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style: Generate StyleDisplay using cbindgen.

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We use the same setup WR uses, which is checking-in the files.

But I think it's much better than keeping the two things in sync manually :)

When you add a new value, you need to add it to the rust source, then run the
command, but since it doesn't need to build the style crate (it uses the Rust
AST, doesn't build) there's no problem.

Differential Revision: https://phabricator.services.mozilla.com/D2354
This commit is contained in:
Emilio Cobos Álvarez 2018-07-25 13:15:21 +02:00
parent c63a9a37a9
commit 798d45f38d
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3 changed files with 63 additions and 44 deletions
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35
components/style/values/specified/box.rs
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@ -41,29 +41,42 @@ fn moz_box_display_values_enabled(context: &ParserContext) -> bool {
}
}
/// Defines an element’s display type, which consists of
/// the two basic qualities of how an element generates boxes
/// <https://drafts.csswg.org/css-display/#propdef-display>
///
///
/// NOTE(emilio): Order is important in Gecko!
///
/// If you change it, make sure to take a look at the
/// FrameConstructionDataByDisplay stuff (both the XUL and non-XUL version), and
/// ensure it's still correct!
///
/// Also, when you change this from Gecko you may need to regenerate the
/// C++-side bindings (see components/style/cbindgen.toml).
#[allow(missing_docs)]
#[derive(Clone, Copy, Debug, Eq, Hash, MallocSizeOf, Parse, PartialEq,
SpecifiedValueInfo, ToComputedValue, ToCss)]
#[cfg_attr(feature = "servo", derive(Deserialize, Serialize))]
/// Defines an element’s display type, which consists of
/// the two basic qualities of how an element generates boxes
/// <https://drafts.csswg.org/css-display/#propdef-display>
#[repr(u8)]
pub enum Display {
Inline,
None = 0,
Block,
#[cfg(feature = "gecko")]
FlowRoot,
Inline,
InlineBlock,
ListItem,
Table,
InlineTable,
TableRowGroup,
TableColumn,
TableColumnGroup,
TableHeaderGroup,
TableFooterGroup,
TableRow,
TableColumnGroup,
TableColumn,
TableCell,
TableCaption,
ListItem,
None,
#[parse(aliases = "-webkit-flex")]
Flex,
#[parse(aliases = "-webkit-inline-flex")]
@ -85,8 +98,6 @@ pub enum Display {
#[cfg(feature = "gecko")]
Contents,
#[cfg(feature = "gecko")]
FlowRoot,
#[cfg(feature = "gecko")]
WebkitBox,
#[cfg(feature = "gecko")]
WebkitInlineBox,
@ -119,10 +130,10 @@ pub enum Display {
MozDeck,
#[cfg(feature = "gecko")]
#[parse(condition = "moz_display_values_enabled")]
MozPopup,
MozGroupbox,
#[cfg(feature = "gecko")]
#[parse(condition = "moz_display_values_enabled")]
MozGroupbox,
MozPopup,
}
impl Display {