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- // Copyright 2018 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 (
- "encoding/json"
- "fmt"
- "android/soong/android"
- )
- // This singleton generates android java dependency into to a json file. It does so for each
- // blueprint Android.bp resulting in a java.Module when either make, mm, mma, mmm or mmma is
- // called. Dependency info file is generated in $OUT/module_bp_java_depend.json.
- func init() {
- android.RegisterParallelSingletonType("jdeps_generator", jDepsGeneratorSingleton)
- }
- func jDepsGeneratorSingleton() android.Singleton {
- return &jdepsGeneratorSingleton{}
- }
- type jdepsGeneratorSingleton struct {
- outputPath android.Path
- }
- var _ android.SingletonMakeVarsProvider = (*jdepsGeneratorSingleton)(nil)
- const (
- jdepsJsonFileName = "module_bp_java_deps.json"
- )
- func (j *jdepsGeneratorSingleton) GenerateBuildActions(ctx android.SingletonContext) {
- // (b/204397180) Generate module_bp_java_deps.json by default.
- moduleInfos := make(map[string]android.IdeInfo)
- ctx.VisitAllModules(func(module android.Module) {
- if !module.Enabled() {
- return
- }
- // Prevent including both prebuilts and matching source modules when one replaces the other.
- if !android.IsModulePreferred(module) {
- return
- }
- ideInfoProvider, ok := module.(android.IDEInfo)
- if !ok {
- return
- }
- name := ideInfoProvider.BaseModuleName()
- ideModuleNameProvider, ok := module.(android.IDECustomizedModuleName)
- if ok {
- name = ideModuleNameProvider.IDECustomizedModuleName()
- }
- dpInfo := moduleInfos[name]
- ideInfoProvider.IDEInfo(&dpInfo)
- dpInfo.Deps = android.FirstUniqueStrings(dpInfo.Deps)
- dpInfo.Srcs = android.FirstUniqueStrings(dpInfo.Srcs)
- dpInfo.Aidl_include_dirs = android.FirstUniqueStrings(dpInfo.Aidl_include_dirs)
- dpInfo.Jarjar_rules = android.FirstUniqueStrings(dpInfo.Jarjar_rules)
- dpInfo.Jars = android.FirstUniqueStrings(dpInfo.Jars)
- dpInfo.SrcJars = android.FirstUniqueStrings(dpInfo.SrcJars)
- dpInfo.Paths = android.FirstUniqueStrings(dpInfo.Paths)
- dpInfo.Static_libs = android.FirstUniqueStrings(dpInfo.Static_libs)
- dpInfo.Libs = android.FirstUniqueStrings(dpInfo.Libs)
- moduleInfos[name] = dpInfo
- mkProvider, ok := module.(android.AndroidMkDataProvider)
- if !ok {
- return
- }
- data := mkProvider.AndroidMk()
- if data.Class != "" {
- dpInfo.Classes = append(dpInfo.Classes, data.Class)
- }
- if ctx.ModuleHasProvider(module, JavaInfoProvider) {
- dep := ctx.ModuleProvider(module, JavaInfoProvider).(JavaInfo)
- dpInfo.Installed_paths = append(dpInfo.Installed_paths, dep.ImplementationJars.Strings()...)
- }
- dpInfo.Classes = android.FirstUniqueStrings(dpInfo.Classes)
- dpInfo.Installed_paths = android.FirstUniqueStrings(dpInfo.Installed_paths)
- moduleInfos[name] = dpInfo
- })
- jfpath := android.PathForOutput(ctx, jdepsJsonFileName)
- err := createJsonFile(moduleInfos, jfpath)
- if err != nil {
- ctx.Errorf(err.Error())
- }
- j.outputPath = jfpath
- // This is necessary to satisfy the dangling rules check as this file is written by Soong rather than a rule.
- ctx.Build(pctx, android.BuildParams{
- Rule: android.Touch,
- Output: jfpath,
- })
- }
- func (j *jdepsGeneratorSingleton) MakeVars(ctx android.MakeVarsContext) {
- if j.outputPath == nil {
- return
- }
- ctx.DistForGoal("general-tests", j.outputPath)
- }
- func createJsonFile(moduleInfos map[string]android.IdeInfo, jfpath android.WritablePath) error {
- buf, err := json.MarshalIndent(moduleInfos, "", "\t")
- if err != nil {
- return fmt.Errorf("JSON marshal of java deps failed: %s", err)
- }
- err = android.WriteFileToOutputDir(jfpath, buf, 0666)
- if err != nil {
- return fmt.Errorf("Writing java deps to %s failed: %s", jfpath.String(), err)
- }
- return nil
- }
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