blob: d054990541db63c5a791b6313ebdf6b33ea27b2e [file] [log] [blame]
# Copyright 2021 The Bazel Authors. 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.
"""
Proguard
"""
load(":common/java/java_semantics.bzl", "semantics")
ProguardSpecProvider = _builtins.toplevel.ProguardSpecProvider
def _filter_provider(provider, *attrs):
return [dep[provider] for attr in attrs for dep in attr if provider in dep]
def _validate_spec(ctx, spec_file):
validated_proguard_spec = ctx.actions.declare_file(
"validated_proguard/%s/%s_valid" % (ctx.label.name, spec_file.path),
)
toolchain = semantics.find_java_toolchain(ctx)
args = ctx.actions.args()
args.add("--path", spec_file)
args.add("--output", validated_proguard_spec)
ctx.actions.run(
mnemonic = "ValidateProguard",
progress_message = "Validating proguard configuration %{input}",
executable = toolchain.proguard_allowlister,
arguments = [args],
inputs = [spec_file],
outputs = [validated_proguard_spec],
toolchain = Label(semantics.JAVA_TOOLCHAIN_TYPE),
)
return validated_proguard_spec
def validate_proguard_specs(ctx, proguard_specs = [], transitive_attrs = []):
"""
Creates actions that validate Proguard specification and returns ProguardSpecProvider.
Use transtive_attrs parameter to collect Proguard validations from `deps`,
`runtime_deps`, `exports`, `plugins`, and `exported_plugins` attributes.
Args:
ctx: (RuleContext) Used to register the actions.
proguard_specs: (list[File]) List of Proguard specs files.
transitive_attrs: (list[list[Target]]) Attributes to collect transitive
proguard validations from.
Returns:
(ProguardSpecProvider) A ProguardSpecProvider.
"""
proguard_validations = _filter_provider(ProguardSpecProvider, *transitive_attrs)
return ProguardSpecProvider(
depset(
[_validate_spec(ctx, spec_file) for spec_file in proguard_specs],
transitive = [validation.specs for validation in proguard_validations],
),
)