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# Copyright (C) 2023 The Android Open Source Project
#
# 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.
load("//build/bazel/rules/java:versions.bzl", "java_versions")
load("//build/bazel/rules/common:sdk_version.bzl", "sdk_version")
load("//build/bazel/rules/common:api.bzl", "api")
def _sdk_transition_impl(settings, attr):
host_platform = settings["//command_line_option:host_platform"]
default_java_version = str(java_versions.get_version())
# TODO: this condition should really be "platform is not a device".
# More details on why we're treating java version for non-device platforms differently at the
# definition of the //build/bazel/rules/java:host_version build setting.
if all([host_platform == platform for platform in settings["//command_line_option:platforms"]]):
return {
"//build/bazel/rules/java:version": default_java_version,
"//build/bazel/rules/java:host_version": str(java_versions.get_version(attr.java_version)),
"//build/bazel/rules/java/sdk:kind": sdk_version.KIND_NONE,
"//build/bazel/rules/java/sdk:api_level": api.NONE_API_LEVEL,
}
sdk_spec = sdk_version.sdk_spec_from(attr.sdk_version)
java_version = str(java_versions.get_version(attr.java_version, sdk_spec.api_level))
return {
"//build/bazel/rules/java:host_version": default_java_version,
"//build/bazel/rules/java:version": java_version,
"//build/bazel/rules/java/sdk:kind": sdk_spec.kind,
"//build/bazel/rules/java/sdk:api_level": sdk_spec.api_level,
}
sdk_transition = transition(
implementation = _sdk_transition_impl,
inputs = [
"//command_line_option:host_platform",
"//command_line_option:platforms",
],
outputs = [
"//build/bazel/rules/java:version",
"//build/bazel/rules/java:host_version",
"//build/bazel/rules/java/sdk:kind",
"//build/bazel/rules/java/sdk:api_level",
],
)
sdk_transition_attrs = {
# This attribute must have a specific name to let the DexArchiveAspect propagate
# through it.
"exports": attr.label(
cfg = sdk_transition,
),
"java_version": attr.string(),
"sdk_version": attr.string(),
"_allowlist_function_transition": attr.label(
default = "@bazel_tools//tools/allowlists/function_transition_allowlist",
),
}
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