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Commit f8a49c5a authored by Colin Cross's avatar Colin Cross
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Add LOCAL_JAR_PROCESSOR 

Allow using a host java library as an intermediate processor step
after javac but before desugar, proguard, or dx.

Test: manual
Change-Id: I7fb843e10d96c0167f6e4371582fabcc1454521f
parent 00e3bd93

core/clear_vars.mk

+2 −0
Original line number Diff line number Diff line
@@ -115,6 +115,8 @@ LOCAL_JAR_EXCLUDE_PACKAGES:= 
LOCAL_JARJAR_RULES:=

LOCAL_JAR_MANIFEST:=

LOCAL_JAR_PACKAGES:=

LOCAL_JAR_PROCESSOR:=

LOCAL_JAR_PROCESSOR_ARGS:=

LOCAL_JAVACFLAGS:=

LOCAL_JAVA_LANGUAGE_VERSION:=

LOCAL_JAVA_LAYERS_FILE:=

core/java.mk

+26 −2
Original line number Diff line number Diff line
@@ -110,6 +110,7 @@ LOCAL_PROGUARD_ENABLED := 
endif



full_classes_compiled_jar := $(intermediates.COMMON)/$(full_classes_compiled_jar_leaf)

full_classes_processed_jar := $(intermediates.COMMON)/classes-processed.jar

full_classes_desugar_jar := $(intermediates.COMMON)/classes-desugar.jar

jarjar_leaf := classes-jarjar.jar

full_classes_jarjar_jar := $(intermediates.COMMON)/$(jarjar_leaf)
@@ -446,18 +447,41 @@ $(full_classes_compiled_jar): \ 
javac-check : $(full_classes_compiled_jar)

javac-check-$(LOCAL_MODULE) : $(full_classes_compiled_jar)



ifdef LOCAL_JAR_PROCESSOR

# LOCAL_JAR_PROCESSOR_ARGS must be evaluated here to set up the rule-local

# PRIVATE_JAR_PROCESSOR_ARGS variable, but $< and $@ are not available yet.

# Set ${in} and ${out} so they can be referenced by LOCAL_JAR_PROCESSOR_ARGS

# using deferred evaluation (LOCAL_JAR_PROCESSOR_ARGS = instead of :=).

in := $(full_classes_compiled_jar)

out := $(full_classes_processed_jar).tmp

$(full_classes_processed_jar): PRIVATE_JAR_PROCESSOR_ARGS := $(LOCAL_JAR_PROCESSOR_ARGS)

$(full_classes_processed_jar): PRIVATE_JAR_PROCESSOR := $(HOST_OUT_JAVA_LIBRARIES)/$(LOCAL_JAR_PROCESSOR).jar

$(full_classes_processed_jar): PRIVATE_TMP_OUT := $(out)

in :=

out :=



$(full_classes_processed_jar): $(full_classes_compiled_jar) $(LOCAL_JAR_PROCESSOR)

	@echo Processing $@ with $(PRIVATE_JAR_PROCESSOR)

	$(hide) rm -f $@ $(PRIVATE_TMP_OUT)

	$(hide) java -jar $(PRIVATE_JAR_PROCESSOR) $(PRIVATE_JAR_PROCESSOR_ARGS)

	$(hide) mv $(PRIVATE_TMP_OUT) $@



else

full_classes_processed_jar := $(full_classes_compiled_jar)

endif



my_desugaring :=

ifndef LOCAL_JACK_ENABLED

ifndef LOCAL_IS_STATIC_JAVA_LIBRARY

my_desugaring := true

$(full_classes_desugar_jar): PRIVATE_DX_FLAGS := $(LOCAL_DX_FLAGS)

$(full_classes_desugar_jar): $(full_classes_compiled_jar) $(DESUGAR)

$(full_classes_desugar_jar): $(full_classes_processed_jar) $(DESUGAR)

	$(desugar-classes-jar)

endif

endif



ifndef my_desugaring

full_classes_desugar_jar := $(full_classes_compiled_jar)

full_classes_desugar_jar := $(full_classes_processed_jar)

endif



# Run jarjar if necessary