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platform_build_soong
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Add java_genrules to use jars as inputs and outputs 

Add a java_genrule that has the right multilib flags to be a
dependency of a java rule.  Make java libraries implement
SourceFileProducer so that their classes jar can be used as an
input to a java_genrule.  Allow libs and static_libs dependencies
to be a java_genrule.

Test: TestJarGenrules
Change-Id: Ib1b31ef9c0b7e72eeed2c9ecc4ce8a1088e0b1c9
This commit is contained in:
Colin Cross 2017-12-05 09:28:08 -08:00
parent 9cf27db425
commit 5425090a4f
4 changed files with 146 additions and 26 deletions
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1
Android.bp
View File

@ -218,6 +218,7 @@ bootstrap_go_package {
"java/app.go",
"java/builder.go",
"java/gen.go",
"java/genrule.go",
"java/jacoco.go",
"java/java.go",
"java/proto.go",

35
java/genrule.go Normal file
View File

@ -0,0 +1,35 @@
// 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"
"android/soong/genrule"
)
func init() {
android.RegisterModuleType("java_genrule", genRuleFactory)
}
// java_genrule is a genrule that can depend on other java_* objects.
// The cmd may be run multiple times, once for each of the different host/device
// variations.
func genRuleFactory() android.Module {
module := genrule.NewGenRule()
android.InitAndroidArchModule(module, android.HostAndDeviceSupported, android.MultilibCommon)
return module
}

81
java/java.go
View File

@ -211,6 +211,12 @@ type Module struct {
compiledSrcJars android.Paths
}
func (j *Module) Srcs() android.Paths {
return android.Paths{j.implementationJarFile}
}
var _ android.SourceFileProducer = (*Module)(nil)
type Dependency interface {
HeaderJars() android.Paths
ImplementationJars() android.Paths
@ -446,6 +452,15 @@ type deps struct {
kotlinStdlib android.Paths
}
func checkProducesJars(ctx android.ModuleContext, dep android.SourceFileProducer) {
for _, f := range dep.Srcs() {
if f.Ext() != ".jar" {
ctx.ModuleErrorf("genrule %q must generate files ending with .jar to be used as a libs or static_libs dependency",
ctx.OtherModuleName(dep.(blueprint.Module)))
}
}
}
func (j *Module) collectDeps(ctx android.ModuleContext) deps {
var deps deps
@ -462,8 +477,46 @@ func (j *Module) collectDeps(ctx android.ModuleContext) deps {
otherName := ctx.OtherModuleName(module)
tag := ctx.OtherModuleDependencyTag(module)
dep, _ := module.(Dependency)
if dep == nil {
switch dep := module.(type) {
case Dependency:
switch tag {
case bootClasspathTag:
deps.bootClasspath = append(deps.bootClasspath, dep.HeaderJars()...)
case libTag:
deps.classpath = append(deps.classpath, dep.HeaderJars()...)
case staticLibTag:
deps.classpath = append(deps.classpath, dep.HeaderJars()...)
deps.staticJars = append(deps.staticJars, dep.ImplementationJars()...)
deps.staticHeaderJars = append(deps.staticHeaderJars, dep.HeaderJars()...)
case frameworkResTag:
if ctx.ModuleName() == "framework" {
// framework.jar has a one-off dependency on the R.java and Manifest.java files
// generated by framework-res.apk
deps.srcJars = append(deps.srcJars, dep.(*AndroidApp).aaptSrcJar)
}
case kotlinStdlibTag:
deps.kotlinStdlib = dep.HeaderJars()
default:
panic(fmt.Errorf("unknown dependency %q for %q", otherName, ctx.ModuleName()))
}
deps.aidlIncludeDirs = append(deps.aidlIncludeDirs, dep.AidlIncludeDirs()...)
case android.SourceFileProducer:
switch tag {
case libTag:
checkProducesJars(ctx, dep)
deps.classpath = append(deps.classpath, dep.Srcs()...)
case staticLibTag:
checkProducesJars(ctx, dep)
deps.classpath = append(deps.classpath, dep.Srcs()...)
deps.staticJars = append(deps.staticJars, dep.Srcs()...)
deps.staticHeaderJars = append(deps.staticHeaderJars, dep.Srcs()...)
case android.DefaultsDepTag, android.SourceDepTag:
// Nothing to do
default:
ctx.ModuleErrorf("dependency on genrule %q may only be in srcs, libs, or static_libs", otherName)
}
default:
switch tag {
case android.DefaultsDepTag, android.SourceDepTag:
// Nothing to do
@ -479,31 +532,7 @@ func (j *Module) collectDeps(ctx android.ModuleContext) deps {
default:
ctx.ModuleErrorf("depends on non-java module %q", otherName)
}
return
}
switch tag {
case bootClasspathTag:
deps.bootClasspath = append(deps.bootClasspath, dep.HeaderJars()...)
case libTag:
deps.classpath = append(deps.classpath, dep.HeaderJars()...)
case staticLibTag:
deps.classpath = append(deps.classpath, dep.HeaderJars()...)
deps.staticJars = append(deps.staticJars, dep.ImplementationJars()...)
deps.staticHeaderJars = append(deps.staticHeaderJars, dep.HeaderJars()...)
case frameworkResTag:
if ctx.ModuleName() == "framework" {
// framework.jar has a one-off dependency on the R.java and Manifest.java files
// generated by framework-res.apk
deps.srcJars = append(deps.srcJars, dep.(*AndroidApp).aaptSrcJar)
}
case kotlinStdlibTag:
deps.kotlinStdlib = dep.HeaderJars()
default:
panic(fmt.Errorf("unknown dependency %q for %q", otherName, ctx.ModuleName()))
}
deps.aidlIncludeDirs = append(deps.aidlIncludeDirs, dep.AidlIncludeDirs()...)
})
return deps

