forked from mirrors/gecko-dev
81556d7d7c
This is as per spec, and causes failures once we enable the pref to expose shorthands in the computed style. We need to decouple the "enabled-ness" from the enumerable-ness, which we do by keeping two separate arrays, and leaving ComputedStyleMap for the enumeration. Differential Revision: https://phabricator.services.mozilla.com/D132266
81 lines
2.5 KiB
Python
81 lines
2.5 KiB
Python
# This Source Code Form is subject to the terms of the Mozilla Public
|
|
# License, v. 2.0. If a copy of the MPL was not distributed with this file,
|
|
# You can obtain one at http://mozilla.org/MPL/2.0/.
|
|
|
|
import runpy
|
|
|
|
FILE = """/* THIS IS AN AUTOGENERATED FILE. DO NOT EDIT */
|
|
|
|
/* processed file that defines entries for nsComputedDOMStyle, designed
|
|
to be #included in nsComputedDOMStyle.cpp */
|
|
|
|
static constexpr size_t kEntryIndices[eCSSProperty_COUNT] = {{
|
|
{indices}
|
|
}};
|
|
|
|
{asserts}
|
|
|
|
static constexpr Entry kEntries[eCSSProperty_COUNT] = {{
|
|
{entries}
|
|
}};
|
|
"""
|
|
|
|
|
|
def generate(output, dataFile):
|
|
def order_key(p):
|
|
# Put prefixed properties after normal properties.
|
|
# The spec is unclear about this, and Blink doesn't have any sensible
|
|
# order at all, so it probably doesn't matter a lot. But originally
|
|
# Gecko put then later so we do so as well. See w3c/csswg-drafts#2827.
|
|
order = p.name.startswith("-")
|
|
return (order, p.name)
|
|
|
|
def has_cpp_getter(p):
|
|
if not "ExposedOnGetCS" in p.flags:
|
|
return False
|
|
if "SerializedByServo" in p.flags:
|
|
return False
|
|
if p.type() == "longhand" and "IsLogical" in p.flags:
|
|
return False
|
|
return True
|
|
|
|
def getter_entry(p):
|
|
if has_cpp_getter(p):
|
|
return "DoGet" + p.method
|
|
# Put a dummy getter here instead of nullptr because MSVC seems
|
|
# to have bug which ruins the table when we put nullptr for
|
|
# pointer-to-member-function. See bug 1471426.
|
|
return "DummyGetter"
|
|
|
|
properties = runpy.run_path(dataFile)["data"]
|
|
|
|
entries = []
|
|
indices = []
|
|
asserts = []
|
|
index_map = {}
|
|
non_aliases = list(filter(lambda p: p.type() != "alias", properties))
|
|
for i, p in enumerate(sorted(non_aliases, key=order_key)):
|
|
can_be_exposed = "true" if "ExposedOnGetCS" in p.flags else "false"
|
|
entries.append(
|
|
"{{ eCSSProperty_{}, {}, &nsComputedDOMStyle::{}}}".format(
|
|
p.id, can_be_exposed, getter_entry(p)
|
|
)
|
|
)
|
|
index_map[p.id] = i
|
|
i += 1
|
|
|
|
for i, p in enumerate(non_aliases):
|
|
indices.append(str(index_map[p.id]))
|
|
asserts.append(
|
|
'static_assert(size_t(eCSSProperty_{}) == {}, "");'.format(p.id, i)
|
|
)
|
|
|
|
assert len(indices) == len(entries)
|
|
|
|
output.write(
|
|
FILE.format(
|
|
indices=", ".join(indices),
|
|
entries=",\n ".join(entries),
|
|
asserts="\n".join(asserts),
|
|
)
|
|
)
|