| 1 | // natField.cc - Implementation of java.lang.reflect.Field native methods.
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| 2 |
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| 3 | /* Copyright (C) 1999, 2000, 2001 Free Software Foundation
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| 4 |
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| 5 | This file is part of libgcj.
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| 6 |
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| 7 | This software is copyrighted work licensed under the terms of the
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| 8 | Libgcj License. Please consult the file "LIBGCJ_LICENSE" for
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| 9 | details. */
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| 10 |
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| 11 | #include <config.h>
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| 12 |
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| 13 | #include <stdlib.h>
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| 14 |
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| 15 | #include <jvm.h>
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| 16 | #include <gcj/cni.h>
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| 17 | #include <java/lang/reflect/Array.h>
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| 18 | #include <java/lang/IllegalArgumentException.h>
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| 19 | #include <java/lang/Byte.h>
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| 20 | #include <java/lang/Short.h>
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| 21 | #include <java/lang/Integer.h>
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| 22 | #include <java/lang/Long.h>
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| 23 | #include <java/lang/Float.h>
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| 24 | #include <java/lang/Double.h>
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| 25 | #include <java/lang/Boolean.h>
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| 26 | #include <java/lang/Character.h>
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| 27 |
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| 28 | jobject
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| 29 | java::lang::reflect::Array::newInstance (jclass componentType, jint length)
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| 30 | {
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| 31 | if (componentType->isPrimitive())
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| 32 | {
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| 33 | // We could check for this in _Jv_NewPrimArray, but that seems
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| 34 | // like needless overhead when the only real route to this
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| 35 | // problem is here.
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| 36 | if (componentType == JvPrimClass (void))
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| 37 | throw new java::lang::IllegalArgumentException ();
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| 38 | return _Jv_NewPrimArray (componentType, length);
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| 39 | }
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| 40 | else
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| 41 | return JvNewObjectArray (length, componentType, NULL);
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| 42 |
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| 43 | }
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| 44 |
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| 45 | jobject
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| 46 | java::lang::reflect::Array::newInstance (jclass componentType,
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| 47 | jintArray dimensions)
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| 48 | {
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| 49 | jint ndims = dimensions->length;
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| 50 | if (ndims == 0)
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| 51 | throw new java::lang::IllegalArgumentException ();
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| 52 | jint* dims = elements (dimensions);
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| 53 | if (ndims == 1)
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| 54 | return newInstance (componentType, dims[0]);
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| 55 | jclass arrayType = componentType;
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| 56 | for (int i = 0; i < ndims; i++) // FIXME 2nd arg should
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| 57 | // be "current" loader
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| 58 | arrayType = _Jv_GetArrayClass (arrayType, 0);
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| 59 |
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| 60 | return _Jv_NewMultiArray (arrayType, ndims, dims);
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| 61 | }
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| 62 |
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| 63 | jint
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| 64 | java::lang::reflect::Array::getLength (jobject array)
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| 65 | {
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| 66 | jclass arrayType = array->getClass();
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| 67 | if (! arrayType->isArray ())
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| 68 | throw new java::lang::IllegalArgumentException;
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| 69 | return ((__JArray*) array)->length;
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| 70 | }
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| 71 |
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| 72 | jclass
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| 73 | java::lang::reflect::Array::getElementType (jobject array, jint index)
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| 74 | {
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| 75 | jclass arrayType = array->getClass();
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| 76 | if (! arrayType->isArray ())
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| 77 | throw new java::lang::IllegalArgumentException;
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| 78 | jint length = ((__JArray*) array)->length;
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| 79 | if ((_Jv_uint) index >= (_Jv_uint) length)
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| 80 | _Jv_ThrowBadArrayIndex(index);
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| 81 | return arrayType->getComponentType ();
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| 82 | }
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| 83 |
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| 84 | jboolean
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| 85 | java::lang::reflect::Array::getBoolean (jobject array, jint index)
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| 86 | {
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| 87 | jclass elementType = getElementType (array, index);
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| 88 | if (elementType == JvPrimClass (boolean))
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| 89 | return elements ((jbooleanArray) array) [index];
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| 90 | throw new java::lang::IllegalArgumentException;
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| 91 | }
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| 92 |
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| 93 | jchar
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| 94 | java::lang::reflect::Array::getChar (jobject array, jint index)
