lp.parse
Class LpToken

java.lang.Object
  lp.parse.LpToken

public class LpToken
extends Object

An immutable container for information about 1 token in an input created by a LpLexer. Contains a type, the corresponding lexem, line number and the position within the line.

Version:

1.0.0

Author:

Martin Slota

See Also:

LpLexer, LpTokenType

Field Summary

private String	lexem The corresponding lexem.
private int	lineNumber Number of the line where the token occurs.
private int	position Position within the line where the token occurs.
private LpTokenType	type Type of the token.

Constructor Summary

LpToken(LpTokenType type, String lexem, int lineNumber, int position)
Creates a new instance.

Method Summary

String	getLexem() Returns the corresponding lexem.
int	getLineNumber() Returns the position within the line where the token occurs.
int	getPosition() Returns the number of the line where the token occurs.
LpTokenType	getType() Returns the type of the token.

Methods inherited from class java.lang.Object

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

Field Detail

type

private final LpTokenType type

Type of the token.

lexem

private final String lexem

The corresponding lexem.

lineNumber

private final int lineNumber

Number of the line where the token occurs. Lines are numbered from 1.

position

private final int position

Position within the line where the token occurs. Numbered from 1.

Constructor Detail

LpToken

public LpToken(LpTokenType type,
               String lexem,
               int lineNumber,
               int position)

Creates a new instance.

Parameters:

type - type of the token.

lexem - the corresponding lexem.

lineNumber - number of the line where the token occurs.

position - position within the line where the token occurs.

Method Detail

getType

public LpTokenType getType()

Returns the type of the token.

Returns:

the type of the token

getLexem

public String getLexem()

Returns the corresponding lexem.

Returns:

the corresponding lexem.

getPosition

public int getPosition()

Returns the number of the line where the token occurs.

Returns:

the number of the line where the token occurs.

getLineNumber

public int getLineNumber()

Returns the position within the line where the token occurs.

Returns:

the position within the line where the token occurs.