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Track cloning separately from additional_methods and auto-generate clone methods.

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This commit is contained in:
Bobby Holley 2016-04-18 18:51:13 -07:00
parent 0e0e902edd
commit a4ee11da0a
4 changed files with 42 additions and 33 deletions
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20
ports/geckolib/properties.mako.rs
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@ -220,6 +220,21 @@ impl ${style_struct.trait_name} for ${style_struct.gecko_struct_name} {
fn copy_${longhand.ident}_from(&mut self, other: &Self) {
self.gecko.${longhand.gecko_ffi_name} = other.gecko.${longhand.gecko_ffi_name};
}
%if longhand.need_clone:
fn clone_${longhand.ident}(&self) -> longhands::${longhand.ident}::computed_value::T {
use gecko_style_structs as gss;
use style::properties::longhands::${longhand.ident}::computed_value::T as Keyword;
// FIXME(bholley): Align binary representations and ditch |match| for cast + static_asserts
match self.gecko.${longhand.gecko_ffi_name} as u32 {
% for value in longhand.keyword.values_for('gecko'):
gss::${longhand.keyword.gecko_constant(value)} => Keyword::${to_rust_ident(value)},
% endfor
x => panic!("Found unexpected value in style struct for ${longhand.name} property: {}", x),
}
}
% endif
% endfor
/*
@ -232,6 +247,11 @@ impl ${style_struct.trait_name} for ${style_struct.gecko_struct_name} {
fn copy_${longhand.ident}_from(&mut self, _: &Self) {
unimplemented!()
}
% if longhand.need_clone:
fn clone_${longhand.ident}(&self) -> longhands::${longhand.ident}::computed_value::T {
unimplemented!()
}
% endif
% endfor
<% additionals = [x for x in style_struct.additional_methods
if not (skip_additionals and x.name in skip_additionals)] %>