src/native/vm/gnu/java_lang_VMClass.c

   1 /* src/native/vm/gnu/java_lang_VMClass.c
   2
   3    Copyright (C) 2006, 2007 R. Grafl, A. Krall, C. Kruegel, C. Oates,
   4    R. Obermaisser, M. Platter, M. Probst, S. Ring, E. Steiner,
   5    C. Thalinger, D. Thuernbeck, P. Tomsich, C. Ullrich, J. Wenninger,
   6    Institut f. Computersprachen - TU Wien
   7
   8    This file is part of CACAO.
   9
  10    This program is free software; you can redistribute it and/or
  11    modify it under the terms of the GNU General Public License as
  12    published by the Free Software Foundation; either version 2, or (at
  13    your option) any later version.
  14
  15    This program is distributed in the hope that it will be useful, but
  16    WITHOUT ANY WARRANTY; without even the implied warranty of
  17    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  18    General Public License for more details.
  19
  20    You should have received a copy of the GNU General Public License
  21    along with this program; if not, write to the Free Software
  22    Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
  23    02110-1301, USA.
  24
  25 */
  26
  27
  28 #include "config.h"
  29
  30 #include <stdint.h>
  31
  32 #include "vm/types.h"
  33
  34 #include "native/jni.h"
  35 #include "native/llni.h"
  36 #include "native/native.h"
  37
  38 #include "native/include/java_lang_Class.h"
  39 #include "native/include/java_lang_ClassLoader.h"
  40 #include "native/include/java_lang_Object.h"
  41 #include "native/include/java_lang_Throwable.h"
  42 #include "native/include/java_lang_reflect_Constructor.h"
  43 #include "native/include/java_lang_reflect_Method.h"
  44
  45 #include "native/include/java_lang_VMClass.h"
  46
  47 #include "native/vm/java_lang_Class.h"
  48
  49 #include "vm/exceptions.h"
  50 #include "vm/stringlocal.h"
  51
  52 #include "vmcore/class.h"
  53
  54
  55 /* native methods implemented by this file ************************************/
  56
  57 static JNINativeMethod methods[] = {
  58         { "isInstance",              "(Ljava/lang/Class;Ljava/lang/Object;)Z",                        (void *) (ptrint) &Java_java_lang_VMClass_isInstance              },
  59         { "isAssignableFrom",        "(Ljava/lang/Class;Ljava/lang/Class;)Z",                         (void *) (ptrint) &Java_java_lang_VMClass_isAssignableFrom        },
  60         { "isInterface",             "(Ljava/lang/Class;)Z",                                          (void *) (ptrint) &Java_java_lang_VMClass_isInterface             },
  61         { "isPrimitive",             "(Ljava/lang/Class;)Z",                                          (void *) (ptrint) &Java_java_lang_VMClass_isPrimitive             },
  62         { "getName",                 "(Ljava/lang/Class;)Ljava/lang/String;",                         (void *) (ptrint) &Java_java_lang_VMClass_getName                 },
  63         { "getSuperclass",           "(Ljava/lang/Class;)Ljava/lang/Class;",                          (void *) (ptrint) &Java_java_lang_VMClass_getSuperclass           },
  64         { "getInterfaces",           "(Ljava/lang/Class;)[Ljava/lang/Class;",                         (void *) (ptrint) &Java_java_lang_VMClass_getInterfaces           },
  65         { "getComponentType",        "(Ljava/lang/Class;)Ljava/lang/Class;",                          (void *) (ptrint) &Java_java_lang_VMClass_getComponentType        },
  66         { "getModifiers",            "(Ljava/lang/Class;Z)I",                                         (void *) (ptrint) &Java_java_lang_VMClass_getModifiers            },
  67         { "getDeclaringClass",       "(Ljava/lang/Class;)Ljava/lang/Class;",                          (void *) (ptrint) &Java_java_lang_VMClass_getDeclaringClass       },
