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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
This commit is contained in:
Colin Cross 2017-05-22 16:21:49 -07:00
parent 00e3bd93da
commit f8a49c5a37
2 changed files with 28 additions and 2 deletions
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2
core/clear_vars.mk
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@ -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:=

28
core/java.mk
View File

@ -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