gcc/libjava/gcj/array.h

// array.h - Header file for CNI arrays.  -*- c++ -*-

/* Copyright (C) 1998, 1999  Red Hat, Inc.

   This file is part of libgcj.

This software is copyrighted work licensed under the terms of the
Libgcj License.  Please consult the file "LIBGCJ_LICENSE" for
details.  */

#ifndef __GCJ_ARRAY_H__
#define __GCJ_ARRAY_H__

#include <java/lang/Object.h>

extern "Java" {

class __JArray : public java::lang::Object
{
public:
  // FIXME: we'd like this to be `const' but that causes problems with
  // the C++ compiler.
  jsize length;
  friend jsize JvGetArrayLength (__JArray*);
};

template<class T>
class JArray : public __JArray
{
  T data[0];
public:
  friend T* elements<>(JArray<T>& x);
  friend T* elements<>(JArray<T>* x);
  // T* getData() { return data; }
  // T& operator[](jint i) { return data[i]; }
};

template<class T>
T* elements(JArray<T>& x) { return x.data; }
template<class T>
T* elements(JArray<T>* x) { return x->data; }

}; // end extern "Java"

/* These typesdefs match those in JNI. */
typedef __JArray *jarray;
typedef JArray<jobject> *jobjectArray;
typedef JArray<jboolean> *jbooleanArray;
typedef JArray<jbyte> *jbyteArray;
typedef JArray<jchar> *jcharArray;
typedef JArray<jshort> *jshortArray;
typedef JArray<jint> *jintArray;
typedef JArray<jlong> *jlongArray;
typedef JArray<jfloat> *jfloatArray;
typedef JArray<jdouble> *jdoubleArray;
typedef JArray<jstring> *jstringArray;

extern "C" jbooleanArray JvNewBooleanArray (jint length);
extern "C" jbyteArray JvNewByteArray (jint length);
extern "C" jcharArray JvNewCharArray (jint length);
extern "C" jshortArray JvNewShortArray (jint length);
extern "C" jintArray JvNewIntArray (jint length);
extern "C" jlongArray JvNewLongArray (jint length);
extern "C" jfloatArray JvNewFloatArray (jint length);
extern "C" jdoubleArray JvNewDoubleArray (jint length);
extern "C" jobjectArray _Jv_NewObjectArray(jsize length, jclass, jobject init);

inline jobjectArray JvNewObjectArray (jsize length, jclass cls, jobject init)
{ return _Jv_NewObjectArray (length, cls, init); }

extern "C" jstringArray JvConvertArgv(int argc, const char **argv);

inline jsize JvGetArrayLength (jarray array) { return array->length; }

#endif /* __GCJ_ARRAY_H__ */