antlr.v4.runtime.atn.PrecedencePredicateTransition source code

1 module antlr.v4.runtime.atn.PrecedencePredicateTransition;
2 
3 import std.conv;
4 import antlr.v4.runtime.atn.AbstractPredicateTransition;
5 import antlr.v4.runtime.atn.ATNState;
6 import antlr.v4.runtime.atn.TransitionStates;
7 import antlr.v4.runtime.atn.SemanticContext;
8 
9 // Class PrecedencePredicateTransition
10 /**
11  * TODO add class description
12  */
13 class PrecedencePredicateTransition : AbstractPredicateTransition
14 {
15 
16     /**
17      * @uml
18      * @final
19      */
20     public int precedence;
21 
22     public this(ATNState target, int precedence)
23     {
24         super(target);
25         this.precedence = precedence;
26     }
27 
28     /**
29      * @uml
30      * @override
31      */
32     public override int getSerializationType()
33     {
34         return TransitionStates.PRECEDENCE;
35     }
36 
37     /**
38      * @uml
39      * @override
40      */
41     public override bool isEpsilon()
42     {
43         return true;
44     }
45 
46     /**
47      * @uml
48      * @override
49      */
50     public override bool matches(int symbol, int minVocabSymbol, int maxVocabSymbol)
51     {
52         return false;
53     }
54 
55     public SemanticContext.PrecedencePredicate getPredicate()
56     {
57         auto sc = new SemanticContext;
58         return sc..new PrecedencePredicate(precedence);
59     }
60 
61     /**
62      * @uml
63      * @override
64      */
65     public override string toString()
66     {
67         return to!string(precedence) ~ " >= _p";
68     }
69 
70 }