dk.brics.tajs.flowgraph.jsnodes

Class UnaryOperatorNode

java.lang.Object

dk.brics.tajs.flowgraph.AbstractNode

dk.brics.tajs.flowgraph.jsnodes.Node

dk.brics.tajs.flowgraph.jsnodes.LoadNode

dk.brics.tajs.flowgraph.jsnodes.UnaryOperatorNode

All Implemented Interfaces:

java.io.Serializable, java.lang.Cloneable

public class UnaryOperatorNode
extends LoadNode

Unary operator node.

v_result = <op>(v)

See Also:

Serialized Form

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	UnaryOperatorNode.Op The different kinds of unary operators.

Field Summary

Fields inherited from class dk.brics.tajs.flowgraph.AbstractNode

EXCEPTION_REG, FIRST_ORDINARY_REG, NO_VALUE, RETURN_REG

Constructor Summary

Constructors

Constructor and Description
UnaryOperatorNode(UnaryOperatorNode.Op op, int arg_reg, int result_reg, SourceLocation location) Constructs a new unary operator node.

Method Summary

Modifier and Type	Method and Description
boolean	canThrowExceptions() Returns true if this node may throw exceptions.
void	check(BasicBlock b) Perform a consistency check of this node.
int	getArgRegister() Returns the argument register.
UnaryOperatorNode.Op	getOperator() Returns the operator.
void	setArgRegister(int arg_reg) Sets the argument register.
java.lang.String	toString() Returns a string description of this node.
void	visitBy(NodeVisitor v) Visits this node with the given visitor.

Methods inherited from class dk.brics.tajs.flowgraph.jsnodes.LoadNode

getResultRegister

Methods inherited from class dk.brics.tajs.flowgraph.jsnodes.Node

visitBy

Methods inherited from class dk.brics.tajs.flowgraph.AbstractNode

clone, getBlock, getDuplicateOf, getImplicitAfterCall, getIndex, getSourceLocation, getThisOrDuplicateOf, isArtificial, isRegistersDone, setArtificial, setBlock, setDuplicateOf, setImplicitAfterCall, setIndex, setRegistersDone, setSourceLocation

Methods inherited from class java.lang.Object

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

Constructor Detail

UnaryOperatorNode

public UnaryOperatorNode(UnaryOperatorNode.Op op,
                         int arg_reg,
                         int result_reg,
                         SourceLocation location)

Constructs a new unary operator node.

Parameters:

op - The unary operator.

arg_reg - The register for the argument.

result_reg - The register for the result.

location - The source location.

Method Detail

canThrowExceptions

public boolean canThrowExceptions()

Description copied from class: AbstractNode

Returns true if this node may throw exceptions.

Specified by:

canThrowExceptions in class AbstractNode

check

public void check(BasicBlock b)

Description copied from class: AbstractNode

Perform a consistency check of this node. Default implementation does nothing.

Overrides:

check in class AbstractNode

Parameters:

b - basic block containing this node

getArgRegister

public int getArgRegister()

Returns the argument register.

getOperator

public UnaryOperatorNode.Op getOperator()

Returns the operator.

setArgRegister

public void setArgRegister(int arg_reg)

Sets the argument register.

toString

public java.lang.String toString()

Description copied from class: AbstractNode

Returns a string description of this node.

Specified by:

toString in class AbstractNode

visitBy

public void visitBy(NodeVisitor v)

Description copied from class: Node

Visits this node with the given visitor.

Specified by:

visitBy in class Node