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#!/bin/sh
# gfilt: Unix shell script driver for gcc / STL Error Decryptor
#
# Leor Zolman leor@bdsoft.com
# BD Software www.bdsoft.com
# Updated: 1/30/2008
#
# Installation: Place this file and gSTLFilt.pl somewhere in your PATH
# (Make sure Perl is also in your PATH)
#
# Usage: gfilt [mixture of compiler and Decryptor options] file(s)
#
# Purpose: Serve as a substitute for the g++ compiler driver, in-
# corporating STLFilt functionality transparently.
# Distinguishes compiler options/args from Decryptor options,
# makes sure all recognized Decryptor options are passed on
# the Decryptor script command line while other options/
# args are passed on the compiler command line.
# Filter all compiler output, and send results to stdout.
#
# (Note: stdout and stderr output streams from the compiler
# are combined by this process, so the two can no longer be
# individually redirected afterwards. If this is an issue
# for anyone, please let me know.)
#
# Exit status: The status code returned by the compiler
#
# Contents of the environment variable GFILTOPTS are passed as
# options to the STLFILT script (see the setting of DOPTS below.)
#
# 01/30/08 - Gets gSTLFilt.pl from same dir as this script
# Expanded the usage message a bit
# 06/29/05 - added more explanatory comments, fixed COPTS handling
# 02/16/05 - fixed multi-line case statement to work for freeBSD
# 12/17/04 - Added recognition of several script options that
# were missing from the case: with, meta, nullarg
# Added more comments.
# 02/21/03 - Exit status is now status of compilation
#
# Note: If packaged in a ZIP file, this file uses CR-LF line termination.
# If packaged in a .tar file, it'll have Unix-style termination.
#########################################################################
# Configuration section:
COMPILER=c++ # Your g++ compiler command
STLFILT="`dirname $0`/gSTLFilt.pl" # Assumes gSTLFilt.pl is in same dir as gfilt
# default options to Decryptor script:
DOPTS="/hdr:m /cand:s /iter:L ${GFILTOPTS:-}"
PAGER=less # pager of choice, or leave blank for no paging
COPTS= # compiler options
# End of configuration section
#########################################################################
if $COMPILER --version | grep " 3\." >/dev/null # if gcc 3.x...
then
COPTS="-fmessage-length=0 $COPTS" # ...this option is needed.
fi
if [ $# -eq 0 ]; then
echo "gfilt: wrapper for gcc/c++ compiler with STL Error Decryptor"
echo "usage: $0 [all-options] [compiler-arguments]"
echo " [NOTE: compiler and decryptor options may be mixed]"
exit 0
fi
GCC_ARGS=
DECRYPTOR_ARGS=
for arg
do
case $arg in
[-/]iter:* | [-/]cand:* | [/-]hdr:* | \
[-/]with:* | [-/]path:* | [/-]showback:* | \
[/-]width:* | [-/]lognative | [-/]banner:* | [-/]nullarg:* | \
[-/]break:* | [-/]cbreak:* | [-/]closewrap:* | [-/]meta | [-/]meta:*)
DECRYPTOR_ARGS="$DECRYPTOR_ARGS $arg";;
*)
GCC_ARGS="$GCC_ARGS $arg";;
esac
done
#
# Note that there are several options the Perl script accepts.
# see the comments at the top of gSTLFilt.pl for details.
#
TMPFILE=/tmp/gfilt$$.tmp
touch $TMPFILE
trap "rm $TMPFILE; exit 1" 1 2 3 15
$COMPILER $COPTS $GCC_ARGS >$TMPFILE 2>&1
STATUS=$?
if [ "$PAGER" != "" ]; then
perl $STLFILT $DOPTS $DECRYPTOR_ARGS < $TMPFILE | $PAGER
else
perl $STLFILT $DOPTS $DECRYPTOR_ARGS < $TMPFILE
fi
rm $TMPFILE
exit $STATUS