1 /* src/native/vm/gnuclasspath/gnu_java_lang_VMCPStringBuilder.cpp
4 CACAOVM - Verein zur Foerderung der freien virtuellen Maschine CACAO
6 This file is part of CACAO.
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.
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.
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
30 #include "native/jni.h"
31 #include "native/llni.h"
32 #include "native/native.h"
34 #include "native/include/java_lang_String.h"
38 #include "native/include/gnu_java_lang_VMCPStringBuilder.h"
41 #include "vm/builtin.h"
42 #include "vm/exceptions.hpp"
44 #include "vmcore/globals.hpp"
48 * Class: gnu/java/lang/VMCPStringBuilder
50 * Signature: ([CII)Ljava/lang/String;
52 JNIEXPORT java_lang_String* JNICALL Java_gnu_java_lang_VMCPStringBuilder_toString(JNIEnv *env, jclass clazz, java_handle_chararray_t *value, int32_t startIndex, int32_t count)
58 /* This is a native version of
59 java.lang.String.<init>([CIIZ)Ljava/lang/String; */
62 /* exceptions_throw_stringindexoutofboundsexception("offset: " + offset); */
63 exceptions_throw_stringindexoutofboundsexception();
68 /* exceptions_throw_stringindexoutofboundsexception("count: " + count); */
69 exceptions_throw_stringindexoutofboundsexception();
73 /* equivalent to: offset + count < 0 || offset + count > data.length */
76 length = LLNI_array_size(value);
79 if (length - startIndex < count) {
80 /* exceptions_throw_stringindexoutofboundsexception("offset + count: " + (offset + count)); */
81 exceptions_throw_stringindexoutofboundsexception();
85 o = builtin_new(class_java_lang_String);
90 s = (java_lang_String *) o;
92 LLNI_field_set_ref(s, value, value);
93 LLNI_field_set_val(s, count, count);
94 LLNI_field_set_val(s, offset, startIndex);
100 /* native methods implemented by this file ************************************/
102 static JNINativeMethod methods[] = {
103 { (char*) "toString", (char*) "([CII)Ljava/lang/String;", (void*) (uintptr_t) &Java_gnu_java_lang_VMCPStringBuilder_toString },
107 /* _Jv_gnu_java_lang_VMCPStringBuilder *****************************************
109 Register native functions.
111 *******************************************************************************/
115 void _Jv_gnu_java_lang_VMCPStringBuilder_init(void)
119 u = utf_new_char("gnu/java/lang/VMCPStringBuilder");
121 native_method_register(u, methods, NATIVE_METHODS_COUNT);
127 * These are local overrides for various environment variables in Emacs.
128 * Please do not remove this and leave it at the end of the file, where
129 * Emacs will automagically detect them.
130 * ---------------------------------------------------------------------
133 * indent-tabs-mode: t