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| 95 | {
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| 96 | jclass elementType = getElementType (array, index);
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| 97 | if (elementType == JvPrimClass (char))
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| 98 | return elements ((jcharArray) array) [index];
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| 99 | throw new java::lang::IllegalArgumentException;
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| 100 | }
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| 101 |
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| 102 | jbyte
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| 103 | java::lang::reflect::Array::getByte (jobject array, jint index)
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| 104 | {
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| 105 | jclass elementType = getElementType (array, index);
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| 106 | if (elementType == JvPrimClass (byte))
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| 107 | return elements ((jbyteArray) array) [index];
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| 108 | throw new java::lang::IllegalArgumentException;
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| 109 | }
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| 110 |
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| 111 | jshort
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| 112 | java::lang::reflect::Array::getShort (jobject array, jint index)
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| 113 | {
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| 114 | jclass elementType = getElementType (array, index);
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| 115 | if (elementType == JvPrimClass (short))
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| 116 | return elements ((jshortArray) array) [index];
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| 117 | if (elementType == JvPrimClass (byte))
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| 118 | return elements ((jbyteArray) array) [index];
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| 119 | throw new java::lang::IllegalArgumentException;
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| 120 | }
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| 121 |
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| 122 | jint
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| 123 | java::lang::reflect::Array::getInt (jobject array, jint index)
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| 124 | {
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| 125 | jclass elementType = getElementType (array, index);
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| 126 | if (elementType == JvPrimClass (int))
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| 127 | return elements ((jintArray) array) [index];
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| 128 | if (elementType == JvPrimClass (short))
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| 129 | return elements ((jshortArray) array) [index];
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| 130 | if (elementType == JvPrimClass (byte))
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| 131 | return elements ((jbyteArray) array) [index];
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| 132 | if (elementType == JvPrimClass (char))
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| 133 | return elements ((jcharArray) array) [index];
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| 134 | throw new java::lang::IllegalArgumentException;
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| 135 | }
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| 136 |
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| 137 | jlong
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| 138 | java::lang::reflect::Array::getLong (jobject array, jint index)
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| 139 | {
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| 140 | jclass elementType = getElementType (array, index);
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| 141 | if (elementType == JvPrimClass (long))
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| 142 | return elements ((jlongArray) array) [index];
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| 143 | if (elementType == JvPrimClass (int))
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| 144 | return elements ((jintArray) array) [index];
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| 145 | if (elementType == JvPrimClass (short))
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| 146 | return elements ((jshortArray) array) [index];
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| 147 | if (elementType == JvPrimClass (byte))
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| 148 | return elements ((jbyteArray) array) [index];
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| 149 | if (elementType == JvPrimClass (char))
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| 150 | return elements ((jcharArray) array) [index];
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| 151 | throw new java::lang::IllegalArgumentException;
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| 152 | }
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| 153 |
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| 154 | jfloat
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| 155 | java::lang::reflect::Array::getFloat (jobject array, jint index)
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| 156 | {
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| 157 | jclass elementType = getElementType (array, index);
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| 158 | if (elementType == JvPrimClass (float))
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| 159 | return elements ((jfloatArray) array) [index];
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| 160 | if (elementType == JvPrimClass (long))
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| 161 | return elements ((jlongArray) array) [index];
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| 162 | if (elementType == JvPrimClass (int))
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| 163 | return elements ((jintArray) array) [index];
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| 164 | if (elementType == JvPrimClass (short))
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| 165 | return elements ((jshortArray) array) [index];
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| 166 | if (elementType == JvPrimClass (byte))
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| 167 | return elements ((jbyteArray) array) [index];
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| 168 | if (elementType == JvPrimClass (char))
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| 169 | return elements ((jcharArray) array) [index];
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| 170 | throw new java::lang::IllegalArgumentException;
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| 171 | }
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| 172 |
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| 173 | jdouble
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| 174 | java::lang::reflect::Array::getDouble (jobject array, jint index)
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| 175 | {
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| 176 | jclass elementType = getElementType (array, index);
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| 177 | if (elementType == JvPrimClass (double))
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| 178 | return elements ((jdoubleArray) array) [index];
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| 179 | if (elementType == JvPrimClass (float))
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| 180 | return elements ((jfloatArray) array) [index];
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| 181 | if (elementType == JvPrimClass (long))
