src/native/vm/gnu/java_lang_VMClass.c

   1 /* src/native/vm/gnu/java_lang_VMClass.c
   2
   3    Copyright (C) 2006, 2007, 2008
   4    CACAOVM - Verein zur Foerderung der freien virtuellen Maschine CACAO
   5
   6    This file is part of CACAO.
   7
   8    This program is free software; you can redistribute it and/or
   9    modify it under the terms of the GNU General Public License as
  10    published by the Free Software Foundation; either version 2, or (at
  11    your option) any later version.
  12
  13    This program is distributed in the hope that it will be useful, but
  14    WITHOUT ANY WARRANTY; without even the implied warranty of
  15    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  16    General Public License for more details.
  17
  18    You should have received a copy of the GNU General Public License
  19    along with this program; if not, write to the Free Software
  20    Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
  21    02110-1301, USA.
  22
  23 */
  24
  25
  26 #include "config.h"
  27
  28 #include <stdint.h>
  29
  30 #include "vm/types.h"
  31
  32 #include "native/jni.h"
  33 #include "native/llni.h"
  34 #include "native/native.h"
  35
  36 #include "native/include/java_lang_Class.h"
  37 #include "native/include/java_lang_ClassLoader.h"
  38 #include "native/include/java_lang_Object.h"
  39 #include "native/include/java_lang_Throwable.h"
  40 #include "native/include/java_lang_reflect_Constructor.h"
  41 #include "native/include/java_lang_reflect_Method.h"
  42
  43 #include "native/include/java_lang_VMClass.h"
  44
  45 #include "native/vm/java_lang_Class.h"
  46
  47 #include "vm/exceptions.h"
  48 #include "vm/stringlocal.h"
  49
  50 #include "vmcore/class.h"
  51
  52
  53 /* native methods implemented by this file ************************************/
  54
  55 static JNINativeMethod methods[] = {
  56         { "isInstance",              "(Ljava/lang/Class;Ljava/lang/Object;)Z",                        (void *) (ptrint) &Java_java_lang_VMClass_isInstance              },
  57         { "isAssignableFrom",        "(Ljava/lang/Class;Ljava/lang/Class;)Z",                         (void *) (ptrint) &Java_java_lang_VMClass_isAssignableFrom        },
  58         { "isInterface",             "(Ljava/lang/Class;)Z",                                          (void *) (ptrint) &Java_java_lang_VMClass_isInterface             },
  59         { "isPrimitive",             "(Ljava/lang/Class;)Z",                                          (void *) (ptrint) &Java_java_lang_VMClass_isPrimitive             },
  60         { "getName",                 "(Ljava/lang/Class;)Ljava/lang/String;",                         (void *) (ptrint) &Java_java_lang_VMClass_getName                 },
  61         { "getSuperclass",           "(Ljava/lang/Class;)Ljava/lang/Class;",                          (void *) (ptrint) &Java_java_lang_VMClass_getSuperclass           },
  62         { "getInterfaces",           "(Ljava/lang/Class;)[Ljava/lang/Class;",                         (void *) (ptrint) &Java_java_lang_VMClass_getInterfaces           },
  63         { "getComponentType",        "(Ljava/lang/Class;)Ljava/lang/Class;",                          (void *) (ptrint) &Java_java_lang_VMClass_getComponentType        },
  64         { "getModifiers",            "(Ljava/lang/Class;Z)I",                                         (void *) (ptrint) &Java_java_lang_VMClass_getModifiers            },
  65         { "getDeclaringClass",       "(Ljava/lang/Class;)Ljava/lang/Class;",                          (void *) (ptrint) &Java_java_lang_VMClass_getDeclaringClass       },
  66         { "getDeclaredClasses",      "(Ljava/lang/Class;Z)[Ljava/lang/Class;",                        (void *) (ptrint) &Java_java_lang_VMClass_getDeclaredClasses      },
