Merge "Export defaultJavaLibraryName() identifier"
diff --git a/android/allowlists/allowlists.go b/android/allowlists/allowlists.go
index dd0aaeb..1ece9fa 100644
--- a/android/allowlists/allowlists.go
+++ b/android/allowlists/allowlists.go
@@ -132,6 +132,7 @@
 		"external/f2fs-tools":                    Bp2BuildDefaultTrue,
 		"external/flac":                          Bp2BuildDefaultTrueRecursively,
 		"external/fmtlib":                        Bp2BuildDefaultTrueRecursively,
+		"external/guava":                         Bp2BuildDefaultTrueRecursively,
 		"external/google-benchmark":              Bp2BuildDefaultTrueRecursively,
 		"external/googletest":                    Bp2BuildDefaultTrueRecursively,
 		"external/gwp_asan":                      Bp2BuildDefaultTrueRecursively,
@@ -364,8 +365,6 @@
 		"system/testing/gtest_extras":                            Bp2BuildDefaultTrueRecursively,
 		"system/timezone/apex":                                   Bp2BuildDefaultTrueRecursively,
 		"system/timezone/output_data":                            Bp2BuildDefaultTrueRecursively,
-		"system/timezone/testdata":                               Bp2BuildDefaultTrueRecursively,
-		"system/timezone/testing":                                Bp2BuildDefaultTrueRecursively,
 		"system/tools/aidl/build/tests_bp2build":                 Bp2BuildDefaultTrue,
 		"system/tools/aidl/metadata":                             Bp2BuildDefaultTrue,
 		"system/tools/hidl/metadata":                             Bp2BuildDefaultTrue,
@@ -387,6 +386,7 @@
 		"build/bazel":/* recursive = */ true,
 		"build/make/core":/* recursive = */ false,
 		"build/bazel_common_rules":/* recursive = */ true,
+		"build/make/target/product/security":/* recursive = */ false,
 		// build/make/tools/signapk BUILD file is generated, so build/make/tools is not recursive.
 		"build/make/tools":/* recursive = */ false,
 		"build/pesto":/* recursive = */ true,
@@ -398,7 +398,6 @@
 		"external/bazelbuild-rules_license":/* recursive = */ true,
 		"external/bazelbuild-kotlin-rules":/* recursive = */ true,
 		"external/bazel-skylib":/* recursive = */ true,
-		"external/guava":/* recursive = */ true,
 		"external/protobuf":/* recursive = */ false,
 		"external/python/absl-py":/* recursive = */ true,
 
@@ -712,6 +711,8 @@
 
 		// allowlisting for kotlinx_coroutines
 		"kotlinx_coroutines",
+		"kotlinx_coroutines-device",
+		"kotlinx_coroutines-host",
 		"annotations",
 		"kotlinx-coroutines-android-annotation-stubs",
 
diff --git a/bp2build/Android.bp b/bp2build/Android.bp
index 6edd78a..598ca32 100644
--- a/bp2build/Android.bp
+++ b/bp2build/Android.bp
@@ -61,6 +61,7 @@
         "genrule_conversion_test.go",
         "gensrcs_conversion_test.go",
         "java_binary_host_conversion_test.go",
+        "java_host_for_device_conversion_test.go",
         "java_import_conversion_test.go",
         "java_library_conversion_test.go",
         "java_library_host_conversion_test.go",
diff --git a/bp2build/java_host_for_device_conversion_test.go b/bp2build/java_host_for_device_conversion_test.go
new file mode 100644
index 0000000..d908d00
--- /dev/null
+++ b/bp2build/java_host_for_device_conversion_test.go
@@ -0,0 +1,63 @@
+// Copyright 2023 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 bp2build
+
+import (
+	"testing"
+
+	"android/soong/android"
+	"android/soong/java"
+)
+
+func runJavaHostForDeviceTestCaseWithRegistrationCtxFunc(t *testing.T, tc Bp2buildTestCase, registrationCtxFunc func(ctx android.RegistrationContext)) {
+	t.Helper()
+	(&tc).ModuleTypeUnderTest = "java_host_for_device"
+	(&tc).ModuleTypeUnderTestFactory = java.HostForDeviceFactory
+	RunBp2BuildTestCase(t, registrationCtxFunc, tc)
+}
+
+func runJavaHostForDeviceTestCase(t *testing.T, tc Bp2buildTestCase) {
+	t.Helper()
+	runJavaHostForDeviceTestCaseWithRegistrationCtxFunc(t, tc, func(ctx android.RegistrationContext) {
+		ctx.RegisterModuleType("java_library", java.LibraryFactory)
+	})
+}
+
+func TestJavaHostForDevice(t *testing.T) {
+	runJavaHostForDeviceTestCase(t, Bp2buildTestCase{
+		Description: "java_host_for_device test",
+		Blueprint: `java_host_for_device {
+    name: "java-lib-1",
+    libs: ["java-lib-2"],
+    bazel_module: { bp2build_available: true },
+}
+
+java_library {
+    name: "java-lib-2",
+    srcs: ["b.java"],
+    bazel_module: { bp2build_available: true },
+}`,
+		ExpectedBazelTargets: []string{
+			MakeBazelTarget("java_host_for_device", "java-lib-1", AttrNameToString{
+				"deps": `[":java-lib-2"]`,
+			}),
+			MakeNeverlinkDuplicateTarget("java_library", "java-lib-1"),
+			MakeBazelTarget("java_library", "java-lib-2", AttrNameToString{
+				"srcs": `["b.java"]`,
+			}),
+			MakeNeverlinkDuplicateTarget("java_library", "java-lib-2"),
+		},
+	})
+}
diff --git a/bp2build/java_library_conversion_test.go b/bp2build/java_library_conversion_test.go
index 69d0db9..683ee27 100644
--- a/bp2build/java_library_conversion_test.go
+++ b/bp2build/java_library_conversion_test.go
@@ -740,7 +740,7 @@
 	})
 }
 
