gcc/libjava/gcj/array.h
Tom Tromey ad86a903a2 prims.cc (_Jv_NewObjectArray): Use palcement new to create array.
* prims.cc (_Jv_NewObjectArray): Use palcement new to create
	array.
	(_Jv_NewPrimArray): Likewise.
	Include <new>.
	* gcj/array.h (__JArray): `length' field now const.  Added
	constructor.
	(class JArray): Added constructor.

From-SVN: r37718
2000-11-24 21:02:36 +00:00

136 lines
3.3 KiB
C++

// array.h - Header file for CNI arrays. -*- c++ -*-
/* Copyright (C) 1998, 1999, 2000 Free Software Foundation
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
{
protected:
// FIXME: this is a hack to work around a bug in the g++ Java
// support. If we add a constructor with a jsize argument to
// JArray<T>, then g++ complains.
__JArray () : length (0)
{
}
public:
const jsize length;
friend jsize JvGetArrayLength (__JArray*);
// This probably shouldn't be public.
__JArray (jsize l) : length (l)
{
}
};
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>
inline T* elements(JArray<T>& x) { return x.data; }
template<class T>
inline 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 class _Jv_PrimClass _Jv_byteClass, _Jv_shortClass, _Jv_intClass,
_Jv_longClass, _Jv_booleanClass, _Jv_charClass, _Jv_floatClass,
_Jv_doubleClass, _Jv_voidClass;
#define JvPrimClass(TYPE) ((jclass) & _Jv_##TYPE##Class)
extern "C" jobjectArray _Jv_NewObjectArray(jsize length, jclass, jobject init);
extern "C" jobject _Jv_NewPrimArray (jclass eltype, jint count);
extern inline jobjectArray
JvNewObjectArray (jsize length, jclass cls, jobject init)
{
return _Jv_NewObjectArray (length, cls, init);
}
extern inline jcharArray
JvNewCharArray (jint length)
{
return (jcharArray) _Jv_NewPrimArray (JvPrimClass (char), length);
}
extern inline jbooleanArray
JvNewBooleanArray (jint length)
{
return (jbooleanArray) _Jv_NewPrimArray (JvPrimClass (boolean), length);
}
extern inline jbyteArray
JvNewByteArray (jint length)
{
return (jbyteArray) _Jv_NewPrimArray (JvPrimClass (byte), length);
}
extern inline jshortArray
JvNewShortArray (jint length)
{
return (jshortArray) _Jv_NewPrimArray (JvPrimClass (short), length);
}
extern inline jintArray
JvNewIntArray (jint length)
{
return (jintArray) _Jv_NewPrimArray (JvPrimClass (int), length);
}
extern inline jlongArray
JvNewLongArray (jint length)
{
return (jlongArray) _Jv_NewPrimArray (JvPrimClass (long), length);
}
extern inline jfloatArray
JvNewFloatArray (jint length)
{
return (jfloatArray) _Jv_NewPrimArray (JvPrimClass (float), length);
}
extern inline jdoubleArray
JvNewDoubleArray (jint length)
{
return (jdoubleArray) _Jv_NewPrimArray (JvPrimClass (double), length);
}
extern "C" jstringArray JvConvertArgv(int argc, const char **argv);
inline jsize JvGetArrayLength (jarray array) { return array->length; }
#endif /* __GCJ_ARRAY_H__ */