# $Id$

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

# The library implementing the JNI methods.  This name is also
# known to the generator for the JNI interface and used in the
# static initializer.
LIBNAME = libfirmjni.so

# The name of the package containing the Firm JNI
PACKAGENAME = firmjni

# where to put libfirmjni.so
libdir = @libdir@
# where to put the directory firmjni containing the generated
# .java and .class files
#javadir = @javadir@         @@@ how to specify a dir in configure.in?

.PHONY: default all clean realclean depend

SHELL_TOUPPER = awk '{for (i=1;i<(NF+1);i=i+1) {printf(toupper(substr($$i,1,1)) substr($$i,2)" ")}}'
SHELL_TOLOWER = awk '{for (i=1;i<(NF+1);i=i+1) {printf(tolower(substr($$i,1,1)) substr($$i,2)" ")}}'

OFILES  = $(MEMBERS:.m=.o)
HFILES  = $(MEMBERS:.m=.h)
JAVAFILES  = $(MEMBERS:.m=.java)
CLASSFILES = $(MEMBERS:.m=.class)

CPPFLAGS = 	-I$(top_srcdir)/ir/ir  -I$(top_srcdir)/ir/common  	\
		-I$(top_srcdir)/ir/ident -I$(top_srcdir)/ir/tr  	\
	        -I$(top_srcdir)/ir/tv -I$(top_srcdir)/ir/debug 		\
	        -I$(top_srcdir)/ir/ana -I$(top_srcdir)/ir/st @CPPFLAGS@ \
		-D_SIZE_T_

LDFLAGS += $(topdir)

FIRM_HEADERS=$(notdir $(FIRM_PATH_HEADERS))
MEMBERS=$(subst .h,.m,$(shell echo $(FIRM_HEADERS)|$(SHELL_TOUPPER)))

# How to pass function pointers? Therefore removed.
# irgwalk.h typewalk.h

# How to pass function pointers? Or how to obtain them?
#      Irgwalk.m Typewalk.m
#
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
FIRM_SOURCE_DIR_HEADERS=$(addprefix $(SOURCE_DIR)/,$(FIRM_HEADERS))

# 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

all: 	classfiles javafiles jni

classfiles: $(CLASSFILES)
javafiles: $(JAVAFILES)

%.class: %.java
	javac $<

# javah renames these files.  the jnibuilder doesn't anticipate this
# and generates #includes with the original names.
Firm_common.h: Firm_common.class
	ln -sf Firm_0005fcommon.h Firm_common.h
	javah -classpath $(topdir) -o $@ $(PACKAGENAME).$(<:.class=)

Type_or_entity.h: Type_or_entity.class
	ln -sf Type_0005for_0005fentity.h Type_or_entity.h
	javah -classpath $(topdir) -o $@ $(PACKAGENAME).$(<:.class=)

%.h:	%.class
	javah -classpath $(topdir) -o $@ $(PACKAGENAME).$(<:.class=)

%.o:	%.c %.h
	gcc $(CPPFLAGS) -c $< -o $@

$(OFILES):
	gcc $(CPPFLAGS) -c $(@:.o=.c) -o $@

jni:    $(HFILES) $(OFILES)  # ../libfirm.a
	gcc -shared -fPIC -o $(LIBNAME) *.o -lfirm -L..

install:
	cp libfirmjni.so $(libdir)
#	mkdir $(javadir)
#	cp *.java @javadir@
#	cp *.class @javadir@

clean:
	rm -rf sources *.c *.h *.o

realclean: clean
	rm -f *~ libfirmjni.so *.vcg *.java *.class


$(SOURCE_DIR):
	rm -rf $(SOURCE_DIR)
	mkdir $(SOURCE_DIR)

$(SOURCE_DIR)/firm_typedefs.h: $(FIRM_SOURCE_HEADERS)
	mv firm_typedefs.h $@

###############################################################################
# Get all the necessary Firm headers.
###############################################################################
# Remove C preprocessor commands.  Overwrite the header files.
# This part should be removed if crecoder integrates the preprocessor.

FIRM_SRC_HEADER=$(top_srcdir)/ir/$(filter %/$(notdir $@),$(FIRM_PATH_HEADERS))

$(FIRM_SOURCE_DIR_HEADERS): $(SOURCE_DIR)
	cp $(FIRM_SRC_HEADER) $(SOURCE_DIR)/$(notdir $@)
	perl $(REMOVE_CPP_COMMANDS) $@

# generiert leere dateien ;-(
#	troff -a -C -z  $(FIRM_SRC_HEADER) > $(SOURCE_DIR)/$(notdir $@)

$(FIRM_HEADERS):$(FIRM_SOURCE_DIR_HEADERS) $(SOURCE_DIR)/firm_typedefs.h
	gcc $(CPPFLAGS) -E -C -P $(SOURCE_DIR)/$@ -o $@

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


H_FROM_JAVA=$(subst .java,.h,$(shell echo $@|$(SHELL_TOLOWER)))

%.java: $(FIRM_HEADERS)
	env CLASSPATH=$(FIRM_JNI_TOOLS_DIR)/crecoder.jar:$$CLASSPATH java crecoder/tools/jniBuilder/BuildJNI $(H_FROM_JAVA);\