  67         { "getDeclaredFields",       "(Ljava/lang/Class;Z)[Ljava/lang/reflect/Field;",                (void *) (ptrint) &Java_java_lang_VMClass_getDeclaredFields       },
  68         { "getDeclaredMethods",      "(Ljava/lang/Class;Z)[Ljava/lang/reflect/Method;",               (void *) (ptrint) &Java_java_lang_VMClass_getDeclaredMethods      },
  69         { "getDeclaredConstructors", "(Ljava/lang/Class;Z)[Ljava/lang/reflect/Constructor;",          (void *) (ptrint) &Java_java_lang_VMClass_getDeclaredConstructors },
  70         { "getClassLoader",          "(Ljava/lang/Class;)Ljava/lang/ClassLoader;",                    (void *) (ptrint) &Java_java_lang_VMClass_getClassLoader          },
  71         { "forName",                 "(Ljava/lang/String;ZLjava/lang/ClassLoader;)Ljava/lang/Class;", (void *) (ptrint) &Java_java_lang_VMClass_forName                 },
  72         { "isArray",                 "(Ljava/lang/Class;)Z",                                          (void *) (ptrint) &Java_java_lang_VMClass_isArray                 },
  73         { "throwException",          "(Ljava/lang/Throwable;)V",                                      (void *) (ptrint) &Java_java_lang_VMClass_throwException          },
  74 #if defined(WITH_CLASSPATH_GNU) && defined(ENABLE_ANNOTATIONS)
  75         { "getDeclaredAnnotations",  "(Ljava/lang/Class;)[Ljava/lang/annotation/Annotation;",         (void *) (ptrint) &Java_java_lang_VMClass_getDeclaredAnnotations  },
  76 #endif
  77         { "getEnclosingClass",       "(Ljava/lang/Class;)Ljava/lang/Class;",                          (void *) (ptrint) &Java_java_lang_VMClass_getEnclosingClass       },
  78         { "getEnclosingConstructor", "(Ljava/lang/Class;)Ljava/lang/reflect/Constructor;",            (void *) (ptrint) &Java_java_lang_VMClass_getEnclosingConstructor },
  79         { "getEnclosingMethod",      "(Ljava/lang/Class;)Ljava/lang/reflect/Method;",                 (void *) (ptrint) &Java_java_lang_VMClass_getEnclosingMethod      },
  80         { "getClassSignature",       "(Ljava/lang/Class;)Ljava/lang/String;",                         (void *) (ptrint) &Java_java_lang_VMClass_getClassSignature       },
  81         { "isAnonymousClass",        "(Ljava/lang/Class;)Z",                                          (void *) (ptrint) &Java_java_lang_VMClass_isAnonymousClass        },
  82         { "isLocalClass",            "(Ljava/lang/Class;)Z",                                          (void *) (ptrint) &Java_java_lang_VMClass_isLocalClass            },
  83         { "isMemberClass",           "(Ljava/lang/Class;)Z",                                          (void *) (ptrint) &Java_java_lang_VMClass_isMemberClass           },
  84 };
  85
  86
  87 /* _Jv_java_lang_VMClass_init **************************************************
  88
  89    Register native functions.
  90
  91 *******************************************************************************/
  92
  93 void _Jv_java_lang_VMClass_init(void)
  94 {
  95         utf *u;
  96
  97         u = utf_new_char("java/lang/VMClass");
  98
  99         native_method_register(u, methods, NATIVE_METHODS_COUNT);
 100 }
 101
 102
 103 /*
 104  * Class:     java/lang/VMClass
 105  * Method:    isInstance
 106  * Signature: (Ljava/lang/Class;Ljava/lang/Object;)Z
 107  */
 108 JNIEXPORT s4 JNICALL Java_java_lang_VMClass_isInstance(JNIEnv *env, jclass clazz, java_lang_Class *klass, java_lang_Object *o)
 109 {
 110         return _Jv_java_lang_Class_isInstance(klass, o);
 111 }
 112
 113
 114 /*
 115  * Class:     java/lang/VMClass
 116  * Method:    isAssignableFrom
 117  * Signature: (Ljava/lang/Class;Ljava/lang/Class;)Z
 118  */
 119 JNIEXPORT s4 JNICALL Java_java_lang_VMClass_isAssignableFrom(JNIEnv *env, jclass clazz, java_lang_Class *klass, java_lang_Class *c)
