gcc/libjava/include/cni.h

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1999-04-07 16:42:40 +02:00
// cni.h -*- c++ -*-
// This file describes the Cygnus Native Interface, CNI.
// It provides a nicer interface to many of the things in javaprims.h.
/* Copyright (C) 1998, 1999 Cygnus Solutions
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 __JAVA_CNI_H__
#define __JAVA_CNI_H__
#include <java/lang/Object.h>
#include <java/lang/Class.h>
#include <java-threads.h>
#include <java-array.h>
extern inline jobject
JvAllocObject (jclass cls)
{
return _Jv_AllocObject (cls, cls->size());
}
extern inline jobject
JvAllocObject (jclass cls, jsize sz)
{
return _Jv_AllocObject (cls, sz);
}
extern "C" jstring _Jv_NewStringUTF (const char *bytes);
extern "C" void _Jv_InitClass (jclass);
extern inline void
JvInitClass (jclass cls)
{
return _Jv_InitClass (cls);
}
extern inline jstring
JvAllocString (jsize sz)
{
return _Jv_AllocString (sz);
}
extern inline jstring
JvNewString (const jchar *chars, jsize len)
{
return _Jv_NewString (chars, len);
}
extern inline jstring
JvNewStringLatin1 (const char *bytes, jsize len)
{
return _Jv_NewStringLatin1 (bytes, len);
}
extern inline jstring
JvNewStringLatin1 (const char *bytes)
{
return _Jv_NewStringLatin1 (bytes, strlen (bytes));
}
extern inline jchar *
_Jv_GetStringChars (jstring str)
{
return (jchar*)((char*) str->data + str->boffset);
}
extern inline jchar*
JvGetStringChars (jstring str)
{
return _Jv_GetStringChars (str);
}
extern inline jsize
JvGetStringUTFLength (jstring string)
{
return _Jv_GetStringUTFLength (string);
}
extern inline jsize
JvGetStringUTFRegion (jstring str, jsize start, jsize len, char *buf)
{
return _Jv_GetStringUTFRegion (str, start, len, buf);
}
extern inline jstring
JvNewStringUTF (const char *bytes)
{
return _Jv_NewStringUTF (bytes);
}
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)
class JvSynchronize
{
private:
jobject obj;
public:
JvSynchronize (const jobject &o) : obj (o)
{ _Jv_MonitorEnter (obj); }
~JvSynchronize ()
{ _Jv_MonitorExit (obj); }
};
// Throw some exception.
extern void JvThrow (jobject obj) __attribute__ ((__noreturn__));
extern inline void
JvThrow (jobject obj)
{
_Jv_Throw ((void *) obj);
}
/* Call malloc, but throw exception if insufficient memory. */
extern inline void *
JvMalloc (jsize size)
{
return _Jv_Malloc (size);
}
extern inline void
JvFree (void *ptr)
{
return _Jv_Free (ptr);
}
#endif /* __JAVA_CNI_H__ */