Merge changes If54d9c69,Ibc253514

* changes:
  Fix PathForPhony
  Allow java manifest property to reference filegroups

android/module.go

@@ -106,6 +106,7 @@ type ModuleContext interface {
 	ModuleBuild(pctx PackageContext, params ModuleBuildParams)
 
 	ExpandSources(srcFiles, excludes []string) Paths
+	ExpandSource(srcFile, prop string) Path
 	ExpandSourcesSubDir(srcFiles, excludes []string, subDir string) Paths
 	Glob(globPattern string, excludes []string) Paths
 
@@ -1005,8 +1006,8 @@ type sourceDependencyTag struct {
 
 var SourceDepTag sourceDependencyTag
 
-// Returns a list of modules that must be depended on to satisfy filegroup or generated sources
-// modules listed in srcFiles using ":module" syntax
+// Adds necessary dependencies to satisfy filegroup or generated sources modules listed in srcFiles
+// using ":module" syntax, if any.
 func ExtractSourcesDeps(ctx BottomUpMutatorContext, srcFiles []string) {
 	var deps []string
 	set := make(map[string]bool)
@@ -1025,6 +1026,16 @@ func ExtractSourcesDeps(ctx BottomUpMutatorContext, srcFiles []string) {
 	ctx.AddDependency(ctx.Module(), SourceDepTag, deps...)
 }
 
+// Adds necessary dependencies to satisfy filegroup or generated sources modules specified in s
+// using ":module" syntax, if any.
+func ExtractSourceDeps(ctx BottomUpMutatorContext, s *string) {
+	if s != nil {
+		if m := SrcIsModule(*s); m != "" {
+			ctx.AddDependency(ctx.Module(), SourceDepTag, m)
+		}
+	}
+}
+
 type SourceFileProducer interface {
 	Srcs() Paths
 }
@@ -1035,6 +1046,18 @@ func (ctx *androidModuleContext) ExpandSources(srcFiles, excludes []string) Path
 	return ctx.ExpandSourcesSubDir(srcFiles, excludes, "")
 }
 
+// Returns a single path expanded from globs and modules referenced using ":module" syntax.
+// ExtractSourceDeps must have already been called during the dependency resolution phase.
+func (ctx *androidModuleContext) ExpandSource(srcFile, prop string) Path {
+	srcFiles := ctx.ExpandSourcesSubDir([]string{srcFile}, nil, "")
+	if len(srcFiles) == 1 {
+		return srcFiles[0]
+	} else {
+		ctx.PropertyErrorf(prop, "module providing %s must produce exactly one file", prop)
+		return nil
+	}
+}
+
 func (ctx *androidModuleContext) ExpandSourcesSubDir(srcFiles, excludes []string, subDir string) Paths {
 	prefix := PathForModuleSrc(ctx).String()
 

android/paths.go

@@ -906,9 +906,18 @@ func PathForPhony(ctx PathContext, phony string) WritablePath {
 	if strings.ContainsAny(phony, "$/") {
 		reportPathError(ctx, "Phony target contains invalid character ($ or /): %s", phony)
 	}
-	return OutputPath{basePath{phony, ctx.Config(), ""}}
+	return PhonyPath{basePath{phony, ctx.Config(), ""}}
 }
 
+type PhonyPath struct {
+	basePath
+}
+
+func (p PhonyPath) writablePath() {}
+
+var _ Path = PhonyPath{}
+var _ WritablePath = PhonyPath{}
+
 type testPath struct {
 	basePath
 }

java/java.go

@@ -390,6 +390,7 @@ func (j *Module) deps(ctx android.BottomUpMutatorContext) {
 
 	android.ExtractSourcesDeps(ctx, j.properties.Srcs)
 	android.ExtractSourcesDeps(ctx, j.properties.Java_resources)
+	android.ExtractSourceDeps(ctx, j.properties.Manifest)
 
 	if j.hasSrcExt(".proto") {
 		protoDeps(ctx, &j.protoProperties)
@@ -764,7 +765,10 @@ func (j *Module) compile(ctx android.ModuleContext, extraSrcJars ...android.Path
 	// static classpath jars have the resources in them, so the resource jars aren't necessary here
 	jars = append(jars, deps.staticJars...)
 
-	manifest := android.OptionalPathForModuleSrc(ctx, j.properties.Manifest)
+	var manifest android.OptionalPath
+	if j.properties.Manifest != nil {
+		manifest = android.OptionalPathForPath(ctx.ExpandSource(*j.properties.Manifest, "manifest"))
+	}
 
 	// Combine the classes built from sources, any manifests, and any static libraries into
 	// classes.jar. If there is only one input jar this step will be skipped.
@@ -1088,14 +1092,8 @@ func (j *Binary) GenerateAndroidBuildActions(ctx android.ModuleContext) {
 		// Handle the binary wrapper
 		j.isWrapperVariant = true
 
-		if String(j.binaryProperties.Wrapper) != "" {
-			wrapperSrcs := ctx.ExpandSources([]string{String(j.binaryProperties.Wrapper)}, nil)
-			if len(wrapperSrcs) == 1 {
-				j.wrapperFile = wrapperSrcs[0]
-			} else {
-				ctx.PropertyErrorf("wrapper", "module providing wrapper must produce exactly one file")
-				return
-			}
+		if j.binaryProperties.Wrapper != nil {
+			j.wrapperFile = ctx.ExpandSource(*j.binaryProperties.Wrapper, "wrapper")
 		} else {
 			j.wrapperFile = android.PathForSource(ctx, "build/soong/scripts/jar-wrapper.sh")
 		}
@@ -1113,7 +1111,7 @@ func (j *Binary) DepsMutator(ctx android.BottomUpMutatorContext) {
 	if ctx.Arch().ArchType == android.Common {
 		j.deps(ctx)
 	} else {
-		android.ExtractSourcesDeps(ctx, []string{String(j.binaryProperties.Wrapper)})
+		android.ExtractSourceDeps(ctx, j.binaryProperties.Wrapper)
 	}
 }