Implement Clone for Copy types.

components/script/dom/bindings/callback.rs

@@ -16,7 +16,7 @@ use std::ffi::CString;
 use std::ptr;
 
 /// The exception handling used for a call.
-#[derive(Copy, PartialEq)]
+#[derive(Copy, Clone, PartialEq)]
 pub enum ExceptionHandling {
     /// Report any exception and don't throw it to the caller code.
     Report,

components/script/dom/bindings/codegen/CodegenRust.py

@@ -2917,7 +2917,7 @@ class CGEnum(CGThing):
 
         decl = """\
 #[repr(usize)]
-#[derive(PartialEq, Copy)]
+#[derive(PartialEq, Copy, Clone)]
 #[jstraceable]
 pub enum %s {
     %s
@@ -5388,8 +5388,8 @@ class GlobalGenRoots():
         return CGList([
             CGGeneric(AUTOGENERATED_WARNING_COMMENT),
             CGGeneric("pub const MAX_PROTO_CHAIN_LENGTH: usize = %d;\n\n" % config.maxProtoChainLength),
-            CGNonNamespacedEnum('ID', protos, [0], deriving="PartialEq, Copy"),
-            CGNonNamespacedEnum('Proxies', proxies, [0], deriving="PartialEq, Copy"),
+            CGNonNamespacedEnum('ID', protos, [0], deriving="PartialEq, Copy, Clone"),
+            CGNonNamespacedEnum('Proxies', proxies, [0], deriving="PartialEq, Copy, Clone"),
         ])
 
 

components/script/dom/bindings/global.rs

@@ -25,7 +25,7 @@ use js::jsapi::{JS_GetClass};
 use url::Url;
 
 /// A freely-copyable reference to a rooted global object.
-#[derive(Copy)]
+#[derive(Copy, Clone)]
 pub enum GlobalRef<'a> {
     /// A reference to a `Window` object.
     Window(JSRef<'a, window::Window>),

components/script/dom/bindings/js.rs

@@ -124,6 +124,9 @@ impl<T: Reflectable> Rootable<T> for Unrooted<T> {
 }
 
 impl<T> Copy for Unrooted<T> {}
+impl<T> Clone for Unrooted<T> {
+    fn clone(&self) -> Unrooted<T> { *self }
+}
 
 /// A type that represents a JS-owned value that is rooted for the lifetime of
 /// this value. Importantly, it requires explicit rooting in order to interact
@@ -545,6 +548,9 @@ pub struct RootCollection {
 pub struct RootCollectionPtr(pub *const RootCollection);
 
 impl Copy for RootCollectionPtr {}
+impl Clone for RootCollectionPtr {
+    fn clone(&self) -> RootCollectionPtr { *self }
+}
 
 impl RootCollection {
     /// Create an empty collection of roots

components/script/dom/bindings/utils.rs

@@ -129,7 +129,7 @@ pub struct NativePropertyHooks {
 }
 
 /// The struct that holds inheritance information for DOM object reflectors.
-#[derive(Copy)]
+#[derive(Copy, Clone)]
 pub struct DOMClass {
     /// A list of interfaces that this object implements, in order of decreasing
     /// derivedness.
@@ -148,6 +148,9 @@ pub struct DOMJSClass {
     /// Associated data for DOM object reflectors.
     pub dom_class: DOMClass
 }
+impl Clone for DOMJSClass {
+    fn clone(&self) -> DOMJSClass { *self }
+}
 unsafe impl Sync for DOMJSClass {}
 
 /// Returns the ProtoOrIfaceArray for the given global object.

components/script/dom/domexception.rs

@@ -13,7 +13,7 @@ use util::str::DOMString;
 use std::borrow::ToOwned;
 
 #[repr(u16)]
-#[derive(Copy, Debug)]
+#[derive(Copy, Clone, Debug)]
 #[jstraceable]
 pub enum DOMErrorName {
     IndexSizeError = DOMExceptionConstants::INDEX_SIZE_ERR,

components/script/dom/element.rs

@@ -108,7 +108,7 @@ impl ElementDerived for EventTarget {
     }
 }
 
-#[derive(Copy, PartialEq, Debug)]
+#[derive(Copy, Clone, PartialEq, Debug)]
 #[jstraceable]
 pub enum ElementTypeId {
     HTMLElement(HTMLElementTypeId),

components/script/dom/event.rs

@@ -19,7 +19,7 @@ use std::default::Default;
 use time;
 
