Make AnimationValue have the same variants as PropertyDeclaration

By making AnimationValue have the same representation as PropertyDeclaration
and Void variants for non-animatable properties, we know by constructions
that all properties have the same discriminant in both.
This commit is contained in:
Anthony Ramine 2018-02-09 22:34:59 +01:00
parent 6b1a74672d
commit 79775541f2
7 changed files with 58 additions and 35 deletions

2
Cargo.lock generated
View file

@ -1562,6 +1562,7 @@ dependencies = [
"smallvec 0.6.0 (registry+https://github.com/rust-lang/crates.io-index)",
"string_cache 0.7.1 (registry+https://github.com/rust-lang/crates.io-index)",
"url 1.6.0 (registry+https://github.com/rust-lang/crates.io-index)",
"void 1.0.2 (registry+https://github.com/rust-lang/crates.io-index)",
"webrender_api 0.57.0 (git+https://github.com/servo/webrender)",
"xml5ever 0.12.0 (registry+https://github.com/rust-lang/crates.io-index)",
]
@ -2926,6 +2927,7 @@ dependencies = [
"uluru 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
"unicode-bidi 0.3.3 (registry+https://github.com/rust-lang/crates.io-index)",
"unicode-segmentation 1.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
"void 1.0.2 (registry+https://github.com/rust-lang/crates.io-index)",
"walkdir 1.0.7 (registry+https://github.com/rust-lang/crates.io-index)",
]

View file

@ -26,3 +26,4 @@ string_cache = { version = "0.7", optional = true }
url = { version = "1.2", optional = true }
webrender_api = { git = "https://github.com/servo/webrender", features = ["ipc"], optional = true }
xml5ever = { version = "0.12", optional = true }
void = "1.0.2"

View file

@ -60,6 +60,7 @@ extern crate string_cache;
extern crate url;
#[cfg(feature = "webrender_api")]
extern crate webrender_api;
extern crate void;
#[cfg(feature = "servo")]
extern crate xml5ever;
@ -67,6 +68,7 @@ use std::hash::{BuildHasher, Hash};
use std::mem::size_of;
use std::ops::Range;
use std::os::raw::c_void;
use void::Void;
/// A C function that takes a pointer to a heap allocation and returns its size.
type VoidPtrToSizeFn = unsafe extern "C" fn(ptr: *const c_void) -> usize;
@ -746,6 +748,13 @@ impl MallocSizeOf for selectors::parser::AncestorHashes {
}
}
impl MallocSizeOf for Void {
#[inline]
fn size_of(&self, _ops: &mut MallocSizeOfOps) -> usize {
void::unreachable(*self)
}
}
#[cfg(feature = "servo")]
impl<Static: string_cache::StaticAtomSet> MallocSizeOf for string_cache::Atom<Static> {
fn size_of(&self, _ops: &mut MallocSizeOfOps) -> usize {

View file

@ -70,6 +70,7 @@ time = "0.1"
uluru = "0.2"
unicode-bidi = "0.3"
unicode-segmentation = "1.0"
void = "1.0.2"
[target.'cfg(windows)'.dependencies]
kernel32-sys = "0.2"

View file

@ -78,6 +78,7 @@ extern crate uluru;
extern crate unicode_bidi;
#[allow(unused_extern_crates)]
extern crate unicode_segmentation;
extern crate void;
#[macro_use]
mod macros;

View file

@ -58,6 +58,7 @@ use values::generics::position as generic_position;
use values::generics::svg::{SVGLength, SvgLengthOrPercentageOrNumber, SVGPaint};
use values::generics::svg::{SVGPaintKind, SVGStrokeDashArray, SVGOpacity};
use values::specified::font::FontTag;
use void::{self, Void};
/// <https://drafts.csswg.org/css-transitions/#animtype-repeatable-list>
pub trait RepeatableListAnimatable: Animate {}
@ -343,16 +344,20 @@ unsafe impl HasSimpleFFI for AnimationValueMap {}
/// this (is a similar path to that of PropertyDeclaration).
#[derive(Clone, Debug, PartialEq)]
#[cfg_attr(feature = "servo", derive(MallocSizeOf))]
#[repr(u16)]
pub enum AnimationValue {
% for prop in data.longhands:
% if prop.animatable:
/// ${prop.name}
% if prop.is_animatable_with_computed_value:
${prop.camel_case}(longhands::${prop.ident}::computed_value::T),
% else:
${prop.camel_case}(<longhands::${prop.ident}::computed_value::T as ToAnimatedValue>::AnimatedValue),
% endif
% endif
% if prop.animatable:
/// `${prop.name}`
% if prop.is_animatable_with_computed_value:
${prop.camel_case}(longhands::${prop.ident}::computed_value::T),
% else:
${prop.camel_case}(<longhands::${prop.ident}::computed_value::T as ToAnimatedValue>::AnimatedValue),
% endif
% else:
/// `${prop.name}` (not animatable)
${prop.camel_case}(Void),
% endif
% endfor
}
@ -362,7 +367,9 @@ impl AnimationValue {
match *self {
% for prop in data.longhands:
% if prop.animatable:
AnimationValue::${prop.camel_case}(..) => LonghandId::${prop.camel_case},
AnimationValue::${prop.camel_case}(..) => LonghandId::${prop.camel_case},
% else:
AnimationValue::${prop.camel_case}(void) => void::unreachable(void),
% endif
% endfor
}
@ -374,24 +381,26 @@ impl AnimationValue {
use properties::longhands;
match *self {
% for prop in data.longhands:
% if prop.animatable:
AnimationValue::${prop.camel_case}(ref from) => {
PropertyDeclaration::${prop.camel_case}(
% if prop.boxed:
Box::new(
% endif
longhands::${prop.ident}::SpecifiedValue::from_computed_value(
% if prop.is_animatable_with_computed_value:
from
% else:
&ToAnimatedValue::from_animated_value(from.clone())
% endif
))
% if prop.boxed:
)
% endif
}
% endif
% if prop.animatable:
AnimationValue::${prop.camel_case}(ref from) => {
PropertyDeclaration::${prop.camel_case}(
% if prop.boxed:
Box::new(
% endif
longhands::${prop.ident}::SpecifiedValue::from_computed_value(
% if prop.is_animatable_with_computed_value:
from
% else:
&ToAnimatedValue::from_animated_value(from.clone())
% endif
))
% if prop.boxed:
)
% endif
}
% else:
AnimationValue::${prop.camel_case}(void) => void::unreachable(void),
% endif
% endfor
}
}

View file

@ -195,14 +195,6 @@ pub mod shorthands {
%>
}
/// A module with all the code related to animated properties.
///
/// This needs to be "included" by mako at least after all longhand modules,
/// given they populate the global data.
pub mod animated_properties {
<%include file="/helpers/animated_properties.mako.rs" />
}
<%
from itertools import groupby
@ -413,6 +405,14 @@ impl PropertyDeclaration {
}
}
/// A module with all the code related to animated properties.
///
/// This needs to be "included" by mako at least after all longhand modules,
/// given they populate the global data.
pub mod animated_properties {
<%include file="/helpers/animated_properties.mako.rs" />
}
/// A longhand or shorthand porperty
#[derive(Clone, Copy, Debug)]
pub struct NonCustomPropertyId(usize);