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 s4 JNICALL Java_java_lang_VMClass_getModifiers(JNIEnv *env, jclass clazz, java_lang_Class *klass, s4 ignoreInnerClassesAttrib)
 228 {
 229         return _Jv_java_lang_Class_getModifiers(klass, ignoreInnerClassesAttrib);
 230 }
 231
 232
 233 /*
 234  * Class:     java/lang/VMClass
 235  * Method:    getDeclaringClass
 236  * Signature: (Ljava/lang/Class;)Ljava/lang/Class;
 237  */
 238 JNIEXPORT java_lang_Class* JNICALL Java_java_lang_VMClass_getDeclaringClass(JNIEnv *env, jclass clazz, java_lang_Class *klass)
 239 {
 240         classinfo *c;
 241         classinfo *dc;
 242
 243         c = LLNI_classinfo_unwrap(klass);
 244
 245         dc = class_get_declaringclass(c);
 246
 247         return LLNI_classinfo_wrap(dc);
 248 }
 249
 250
 251 /*
 252  * Class:     java/lang/VMClass
 253  * Method:    getDeclaredClasses
 254  * Signature: (Ljava/lang/Class;Z)[Ljava/lang/Class;
 255  */
 256 JNIEXPORT java_handle_objectarray_t* JNICALL Java_java_lang_VMClass_getDeclaredClasses(JNIEnv *env, jclass clazz, java_lang_Class *klass, s4 publicOnly)
 257 {
 258         classinfo                 *c;
 259         java_handle_objectarray_t *oa;
 260
 261         c = LLNI_classinfo_unwrap(klass);
 262
 263         oa = class_get_declaredclasses(c, publicOnly);
 264
 265         return oa;
 266 }
 267
 268
 269 /*
 270  * Class:     java/lang/VMClass
 271  * Method:    getDeclaredFields
 272  * Signature: (Ljava/lang/Class;Z)[Ljava/lang/reflect/Field;
 273  */
 274 JNIEXPORT java_handle_objectarray_t* JNICALL Java_java_lang_VMClass_getDeclaredFields(JNIEnv *env, jclass clazz, java_lang_Class *klass, s4 publicOnly)
 275 {
 276         return _Jv_java_lang_Class_getDeclaredFields(klass, publicOnly);
 277 }
 278
 279
 280 /*
 281  * Class:     java/lang/VMClass
 282  * Method:    getDeclaredMethods
 283  * Signature: (Ljava/lang/Class;Z)[Ljava/lang/reflect/Method;
 284  */
 285 JNIEXPORT java_handle_objectarray_t* JNICALL Java_java_lang_VMClass_getDeclaredMethods(JNIEnv *env, jclass clazz, java_lang_Class *klass, s4 publicOnly)
 286 {
 287         return _Jv_java_lang_Class_getDeclaredMethods(klass, publicOnly);
 288 }
 289
 290
 291 /*
 292  * Class:     java/lang/VMClass
 293  * Method:    getDeclaredConstructors
 294  * Signature: (Ljava/lang/Class;Z)[Ljava/lang/reflect/Constructor;
 295  */
 296 JNIEXPORT java_handle_objectarray_t* JNICALL Java_java_lang_VMClass_getDeclaredConstructors(JNIEnv *env, jclass clazz, java_lang_Class *klass, s4 publicOnly)
 297 {
 298         return _Jv_java_lang_Class_getDeclaredConstructors(klass, publicOnly);
 299 }
 300
 301
 302 /*
 303  * Class:     java/lang/VMClass
 304  * Method:    getClassLoader
 305  * Signature: (Ljava/lang/Class;)Ljava/lang/ClassLoader;
 306  */
 307 JNIEXPORT java_lang_ClassLoader* JNICALL Java_java_lang_VMClass_getClassLoader(JNIEnv *env, jclass clazz, java_lang_Class *klass)
 308 {
 309         classinfo   *c;
 310         classloader *cl;
 311
 312         c  = LLNI_classinfo_unwrap(klass);
 313         cl = class_get_classloader(c);
 314
 315         return (java_lang_ClassLoader *) cl;
 316 }
 317
 318
 319 /*
 320  * Class:     java/lang/VMClass
 321  * Method:    forName
 322  * Signature: (Ljava/lang/String;ZLjava/lang/ClassLoader;)Ljava/lang/Class;
 323  */
 324 JNIEXPORT java_lang_Class* JNICALL Java_java_lang_VMClass_forName(JNIEnv *env, jclass clazz, java_lang_String *name, s4 initialize, java_lang_ClassLoader *loader)
 325 {
 326         return _Jv_java_lang_Class_forName(name, initialize, loader);
 327 }
 328
 329
 330 /*
 331  * Class:     java/lang/VMClass
 332  * Method:    isArray
 333  * Signature: (Ljava/lang/Class;)Z
 334  */
 335 JNIEXPORT int32_t JNICALL Java_java_lang_VMClass_isArray(JNIEnv *env, jclass clazz, java_lang_Class *klass)
 336 {
 337         classinfo *c;
 338
 339         c = LLNI_classinfo_unwrap(klass);
 340
 341         return class_is_array(c);
 342 }
 343
 344
 345 /*
 346  * Class:     java/lang/VMClass
 347  * Method:    throwException
 348  * Signature: (Ljava/lang/Throwable;)V
 349  */
 350 JNIEXPORT void JNICALL Java_java_lang_VMClass_throwException(JNIEnv *env, jclass clazz, java_lang_Throwable *t)
