Daily bump.
[official-gcc.git] / libjava / gcj / array.h
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1 // array.h - Header file for CNI arrays. -*- c++ -*-
3 /* Copyright (C) 1998, 1999, 2000, 2001, 2002 Free Software Foundation
5 This file is part of libgcj.
7 This software is copyrighted work licensed under the terms of the
8 Libgcj License. Please consult the file "LIBGCJ_LICENSE" for
9 details. */
11 #ifndef __GCJ_ARRAY_H__
12 #define __GCJ_ARRAY_H__
14 #include <java/lang/Object.h>
16 extern "Java" {
18 class __JArray : public java::lang::Object
20 protected:
21 // This is just a hack to work around a warning emitted by the C++
22 // compiler. We initialize `length' evilly, but it doesn't know
23 // that.
24 __JArray () : length (0)
27 public:
28 const jsize length;
29 friend jsize JvGetArrayLength (__JArray*);
32 template<class T>
33 class JArray;
35 template<class T>
36 inline T* elements(JArray<T>& x);
37 template<class T>
38 inline T* elements(JArray<T>* x);
40 template<class T>
41 class JArray : public __JArray
43 T data[0];
44 public:
45 friend T* elements<>(JArray<T>& x);
46 friend T* elements<>(JArray<T>* x);
47 // T* getData() { return data; }
48 // T& operator[](jint i) { return data[i]; }
51 template<class T>
52 inline T* elements(JArray<T>& x) { return x.data; }
53 template<class T>
54 inline T* elements(JArray<T>* x) { return x->data; }
56 } // end extern "Java"
58 /* These typesdefs match those in JNI. */
59 typedef __JArray *jarray;
60 typedef JArray<jobject> *jobjectArray;
61 typedef JArray<jboolean> *jbooleanArray;
62 typedef JArray<jbyte> *jbyteArray;
63 typedef JArray<jchar> *jcharArray;
64 typedef JArray<jshort> *jshortArray;
65 typedef JArray<jint> *jintArray;
66 typedef JArray<jlong> *jlongArray;
67 typedef JArray<jfloat> *jfloatArray;
68 typedef JArray<jdouble> *jdoubleArray;
69 typedef JArray<jstring> *jstringArray;
71 extern java::lang::Class _Jv_byteClass, _Jv_shortClass, _Jv_intClass,
72 _Jv_longClass, _Jv_booleanClass, _Jv_charClass, _Jv_floatClass,
73 _Jv_doubleClass, _Jv_voidClass;
74 /* The definition of this macro cannot be enclosed in parentheses
75 because "JvPrimClass(x)" is used as a template argument. */
76 #define JvPrimClass(TYPE) & _Jv_##TYPE##Class
78 extern "C" jobjectArray _Jv_NewObjectArray(jsize length, jclass, jobject init);
79 extern "C" jobject _Jv_NewPrimArray (jclass eltype, jint count);
81 extern inline jobjectArray
82 JvNewObjectArray (jsize length, jclass cls, jobject init)
84 return _Jv_NewObjectArray (length, cls, init);
87 extern inline jcharArray
88 JvNewCharArray (jint length)
90 return (jcharArray) _Jv_NewPrimArray (JvPrimClass (char), length);
93 extern inline jbooleanArray
94 JvNewBooleanArray (jint length)
96 return (jbooleanArray) _Jv_NewPrimArray (JvPrimClass (boolean), length);
99 extern inline jbyteArray
100 JvNewByteArray (jint length)
102 return (jbyteArray) _Jv_NewPrimArray (JvPrimClass (byte), length);
105 extern inline jshortArray
106 JvNewShortArray (jint length)
108 return (jshortArray) _Jv_NewPrimArray (JvPrimClass (short), length);
111 extern inline jintArray
112 JvNewIntArray (jint length)
114 return (jintArray) _Jv_NewPrimArray (JvPrimClass (int), length);
117 extern inline jlongArray
118 JvNewLongArray (jint length)
120 return (jlongArray) _Jv_NewPrimArray (JvPrimClass (long), length);
123 extern inline jfloatArray
124 JvNewFloatArray (jint length)
126 return (jfloatArray) _Jv_NewPrimArray (JvPrimClass (float), length);
129 extern inline jdoubleArray
130 JvNewDoubleArray (jint length)
132 return (jdoubleArray) _Jv_NewPrimArray (JvPrimClass (double), length);
136 extern "C" jstringArray JvConvertArgv(int argc, const char **argv);
138 inline jsize JvGetArrayLength (jarray array) { return array->length; }
140 #endif /* __GCJ_ARRAY_H__ */