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QUIETLY$(MX_VERBOSE) = @

# during clean, this isn't set
PARSER_PATH ?= ../com.oracle.graal.python/src/com/oracle/graal/python/parser/antlr

TARGETS=${PARSER_PATH}/Python3Parser.java \
	${PARSER_PATH}/Python3Lexer.java

SOURCE=${PARSER_PATH}/Python3.g4
STAMP=${SOURCE}.stamp

.PHONY: default clean
default: ${TARGETS}
	

${STAMP}: ${SOURCE} ${POSTPROCESSOR}
	$(QUIETLY) touch $@
	$(QUIETLY) ${JAVA_HOME}/bin/java -cp ${ANTLR_JAR} org.antlr.v4.Tool -no-listener -no-visitor -package ${PARSER_PKG} -o ${PARSER_PATH} ${SOURCE}

# postprocessing to make source compile without warnings
${PARSER_PATH}/%.java: ${STAMP}
	python3 ${POSTPROCESSOR} $@

clean:
ifeq ($(wildcard ${SOURCE}),)
	$(error ${SOURCE} is not in the location I expected it to be, not cleaning antlr parser)
endif
	$(QUIETLY) rm -f ${TARGETS}
	$(QUIETLY) rm -f ${STAMP}
	$(QUIETLY) rm -f ${PARSER_PATH}/Python3.tokens \
			${PARSER_PATH}/Python3Lexer.tokens \
			${PARSER_PATH}/Python3.interp \
			${PARSER_PATH}/Python3Lexer.interp