 120 {
 121         return _Jv_java_lang_Class_isAssignableFrom(klass, c);
 122 }
 123
 124
 125 /*
 126  * Class:     java/lang/VMClass
 127  * Method:    isInterface
 128  * Signature: (Ljava/lang/Class;)Z
 129  */
 130 JNIEXPORT s4 JNICALL Java_java_lang_VMClass_isInterface(JNIEnv *env, jclass clazz, java_lang_Class *klass)
 131 {
 132         classinfo *c;
 133
 134         c = LLNI_classinfo_unwrap(klass);
 135
 136         return class_is_interface(c);
 137 }
 138
 139
 140 /*
 141  * Class:     java/lang/VMClass
 142  * Method:    isPrimitive
 143  * Signature: (Ljava/lang/Class;)Z
 144  */
 145 JNIEXPORT int32_t JNICALL Java_java_lang_VMClass_isPrimitive(JNIEnv *env, jclass clazz, java_lang_Class *klass)
 146 {
 147         classinfo *c;
 148
 149         c = LLNI_classinfo_unwrap(klass);
 150
 151         return class_is_primitive(c);
 152 }
 153
 154
 155 /*
 156  * Class:     java/lang/VMClass
 157  * Method:    getName
 158  * Signature: (Ljava/lang/Class;)Ljava/lang/String;
 159  */
 160 JNIEXPORT java_lang_String* JNICALL Java_java_lang_VMClass_getName(JNIEnv *env, jclass clazz, java_lang_Class *klass)
 161 {
 162         return _Jv_java_lang_Class_getName(klass);
 163 }
 164
 165
 166 /*
 167  * Class:     java/lang/VMClass
 168  * Method:    getSuperclass
 169  * Signature: (Ljava/lang/Class;)Ljava/lang/Class;
 170  */
 171 JNIEXPORT java_lang_Class* JNICALL Java_java_lang_VMClass_getSuperclass(JNIEnv *env, jclass clazz, java_lang_Class *klass)
 172 {
 173         classinfo *c;
 174         classinfo *super;
 175
 176         c = LLNI_classinfo_unwrap(klass);
 177
 178         super = class_get_superclass(c);
 179
 180         return LLNI_classinfo_wrap(super);
 181 }
 182
 183
 184 /*
 185  * Class:     java/lang/VMClass
 186  * Method:    getInterfaces
 187  * Signature: (Ljava/lang/Class;)[Ljava/lang/Class;
 188  */
 189 JNIEXPORT java_handle_objectarray_t* JNICALL Java_java_lang_VMClass_getInterfaces(JNIEnv *env, jclass clazz, java_lang_Class *klass)
 190 {
 191         classinfo                 *c;
 192         java_handle_objectarray_t *oa;
 193
 194         c = LLNI_classinfo_unwrap(klass);
 195
 196         oa = class_get_interfaces(c);
 197
 198         return oa;
 199 }
 200
 201
 202 /*
 203  * Class:     java/lang/VMClass
 204  * Method:    getComponentType
 205  * Signature: (Ljava/lang/Class;)Ljava/lang/Class;
 206  */
 207 JNIEXPORT java_lang_Class* JNICALL Java_java_lang_VMClass_getComponentType(JNIEnv *env, jclass clazz, java_lang_Class *klass)
 208 {
 209         classinfo *c;
 210         classinfo *component;
 211
 212         c = LLNI_classinfo_unwrap(klass);
 213
 214         component = class_get_componenttype(c);
 215
 216         return LLNI_classinfo_wrap(component);
 217 }
 218
 219
 220 /*
 221  * Class:     java/lang/VMClass
 222  * Method:    getModifiers
 223  * Signature: (Ljava/lang/Class;Z)I
 224  */
 225 JNIEXPORT int32_t JNICALL Java_java_lang_VMClass_getModifiers(JNIEnv *env, jclass clazz, java_lang_Class *klass, int32_t ignoreInnerClassesAttrib)
 226 {
 227         classinfo *c;
 228         int32_t    flags;
 229
 230         c = LLNI_classinfo_unwrap(klass);
 231
 232         flags = class_get_modifiers(c, ignoreInnerClassesAttrib);
 233
 234         return flags;
 235 }
 236
 237
 238 /*
 239  * Class:     java/lang/VMClass
 240  * Method:    getDeclaringClass
 241  * Signature: (Ljava/lang/Class;)Ljava/lang/Class;
 242  */
 243 JNIEXPORT java_lang_Class* JNICALL Java_java_lang_VMClass_getDeclaringClass(JNIEnv *env, jclass clazz, java_lang_Class *klass)
 244 {
 245         classinfo *c;
 246         classinfo *dc;
 247
 248         c = LLNI_classinfo_unwrap(klass);
 249
 250         dc = class_get_declaringclass(c);
 251
 252         return LLNI_classinfo_wrap(dc);
