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1 /// Definition of a cyclic dfa structure such that it can be
2 /// initialized at compile time and have only a single
3 /// runtime function that can deal with all cyclic dfa
4 /// structures and show Java how it is done ;-)
5 ///
6 #ifndef	ANTLR3_CYCLICDFA_H
7 #define	ANTLR3_CYCLICDFA_H
8 
9 // [The "BSD licence"]
10 // Copyright (c) 2005-2009 Jim Idle, Temporal Wave LLC
11 // http://www.temporal-wave.com
12 // http://www.linkedin.com/in/jimidle
13 //
14 // All rights reserved.
15 //
16 // Redistribution and use in source and binary forms, with or without
17 // modification, are permitted provided that the following conditions
18 // are met:
19 // 1. Redistributions of source code must retain the above copyright
20 //    notice, this list of conditions and the following disclaimer.
21 // 2. Redistributions in binary form must reproduce the above copyright
22 //    notice, this list of conditions and the following disclaimer in the
23 //    documentation and/or other materials provided with the distribution.
24 // 3. The name of the author may not be used to endorse or promote products
25 //    derived from this software without specific prior written permission.
26 //
27 // THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
28 // IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
29 // OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
30 // IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
31 // INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
32 // NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
33 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
34 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
35 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
36 // THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
37 
38 #include    <antlr3baserecognizer.h>
39 #include    <antlr3intstream.h>
40 
41 #ifdef __cplusplus
42 extern "C" {
43 
44 // If this header file is included as part of a generated recognizer that
45 // is being compiled as if it were C++, and this is Windows, then the const elements
46 // of the structure cause the C++ compiler to (rightly) point out that
47 // there can be no instantiation of the structure because it needs a constructor
48 // that can initialize the data, however these structures are not
49 // useful for C++ as they are pre-generated and static in the recognizer.
50 // So, we turn off those warnings, which are only at /W4 anyway.
51 //
52 #ifdef ANTLR3_WINDOWS
53 #pragma warning	(push)
54 #pragma warning (disable : 4510)
55 #pragma warning (disable : 4512)
56 #pragma warning (disable : 4610)
57 #endif
58 #endif
59 
60 typedef struct ANTLR3_CYCLIC_DFA_struct
61 {
62     /// Decision number that a particular static structure
63     ///  represents.
64     ///
65     const ANTLR3_INT32		decisionNumber;
66 
67     /// What this decision represents
68     ///
69     const pANTLR3_UCHAR		description;
70 
71     ANTLR3_INT32			(*specialStateTransition)   (void * ctx, pANTLR3_BASE_RECOGNIZER recognizer, pANTLR3_INT_STREAM is, struct ANTLR3_CYCLIC_DFA_struct * dfa, ANTLR3_INT32 s);
72 
73     ANTLR3_INT32			(*specialTransition)	    (void * ctx, pANTLR3_BASE_RECOGNIZER recognizer, pANTLR3_INT_STREAM is, struct ANTLR3_CYCLIC_DFA_struct * dfa, ANTLR3_INT32 s);
74 
75     ANTLR3_INT32			(*predict)					(void * ctx, pANTLR3_BASE_RECOGNIZER recognizer, pANTLR3_INT_STREAM is, struct ANTLR3_CYCLIC_DFA_struct * dfa);
76 
77     const ANTLR3_INT32		    * const eot;
78     const ANTLR3_INT32		    * const eof;
79     const ANTLR3_INT32		    * const min;
80     const ANTLR3_INT32		    * const max;
81     const ANTLR3_INT32		    * const accept;
82     const ANTLR3_INT32		    * const special;
83     const ANTLR3_INT32			* const * const transition;
84 
85 }
86     ANTLR3_CYCLIC_DFA;
87 
88 typedef ANTLR3_INT32		(*CDFA_SPECIAL_FUNC)   (void * , pANTLR3_BASE_RECOGNIZER , pANTLR3_INT_STREAM , struct ANTLR3_CYCLIC_DFA_struct * , ANTLR3_INT32);
89 
90 #ifdef __cplusplus
91 }
92 #ifdef ANTLR3_WINDOWS
93 #pragma warning	(pop)
94 #endif
95 #endif
96 
97 #endif
98