-func TestJavaLibraryArchVariantLibs(t *testing.T) {
+func TestJavaLibraryArchVariantDeps(t *testing.T) {
 	runJavaLibraryTestCase(t, Bp2buildTestCase{
 		Description: "java_library with arch variant libs",
 		Blueprint: `java_library {
@@ -750,6 +750,7 @@
     target: {
         android: {
             libs: ["java-lib-3"],
+            static_libs: ["java-lib-4"],
         },
     },
     bazel_module: { bp2build_available: true },
@@ -762,12 +763,23 @@
 	java_library{
 		name: "java-lib-3",
 }
+
+	java_library{
+		name: "java-lib-4",
+}
 `,
 		ExpectedBazelTargets: []string{
 			MakeBazelTarget("java_library", "java-lib-1", AttrNameToString{
 				"srcs": `["a.java"]`,
+				"exports": `select({
+        "//build/bazel/platforms/os:android": [":java-lib-4"],
+        "//conditions:default": [],
+    })`,
 				"deps": `[":java-lib-2-neverlink"] + select({
-        "//build/bazel/platforms/os:android": [":java-lib-3-neverlink"],
+        "//build/bazel/platforms/os:android": [
+            ":java-lib-3-neverlink",
+            ":java-lib-4",
+        ],
         "//conditions:default": [],
     })`,
 			}),
@@ -776,6 +788,8 @@
 			MakeNeverlinkDuplicateTarget("java_library", "java-lib-2"),
 			MakeBazelTarget("java_library", "java-lib-3", AttrNameToString{}),
 			MakeNeverlinkDuplicateTarget("java_library", "java-lib-3"),
+			MakeBazelTarget("java_library", "java-lib-4", AttrNameToString{}),
+			MakeNeverlinkDuplicateTarget("java_library", "java-lib-4"),
 		},
 	})
 }
diff --git a/bp2build/symlink_forest.go b/bp2build/symlink_forest.go
index aac5e7d..5c33308 100644
--- a/bp2build/symlink_forest.go
+++ b/bp2build/symlink_forest.go
@@ -21,10 +21,13 @@
 	"path/filepath"
 	"regexp"
 	"sort"
+	"strconv"
+	"strings"
 	"sync"
 	"sync/atomic"
 
 	"android/soong/shared"
+
 	"github.com/google/blueprint/pathtools"
 )
 
@@ -35,6 +38,13 @@
 // excluded from symlinking. Otherwise, the node is not excluded, but one of its
 // descendants is (otherwise the node in question would not exist)
 
+// This is a version int written to a file called symlink_forest_version at the root of the
+// symlink forest. If the version here does not match the version in the file, then we'll
+// clean the whole symlink forest and recreate it. This number can be bumped whenever there's
+// an incompatible change to the forest layout or a bug in incrementality that needs to be fixed
+// on machines that may still have the bug present in their forest.
+const symlinkForestVersion = 1
+
 type instructionsNode struct {
 	name     string
 	excluded bool // If false, this is just an intermediate node
@@ -123,6 +133,34 @@
 	}
 	newContents = append(newContents, srcBuildFileContent...)
 
