Class TreePatternLexer

java.lang.Object

org.antlr.runtime.tree.TreePatternLexer

public class TreePatternLexer
extends Object

Field Summary

Fields

Modifier and Type	Field	Description
static final int	ARG
static final int	BEGIN
protected int	c	Current char
static final int	COLON
static final int	DOT
static final int	END
static final int	EOF
boolean	error
static final int	ID
protected int	n	How long is the pattern in char?
protected int	p	Index into input string
protected String	pattern	The tree pattern to lex like "(A B C)"
static final int	PERCENT
StringBuffer	sval	Set when token type is ID or ARG (name mimics Java's StreamTokenizer)

Constructor Summary

Constructors

Constructor	Description
TreePatternLexer(String pattern)

Method Summary

Modifier and Type	Method	Description
protected void	consume()
int	nextToken()

Methods inherited from class Object

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

Field Details

EOF

public static final int EOF

See Also:

• Constant Field Values

BEGIN

public static final int BEGIN

See Also:

• Constant Field Values

END

public static final int END

See Also:

• Constant Field Values

ID

public static final int ID

See Also:

• Constant Field Values

ARG

public static final int ARG

See Also:

• Constant Field Values

PERCENT

public static final int PERCENT

See Also:

• Constant Field Values

COLON

public static final int COLON

See Also:

• Constant Field Values

DOT

public static final int DOT

See Also:

• Constant Field Values

pattern

protected String pattern

The tree pattern to lex like "(A B C)"

p

protected int p

Index into input string

c

protected int c

Current char

n

protected int n

How long is the pattern in char?

sval

public StringBuffer sval

Set when token type is ID or ARG (name mimics Java's StreamTokenizer)

error

public boolean error

Constructor Details

TreePatternLexer

public TreePatternLexer(String pattern)

Method Details

nextToken

public int nextToken()

consume

protected void consume()