Package org.tweetyproject.preferences.io

Class UPParserTokenManager

java.lang.Object

org.tweetyproject.preferences.io.UPParserTokenManager

All Implemented Interfaces:

UPParserConstants

public class UPParserTokenManager
extends Object
implements UPParserConstants

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.preferences.io.UPParserConstants

DEFAULT, ELEMENT, EOF, EOL, INDEX, LBRA, OPERATION, RBRA, tokenImage

Constructor Summary

Constructors

Constructor	Description
UPParserTokenManager(SimpleCharStream stream)	Token manager for parsing with the given input stream.
UPParserTokenManager(SimpleCharStream stream, int lexState)	Token manager for parsing with the given input stream and initial lexical state.

Method Summary

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

UPParserTokenManager

public UPParserTokenManager(SimpleCharStream stream)

Token manager for parsing with the given input stream.

Parameters:

stream - the simple

UPParserTokenManager

public UPParserTokenManager(SimpleCharStream stream,
 int lexState)

Token manager for parsing with the given input stream and initial lexical state.

Parameters:

stream - The input stream to be used by the token manager.

lexState - The initial lexical state to switch to.

Method Details

setDebugStream

public void setDebugStream(PrintStream ds)

Set debug output.

Parameters:

ds - print stream

ReInit

public void ReInit(SimpleCharStream stream)

Reinitializes the parser with a new input stream, resetting to default lexical state.

Parameters:

stream - The new input stream to be used.

ReInit

public void ReInit(SimpleCharStream stream,
 int lexState)

Reinitializes the parser with a new input stream and sets the lexical state.

Parameters:

stream - The new input stream to be used.

lexState - The lexical state to switch to.

SwitchTo

public void SwitchTo(int lexState)

Switches the lexical analyzer to a specified lexical state.

Parameters:

lexState - The new lexical state to switch to.

Throws:

TokenMgrError - If the specified lexical state is invalid.

getNextToken

public Token getNextToken()

Get the next Token.

Returns:

token