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diff --git a/vendor/core-foundation/src/lib.rs b/vendor/core-foundation/src/lib.rs
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+// Copyright 2013 The Servo Project Developers. See the COPYRIGHT
+// file at the top-level directory of this distribution.
+//
+// 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.
+
+#![allow(non_snake_case)]
+
+//! This crate provides wrappers around the underlying CoreFoundation
+//! types and functions that are available on Apple's operating systems.
+//!
+//! It also provides a framework for other crates to use when wrapping
+//! other frameworks that use the CoreFoundation framework.
+
+extern crate core_foundation_sys;
+extern crate libc;
+
+#[cfg(feature = "with-chrono")]
+extern crate chrono;
+
+use base::TCFType;
+
+pub unsafe trait ConcreteCFType: TCFType {}
+
+/// Declare a Rust type that wraps an underlying CoreFoundation type.
+///
+/// This will provide an implementation of `Drop` using [`CFRelease`].
+/// The type must have an implementation of the [`TCFType`] trait, usually
+/// provided using the [`impl_TCFType`] macro.
+///
+/// ```
+/// #[macro_use] extern crate core_foundation;
+/// // Make sure that the `TCFType` trait is in scope.
+/// use core_foundation::base::{CFTypeID, TCFType};
+///
+/// extern "C" {
+///     // We need a function that returns the `CFTypeID`.
+///     pub fn ShrubberyGetTypeID() -> CFTypeID;
+/// }
+///
+/// pub struct __Shrubbery {}
+/// // The ref type must be a pointer to the underlying struct.
+/// pub type ShrubberyRef = *const __Shrubbery;
+///
+/// declare_TCFType!(Shrubbery, ShrubberyRef);
+/// impl_TCFType!(Shrubbery, ShrubberyRef, ShrubberyGetTypeID);
+/// # fn main() {}
+/// ```
+///
+/// [`CFRelease`]: https://developer.apple.com/documentation/corefoundation/1521153-cfrelease
+/// [`TCFType`]: base/trait.TCFType.html
+/// [`impl_TCFType`]: macro.impl_TCFType.html
+#[macro_export]
+macro_rules! declare_TCFType {
+    (
+        $(#[$doc:meta])*
+        $ty:ident, $raw:ident
+    ) => {
+        $(#[$doc])*
+        pub struct $ty($raw);
+
+        impl Drop for $ty {
+            fn drop(&mut self) {
+                unsafe { $crate::base::CFRelease(self.as_CFTypeRef()) }
+            }
+        }
+    }
+}
+
+/// Provide an implementation of the [`TCFType`] trait for the Rust
+/// wrapper type around an underlying CoreFoundation type.
+///
+/// See [`declare_TCFType`] for details.
+///
+/// [`declare_TCFType`]: macro.declare_TCFType.html
+/// [`TCFType`]: base/trait.TCFType.html
+#[macro_export]
+macro_rules! impl_TCFType {
+    ($ty:ident, $ty_ref:ident, $ty_id:ident) => {
+        impl_TCFType!($ty<>, $ty_ref, $ty_id);
+        unsafe impl $crate::ConcreteCFType for $ty { }
+    };
+
+    ($ty:ident<$($p:ident $(: $bound:path)*),*>, $ty_ref:ident, $ty_id:ident) => {
+        impl<$($p $(: $bound)*),*> $crate::base::TCFType for $ty<$($p),*> {
+            type Ref = $ty_ref;
+
+            #[inline]
+            fn as_concrete_TypeRef(&self) -> $ty_ref {
+                self.0
+            }
+
+            #[inline]
+            unsafe fn wrap_under_get_rule(reference: $ty_ref) -> Self {
+                assert!(!reference.is_null(), "Attempted to create a NULL object.");
+                let reference = $crate::base::CFRetain(reference as *const ::std::os::raw::c_void) as $ty_ref;
+                $crate::base::TCFType::wrap_under_create_rule(reference)
+            }
+
+            #[inline]
+            fn as_CFTypeRef(&self) -> $crate::base::CFTypeRef {
+                self.as_concrete_TypeRef() as $crate::base::CFTypeRef
+            }
+
+            #[inline]
+            unsafe fn wrap_under_create_rule(reference: $ty_ref) -> Self {
