1 files changed, 55 insertions, 0 deletions
diff --git a/third_party/rust/regex/src/literal/mod.rs b/third_party/rust/regex/src/literal/mod.rs
new file mode 100644
index 0000000000..980f523309
--- /dev/null
+++ b/third_party/rust/regex/src/literal/mod.rs
@@ -0,0 +1,55 @@
+pub use self::imp::*;
+
+#[cfg(feature = "perf-literal")]
+mod imp;
+
+#[allow(missing_docs)]
+#[cfg(not(feature = "perf-literal"))]
+mod imp {
+    use regex_syntax::hir::literal::Literals;
+
+    #[derive(Clone, Debug)]
+    pub struct LiteralSearcher(());
+
+    impl LiteralSearcher {
+        pub fn empty() -> Self {
+            LiteralSearcher(())
+        }
+
+        pub fn prefixes(_: Literals) -> Self {
+            LiteralSearcher(())
+        }
+
+        pub fn suffixes(_: Literals) -> Self {
+            LiteralSearcher(())
+        }
+
+        pub fn complete(&self) -> bool {
+            false
+        }
+
+        pub fn find(&self, _: &[u8]) -> Option<(usize, usize)> {
+            unreachable!()
+        }
+
+        pub fn find_start(&self, _: &[u8]) -> Option<(usize, usize)> {
+            unreachable!()
+        }
+
+        pub fn find_end(&self, _: &[u8]) -> Option<(usize, usize)> {
+            unreachable!()
+        }
+
+        pub fn is_empty(&self) -> bool {
+            true
+        }
+
+        pub fn len(&self) -> usize {
+            0
+        }
+
+        pub fn approximate_size(&self) -> usize {
+            0
+        }
+    }
+}