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authorMatthias Krüger <476013+matthiaskrgr@users.noreply.github.com>2025-10-02 10:27:49 +0200
committerGitHub <noreply@github.com>2025-10-02 10:27:49 +0200
commitac7beab527861103dd1e1515d534f87956786554 (patch)
tree52d7ecb9c0fd9d077a7a7a897d052734e2629cb7 /tests/ui/parser/macro/macro-attr-bad.stderr
parent92aac1bdf61642cfc99498ca86e663cf53d2039e (diff)
parent4fc0a0d42a66e9b248fa527f7f063ec7226803dd (diff)
downloadrust-ac7beab527861103dd1e1515d534f87956786554.tar.gz
rust-ac7beab527861103dd1e1515d534f87956786554.zip
Rollup merge of #146535 - joshtriplett:mbe-unsafe-attr, r=petrochenkov
mbe: Implement `unsafe` attribute rules

This implements `unsafe attr` rules for declarative `macro_rules!` attributes, as specified in [RFC 3697](https://github.com/rust-lang/rfcs/pull/3697).

An invocation of an attribute that uses an `unsafe attr` rule requires the `unsafe(attr(...))` syntax.

An invocation of an attribute that uses an ordinary `attr` rule must *not* use the `unsafe(attr(...))` syntax.

`unsafe` is only supported on an `attr` rule, not any other kind of `macro_rules!` rule.

Tracking issue for `macro_rules!` attributes: https://github.com/rust-lang/rust/issues/143547
Diffstat (limited to 'tests/ui/parser/macro/macro-attr-bad.stderr')
-rw-r--r--tests/ui/parser/macro/macro-attr-bad.stderr26
1 files changed, 19 insertions, 7 deletions
diff --git a/tests/ui/parser/macro/macro-attr-bad.stderr b/tests/ui/parser/macro/macro-attr-bad.stderr
index bf0ed13cd55..481ef8118ae 100644
--- a/tests/ui/parser/macro/macro-attr-bad.stderr
+++ b/tests/ui/parser/macro/macro-attr-bad.stderr
@@ -22,8 +22,20 @@ error: macro definition ended unexpectedly
 LL | macro_rules! attr_incomplete_4 { attr() {} => }
    |                                              ^ expected right-hand side of macro rule
 
+error: macro definition ended unexpectedly
+  --> $DIR/macro-attr-bad.rs:16:40
+   |
+LL | macro_rules! attr_incomplete_5 { unsafe }
+   |                                        ^ expected `attr`
+
+error: macro definition ended unexpectedly
+  --> $DIR/macro-attr-bad.rs:19:45
+   |
+LL | macro_rules! attr_incomplete_6 { unsafe attr }
+   |                                             ^ expected macro attr args
+
 error: `attr` rule argument matchers require parentheses
-  --> $DIR/macro-attr-bad.rs:16:36
+  --> $DIR/macro-attr-bad.rs:22:36
    |
 LL | macro_rules! attr_noparens_1 { attr{} {} => {} }
    |                                    ^^
@@ -35,7 +47,7 @@ LL + macro_rules! attr_noparens_1 { attr() {} => {} }
    |
 
 error: `attr` rule argument matchers require parentheses
-  --> $DIR/macro-attr-bad.rs:19:36
+  --> $DIR/macro-attr-bad.rs:25:36
    |
 LL | macro_rules! attr_noparens_2 { attr[] {} => {} }
    |                                    ^^
@@ -47,13 +59,13 @@ LL + macro_rules! attr_noparens_2 { attr() {} => {} }
    |
 
 error: invalid macro matcher; matchers must be contained in balanced delimiters
-  --> $DIR/macro-attr-bad.rs:22:37
+  --> $DIR/macro-attr-bad.rs:28:37
    |
 LL | macro_rules! attr_noparens_3 { attr _ {} => {} }
    |                                     ^
 
 error: duplicate matcher binding
-  --> $DIR/macro-attr-bad.rs:25:52
+  --> $DIR/macro-attr-bad.rs:31:52
    |
 LL | macro_rules! attr_dup_matcher_1 { attr() {$x:ident $x:ident} => {} }
    |                                           -------- ^^^^^^^^ duplicate binding
@@ -61,7 +73,7 @@ LL | macro_rules! attr_dup_matcher_1 { attr() {$x:ident $x:ident} => {} }
    |                                           previous binding
 
 error: duplicate matcher binding
-  --> $DIR/macro-attr-bad.rs:28:49
+  --> $DIR/macro-attr-bad.rs:34:49
    |
 LL | macro_rules! attr_dup_matcher_2 { attr($x:ident $x:ident) {} => {} }
    |                                        -------- ^^^^^^^^ duplicate binding
@@ -69,12 +81,12 @@ LL | macro_rules! attr_dup_matcher_2 { attr($x:ident $x:ident) {} => {} }
    |                                        previous binding
 
 error: duplicate matcher binding
-  --> $DIR/macro-attr-bad.rs:31:51
+  --> $DIR/macro-attr-bad.rs:37:51
    |
 LL | macro_rules! attr_dup_matcher_3 { attr($x:ident) {$x:ident} => {} }
    |                                        --------   ^^^^^^^^ duplicate binding
    |                                        |
    |                                        previous binding
 
-error: aborting due to 10 previous errors
+error: aborting due to 12 previous errors