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# Copyright 2014 Google Inc. All rights reserved.
#
# 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.
# This is a quick and dirty rule to make Bazel compile itself. It
# only supports Java.
proto_filetype = FileType([".proto"])
def gensrcjar_impl(ctx):
out = ctx.outputs.srcjar
proto_output = out.path + ".proto_output"
proto_compiler = ctx.file._proto_compiler
sub_commands = [
"rm -rf " + proto_output,
"mkdir " + proto_output,
' '.join([proto_compiler.path, "--java_out=" + proto_output,
ctx.file.src.path]),
"touch -t 198001010000 $(find " + proto_output + ")",
ctx.file._jar.path + " cMf " + out.path + " -C " + proto_output + " .",
]
ctx.action(
command=" && ".join(sub_commands),
inputs=[ctx.file.src, proto_compiler, ctx.file._jar] + ctx.files._jdk,
outputs=[out],
mnemonic="GenProtoSrcJar",
use_default_shell_env = True)
gensrcjar = rule(
gensrcjar_impl,
attrs={
"src": attr.label(allow_files=proto_filetype, single_file=True),
# TODO(bazel-team): this should be a hidden attribute with a default
# value, but Skylark needs to support select first.
"_proto_compiler": attr.label(
default=Label("//third_party:protoc"),
allow_files=True,
single_file=True),
"_jar": attr.label(
default=Label("//tools/jdk:jar"),
allow_files=True,
single_file=True),
"_jdk": attr.label(
default=Label("//tools/jdk:jdk"),
allow_files=True),
},
outputs={"srcjar": "lib%{name}.srcjar"},
)
# TODO(bazel-team): support proto => proto dependencies too
def proto_java_library(name, src):
gensrcjar(name=name + "_srcjar", src=src)
native.java_library(
name=name,
srcs=[name + "_srcjar"],
deps=["//third_party:protobuf"],
# The generated code has lots of 'rawtypes' warnings.
javacopts=["-Xlint:-rawtypes"],
)
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