antlr.v4.runtime.ConsoleErrorListener source code

1 /*
2  * [The "BSD license"]
3  *  Copyright (c) 2012 Terence Parr
4  *  Copyright (c) 2012 Sam Harwell
5  *  Copyright (c) 2017 Egbert Voigt
6  *  All rights reserved.
7  *
8  *  Redistribution and use in source and binary forms, with or without
9  *  modification, are permitted provided that the following conditions
10  *  are met:
11  *
12  *  1. Redistributions of source code must retain the above copyright
13  *     notice, this list of conditions and the following disclaimer.
14  *  2. Redistributions in binary form must reproduce the above copyright
15  *     notice, this list of conditions and the following disclaimer in the
16  *     documentation and/or other materials provided with the distribution.
17  *  3. The name of the author may not be used to endorse or promote products
18  *     derived from this software without specific prior written permission.
19  *
20  *  THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
21  *  IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
22  *  OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
23  *  IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
24  *  INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
25  *  NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
26  *  DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
27  *  THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
28  *  (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
29  *  THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
30  */
31 
32 module antlr.v4.runtime.ConsoleErrorListener;
33 
34 import std.stdio;
35 import antlr.v4.runtime.BaseErrorListener;
36 import antlr.v4.runtime.InterfaceRecognizer;
37 import antlr.v4.runtime.RecognitionException;
38 
39 // Singleton Template ConsoleErrorListener
40 /**
41  * Default error listener
42  */
43 class ConsoleErrorListener(U, V) : BaseErrorListener!(U, V)
44 {
45 
46     /**
47      * The single instance of ConsoleErrorListener.
48      */
49     private static __gshared ConsoleErrorListener instance_;
50 
51     /**
52      * @uml
53      * @override
54      */
55     public override void syntaxError(InterfaceRecognizer recognizer, Object offendingSymbol, int line,
56         int charPositionInLine, string msg, RecognitionException e)
57     {
58         writefln("line %1$s:%2$s %3$s", line, charPositionInLine, msg);
59     }
60 
61     /**
62      * Creates the single instance of ConsoleErrorListener.
63      */
64     private shared static this()
65     {
66         instance_ = new ConsoleErrorListener;
67     }
68 
69     /**
70      * Returns: A single instance of ConsoleErrorListener.
71      */
72     public static ConsoleErrorListener instance()
73     {
74         return instance_;
75     }
76 
77 }