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style: Add a TLS-based style struct caching mechanism.

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This commit is contained in:
Emilio Cobos Álvarez 2017-08-23 20:04:11 +08:00 • committed by Cameron McCormack
parent 298b1363ff
commit c34c92e904
18 changed files with 278 additions and 13 deletions
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5
components/style/properties/helpers.mako.rs
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@ -322,6 +322,10 @@
longhands::system_font::resolve_system_font(sf, context);
}
% endif
% if property.logical:
context.rule_cache_conditions.borrow_mut()
.set_writing_mode_dependency(context.builder.writing_mode);
% endif
% if property.is_vector:
// In the case of a vector property we want to pass
// down an iterator so that this can be computed
@ -363,6 +367,7 @@
CSSWideKeyword::Unset |
% endif
CSSWideKeyword::Initial => {
context.rule_cache_conditions.borrow_mut().set_uncacheable();
% if property.ident == "font_size":
longhands::font_size::cascade_initial_font_size(context);
% else: