# 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

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