Package org.jboss.byteman.rule.expression

Class BinaryOperExpression

java.lang.Object

org.jboss.byteman.rule.RuleElement

org.jboss.byteman.rule.expression.Expression

org.jboss.byteman.rule.expression.OperExpression

org.jboss.byteman.rule.expression.BinaryOperExpression

Direct Known Subclasses:

ArithmeticExpression, AssignExpression, BitExpression, BooleanExpression, PlusExpression, ShiftExpression, StringPlusExpression

public abstract class BinaryOperExpression
extends OperExpression

binary operators includes arithmetic and comparison operators

Field Summary

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

charPos, line, rule, token, type

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

AND, ASSIGN, BAND, BINARY, BOR, BXOR, COND, DIV, EQ, GE, GT, LE, LSH, LT, MINUS, MOD, MUL, NE, NOT, oper, OR, PLUS, RSH, TERNARY, TWIDDLE, UMINUS, UNARY, URSH

Constructor Summary

Constructors

Constructor	Description
BinaryOperExpression(Rule rule, int oper, Type type, ParseNode token, Expression operand1, Expression operand2)

Method Summary

Modifier and Type	Method	Description
void	bind()	verify that variables mentioned in this expression are actually available in the supplied bindings list and infer/validate the type of this expression or its subexpressions where possible
Expression	getOperand(int index)	return the operand with the given index or null if the index is out of range

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

getPos, getType, interpret, typeCheck

Methods inherited from class java.lang.Object

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

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

convertOper, writeTo

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

compile, getBindings, getTypeGroup, rebox, toString

Constructor Detail

BinaryOperExpression

public BinaryOperExpression(Rule rule,
                            int oper,
                            Type type,
                            ParseNode token,
                            Expression operand1,
                            Expression operand2)

Method Detail

bind

public void bind()
          throws TypeException

verify that variables mentioned in this expression are actually available in the supplied bindings list and infer/validate the type of this expression or its subexpressions where possible

Specified by:

bind in class Expression

Throws:

TypeException - if any variable is missing or has the wrong type

getOperand

public Expression getOperand(int index)

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

Specified by:

getOperand in class OperExpression

Parameters:

index - the index

Returns:

the operand with the given index