platform_build_soong/java/gen.go
Colin Cross 9d45bb78c5 Enable goma in soong
When the UseGoma flag is set, put all rules except the C compilation
rule in an externally defined local_pool, which will have been created
by kati.  The gomacc wrapper will already be in the CC_WRAPPER
environment variable.

Bug: 31142427
Change-Id: I699d4edff2e302eee398dad8692ceb14721a628c
2016-08-31 09:48:08 -07:00

129 lines
3.5 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"},
Description: "aidl $out",
},
"depFile", "aidlFlags")
logtags = pctx.AndroidStaticRule("logtags",
blueprint.RuleParams{
Command: "$logtagsCmd -o $out $in $allLogtagsFile",
CommandDeps: []string{"$logtagsCmd"},
Description: "logtags $out",
})
mergeLogtags = pctx.AndroidStaticRule("mergeLogtags",
blueprint.RuleParams{
Command: "$mergeLogtagsCmd -o $out $in",
CommandDeps: []string{"$mergeLogtagsCmd"},
Description: "merge logtags $out",
})
)
func genAidl(ctx android.ModuleContext, aidlFile android.Path, aidlFlags string) android.Path {
javaFile := android.GenPathWithExt(ctx, aidlFile, "java")
depFile := javaFile.String() + ".d"
ctx.ModuleBuild(pctx, android.ModuleBuildParams{
Rule: aidl,
Output: javaFile,
Input: aidlFile,
Args: map[string]string{
"depFile": depFile,
"aidlFlags": aidlFlags,
},
})
return javaFile
}
func genLogtags(ctx android.ModuleContext, logtagsFile android.Path) android.Path {
javaFile := android.GenPathWithExt(ctx, logtagsFile, "java")
ctx.ModuleBuild(pctx, android.ModuleBuildParams{
Rule: logtags,
Output: javaFile,
Input: logtagsFile,
})
return javaFile
}
func (j *javaBase) genSources(ctx android.ModuleContext, srcFiles android.Paths,
flags javaBuilderFlags) android.Paths {
for i, srcFile := range srcFiles {
switch srcFile.Ext() {
case ".aidl":
javaFile := genAidl(ctx, srcFile, flags.aidlFlags)
srcFiles[i] = javaFile
case ".logtags":
j.logtagsSrcs = append(j.logtagsSrcs, srcFile)
javaFile := genLogtags(ctx, srcFile)
srcFiles[i] = javaFile
}
}
return srcFiles
}
func LogtagsSingleton() blueprint.Singleton {
return &logtagsSingleton{}
}
type logtagsProducer interface {
logtags() android.Paths
}
type logtagsSingleton struct{}
func (l *logtagsSingleton) GenerateBuildActions(ctx blueprint.SingletonContext) {
var allLogtags android.Paths
ctx.VisitAllModules(func(module blueprint.Module) {
if logtags, ok := module.(logtagsProducer); ok {
allLogtags = append(allLogtags, logtags.logtags()...)
}
})
ctx.Build(pctx, blueprint.BuildParams{
Rule: mergeLogtags,
Outputs: []string{"$allLogtagsFile"},
Inputs: allLogtags.Strings(),
})
}