 #[jstraceable]
-#[derive(Copy)]
+#[derive(Copy, Clone)]
 #[repr(u16)]
 pub enum EventPhase {
     None      = EventConstants::NONE,

components/script/dom/eventtarget.rs

@@ -33,14 +33,14 @@ use url::Url;
 
 use std::collections::HashMap;
 
-#[derive(Copy, PartialEq)]
+#[derive(Copy, Clone, PartialEq)]
 #[jstraceable]
 pub enum ListenerPhase {
     Capturing,
     Bubbling,
 }
 
-#[derive(Copy, PartialEq)]
+#[derive(Copy, Clone, PartialEq)]
 #[jstraceable]
 pub enum EventTargetTypeId {
     Node(NodeTypeId),
@@ -51,7 +51,7 @@ pub enum EventTargetTypeId {
     XMLHttpRequestEventTarget(XMLHttpRequestEventTargetTypeId)
 }
 
-#[derive(Copy, PartialEq)]
+#[derive(Copy, Clone, PartialEq)]
 #[jstraceable]
 pub enum EventListenerType {
     Additive(EventListener),
@@ -67,7 +67,7 @@ impl EventListenerType {
     }
 }
 
-#[derive(Copy, PartialEq)]
+#[derive(Copy, Clone, PartialEq)]
 #[jstraceable]
 #[privatize]
 pub struct EventListenerEntry {

components/script/dom/htmlbuttonelement.rs

@@ -29,7 +29,7 @@ use std::cell::Cell;
 use string_cache::Atom;
 
 #[jstraceable]
-#[derive(PartialEq, Copy)]
+#[derive(PartialEq, Copy, Clone)]
 #[allow(dead_code)]
 enum ButtonType {
     ButtonSubmit,

components/script/dom/htmlelement.rs

@@ -239,7 +239,7 @@ impl<'a> VirtualMethods for JSRef<'a, HTMLElement> {
     }
 }
 
-#[derive(Copy, PartialEq, Debug)]
+#[derive(Copy, Clone, PartialEq, Debug)]
 #[jstraceable]
 pub enum HTMLElementTypeId {
     HTMLElement,

components/script/dom/htmlformelement.rs

@@ -133,13 +133,13 @@ impl<'a> HTMLFormElementMethods for JSRef<'a, HTMLFormElement> {
     }
 }
 
-#[derive(Copy)]
+#[derive(Copy, Clone)]
 pub enum SubmittedFrom {
     FromFormSubmitMethod,
     NotFromFormSubmitMethod
 }
 
-#[derive(Copy)]
+#[derive(Copy, Clone)]
 pub enum ResetFrom {
     FromFormResetMethod,
     NotFromFormResetMethod
@@ -407,21 +407,21 @@ pub struct FormDatum {
     pub value: DOMString
 }
 
-#[derive(Copy)]
+#[derive(Copy, Clone)]
 pub enum FormEncType {
     TextPlainEncoded,
     UrlEncoded,
     FormDataEncoded
 }
 
-#[derive(Copy)]
+#[derive(Copy, Clone)]
 pub enum FormMethod {
     FormGet,
     FormPost,
     FormDialog
 }
 
-#[derive(Copy)]
+#[derive(Copy, Clone)]
 pub enum FormSubmitter<'a> {
     FormElement(JSRef<'a, HTMLFormElement>),
     InputElement(JSRef<'a, HTMLInputElement>),

components/script/dom/htmlinputelement.rs

@@ -48,7 +48,7 @@ const DEFAULT_SUBMIT_VALUE: &'static str = "Submit";
 const DEFAULT_RESET_VALUE: &'static str = "Reset";
 
 #[jstraceable]
-#[derive(PartialEq, Copy)]
+#[derive(PartialEq, Copy, Clone)]
 #[allow(dead_code)]
 enum InputType {
     InputSubmit,

components/script/dom/htmlmediaelement.rs

@@ -38,7 +38,7 @@ impl HTMLMediaElement {
     }
 }
 
-#[derive(Copy, PartialEq, Debug)]
+#[derive(Copy, Clone, PartialEq, Debug)]
 #[jstraceable]
 pub enum HTMLMediaElementTypeId {
     HTMLAudioElement,

components/script/dom/htmltablecellelement.rs

@@ -16,7 +16,7 @@ use cssparser::RGBA;
 use util::str::{self, DOMString, LengthOrPercentageOrAuto};
 use std::cell::Cell;
 
