#!/bin/sh

# Project:     FIRM
# File name:   script/build_firm_jni
# Purpose:     skript to build a java native interface for the public headers of firm.
# Author:      Goetz Lindenmaier
# Modified by:
# Created:     30.10.2002
# CVS-ID:      $Id$
# Copyright:   (c) 2002 Universität Karlsruhe
# Licence:


###############################################################################
# Set this variable to the directory which shall contain the JNI implementation
FIRM_JNI_DIR=/ben/goetz/proj/libfirm/firm-jni/

# Set these directories to point to a libfirm installation:

FIRM_INCLUDE_DIR=/ben/goetz/proj/libfirm/i686/include
FIRM_LIB_DIR=/ben/goetz/proj/libfirm/i686
FIRM_JNI_TOOLS_DIR=/ben/goetz/proj/libfirm/firm-jni/tools

# Set this directory to a directory with sufficient space.
WORK_DIR=/ben/goetz/proj/libfirm/firm-jni/tmp

# This is the list of firm headers a JNI interface is generated for
FIRM_HEADERS="firm.h firm_common.h dbginfo.h ident.h tv.h
	type.h entity.h type_or_entity.h tpop.h mangle.h
	irprog.h irgraph.h irnode.h irmode.h irop.h ircons.h ircgcons.h irflag.h irvrfy.h
	irdump.h iropt.h irgopt.h ircgopt.h
	irouts.h irdom.h irloop.h cgana.h
	irgwalk.h irgmod.h typewalk.h typegmod.h"

###############################################################################

CURRENT_DIR=$PWD
SOURCE_DIR=sources
PUREC_DIR=purec

MACHINE=`uname -m`
SYS_OS=`uname -s`
ARCH_DIR=$MACHINE-$SYS_OS

LOG_FILE=compile-log.txt

REMOVE_CPP_COMMANDS=$FIRM_JNI_TOOLS_DIR/remove_cpp_comands.perl

#
# shell initialization
#
source /afs/info.uni-karlsruhe.de/public/tools/Modules/init/sh

#
# flags
#
verbose=""

#
# set up directories
#
rm -rf $WORK_DIR
mkdir -p $WORK_DIR
cd $WORK_DIR

###############################################################################

analargs () {
  while [ $# -gt 0 ]; do
    case $1 in
      --verbose) verbose="y";;
      *)	 echo "Unknown option "$1;;
    esac
    shift
  done
}

analargs $*

###############################################################################


###############################################################################
# Get all the necessary Firm headers.
cd $WORK_DIR

mkdir $PUREC_DIR
mkdir $SOURCE_DIR

for file in $FIRM_HEADERS; do
    cp $FIRM_INCLUDE_DIR/$file $SOURCE_DIR
done;

cd $SOURCE_DIR


###############################################################################
# Remove C preprocessor commands.  Overwrite the header files.
# This part should be removed if crecoder integrates the preprocessor.

rm -f firm_typedefs.h
for file in $FIRM_HEADERS; do
    perl $REMOVE_CPP_COMMANDS $file
done;

for file in $FIRM_HEADERS; do
    gcc -E -C -P $file -o ../$PUREC_DIR/$file
done;

cd ../$PUREC_DIR


###############################################################################
# Call crecoder to construct from each header a .java file specifying the
# java native interface.  Further crecoder constructs an implementation of
# the java native interface in C calling the real libfirm functions.
# For a file "file.h" files "File.java" and "File.c" are generated.

module add jdk-1.3.1-sun
export CLASSPATH=$FIRM_JNI_TOOLS_DIR/crecoder.jar:$CLASSPATH
for file in $FIRM_HEADERS; do
   java crecoder/tools/jniBuilder/BuildJNI $file
done;

# Remove the C headers which are no more needed.  They contain
# nonsense no C compiler ever should see ;-)
rm -f $FIRM_HEADERS
# Make the JNI Implementation

export CPPFLAGS="-I. -I/usr/public2/java/jdk1.3-sun/include/ -I/usr/public2/java/jdk1.3-sun/include/linux/ -I$FIRM_INCLUDE_DIR"
export LDFLAGS="-L$FIRM_LIB_DIR"

make -f $FIRM_JNI_TOOLS_DIR/Makefile
mv libfirmjni.so $FIRM_JNI_DIR

#mv *.java *.class $FIRM_JNI_DIR