1 /*
2  * FaslWriter.h -
3  *
4  *   Copyright (c) 2010  Higepon(Taro Minowa)  <higepon@users.sourceforge.jp>
5  *
6  *   Redistribution and use in source and binary forms, with or without
7  *   modification, are permitted provided that the following conditions
8  *   are met:
9  *
10  *   1. Redistributions of source code must retain the above copyright
11  *      notice, this list of conditions and the following disclaimer.
12  *
13  *   2. Redistributions in binary form must reproduce the above copyright
14  *      notice, this list of conditions and the following disclaimer in the
15  *      documentation and/or other materials provided with the distribution.
16  *
17  *   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
18  *   "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
19  *   LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
20  *   A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
21  *   OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
22  *   SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
23  *   TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
24  *   PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
25  *   LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
26  *   NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
27  *   SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
28  *
29  *  $Id: FaslWriter.h 261 2008-07-25 06:16:44Z higepon $
30  */
31 
32 #ifndef SCHEME_FASL_WRITER_
33 #define SCHEME_FASL_WRITER_
34 
35 #include "scheme.h"
36 #include "Fasl.h"
37 
38 namespace scheme {
39 
40 class FaslWriter EXTEND_GC
41 {
42 public:
43     FaslWriter(BinaryOutputPort* outputPort);
44 
45     void put(Object obj);
46 private:
47     bool isInteresting(Object obj);
48     void scanSharedObjects(Object obj);
49     void putList(Object list);
50     void emitU8(uint8_t value);
51     void emitU16(uint16_t value);
52     void emitU32(uint32_t value);
53     void emitU64(uint64_t value);
54     void emitString(const ucs4string& string);
55     void emitShortAsciiString(const ucs4string& string);
56     void putDatum(Object obj);
57 
58     EqHashTable* sharedObjects_;
59     ObjectVector sharedObjectVector_;
60     BinaryOutputPort* outputPort_;
61 
62     int uid_;
63 };
64 
65 }; // namespace scheme
66 
67 #endif // SCHEME_FASL_WRITER_
68