style: Add derived ToShmem implementations.

Differential Revision: https://phabricator.services.mozilla.com/D17197

components/style/values/generics/grid.rs

@@ -18,7 +18,9 @@ use style_traits::{CssWriter, ParseError, StyleParseErrorKind, ToCss};
 /// A `<grid-line>` type.
 ///
 /// <https://drafts.csswg.org/css-grid/#typedef-grid-row-start-grid-line>
-#[derive(Clone, Debug, Default, MallocSizeOf, PartialEq, SpecifiedValueInfo, ToComputedValue)]
+#[derive(
+    Clone, Debug, Default, MallocSizeOf, PartialEq, SpecifiedValueInfo, ToComputedValue, ToShmem,
+)]
 pub struct GridLine<Integer> {
     /// Flag to check whether it's a `span` keyword.
     pub is_span: bool,
@@ -162,6 +164,7 @@ impl Parse for GridLine<specified::Integer> {
     SpecifiedValueInfo,
     ToComputedValue,
     ToCss,
+    ToShmem,
 )]
 pub enum TrackKeyword {
     Auto,
@@ -174,7 +177,15 @@ pub enum TrackKeyword {
 ///
 /// <https://drafts.csswg.org/css-grid/#typedef-track-breadth>
 #[derive(
-    Animate, Clone, Debug, MallocSizeOf, PartialEq, SpecifiedValueInfo, ToComputedValue, ToCss,
+    Animate,
+    Clone,
+    Debug,
+    MallocSizeOf,
+    PartialEq,
+    SpecifiedValueInfo,
+    ToComputedValue,
+    ToCss,
+    ToShmem,
 )]
 pub enum TrackBreadth<L> {
     /// The generic type is almost always a non-negative `<length-percentage>`
@@ -200,7 +211,7 @@ impl<L> TrackBreadth<L> {
 /// generic only to avoid code bloat. It only takes `<length-percentage>`
 ///
 /// <https://drafts.csswg.org/css-grid/#typedef-track-size>
-#[derive(Clone, Debug, MallocSizeOf, PartialEq, SpecifiedValueInfo)]
+#[derive(Clone, Debug, MallocSizeOf, PartialEq, SpecifiedValueInfo, ToShmem)]
 pub enum TrackSize<L> {
     /// A flexible `<track-breadth>`
     Breadth(TrackBreadth<L>),
@@ -358,7 +369,7 @@ where
 /// The initial argument of the `repeat` function.
 ///
 /// <https://drafts.csswg.org/css-grid/#typedef-track-repeat>
-#[derive(Clone, Copy, Debug, MallocSizeOf, PartialEq, ToComputedValue, ToCss)]
+#[derive(Clone, Copy, Debug, MallocSizeOf, PartialEq, ToComputedValue, ToCss, ToShmem)]
 pub enum RepeatCount<Integer> {
     /// A positive integer. This is allowed only for `<track-repeat>` and `<fixed-repeat>`
     Number(Integer),
@@ -393,7 +404,7 @@ impl Parse for RepeatCount<specified::Integer> {
 ///
 /// It can also hold `repeat()` function parameters, which expands into the respective
 /// values in its computed form.
-#[derive(Clone, Debug, MallocSizeOf, PartialEq, SpecifiedValueInfo, ToComputedValue)]
+#[derive(Clone, Debug, MallocSizeOf, PartialEq, SpecifiedValueInfo, ToComputedValue, ToShmem)]
 #[css(function = "repeat")]
 pub struct TrackRepeat<L, I> {
     /// The number of times for the value to be repeated (could also be `auto-fit` or `auto-fill`)
@@ -482,7 +493,15 @@ impl<L: Clone> TrackRepeat<L, specified::Integer> {
 
 /// Track list values. Can be <track-size> or <track-repeat>
 #[derive(
-    Animate, Clone, Debug, MallocSizeOf, PartialEq, SpecifiedValueInfo, ToComputedValue, ToCss,
+    Animate,
+    Clone,
+    Debug,
+    MallocSizeOf,
+    PartialEq,
+    SpecifiedValueInfo,
+    ToComputedValue,
+    ToCss,
+    ToShmem,
 )]
 pub enum TrackListValue<LengthPercentage, Integer> {
     /// A <track-size> value.
@@ -494,7 +513,7 @@ pub enum TrackListValue<LengthPercentage, Integer> {
 /// The type of a `<track-list>` as determined during parsing.
 ///
 /// <https://drafts.csswg.org/css-grid/#typedef-track-list>
-#[derive(Clone, Copy, Debug, MallocSizeOf, PartialEq, ToComputedValue)]
+#[derive(Clone, Copy, Debug, MallocSizeOf, PartialEq, ToComputedValue, ToShmem)]
 pub enum TrackListType {
     /// [`<auto-track-list>`](https://drafts.csswg.org/css-grid/#typedef-auto-track-list)
     ///
@@ -516,7 +535,7 @@ pub enum TrackListType {
 /// A grid `<track-list>` type.
 ///
 /// <https://drafts.csswg.org/css-grid/#typedef-track-list>
-#[derive(Clone, Debug, MallocSizeOf, PartialEq, SpecifiedValueInfo)]
+#[derive(Clone, Debug, MallocSizeOf, PartialEq, SpecifiedValueInfo, ToShmem)]
 pub struct TrackList<LengthPercentage, Integer> {
     /// The type of this `<track-list>` (auto, explicit or general).
     ///
@@ -589,7 +608,9 @@ impl<L: ToCss, I: ToCss> ToCss for TrackList<L, I> {
 ///
 /// `subgrid [ <line-names> | repeat(<positive-integer> | auto-fill, <line-names>+) ]+`
 /// Old spec: https://www.w3.org/TR/2015/WD-css-grid-1-20150917/#typedef-line-name-list
-#[derive(Clone, Debug, Default, MallocSizeOf, PartialEq, SpecifiedValueInfo, ToComputedValue)]
+#[derive(
+    Clone, Debug, Default, MallocSizeOf, PartialEq, SpecifiedValueInfo, ToComputedValue, ToShmem,
+)]
 pub struct LineNameList {
     /// The optional `<line-name-list>`
     pub names: Box<[Box<[CustomIdent]>]>,
@@ -695,7 +716,15 @@ impl ToCss for LineNameList {
 /// Subgrid deferred to Level 2 spec due to lack of implementation.
 /// But it's implemented in gecko, so we have to as well.
 #[derive(
-    Animate, Clone, Debug, MallocSizeOf, PartialEq, SpecifiedValueInfo, ToComputedValue, ToCss,
+    Animate,
+    Clone,
+    Debug,
+    MallocSizeOf,
+    PartialEq,
+    SpecifiedValueInfo,
+    ToComputedValue,
+    ToCss,
+    ToShmem,
 )]
 pub enum GridTemplateComponent<L, I> {
     /// `none` value.
@@ -704,6 +733,7 @@ pub enum GridTemplateComponent<L, I> {
     TrackList(
         #[animation(field_bound)]
         #[compute(field_bound)]
+        #[shmem(field_bound)]
         TrackList<L, I>,
     ),
     /// A `subgrid <line-name-list>?`