all: grammars

.PHONY: grammars
grammars: grammars/__init__.py
grammars/__init__.py: *.g4 antlr4.jar
	java -cp "${PWD}/antlr4.jar"  org.antlr.v4.Tool -Dlanguage=Python3 $< -no-listener -visitor -o grammars
	touch grammars/__init__.py

antlr4.jar:
	rm -f *.jar
	wget https://www.antlr.org/download/antlr-4.10.1-complete.jar
	mv *.jar antlr4.jar

.PHONY: clean
clean:
	rm -rf grammars

tests/%.correct: tests/%.in hmknf.py
	cat $< > $@
	echo "-------------------" >> $@
	python3 hmknf.py < $< >> $@

TESTS=$(shell ls tests/*.in | xargs -I{} /usr/bin/basename {} .in | xargs -I{} printf "tests/%s.correct\n" {})

.PHONY: test
test: ${TESTS}