 253 }
 254
 255
 256 /*
 257  * Class:     java/lang/VMClass
 258  * Method:    getDeclaredClasses
 259  * Signature: (Ljava/lang/Class;Z)[Ljava/lang/Class;
 260  */
 261 JNIEXPORT java_handle_objectarray_t* JNICALL Java_java_lang_VMClass_getDeclaredClasses(JNIEnv *env, jclass clazz, java_lang_Class *klass, s4 publicOnly)
 262 {
 263         classinfo                 *c;
 264         java_handle_objectarray_t *oa;
 265
 266         c = LLNI_classinfo_unwrap(klass);
 267
 268         oa = class_get_declaredclasses(c, publicOnly);
 269
 270         return oa;
 271 }
 272
 273
 274 /*
 275  * Class:     java/lang/VMClass
 276  * Method:    getDeclaredFields
 277  * Signature: (Ljava/lang/Class;Z)[Ljava/lang/reflect/Field;
 278  */
 279 JNIEXPORT java_handle_objectarray_t* JNICALL Java_java_lang_VMClass_getDeclaredFields(JNIEnv *env, jclass clazz, java_lang_Class *klass, s4 publicOnly)
 280 {
 281         return _Jv_java_lang_Class_getDeclaredFields(klass, publicOnly);
 282 }
 283
 284
 285 /*
 286  * Class:     java/lang/VMClass
 287  * Method:    getDeclaredMethods
 288  * Signature: (Ljava/lang/Class;Z)[Ljava/lang/reflect/Method;
 289  */
 290 JNIEXPORT java_handle_objectarray_t* JNICALL Java_java_lang_VMClass_getDeclaredMethods(JNIEnv *env, jclass clazz, java_lang_Class *klass, s4 publicOnly)
 291 {
 292         return _Jv_java_lang_Class_getDeclaredMethods(klass, publicOnly);
 293 }
 294
 295
 296 /*
 297  * Class:     java/lang/VMClass
 298  * Method:    getDeclaredConstructors
 299  * Signature: (Ljava/lang/Class;Z)[Ljava/lang/reflect/Constructor;
 300  */
 301 JNIEXPORT java_handle_objectarray_t* JNICALL Java_java_lang_VMClass_getDeclaredConstructors(JNIEnv *env, jclass clazz, java_lang_Class *klass, s4 publicOnly)
 302 {
 303         return _Jv_java_lang_Class_getDeclaredConstructors(klass, publicOnly);
 304 }
 305
 306
 307 /*
 308  * Class:     java/lang/VMClass
 309  * Method:    getClassLoader
 310  * Signature: (Ljava/lang/Class;)Ljava/lang/ClassLoader;
 311  */
 312 JNIEXPORT java_lang_ClassLoader* JNICALL Java_java_lang_VMClass_getClassLoader(JNIEnv *env, jclass clazz, java_lang_Class *klass)
 313 {
 314         classinfo     *c;
 315         classloader_t *cl;
 316
 317         c  = LLNI_classinfo_unwrap(klass);
 318         cl = class_get_classloader(c);
 319
 320         return (java_lang_ClassLoader *) cl;
 321 }
 322
 323
 324 /*
 325  * Class:     java/lang/VMClass
 326  * Method:    forName
 327  * Signature: (Ljava/lang/String;ZLjava/lang/ClassLoader;)Ljava/lang/Class;
 328  */
 329 JNIEXPORT java_lang_Class* JNICALL Java_java_lang_VMClass_forName(JNIEnv *env, jclass clazz, java_lang_String *name, s4 initialize, java_lang_ClassLoader *loader)
 330 {
 331         return _Jv_java_lang_Class_forName(name, initialize, loader);
 332 }
 333
 334
 335 /*
 336  * Class:     java/lang/VMClass
 337  * Method:    isArray
 338  * Signature: (Ljava/lang/Class;)Z
 339  */
 340 JNIEXPORT int32_t JNICALL Java_java_lang_VMClass_isArray(JNIEnv *env, jclass clazz, java_lang_Class *klass)
 341 {
 342         classinfo *c;
 343
 344         c = LLNI_classinfo_unwrap(klass);
 345
 346         return class_is_array(c);
 347 }
 348
 349
 350 /*
 351  * Class:     java/lang/VMClass
 352  * Method:    throwException
 353  * Signature: (Ljava/lang/Throwable;)V
 354  */
 355 JNIEXPORT void JNICALL Java_java_lang_VMClass_throwException(JNIEnv *env, jclass clazz, java_lang_Throwable *t)
 356 {
 357         java_handle_t *o;
 358
 359         o = (java_handle_t *) t;
 360
 361         exceptions_set_exception(o);
 362 }
 363
 364
 365 #if defined(WITH_CLASSPATH_GNU) && defined(ENABLE_ANNOTATIONS)
 366 /*
 367  * Class:     java/lang/VMClass
 368  * Method:    getDeclaredAnnotations
 369  * Signature: (Ljava/lang/Class;)[Ljava/lang/annotation/Annotation;
