1 // natField.cc - Implementation of java.lang.reflect.Field native methods.
3 /* Copyright (C) 1998, 1999 Red Hat, Inc.
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
16 #include <java/lang/reflect/Field.h>
17 #include <java/lang/reflect/Modifier.h>
18 #include <java/lang/IllegalArgumentException.h>
19 #include <java/lang/NullPointerException.h>
20 #include <java/lang/Byte.h>
21 #include <java/lang/Short.h>
22 #include <java/lang/Integer.h>
23 #include <java/lang/Long.h>
24 #include <java/lang/Float.h>
25 #include <java/lang/Double.h>
26 #include <java/lang/Boolean.h>
27 #include <java/lang/Character.h>
30 java::lang::reflect::Field::getModifiers ()
32 return _Jv_FromReflectedField (this)->getModifiers ();
36 java::lang::reflect::Field::getName ()
39 name = _Jv_NewStringUtf8Const (_Jv_FromReflectedField (this)->name);
44 java::lang::reflect::Field::getType ()
46 jfieldID fld = _Jv_FromReflectedField (this);
47 if (! fld->isResolved())
49 JvSynchronize sync (declaringClass);
50 if (! fld->isResolved())
53 = _Jv_FindClassFromSignature(((Utf8Const*) (fld->type))->data,
54 declaringClass->getClassLoader());
55 fld->flags &= ~_Jv_FIELD_UNRESOLVED_FLAG;
62 _Jv_CheckFieldAccessibility (jfieldID /*fld*/, jclass /*caller*/)
69 _Jv_ushort flags = fld->getModifiers();
75 getAddr (java::lang::reflect::Field* field, jclass caller, jobject obj)
77 jfieldID fld = _Jv_FromReflectedField (field);
78 _Jv_ushort flags = fld->getModifiers();
79 if (! (flags & java::lang::reflect::Modifier::PUBLIC)
80 && ! field->isAccessible ())
81 _Jv_CheckFieldAccessibility (fld, caller);
82 if (flags & java::lang::reflect::Modifier::STATIC)
84 jclass fldClass = field->getDeclaringClass ();
85 JvInitClass(fldClass);
91 _Jv_Throw (new java::lang::NullPointerException ());
92 if (! _Jv_IsInstanceOf (obj, field->getDeclaringClass()))
93 JvThrow (new java::lang::IllegalArgumentException ());
94 return (void*) ((char*) obj + fld->getOffset ());
99 getBoolean (jclass cls, void* addr)
101 if (cls == JvPrimClass (boolean))
102 return * (jboolean *) addr;
103 _Jv_Throw (new java::lang::IllegalArgumentException());
107 getChar (jclass cls, void* addr)
109 if (cls == JvPrimClass (char))
110 return * (jchar *) addr;
111 _Jv_Throw (new java::lang::IllegalArgumentException());
115 getByte (jclass cls, void* addr)
117 if (cls == JvPrimClass (byte))
118 return * (jbyte *) addr;
119 _Jv_Throw (new java::lang::IllegalArgumentException());
123 getShort (jclass cls, void* addr)
125 if (cls == JvPrimClass (short))
126 return * (jshort *) addr;
127 if (cls == JvPrimClass (byte))
128 return * (jbyte *) addr;
129 _Jv_Throw (new java::lang::IllegalArgumentException());
133 getInt (jclass cls, void* addr)
135 if (cls == JvPrimClass (int))
136 return * (jint *) addr;
137 if (cls == JvPrimClass (short))
138 return * (jshort *) addr;
139 if (cls == JvPrimClass (char))
140 return * (jchar *) addr;
141 if (cls == JvPrimClass (byte))
142 return * (jbyte *) addr;
143 _Jv_Throw (new java::lang::IllegalArgumentException());
147 getLong (jclass cls, void* addr)
149 if (cls == JvPrimClass (long))
150 return * (jlong *) addr;
151 return ::getInt(cls, addr);
155 getFloat (jclass cls, void* addr)
157 if (cls == JvPrimClass (float))
158 return * (jfloat *) addr;
159 if (cls == JvPrimClass (long))
160 return * (jlong *) addr;
161 return ::getInt(cls, addr);
165 getDouble (jclass cls, void* addr)
167 if (cls == JvPrimClass (double))
168 return * (jdouble *) addr;
169 if (cls == JvPrimClass (float))
170 return * (jfloat *) addr;
171 if (cls == JvPrimClass (long))
172 return * (jlong *) addr;
