fostr/bin/fosgen

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#!/bin/bash
##### Convenience:
erro() { printf "%s\n" "$*" >&2; }
##### Set defaults:
SUPPRESS_ERR=YES
USE_NAILGUN=YES
LANGUAGE=Python
##### Extract command line options:
while [[ $1 = -* ]]
do
case $1 in
-h|--help)
echo
echo "Usage:"
echo " fosgen [-d] [-j] [-l LANGUAGE] FILE"
echo
echo "Writes to standard output the code generated from the fostr"
echo "program in FILE, targeting the specified LANGUAGE (which"
echo "defaults to Python)."
echo
echo "The -d option writes diagnostic output to standard error."
echo "The -j option uses the Spoofax Sunshine JAR directly, rather"
echo "than via nailgun."
exit
;;
-d)
SUPPRESS_ERR=''
;;
-j)
USE_NAILGUN=''
;;
-l)
shift
LANGUAGE="$1"
;;
esac
shift
done
##### Get positional arguments:
PROGRAM=$1
##### Corral resources:
BINDIR=$(dirname $BASH_SOURCE)
SUNJAR="$BINDIR/../lib/sunshine.jar"
PROJDIR="$BINDIR/.."
if [[ ! -f $SUNJAR ]]; then
erro "Please download the Spoofax Sunshine jar to the lib directory."
erro "Recommended command:"
erro " curl -o lib/sunshine.jar -L 'http://artifacts.metaborg.org/service/local/artifact/maven/redirect?r=snapshots&g=org.metaborg&a=org.metaborg.sunshine2&v=LATEST'"
exit 1
fi
if [[ ! $MVN_REPO ]]; then
MVN_REPO="$HOME/.m2/repository"
fi
if [[ ! -d $MVN_REPO ]]; then
MVN_REPO="/root/.m2/repository"
fi
if [[ ! -d $MVN_REPO ]]; then
erro "Cannot find your Maven repository. Please set environment variable"
erro "MVN_REPO to its full path and re-run."
exit 1
fi
##### Perform the code generation:
if [[ $SUPPRESS_ERR ]]
then
exec 2>/dev/null
fi
if [[ $USE_NAILGUN ]]
then
if [[ $SUPPRESS_ERR ]]
then
$BINDIR/let_sun_shine
else
$BINDIR/let_sun_shine noisy
fi
$BINDIR/ng sunshine transform -p $PROJDIR -n $LANGUAGE -i $PROGRAM
exit $?
fi
java -jar $SUNJAR transform -p $PROJDIR -l $PROJDIR -l $MVN_REPO -n $LANGUAGE -i $PROGRAM
exit $?