+                assert!(!reference.is_null(), "Attempted to create a NULL object.");
+                // we need one PhantomData for each type parameter so call ourselves
+                // again with @Phantom $p to produce that
+                $ty(reference $(, impl_TCFType!(@Phantom $p))*)
+            }
+
+            #[inline]
+            fn type_id() -> $crate::base::CFTypeID {
+                unsafe {
+                    $ty_id()
+                }
+            }
+        }
+
+        impl Clone for $ty {
+            #[inline]
+            fn clone(&self) -> $ty {
+                unsafe {
+                    $ty::wrap_under_get_rule(self.0)
+                }
+            }
+        }
+
+        impl PartialEq for $ty {
+            #[inline]
+            fn eq(&self, other: &$ty) -> bool {
+                self.as_CFType().eq(&other.as_CFType())
+            }
+        }
+
+        impl Eq for $ty { }
+
+        unsafe impl<'a> $crate::base::ToVoid<$ty> for &'a $ty {
+            fn to_void(&self) -> *const ::std::os::raw::c_void {
+                use $crate::base::TCFTypeRef;
+                self.as_concrete_TypeRef().as_void_ptr()
+            }
+        }
+
+        unsafe impl $crate::base::ToVoid<$ty> for $ty {
+            fn to_void(&self) -> *const ::std::os::raw::c_void {
+                use $crate::base::TCFTypeRef;
+                self.as_concrete_TypeRef().as_void_ptr()
+            }
+        }
+
+        unsafe impl $crate::base::ToVoid<$ty> for $ty_ref {
+            fn to_void(&self) -> *const ::std::os::raw::c_void {
+                use $crate::base::TCFTypeRef;
+                self.as_void_ptr()
+            }
+        }
+
+    };
+
+    (@Phantom $x:ident) => { ::std::marker::PhantomData };
+}
+
+
+/// Implement `std::fmt::Debug` for the given type.
+///
+/// This will invoke the implementation of `Debug` for [`CFType`]
+/// which invokes [`CFCopyDescription`].
+///
+/// The type must have an implementation of the [`TCFType`] trait, usually
+/// provided using the [`impl_TCFType`] macro.
+///
+/// [`CFType`]: base/struct.CFType.html#impl-Debug
+/// [`CFCopyDescription`]: https://developer.apple.com/documentation/corefoundation/1521252-cfcopydescription?language=objc
+/// [`TCFType`]: base/trait.TCFType.html
+/// [`impl_TCFType`]: macro.impl_TCFType.html
+#[macro_export]
+macro_rules! impl_CFTypeDescription {
+    ($ty:ident) => {
+        // it's fine to use an empty <> list
+        impl_CFTypeDescription!($ty<>);
+    };
+    ($ty:ident<$($p:ident $(: $bound:path)*),*>) => {
+        impl<$($p $(: $bound)*),*> ::std::fmt::Debug for $ty<$($p),*> {
+            fn fmt(&self, f: &mut ::std::fmt::Formatter) -> ::std::fmt::Result {
+                self.as_CFType().fmt(f)
+            }
+        }
+    }
+}
+
+#[macro_export]
+macro_rules! impl_CFComparison {
+    ($ty:ident, $compare:ident) => {
+        impl PartialOrd for $ty {
+            #[inline]
+            fn partial_cmp(&self, other: &$ty) -> Option<::std::cmp::Ordering> {
+                unsafe {
+                    Some($compare(self.as_concrete_TypeRef(), other.as_concrete_TypeRef(), ::std::ptr::null_mut()).into())
+                }
+            }
+        }
+
+        impl Ord for $ty {
+            #[inline]
+            fn cmp(&self, other: &$ty) -> ::std::cmp::Ordering {
+                self.partial_cmp(other).unwrap()
+            }
+        }
+    }
+}
+
+pub mod array;
+pub mod attributed_string;
+pub mod base;
+pub mod boolean;
+pub mod characterset;
+pub mod data;
+pub mod date;
+pub mod dictionary;
+pub mod error;
+pub mod filedescriptor;
+pub mod number;
+pub mod set;
+pub mod string;
+pub mod url;
+pub mod bundle;
+pub mod propertylist;
+pub mod runloop;
+pub mod timezone;
+pub mod uuid;
+pub mod mach_port;