Revision 359f3cec5efce26fe0a56ec35965945936dbb104 authored by Charles Lee on 27 July 2018, 18:06:48 UTC, committed by Charles Lee on 27 July 2018, 19:26:49 UTC
PiperOrigin-RevId: 206342564 GitOrigin-RevId: 3e0e15cb40395fd6f9e5af917c23c84de081b532
1 parent 2561fc3
objc.bzl
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
"""Compiles protobuf for ObjC.
This tool uses https://github.com/pubref/rules_protobuf.
"""
# The actual rule which does the filtering.
def _do_filter_impl(ctx):
return struct(
files = depset([f for f in ctx.files.srcs if f.path.endswith(ctx.attr.suffix)]),
)
_do_filter = rule(
attrs = {
"srcs": attr.label_list(
mandatory = True,
allow_files = True,
),
"suffix": attr.string(
mandatory = True,
),
},
implementation = _do_filter_impl,
)
# A convenient macro to wrap the custom rule and objc_library.
def tink_objc_proto_library(name, srcs, **kwargs):
"""
Compiles ObjC proto libaries in srcs into a single library.
Args:
name: the name of the output library
srcs: the list of ObjC proto libraries, which are generated using
objc_proto_compile in rules_protobuf.
"""
_do_filter(
name = "%s_hdrs" % name,
visibility = ["//visibility:private"],
# srcs = hdrs,
srcs = srcs,
suffix = ".pbobjc.h",
)
_do_filter(
name = "%s_srcs" % name,
visibility = ["//visibility:private"],
srcs = srcs,
suffix = ".pbobjc.m",
)
native.objc_library(
name = name,
srcs = [":%s_srcs" % name],
hdrs = [":%s_hdrs" % name],
copts = ["-fno-objc-arc"],
deps = ["@com_google_protobuf//:objectivec"],
**kwargs
)
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