1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
|
namespace antlr.debug
{
using System;
using ArrayList = System.Collections.ArrayList;
public class DebuggingInputBuffer : InputBuffer
{
public virtual ArrayList InputBufferListeners
{
get { return inputBufferEventSupport.InputBufferListeners; }
}
public virtual bool DebugMode
{
set { debugMode = value; }
}
private InputBuffer buffer;
private InputBufferEventSupport inputBufferEventSupport;
private bool debugMode = true;
public DebuggingInputBuffer(InputBuffer buffer)
{
this.buffer = buffer;
inputBufferEventSupport = new InputBufferEventSupport(this);
}
public virtual void addInputBufferListener(InputBufferListener l)
{
inputBufferEventSupport.addInputBufferListener(l);
}
public override char consume()
{
char la = ' ';
try
{
la = buffer.LA(1);
}
catch (CharStreamException)
{
} // vaporize it...
buffer.consume();
if (debugMode)
inputBufferEventSupport.fireConsume(la);
return la;
}
public override void fill(int a)
{
buffer.fill(a);
}
public virtual bool isDebugMode()
{
return debugMode;
}
public override bool isMarked()
{
return buffer.isMarked();
}
public override char LA(int i)
{
char la = buffer.LA(i);
if (debugMode)
inputBufferEventSupport.fireLA(la, i);
return la;
}
public override int mark()
{
int m = buffer.mark();
inputBufferEventSupport.fireMark(m);
return m;
}
public virtual void removeInputBufferListener(InputBufferListener l)
{
if (inputBufferEventSupport != null)
inputBufferEventSupport.removeInputBufferListener(l);
}
public override void rewind(int mark)
{
buffer.rewind(mark);
inputBufferEventSupport.fireRewind(mark);
}
}
}
|
