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Pass ParserContext down to lengths

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To make it possible to check the rule type when parsing lengths, we need to pass
the `ParserContext` down through many layers to the place where length units are
parsed.

This change leaves it unused, so it's only to prepare for the next change.

MozReview-Commit-ID: 70YwtcCxnWw
This commit is contained in:
J. Ryan Stinnett 2017-04-11 16:00:37 +08:00
parent 1ae1d370f2
commit 1a31b87c22
31 changed files with 304 additions and 251 deletions
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5
components/style/gecko/media_queries.rs
View file

@ -14,6 +14,7 @@ use gecko_bindings::structs::{nsMediaExpression_Range, nsMediaFeature};
use gecko_bindings::structs::{nsMediaFeature_ValueType, nsMediaFeature_RangeType, nsMediaFeature_RequirementFlags};
use gecko_bindings::structs::RawGeckoPresContextOwned;
use media_queries::MediaType;
use parser::ParserContext;
use properties::ComputedValues;
use std::ascii::AsciiExt;
use std::fmt::{self, Write};
@ -366,7 +367,7 @@ impl Expression {
/// ```
/// (media-feature: media-value)
/// ```
pub fn parse(input: &mut Parser) -> Result<Self, ()> {
pub fn parse(context: &ParserContext, input: &mut Parser) -> Result<Self, ()> {
try!(input.expect_parenthesis_block());
input.parse_nested_block(|input| {
let ident = try!(input.expect_ident());
@ -421,7 +422,7 @@ impl Expression {
let value = match feature.mValueType {
nsMediaFeature_ValueType::eLength => {
MediaExpressionValue::Length(
specified::Length::parse_non_negative(input)?)
specified::Length::parse_non_negative(context, input)?)
},
nsMediaFeature_ValueType::eInteger => {
let i = input.expect_integer()?;