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Use conditional compilation for stylo properties

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Manish Goregaokar 2016-09-02 15:24:22 +05:30
parent 92c3961743
commit c965beb3d9
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12 changed files with 279 additions and 234 deletions
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71
components/style/properties/gecko.mako.rs
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@ -468,39 +468,70 @@ impl Debug for ${style_struct.gecko_struct_name} {
<%def name="raw_impl_trait(style_struct, skip_longhands='', skip_additionals='')">
<%
longhands = [x for x in style_struct.longhands
longhands = [x for x in style_struct.longhands
if not (skip_longhands == "*" or x.name in skip_longhands.split())]
#
# Make a list of types we can't auto-generate.
#
force_stub = [];
# These are currently being shuffled to a different style struct on the gecko side.
force_stub += ["backface-visibility", "transform-box", "transform-style"]
# These live in an nsFont member in Gecko. Should be straightforward to do manually.
force_stub += ["font-kerning", "font-stretch", "font-variant"]
# These have unusual representations in gecko.
force_stub += ["list-style-type", "text-overflow"]
# In a nsTArray, have to be done manually, but probably not too much work
# (the "filling them", not the "making them work")
force_stub += ["animation-name", "animation-duration",
#
# Make a list of types we can't auto-generate.
#
force_stub = [];
# These are currently being shuffled to a different style struct on the gecko side.
force_stub += ["backface-visibility", "transform-box", "transform-style"]
# These live in an nsFont member in Gecko. Should be straightforward to do manually.
force_stub += ["font-kerning", "font-stretch", "font-variant"]
# These have unusual representations in gecko.
force_stub += ["list-style-type", "text-overflow"]
# In a nsTArray, have to be done manually, but probably not too much work
# (the "filling them", not the "making them work")
force_stub += ["animation-name", "animation-duration",
"animation-timing-function", "animation-iteration-count",
"animation-direction", "animation-play-state",
"animation-fill-mode", "animation-delay"]
# Types used with predefined_type()-defined properties that we can auto-generate.
predefined_types = {
# These are part of shorthands so we must include them in stylo builds,
# but we haven't implemented the stylo glue for the longhand
# so we generate a stub
force_stub += ["list-style-image", # box
"flex-basis", # position
# transition
"transition-duration", "transition-timing-function",
"transition-property", "transition-delay",
"background-size", # background
"column-count", # column
]
# Types used with predefined_type()-defined properties that we can auto-generate.
predefined_types = {
"LengthOrPercentage": impl_style_coord,
"LengthOrPercentageOrAuto": impl_style_coord,
"LengthOrPercentageOrNone": impl_style_coord,
"Number": impl_simple,
"Opacity": impl_simple,
}
}
keyword_longhands = [x for x in longhands if x.keyword and not x.name in force_stub]
predefined_longhands = [x for x in longhands
keyword_longhands = [x for x in longhands if x.keyword and not x.name in force_stub]
predefined_longhands = [x for x in longhands
if x.predefined_type in predefined_types and not x.name in force_stub]
stub_longhands = [x for x in longhands if x not in keyword_longhands + predefined_longhands]
stub_longhands = [x for x in longhands if x not in keyword_longhands + predefined_longhands]
# If one of the longhands is not handled
# by either:
# - being a keyword
# - being a predefined longhand
# - being a longhand with manual glue code (i.e. in skip_longhands)
# - being generated as a stub
#
# then we raise an error here.
#
# If you hit this error, please add `product="servo"` to the longhand.
# In case the longhand is used in a shorthand, add it to the force_stub
# list above.
for stub in stub_longhands:
if stub.name not in force_stub:
raise Exception("Don't know what to do with longhand %s in style struct %s"
% (stub.name,style_struct. gecko_struct_name))
%>
impl ${style_struct.gecko_struct_name} {
/*