+	// Say you run bp2build 4 times:
+	// - The first time there's only an Android.bp file. bp2build will convert it to a build file
+	//   under out/soong/bp2build, then symlink from the forest to that generated file
+	// - Then you add a handcrafted BUILD file in the same directory. bp2build will merge this with
+	//   the generated one, and write the result to the output file in the forest. But the output
+	//   file was a symlink to out/soong/bp2build from the previous step! So we erroneously update
+	//   the file in out/soong/bp2build instead. So far this doesn't cause any problems...
+	// - You run a 3rd bp2build with no relevant changes. Everything continues to work.
+	// - You then add a comment to the handcrafted BUILD file. This causes a merge with the
+	//   generated file again. But since we wrote to the generated file in step 2, the generated
+	//   file has an old copy of the handcrafted file in it! This probably causes duplicate bazel
+	//   targets.
+	// To solve this, if we see that the output file is a symlink from a previous build, remove it.
+	stat, err := os.Lstat(output)
+	if err != nil && !os.IsNotExist(err) {
+		return err
+	} else if err == nil {
+		if stat.Mode()&os.ModeSymlink == os.ModeSymlink {
+			if verbose {
+				fmt.Fprintf(os.Stderr, "Removing symlink so that we can replace it with a merged file: %s\n", output)
+			}
+			err = os.Remove(output)
+			if err != nil {
+				return err
+			}
+		}
+	}
+
 	return pathtools.WriteFileIfChanged(output, newContents, 0666)
 }
 
@@ -202,6 +240,46 @@
 	return false
 }
 
+// maybeCleanSymlinkForest will remove the whole symlink forest directory if the version recorded
+// in the symlink_forest_version file is not equal to symlinkForestVersion.
+func maybeCleanSymlinkForest(topdir, forest string, verbose bool) error {
+	versionFilePath := shared.JoinPath(topdir, forest, "symlink_forest_version")
+	versionFileContents, err := os.ReadFile(versionFilePath)
+	if err != nil && !os.IsNotExist(err) {
+		return err
+	}
+	versionFileString := strings.TrimSpace(string(versionFileContents))
+	symlinkForestVersionString := strconv.Itoa(symlinkForestVersion)
+	if err != nil || versionFileString != symlinkForestVersionString {
+		if verbose {
+			fmt.Fprintf(os.Stderr, "Old symlink_forest_version was %q, current is %q. Cleaning symlink forest before recreating...\n", versionFileString, symlinkForestVersionString)
+		}
+		err = os.RemoveAll(shared.JoinPath(topdir, forest))
+		if err != nil {
+			return err
+		}
+	}
+	return nil
+}
+
+// maybeWriteVersionFile will write the symlink_forest_version file containing symlinkForestVersion
+// if it doesn't exist already. If it exists we know it must contain symlinkForestVersion because
+// we checked for that already in maybeCleanSymlinkForest
+func maybeWriteVersionFile(topdir, forest string) error {
+	versionFilePath := shared.JoinPath(topdir, forest, "symlink_forest_version")
+	_, err := os.Stat(versionFilePath)
+	if err != nil {
+		if !os.IsNotExist(err) {
+			return err
+		}
+		err = os.WriteFile(versionFilePath, []byte(strconv.Itoa(symlinkForestVersion)+"\n"), 0666)
+		if err != nil {
+			return err
+		}
+	}
+	return nil
+}
+
 // Recursively plants a symlink forest at forestDir. The symlink tree will
 // contain every file in buildFilesDir and srcDir excluding the files in
 // instructions. Collects every directory encountered during the traversal of
@@ -395,6 +473,12 @@
 		symlinkCount: atomic.Uint64{},
 	}
 
+	err := maybeCleanSymlinkForest(topdir, forest, verbose)
+	if err != nil {
+		fmt.Fprintln(os.Stderr, err)
+		os.Exit(1)
+	}
+
 	instructions := instructionsFromExcludePathList(exclude)
 	go func() {
 		context.wg.Add(1)
@@ -407,5 +491,11 @@
 		deps = append(deps, dep)
 	}
 
+	err = maybeWriteVersionFile(topdir, forest)
+	if err != nil {
+		fmt.Fprintln(os.Stderr, err)
+		os.Exit(1)
+	}
+
 	return deps, context.mkdirCount.Load(), context.symlinkCount.Load()
 }
diff --git a/cc/afdo.go b/cc/afdo.go
index 4a8498b..be4f50a 100644
--- a/cc/afdo.go
+++ b/cc/afdo.go
@@ -71,10 +71,10 @@
 
 func (afdo *afdo) flags(ctx ModuleContext, flags Flags) Flags {
 	if path := afdo.Properties.FdoProfilePath; path != nil {
+		// The flags are prepended to allow overriding.
 		profileUseFlag := fmt.Sprintf(afdoCFlagsFormat, *path)
-		flags.Local.CFlags = append(flags.Local.CFlags, profileUseFlag)
-		flags.Local.LdFlags = append(flags.Local.LdFlags, profileUseFlag)
-		flags.Local.LdFlags = append(flags.Local.LdFlags, "-Wl,-mllvm,-no-warn-sample-unused=true")
+		flags.Local.CFlags = append([]string{profileUseFlag}, flags.Local.CFlags...)
+		flags.Local.LdFlags = append([]string{profileUseFlag, "-Wl,-mllvm,-no-warn-sample-unused=true"}, flags.Local.LdFlags...)
 