173 return ::getInt(cls, addr);
177 java::lang::reflect::Field::getBoolean (jclass caller, jobject obj)
179 jfieldID fld = _Jv_FromReflectedField (this);
180 return ::getBoolean (fld->type, getAddr (this, caller, obj));
184 java::lang::reflect::Field::getChar (jclass caller, jobject obj)
186 jfieldID fld = _Jv_FromReflectedField (this);
187 return ::getChar (fld->type, getAddr (this, caller, obj));
191 java::lang::reflect::Field::getByte (jclass caller, jobject obj)
193 jfieldID fld = _Jv_FromReflectedField (this);
194 return ::getByte (fld->type, getAddr (this, caller, obj));
198 java::lang::reflect::Field::getShort (jclass caller, jobject obj)
200 jfieldID fld = _Jv_FromReflectedField (this);
201 return ::getShort (fld->type, getAddr (this, caller, obj));
205 java::lang::reflect::Field::getInt (jclass caller, jobject obj)
207 jfieldID fld = _Jv_FromReflectedField (this);
208 return ::getInt (fld->type, getAddr (this, caller, obj));
212 java::lang::reflect::Field::getLong (jclass caller, jobject obj)
214 jfieldID fld = _Jv_FromReflectedField (this);
215 return ::getLong (fld->type, getAddr (this, caller, obj));
219 java::lang::reflect::Field::getFloat (jclass caller, jobject obj)
221 jfieldID fld = _Jv_FromReflectedField (this);
222 return ::getFloat (fld->type, getAddr (this, caller, obj));
226 java::lang::reflect::Field::getDouble (jclass caller, jobject obj)
228 jfieldID fld = _Jv_FromReflectedField (this);
229 return ::getDouble (fld->type, getAddr (this, caller, obj));
233 java::lang::reflect::Field::get (jclass caller, jobject obj)
235 jfieldID fld = _Jv_FromReflectedField (this);
236 void* addr = getAddr (this, caller, obj);
237 if (! fld->type->isPrimitive ())
238 return * (jobject*) addr;
239 if (fld->type == JvPrimClass (double))
240 return new java::lang::Double (* (jdouble*) addr);
241 if (fld->type == JvPrimClass (float))
242 return new java::lang::Float (* (jfloat*) addr);
243 if (fld->type == JvPrimClass (long))
244 return new java::lang::Long (* (jlong*) addr);
245 if (fld->type == JvPrimClass (int))
246 return new java::lang::Integer (* (jint*) addr);
247 if (fld->type == JvPrimClass (short))
248 return new java::lang::Short (* (jshort*) addr);
249 if (fld->type == JvPrimClass (byte))
250 return new java::lang::Byte (* (jbyte*) addr);
251 if (fld->type == JvPrimClass (char))
252 return new java::lang::Character (* (jchar*) addr);
253 if (fld->type == JvPrimClass (boolean))
254 if (* (jboolean*) addr)
255 return java::lang::Boolean::TRUE;
257 return java::lang::Boolean::FALSE;
258 JvThrow (new java::lang::IllegalArgumentException());
262 setBoolean (jclass type, void *addr, jboolean value)
264 if (type == JvPrimClass (boolean))
265 * (jboolean *) addr = value;
267 JvThrow (new java::lang::IllegalArgumentException());
271 setChar (jclass type, void *addr, jchar value)
273 if (type == JvPrimClass (char))
274 * (jchar *) addr = value;
275 else if (type == JvPrimClass (int))
276 * (jint *) addr = value;
277 else if (type == JvPrimClass (long))
278 * (jlong *) addr = value;
279 else if (type == JvPrimClass (float))
280 * (jfloat *) addr = value;
281 else if (type == JvPrimClass (double))
282 * (jdouble *) addr = value;
284 JvThrow (new java::lang::IllegalArgumentException());
288 setByte (jclass type, void *addr, jbyte value)
290 if (type == JvPrimClass (byte))
291 * (jbyte *) addr = value;
292 else if (type == JvPrimClass (short))
293 * (jshort *) addr = value;
294 else if (type == JvPrimClass (int))
295 * (jint *) addr = value;
296 else if (type == JvPrimClass (long))
297 * (jlong *) addr = value;
