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      1 /*
      2  * Copyright (C) 2008 The Android Open Source Project
      3  *
      4  * Licensed under the Apache License, Version 2.0 (the "License");
      5  * you may not use this file except in compliance with the License.
      6  * You may obtain a copy of the License at
      7  *
      8  *      http://www.apache.org/licenses/LICENSE-2.0
      9  *
     10  * Unless required by applicable law or agreed to in writing, software
     11  * distributed under the License is distributed on an "AS IS" BASIS,
     12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     13  * See the License for the specific language governing permissions and
     14  * limitations under the License.
     15  */
     16 
     17 /*
     18  * java.lang.String
     19  */
     20 #include "Dalvik.h"
     21 #include "native/InternalNativePriv.h"
     22 
     23 static void String_charAt(const u4* args, JValue* pResult)
     24 {
     25     MAKE_INTRINSIC_TRAMPOLINE(javaLangString_charAt);
     26 }
     27 
     28 static void String_compareTo(const u4* args, JValue* pResult)
     29 {
     30     MAKE_INTRINSIC_TRAMPOLINE(javaLangString_compareTo);
     31 }
     32 
     33 static void String_equals(const u4* args, JValue* pResult)
     34 {
     35     MAKE_INTRINSIC_TRAMPOLINE(javaLangString_equals);
     36 }
     37 
     38 static void String_fastIndexOf(const u4* args, JValue* pResult)
     39 {
     40     MAKE_INTRINSIC_TRAMPOLINE(javaLangString_fastIndexOf_II);
     41 }
     42 
     43 static void String_intern(const u4* args, JValue* pResult)
     44 {
     45     StringObject* str = (StringObject*) args[0];
     46     StringObject* interned = dvmLookupInternedString(str);
     47     RETURN_PTR(interned);
     48 }
     49 
     50 static void String_isEmpty(const u4* args, JValue* pResult)
     51 {
     52     MAKE_INTRINSIC_TRAMPOLINE(javaLangString_isEmpty);
     53 }
     54 
     55 static void String_length(const u4* args, JValue* pResult)
     56 {
     57     MAKE_INTRINSIC_TRAMPOLINE(javaLangString_length);
     58 }
     59 
     60 const DalvikNativeMethod dvm_java_lang_String[] = {
     61     { "charAt",      "(I)C",                  String_charAt },
     62     { "compareTo",   "(Ljava/lang/String;)I", String_compareTo },
     63     { "equals",      "(Ljava/lang/Object;)Z", String_equals },
     64     { "fastIndexOf", "(II)I",                 String_fastIndexOf },
     65     { "intern",      "()Ljava/lang/String;",  String_intern },
     66     { "isEmpty",     "()Z",                   String_isEmpty },
     67     { "length",      "()I",                   String_length },
     68     { NULL, NULL, NULL },
     69 };
     70