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#!/bin/sh
##
## Copyright by the Board of Trustees of the University of Illinois.
## All rights reserved.
##
## This file is part of HDF5. The full HDF5 copyright notice, including
## terms governing use, modification, and redistribution, is contained in
## the files COPYING and Copyright.html. COPYING can be found at the root
## of the source code distribution tree; Copyright.html can be found at the
## root level of an installed copy of the electronic HDF5 document set and
## is linked from the top-level documents page. It can also be found at
## http://hdf.ncsa.uiuc.edu/HDF5/doc/Copyright.html. If you do not have
## access to either file, you may request a copy from hdfhelp@ncsa.uiuc.edu.
##
# regenerate hl/src/H5LTanalyze.c
# HDF5 currently uses the following versions of the bison flex:
BISON_VERSION="bison (GNU Bison) 2.7"
FLEX_VERSION="flex 2.5.37"
# If paths to bison flex are not specified by the user, assume tools are
# running on jam in /mnt/hdf/packages and set paths accordingly.
if test -z ${BISON}; then
BISON=/usr/hdf/bin/bison
fi
if test -z ${FLEX}; then
FLEX=/usr/hdf/bin/flex
fi
# Check version numbers of all bison flex against the "correct" versions
BI_VERS=`${BISON} --version 2>&1 | grep "^${BISON_VERSION}"`
if test -z "${BI_VERS}"; then
echo "${BISON} version is not ${BISON_VERSION}"
exit 1
fi
FL_VERS=`${FLEX} --version 2>&1 | grep "^${FLEX_VERSION}"`
if test -z "${FL_VERS}"; then
echo "${FLEX} version is not ${FLEX_VERSION}"
exit 1
fi
# Make sure that the tools are in the path.
BISON_DIR=`dirname ${BISON}`
FLEX_DIR=`dirname ${FLEX}`
# Main body
cd hl/src
echo "Generate hl/src/H5LTparse.c from hl/src/H5LTparse.y"
bison -pH5LTyy -o H5LTparse.c -d H5LTparse.y
echo "Generate hl/src/H5LTanalyze.c from hl/src/H5LTanalyze.l"
flex --nounistd -PH5LTyy -oH5LTanalyze.c H5LTanalyze.l
# fix H5LTparse.c to declare H5LTyyparse return type as an hid_t
# instead of int. Currently the generated function H5LTyyparse is
# generated with a return value of type int, which is a mapping to the
# flex yyparse function. The return value in the HL library should be
# an hid_t.
# I propose to not use flex to generate this function, but for now I am
# adding a perl command to find and replace this function declaration in
# H5LTparse.c.
perl -0777 -pi -e 's/int\nyyparse/hid_t\nyyparse/igs' H5LTparse.c
perl -0777 -pi -e 's/int H5LTyyparse/hid_t H5LTyyparse/igs' H5LTparse.c
cd ../..
exit 0
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