Merge "Revert "Remove desugar support""
diff --git a/core/config.mk b/core/config.mk
index 0920b56..6c062a6 100644
--- a/core/config.mk
+++ b/core/config.mk
@@ -570,7 +570,9 @@
# Work around for b/68406220
# This should match the soong version.
-USE_D8 := true
+ifndef USE_D8
+ USE_D8 := true
+endif
# Default R8 behavior when USE_R8 is not specified.
ifndef USE_R8
@@ -584,6 +586,7 @@
AIDL := $(HOST_OUT_EXECUTABLES)/aidl
AAPT := $(HOST_OUT_EXECUTABLES)/aapt
AAPT2 := $(HOST_OUT_EXECUTABLES)/aapt2
+ DESUGAR := $(HOST_OUT_JAVA_LIBRARIES)/desugar.jar
MAINDEXCLASSES := $(HOST_OUT_EXECUTABLES)/mainDexClasses
SIGNAPK_JAR := $(HOST_OUT_JAVA_LIBRARIES)/signapk$(COMMON_JAVA_PACKAGE_SUFFIX)
SIGNAPK_JNI_LIBRARY_PATH := $(HOST_OUT_SHARED_LIBRARIES)
@@ -593,6 +596,7 @@
AIDL := $(prebuilt_build_tools_bin)/aidl
AAPT := $(prebuilt_sdk_tools_bin)/aapt
AAPT2 := $(prebuilt_sdk_tools_bin)/aapt2
+ DESUGAR := $(prebuilt_build_tools_jars)/desugar.jar
MAINDEXCLASSES := $(prebuilt_sdk_tools)/mainDexClasses
SIGNAPK_JAR := $(prebuilt_sdk_tools)/lib/signapk$(COMMON_JAVA_PACKAGE_SUFFIX)
SIGNAPK_JNI_LIBRARY_PATH := $(prebuilt_sdk_tools)/$(HOST_OS)/lib64
diff --git a/core/definitions.mk b/core/definitions.mk
index b1a1f8f..e18f9a4 100644
--- a/core/definitions.mk
+++ b/core/definitions.mk
@@ -2374,10 +2374,48 @@
$(if $(filter $(1),$(PLATFORM_VERSION_CODENAME)),10000,$(1))
endef
+# --add-opens is required because desugar reflects via java.lang.invoke.MethodHandles.Lookup
+define desugar-classes-jar
+@echo Desugar: $@
+@mkdir -p $(dir $@)
+$(hide) rm -f $@ $@.tmp
+@rm -rf $(dir $@)/desugar_dumped_classes
+@mkdir $(dir $@)/desugar_dumped_classes
+$(hide) $(JAVA) \
+ $(if $(USE_OPENJDK9),--add-opens java.base/java.lang.invoke=ALL-UNNAMED,) \
+ -Djdk.internal.lambda.dumpProxyClasses=$(abspath $(dir $@))/desugar_dumped_classes \
+ -jar $(DESUGAR) \
+ $(addprefix --bootclasspath_entry ,$(PRIVATE_BOOTCLASSPATH)) \
+ $(addprefix --classpath_entry ,$(PRIVATE_SHARED_JAVA_HEADER_LIBRARIES)) \
+ --min_sdk_version $(call codename-or-sdk-to-sdk,$(PRIVATE_MIN_SDK_VERSION)) \
+ --allow_empty_bootclasspath \
+ $(if $(filter --core-library,$(PRIVATE_DX_FLAGS)),--core_library) \
+ -i $< -o $@.tmp
+ mv $@.tmp $@
+endef
+
define transform-classes.jar-to-dex
@echo "target Dex: $(PRIVATE_MODULE)"
@mkdir -p $(dir $@)
+$(hide) rm -f $(dir $@)classes*.dex
+$(hide) $(DX_COMMAND) \
+ --dex --output=$(dir $@) \
+ --min-sdk-version=$(PRIVATE_MIN_SDK_VERSION) \
+ $(if $(NO_OPTIMIZE_DX), \
+ --no-optimize) \
+ $(if $(GENERATE_DEX_DEBUG), \
+ --debug --verbose \
+ --dump-to=$(@:.dex=.lst) \
+ --dump-width=1000) \
+ $(PRIVATE_DX_FLAGS) \
+ $<
+endef
+
+
+define transform-classes-d8.jar-to-dex
+@echo "target Dex: $(PRIVATE_MODULE)"
+@mkdir -p $(dir $@)
$(hide) rm -f $(dir $@)classes*.dex $(dir $@)d8_input.jar
$(hide) $(ZIP2ZIP) -j -i $< -o $(dir $@)d8_input.jar "**/*.class"
$(hide) $(DX_COMMAND) \
diff --git a/core/host_dalvik_java_library.mk b/core/host_dalvik_java_library.mk
index d35f39d..1ef0ccb 100644
--- a/core/host_dalvik_java_library.mk
+++ b/core/host_dalvik_java_library.mk
@@ -33,6 +33,7 @@
full_classes_header_jar := $(intermediates.COMMON)/classes-header.jar
full_classes_compiled_jar := $(intermediates.COMMON)/classes-full-debug.jar
full_classes_combined_jar := $(intermediates.COMMON)/classes-combined.jar
+full_classes_desugar_jar := $(intermediates.COMMON)/desugar.classes.jar
full_classes_jarjar_jar := $(intermediates.COMMON)/classes-jarjar.jar
full_classes_jar := $(intermediates.COMMON)/classes.jar
built_dex := $(intermediates.COMMON)/classes.dex
@@ -42,6 +43,7 @@
$(full_classes_turbine_jar) \
$(full_classes_compiled_jar) \
$(full_classes_combined_jar) \
+ $(full_classes_desugar_jar) \
$(full_classes_jarjar_jar) \
$(full_classes_jar) \
$(built_dex) \
@@ -156,6 +158,22 @@
$(eval $(call copy-one-file,$(full_classes_jarjar_jar),$(full_classes_jar)))
+ifneq ($(USE_D8_DESUGAR),true)
+my_desugaring :=
+ifeq ($(LOCAL_JAVA_LANGUAGE_VERSION),1.8)
+my_desugaring := true
+$(full_classes_desugar_jar): PRIVATE_DX_FLAGS := $(LOCAL_DX_FLAGS)
+$(full_classes_desugar_jar): $(full_classes_jar) $(full_java_header_libs) $(DESUGAR)
+ $(desugar-classes-jar)
+endif
+else
+my_desugaring :=
+endif
+
+ifndef my_desugaring
+full_classes_desugar_jar := $(full_classes_jar)
+endif
+
ifeq ($(LOCAL_IS_STATIC_JAVA_LIBRARY),true)
