|
1 package org.python.parser;
3
4 import org.python.parser.ast.*;
5 import java.io.DataOutputStream  ;
6 import java.io.IOException ;
7
8 public class SimpleNode implements Node {
9 public int beginLine, beginColumn;
10
11 public boolean from_future_checked = false;
13 public SimpleNode() { }
14
15 public static Node jjtCreate(PythonGrammar p, int id) {
16 return p.jjtree.openNode(id);
17 }
18
19 public int getId() {
20 return -1;
21 }
22
23 public Object getImage() {
24 return null;
25 }
26
27 public void setImage(Object image) {
28 }
29
30
35
36 public String toString() {
37 return super.toString() + " at line "+beginLine;
38 }
39 public String toString(String prefix) { return prefix + toString(); }
40
41 public Object accept(VisitorIF visitor) throws Exception {
42 throw new ParseException("Unexpected node: "+this);
43 }
44
45 public void traverse(VisitorIF visitor) throws Exception {
46 throw new ParseException("Unexpected node: "+this);
47 }
48
49
51
52 protected String dumpThis(String s) {
53 return s;
54 }
55
56 protected String dumpThis(Object o) {
57 return String.valueOf(o);
58 }
59
60 protected String dumpThis(Object [] s) {
61 StringBuffer sb = new StringBuffer ();
62 if (s == null) {
63 sb.append("null");
64 } else {
65 sb.append("[");
66 for (int i = 0; i < s.length; i++) {
67 if (i > 0)
68 sb.append(", ");
69 sb.append(String.valueOf(s[i]));
70 }
71 sb.append("]");
72 }
73
74 return sb.toString();
75 }
76
77 protected String dumpThis(int i) {
78 return Integer.toString(i);
79 }
80
81 protected String dumpThis(int i, String [] names) {
82 return names[i];
84 }
85
86 protected String dumpThis(int[] arr, String [] names) {
87 StringBuffer sb = new StringBuffer ();
88 if (arr == null) {
89 sb.append("null");
90 } else {
91 sb.append("[");
92 for (int i = 0; i < arr.length; i++) {
93 if (i > 0)
94 sb.append(", ");
95 sb.append(names[arr[i]]);
97 }
98 sb.append("]");
99 }
100 return sb.toString();
101 }
102
103 protected String dumpThis(boolean b) {
104 return String.valueOf(b);
105 }
106
107
108 public void pickle(DataOutputStream ostream) throws IOException {
109 throw new IOException ("Pickling not implemented");
110 }
111
112 protected void pickleThis(String s, DataOutputStream ostream)
113 throws IOException
114 {
115 if (s == null) {
116 ostream.writeInt(-1);
117 } else {
118 ostream.writeInt(s.length());
119 ostream.writeBytes(s);
120 }
121 }
122
123 protected void pickleThis(String [] s, DataOutputStream ostream)
124 throws IOException
125 {
126 if (s == null) {
127 ostream.writeInt(-1);
128 } else {
129 ostream.writeInt(s.length);
130 for (int i = 0; i < s.length; i++) {
131 pickleThis(s[i], ostream);
132 }
133 }
134 }
135
136 protected void pickleThis(SimpleNode o, DataOutputStream ostream)
137 throws IOException
138 {
139 if (o == null) {
140 ostream.writeInt(-1);
141 } else {
142 o.pickle(ostream);
143 }
144 }
145
146 protected void pickleThis(SimpleNode[] s, DataOutputStream ostream)
147 throws IOException
148 {
149 if (s == null) {
150 ostream.writeInt(-1);
151 } else {
152 ostream.writeInt(s.length);
153 for (int i = 0; i < s.length; i++) {
154 pickleThis(s[i], ostream);
155 }
156 }
157 }
158
159 protected void pickleThis(int i, DataOutputStream ostream)
160 throws IOException
161 {
162 ostream.writeInt(i);
163 }
164
165 protected void pickleThis(int[] arr, DataOutputStream ostream)
166 throws IOException
167 {
168 if (arr == null) {
169 ostream.writeInt(-1);
170 } else {
171 ostream.writeInt(arr.length);
172 for (int i = 0; i < arr.length; i++) {
173 ostream.writeInt(arr[i]);
174 }
175 }
176 }
177
178 protected void pickleThis(boolean b, DataOutputStream ostream)
179 throws IOException
180 {
181 ostream.writeBoolean(b);
182 }
183
184 protected void pickleThis(Object n, DataOutputStream ostream)
185 throws IOException
186 {
187 String s = n.toString();
188 ostream.writeInt(s.length());
189 ostream.writeBytes(s);
190 }
191 }
192 |
Popular Tags |
Java API By Example, From Geeks To Geeks.