uk.ac.man.cs.rainbow.compiler.parser
Class ASCII_CharStream

java.lang.Object
  |
  +--uk.ac.man.cs.rainbow.compiler.parser.ASCII_CharStream

public final class ASCII_CharStream

extends Object

An implementation of interface CharStream, where the stream is assumed to contain only ASCII characters (without unicode processing).

Field Summary

int	bufpos
static boolean	staticFlag

Constructor Summary

ASCII_CharStream(InputStream dstream, int startline, int startcolumn)

ASCII_CharStream(InputStream dstream, int startline, int startcolumn, int buffersize)

Method Summary

void	adjustBeginLineColumn(int newLine, int newCol) Method to adjust line and column numbers for the start of a token.
void	backup(int amount)
char	BeginToken()
void	Done()
int	getBeginColumn()
int	getBeginLine()
int	getColumn() Deprecated.
int	getEndColumn()
int	getEndLine()
String	GetImage()
int	getLine() Deprecated.
byte[]	GetSuffix(int len)
char	readChar()
void	ReInit(InputStream dstream, int startline, int startcolumn)
void	ReInit(InputStream dstream, int startline, int startcolumn, int buffersize)

Methods inherited from class java.lang.Object

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

Field Detail

staticFlag

public static final boolean staticFlag

bufpos

public int bufpos

Constructor Detail

ASCII_CharStream

public ASCII_CharStream(InputStream dstream,
                        int startline,
                        int startcolumn,
                        int buffersize)

ASCII_CharStream

public ASCII_CharStream(InputStream dstream,
                        int startline,
                        int startcolumn)

Method Detail

BeginToken

public final char BeginToken()
                      throws IOException

readChar

public final char readChar()
                    throws IOException

getColumn

public final int getColumn()

Deprecated.

See Also:

getEndColumn()

getLine

public final int getLine()

Deprecated.

See Also:

getEndLine()

getEndColumn

public final int getEndColumn()

getEndLine

public final int getEndLine()

getBeginColumn

public final int getBeginColumn()

getBeginLine

public final int getBeginLine()

backup

public final void backup(int amount)

ReInit

public void ReInit(InputStream dstream,
                   int startline,
                   int startcolumn,
                   int buffersize)

ReInit

public void ReInit(InputStream dstream,
                   int startline,
                   int startcolumn)

GetImage

public final String GetImage()

GetSuffix

public final byte[] GetSuffix(int len)

Done

public void Done()

adjustBeginLineColumn

public void adjustBeginLineColumn(int newLine,
                                  int newCol)

Method to adjust line and column numbers for the start of a token.