Merge "Use kapt stubs for kotlin header jar for javac"
This commit is contained in:
Colin Cross
Gerrit Code Review
commit
40f8c75752
4 changed files with 51 additions and 24 deletions
30
java/base.go
30
java/base.go
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@ -1108,13 +1108,23 @@ func (j *Module) compile(ctx android.ModuleContext, aaptSrcJar android.Path) {
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flags.kotlincClasspath = append(flags.kotlincClasspath, flags.bootClasspath...)
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flags.kotlincClasspath = append(flags.kotlincClasspath, flags.classpath...)
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if len(flags.processorPath) > 0 {
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useTurbineApt := len(flags.processorPath) > 0
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if useTurbineApt {
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// Use kapt for annotation processing
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kaptSrcJar := android.PathForModuleOut(ctx, "kapt", "kapt-sources.jar")
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kaptResJar := android.PathForModuleOut(ctx, "kapt", "kapt-res.jar")
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kotlinKapt(ctx, kaptSrcJar, kaptResJar, kotlinSrcFiles, kotlinCommonSrcFiles, srcJars, flags)
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srcJars = append(srcJars, kaptSrcJar)
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kotlinJars = append(kotlinJars, kaptResJar)
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kotlinTurbineAptHeaderJar := android.PathForModuleOut(ctx, "turbine-apt", "stubs-header.jar")
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kotlinTurbineAptSrcJar := android.PathForModuleOut(ctx, "turbine-apt", "anno-sources.jar")
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kotlinTurbineAptResJar := android.PathForModuleOut(ctx, "turbine-apt", "anno-res.jar")
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kotlinTurbineApt(ctx, kotlinTurbineAptHeaderJar, kotlinTurbineAptSrcJar, kotlinTurbineAptResJar,
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kotlinSrcFiles, kotlinCommonSrcFiles, srcJars, flags)
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srcJars = append(srcJars, kotlinTurbineAptSrcJar)
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kotlinJars = append(kotlinJars, kotlinTurbineAptResJar)
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// When annotation processors are enabled we've already created java stubs for
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// kotlin files using kapt and compiled them in turbine-apt while running the
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// annotation processors, reuse the result as the kotlin header jar for the javac
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// action. It can't be used as the header jar for downstream modules to compile
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// against because it doesn't contain the kotlin-specific metadata that kotlinc
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// needs.
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flags.classpath = append(classpath{kotlinTurbineAptHeaderJar}, flags.classpath...)
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// Disable annotation processing in javac, it's already been handled by kapt
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flags.processorPath = nil
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flags.processors = nil
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@ -1127,11 +1137,13 @@ func (j *Module) compile(ctx android.ModuleContext, aaptSrcJar android.Path) {
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return
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}
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// Make javac rule depend on the kotlinc rule
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flags.classpath = append(classpath{kotlinHeaderJar}, flags.classpath...)
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kotlinJars = append(kotlinJars, kotlinJar)
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kotlinHeaderJars = append(kotlinHeaderJars, kotlinHeaderJar)
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if !useTurbineApt {
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// When annotation processors are not enabled use the kotlinc gen-jvm-abi plugin
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// output as the header jar for javac in this module.
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flags.classpath = append(classpath{kotlinHeaderJar}, flags.classpath...)
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}
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// Jar kotlin classes into the final jar after javac
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if BoolDefault(j.properties.Static_kotlin_stdlib, true) {
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@ -415,7 +415,7 @@ func TransformJavaToHeaderClasses(ctx android.ModuleContext, outputFile android.
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}
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// TurbineApt produces a rule to run annotation processors using turbine.
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func TurbineApt(ctx android.ModuleContext, outputSrcJar, outputResJar android.WritablePath,
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func TurbineApt(ctx android.ModuleContext, outputJar, outputSrcJar, outputResJar android.WritablePath,
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srcFiles, srcJars android.Paths, flags javaBuilderFlags) {
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turbineFlags, deps := turbineFlags(ctx, flags)
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@ -426,8 +426,9 @@ func TurbineApt(ctx android.ModuleContext, outputSrcJar, outputResJar android.Wr
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turbineFlags += " " + flags.processorPath.FormTurbineClassPath("--processorpath ")
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turbineFlags += " --processors " + strings.Join(flags.processors, " ")
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outputs := android.WritablePaths{outputSrcJar, outputResJar}
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outputFlags := "--gensrc_output " + outputSrcJar.String() + ".tmp " +
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outputs := android.WritablePaths{outputJar, outputSrcJar, outputResJar}
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outputFlags := "--output " + outputJar.String() + ".tmp " +
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"--gensrc_output " + outputSrcJar.String() + ".tmp " +
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"--resource_output " + outputResJar.String() + ".tmp"
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rule := turbine
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@ -442,7 +443,9 @@ func TurbineApt(ctx android.ModuleContext, outputSrcJar, outputResJar android.Wr
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if ctx.Config().UseRBE() && ctx.Config().IsEnvTrue("RBE_TURBINE") {
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rule = turbineRE
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args["implicits"] = strings.Join(deps.Strings(), ",")
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args["rbeOutputs"] = outputSrcJar.String() + ".tmp," + outputResJar.String() + ".tmp"
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args["rbeOutputs"] = outputJar.String() + ".tmp," +
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outputSrcJar.String() + ".tmp," +
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outputResJar.String() + ".tmp"
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}
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ctx.Build(pctx, android.BuildParams{
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Rule: rule,
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@ -163,11 +163,11 @@ var kaptStubs = pctx.AndroidRemoteStaticRule("kaptStubs", android.RemoteRuleSupp
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"classpath", "srcJars", "commonSrcFilesArg", "srcJarDir", "kaptDir", "kotlinJvmTarget",
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"kotlinBuildFile", "name", "classesJarOut")
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// kotlinKapt performs Kotlin-compatible annotation processing. It takes .kt and .java sources and srcjars, and runs
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// kotlinTurbineApt performs Kotlin-compatible annotation processing. It takes .kt and .java sources and srcjars, and runs
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// annotation processors over all of them, producing a srcjar of generated code in outputFile. The srcjar should be
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// added as an additional input to kotlinc and javac rules, and the javac rule should have annotation processing
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// disabled.
