prolog.syntax
Class Scanner

java.lang.Object
  |
  +--prolog.syntax.Scanner

Direct Known Subclasses:

ModelScanner

public class Scanner

extends java.lang.Object

Field Summary

protected int	currentChar
protected int	currentLine
protected int	currentSign
protected java.lang.StringBuffer	currentWord
protected java.io.Reader	source
protected ISymbolTable	symbolTable

Constructor Summary

Scanner(ISymbolTable table)

Method Summary

void	close()
int	getCurrentChar()
int	getCurrentLine()
int	getCurrentSign()
int	getCurrentWord()
int	input()
boolean	isCurrentChar()
boolean	isCurrentWhiteSpace()
void	openDocument(java.io.File f)
void	openDocument(java.io.Reader input)
void	openDocument(java.lang.String text)
void	reset()
void	scanWord()
void	skipWhiteSpace()
boolean	test(char c)

Methods inherited from class java.lang.Object

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

Field Detail

source

protected java.io.Reader source

currentWord

protected java.lang.StringBuffer currentWord

currentChar

protected int currentChar

currentLine

protected int currentLine

currentSign

protected int currentSign

symbolTable

protected ISymbolTable symbolTable

Constructor Detail

Scanner

public Scanner(ISymbolTable table)

Method Detail

reset

public void reset()

openDocument

public void openDocument(java.io.File f)
                  throws java.io.FileNotFoundException

openDocument

public void openDocument(java.lang.String text)

openDocument

public void openDocument(java.io.Reader input)

close

public void close()
           throws java.io.IOException

getCurrentChar

public int getCurrentChar()

getCurrentWord

public int getCurrentWord()

input

public int input()

getCurrentLine

public int getCurrentLine()

getCurrentSign

public int getCurrentSign()

skipWhiteSpace

public void skipWhiteSpace()

test

public boolean test(char c)

isCurrentChar

public boolean isCurrentChar()

isCurrentWhiteSpace

public boolean isCurrentWhiteSpace()

scanWord

public void scanWord()