 		// Update CFlagsDeps and LdFlagsDeps so the module is rebuilt
 		// if profileFile gets updated
diff --git a/java/config/config.go b/java/config/config.go
index 13670ee..b82a137 100644
--- a/java/config/config.go
+++ b/java/config/config.go
@@ -95,11 +95,13 @@
 		"-JXX:TieredStopAtLevel=1",
 		"-JDcom.android.tools.r8.emitRecordAnnotationsInDex",
 		"-JDcom.android.tools.r8.emitPermittedSubclassesAnnotationsInDex",
+		"-JDcom.android.tools.r8.emitRecordAnnotationsExInDex",
 	}, dexerJavaVmFlagsList...))
 	exportedVars.ExportStringListStaticVariable("R8Flags", append([]string{
 		"-JXmx2048M",
 		"-JDcom.android.tools.r8.emitRecordAnnotationsInDex",
 		"-JDcom.android.tools.r8.emitPermittedSubclassesAnnotationsInDex",
+		"-JDcom.android.tools.r8.emitRecordAnnotationsExInDex",
 	}, dexerJavaVmFlagsList...))
 
 	exportedVars.ExportStringListStaticVariable("CommonJdkFlags", []string{
diff --git a/java/core-libraries/TxtStubLibraries.bp b/java/core-libraries/TxtStubLibraries.bp
index b63ce42..813187e 100644
--- a/java/core-libraries/TxtStubLibraries.bp
+++ b/java/core-libraries/TxtStubLibraries.bp
@@ -33,8 +33,8 @@
         "system-modules-no-annotations",
     ],
     static_libs: [
-        "core.current.stubs.from-txt",
-        "core-lambda-stubs-for-system-modules",
+        "core.current.stubs.from-text",
+        "core-lambda-stubs.from-text",
     ],
     // TODO: Enable after stub generation from .txt file is available
     enabled: false,
@@ -58,8 +58,8 @@
         "system-modules-no-annotations",
     ],
     static_libs: [
-        "core.module_lib.stubs.txt",
-        "core-lambda-stubs-for-system-modules",
+        "core.module_lib.stubs.from-text",
+        "core-lambda-stubs.from-text",
     ],
     // TODO: Enable after stub generation from .txt file is available
     enabled: false,
@@ -89,7 +89,7 @@
     visibility: core_platform_visibility,
     libs: [
         "legacy.core.platform.api.no.annotations.stubs.from-text",
-        "core-lambda-stubs-for-system-modules",
+        "core-lambda-stubs.from-text",
     ],
     // TODO: Enable after stub generation from .txt file is available
     enabled: false,
@@ -118,7 +118,7 @@
     visibility: core_platform_visibility,
     libs: [
         "stable.core.platform.api.no.annotations.stubs.from-text",
-        "core-lambda-stubs-for-system-modules",
+        "core-lambda-stubs.from-text",
     ],
     // TODO: Enable after stub generation from .txt file is available
     enabled: false,
@@ -140,3 +140,17 @@
     // TODO: Enable after stub generation from .txt file is available
     enabled: false,
 }
+
+java_api_library {
+    name: "core-lambda-stubs.from-text",
+    api_surface: "toolchain",
+    api_contributions: [
+        "art.module.toolchain.api.api.contribution",
+    ],
+    libs: [
+        // LambdaMetaFactory depends on CallSite etc. which is part of the Core API surface
+        "core.current.stubs.from-text",
+    ],
+    // TODO: Enable after stub generation from .txt file is available
+    enabled: false,
+}
diff --git a/java/device_host_converter.go b/java/device_host_converter.go
index 4abdcc6..656c866 100644
--- a/java/device_host_converter.go
+++ b/java/device_host_converter.go
@@ -19,12 +19,14 @@
 	"io"
 
