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      1 /*
      2  * Copyright (C) 2003, 2004, 2005, 2008, 2009, 2010 Apple Inc. All rights reserved.
      3  *
      4  * Redistribution and use in source and binary forms, with or without
      5  * modification, are permitted provided that the following conditions
      6  * are met:
      7  * 1. Redistributions of source code must retain the above copyright
      8  *    notice, this list of conditions and the following disclaimer.
      9  * 2. Redistributions in binary form must reproduce the above copyright
     10  *    notice, this list of conditions and the following disclaimer in the
     11  *    documentation and/or other materials provided with the distribution.
     12  *
     13  * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
     14  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     15  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     16  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE COMPUTER, INC. OR
     17  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
     18  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
     19  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
     20  * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
     21  * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     22  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
     23  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     24  */
     25 
     26 #ifndef JavaType_h
     27 #define JavaType_h
     28 
     29 #if ENABLE(JAVA_BRIDGE)
     30 
     31 namespace JSC {
     32 
     33 namespace Bindings {
     34 
     35 // The order of these items can not be modified as they are tightly
     36 // bound with the JVM on Mac OSX. If new types need to be added, they
     37 // should be added to the end. It is used in jni_obc.mm when calling
     38 // through to the JVM. Newly added items need to be made compatible
     39 // in that file.
     40 //
     41 // The type conversion logic used here needs improving and this enum will likely
     42 // be changed at that time. See https://bugs.webkit.org/show_bug.cgi?id=38745
     43 enum JavaType {
     44     JavaTypeInvalid = 0,
     45     JavaTypeVoid,
     46     JavaTypeObject,
     47     JavaTypeBoolean,
     48     JavaTypeByte,
     49     JavaTypeChar,
     50     JavaTypeShort,
     51     JavaTypeInt,
     52     JavaTypeLong,
     53     JavaTypeFloat,
     54     JavaTypeDouble,
     55     JavaTypeArray,
     56 #if USE(V8)
     57     // JavaTypeString is distinct from JavaTypeObject because strings receive
     58     // special handling when we convert to and from JavaScript. When calling
     59     // Java methods, we must create Java String objects for string arguments.
     60     // However, at conversion time we cannot assume that the mechanism used to
     61     // interact with Java is JNI. Instead we use a special JavaTypeString.
     62     // Implementations of JavaInstance which use JNI will create a Java String
     63     // object when converting the JavaValue to a jvalue.
     64     //
     65     // Note that this type is independent of the JavaScript engine, but is
     66     // currently used only with V8.
     67     // See https://bugs.webkit.org/show_bug.cgi?id=57023.
     68     JavaTypeString,
     69 #endif
     70 };
     71 
     72 } // namespace Bindings
     73 
     74 } // namespace JSC
     75 
     76 #endif // ENABLE(JAVA_BRIDGE)
     77 
     78 #endif // JavaType_h
     79