Add listing of lints (eg via -W help) to rustdoc

2 files changed, 33 insertions, 0 deletions

diff --git a/src/test/rustdoc-ui/issue-83883-describe-lints.rs b/src/test/rustdoc-ui/issue-83883-describe-lints.rs
new file mode 100644
index 00000000000..a261b782d48
--- /dev/null
+++ b/src/test/rustdoc-ui/issue-83883-describe-lints.rs
@@ -0,0 +1,8 @@
+// compile-flags: -W help
+// check-pass
+//
+// ignore-tidy-linelength
+//
+// normalize-stdout-test: "( +name  default  meaning\n +----  -------  -------\n)?( *[[:word:]:-]+  (allow  |warn   |deny   |forbid )  [^\n]+\n)+" -> "    $$NAMES  $$LEVELS  $$MEANINGS"
+// normalize-stdout-test: " +name  sub-lints\n +----  ---------\n( *[[:word:]:-]+  [^\n]+\n)+" -> "    $$NAMES  $$SUB_LINTS"
+// normalize-stdout-test: " +rustdoc::all(  (rustdoc::[[:word:]-]+, )*rustdoc::[[:word:]-]+)?" -> "    rustdoc::all  $$GROUPS$4"
diff --git a/src/test/rustdoc-ui/issue-83883-describe-lints.stdout b/src/test/rustdoc-ui/issue-83883-describe-lints.stdout
new file mode 100644
index 00000000000..651faf5761f
--- /dev/null
+++ b/src/test/rustdoc-ui/issue-83883-describe-lints.stdout
@@ -0,0 +1,25 @@
+
+Available lint options:
+    -W <foo>           Warn about <foo>
+    -A <foo>           Allow <foo>
+    -D <foo>           Deny <foo>
+    -F <foo>           Forbid <foo> (deny <foo> and all attempts to override)
+
+
+Lint checks provided by rustc:
+
+    $NAMES  $LEVELS  $MEANINGS
+
+Lint groups provided by rustc:
+
+    $NAMES  $SUB_LINTS
+
+Lint checks provided by plugins loaded by this crate:
+
+    $NAMES  $LEVELS  $MEANINGS
+
+Lint groups provided by plugins loaded by this crate:
+
+    rustdoc::all  $GROUPS
+
+