7 +8,7 @@ fn main() {
     let vec = vec![1, 2, 3];
 
     for ( elem in vec ) {
-        //~^ ERROR expected one of `)`, `,`, `@`, or `|`, found `in`
+        //~^ ERROR expected one of `)`, `,`, `@`, or `|`, found keyword `in`
         //~| ERROR unexpected closing `)`
         const RECOVERY_WITNESS: () = 0; //~ ERROR mismatched types
     }

src/test/ui/parser/recover-for-loop-parens-around-head.stderr

@@ -1,4 +1,4 @@
-error: expected one of `)`, `,`, `@`, or `|`, found `in`
+error: expected one of `)`, `,`, `@`, or `|`, found keyword `in`
   --> $DIR/recover-for-loop-parens-around-head.rs:10:16
    |
 LL |     for ( elem in vec ) {

src/test/ui/parser/removed-syntax-static-fn.stderr

@@ -1,4 +1,4 @@
-error: expected one of `async`, `const`, `crate`, `default`, `extern`, `fn`, `pub`, `type`, `unsafe`, or `}`, found `static`
+error: expected one of `async`, `const`, `crate`, `default`, `extern`, `fn`, `pub`, `type`, `unsafe`, or `}`, found keyword `static`
   --> $DIR/removed-syntax-static-fn.rs:4:5
    |
 LL | impl S {

src/test/ui/parser/removed-syntax-uniq-mut-ty.rs

@@ -1 +1,2 @@
-type mut_box = Box<mut isize>; //~ ERROR expected one of `>`, const, lifetime, or type, found `mut`
+type mut_box = Box<mut isize>;
+//~^ ERROR expected one of `>`, const, lifetime, or type, found keyword `mut`

src/test/ui/parser/removed-syntax-uniq-mut-ty.stderr

@@ -1,4 +1,4 @@
-error: expected one of `>`, const, lifetime, or type, found `mut`
+error: expected one of `>`, const, lifetime, or type, found keyword `mut`
   --> $DIR/removed-syntax-uniq-mut-ty.rs:1:20
    |
 LL | type mut_box = Box<mut isize>;

src/test/ui/parser/underscore_item_not_const.rs

@@ -25,6 +25,6 @@ use _ as g; //~ ERROR expected identifier, found reserved identifier `_`
 trait _ {} //~ ERROR expected identifier, found reserved identifier `_`
 trait _ = Copy; //~ ERROR expected identifier, found reserved identifier `_`
 macro_rules! _ { () => {} } //~ ERROR expected identifier, found reserved identifier `_`
-union _ { f: u8 } //~ ERROR expected one of `!` or `::`, found `_`
+union _ { f: u8 } //~ ERROR expected one of `!` or `::`, found reserved identifier `_`
 
 fn main() {}

src/test/ui/parser/underscore_item_not_const.stderr

@@ -82,7 +82,7 @@ error: expected identifier, found reserved identifier `_`
 LL | macro_rules! _ { () => {} }
    |              ^ expected identifier, found reserved identifier
 
-error: expected one of `!` or `::`, found `_`
+error: expected one of `!` or `::`, found reserved identifier `_`
   --> $DIR/underscore_item_not_const.rs:28:7
    |
 LL | union _ { f: u8 }