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Detect var() in shorthand declarations.

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This commit is contained in:
Simon Sapin 2015-11-03 22:46:50 +01:00
parent 6ed5b561df
commit 40e6cc118e
4 changed files with 13 additions and 127 deletions
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2
components/style/custom_properties.rs
View file

@ -270,6 +270,8 @@ fn parse_var_function<'i, 't>(input: &mut Parser<'i, 't>,
let name = try!(input.expect_ident());
let name = try!(parse_name(&name));
if input.try(|input| input.expect_comma()).is_ok() {
// Exclude `!` and `;` at the top level
// https://drafts.csswg.org/css-syntax/#typedef-declaration-value
try!(input.parse_until_before(Delimiter::Bang | Delimiter::Semicolon, |input| {
// At least one non-comment token.
try!(input.next_including_whitespace());

17
components/style/properties.mako.rs
View file

@ -14,7 +14,7 @@ use std::mem;
use std::sync::Arc;
use app_units::Au;
use cssparser::{Parser, Color, RGBA, AtRuleParser, DeclarationParser,
use cssparser::{Parser, Color, RGBA, AtRuleParser, DeclarationParser, Delimiter,
DeclarationListParser, parse_important, ToCss, TokenSerializationType};
use url::Url;
use util::logical_geometry::{LogicalMargin, PhysicalSide, WritingMode};
@ -4846,7 +4846,10 @@ pub mod shorthands {
-> Result<(), ()> {
input.look_for_var_functions();
let start = input.position();
let value = parse_value(context, input);
let value = input.parse_entirely(|input| parse_value(context, input));
if value.is_err() {
while let Ok(_) = input.next() {} // Look for var() after the error.
}
let var = input.seen_var_functions();
if let Ok(value) = value {
% for sub_property in shorthand.sub_properties:
@ -5663,10 +5666,12 @@ impl<'a, 'b> DeclarationParser for PropertyDeclarationParser<'a, 'b> {
fn parse_value(&self, name: &str, input: &mut Parser) -> Result<(Vec<PropertyDeclaration>, bool), ()> {
let mut results = vec![];
match PropertyDeclaration::parse(name, self.context, input, &mut results) {
PropertyDeclarationParseResult::ValidOrIgnoredDeclaration => {}
_ => return Err(())
}
try!(input.parse_until_before(Delimiter::Bang, |input| {
match PropertyDeclaration::parse(name, self.context, input, &mut results) {
PropertyDeclarationParseResult::ValidOrIgnoredDeclaration => Ok(()),
_ => Err(())
}
}));
let important = input.try(parse_important).is_ok();
Ok((results, important))
}