# this Makefile uses a flat directory structure for demonstration
# purposes; the main directory (../..) contains a slightly more
# modular organization.

SPLINT_ROOT = $(shell pwd)/../..

include ${SPLINT_ROOT}/makefile.inc

# rules specific to this example

PARSER = expp
LEXER = expl

all:		expression.pdf ptab.tex ltab.tex

step1:		expp.y expl.l
step2:		ptabout ltabout
step3:		ltab.tex ptab.tex

ptabout:	${SPLINT_ROOT}/cweb/mkeparser.c ${PARSER}.c
		${CC} -DPARSER_FILE=\"../examples/expression/$(lastword $^)\" -DYYPARSE_PARAMETERS= -o $@ $<

ptab.tex:	ptabout
		$< --optimize-actions $@

ltabout:	${SPLINT_ROOT}/cweb/mkscanner.c ${LEXER}.c
		${CC} -DLEXER_FILE=\"../examples/expression/$(lastword $^)\" -o $@ $<

ltab.tex:	ltabout
		$< --optimize-actions $@

${LEXER}.c:	${LEXER}.l
		${FLEX} -o $@ $<

test.tex ${PARSER}.yy ${LEXER}.ll:	expression.x
					@${CTANGLE} $<
					${UNLINE} test.txx test.tex

expression.tex:	expression.x
		@${CWEAVE} $<

expression.pdf:	expression.tex ${SPLINT_XPTABLES} ${SPLINT_XLTABLES} ${SPLINT_ROOT}/cweb/bo.tok etoks.sty
		@${PDFTEX} $<

test:	test.tex ptab.tex ltab.tex
	tex test.tex

docs:	expression.pdf

mostlyclean:			clean_temp
				-rm -f ptabout ltabout expression.c *.txx

clean:	clean_core
	-rm -f ptabout ltabout *.txx

distclean:			clean
				cd ${SPLINT_ROOT} && ${MAKE} clean