LEXER := flex
YACC := bison
CC := gcc

YACC_FLAGS := -yd
LEXER_FLAGS := 

LANG_NAME := lang


ifneq ($(VERBOSE),true)
QUIET=@
else
QUIET=
endif

default: test

y.tab.c: $(LANG_NAME).yacc
	$(QUIET)echo "[$(YACC)] $@"
	$(QUIET)$(YACC) $(YACC_FLAGS) $<
	
lex.yy.c: $(LANG_NAME).lex
	$(QUIET)echo "[$(LEXER)] $@"
	$(QUIET)$(LEXER) $^

test: y.tab.c lex.yy.c
	$(QUIET)echo "[CC] $@"
	$(QUIET)$(CC) -o $@ $^
	
	

.PHONY: clean run

run: test
	./test

clean:
	$(QUIET)echo "Clean up..."
	$(QUIET)rm -f *.c *.o y.tab.h test