Package org.jboss.byteman.rule.grammar

Class ParseNode

java.lang.Object

org.jboss.byteman.rule.grammar.ParseNode

Direct Known Subclasses:

ParseNode.BinaryNode, ParseNode.NullaryNode, ParseNode.QuaternaryNode, ParseNode.TernaryNode, ParseNode.UnaryNode

public abstract class ParseNode
extends java.lang.Object

Class used by the JavaCUP parser to construct a parse tree.

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
private static class	ParseNode.BinaryNode	a parse node with two children
private static class	ParseNode.NullaryNode	a parse node with no children
private static class	ParseNode.QuaternaryNode	a parse node with four children
private static class	ParseNode.TernaryNode	a parse node with three children
private static class	ParseNode.UnaryNode	a parse node with one child

Field Summary

Fields

Modifier and Type	Field	Description
static int	AND
static int	ARRAY
static int	ARRAY_INIT
static int	ASSIGN
static int	BAND
static int	BIND
static int	BINOP
static int	BOOLEAN_LITERAL
static int	BOR
static int	BXOR
static int	CLASS
static int	COLON
private int	column	the column position for this node
static int	COMMA
static int	DIV
static int	DOLLAR
static int	EQ
static int	FIELD
private java.lang.String	file	the script file containing the text form which this node was parsed
static int	FLOAT_LITERAL
static int	GE
static int	GT
static int	IDENTIFIER
static int	INSTANCEOF
static int	INTEGER_LITERAL
static int	LE
private int	line	the line position fo rthis node
static int	LSH
static int	LT
static int	METH
static int	MINUS
static int	MOD
static int	MUL
static int	NE
static int	NEW
static int	NOT
static int	NOTHING
static int	NULL_LITERAL
static int	OR
static int	PATH
static int	PLUS
static int	RETURN
static int	RSH
static int	SEMI
static int	STRING_LITERAL
private int	tag	the type tag for this node
static int	TERNOP
static int	THROW
static int	TWIDDLE
static int	UMINUS
static int	UNOP
static int	URSH

Constructor Summary

Constructors

Modifier	Constructor	Description
protected	ParseNode(int tag, java.lang.String file, int line, int column)	generic constructor

Method Summary

Modifier and Type	Method	Description
abstract java.lang.Object	getChild(int idx)	get the nth child for this node or null if the index exceeds the child count
abstract int	getChildCount()	get the child count for this node
int	getColumn()	get the column position for this node
int	getLine()	get the line position for this node
java.lang.String	getPos()	get a string representing the position for this node
int	getTag()	get the tag for this node
abstract java.lang.String	getText()	get the display representation of this node
static ParseNode	node(int tag, java.lang.String file, int line, int column)	create a simple node for a builtin token
static ParseNode	node(int tag, java.lang.String file, int line, int column, java.lang.Object child0)	create a simple node for a builtin token
static ParseNode	node(int tag, java.lang.String file, int line, int column, java.lang.Object child0, java.lang.Object child1)	create a simple node for a builtin token
static ParseNode	node(int tag, java.lang.String file, int line, int column, java.lang.Object child0, java.lang.Object child1, java.lang.Object child2)	create a simple node for a builtin token
static ParseNode	node(int tag, java.lang.String file, int line, int column, java.lang.Object child0, java.lang.Object child1, java.lang.Object child2, java.lang.Object child3)	create a simple node for a builtin token

Methods inherited from class java.lang.Object

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

Field Detail

ARRAY

public static final int ARRAY

See Also:

Constant Field Values

ASSIGN

public static final int ASSIGN

See Also:

Constant Field Values

BIND

public static final int BIND

See Also:

Constant Field Values

BINOP

public static final int BINOP

See Also:

Constant Field Values

BOOLEAN_LITERAL

public static final int BOOLEAN_LITERAL

See Also:

Constant Field Values

COMMA

public static final int COMMA

See Also:

Constant Field Values

COLON

public static final int COLON

See Also:

Constant Field Values

FIELD

public static final int FIELD

See Also:

Constant Field Values

FLOAT_LITERAL

public static final int FLOAT_LITERAL

See Also:

Constant Field Values

IDENTIFIER

public static final int IDENTIFIER

See Also:

Constant Field Values

INTEGER_LITERAL

public static final int INTEGER_LITERAL

See Also:

Constant Field Values

METH

public static final int METH

See Also:

Constant Field Values

NOTHING

public static final int NOTHING

See Also:

Constant Field Values

PATH

public static final int PATH

See Also:

Constant Field Values

RETURN

public static final int RETURN

See Also:

Constant Field Values

SEMI

public static final int SEMI

See Also:

Constant Field Values

STRING_LITERAL

public static final int STRING_LITERAL

See Also:

Constant Field Values

TERNOP

public static final int TERNOP

See Also:

Constant Field Values

THROW

public static final int THROW

See Also:

Constant Field Values

UNOP

public static final int UNOP

See Also:

Constant Field Values

NEW

public static final int NEW

See Also:

Constant Field Values

NULL_LITERAL

public static final int NULL_LITERAL

See Also:

Constant Field Values

CLASS

public static final int CLASS

See Also:

