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authorDylan DPC <99973273+Dylan-DPC@users.noreply.github.com>2023-04-21 20:35:28 +0530
committerGitHub <noreply@github.com>2023-04-21 20:35:28 +0530
commitfbc905e16adfbc934226a8bd9a5a4e16c8196aed (patch)
tree54deda0072af28603d192a7570b9df898b02dbc7
parentff4a5fbbe57c443e512377435770c72ba9593656 (diff)
parentdf8a48fc8aa537cda418c8c739df417122db3697 (diff)
downloadrust-fbc905e16adfbc934226a8bd9a5a4e16c8196aed.tar.gz
rust-fbc905e16adfbc934226a8bd9a5a4e16c8196aed.zip
Rollup merge of #110501 - notriddle:notriddle/ice-110495, r=petrochenkov
rustdoc: fix ICE from rustc_resolve and librustdoc parse divergence

Fixes #110495
-rw-r--r--compiler/rustc_resolve/src/rustdoc.rs1
-rw-r--r--tests/rustdoc-ui/intra-doc/issue-110495-suffix-with-space.rs6
-rw-r--r--tests/rustdoc-ui/intra-doc/issue-110495-suffix-with-space.stderr54
3 files changed, 61 insertions, 0 deletions
diff --git a/compiler/rustc_resolve/src/rustdoc.rs b/compiler/rustc_resolve/src/rustdoc.rs
index 9eae99be2e9..d433391f272 100644
--- a/compiler/rustc_resolve/src/rustdoc.rs
+++ b/compiler/rustc_resolve/src/rustdoc.rs
@@ -367,6 +367,7 @@ fn preprocess_link(link: &str) -> Box<str> {
     let link = link.strip_suffix("{}").unwrap_or(link);
     let link = link.strip_suffix("[]").unwrap_or(link);
     let link = if link != "!" { link.strip_suffix('!').unwrap_or(link) } else { link };
+    let link = link.trim();
     strip_generics_from_path(link).unwrap_or_else(|_| link.into())
 }
 
diff --git a/tests/rustdoc-ui/intra-doc/issue-110495-suffix-with-space.rs b/tests/rustdoc-ui/intra-doc/issue-110495-suffix-with-space.rs
new file mode 100644
index 00000000000..ef9c56f7592
--- /dev/null
+++ b/tests/rustdoc-ui/intra-doc/issue-110495-suffix-with-space.rs
@@ -0,0 +1,6 @@
+// this test used to ICE
+#![deny(rustdoc::broken_intra_doc_links)]
+//! [Clone ()]. //~ ERROR unresolved
+//! [Clone !]. //~ ERROR incompatible
+//! [`Clone ()`]. //~ ERROR unresolved
+//! [`Clone !`]. //~ ERROR incompatible
diff --git a/tests/rustdoc-ui/intra-doc/issue-110495-suffix-with-space.stderr b/tests/rustdoc-ui/intra-doc/issue-110495-suffix-with-space.stderr
new file mode 100644
index 00000000000..8669b0c2086
--- /dev/null
+++ b/tests/rustdoc-ui/intra-doc/issue-110495-suffix-with-space.stderr
@@ -0,0 +1,54 @@
+error: unresolved link to `Clone`
+  --> $DIR/issue-110495-suffix-with-space.rs:3:6
+   |
+LL | //! [Clone ()].
+   |      ^^^^^^^^ this link resolves to the trait `Clone`, which is not in the value namespace
+   |
+note: the lint level is defined here
+  --> $DIR/issue-110495-suffix-with-space.rs:2:9
+   |
+LL | #![deny(rustdoc::broken_intra_doc_links)]
+   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+help: to link to the trait, prefix with `trait@`
+   |
+LL - //! [Clone ()].
+LL + //! [trait@Clone ].
+   |
+
+error: incompatible link kind for `Clone`
+  --> $DIR/issue-110495-suffix-with-space.rs:4:6
+   |
+LL | //! [Clone !].
+   |      ^^^^^^^ this link resolved to a derive macro, which is not a macro
+   |
+help: to link to the derive macro, prefix with `derive@`
+   |
+LL - //! [Clone !].
+LL + //! [derive@Clone ].
+   |
+
+error: unresolved link to `Clone`
+  --> $DIR/issue-110495-suffix-with-space.rs:5:7
+   |
+LL | //! [`Clone ()`].
+   |       ^^^^^^^^ this link resolves to the trait `Clone`, which is not in the value namespace
+   |
+help: to link to the trait, prefix with `trait@`
+   |
+LL - //! [`Clone ()`].
+LL + //! [`trait@Clone (`].
+   |
+
+error: incompatible link kind for `Clone`
+  --> $DIR/issue-110495-suffix-with-space.rs:6:7
+   |
+LL | //! [`Clone !`].
+   |       ^^^^^^^ this link resolved to a derive macro, which is not a macro
+   |
+help: to link to the derive macro, prefix with `derive@`
+   |
+LL | //! [`derive@Clone !`].
+   |       +++++++
+
+error: aborting due to 4 previous errors
+