  68         { "getDeclaredClasses",      "(Ljava/lang/Class;Z)[Ljava/lang/Class;",                        (void *) (ptrint) &Java_java_lang_VMClass_getDeclaredClasses      },
  69         { "getDeclaredFields",       "(Ljava/lang/Class;Z)[Ljava/lang/reflect/Field;",                (void *) (ptrint) &Java_java_lang_VMClass_getDeclaredFields       },
  70         { "getDeclaredMethods",      "(Ljava/lang/Class;Z)[Ljava/lang/reflect/Method;",               (void *) (ptrint) &Java_java_lang_VMClass_getDeclaredMethods      },
  71         { "getDeclaredConstructors", "(Ljava/lang/Class;Z)[Ljava/lang/reflect/Constructor;",          (void *) (ptrint) &Java_java_lang_VMClass_getDeclaredConstructors },
  72         { "getClassLoader",          "(Ljava/lang/Class;)Ljava/lang/ClassLoader;",                    (void *) (ptrint) &Java_java_lang_VMClass_getClassLoader          },
  73         { "forName",                 "(Ljava/lang/String;ZLjava/lang/ClassLoader;)Ljava/lang/Class;", (void *) (ptrint) &Java_java_lang_VMClass_forName                 },
  74         { "isArray",                 "(Ljava/lang/Class;)Z",                                          (void *) (ptrint) &Java_java_lang_VMClass_isArray                 },
  75         { "throwException",          "(Ljava/lang/Throwable;)V",                                      (void *) (ptrint) &Java_java_lang_VMClass_throwException          },
  76 #if defined(WITH_CLASSPATH_GNU) && defined(ENABLE_ANNOTATIONS)
  77         { "getDeclaredAnnotations",  "(Ljava/lang/Class;)[Ljava/lang/annotation/Annotation;",         (void *) (ptrint) &Java_java_lang_VMClass_getDeclaredAnnotations  },
  78 #endif
  79         { "getEnclosingClass",       "(Ljava/lang/Class;)Ljava/lang/Class;",                          (void *) (ptrint) &Java_java_lang_VMClass_getEnclosingClass       },
  80         { "getEnclosingConstructor", "(Ljava/lang/Class;)Ljava/lang/reflect/Constructor;",            (void *) (ptrint) &Java_java_lang_VMClass_getEnclosingConstructor },
  81         { "getEnclosingMethod",      "(Ljava/lang/Class;)Ljava/lang/reflect/Method;",                 (void *) (ptrint) &Java_java_lang_VMClass_getEnclosingMethod      },
  82         { "getClassSignature",       "(Ljava/lang/Class;)Ljava/lang/String;",                         (void *) (ptrint) &Java_java_lang_VMClass_getClassSignature       },
  83         { "isAnonymousClass",        "(Ljava/lang/Class;)Z",                                          (void *) (ptrint) &Java_java_lang_VMClass_isAnonymousClass        },
  84         { "isLocalClass",            "(Ljava/lang/Class;)Z",                                          (void *) (ptrint) &Java_java_lang_VMClass_isLocalClass            },
  85         { "isMemberClass",           "(Ljava/lang/Class;)Z",                                          (void *) (ptrint) &Java_java_lang_VMClass_isMemberClass           },
  86 };
  87
  88
  89 /* _Jv_java_lang_VMClass_init **************************************************
  90
  91    Register native functions.
  92
  93 *******************************************************************************/
  94
  95 void _Jv_java_lang_VMClass_init(void)
  96 {
  97         utf *u;
  98
  99         u = utf_new_char("java/lang/VMClass");
 100
 101         native_method_register(u, methods, NATIVE_METHODS_COUNT);
 102 }
 103
 104
 105 /*
 106  * Class:     java/lang/VMClass
 107  * Method:    isInstance
 108  * Signature: (Ljava/lang/Class;Ljava/lang/Object;)Z
 109  */
 110 JNIEXPORT s4 JNICALL Java_java_lang_VMClass_isInstance(JNIEnv *env, jclass clazz, java_lang_Class *klass, java_lang_Object *o)
 111 {
 112         return _Jv_java_lang_Class_isInstance(klass, o);
 113 }
 114
 115
 116 /*
 117  * Class:     java/lang/VMClass
 118  * Method:    isAssignableFrom
 119  * Signature: (Ljava/lang/Class;Ljava/lang/Class;)Z
 120  */