 370  */
 371 JNIEXPORT java_handle_objectarray_t* JNICALL Java_java_lang_VMClass_getDeclaredAnnotations(JNIEnv *env, jclass clazz, java_lang_Class* klass)
 372 {
 373         return _Jv_java_lang_Class_getDeclaredAnnotations(klass);
 374 }
 375 #endif
 376
 377
 378 /*
 379  * Class:     java/lang/VMClass
 380  * Method:    getEnclosingClass
 381  * Signature: (Ljava/lang/Class;)Ljava/lang/Class;
 382  */
 383 JNIEXPORT java_lang_Class* JNICALL Java_java_lang_VMClass_getEnclosingClass(JNIEnv *env, jclass clazz, java_lang_Class *klass)
 384 {
 385         classinfo *c;
 386         classinfo *result;
 387
 388         c = LLNI_classinfo_unwrap(klass);
 389
 390         result = class_get_enclosingclass(c);
 391
 392         return LLNI_classinfo_wrap(result);
 393 }
 394
 395
 396 /*
 397  * Class:     java/lang/VMClass
 398  * Method:    getEnclosingConstructor
 399  * Signature: (Ljava/lang/Class;)Ljava/lang/reflect/Constructor;
 400  */
 401 JNIEXPORT java_lang_reflect_Constructor* JNICALL Java_java_lang_VMClass_getEnclosingConstructor(JNIEnv *env, jclass clazz, java_lang_Class *klass)
 402 {
 403         return _Jv_java_lang_Class_getEnclosingConstructor(klass);
 404 }
 405
 406
 407 /*
 408  * Class:     java/lang/VMClass
 409  * Method:    getEnclosingMethod
 410  * Signature: (Ljava/lang/Class;)Ljava/lang/reflect/Method;
 411  */
 412 JNIEXPORT java_lang_reflect_Method* JNICALL Java_java_lang_VMClass_getEnclosingMethod(JNIEnv *env, jclass clazz, java_lang_Class *klass)
 413 {
 414         return _Jv_java_lang_Class_getEnclosingMethod(klass);
 415 }
 416
 417
 418 /*
 419  * Class:     java/lang/VMClass
 420  * Method:    getClassSignature
 421  * Signature: (Ljava/lang/Class;)Ljava/lang/String;
 422  */
 423 JNIEXPORT java_lang_String* JNICALL Java_java_lang_VMClass_getClassSignature(JNIEnv *env, jclass clazz, java_lang_Class* klass)
 424 {
 425         classinfo     *c;
 426         utf           *u;
 427         java_handle_t *s;
 428
 429         c = LLNI_classinfo_unwrap(klass);
 430
 431         u = class_get_signature(c);
 432
 433         if (u == NULL)
 434                 return NULL;
 435
 436         s = javastring_new(u);
 437
 438         /* in error case s is NULL */
 439
 440         return (java_lang_String *) s;
 441 }
 442
 443
 444 /*
 445  * Class:     java/lang/VMClass
 446  * Method:    isAnonymousClass
 447  * Signature: (Ljava/lang/Class;)Z
 448  */
 449 JNIEXPORT int32_t JNICALL Java_java_lang_VMClass_isAnonymousClass(JNIEnv *env, jclass clazz, java_lang_Class *klass)
 450 {
 451         return class_is_anonymousclass(LLNI_classinfo_unwrap(klass));
 452 }
 453
 454
 455 /*
 456  * Class:     java/lang/VMClass
 457  * Method:    isLocalClass
 458  * Signature: (Ljava/lang/Class;)Z
 459  */
 460 JNIEXPORT int32_t JNICALL Java_java_lang_VMClass_isLocalClass(JNIEnv *env, jclass clazz, java_lang_Class *klass)
 461 {
 462         return class_is_localclass(LLNI_classinfo_unwrap(klass));
 463 }
 464
 465
 466 /*
 467  * Class:     java/lang/VMClass
 468  * Method:    isMemberClass
 469  * Signature: (Ljava/lang/Class;)Z
 470  */
 471 JNIEXPORT int32_t JNICALL Java_java_lang_VMClass_isMemberClass(JNIEnv *env, jclass clazz, java_lang_Class *klass)
 472 {
 473         return class_is_memberclass(LLNI_classinfo_unwrap(klass));
 474 }
 475
 476
 477 /*
 478  * These are local overrides for various environment variables in Emacs.
 479  * Please do not remove this and leave it at the end of the file, where
 480  * Emacs will automagically detect them.
 481  * ---------------------------------------------------------------------
 482  * Local variables:
 483  * mode: c
 484  * indent-tabs-mode: t
 485  * c-basic-offset: 4
 486  * tab-width: 4
 487  * End:
 488  * vim:noexpandtab:sw=4:ts=4:
 489  */