Line data    Source code

       1             : /* src/native/vm/gnuclasspath/java_lang_VMString.cpp - java/lang/VMString
       2             : 
       3             :    Copyright (C) 1996-2013
       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             : #include <stdlib.h>
      30             : 
      31             : #include "native/jni.hpp"
      32             : #include "native/native.hpp"
      33             : 
      34             : #if defined(ENABLE_JNI_HEADERS)
      35             : # include "native/vm/include/java_lang_VMString.h"
      36             : #endif
      37             : 
      38             : #include "vm/string.hpp"
      39             : #include "vm/vm.hpp"
      40             : 
      41             : 
      42             : // Native functions are exported as C functions.
      43             : extern "C" {
      44             : 
      45             : /*
      46             :  * Class:     java/lang/VMString
      47             :  * Method:    intern
      48             :  * Signature: (Ljava/lang/String;)Ljava/lang/String;
      49             :  */
      50       14786 : JNIEXPORT jstring JNICALL Java_java_lang_VMString_intern(JNIEnv *env, jclass clazz, jstring str)
      51             : {
      52       14786 :         if (str == NULL)
      53           0 :                 return NULL;
      54             : 
      55       14786 :         return (jstring) JavaString((java_handle_t*) str).intern();
      56             : }
      57             : 
      58             : } // extern "C"
      59             : 
      60             : 
      61             : /* native methods implemented by this file ************************************/
      62             : 
      63             : static JNINativeMethod methods[] = {
      64             :         { (char*) "intern", (char*) "(Ljava/lang/String;)Ljava/lang/String;", (void*) (uintptr_t) &Java_java_lang_VMString_intern },
      65             : };
      66             : 
      67             : 
      68             : /* _Jv_java_lang_VMString_init *************************************************
      69             : 
      70             :    Register native functions.
      71             : 
      72             : *******************************************************************************/
      73             : 
      74         163 : void _Jv_java_lang_VMString_init(void)
      75             : {
      76         163 :         Utf8String u = Utf8String::from_utf8("java/lang/VMString");
      77             : 
      78         163 :         NativeMethods& nm = VM::get_current()->get_nativemethods();
      79         163 :         nm.register_methods(u, methods, NATIVE_METHODS_COUNT);
      80         163 : }
      81             : 
      82             : 
      83             : /*
      84             :  * These are local overrides for various environment variables in Emacs.
      85             :  * Please do not remove this and leave it at the end of the file, where
      86             :  * Emacs will automagically detect them.
      87             :  * ---------------------------------------------------------------------
      88             :  * Local variables:
      89             :  * mode: c++
      90             :  * indent-tabs-mode: t
      91             :  * c-basic-offset: 4
      92             :  * tab-width: 4
      93             :  * End:
      94             :  */