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// 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 (
"path/filepath"
"github.com/google/blueprint"
"github.com/google/blueprint/pathtools"
"android/soong/common"
)
func init() {
pctx.VariableFunc("aidlCmd", func(c interface{}) (string, error) {
return c.(common.Config).HostBinTool("aidl")
})
pctx.StaticVariable("logtagsCmd", "${srcDir}/build/tools/java-event-log-tags.py")
pctx.StaticVariable("mergeLogtagsCmd", "${srcDir}/build/tools/merge-event-log-tags.py")
pctx.VariableConfigMethod("srcDir", common.Config.SrcDir)
pctx.VariableFunc("allLogtagsFile", func(c interface{}) (string, error) {
return filepath.Join(c.(common.Config).IntermediatesDir(), "all-event-log-tags.txt"), nil
})
}
var (
aidl = pctx.StaticRule("aidl",
blueprint.RuleParams{
Command: "$aidlCmd -d$depFile $aidlFlags $in $out",
Description: "aidl $out",
},
"depFile", "aidlFlags")
logtags = pctx.StaticRule("logtags",
blueprint.RuleParams{
Command: "$logtagsCmd -o $out $in $allLogtagsFile",
Description: "logtags $out",
})
mergeLogtags = pctx.StaticRule("mergeLogtags",
blueprint.RuleParams{
Command: "$mergeLogtagsCmd -o $out $in",
Description: "merge logtags $out",
})
)
func genAidl(ctx common.AndroidModuleContext, aidlFile, aidlFlags string) string {
javaFile := common.SrcDirRelPath(ctx, aidlFile)
javaFile = filepath.Join(common.ModuleGenDir(ctx), javaFile)
javaFile = pathtools.ReplaceExtension(javaFile, "java")
depFile := javaFile + ".d"
ctx.Build(pctx, blueprint.BuildParams{
Rule: aidl,
Outputs: []string{javaFile},
Inputs: []string{aidlFile},
Implicits: []string{"$aidlCmd"},
Args: map[string]string{
"depFile": depFile,
"aidlFlags": aidlFlags,
},
})
return javaFile
}
func genLogtags(ctx common.AndroidModuleContext, logtagsFile string) string {
javaFile := common.SrcDirRelPath(ctx, logtagsFile)
javaFile = filepath.Join(common.ModuleGenDir(ctx), javaFile)
javaFile = pathtools.ReplaceExtension(javaFile, "java")
ctx.Build(pctx, blueprint.BuildParams{
Rule: logtags,
Outputs: []string{javaFile},
Inputs: []string{logtagsFile},
Implicits: []string{"$logtagsCmd"},
})
return javaFile
}
func (j *javaBase) genSources(ctx common.AndroidModuleContext, srcFiles []string,
flags javaBuilderFlags) []string {
for i, srcFile := range srcFiles {
switch filepath.Ext(srcFile) {
case ".aidl":
javaFile := genAidl(ctx, srcFile, flags.aidlFlags)
srcFiles[i] = javaFile
case ".logtags":
j.logtagsSrcs = append(j.logtagsSrcs, srcFile)
javaFile := genLogtags(ctx, srcFile)
srcFiles[i] = javaFile
}
}
return srcFiles
}
func LogtagsSingleton() blueprint.Singleton {
return &logtagsSingleton{}
}
type logtagsProducer interface {
logtags() []string
}
type logtagsSingleton struct{}
func (l *logtagsSingleton) GenerateBuildActions(ctx blueprint.SingletonContext) {
var allLogtags []string
ctx.VisitAllModules(func(module blueprint.Module) {
if logtags, ok := module.(logtagsProducer); ok {
allLogtags = append(allLogtags, logtags.logtags()...)
}
})
ctx.Build(pctx, blueprint.BuildParams{
Rule: mergeLogtags,
Outputs: []string{"$allLogtagsFile"},
Inputs: allLogtags,
})
}
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