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// 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());
}
}
}
}