antlr.v4.runtime.atn.RuleTransition source code

1 /*
2  * [The "BSD license"]
3  *  Copyright (c) 2016 Terence Parr
4  *  Copyright (c) 2016 Sam Harwell
5  *  All rights reserved.
6  *
7  *  Redistribution and use in source and binary forms, with or without
8  *  modification, are permitted provided that the following conditions
9  *  are met:
10  *
11  *  1. Redistributions of source code must retain the above copyright
12  *     notice, this list of conditions and the following disclaimer.
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  *  3. The name of the author may not be used to endorse or promote products
17  *     derived from this software without specific prior written permission.
18  *
19  *  THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
20  *  IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
21  *  OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
22  *  IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
23  *  INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
24  *  NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
25  *  DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
26  *  THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
27  *  (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
28  *  THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
29  */
30 
31 module antlr.v4.runtime.atn.RuleTransition;
32 
33 import antlr.v4.runtime.atn.Transition;
34 import antlr.v4.runtime.atn.TransitionStates;
35 import antlr.v4.runtime.atn.RuleStartState;
36 import antlr.v4.runtime.atn.ATNState;
37 
38 // Class RuleTransition
39 /**
40  * TODO add class description
41  */
42 class RuleTransition : Transition
43 {
44 
45     public int ruleIndex;
46 
47     public int precedence;
48 
49     public ATNState followState;
50 
51     public bool tailCall;
52 
53     public bool optimizedTailCall;
54 
55     public this(RuleStartState ruleStart, int ruleIndex, int precedence, ATNState followState)
56     {
57         super(ruleStart);
58         this.ruleIndex = ruleIndex;
59         this.precedence = precedence;
60         this.followState = followState;
61     }
62 
63     /**
64      * @uml
65      * @override
66      */
67     public override int getSerializationType()
68     {
69         return TransitionStates.RULE;
70     }
71 
72     /**
73      * @uml
74      * @override
75      */
76     public override bool isEpsilon()
77     {
78         return true;
79     }
80 
81     /**
82      * @uml
83      * @override
84      */
85     public override bool matches(int symbol, int minVocabSymbol, int maxVocabSymbol)
86     {
87         return false;
88     }
89 
90 }