# No dex; all we want are the .class files with resources.
$(LOCAL_BUILT_MODULE) : $(java_resource_sources)
@@ -166,8 +184,12 @@
else # !LOCAL_IS_STATIC_JAVA_LIBRARY
$(built_dex): PRIVATE_INTERMEDIATES_DIR := $(intermediates.COMMON)
$(built_dex): PRIVATE_DX_FLAGS := $(LOCAL_DX_FLAGS)
-$(built_dex): $(full_classes_jar) $(DX) $(ZIP2ZIP)
+$(built_dex): $(full_classes_desugar_jar) $(DX) $(ZIP2ZIP)
+ifneq ($(USE_D8_DESUGAR),true)
$(transform-classes.jar-to-dex)
+else
+ $(transform-classes-d8.jar-to-dex)
+endif
$(LOCAL_BUILT_MODULE): PRIVATE_DEX_FILE := $(built_dex)
$(LOCAL_BUILT_MODULE): PRIVATE_SOURCE_ARCHIVE := $(full_classes_jarjar_jar)
diff --git a/core/java.mk b/core/java.mk
index 19e6377..8e5fd1d 100644
--- a/core/java.mk
+++ b/core/java.mk
@@ -72,6 +72,7 @@
full_classes_header_jar := $(intermediates.COMMON)/classes-header.jar
full_classes_compiled_jar := $(intermediates.COMMON)/classes-full-debug.jar
full_classes_processed_jar := $(intermediates.COMMON)/classes-processed.jar
+full_classes_desugar_jar := $(intermediates.COMMON)/classes-desugar.jar
full_classes_jarjar_jar := $(intermediates.COMMON)/classes-jarjar.jar
full_classes_proguard_jar := $(intermediates.COMMON)/classes-proguard.jar
full_classes_combined_jar := $(intermediates.COMMON)/classes-combined.jar
@@ -93,6 +94,7 @@
LOCAL_INTERMEDIATE_TARGETS += \
$(full_classes_turbine_jar) \
$(full_classes_compiled_jar) \
+ $(full_classes_desugar_jar) \
$(full_classes_jarjar_jar) \
$(full_classes_jar) \
$(full_classes_combined_jar) \
@@ -374,7 +376,23 @@
LOCAL_DX_FLAGS := $(filter-out --multi-dex,$(LOCAL_DX_FLAGS)) --multi-dex
endif
-full_classes_pre_proguard_jar := $(LOCAL_FULL_CLASSES_JACOCO_JAR)
+ifneq ($(USE_D8_DESUGAR),true)
+my_desugaring :=
+ifndef LOCAL_IS_STATIC_JAVA_LIBRARY
+my_desugaring := true
+$(full_classes_desugar_jar): PRIVATE_DX_FLAGS := $(LOCAL_DX_FLAGS)
+$(full_classes_desugar_jar): $(LOCAL_FULL_CLASSES_JACOCO_JAR) $(full_java_header_libs) $(DESUGAR)
+ $(desugar-classes-jar)
+endif
+else
+my_desugaring :=
+endif
+
+ifndef my_desugaring
+full_classes_desugar_jar := $(LOCAL_FULL_CLASSES_JACOCO_JAR)
+endif
+
+full_classes_pre_proguard_jar := $(full_classes_desugar_jar)
# Keep a copy of the jar just before proguard processing.
$(eval $(call copy-one-file,$(full_classes_pre_proguard_jar),$(intermediates.COMMON)/classes-pre-proguard.jar))
@@ -545,7 +563,11 @@
ifndef my_r8
$(built_dex_intermediate): $(full_classes_proguard_jar) $(DX) $(ZIP2ZIP)
+ifneq ($(USE_D8_DESUGAR),true)
$(transform-classes.jar-to-dex)
+else
+ $(transform-classes-d8.jar-to-dex)
+endif
endif
ifneq ($(filter $(LOCAL_MODULE),$(PRODUCT_BOOT_JARS)),) # is_boot_jar