Add a BazelProtoLibrary representing a collection of .proto files.

--
MOS_MIGRATED_REVID=102079110

1 files changed, 55 insertions, 0 deletions

diff --git a/src/main/java/com/google/devtools/build/lib/rules/proto/BazelProtoLibrary.java b/src/main/java/com/google/devtools/build/lib/rules/proto/BazelProtoLibrary.java
new file mode 100644
index 0000000000..309f7d29fa
--- /dev/null
+++ b/src/main/java/com/google/devtools/build/lib/rules/proto/BazelProtoLibrary.java
@@ -0,0 +1,55 @@
+// Copyright 2015 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.
+
+package com.google.devtools.build.lib.rules.proto;
+
+import com.google.common.collect.ImmutableList;
+import com.google.devtools.build.lib.actions.Artifact;
+import com.google.devtools.build.lib.analysis.ConfiguredTarget;
+import com.google.devtools.build.lib.analysis.RuleConfiguredTarget.Mode;
+import com.google.devtools.build.lib.analysis.RuleConfiguredTargetBuilder;
+import com.google.devtools.build.lib.analysis.RuleContext;
+import com.google.devtools.build.lib.analysis.RunfilesProvider;
+import com.google.devtools.build.lib.collect.nestedset.NestedSet;
+import com.google.devtools.build.lib.rules.RuleConfiguredTargetFactory;
+
+/**
+ * An implementation for the "proto_library" rule.
+ */
+public class BazelProtoLibrary implements RuleConfiguredTargetFactory {
+
+  @Override
+  public ConfiguredTarget create(RuleContext ruleContext) throws InterruptedException {
+    ImmutableList<Artifact> protoSources =
+        ruleContext.getPrerequisiteArtifacts("srcs", Mode.TARGET).list();
+    ImmutableList<Artifact> directProtoSources = ProtoCommon.getDirectProtoSources(
+        ruleContext, protoSources);
+    ProtoCommon.checkSourceFilesAreInSamePackage(ruleContext);
+
+    NestedSet<Artifact> transitiveImports =
+        ProtoCommon.collectTransitiveImports(ruleContext, protoSources);
+
+    RunfilesProvider runfilesProvider =
+        ProtoCommon.createRunfilesProvider(transitiveImports, ruleContext);
+    // TODO(bazel-team): this second constructor argument is superfluous and should be removed.
+    ProtoSourcesProvider sourcesProvider =
+        new ProtoSourcesProvider(transitiveImports, transitiveImports, directProtoSources);
+
+    return new RuleConfiguredTargetBuilder(ruleContext)
+        .add(RunfilesProvider.class, runfilesProvider)
+        .addProvider(ProtoSourcesProvider.class, sourcesProvider)
+        .addSkylarkTransitiveInfo(ProtoSourcesProvider.SKYLARK_NAME, sourcesProvider)
+        .build();
+  }
+}