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Don't duplicate specified and computed keywords

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The previous code would generate two distinct types for specified and
computed values if some variants had aliases.
This commit is contained in:
Anthony Ramine 2018-02-03 15:22:08 +01:00
parent 1662fd7357
commit ccc932ad10
1 changed files with 23 additions and 17 deletions
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40
components/style/properties/helpers.mako.rs
View file

@ -596,33 +596,39 @@
%>
<%def name="inner_body(keyword, extra_specified=None, needs_conversion=False)">
% if extra_specified or keyword.aliases_for(product):
<%def name="variants(variants, include_aliases)">
% for variant in variants:
% if include_aliases:
<%
aliases = []
for alias, v in keyword.aliases_for(product).iteritems():
if variant == v:
aliases.append(alias)
%>
% if aliases:
#[css(aliases = "${','.join(aliases)}")]
% endif
% endif
${to_camel_case(variant)},
% endfor
</%def>
% if extra_specified:
#[cfg_attr(feature = "servo", derive(Deserialize, Serialize))]
#[derive(Clone, Copy, Debug, Eq, MallocSizeOf, Parse, PartialEq, ToCss)]
pub enum SpecifiedValue {
% for value in keyword.values_for(product) + (extra_specified or "").split():
<%
aliases = []
for alias, v in keyword.aliases_for(product).iteritems():
if value == v:
aliases.append(alias)
%>
% if aliases:
#[css(aliases = "${','.join(aliases)}")]
% endif
${to_camel_case(value)},
% endfor
${variants(keyword.values_for(product) + extra_specified.split(), bool(extra_specified))}
}
% else:
pub use self::computed_value::T as SpecifiedValue;
% endif
pub mod computed_value {
#[cfg_attr(feature = "servo", derive(Deserialize, Serialize))]
#[derive(Clone, Copy, Debug, Eq, MallocSizeOf, Parse, PartialEq, ToCss)]
#[derive(Clone, Copy, Debug, Eq, MallocSizeOf, PartialEq, ToCss)]
% if not extra_specified:
#[derive(Parse)]
% endif
pub enum T {
% for value in data.longhands_by_name[name].keyword.values_for(product):
${to_camel_case(value)},
% endfor
${variants(data.longhands_by_name[name].keyword.values_for(product), not extra_specified)}
}
}
#[inline]