Generate diffs for fields in ComputedStyle that use their public getters

third_party/WebKit/Source/build/scripts/templates/ComputedStyleBase.h.tmpl

 {% from 'macros.tmpl' import license, print_if %}
 {% from 'fields/field.tmpl' import encode, getter_expression, setter_expression, declare_storage, fieldwise_compare, fieldwise_copy, fieldwise_diff %}
 {% from 'fields/group.tmpl' import define_field_group_class %}
 {{license()}}
 
 #ifndef ComputedStyleBase_h
 #define ComputedStyleBase_h
 
 #include "core/style/ComputedStyleConstants.h"
 #include "core/CoreExport.h"
@@ skipping 110 matching lines @@
   void PropagateIndependentInheritedProperties(
       const ComputedStyleBase& parentStyle) {
     {% for field in computed_style.all_fields if field.is_property and field.is_independent %}
     if ({{field.is_inherited_method_name}}())
       {{setter_expression(field)}} = parentStyle.{{getter_expression(field)}};
     {% endfor %}
   }
 
   {% for name, groups_to_diff in diff_functions_map.items() %}
   bool {{name}}(const ComputedStyleFinal& other) const {
-    {{fieldwise_diff(groups_to_diff)|indent(2)}}
+    const ComputedStyleFinal& self = static_cast<const ComputedStyleFinal&>(*this);
+    {{fieldwise_diff(self, groups_to_diff)|indent(2)}}

[shend, 2017/05/12 07:10:41]

might have to be "self" in quotes.

[nainar, 2017/05/12 07:14:31]

yup. lol .done

     return false;
   }
   {% endfor %}
 
   // Fields.
   // TODO(sashab): Remove initialFoo() static methods and update callers to
   // use resetFoo(), which can be more efficient.
 
   {% for field in computed_style.all_fields %}
   // {{field.property_name}}
@@ skipping 42 matching lines @@
 
  private:
   {% for field in computed_style.fields %}
   {{declare_storage(field)}}
   {% endfor %}
 };
 
 } // namespace blink
 
 #endif // ComputedStyleBase_h