|
1
19
24
25 package org.netbeans.lib.java.parser;
26
27
31 class ASTreeNode extends ASTClass implements ASTreeTypes {
32
33 private int firstToken,lastToken;
34 ASTree subTrees[];
35
36 ASTreeNode(ASTContext context,int type, ASTree first, ASTree last, ASTree[] sub) {
37 super(context,type);
38 firstToken=first.getFirstToken();
39 lastToken=last.getLastToken();
40 subTrees=sub;
41 }
42
43 ASTreeNode(ASTContext context,int type, ASTree first, ASTree last, ASTree sub) {
44 this(context,type,first,last,new ASTree[]{sub});
45 }
46
47 ASTreeNode(ASTContext context,int type, ASTree token) {
48 super(context,type);
49 subTrees=new ASTree[]{token};
50 firstToken=token.getFirstToken();
51 lastToken=token.getLastToken();
52 }
53
54 ASTreeNode(ASTContext context,int type, ASTree[] sub) {
55 super(context,type);
56 subTrees=sub;
57 computeBounds();
58 }
59
60 ASTreeNode(ASTContext context,int type, ASTree leftAST, ASTree rightAST) {
61 super(context,type);
62 subTrees=new ASTree[]{leftAST,rightAST};
63 computeBounds();
64 }
65
66 private void computeBounds() {
67 int i,j;
68
69 for (i=0;i<subTrees.length;i++) {
70 if (subTrees[i]!=null) {
71 firstToken=subTrees[i].getFirstToken();
72 break;
73 }
74 }
75 for (j=subTrees.length-1;j>=i;j--) {
76 if (subTrees[j]!=null) {
77 lastToken=subTrees[j].getLastToken();
78 break;
79 }
80 }
81 }
82
83 final ASTClass setLastToken(ASTree token) {
84 lastToken = token.getLastToken();
85 return this;
86 }
87
88 final ASTClass setLastToken(int tokenIndex) {
89 lastToken = tokenIndex;
90 return this;
91 }
92
93
96 public final int getLastToken() {
97 return lastToken;
98 }
99
100 final ASTClass setFirstToken(ASTree token) {
101 firstToken = token.getFirstToken();
102 return this;
103 }
104
105 final ASTClass setFirstToken(int tokenIndex) {
106 firstToken = tokenIndex;
107 return this;
108 }
109
110 public final int getFirstToken() {
111 return firstToken;
112 }
113
114 final ASTClass addSubTree(ASTree sub) {
115 if (subTrees!=null) {
116 int size=subTrees.length;
117 ASTree trees[]=new ASTree[size+1];
118
119 System.arraycopy(subTrees,0,trees,0,size);
120 trees[size]=sub;
121 subTrees=trees;
122 } else
123 subTrees=new ASTree[]{sub};
124 if (sub!=null)
125 lastToken=sub.getLastToken();
126 return this;
127 }
128
129 final ASTClass setFirstAndLastToken(ASTree first, ASTree last) {
130 firstToken = first.getFirstToken();
131 lastToken=last.getLastToken();
132 return this;
133 }
134
135 public final String  toString() {
136 String text="ASTreeNode Type:"+getType()+"\n{\n";
137 int i;
138
139 if (subTrees!=null) {
140 for (i=0;i<subTrees.length;i++) {
141 String subText;
142 ASTree t=subTrees[i];
143
144 if (t!=null)
145 subText=t.toString();
146 else
147 subText="NULL";
148 text+=subText+"\n";
149 }
150 }
151 return text+"}\n";
152 }
153
154 public final ASTree[] getSubTrees() {
155 return subTrees;
156 }
157
158 }
159 |
Popular Tags |
Java API By Example, From Geeks To Geeks.