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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