 351 {
 352         java_handle_t *o;
 353
 354         o = (java_handle_t *) t;
 355
 356         exceptions_set_exception(o);
 357 }
 358
 359
 360 #if defined(WITH_CLASSPATH_GNU) && defined(ENABLE_ANNOTATIONS)
 361 /*
 362  * Class:     java/lang/VMClass
 363  * Method:    getDeclaredAnnotations
 364  * Signature: (Ljava/lang/Class;)[Ljava/lang/annotation/Annotation;
 365  */
 366 JNIEXPORT java_handle_objectarray_t* JNICALL Java_java_lang_VMClass_getDeclaredAnnotations(JNIEnv *env, jclass clazz, java_lang_Class* klass)
 367 {
 368         return _Jv_java_lang_Class_getDeclaredAnnotations(klass);
 369 }
 370 #endif
 371
 372
 373 /*
 374  * Class:     java/lang/VMClass
 375  * Method:    getEnclosingClass
 376  * Signature: (Ljava/lang/Class;)Ljava/lang/Class;
 377  */
 378 JNIEXPORT java_lang_Class* JNICALL Java_java_lang_VMClass_getEnclosingClass(JNIEnv *env, jclass clazz, java_lang_Class *klass)
 379 {
 380         classinfo *c;
 381         classinfo *result;
 382
 383         c = LLNI_classinfo_unwrap(klass);
 384
 385         result = class_get_enclosingclass(c);
 386
 387         return LLNI_classinfo_wrap(result);
 388 }
 389
 390
 391 /*
 392  * Class:     java/lang/VMClass
 393  * Method:    getEnclosingConstructor
 394  * Signature: (Ljava/lang/Class;)Ljava/lang/reflect/Constructor;
 395  */
 396 JNIEXPORT java_lang_reflect_Constructor* JNICALL Java_java_lang_VMClass_getEnclosingConstructor(JNIEnv *env, jclass clazz, java_lang_Class *klass)
 397 {
 398         return _Jv_java_lang_Class_getEnclosingConstructor(klass);
 399 }
 400
 401
 402 /*
 403  * Class:     java/lang/VMClass
 404  * Method:    getEnclosingMethod
 405  * Signature: (Ljava/lang/Class;)Ljava/lang/reflect/Method;
 406  */
 407 JNIEXPORT java_lang_reflect_Method* JNICALL Java_java_lang_VMClass_getEnclosingMethod(JNIEnv *env, jclass clazz, java_lang_Class *klass)
 408 {
 409         return _Jv_java_lang_Class_getEnclosingMethod(klass);
 410 }
 411
 412
 413 /*
 414  * Class:     java/lang/VMClass
 415  * Method:    getClassSignature
 416  * Signature: (Ljava/lang/Class;)Ljava/lang/String;
 417  */
 418 JNIEXPORT java_lang_String* JNICALL Java_java_lang_VMClass_getClassSignature(JNIEnv *env, jclass clazz, java_lang_Class* klass)
 419 {
 420         classinfo     *c;
 421         utf           *u;
 422         java_handle_t *s;
 423
 424         c = LLNI_classinfo_unwrap(klass);
 425
 426         u = class_get_signature(c);
 427
 428         if (u == NULL)
 429                 return NULL;
 430
 431         s = javastring_new(u);
 432
 433         /* in error case s is NULL */
 434
 435         return (java_lang_String *) s;
 436 }
 437
 438
 439 /*
 440  * Class:     java/lang/VMClass
 441  * Method:    isAnonymousClass
 442  * Signature: (Ljava/lang/Class;)Z
 443  */
 444 JNIEXPORT int32_t JNICALL Java_java_lang_VMClass_isAnonymousClass(JNIEnv *env, jclass clazz, java_lang_Class *klass)
 445 {
 446         return class_is_anonymousclass(LLNI_classinfo_unwrap(klass));
 447 }
 448
 449
 450 /*
 451  * Class:     java/lang/VMClass
 452  * Method:    isLocalClass
 453  * Signature: (Ljava/lang/Class;)Z
 454  */
 455 JNIEXPORT int32_t JNICALL Java_java_lang_VMClass_isLocalClass(JNIEnv *env, jclass clazz, java_lang_Class *klass)
 456 {
 457         return class_is_localclass(LLNI_classinfo_unwrap(klass));
 458 }
 459
 460
 461 /*
 462  * Class:     java/lang/VMClass
 463  * Method:    isMemberClass
 464  * Signature: (Ljava/lang/Class;)Z
 465  */
 466 JNIEXPORT int32_t JNICALL Java_java_lang_VMClass_isMemberClass(JNIEnv *env, jclass clazz, java_lang_Class *klass)
 467 {
 468         return class_is_memberclass(LLNI_classinfo_unwrap(klass));
 469 }
 470
 471
 472 /*
 473  * These are local overrides for various environment variables in Emacs.
 474  * Please do not remove this and leave it at the end of the file, where
 475  * Emacs will automagically detect them.
 476  * ---------------------------------------------------------------------
 477  * Local variables:
 478  * mode: c
 479  * indent-tabs-mode: t
 480  * c-basic-offset: 4
 481  * tab-width: 4
 482  * End:
 483  * vim:noexpandtab:sw=4:ts=4:
 484  */