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| 182 | return elements ((jlongArray) array) [index];
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| 183 | if (elementType == JvPrimClass (int))
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| 184 | return elements ((jintArray) array) [index];
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| 185 | if (elementType == JvPrimClass (short))
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| 186 | return elements ((jshortArray) array) [index];
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| 187 | if (elementType == JvPrimClass (byte))
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| 188 | return elements ((jbyteArray) array) [index];
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| 189 | if (elementType == JvPrimClass (char))
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| 190 | return elements ((jcharArray) array) [index];
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| 191 | throw new java::lang::IllegalArgumentException;
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| 192 | }
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| 193 |
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| 194 | jobject
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| 195 | java::lang::reflect::Array::get (jobject array, jint index)
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| 196 | {
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| 197 | jclass elementType = getElementType (array, index);
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| 198 | if (! elementType->isPrimitive ())
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| 199 | return elements ((jobjectArray) array) [index];
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| 200 | if (elementType == JvPrimClass (double))
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| 201 | return new java::lang::Double (elements ((jdoubleArray) array) [index]);
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| 202 | if (elementType == JvPrimClass (float))
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| 203 | return new java::lang::Float (elements ((jfloatArray) array) [index]);
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| 204 | if (elementType == JvPrimClass (long))
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| 205 | return new java::lang::Long (elements ((jlongArray) array) [index]);
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| 206 | if (elementType == JvPrimClass (int))
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| 207 | return new java::lang::Integer (elements ((jintArray) array) [index]);
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| 208 | if (elementType == JvPrimClass (short))
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| 209 | return new java::lang::Short (elements ((jshortArray) array) [index]);
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| 210 | if (elementType == JvPrimClass (byte))
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| 211 | return new java::lang::Byte (elements ((jbyteArray) array) [index]);
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| 212 | if (elementType == JvPrimClass (char))
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| 213 | return new java::lang::Character (elements ((jcharArray) array) [index]);
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| 214 | if (elementType == JvPrimClass (boolean))
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| 215 | {
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| 216 | _Jv_InitClass (&java::lang::Boolean::class$);
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| 217 | if (elements ((jbooleanArray) array) [index])
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| 218 | return java::lang::Boolean::TRUE;
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| 219 | else
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| 220 | return java::lang::Boolean::FALSE;
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| 221 | }
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| 222 | throw new java::lang::IllegalArgumentException;
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| 223 | }
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| 224 |
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| 225 | void
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| 226 | java::lang::reflect::Array::setChar (jobject array, jint index, jchar value)
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| 227 | {
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| 228 | jclass elementType = getElementType (array, index);
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| 229 | if (elementType == JvPrimClass (char))
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| 230 | elements ((jcharArray) array) [index] = value;
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| 231 | else if (elementType == JvPrimClass (int))
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| 232 | elements ((jintArray) array) [index] = value;
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| 233 | else if (elementType == JvPrimClass (long))
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| 234 | elements ((jlongArray) array) [index] = value;
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| 235 | else if (elementType == JvPrimClass (float))
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| 236 | elements ((jfloatArray) array) [index] = value;
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| 237 | else if (elementType == JvPrimClass (double))
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| 238 | elements ((jdoubleArray) array) [index] = value;
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| 239 | else
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| 240 | throw new java::lang::IllegalArgumentException;
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| 241 | }
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| 242 |
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| 243 | void
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| 244 | java::lang::reflect::Array::setByte (jobject array, jint index, jbyte value)
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| 245 | {
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| 246 | jclass elementType = getElementType (array, index);
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| 247 | if (elementType == JvPrimClass (byte))
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| 248 | elements ((jbyteArray) array) [index] = value;
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| 249 | else if (elementType == JvPrimClass (short))
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| 250 | elements ((jshortArray) array) [index] = value;
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| 251 | else if (elementType == JvPrimClass (int))
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| 252 | elements ((jintArray) array) [index] = value;
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| 253 | else if (elementType == JvPrimClass (long))
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| 254 | elements ((jlongArray) array) [index] = value;
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| 255 | else if (elementType == JvPrimClass (float))
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| 256 | elements ((jfloatArray) array) [index] = value;
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| 257 | else if (elementType == JvPrimClass (double))
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| 258 | elements ((jdoubleArray) array) [index] = value;
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| 259 | else
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| 260 | throw new java::lang::IllegalArgumentException;
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| 261 | }
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| 262 |
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| 263 | void
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| 264 | java::lang::reflect::Array::setShort (jobject array, jint index, jshort value)
