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Use templates to implement the traits in geckolib.

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This commit is contained in:
Bobby Holley 2016-03-28 23:48:31 -07:00
parent d52299b17c
commit 4959b69ba7
1 changed files with 55 additions and 5 deletions
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60
ports/geckolib/properties.mako.rs
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@ -137,11 +137,19 @@ impl Debug for ${style_struct.gecko_name} {
%endif
</%def>
% for style_struct in STYLE_STRUCTS:
${declare_style_struct(style_struct)}
${impl_style_struct(style_struct)}
<%def name="raw_impl_trait(style_struct, skip_longhands=None, skip_additionals=None)">
impl T${style_struct.name} for Gecko${style_struct.name} {
% for longhand in style_struct.longhands:
/*
* Manually-Implemented Methods.
*/
${caller.body().strip()}
/*
* Auto-Generated Methods.
*/
<% longhands = [x for x in style_struct.longhands
if not (skip_longhands and x.name in skip_longhands)] %>
% for longhand in longhands:
fn set_${longhand.ident}(&mut self, _: longhands::${longhand.ident}::computed_value::T) {
unimplemented!()
}
@ -149,9 +157,51 @@ impl T${style_struct.name} for Gecko${style_struct.name} {
unimplemented!()
}
% endfor
% for additional in style_struct.additional_methods:
<% additionals = [x for x in style_struct.additional_methods
if not (skip_additionals and x.name in skip_additionals)] %>
% for additional in additionals:
${additional.stub()}
% endfor
}
</%def>
<%! MANUAL_STYLE_STRUCTS = [] %>
<%def name="impl_trait(style_struct_name, skip_longhands=None, skip_additionals=None)">
<%self:raw_impl_trait style_struct="${next(x for x in STYLE_STRUCTS if x.name == style_struct_name)}"
skip_longhands="${skip_longhands}" skip_additionals="${skip_additionals}">
${caller.body()}
</%self:raw_impl_trait>
<% MANUAL_STYLE_STRUCTS.append(style_struct_name) %>
</%def>
// Proof-of-concept for a style struct with some manually-implemented methods. We add
// the manually-implemented methods to skip_longhands and skip_additionals, and the
// infrastructure auto-generates everything not in those lists. This allows us to
// iteratively implement more and more methods.
<%self:impl_trait style_struct_name="Border"
skip_longhands="${['border-left-color', 'border-left-style']}"
skip_additionals="${['border_bottom_is_none_or_hidden_and_has_nonzero_width']}">
fn set_border_left_color(&mut self, _: longhands::border_left_color::computed_value::T) {
unimplemented!()
}
fn copy_border_left_color_from(&mut self, _: &Self) {
unimplemented!()
}
fn set_border_left_style(&mut self, _: longhands::border_left_style::computed_value::T) {
unimplemented!()
}
fn copy_border_left_style_from(&mut self, _: &Self) {
unimplemented!()
}
fn border_bottom_is_none_or_hidden_and_has_nonzero_width(&self) -> bool {
unimplemented!()
}
</%self:impl_trait>
% for style_struct in STYLE_STRUCTS:
${declare_style_struct(style_struct)}
${impl_style_struct(style_struct)}
% if not style_struct.name in MANUAL_STYLE_STRUCTS:
<%self:raw_impl_trait style_struct="${style_struct}"></%self:raw_impl_trait>
% endif
% endfor