| // Copyright 2014 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. |
| package com.google.devtools.build.lib.rules.python; |
| |
| import com.google.common.annotations.VisibleForTesting; |
| import com.google.devtools.build.lib.cmdline.Label; |
| import com.google.devtools.build.lib.concurrent.ThreadSafety.Immutable; |
| import com.google.devtools.build.lib.packages.Info; |
| import com.google.devtools.build.lib.packages.RuleClass.ConfiguredTargetFactory.RuleErrorException; |
| import com.google.devtools.build.lib.packages.StarlarkInfo; |
| import com.google.devtools.build.lib.packages.StarlarkProviderWrapper; |
| import com.google.devtools.build.lib.rules.cpp.CcInfo; |
| import net.starlark.java.eval.EvalException; |
| |
| /** A target that provides C++ libraries to be linked into Python targets. */ |
| @VisibleForTesting |
| @Immutable |
| public final class PyCcLinkParamsProvider { |
| public static final Provider PROVIDER = new Provider(); |
| |
| private final CcInfo ccInfo; |
| |
| public PyCcLinkParamsProvider(StarlarkInfo info) throws EvalException { |
| this.ccInfo = info.getValue("cc_info", CcInfo.class); |
| } |
| |
| public Provider getProvider() { |
| return PROVIDER; |
| } |
| |
| public CcInfo getCcInfo() { |
| return ccInfo; |
| } |
| |
| /** Provider class for {@link PyCcLinkParamsProvider} objects. */ |
| public static class Provider extends StarlarkProviderWrapper<PyCcLinkParamsProvider> { |
| private Provider() { |
| super( |
| Label.parseCanonicalUnchecked("@_builtins//:common/python/providers.bzl"), |
| "PyCcLinkParamsProvider"); |
| } |
| |
| @Override |
| public PyCcLinkParamsProvider wrap(Info value) throws RuleErrorException { |
| try { |
| return new PyCcLinkParamsProvider((StarlarkInfo) value); |
| } catch (EvalException e) { |
| throw new RuleErrorException(e.getMessageWithStack()); |
| } |
| } |
| } |
| } |