platform_build_soong/java/proto.go

98 lines
3.1 KiB
Go

// Copyright 2017 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 java
import (
"android/soong/android"
)
func genProto(ctx android.ModuleContext, protoFile android.Path, flags android.ProtoFlags) android.Path {
srcJarFile := android.GenPathWithExt(ctx, "proto", protoFile, "srcjar")
outDir := srcJarFile.ReplaceExtension(ctx, "tmp")
depFile := srcJarFile.ReplaceExtension(ctx, "srcjar.d")
rule := android.NewRuleBuilder()
rule.Command().Text("rm -rf").Flag(outDir.String())
rule.Command().Text("mkdir -p").Flag(outDir.String())
android.ProtoRule(ctx, rule, protoFile, flags, flags.Deps, outDir, depFile, nil)
// Proto generated java files have an unknown package name in the path, so package the entire output directory
// into a srcjar.
rule.Command().
BuiltTool(ctx, "soong_zip").
Flag("-jar").
FlagWithOutput("-o ", srcJarFile).
FlagWithArg("-C ", outDir.String()).
FlagWithArg("-D ", outDir.String())
rule.Command().Text("rm -rf").Flag(outDir.String())
rule.Build(pctx, ctx, "protoc_"+protoFile.Rel(), "protoc "+protoFile.Rel())
return srcJarFile
}
func protoDeps(ctx android.BottomUpMutatorContext, p *android.ProtoProperties) {
if String(p.Proto.Plugin) == "" {
switch String(p.Proto.Type) {
case "micro":
ctx.AddVariationDependencies(nil, staticLibTag, "libprotobuf-java-micro")
case "nano":
ctx.AddVariationDependencies(nil, staticLibTag, "libprotobuf-java-nano")
case "lite", "":
ctx.AddVariationDependencies(nil, staticLibTag, "libprotobuf-java-lite")
case "full":
if ctx.Host() {
ctx.AddVariationDependencies(nil, staticLibTag, "libprotobuf-java-full")
} else {
ctx.PropertyErrorf("proto.type", "full java protos only supported on the host")
}
default:
ctx.PropertyErrorf("proto.type", "unknown proto type %q",
String(p.Proto.Type))
}
}
}
func protoFlags(ctx android.ModuleContext, j *CompilerProperties, p *android.ProtoProperties,
flags javaBuilderFlags) javaBuilderFlags {
flags.proto = android.GetProtoFlags(ctx, p)
if String(p.Proto.Plugin) == "" {
switch String(p.Proto.Type) {
case "micro":
flags.proto.OutTypeFlag = "--javamicro_out"
case "nano":
flags.proto.OutTypeFlag = "--javanano_out"
case "lite":
flags.proto.OutTypeFlag = "--java_out"
flags.proto.OutParams = append(flags.proto.OutParams, "lite")
case "full", "":
flags.proto.OutTypeFlag = "--java_out"
default:
ctx.PropertyErrorf("proto.type", "unknown proto type %q",
String(p.Proto.Type))
}
}
flags.proto.OutParams = append(flags.proto.OutParams, j.Proto.Output_params...)
return flags
}