55
java/java_test.go
View File

@ -67,6 +67,7 @@ func testContext(config android.Config, bp string,
ctx.RegisterModuleType("java_import", android.ModuleFactoryAdaptor(ImportFactory))
ctx.RegisterModuleType("java_defaults", android.ModuleFactoryAdaptor(defaultsFactory))
ctx.RegisterModuleType("java_system_modules", android.ModuleFactoryAdaptor(SystemModulesFactory))
ctx.RegisterModuleType("java_genrule", android.ModuleFactoryAdaptor(genRuleFactory))
ctx.RegisterModuleType("filegroup", android.ModuleFactoryAdaptor(genrule.FileGroupFactory))
ctx.RegisterModuleType("genrule", android.ModuleFactoryAdaptor(genrule.GenRuleFactory))
ctx.PreArchMutators(android.RegisterPrebuiltsPreArchMutators)
@ -775,6 +776,60 @@ func TestSharding(t *testing.T) {
}
}
func TestJarGenrules(t *testing.T) {
ctx := testJava(t, `
java_library {
name: "foo",
srcs: ["a.java"],
}
java_genrule {
name: "jargen",
tool_files: ["b.java"],
cmd: "$(location b.java) $(in) $(out)",
out: ["jargen.jar"],
srcs: [":foo"],
}
java_library {
name: "bar",
static_libs: ["jargen"],
srcs: ["c.java"],
}
java_library {
name: "baz",
libs: ["jargen"],
srcs: ["c.java"],
}
`)
foo := ctx.ModuleForTests("foo", "android_common").Output("javac/foo.jar")
jargen := ctx.ModuleForTests("jargen", "android_common").Output("jargen.jar")
bar := ctx.ModuleForTests("bar", "android_common").Output("javac/bar.jar")
baz := ctx.ModuleForTests("baz", "android_common").Output("javac/baz.jar")
barCombined := ctx.ModuleForTests("bar", "android_common").Output("combined/bar.jar")
if len(jargen.Inputs) != 1 || jargen.Inputs[0].String() != foo.Output.String() {
t.Errorf("expected jargen inputs [%q], got %q", foo.Output.String(), jargen.Inputs.Strings())
}
if !strings.Contains(bar.Args["classpath"], jargen.Output.String()) {
t.Errorf("bar classpath %v does not contain %q", bar.Args["classpath"], jargen.Output.String())
}
if !strings.Contains(baz.Args["classpath"], jargen.Output.String()) {
t.Errorf("baz classpath %v does not contain %q", baz.Args["classpath"], jargen.Output.String())
}
if len(barCombined.Inputs) != 2 ||
barCombined.Inputs[0].String() != bar.Output.String() ||
barCombined.Inputs[1].String() != jargen.Output.String() {
t.Errorf("bar combined jar inputs %v is not [%q, %q]",
barCombined.Inputs.Strings(), bar.Output.String(), jargen.Output.String())
}
}
func fail(t *testing.T, errs []error) {
if len(errs) > 0 {
for _, err := range errs {