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https://github.com/servo/servo.git
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aa15dc269f
http://www.robohornet.org gives a score of 101.36 on master, and 102.68 with this PR. The latter is slightly better, but probably within noise level. So it looks like this PR does not affect DOM performance. This is expected since `Box::new` is defined as: ```rust impl<T> Box<T> { #[inline(always)] pub fn new(x: T) -> Box<T> { box x } } ``` With inlining, it should compile to the same as box syntax.
106 lines
3.9 KiB
Rust
106 lines
3.9 KiB
Rust
/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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use core::nonzero::NonZero;
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use document_loader::DocumentLoader;
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use dom::bindings::codegen::Bindings::DocumentBinding::DocumentMethods;
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use dom::bindings::codegen::Bindings::XMLDocumentBinding::{self, XMLDocumentMethods};
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use dom::bindings::inheritance::Castable;
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use dom::bindings::reflector::reflect_dom_object;
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use dom::bindings::root::DomRoot;
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use dom::bindings::str::DOMString;
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use dom::document::{Document, DocumentSource, HasBrowsingContext, IsHTMLDocument};
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use dom::location::Location;
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use dom::node::Node;
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use dom::window::Window;
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use dom_struct::dom_struct;
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use js::jsapi::{JSContext, JSObject};
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use script_traits::DocumentActivity;
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use servo_url::{MutableOrigin, ServoUrl};
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// https://dom.spec.whatwg.org/#xmldocument
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#[dom_struct]
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pub struct XMLDocument {
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document: Document,
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}
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impl XMLDocument {
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fn new_inherited(window: &Window,
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has_browsing_context: HasBrowsingContext,
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url: Option<ServoUrl>,
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origin: MutableOrigin,
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is_html_document: IsHTMLDocument,
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content_type: Option<DOMString>,
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last_modified: Option<String>,
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activity: DocumentActivity,
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source: DocumentSource,
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doc_loader: DocumentLoader) -> XMLDocument {
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XMLDocument {
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document: Document::new_inherited(window,
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has_browsing_context,
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url,
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origin,
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is_html_document,
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content_type,
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last_modified,
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activity,
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source,
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doc_loader,
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None,
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None),
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}
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}
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pub fn new(window: &Window,
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has_browsing_context: HasBrowsingContext,
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url: Option<ServoUrl>,
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origin: MutableOrigin,
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doctype: IsHTMLDocument,
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content_type: Option<DOMString>,
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last_modified: Option<String>,
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activity: DocumentActivity,
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source: DocumentSource,
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doc_loader: DocumentLoader)
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-> DomRoot<XMLDocument> {
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let doc = reflect_dom_object(
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Box::new(XMLDocument::new_inherited(
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window,
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has_browsing_context,
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url,
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origin,
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doctype,
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content_type,
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last_modified,
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activity,
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source,
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doc_loader
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)),
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window,
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XMLDocumentBinding::Wrap
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);
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{
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let node = doc.upcast::<Node>();
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node.set_owner_doc(&doc.document);
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}
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doc
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}
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}
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impl XMLDocumentMethods for XMLDocument {
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// https://html.spec.whatwg.org/multipage/#dom-document-location
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fn GetLocation(&self) -> Option<DomRoot<Location>> {
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self.upcast::<Document>().GetLocation()
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}
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// https://html.spec.whatwg.org/multipage/#dom-tree-accessors:supported-property-names
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fn SupportedPropertyNames(&self) -> Vec<DOMString> {
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self.upcast::<Document>().SupportedPropertyNames()
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}
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#[allow(unsafe_code)]
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// https://html.spec.whatwg.org/multipage/#dom-tree-accessors:dom-document-nameditem-filter
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unsafe fn NamedGetter(&self, _cx: *mut JSContext, name: DOMString) -> Option<NonZero<*mut JSObject>> {
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self.upcast::<Document>().NamedGetter(_cx, name)
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}
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}
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