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Fix whitespace_pre with incremental reflow turned on.

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This implements fragment merging, in order to incrementally reflow linebroken
text. This makes the `whitespace_pre.html` reftest pass with incremental reflow
turned on with `-i`.
This commit is contained in:
Clark Gaebel 2014-10-13 12:20:56 -07:00
parent 6a11ee89de
commit 481adcd654
6 changed files with 209 additions and 30 deletions
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11
components/layout/css/matching.rs
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@ -13,6 +13,7 @@ use script::dom::node::{TextNodeTypeId};
use servo_util::bloom::BloomFilter;
use servo_util::cache::{Cache, LRUCache, SimpleHashCache};
use servo_util::smallvec::{SmallVec, SmallVec16};
use servo_util::arc_ptr_eq;
use std::mem;
use std::hash::{Hash, sip};
use std::slice::Items;
@ -91,16 +92,6 @@ impl<'a> ApplicableDeclarationsCacheQuery<'a> {
}
}
// Workaround for lack of `ptr_eq` on Arcs...
#[inline]
fn arc_ptr_eq<T>(a: &Arc<T>, b: &Arc<T>) -> bool {
unsafe {
let a: uint = mem::transmute_copy(a);
let b: uint = mem::transmute_copy(b);
a == b
}
}
impl<'a> Equiv<ApplicableDeclarationsCacheEntry> for ApplicableDeclarationsCacheQuery<'a> {
fn equiv(&self, other: &ApplicableDeclarationsCacheEntry) -> bool {
if self.declarations.len() != other.declarations.len() {