persistence.antlr.TokenManager Maven / Gradle / Ivy
package persistence.antlr;
/* ANTLR Translator Generator
* Project led by Terence Parr at http://www.jGuru.com
* Software rights: http://www.antlr.org/license.html
*
*/
import java.util.Hashtable;
import java.util.Enumeration;
import persistence.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);
}