diff options
| -rw-r--r-- | Cargo.lock | 1 | ||||
| -rw-r--r-- | compiler/rustc_passes/Cargo.toml | 1 | ||||
| -rw-r--r-- | compiler/rustc_passes/src/check_attr.rs | 11 |
3 files changed, 6 insertions, 7 deletions
diff --git a/Cargo.lock b/Cargo.lock index 25039b5cbd9..ceb3bdc6b22 100644 --- a/Cargo.lock +++ b/Cargo.lock @@ -4268,6 +4268,7 @@ name = "rustc_passes" version = "0.0.0" dependencies = [ "rustc_ast", + "rustc_ast_pretty", "rustc_attr", "rustc_data_structures", "rustc_errors", diff --git a/compiler/rustc_passes/Cargo.toml b/compiler/rustc_passes/Cargo.toml index c87799f1c2a..4069fb2127e 100644 --- a/compiler/rustc_passes/Cargo.toml +++ b/compiler/rustc_passes/Cargo.toml @@ -19,3 +19,4 @@ rustc_serialize = { path = "../rustc_serialize" } rustc_span = { path = "../rustc_span" } rustc_trait_selection = { path = "../rustc_trait_selection" } rustc_lexer = { path = "../rustc_lexer" } +rustc_ast_pretty = { path = "../rustc_ast_pretty" } diff --git a/compiler/rustc_passes/src/check_attr.rs b/compiler/rustc_passes/src/check_attr.rs index 2edc2315f05..98771c91958 100644 --- a/compiler/rustc_passes/src/check_attr.rs +++ b/compiler/rustc_passes/src/check_attr.rs @@ -597,13 +597,10 @@ impl CheckAttrVisitor<'tcx> { hir_id, i_meta.span, |lint| { - let msg = if let Ok(snippet) = - self.tcx.sess.source_map().span_to_snippet(i_meta.path.span) - { - format!("unknown `doc` attribute `{}`", snippet,) - } else { - String::from("unknown `doc` attribute") - }; + let msg = format!( + "unknown `doc` attribute `{}`", + rustc_ast_pretty::pprust::path_to_string(&i_meta.path), + ); lint.build(&msg).emit(); }, ); |