Files
build_soong/java/gen.go
Colin Cross b1bd1aabca Use logtags without merged file
Assume logtags files will have hardcoded tag numbers and don't
build against the merged file.  Simplifies the build when
logtags files are split across Make and Soong.

Test: m checkbuild
Change-Id: I1e995ec458690fcadb1b86d64864f277aa9fe3af
2017-11-17 11:22:08 -08:00

145 lines
4.0 KiB
Go

// 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 java
// This file generates the final rules for compiling all C/C++. All properties related to
// compiling should have been translated into builderFlags or another argument to the Transform*
// functions.
import (
"github.com/google/blueprint"
"android/soong/android"
)
func init() {
pctx.HostBinToolVariable("aidlCmd", "aidl")
pctx.SourcePathVariable("logtagsCmd", "build/tools/java-event-log-tags.py")
pctx.SourcePathVariable("mergeLogtagsCmd", "build/tools/merge-event-log-tags.py")
pctx.IntermediatesPathVariable("allLogtagsFile", "all-event-log-tags.txt")
}
var (
aidl = pctx.AndroidStaticRule("aidl",
blueprint.RuleParams{
Command: "$aidlCmd -d$depFile $aidlFlags $in $out",
CommandDeps: []string{"$aidlCmd"},
},
"depFile", "aidlFlags")
logtags = pctx.AndroidStaticRule("logtags",
blueprint.RuleParams{
Command: "$logtagsCmd -o $out $in",
CommandDeps: []string{"$logtagsCmd"},
})
mergeLogtags = pctx.AndroidStaticRule("mergeLogtags",
blueprint.RuleParams{
Command: "$mergeLogtagsCmd -o $out $in",
CommandDeps: []string{"$mergeLogtagsCmd"},
})
)
func genAidl(ctx android.ModuleContext, aidlFile android.Path, aidlFlags string) android.Path {
javaFile := android.GenPathWithExt(ctx, "aidl", aidlFile, "java")
depFile := javaFile.String() + ".d"
ctx.Build(pctx, android.BuildParams{
Rule: aidl,
Description: "aidl " + aidlFile.Rel(),
Output: javaFile,
Input: aidlFile,
Args: map[string]string{
"depFile": depFile,
"aidlFlags": aidlFlags,
},
})
return javaFile
}
func genLogtags(ctx android.ModuleContext, logtagsFile android.Path) android.Path {
javaFile := android.GenPathWithExt(ctx, "logtags", logtagsFile, "java")
ctx.Build(pctx, android.BuildParams{
Rule: logtags,
Description: "logtags " + logtagsFile.Rel(),
Output: javaFile,
Input: logtagsFile,
})
return javaFile
}
func (j *Module) genSources(ctx android.ModuleContext, srcFiles android.Paths,
flags javaBuilderFlags) android.Paths {
var protoFiles android.Paths
outSrcFiles := make(android.Paths, 0, len(srcFiles))
for _, srcFile := range srcFiles {
switch srcFile.Ext() {
case ".aidl":
javaFile := genAidl(ctx, srcFile, flags.aidlFlags)
outSrcFiles = append(outSrcFiles, javaFile)
case ".logtags":
j.logtagsSrcs = append(j.logtagsSrcs, srcFile)
javaFile := genLogtags(ctx, srcFile)
outSrcFiles = append(outSrcFiles, javaFile)
case ".proto":
protoFiles = append(protoFiles, srcFile)
default:
outSrcFiles = append(outSrcFiles, srcFile)
}
}
if len(protoFiles) > 0 {
protoSrcJar := android.PathForModuleGen(ctx, "proto.srcjar")
genProto(ctx, protoSrcJar, protoFiles,
flags.protoFlags, flags.protoOutFlag, "")
outSrcFiles = append(outSrcFiles, protoSrcJar)
}
return outSrcFiles
}
func LogtagsSingleton() blueprint.Singleton {
return &logtagsSingleton{}
}
type logtagsProducer interface {
logtags() android.Paths
}
type logtagsSingleton struct{}
func (l *logtagsSingleton) GenerateBuildActions(ctx blueprint.SingletonContext) {
var allLogtags android.Paths
ctx.VisitAllModules(func(module blueprint.Module) {
if logtags, ok := module.(logtagsProducer); ok {
allLogtags = append(allLogtags, logtags.logtags()...)
}
})
ctx.Build(pctx, blueprint.BuildParams{
Rule: mergeLogtags,
Description: "merge logtags",
Outputs: []string{"$allLogtagsFile"},
Inputs: allLogtags.Strings(),
})
}