98 lines
3.1 KiB
Go
98 lines
3.1 KiB
Go
// Copyright 2017 Google Inc. All rights reserved.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package java
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import (
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"github.com/google/blueprint"
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"github.com/google/blueprint/proptools"
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"android/soong/android"
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)
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func init() {
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pctx.HostBinToolVariable("protocCmd", "aprotoc")
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}
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var (
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proto = pctx.AndroidStaticRule("protoc",
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blueprint.RuleParams{
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Command: `rm -rf $outDir && mkdir -p $outDir && ` +
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`$protocCmd $protoOut=$protoOutFlags:$outDir $protoFlags $in && ` +
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`find $outDir -name "*.java" > $out`,
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CommandDeps: []string{"$protocCmd"},
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}, "protoFlags", "protoOut", "protoOutFlags", "outDir")
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)
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func genProto(ctx android.ModuleContext, protoFiles android.Paths,
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protoFlags string, protoOut, protoOutFlags string) android.WritablePath {
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protoFileList := android.PathForModuleGen(ctx, "proto.filelist")
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ctx.ModuleBuild(pctx, android.ModuleBuildParams{
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Rule: proto,
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Description: "protoc " + protoFiles[0].Rel(),
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Output: protoFileList,
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Inputs: protoFiles,
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Args: map[string]string{
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"outDir": android.ProtoDir(ctx).String(),
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"protoOut": protoOut,
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"protoOutFlags": protoOutFlags,
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"protoFlags": protoFlags,
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},
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})
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return protoFileList
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}
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func protoDeps(ctx android.BottomUpMutatorContext, p *android.ProtoProperties) {
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switch proptools.String(p.Proto.Type) {
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case "micro":
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ctx.AddDependency(ctx.Module(), staticLibTag, "libprotobuf-java-micro")
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case "nano":
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ctx.AddDependency(ctx.Module(), staticLibTag, "libprotobuf-java-nano")
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case "stream":
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// TODO(ccross): add dependency on protoc-gen-java-stream binary
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ctx.PropertyErrorf("proto.type", `"stream" not supported yet`)
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// No library for stream protobufs
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case "lite", "":
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ctx.AddDependency(ctx.Module(), staticLibTag, "libprotobuf-java-lite")
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case "full":
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if ctx.Host() {
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ctx.AddDependency(ctx.Module(), staticLibTag, "libprotobuf-java-full")
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} else {
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ctx.PropertyErrorf("proto.type", "full java protos only supported on the host")
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}
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default:
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ctx.PropertyErrorf("proto.type", "unknown proto type %q",
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proptools.String(p.Proto.Type))
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}
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}
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func protoFlags(ctx android.ModuleContext, p *android.ProtoProperties, flags javaBuilderFlags) javaBuilderFlags {
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switch proptools.String(p.Proto.Type) {
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case "micro":
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flags.protoOutFlag = "--javamicro_out"
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case "nano":
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flags.protoOutFlag = "--javanano_out"
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case "stream":
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flags.protoOutFlag = "--javastream_out"
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case "lite", "full", "":
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flags.protoOutFlag = "--java_out"
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default:
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ctx.PropertyErrorf("proto.type", "unknown proto type %q",
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proptools.String(p.Proto.Type))
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}
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return flags
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}
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