 121 JNIEXPORT s4 JNICALL Java_java_lang_VMClass_isAssignableFrom(JNIEnv *env, jclass clazz, java_lang_Class *klass, java_lang_Class *c)
 122 {
 123         return _Jv_java_lang_Class_isAssignableFrom(klass, c);
 124 }
 125
 126
 127 /*
 128  * Class:     java/lang/VMClass
 129  * Method:    isInterface
 130  * Signature: (Ljava/lang/Class;)Z
 131  */
 132 JNIEXPORT s4 JNICALL Java_java_lang_VMClass_isInterface(JNIEnv *env, jclass clazz, java_lang_Class *klass)
 133 {
 134         classinfo *c;
 135
 136         c = LLNI_classinfo_unwrap(klass);
 137
 138         return class_is_interface(c);
 139 }
 140
 141
 142 /*
 143  * Class:     java/lang/VMClass
 144  * Method:    isPrimitive
 145  * Signature: (Ljava/lang/Class;)Z
 146  */
 147 JNIEXPORT int32_t JNICALL Java_java_lang_VMClass_isPrimitive(JNIEnv *env, jclass clazz, java_lang_Class *klass)
 148 {
 149         classinfo *c;
 150
 151         c = LLNI_classinfo_unwrap(klass);
 152
 153         return class_is_primitive(c);
 154 }
 155
 156
 157 /*
 158  * Class:     java/lang/VMClass
 159  * Method:    getName
 160  * Signature: (Ljava/lang/Class;)Ljava/lang/String;
 161  */
 162 JNIEXPORT java_lang_String* JNICALL Java_java_lang_VMClass_getName(JNIEnv *env, jclass clazz, java_lang_Class *klass)
 163 {
 164         return _Jv_java_lang_Class_getName(klass);
 165 }
 166
 167
 168 /*
 169  * Class:     java/lang/VMClass
 170  * Method:    getSuperclass
 171  * Signature: (Ljava/lang/Class;)Ljava/lang/Class;
 172  */
 173 JNIEXPORT java_lang_Class* JNICALL Java_java_lang_VMClass_getSuperclass(JNIEnv *env, jclass clazz, java_lang_Class *klass)
 174 {
 175         classinfo *c;
 176         classinfo *super;
 177
 178         c = LLNI_classinfo_unwrap(klass);
 179
 180         super = class_get_superclass(c);
 181
 182         return LLNI_classinfo_wrap(super);
 183 }
 184
 185
 186 /*
 187  * Class:     java/lang/VMClass
 188  * Method:    getInterfaces
 189  * Signature: (Ljava/lang/Class;)[Ljava/lang/Class;
 190  */
 191 JNIEXPORT java_handle_objectarray_t* JNICALL Java_java_lang_VMClass_getInterfaces(JNIEnv *env, jclass clazz, java_lang_Class *klass)
 192 {
 193         classinfo                 *c;
 194         java_handle_objectarray_t *oa;
 195
 196         c = LLNI_classinfo_unwrap(klass);
 197
 198         oa = class_get_interfaces(c);
 199
 200         return oa;
 201 }
 202
 203
 204 /*
 205  * Class:     java/lang/VMClass
 206  * Method:    getComponentType
 207  * Signature: (Ljava/lang/Class;)Ljava/lang/Class;
 208  */
 209 JNIEXPORT java_lang_Class* JNICALL Java_java_lang_VMClass_getComponentType(JNIEnv *env, jclass clazz, java_lang_Class *klass)
 210 {
 211         classinfo *c;
 212         classinfo *component;
 213
 214         c = LLNI_classinfo_unwrap(klass);
 215
 216         component = class_get_componenttype(c);
 217
 218         return LLNI_classinfo_wrap(component);
 219 }
 220
 221
 222 /*
 223  * Class:     java/lang/VMClass
 224  * Method:    getModifiers
 225  * Signature: (Ljava/lang/Class;Z)I
 226  */
 227 JNIEXPORT int32_t JNICALL Java_java_lang_VMClass_getModifiers(JNIEnv *env, jclass clazz, java_lang_Class *klass, int32_t ignoreInnerClassesAttrib)
 228 {
 229         classinfo *c;
 230         int32_t    flags;
 231
 232         c = LLNI_classinfo_unwrap(klass);
 233
 234         flags = class_get_modifiers(c, ignoreInnerClassesAttrib);
 235
 236         return flags;
 237 }
 238
 239
 240 /*
 241  * Class:     java/lang/VMClass
 242  * Method:    getDeclaringClass
 243  * Signature: (Ljava/lang/Class;)Ljava/lang/Class;
 244  */
 245 JNIEXPORT java_lang_Class* JNICALL Java_java_lang_VMClass_getDeclaringClass(JNIEnv *env, jclass clazz, java_lang_Class *klass)
 246 {
 247         classinfo *c;
 248         classinfo *dc;
 249
 250         c = LLNI_classinfo_unwrap(klass);
 251