 	"android/soong/android"
+	"android/soong/bazel"
 	"android/soong/dexpreopt"
 )
 
 type DeviceHostConverter struct {
 	android.ModuleBase
 	android.DefaultableModuleBase
+	android.BazelModuleBase
 
 	properties DeviceHostConverterProperties
 
@@ -76,6 +78,7 @@
 	module.AddProperties(&module.properties)
 
 	InitJavaModule(module, android.DeviceSupported)
+	android.InitBazelModule(module)
 	return module
 }
 
@@ -186,3 +189,30 @@
 		},
 	}
 }
+
+type bazelDeviceHostConverterAttributes struct {
+	Deps bazel.LabelListAttribute
+}
+
+func (d *DeviceHostConverter) ConvertWithBp2build(ctx android.TopDownMutatorContext) {
+	ctx.CreateBazelTargetModule(
+		bazel.BazelTargetModuleProperties{
+			Rule_class:        "java_host_for_device",
+			Bzl_load_location: "//build/bazel/rules/java:host_for_device.bzl",
+		},
+		android.CommonAttributes{Name: d.Name()},
+		&bazelDeviceHostConverterAttributes{
+			Deps: bazel.MakeLabelListAttribute(android.BazelLabelForModuleDeps(ctx, d.properties.Libs)),
+		},
+	)
+	neverlinkProp := true
+	neverLinkAttrs := &javaLibraryAttributes{
+		Exports:   bazel.MakeSingleLabelListAttribute(bazel.Label{Label: ":" + d.Name()}),
+		Neverlink: bazel.BoolAttribute{Value: &neverlinkProp},
+	}
+	ctx.CreateBazelTargetModule(
+		javaLibraryBazelTargetModuleProperties(),
+		android.CommonAttributes{Name: d.Name() + "-neverlink"},
+		neverLinkAttrs)
+
+}
diff --git a/java/java.go b/java/java.go
index c97f427..d400b0c 100644
--- a/java/java.go
+++ b/java/java.go
@@ -2907,10 +2907,6 @@
 		}
 	}
 
-	if m.properties.Static_libs != nil {
-		staticDeps.Append(android.BazelLabelForModuleDeps(ctx, android.LastUniqueStrings(android.CopyOf(m.properties.Static_libs))))
-	}
-
 	protoDepLabel := bp2buildProto(ctx, &m.Module, srcPartitions[protoSrcPartition])
 	// Soong does not differentiate between a java_library and the Bazel equivalent of
 	// a java_proto_library + proto_library pair. Instead, in Soong proto sources are
@@ -2922,7 +2918,18 @@
 
 	depLabels := &javaDependencyLabels{}
 	depLabels.Deps = deps
-	depLabels.StaticDeps = bazel.MakeLabelListAttribute(staticDeps)
+
+	for axis, configToProps := range archVariantProps {
+		for config, _props := range configToProps {
+			if archProps, ok := _props.(*CommonProperties); ok {
+				archStaticLibs := android.BazelLabelForModuleDeps(
+					ctx,
+					android.LastUniqueStrings(android.CopyOf(archProps.Static_libs)))
+				depLabels.StaticDeps.SetSelectValue(axis, config, archStaticLibs)
+			}
+		}
+	}
+	depLabels.StaticDeps.Value.Append(staticDeps)
 
 	hasKotlin := !kotlinSrcs.IsEmpty()
 	commonAttrs.kotlinAttributes = &kotlinAttributes{
diff --git a/java/sdk.go b/java/sdk.go
index 1b18ba4..8b4918a 100644
--- a/java/sdk.go
+++ b/java/sdk.go
@@ -151,7 +151,7 @@
 		systemModules := android.JavaApiLibraryName(ctx.Config(), fmt.Sprintf("core-%s-stubs-system-modules", systemModulesKind))
 		return sdkDep{
 			useModule:          true,
-			bootclasspath:      []string{module, config.DefaultLambdaStubsLibrary},
+			bootclasspath:      []string{module, android.JavaApiLibraryName(ctx.Config(), config.DefaultLambdaStubsLibrary)},
 			systemModules:      systemModules,
 			java9Classpath:     []string{module},
 			frameworkResModule: "framework-res",
@@ -197,7 +197,7 @@
 	case android.SdkCore:
 		return sdkDep{
 			useModule:        true,
-			bootclasspath:    []string{android.SdkCore.JavaLibraryName(ctx.Config()), config.DefaultLambdaStubsLibrary},
+			bootclasspath:    []string{android.SdkCore.JavaLibraryName(ctx.Config()), android.JavaApiLibraryName(ctx.Config(), config.DefaultLambdaStubsLibrary)},
 			systemModules:    android.JavaApiLibraryName(ctx.Config(), "core-public-stubs-system-modules"),
 			noFrameworksLibs: true,
 		}