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| 265 | {
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| 266 | jclass elementType = getElementType (array, index);
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| 267 | if (elementType == JvPrimClass (short))
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| 268 | elements ((jshortArray) array) [index] = value;
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| 269 | else if (elementType == JvPrimClass (int))
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| 270 | elements ((jintArray) array) [index] = value;
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| 271 | else if (elementType == JvPrimClass (long))
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| 272 | elements ((jlongArray) array) [index] = value;
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| 273 | else if (elementType == JvPrimClass (float))
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| 274 | elements ((jfloatArray) array) [index] = value;
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| 275 | else if (elementType == JvPrimClass (double))
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| 276 | elements ((jdoubleArray) array) [index] = value;
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| 277 | else
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| 278 | throw new java::lang::IllegalArgumentException;
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| 279 | }
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| 280 |
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| 281 | void
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| 282 | java::lang::reflect::Array::setInt (jobject array, jint index, jint value)
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| 283 | {
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| 284 | jclass elementType = getElementType (array, index);
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| 285 | if (elementType == JvPrimClass (int))
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| 286 | elements ((jintArray) array) [index] = value;
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| 287 | else if (elementType == JvPrimClass (long))
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| 288 | elements ((jlongArray) array) [index] = value;
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| 289 | else if (elementType == JvPrimClass (float))
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| 290 | elements ((jfloatArray) array) [index] = value;
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| 291 | else if (elementType == JvPrimClass (double))
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| 292 | elements ((jdoubleArray) array) [index] = value;
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| 293 | else
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| 294 | throw new java::lang::IllegalArgumentException;
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| 295 | }
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| 296 |
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| 297 | void
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| 298 | java::lang::reflect::Array::setLong (jobject array, jint index, jlong value)
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| 299 | {
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| 300 | jclass elementType = getElementType (array, index);
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| 301 | if (elementType == JvPrimClass (long))
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| 302 | elements ((jlongArray) array) [index] = value;
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| 303 | else if (elementType == JvPrimClass (float))
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| 304 | elements ((jfloatArray) array) [index] = value;
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| 305 | else if (elementType == JvPrimClass (double))
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| 306 | elements ((jdoubleArray) array) [index] = value;
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| 307 | else
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| 308 | throw new java::lang::IllegalArgumentException;
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| 309 | }
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| 310 |
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| 311 | void
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| 312 | java::lang::reflect::Array::setFloat (jobject array, jint index, jfloat value)
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| 313 | {
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| 314 | jclass elementType = getElementType (array, index);
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| 315 | if (elementType == JvPrimClass (float))
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| 316 | elements ((jfloatArray) array) [index] = value;
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| 317 | else if (elementType == JvPrimClass (double))
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| 318 | elements ((jdoubleArray) array) [index] = value;
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| 319 | else
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| 320 | throw new java::lang::IllegalArgumentException;
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| 321 | }
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| 322 |
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| 323 | void
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| 324 | java::lang::reflect::Array::setDouble (jobject array, jint index, jdouble value)
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| 325 | {
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| 326 | jclass elementType = getElementType (array, index);
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| 327 | if (elementType == JvPrimClass (double))
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| 328 | elements ((jdoubleArray) array) [index] = value;
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| 329 | else
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| 330 | throw new java::lang::IllegalArgumentException;
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| 331 | }
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| 332 |
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| 333 | void
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| 334 | java::lang::reflect::Array::setBoolean (jobject array,
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| 335 | jint index, jboolean value)
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| 336 | {
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| 337 | jclass elementType = getElementType (array, index);
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| 338 | if (elementType == JvPrimClass (boolean))
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| 339 | elements ((jbooleanArray) array) [index] = value;
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| 340 | else
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| 341 | throw new java::lang::IllegalArgumentException;
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| 342 | }
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| 343 |
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| 344 | void
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| 345 | java::lang::reflect::Array::set (jobject array, jint index,
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| 346 | jobject value, jclass elType)
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| 347 | {
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| 348 | if (! _Jv_IsInstanceOf (value, elType))
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| 349 | throw new java::lang::IllegalArgumentException;
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| 350 | elements ((jobjectArray) array) [index] = value;
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| 351 | }
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