-#[derive(Copy, PartialEq, Debug)]
+#[derive(Copy, Clone, PartialEq, Debug)]
 #[jstraceable]
 pub enum HTMLTableCellElementTypeId {
     HTMLTableDataCellElement,

components/script/dom/node.rs

@@ -190,7 +190,7 @@ impl Drop for Node {
 /// suppress observers flag
 /// https://dom.spec.whatwg.org/#concept-node-insert
 /// https://dom.spec.whatwg.org/#concept-node-remove
-#[derive(Copy)]
+#[derive(Copy, Clone)]
 enum SuppressObserver {
     Suppressed,
     Unsuppressed
@@ -266,7 +266,7 @@ impl LayoutDataRef {
 }
 
 /// The different types of nodes.
-#[derive(Copy, PartialEq, Debug)]
+#[derive(Copy, Clone, PartialEq, Debug)]
 #[jstraceable]
 pub enum NodeTypeId {
     DocumentType,
@@ -1311,7 +1311,7 @@ impl Iterator for TreeIterator {
 
 
 /// Specifies whether children must be recursively cloned or not.
-#[derive(Copy, PartialEq)]
+#[derive(Copy, Clone, PartialEq)]
 pub enum CloneChildrenFlag {
     CloneChildren,
     DoNotCloneChildren

components/script/dom/servohtmlparser.rs

@@ -33,7 +33,7 @@ pub struct Sink {
 
 /// FragmentContext is used only to pass this group of related values
 /// into functions.
-#[derive(Copy)]
+#[derive(Copy, Clone)]
 pub struct FragmentContext<'a> {
     pub context_elem: JSRef<'a, Node>,
     pub form_elem: Option<JSRef<'a, Node>>,

components/script/dom/workerglobalscope.rs

@@ -34,7 +34,7 @@ use std::rc::Rc;
 use std::cell::Cell;
 use url::{Url, UrlParser};
 
-#[derive(Copy, PartialEq)]
+#[derive(Copy, Clone, PartialEq)]
 #[jstraceable]
 pub enum WorkerGlobalScopeTypeId {
     DedicatedGlobalScope,

components/script/dom/xmlhttprequest.rs

@@ -67,7 +67,7 @@ use dom::bindings::codegen::UnionTypes::StringOrURLSearchParams;
 use dom::bindings::codegen::UnionTypes::StringOrURLSearchParams::{eString, eURLSearchParams};
 pub type SendParam = StringOrURLSearchParams;
 
-#[derive(PartialEq, Copy)]
+#[derive(PartialEq, Copy, Clone)]
 #[jstraceable]
 enum XMLHttpRequestState {
     Unsent = 0,

components/script/dom/xmlhttprequesteventtarget.rs

@@ -9,7 +9,7 @@ use dom::bindings::codegen::InheritTypes::XMLHttpRequestEventTargetDerived;
 use dom::bindings::js::JSRef;
 use dom::eventtarget::{EventTarget, EventTargetHelpers, EventTargetTypeId};
 
-#[derive(Copy, PartialEq)]
+#[derive(Copy, Clone, PartialEq)]
 #[jstraceable]
 pub enum XMLHttpRequestEventTargetTypeId {
     XMLHttpRequest,

components/script/script_task.rs

@@ -152,7 +152,7 @@ impl InProgressLoad {
     }
 }
 
-#[derive(Copy)]
+#[derive(Copy, Clone)]
 pub enum TimerSource {
     FromWindow(PipelineId),
     FromWorker

components/script/textinput.rs

@@ -17,14 +17,14 @@ use std::default::Default;
 use std::num::SignedInt;
 use std::sync::mpsc::channel;
 
-#[derive(Copy, PartialEq)]
+#[derive(Copy, Clone, PartialEq)]
 pub enum Selection {
     Selected,
     NotSelected
 }
 
 #[jstraceable]
-#[derive(Copy)]
+#[derive(Copy, Clone)]
 pub struct TextPoint {
     /// 0-based line number
     pub line: usize,

components/script/timers.rs

@@ -29,7 +29,7 @@ use std::time::duration::Duration;
 
 #[derive(PartialEq, Eq)]
 #[jstraceable]
-#[derive(Copy)]
+#[derive(Copy, Clone)]
 pub struct TimerId(i32);
 
 #[jstraceable]