antlr

Class SimpleTokenManager

class SimpleTokenManager extends Object implements TokenManager, Cloneable

Field Summary
protected Tool	antlrTool
protected int	maxToken
protected String	name
protected boolean	readOnly
protected Vector	vocabulary

Constructor Summary
	SimpleTokenManager(String name_, Tool tool_)

Method Summary
Object	clone()
void	define(TokenSymbol ts) define a token
String	getName() Simple token manager doesn't have a name -- must be set externally
String	getTokenStringAt(int idx) Get a token symbol by index
TokenSymbol	getTokenSymbol(String sym) Get the TokenSymbol for a string
TokenSymbol	getTokenSymbolAt(int idx) Get a token symbol by index
Enumeration	getTokenSymbolElements() Get an enumerator over the symbol table
Enumeration	getTokenSymbolKeys()
Vector	getVocabulary() Get the token vocabulary (read-only).
boolean	isReadOnly() Simple token manager is not read-only
void	mapToTokenSymbol(String name, TokenSymbol sym) Map a label or string to an existing token symbol
int	maxTokenType() Get the highest token type in use
int	nextTokenType() Get the next unused token type
void	setName(String name_) Set the name of the token manager
void	setReadOnly(boolean ro)
boolean	tokenDefined(String symbol) Is a token symbol defined?

Field Detail

antlrTool

protected Tool antlrTool

maxToken

protected int maxToken

name

protected String name

readOnly

protected boolean readOnly

vocabulary

protected Vector vocabulary

Constructor Detail

SimpleTokenManager

SimpleTokenManager(String name_, Tool tool_)

Method Detail

clone

public Object clone()

define

public void define(TokenSymbol ts)

define a token

getName

public String getName()

Simple token manager doesn't have a name -- must be set externally

getTokenStringAt

public String getTokenStringAt(int idx)

Get a token symbol by index

getTokenSymbol

public TokenSymbol getTokenSymbol(String sym)

Get the TokenSymbol for a string

getTokenSymbolAt

public TokenSymbol getTokenSymbolAt(int idx)

Get a token symbol by index

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 TokenSymbol

isReadOnly

public boolean isReadOnly()

Simple token manager is not read-only

mapToTokenSymbol

public void mapToTokenSymbol(String name, TokenSymbol sym)

Map a label or string to an existing token symbol

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 name_)

Set the name of the token manager

setReadOnly

public void setReadOnly(boolean ro)

tokenDefined

public boolean tokenDefined(String symbol)

Is a token symbol defined?