Line data    Source code

       1             : /* src/native/vm/gnuclasspath/gnu_java_lang_VMCPStringBuilder.cpp
       2             : 
       3             :    Copyright (C) 2008-2013
       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             : 
      30             : #include "native/jni.hpp"
      31             : #include "native/llni.hpp"
      32             : #include "native/native.hpp"
      33             : 
      34             : #if defined(ENABLE_JNI_HEADERS)
      35             : # include "native/vm/include/gnu_java_lang_VMCPStringBuilder.h"
      36             : #endif
      37             : 
      38             : #include "vm/array.hpp"
      39             : #include "vm/jit/builtin.hpp"
      40             : #include "vm/exceptions.hpp"
      41             : #include "vm/globals.hpp"
      42             : #include "vm/javaobjects.hpp"
      43             : #include "vm/vm.hpp"
      44             : 
      45             : /*
      46             :  * Class:     gnu/java/lang/VMCPStringBuilder
      47             :  * Method:    toString
      48             :  * Signature: ([CII)Ljava/lang/String;
      49             :  */
      50         499 : JNIEXPORT jstring JNICALL Java_gnu_java_lang_VMCPStringBuilder_toString(JNIEnv *env, jclass clazz, jcharArray value, jint startIndex, jint count)
      51             : {
      52             :         /* This is a native version of
      53             :            java.lang.String.<init>([CIIZ)Ljava/lang/String; */
      54             : 
      55         499 :         if (startIndex < 0) {
      56             : /*              exceptions_throw_stringindexoutofboundsexception("offset: " + offset); */
      57           0 :                 exceptions_throw_stringindexoutofboundsexception();
      58           0 :                 return NULL;
      59             :         }
      60             : 
      61         499 :         if (count < 0) {
      62             : /*              exceptions_throw_stringindexoutofboundsexception("count: " + count); */
      63           0 :                 exceptions_throw_stringindexoutofboundsexception();
      64           0 :                 return NULL;
      65             :         }
      66             : 
      67             :     /* equivalent to: offset + count < 0 || offset + count > data.length */
      68             : 
      69         499 :         CharArray ca(value);
      70             : 
      71         499 :         if (ca.get_length() - startIndex < count) {
      72             : /*              exceptions_throw_stringindexoutofboundsexception("offset + count: " + (offset + count)); */
      73           0 :                 exceptions_throw_stringindexoutofboundsexception();
      74           0 :                 return NULL;
      75             :         }
      76             : 
      77         499 :         return (jstring) (java_handle_t*) JavaString::from_array(ca.get_handle(), count, startIndex);
      78             : }
      79             : 
      80             : 
      81             : /* native methods implemented by this file ************************************/
      82             : 
      83             : static JNINativeMethod methods[] = {
      84             :         { (char*) "toString", (char*) "([CII)Ljava/lang/String;", (void*) (uintptr_t) &Java_gnu_java_lang_VMCPStringBuilder_toString },
      85             : };
      86             : 
      87             : 
      88             : /* _Jv_gnu_java_lang_VMCPStringBuilder *****************************************
      89             : 
      90             :    Register native functions.
      91             : 
      92             : *******************************************************************************/
      93             : 
      94         163 : void _Jv_gnu_java_lang_VMCPStringBuilder_init(void)
      95             : {
      96         163 :         Utf8String u = Utf8String::from_utf8("gnu/java/lang/VMCPStringBuilder");
      97             : 
      98         163 :         NativeMethods& nm = VM::get_current()->get_nativemethods();
      99         163 :         nm.register_methods(u, methods, NATIVE_METHODS_COUNT);
     100         163 : }
     101             : 
     102             : 
     103             : /*
     104             :  * These are local overrides for various environment variables in Emacs.
     105             :  * Please do not remove this and leave it at the end of the file, where
     106             :  * Emacs will automagically detect them.
     107             :  * ---------------------------------------------------------------------
     108             :  * Local variables:
     109             :  * mode: c++
     110             :  * indent-tabs-mode: t
     111             :  * c-basic-offset: 4
     112             :  * tab-width: 4
     113             :  * End:
     114             :  */