 252         dc = class_get_declaringclass(c);
 253
 254         return LLNI_classinfo_wrap(dc);
 255 }
 256
 257
 258 /*
 259  * Class:     java/lang/VMClass
 260  * Method:    getDeclaredClasses
 261  * Signature: (Ljava/lang/Class;Z)[Ljava/lang/Class;
 262  */
 263 JNIEXPORT java_handle_objectarray_t* JNICALL Java_java_lang_VMClass_getDeclaredClasses(JNIEnv *env, jclass clazz, java_lang_Class *klass, s4 publicOnly)
 264 {
 265         classinfo                 *c;
 266         java_handle_objectarray_t *oa;
 267
 268         c = LLNI_classinfo_unwrap(klass);
 269
 270         oa = class_get_declaredclasses(c, publicOnly);
 271
 272         return oa;
 273 }
 274
 275
 276 /*
 277  * Class:     java/lang/VMClass
 278  * Method:    getDeclaredFields
 279  * Signature: (Ljava/lang/Class;Z)[Ljava/lang/reflect/Field;
 280  */
 281 JNIEXPORT java_handle_objectarray_t* JNICALL Java_java_lang_VMClass_getDeclaredFields(JNIEnv *env, jclass clazz, java_lang_Class *klass, s4 publicOnly)
 282 {
 283         return _Jv_java_lang_Class_getDeclaredFields(klass, publicOnly);
 284 }
 285
 286
 287 /*
 288  * Class:     java/lang/VMClass
 289  * Method:    getDeclaredMethods
 290  * Signature: (Ljava/lang/Class;Z)[Ljava/lang/reflect/Method;
 291  */
 292 JNIEXPORT java_handle_objectarray_t* JNICALL Java_java_lang_VMClass_getDeclaredMethods(JNIEnv *env, jclass clazz, java_lang_Class *klass, s4 publicOnly)
 293 {
 294         return _Jv_java_lang_Class_getDeclaredMethods(klass, publicOnly);
 295 }
 296
 297
 298 /*
 299  * Class:     java/lang/VMClass
 300  * Method:    getDeclaredConstructors
 301  * Signature: (Ljava/lang/Class;Z)[Ljava/lang/reflect/Constructor;
 302  */
 303 JNIEXPORT java_handle_objectarray_t* JNICALL Java_java_lang_VMClass_getDeclaredConstructors(JNIEnv *env, jclass clazz, java_lang_Class *klass, s4 publicOnly)
 304 {
 305         return _Jv_java_lang_Class_getDeclaredConstructors(klass, publicOnly);
 306 }
 307
 308
 309 /*
 310  * Class:     java/lang/VMClass
 311  * Method:    getClassLoader
 312  * Signature: (Ljava/lang/Class;)Ljava/lang/ClassLoader;
 313  */
 314 JNIEXPORT java_lang_ClassLoader* JNICALL Java_java_lang_VMClass_getClassLoader(JNIEnv *env, jclass clazz, java_lang_Class *klass)
 315 {
 316         classinfo   *c;
 317         classloader *cl;
 318
 319         c  = LLNI_classinfo_unwrap(klass);
 320         cl = class_get_classloader(c);
 321
 322         return (java_lang_ClassLoader *) cl;
 323 }
 324
 325
 326 /*
 327  * Class:     java/lang/VMClass
 328  * Method:    forName
 329  * Signature: (Ljava/lang/String;ZLjava/lang/ClassLoader;)Ljava/lang/Class;
 330  */
 331 JNIEXPORT java_lang_Class* JNICALL Java_java_lang_VMClass_forName(JNIEnv *env, jclass clazz, java_lang_String *name, s4 initialize, java_lang_ClassLoader *loader)
 332 {
 333         return _Jv_java_lang_Class_forName(name, initialize, loader);
 334 }
 335
 336
 337 /*
 338  * Class:     java/lang/VMClass
 339  * Method:    isArray
 340  * Signature: (Ljava/lang/Class;)Z
 341  */
 342 JNIEXPORT int32_t JNICALL Java_java_lang_VMClass_isArray(JNIEnv *env, jclass clazz, java_lang_Class *klass)
 343 {
 344         classinfo *c;
 345
 346         c = LLNI_classinfo_unwrap(klass);
 347
 348         return class_is_array(c);
 349 }
 350
 351
 352 /*
 353  * Class:     java/lang/VMClass
 354  * Method:    throwException
 355  * Signature: (Ljava/lang/Throwable;)V
 356  */
 357 JNIEXPORT void JNICALL Java_java_lang_VMClass_throwException(JNIEnv *env, jclass clazz, java_lang_Throwable *t)
 358 {
 359         java_handle_t *o;
 360
 361         o = (java_handle_t *) t;
 362
 363         exceptions_set_exception(o);
 364 }
 365
 366
 367 #if defined(WITH_CLASSPATH_GNU) && defined(ENABLE_ANNOTATIONS)
 368 /*
 369  * Class:     java/lang/VMClass
 370  * Method:    getDeclaredAnnotations