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func kotlinKapt(ctx android.ModuleContext, srcJarOutputFile, resJarOutputFile android.WritablePath,
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func kotlinTurbineApt(ctx android.ModuleContext, headerJarOutputFile, srcJarOutputFile, resJarOutputFile android.WritablePath,
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srcFiles, commonSrcFiles, srcJars android.Paths,
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flags javaBuilderFlags) {
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@ -231,7 +231,7 @@ func kotlinKapt(ctx android.ModuleContext, srcJarOutputFile, resJarOutputFile an
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// Then run turbine to perform annotation processing on the stubs and any .java srcFiles.
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javaSrcFiles := srcFiles.FilterByExt(".java")
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turbineSrcJars := append(android.Paths{kaptStubsJar}, srcJars...)
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TurbineApt(ctx, srcJarOutputFile, resJarOutputFile, javaSrcFiles, turbineSrcJars, flags)
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TurbineApt(ctx, headerJarOutputFile, srcJarOutputFile, resJarOutputFile, javaSrcFiles, turbineSrcJars, flags)
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}
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// kapt converts a list of key, value pairs into a base64 encoded Java serialization, which is what kapt expects.
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@ -155,22 +155,34 @@ func TestKapt(t *testing.T) {
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t.Errorf("expected %q in turbine-apt implicits %v", kaptStubs.Output.String(), kotlinc.Implicits.Strings())
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}
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turbineAptSrcjarOutput := turbineApt.ImplicitOutputs[0]
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// Test that the turbine-apt srcjar is a dependency of kotlinc and javac rules
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if !inList(turbineApt.Output.String(), kotlinc.Implicits.Strings()) {
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t.Errorf("expected %q in kotlinc implicits %v", turbineApt.Output.String(), kotlinc.Implicits.Strings())
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if !inList(turbineAptSrcjarOutput.String(), kotlinc.Implicits.Strings()) {
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t.Errorf("expected %q in kotlinc implicits %v", turbineAptSrcjarOutput.String(), kotlinc.Implicits.Strings())
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}
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if !inList(turbineApt.Output.String(), javac.Implicits.Strings()) {
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t.Errorf("expected %q in javac implicits %v", turbineApt.Output.String(), javac.Implicits.Strings())
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if !inList(turbineAptSrcjarOutput.String(), javac.Implicits.Strings()) {
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t.Errorf("expected %q in javac implicits %v", turbineAptSrcjarOutput.String(), javac.Implicits.Strings())
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}
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// Test that the turbine-apt srcjar is extracted by the kotlinc and javac rules
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if kotlinc.Args["srcJars"] != turbineApt.Output.String() {
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t.Errorf("expected %q in kotlinc srcjars %v", turbineApt.Output.String(), kotlinc.Args["srcJars"])
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if kotlinc.Args["srcJars"] != turbineAptSrcjarOutput.String() {
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t.Errorf("expected %q in kotlinc srcjars %v", turbineAptSrcjarOutput.String(), kotlinc.Args["srcJars"])
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}
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if javac.Args["srcJars"] != turbineApt.Output.String() {
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t.Errorf("expected %q in javac srcjars %v", turbineApt.Output.String(), kotlinc.Args["srcJars"])
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if javac.Args["srcJars"] != turbineAptSrcjarOutput.String() {
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t.Errorf("expected %q in javac srcjars %v", turbineAptSrcjarOutput.String(), kotlinc.Args["srcJars"])
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}
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// Test that the turbine-apt header jar is a dependency of the javac rules
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turbineAptHeaderjarOutput := turbineApt.Output
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android.AssertStringListContains(t, "javac dependency", javac.Implicits.Strings(), turbineAptHeaderjarOutput.String())
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android.AssertStringDoesContain(t, "javac classpath", javac.Args["classpath"], turbineAptHeaderjarOutput.String())
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// Test that the kotlinc header jar is a not a dependency of the javac rules
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kotlincHeaderJarOutput := kotlinc.ImplicitOutput
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android.AssertStringListDoesNotContain(t, "javac dependency", javac.Implicits.Strings(), kotlincHeaderJarOutput.String())
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android.AssertStringDoesNotContain(t, "javac classpath", javac.Args["classpath"], kotlincHeaderJarOutput.String())
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// Test that the processors are passed to kapt
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expectedProcessorPath := "-P plugin:org.jetbrains.kotlin.kapt3:apclasspath=" + bar +
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" -P plugin:org.jetbrains.kotlin.kapt3:apclasspath=" + baz
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