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Add some fmt::Debug implementations

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This commit is contained in:
Simon Sapin 2016-08-08 15:52:24 +02:00
parent 477cae67df
commit bc71e8b65b
7 changed files with 59 additions and 4 deletions
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13
components/script/layout_wrapper.rs
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@ -49,6 +49,7 @@ use script_layout_interface::{HTMLCanvasData, LayoutNodeType, TrustedNodeAddress
use script_layout_interface::{OpaqueStyleAndLayoutData, PartialStyleAndLayoutData};
use selectors::matching::{DeclarationBlock, ElementFlags};
use selectors::parser::{AttrSelector, NamespaceConstraint};
use std::fmt;
use std::marker::PhantomData;
use std::mem::{transmute, transmute_copy};
use std::sync::Arc;
@ -405,6 +406,16 @@ pub struct ServoLayoutElement<'le> {
chain: PhantomData<&'le ()>,
}
impl<'le> fmt::Debug for ServoLayoutElement<'le> {
fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
try!(write!(f, "<{}", self.element.local_name()));
if let &Some(ref id) = unsafe { &*self.element.id_attribute() } {
try!(write!(f, " id={}", id));
}
write!(f, ">")
}
}
impl<'le> PresentationalHintsSynthetizer for ServoLayoutElement<'le> {
fn synthesize_presentational_hints_for_legacy_attributes<V>(&self, hints: &mut V)
where V: Push<DeclarationBlock<Vec<PropertyDeclaration>>>
@ -926,7 +937,7 @@ impl<ConcreteNode> Iterator for ThreadSafeLayoutNodeChildrenIterator<ConcreteNod
/// A wrapper around elements that ensures layout can only
/// ever access safe properties and cannot race on elements.
#[derive(Copy, Clone)]
#[derive(Copy, Clone, Debug)]
pub struct ServoThreadSafeLayoutElement<'le> {
element: &'le Element,
}