KickJava   Java API By Example, From Geeks To Geeks.

Java > Open Source Codes > persistence > antlr > collections > AST


1 package persistence.antlr.collections;
2
3 /* ANTLR Translator Generator
4  * Project led by Terence Parr at http://www.jGuru.com
5  * Software rights: http://www.antlr.org/license.html
6  *
7  */
8
9 import persistence.antlr.Token;
10
11 /** Minimal AST node interface used by ANTLR AST generation
12  * and tree-walker.
13  */
14 public interface AST {
15     /** Add a (rightmost) child to this node */
16     public void addChild(AST c);
17
18     public boolean equals(AST t);
19
20     public boolean equalsList(AST t);
21
22     public boolean equalsListPartial(AST t);
23
24     public boolean equalsTree(AST t);
25
26     public boolean equalsTreePartial(AST t);
27
28     public ASTEnumeration findAll(AST tree);
29
30     public ASTEnumeration findAllPartial(AST subtree);
31
32     /** Get the first child of this node; null if no children */
33     public AST getFirstChild();
34
35     /** Get the next sibling in line after this one */
36     public AST getNextSibling();
37
38     /** Get the token text for this node */
39     public String JavaDoc getText();
40
41     /** Get the token type for this node */
42     public int getType();
43
44     /** @since 2.7.3 Need for error handling */
45     public int getLine();
46
47     /** @since 2.7.3 Need for error handling */
48     public int getColumn();
49
50     /** Get number of children of this node; if leaf, returns 0 */
51     public int getNumberOfChildren();
52
53     public void initialize(int t, String JavaDoc txt);
54
55     public void initialize(AST t);
56
57     public void initialize(Token t);
58
59     /** Set the first child of a node. */
60     public void setFirstChild(AST c);
61
62     /** Set the next sibling after this one. */
63     public void setNextSibling(AST n);
64
65     /** Set the token text for this node */
66     public void setText(String JavaDoc text);
67
68     /** Set the token type for this node */
69     public void setType(int ttype);
70
71     public String JavaDoc toString();
72
73     public String JavaDoc toStringList();
74
75     public String JavaDoc toStringTree();
76 }
77
Popular Tags