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134 lines
2.6 KiB
C++
134 lines
2.6 KiB
C++
// cni.h -*- c++ -*-
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// This file describes the Cygnus Native Interface, CNI.
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// It provides a nicer interface to many of the things in javaprims.h.
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/* Copyright (C) 1998, 1999 Cygnus Solutions
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This file is part of libgcj.
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This software is copyrighted work licensed under the terms of the
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Libgcj License. Please consult the file "LIBGCJ_LICENSE" for
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details. */
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#ifndef __JAVA_CNI_H__
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#define __JAVA_CNI_H__
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#include <java/lang/Object.h>
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#include <java/lang/Class.h>
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#include <java-threads.h>
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#include <java-array.h>
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extern inline jobject
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JvAllocObject (jclass cls)
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{
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return _Jv_AllocObject (cls, cls->size());
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}
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extern inline jobject
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JvAllocObject (jclass cls, jsize sz)
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{
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return _Jv_AllocObject (cls, sz);
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}
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extern "C" jstring _Jv_NewStringUTF (const char *bytes);
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extern "C" void _Jv_InitClass (jclass);
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extern inline void
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JvInitClass (jclass cls)
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{
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return _Jv_InitClass (cls);
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}
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extern inline jstring
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JvAllocString (jsize sz)
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{
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return _Jv_AllocString (sz);
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}
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extern inline jstring
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JvNewString (const jchar *chars, jsize len)
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{
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return _Jv_NewString (chars, len);
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}
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extern inline jstring
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JvNewStringLatin1 (const char *bytes, jsize len)
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{
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return _Jv_NewStringLatin1 (bytes, len);
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}
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extern inline jstring
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JvNewStringLatin1 (const char *bytes)
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{
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return _Jv_NewStringLatin1 (bytes, strlen (bytes));
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}
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extern inline jchar *
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_Jv_GetStringChars (jstring str)
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{
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return (jchar*)((char*) str->data + str->boffset);
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}
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extern inline jchar*
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JvGetStringChars (jstring str)
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{
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return _Jv_GetStringChars (str);
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}
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extern inline jsize
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JvGetStringUTFLength (jstring string)
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{
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return _Jv_GetStringUTFLength (string);
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}
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extern inline jsize
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JvGetStringUTFRegion (jstring str, jsize start, jsize len, char *buf)
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{
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return _Jv_GetStringUTFRegion (str, start, len, buf);
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}
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extern inline jstring
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JvNewStringUTF (const char *bytes)
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{
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return _Jv_NewStringUTF (bytes);
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}
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extern class _Jv_PrimClass _Jv_byteClass, _Jv_shortClass, _Jv_intClass,
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_Jv_longClass, _Jv_booleanClass, _Jv_charClass, _Jv_floatClass,
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_Jv_doubleClass, _Jv_voidClass;
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#define JvPrimClass(TYPE) ((jclass) & _Jv_##TYPE##Class)
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class JvSynchronize
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{
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private:
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jobject obj;
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public:
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JvSynchronize (const jobject &o) : obj (o)
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{ _Jv_MonitorEnter (obj); }
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~JvSynchronize ()
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{ _Jv_MonitorExit (obj); }
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};
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// Throw some exception.
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extern void JvThrow (jobject obj) __attribute__ ((__noreturn__));
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extern inline void
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JvThrow (jobject obj)
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{
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_Jv_Throw ((void *) obj);
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}
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/* Call malloc, but throw exception if insufficient memory. */
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extern inline void *
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JvMalloc (jsize size)
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{
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return _Jv_Malloc (size);
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}
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extern inline void
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JvFree (void *ptr)
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{
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return _Jv_Free (ptr);
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}
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#endif /* __JAVA_CNI_H__ */
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