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NASGEN_SRC := $(TOPDIR)/make/nashorn/buildtools/nasgen/src
ASM_SRC := $(TOPDIR)/src/java.base/share/classes/jdk/internal/org/objectweb/asm

# Build nasgen
$(eval $(call SetupJavaCompilation, BUILD_NASGEN, \
    SETUP := GENERATE_OLDBYTECODE, \
    SRC := $(NASGEN_SRC) $(ASM_SRC), \
    BIN := $(BUILDTOOLS_OUTPUTDIR)/nasgen_classes, \
))

NASHORN_CLASSES_DIR := $(JDK_OUTPUTDIR)/modules/$(MODULE)
NASGEN_RUN_FILE := $(NASHORN_CLASSES_DIR)/_the.nasgen.run

NASGEN_OPTIONS := \
    -cp $(BUILDTOOLS_OUTPUTDIR)/nasgen_classes \
    --patch-module java.base=$(BUILDTOOLS_OUTPUTDIR)/nasgen_classes \
    --add-exports java.base/jdk.internal.org.objectweb.asm=ALL-UNNAMED \
    --add-exports java.base/jdk.internal.org.objectweb.asm.util=ALL-UNNAMED \
    #

# Run nasgen to modify classes in jdk.nashorn.internal.objects package
$(NASGEN_RUN_FILE): $(BUILD_NASGEN) $($(MODULE))
	$(ECHO) Running nasgen
	$(JAVA_SMALL) $(NASGEN_OPTIONS) \
	    jdk.nashorn.internal.tools.nasgen.Main $(@D) \
	    jdk.nashorn.internal.objects $(@D)
	$(TOUCH) $@

TARGETS += $(NASGEN_RUN_FILE)