#!/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:

top_srcdir=@top_srcdir@
srcdir=@srcdir@
topdir=..
subdir=firmjni

# This is the list of firm headers a JNI interface is generated for
# If you change this list, also change FRIM_PATH_HEADERS and the list
# in Makefile.in
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
	irgmod.h typegmod.h"
# How to pass function pointers? Therefore removed.
# irgwalk.h typewalk.h

FIRM_PATH_HEADERS="common/firm.h common/firm_common.h
        debug/dbginfo.h ident/ident.h tv/tv.h
	tr/type.h tr/entity.h tr/type_or_entity.h tr/tpop.h tr/mangle.h
	ir/irprog.h ir/irgraph.h ir/irnode.h ir/irmode.h ir/irop.h
	ir/ircons.h ir/ircgcons.h ir/irflag.h ir/irvrfy.h ir/irdump.h
        ir/iropt.h ir/irgopt.h ir/ircgopt.h
	ana/irouts.h ana/irdom.h ana/irloop.h ana/cgana.h
	ir/irgmod.h tr/typegmod.h"

# The directory containing crecoder.jar and, for now,
# remove_cpp_comands.perl
FIRM_JNI_TOOLS_DIR=$top_srcdir/tools

WORK_DIR=.

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

SOURCE_DIR=sources

REMOVE_CPP_COMMANDS=$FIRM_JNI_TOOLS_DIR/remove_cpp_comands.perl
CRECODER=$FIRM_JNI_TOOLS_DIR/crecoder.jar


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

rm -rf $SOURCE_DIR
mkdir $SOURCE_DIR

for file in $FIRM_PATH_HEADERS; do
    cp $top_srcdir/ir/$file $SOURCE_DIR
done;

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

rm -f $SOURCE_DIR/firm_typedefs.h
for file in $FIRM_HEADERS; do
    perl $REMOVE_CPP_COMMANDS $SOURCE_DIR/$file
done;
# the perl script dumps this file in the dir it is called from
mv firm_typedefs.h $SOURCE_DIR

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


###############################################################################
# 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.

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

# javah renames these files.  the jnibuilder doesn't anticipate this
# and generates #includes with the original names.
ln -s Firm_0005fcommon.h Firm_common.h
ln -s Type_0005for_0005fentity.h Type_or_entity.h

make