/*
* Copyright (c) 2011, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation. Oracle designates this
* particular file as subject to the "Classpath" exception as provided
* by Oracle in the LICENSE file that accompanied this code.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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*/
package com.apple.jobjc;
import com.apple.jobjc.Coder.PrimitivePointerCoder;
class FFIType{
private static native void makeFFIType(long ffi_type_buf, long elements_buf);
private static native int getFFITypeSizeof();
private static int FFI_TYPE_SIZEOF = getFFITypeSizeof();
final NativeBuffer ffi_type;
final NativeBuffer elements;
final Coder[] elementCoders;
public FFIType(final Coder... elementCoders){
final JObjCRuntime runtime = JObjCRuntime.inst();
this.elementCoders = elementCoders;
this.ffi_type = new NativeBuffer(FFI_TYPE_SIZEOF);
this.elements = new NativeBuffer(JObjCRuntime.PTR_LEN * (elementCoders.length + 1));
long elIterPtr = elements.bufferPtr;
for(Coder c : elementCoders){
PrimitivePointerCoder.INST.push(runtime, elIterPtr, c.getFFITypePtr());
elIterPtr += PrimitivePointerCoder.INST.sizeof();
}
PrimitivePointerCoder.INST.push(runtime, elIterPtr, 0);
makeFFIType(ffi_type.bufferPtr, elements.bufferPtr);
}
public long getPtr(){
return ffi_type.bufferPtr;
}
}