Package org.jboss.byteman.rule.expression

Class OperExpression

java.lang.Object

org.jboss.byteman.rule.RuleElement

org.jboss.byteman.rule.expression.Expression

org.jboss.byteman.rule.expression.OperExpression

Direct Known Subclasses:

BinaryOperExpression, TernaryOperExpression, UnaryOperExpression

public abstract class OperExpression
extends Expression

generic operator expression subsumes unary, binary and ternary operators

Field Summary

Fields

Modifier and Type	Field	Description
static final int	AND
static final int	ASSIGN
static final int	BAND
static final int	BINARY
static final int	BOR
static final int	BXOR
static final int	COND
static final int	DIV
static final int	EQ
static final int	GE
static final int	GT
static final int	INSTANCEOF
static final int	LE
static final int	LSH
static final int	LT
static final int	MINUS
static final int	MOD
static final int	MUL
static final int	NE
static final int	NOT
protected int	oper
private static final String[]	operandNames
private static final int[]	operands
static final int	OR
private static final int[]	parserOperands
static final int	PLUS
static final int	RSH
static final int	TERNARY
static final int	TWIDDLE
static final int	UMINUS
static final int	UNARY
static final int	URSH

Fields inherited from class org.jboss.byteman.rule.expression.Expression

charPos, line, rule, token, type

Constructor Summary

Constructors

Constructor	Description
OperExpression(Rule rule, int oper, Type type, ParseNode token)

Method Summary

Modifier and Type	Method	Description
static int	convertOper(int parserOper)
abstract Expression	getOperand(int index)	return the operand with the given index or null if the index is out of range
private String	getOperandString()
void	writeTo(StringWriter stringWriter)

Methods inherited from class org.jboss.byteman.rule.expression.Expression

bind, getPos, getType, interpret, typeCheck

Methods inherited from class org.jboss.byteman.rule.RuleElement

compile, getBindings, getTypeGroup, rebox, toString

Methods inherited from class java.lang.Object

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

Field Details

oper

protected int oper

UNARY

public static final int UNARY

See Also:

• Constant Field Values

BINARY

public static final int BINARY

See Also:

• Constant Field Values

TERNARY

public static final int TERNARY

See Also:

• Constant Field Values

NOT

public static final int NOT

See Also:

• Constant Field Values

TWIDDLE

public static final int TWIDDLE

See Also:

• Constant Field Values

OR

public static final int OR

See Also:

• Constant Field Values

AND

public static final int AND

See Also:

• Constant Field Values

EQ

public static final int EQ

See Also:

• Constant Field Values

NE

public static final int NE

See Also:

• Constant Field Values

GT

public static final int GT

See Also:

• Constant Field Values

LT

public static final int LT

See Also:

• Constant Field Values

GE

public static final int GE

See Also:

• Constant Field Values

LE

public static final int LE

See Also:

• Constant Field Values

BOR

public static final int BOR

See Also:

• Constant Field Values

BAND

public static final int BAND

See Also:

• Constant Field Values

BXOR

public static final int BXOR

See Also:

• Constant Field Values

URSH

public static final int URSH

See Also:

• Constant Field Values

RSH

public static final int RSH

See Also:

• Constant Field Values

LSH

public static final int LSH

See Also:

• Constant Field Values

INSTANCEOF

public static final int INSTANCEOF

See Also:

• Constant Field Values

UMINUS

public static final int UMINUS

See Also:

• Constant Field Values

MUL

public static final int MUL

See Also:

• Constant Field Values

DIV

public static final int DIV

See Also:

• Constant Field Values

PLUS

public static final int PLUS

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

ASSIGN

public static final int ASSIGN

See Also:

• Constant Field Values

COND

public static final int COND

See Also:

• Constant Field Values

operands

private static final int[] operands

parserOperands

private static final int[] parserOperands

operandNames

private static final String[] operandNames

Constructor Details

OperExpression

OperExpression(Rule rule,
 int oper,
 Type type,
 ParseNode token)

Method Details

getOperand

public abstract Expression getOperand(int index)

return the operand with the given index or null if the index is out of range

Parameters:

index - the index

Returns:

the operand with the given index

writeTo

public void writeTo(StringWriter stringWriter)

Specified by:

writeTo in class Expression

getOperandString

private String getOperandString()

convertOper

public static int convertOper(int parserOper)