 371  * Signature: (Ljava/lang/Class;)[Ljava/lang/annotation/Annotation;
 372  */
 373 JNIEXPORT java_handle_objectarray_t* JNICALL Java_java_lang_VMClass_getDeclaredAnnotations(JNIEnv *env, jclass clazz, java_lang_Class* klass)
 374 {
 375         return _Jv_java_lang_Class_getDeclaredAnnotations(klass);
 376 }
 377 #endif
 378
 379
 380 /*
 381  * Class:     java/lang/VMClass
 382  * Method:    getEnclosingClass
 383  * Signature: (Ljava/lang/Class;)Ljava/lang/Class;
 384  */
 385 JNIEXPORT java_lang_Class* JNICALL Java_java_lang_VMClass_getEnclosingClass(JNIEnv *env, jclass clazz, java_lang_Class *klass)
 386 {
 387         classinfo *c;
 388         classinfo *result;
 389
 390         c = LLNI_classinfo_unwrap(klass);
 391
 392         result = class_get_enclosingclass(c);
 393
 394         return LLNI_classinfo_wrap(result);
 395 }
 396
 397
 398 /*
 399  * Class:     java/lang/VMClass
 400  * Method:    getEnclosingConstructor
 401  * Signature: (Ljava/lang/Class;)Ljava/lang/reflect/Constructor;
 402  */
 403 JNIEXPORT java_lang_reflect_Constructor* JNICALL Java_java_lang_VMClass_getEnclosingConstructor(JNIEnv *env, jclass clazz, java_lang_Class *klass)
 404 {
 405         return _Jv_java_lang_Class_getEnclosingConstructor(klass);
 406 }
 407
 408
 409 /*
 410  * Class:     java/lang/VMClass
 411  * Method:    getEnclosingMethod
 412  * Signature: (Ljava/lang/Class;)Ljava/lang/reflect/Method;
 413  */
 414 JNIEXPORT java_lang_reflect_Method* JNICALL Java_java_lang_VMClass_getEnclosingMethod(JNIEnv *env, jclass clazz, java_lang_Class *klass)
 415 {
 416         return _Jv_java_lang_Class_getEnclosingMethod(klass);
 417 }
 418
 419
 420 /*
 421  * Class:     java/lang/VMClass
 422  * Method:    getClassSignature
 423  * Signature: (Ljava/lang/Class;)Ljava/lang/String;
 424  */
 425 JNIEXPORT java_lang_String* JNICALL Java_java_lang_VMClass_getClassSignature(JNIEnv *env, jclass clazz, java_lang_Class* klass)
 426 {
 427         classinfo     *c;
 428         utf           *u;
 429         java_handle_t *s;
 430
 431         c = LLNI_classinfo_unwrap(klass);
 432
 433         u = class_get_signature(c);
 434
 435         if (u == NULL)
 436                 return NULL;
 437
 438         s = javastring_new(u);
 439
 440         /* in error case s is NULL */
 441
 442         return (java_lang_String *) s;
 443 }
 444
 445
 446 /*
 447  * Class:     java/lang/VMClass
 448  * Method:    isAnonymousClass
 449  * Signature: (Ljava/lang/Class;)Z
 450  */
 451 JNIEXPORT int32_t JNICALL Java_java_lang_VMClass_isAnonymousClass(JNIEnv *env, jclass clazz, java_lang_Class *klass)
 452 {
 453         return class_is_anonymousclass(LLNI_classinfo_unwrap(klass));
 454 }
 455
 456
 457 /*
 458  * Class:     java/lang/VMClass
 459  * Method:    isLocalClass
 460  * Signature: (Ljava/lang/Class;)Z
 461  */
 462 JNIEXPORT int32_t JNICALL Java_java_lang_VMClass_isLocalClass(JNIEnv *env, jclass clazz, java_lang_Class *klass)
 463 {
 464         return class_is_localclass(LLNI_classinfo_unwrap(klass));
 465 }
 466
 467
 468 /*
 469  * Class:     java/lang/VMClass
 470  * Method:    isMemberClass
 471  * Signature: (Ljava/lang/Class;)Z
 472  */
 473 JNIEXPORT int32_t JNICALL Java_java_lang_VMClass_isMemberClass(JNIEnv *env, jclass clazz, java_lang_Class *klass)
 474 {
 475         return class_is_memberclass(LLNI_classinfo_unwrap(klass));
 476 }
 477
 478
 479 /*
 480  * These are local overrides for various environment variables in Emacs.
 481  * Please do not remove this and leave it at the end of the file, where
 482  * Emacs will automagically detect them.
 483  * ---------------------------------------------------------------------
 484  * Local variables:
 485  * mode: c
 486  * indent-tabs-mode: t
 487  * c-basic-offset: 4
 488  * tab-width: 4
 489  * End:
 490  * vim:noexpandtab:sw=4:ts=4:
 491  */