298 else if (type == JvPrimClass (float))
299 * (jfloat *) addr = value;
300 else if (type == JvPrimClass (double))
301 * (jdouble *) addr = value;
303 JvThrow (new java::lang::IllegalArgumentException());
307 setShort (jclass type, void *addr, jshort value)
309 if (type == JvPrimClass (short))
310 * (jshort *) addr = value;
311 else if (type == JvPrimClass (int))
312 * (jint *) addr = value;
313 else if (type == JvPrimClass (long))
314 * (jlong *) addr = value;
315 else if (type == JvPrimClass (float))
316 * (jfloat *) addr = value;
317 else if (type == JvPrimClass (double))
318 * (jdouble *) addr = value;
320 JvThrow (new java::lang::IllegalArgumentException());
324 setInt (jclass type, void *addr, jint value)
326 if (type == JvPrimClass (int))
327 * (jint *) addr = value;
328 else if (type == JvPrimClass (long))
329 * (jlong *) addr = value;
330 else if (type == JvPrimClass (float))
331 * (jfloat *) addr = value;
332 else if (type == JvPrimClass (double))
333 * (jdouble *) addr = value;
335 JvThrow (new java::lang::IllegalArgumentException());
339 setLong (jclass type, void *addr, jlong value)
341 if (type == JvPrimClass (long))
342 * (jlong *) addr = value;
343 else if (type == JvPrimClass (float))
344 * (jfloat *) addr = value;
345 else if (type == JvPrimClass (double))
346 * (jdouble *) addr = value;
348 JvThrow (new java::lang::IllegalArgumentException());
352 setFloat (jclass type, void *addr, jfloat value)
354 if (type == JvPrimClass (float))
355 * (jfloat *) addr = value;
356 else if (type == JvPrimClass (double))
357 * (jdouble *) addr = value;
359 JvThrow (new java::lang::IllegalArgumentException());
363 setDouble (jclass type, void *addr, jdouble value)
365 if (type == JvPrimClass (double))
366 * (jdouble *) addr = value;
368 JvThrow (new java::lang::IllegalArgumentException());
372 java::lang::reflect::Field::setBoolean (jclass caller, jobject obj, jboolean b)
374 jfieldID fld = _Jv_FromReflectedField (this);
375 ::setBoolean (fld->type, getAddr (this, caller, obj), b);
379 java::lang::reflect::Field::setChar (jclass caller, jobject obj, jchar c)
381 jfieldID fld = _Jv_FromReflectedField (this);
382 ::setChar (fld->type, getAddr (this, caller, obj), c);
386 java::lang::reflect::Field::setByte (jclass caller, jobject obj, jbyte b)
388 jfieldID fld = _Jv_FromReflectedField (this);
389 ::setByte (fld->type, getAddr (this, caller, obj), b);
393 java::lang::reflect::Field::setShort (jclass caller, jobject obj, jshort s)
395 jfieldID fld = _Jv_FromReflectedField (this);
396 ::setShort (fld->type, getAddr (this, caller, obj), s);
400 java::lang::reflect::Field::setInt (jclass caller, jobject obj, jint i)
402 jfieldID fld = _Jv_FromReflectedField (this);
403 ::setInt (fld->type, getAddr (this, caller, obj), i);
407 java::lang::reflect::Field::setLong (jclass caller, jobject obj, jlong l)
409 jfieldID fld = _Jv_FromReflectedField (this);
410 ::setLong (fld->type, getAddr (this, caller, obj), l);
413 java::lang::reflect::Field::setFloat (jclass caller, jobject obj, jfloat f)
415 jfieldID fld = _Jv_FromReflectedField (this);
416 ::setFloat (fld->type, getAddr (this, caller, obj), f);
420 java::lang::reflect::Field::setDouble (jclass caller, jobject obj, jdouble d)
422 jfieldID fld = _Jv_FromReflectedField (this);
423 ::setDouble (fld->type, getAddr (this, caller, obj), d);
427 java::lang::reflect::Field::set (jclass caller, jobject object, jobject value, jclass type)
429 if (! _Jv_IsInstanceOf (value, type))
430 JvThrow (new java::lang::IllegalArgumentException ());
431 void* addr = getAddr (this, caller, object);
432 * (jobject*) addr = value;