src/native/vm/Constructor.c

   1 /* class: java/lang/reflect/Constructor */
   2
   3
   4 /*
   5  * Class:     java/lang/reflect/Constructor
   6  * Method:    newInstance
   7  * Signature: ([Ljava/lang/Object;)Ljava/lang/Object;
   8  */
   9 JNIEXPORT struct java_lang_Object* JNICALL Java_java_lang_reflect_Constructor_constructNative( JNIEnv *env ,  struct java_lang_reflect_Constructor* this,
  10         java_objectarray* parameters,struct java_lang_Class* clazz, s4 par3)
  11 {
  12
  13 #warning fix me for parameters float/double and long long  parameters
  14
  15         methodinfo *m;
  16         java_objectheader *o = builtin_new (clazz);         /*          create object */
  17
  18
  19 /*      log_text("Java_java_lang_reflect_Constructor_constructNative called");
  20         utf_display(((struct classinfo*)clazz)->name);
  21         printf("\n");*/
  22         if (!o) return NULL;
  23
  24 /*      printf("o!=NULL\n");*/
  25         /* find initializer */
  26
  27         if (!parameters) {
  28                 if (this->parameterTypes->header.size!=0) {
  29                         log_text("Parameter count mismatch in Java_java_lang_reflect_Constructor_constructNative");
  30 #warning throw an exception here
  31                         return 0;
  32                 }
  33         } else
  34         if (this->parameterTypes->header.size!=parameters->header.size) {
  35                 log_text("Parameter count mismatch in Java_java_lang_reflect_Constructor_constructNative");
  36 #warning throw an exception here
  37                 return 0;
  38         }
  39
  40         m = &((classinfo*)clazz)->methods[this->slot];
  41         if (!((m->name == utf_new_char("<init>")) &&
  42                   (m->descriptor == create_methodsig(this->parameterTypes,"V"))))
  43         {
  44                 if (verbose) {
  45                         sprintf(logtext, "Warning: class has no instance-initializer of specified type: ");
  46                         utf_sprint(logtext + strlen(logtext), ((struct classinfo*)clazz)->name);
  47                         dolog();
  48                         utf_display( create_methodsig(this->parameterTypes,"V"));
  49                         printf("\n");
  50                         class_showconstantpool(clazz);
  51                         }
  52 #warning throw an exception here, although this should never happen
  53                 return o;
  54                 }
  55
  56         /* call initializer */
  57
  58         switch (this->parameterTypes->header.size) {
  59                 case 0: exceptionptr=asm_calljavamethod (m, o, NULL, NULL, NULL);
  60                         break;
  61                 case 1: exceptionptr=asm_calljavamethod (m, o, parameters->data[0], NULL, NULL);
  62                         break;
  63                 case 2: exceptionptr=asm_calljavamethod (m, o, parameters->data[0], parameters->data[1], NULL);
  64                         break;
  65                 case 3: exceptionptr=asm_calljavamethod (m, o, parameters->data[0], parameters->data[1],
  66                                 parameters->data[2]);
  67                         break;
  68                 default:
  69                         log_text("Not supported number of arguments in Java_java_lang_reflect_Constructor");
  70         }
  71         return o;
  72 }
  73
  74 /*
  75  * Class:     java_lang_reflect_Constructor
  76  * Method:    getModifiers
  77  * Signature: ()I
  78  */
  79 JNIEXPORT s4 JNICALL Java_java_lang_reflect_Constructor_getModifiers (JNIEnv *env ,  struct java_lang_reflect_Constructor* this ) {
  80         return (this->flag);
  81 }