# Copyright 2012-2022, Alexander Shibakov
# This file is part of SPLinT
#
# SPLinT is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# SPLinT is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with SPLinT.  If not, see <http://www.gnu.org/licenses/>.

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

include ../../makefile.inc
include ${SPLINT_ROOT}makefile.loc

# 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} ${BISON_STATE} -DPARSER_FILE=\"../examples/expression/$(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 ${SPLINT_XTABLES} etoks.sty
		@${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