antlr

Interface TokenManager

interface TokenManager

Interface that describes the set of defined tokens

Method Summary
Object	clone()
void	define(TokenSymbol ts) define a token symbol
String	getName() Get the name of the token manager
String	getTokenStringAt(int idx) Get a token string by index
TokenSymbol	getTokenSymbol(String sym) Get the TokenSymbol for a string
TokenSymbol	getTokenSymbolAt(int idx)
Enumeration	getTokenSymbolElements() Get an enumerator over the symbol table
Enumeration	getTokenSymbolKeys()
Vector	getVocabulary() Get the token vocabulary (read-only).
boolean	isReadOnly() Is this token manager read-only?
void	mapToTokenSymbol(String name, TokenSymbol sym)
int	maxTokenType() Get the highest token type in use
int	nextTokenType() Get the next unused token type
void	setName(String n)
void	setReadOnly(boolean ro)
boolean	tokenDefined(String symbol) Is a token symbol defined?

Method Detail

clone

public Object clone()

define

public void define(TokenSymbol ts)

define a token symbol

getName

public String getName()

Get the name of the token manager

getTokenStringAt

public String getTokenStringAt(int idx)

Get a token string by index

getTokenSymbol

public TokenSymbol getTokenSymbol(String sym)

Get the TokenSymbol for a string

getTokenSymbolAt

public TokenSymbol getTokenSymbolAt(int idx)

getTokenSymbolElements

public Enumeration getTokenSymbolElements()

Get an enumerator over the symbol table

getTokenSymbolKeys

public Enumeration getTokenSymbolKeys()

getVocabulary

public Vector getVocabulary()

Get the token vocabulary (read-only).

Returns: A Vector of Strings indexed by token type

isReadOnly

public boolean isReadOnly()

Is this token manager read-only?

mapToTokenSymbol

public void mapToTokenSymbol(String name, TokenSymbol sym)

maxTokenType

public int maxTokenType()

Get the highest token type in use

nextTokenType

public int nextTokenType()

Get the next unused token type

setName

public void setName(String n)

setReadOnly

public void setReadOnly(boolean ro)

tokenDefined

public boolean tokenDefined(String symbol)

Is a token symbol defined?