Constant Field Values

ARRAY_INIT

public static final int ARRAY_INIT

See Also:

Constant Field Values

AND

public static final int AND

See Also:

Constant Field Values

BAND

public static final int BAND

See Also:

Constant Field Values

BOR

public static final int BOR

See Also:

Constant Field Values

BXOR

public static final int BXOR

See Also:

Constant Field Values

DIV

public static final int DIV

See Also:

Constant Field Values

DOLLAR

public static final int DOLLAR

See Also:

Constant Field Values

EQ

public static final int EQ

See Also:

Constant Field Values

GE

public static final int GE

See Also:

Constant Field Values

GT

public static final int GT

See Also:

Constant Field Values

LE

public static final int LE

See Also:

Constant Field Values

LT

public static final int LT

See Also:

Constant Field Values

MINUS

public static final int MINUS

See Also:

Constant Field Values

MOD

public static final int MOD

See Also:

Constant Field Values

MUL

public static final int MUL

See Also:

Constant Field Values

NE

public static final int NE

See Also:

Constant Field Values

NOT

public static final int NOT

See Also:

Constant Field Values

OR

public static final int OR

See Also:

Constant Field Values

PLUS

public static final int PLUS

See Also:

Constant Field Values

TWIDDLE

public static final int TWIDDLE

See Also:

Constant Field Values

UMINUS

public static final int UMINUS

See Also:

Constant Field Values

LSH

public static final int LSH

See Also:

Constant Field Values

RSH

public static final int RSH

See Also:

Constant Field Values

URSH

public static final int URSH

See Also:

Constant Field Values

INSTANCEOF

public static final int INSTANCEOF

See Also:

Constant Field Values

tag

private int tag

the type tag for this node

file

private java.lang.String file

the script file containing the text form which this node was parsed

line

private int line

the line position fo rthis node

column

private int column

the column position for this node

Constructor Detail

ParseNode

protected ParseNode(int tag,
                    java.lang.String file,
                    int line,
                    int column)

generic constructor

Parameters:

tag - identifies the type of this node

file - identifies the file containing the node's text

line - identifies the start line for this node's text

column - identifies the start columen for this node's text

Method Detail

getTag

public int getTag()

get the tag for this node

Returns:

the tag for this node

getLine

public int getLine()

get the line position for this node

Returns:

the line position for this node

getColumn

public int getColumn()

get the column position for this node

Returns:

the column position for this node

getChildCount

public abstract int getChildCount()

get the child count for this node

Returns:

the child count for this node

getChild

public abstract java.lang.Object getChild(int idx)

get the nth child for this node or null if the index exceeds the child count

Parameters:

idx - the child index

Returns:

the nth child for this node

getText

public abstract java.lang.String getText()

get the display representation of this node

Returns:

the display representation of this node

getPos

public java.lang.String getPos()

get a string representing the position for this node

Returns:

a string representing the position for this node

node

public static ParseNode node(int tag,
                             java.lang.String file,
                             int line,
                             int column)

create a simple node for a builtin token

Parameters:

tag - identifies the type of this node

file - identifies the file containing the node's text

line - identifies the start line for this node's text

column - identifies the start columen for this node's text

Returns:

a simple node for a builtin token

node

public static ParseNode node(int tag,
                             java.lang.String file,
                             int line,
                             int column,
                             java.lang.Object child0)

create a simple node for a builtin token

Parameters:

tag - identifies the type of this node

file - identifies the file containing the node's text

line - identifies the start line for this node's text

column - identifies the start columen for this node's text

child0 - the first child for this node

Returns:

a simple node for a builtin token

node

public static ParseNode node(int tag,
                             java.lang.String file,
                             int line,
                             int column,
                             java.lang.Object child0,
                             java.lang.Object child1)

create a simple node for a builtin token

Parameters:

tag - identifies the type of this node

file - identifies the file containing the node's text

line - identifies the start line for this node's text

column - identifies the start columen for this node's text

child0 - the first child for this node

child1 - the second child for this node

Returns:

a simple node for a builtin token

node

public static ParseNode node(int tag,
                             java.lang.String file,
                             int line,
                             int column,
                             java.lang.Object child0,
                             java.lang.Object child1,
                             java.lang.Object child2)

create a simple node for a builtin token

Parameters:

tag - identifies the type of this node

file - identifies the file containing the node's text

line - identifies the start line for this node's text

column - identifies the start columen for this node's text

child0 - the first child for this node

child1 - the second child for this node

child2 - the third child for this node

Returns:

a simple node for a builtin token

node

public static ParseNode node(int tag,
                             java.lang.String file,
                             int line,
                             int column,
                             java.lang.Object child0,
                             java.lang.Object child1,
                             java.lang.Object child2,
                             java.lang.Object child3)

create a simple node for a builtin token

Parameters:

tag - identifies the type of this node

file - identifies the file containing the node's text

line - identifies the start line for this node's text

column - identifies the start columen for this node's text

child0 - the first child for this node

child1 - the second child for this node

child2 - the third child for this node

child3 - the fourth child for this node

Returns:

a simple node for a builtin token