1 files changed, 71 insertions, 0 deletions
diff --git a/servo/components/hashglobe/src/lib.rs b/servo/components/hashglobe/src/lib.rs
new file mode 100644
index 0000000000..cf6e9710f5
--- /dev/null
+++ b/servo/components/hashglobe/src/lib.rs
@@ -0,0 +1,71 @@
+// Copyright 2014-2015 The Rust Project Developers. See the COPYRIGHT
+// file at the top-level directory of this distribution and at
+// http://rust-lang.org/COPYRIGHT.
+//
+// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
+// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
+// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
+// option. This file may not be copied, modified, or distributed
+// except according to those terms.
+
+pub mod alloc;
+pub mod hash_map;
+pub mod hash_set;
+mod shim;
+mod table;
+
+pub mod fake;
+
+use std::{error, fmt};
+
+trait Recover<Q: ?Sized> {
+    type Key;
+
+    fn get(&self, key: &Q) -> Option<&Self::Key>;
+    fn take(&mut self, key: &Q) -> Option<Self::Key>;
+    fn replace(&mut self, key: Self::Key) -> Option<Self::Key>;
+}
+
+#[derive(Debug)]
+pub struct AllocationInfo {
+    /// The size we are requesting.
+    size: usize,
+    /// The alignment we are requesting.
+    alignment: usize,
+}
+
+#[derive(Debug)]
+pub struct FailedAllocationError {
+    reason: &'static str,
+    /// The allocation info we are requesting, if needed.
+    allocation_info: Option<AllocationInfo>,
+}
+
+impl FailedAllocationError {
+    #[inline]
+    pub fn new(reason: &'static str) -> Self {
+        Self {
+            reason,
+            allocation_info: None,
+        }
+    }
+}
+
+impl error::Error for FailedAllocationError {
+    fn description(&self) -> &str {
+        self.reason
+    }
+}
+
+impl fmt::Display for FailedAllocationError {
+    fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
+        match self.allocation_info {
+            Some(ref info) => write!(
+                f,
+                "{}, allocation: (size: {}, alignment: {})",
+                self.reason, info.size, info.alignment
+            ),
+            None => self.reason.fmt(f),
+        }
+    }
+}