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1 package gnu.mapping;
2 import gnu.text.SourceLocator;
3
4
5
6 public class UnboundLocationException extends RuntimeException 
7 {
8 public Object symbol;
9 Location location;
10 String filename;
11 int line, column;
12
13 public UnboundLocationException ()
14 {
15 }
16
17 public UnboundLocationException (Object symbol)
18 {
19 this.symbol = symbol;
20 }
21
22 public UnboundLocationException (Object symbol, String filename,
23 int line, int column)
24 {
25 this.symbol = symbol;
26 this.filename = filename;
27 this.line = line;
28 this.column = column;
29 }
30
31 public UnboundLocationException (Object symbol, SourceLocator location)
32 {
33 this.symbol = symbol;
34 if (location != null)
35 {
36 this.filename = location.getFileName();
37 this.line = location.getLineNumber();
38 this.column = location.getColumnNumber();
39 }
40 }
41
42 public UnboundLocationException (Location loc)
43 {
44 this.location = loc;
45 }
46
47 public UnboundLocationException (Object symbol, String message)
48 {
49 super (message);
50 this.symbol = symbol;
51 }
52
53 public void setLine (String filename, int line, int column)
54 {
55 this.filename = filename;
56 this.line = line;
57 this.column = column;
58 }
59
60 public String getMessage()
61 {
62 String msg = super.getMessage();
63 if (msg != null)
64 return msg;
65 StringBuffer sbuf = new StringBuffer ();
66 if (filename != null || line > 0)
67 {
68 if (filename != null)
69 sbuf.append(filename);
70 if (line >= 0)
71 {
72 sbuf.append(':');
73 sbuf.append(line);
74 if (column > 0)
75 {
76 sbuf.append(':');
77 sbuf.append(column);
78 }
79 }
80 sbuf.append(": ");
81 }
82 Symbol name = location == null ? null : location.getKeySymbol();
83 if (name != null)
84 {
85 sbuf.append("unbound location ");
86 sbuf.append(name);
87 Object property = location.getKeyProperty();
88 if (property != null)
89 {
90 sbuf.append(" (property ");
91 sbuf.append(property);
92 sbuf.append(')');
93 }
94 }
95 else if (symbol != null)
96 {
97 sbuf.append("unbound location ");
98 sbuf.append(symbol);
99 }
100 else
101 sbuf.append("unbound location");
102 return sbuf.toString();
103 }
104
105 public String toString()
106 {
107 return getMessage();
108 }
109 }
110 |
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