TokenManager.java
上传用户:afrynkmhm
上传日期:2007-01-06
资源大小:1262k
文件大小:1k
- package antlr;
- /* ANTLR Translator Generator
- * Project led by Terence Parr at http://www.jGuru.com
- * Software rights: http://www.antlr.org/RIGHTS.html
- *
- * $Id: //depot/code/org.antlr/release/antlr-2.7.0/antlr/TokenManager.java#1 $
- */
- import java.util.Hashtable;
- import java.util.Enumeration;
- import antlr.collections.impl.Vector;
- /** Interface that describes the set of defined tokens */
- interface TokenManager {
- public Object clone();
- /** define a token symbol */
- public void define(TokenSymbol ts);
- /** Get the name of the token manager */
- public String getName();
- /** Get a token string by index */
- public String getTokenStringAt(int idx);
- /** Get the TokenSymbol for a string */
- public TokenSymbol getTokenSymbol(String sym);
- public TokenSymbol getTokenSymbolAt(int idx);
- /** Get an enumerator over the symbol table */
- public Enumeration getTokenSymbolElements();
- public Enumeration getTokenSymbolKeys();
- /** Get the token vocabulary (read-only).
- * @return A Vector of Strings indexed by token type */
- public Vector getVocabulary();
- /** Is this token manager read-only? */
- public boolean isReadOnly();
- public void mapToTokenSymbol(String name, TokenSymbol sym);
- /** Get the highest token type in use */
- public int maxTokenType();
- /** Get the next unused token type */
- public int nextTokenType();
- public void setName(String n);
- public void setReadOnly(boolean ro);
- /** Is a token symbol defined? */
- public boolean tokenDefined(String symbol);
- }