Package org.tweetyproject.arg.delp.parser

Class DelpParserTokenManager

java.lang.Object

org.tweetyproject.arg.delp.parser.DelpParserTokenManager

All Implemented Interfaces:

DelpParserConstants

public class DelpParserTokenManager
extends Object
implements DelpParserConstants

Token Manager.

Field Summary

Fields

Modifier and Type	Field	Description
PrintStream	debugStream	Debug output.
static final String[]	jjstrLiteralImages	Token literal values.
static final String[]	lexStateNames	Lexer state names.

Fields inherited from interface org.tweetyproject.arg.delp.parser.DelpParserConstants

DEFAULT, EOF, NAME, QUOTED, tokenImage

Constructor Summary

Constructors

Constructor	Description
DelpParserTokenManager(SimpleCharStream stream)	Constructor for initializing the token manager with the specified input stream.
DelpParserTokenManager(SimpleCharStream stream, int lexState)	Constructor for initializing the token manager with the specified input stream and lexical state.

Method Summary

Modifier and Type	Method	Description
Token	getNextToken()	Get the next Token.
void	ReInit(SimpleCharStream stream)	Reinitializes the token manager with a new input stream.
void	ReInit(SimpleCharStream stream, int lexState)	Reinitializes the token manager with a new input stream and lexical state.
void	setDebugStream(PrintStream ds)	Set debug output.
void	SwitchTo(int lexState)	Switches to the specified lexical state.

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Details

debugStream

public PrintStream debugStream

Debug output.

jjstrLiteralImages

public static final String[] jjstrLiteralImages

Token literal values.

lexStateNames

public static final String[] lexStateNames

Lexer state names.

Constructor Details

DelpParserTokenManager

public DelpParserTokenManager(SimpleCharStream stream)

Constructor for initializing the token manager with the specified input stream.

This constructor sets up the token manager with the provided character stream. It also verifies that the static flag of the character stream is not set.

Parameters:

stream - The SimpleCharStream to be used for token input.

Throws:

Error - if the static flag of the character stream is set.

DelpParserTokenManager

public DelpParserTokenManager(SimpleCharStream stream,
 int lexState)

Constructor for initializing the token manager with the specified input stream and lexical state.

This constructor sets up the token manager with the provided character stream and switches to the specified lexical state.

Parameters:

stream - The SimpleCharStream to be used for token input.

lexState - The initial lexical state to switch to.

Method Details

setDebugStream

public void setDebugStream(PrintStream ds)

Set debug output.

Parameters:

ds - printstream

ReInit

public void ReInit(SimpleCharStream stream)

Reinitializes the token manager with a new input stream.

This method resets the token manager's state and prepares it to process tokens from the new input stream. It also resets the current lexical state to the default.

Parameters:

stream - The new SimpleCharStream to be used for token input.

ReInit

public void ReInit(SimpleCharStream stream,
 int lexState)

Reinitializes the token manager with a new input stream and lexical state.

This method reinitializes the token manager to process tokens from a new input stream and switch to the specified lexical state.

Parameters:

stream - The new SimpleCharStream to be used for token input.

lexState - The initial lexical state to switch to.

SwitchTo

public void SwitchTo(int lexState)

Switches to the specified lexical state.

This method changes the current lexical state of the token manager to the specified state. If the provided state is invalid, an error is thrown.

Parameters:

lexState - The lexical state to switch to.

Throws:

TokenMgrError - if the specified lexical state is invalid.

getNextToken

public Token getNextToken()

Get the next Token.

Returns:

the token