Class IfStmt

java.lang.Object

EDU.purdue.cs.bloat.tree.Node

EDU.purdue.cs.bloat.tree.Stmt

EDU.purdue.cs.bloat.tree.JumpStmt

EDU.purdue.cs.bloat.tree.IfStmt

Direct Known Subclasses:

IfCmpStmt, IfZeroStmt

public abstract class IfStmt
extends JumpStmt

IfStmt is a super class of statements in which some expression is evaluated and one of two branches is taken.

See Also:

• IfCmpStmt
• IfZeroStmt

Field Summary

Fields

Modifier and Type	Field	Description
static final int	EQ
static final int	GE
static final int	GT
static final int	LE
static final int	LT
static final int	NE

Fields inherited from class Node

parent

Constructor Summary

Constructors

Constructor	Description
IfStmt(int comparison, Block trueTarget, Block falseTarget)	Constructor.

Method Summary

Modifier and Type	Method	Description
int	comparison()
Block	falseTarget()
void	negate()	Set the comparison operator for this if statement to its logical negative.
void	setFalseTarget(Block target)
void	setTrueTarget(Block target)
Block	trueTarget()

Methods inherited from class JumpStmt

catchTargets, copyInto

Methods inherited from class Stmt

cleanupOnly, clone

Methods inherited from class Node

block, cleanup, hasParent, key, parent, replaceWith, replaceWith, setKey, setParent, setValueNumber, toString, valueNumber, visit, visitChildren, visitForceChildren, visitOnly

Methods inherited from class Object

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

Field Details

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

GE

public static final int GE

See Also:

• Constant Field Values

LT

public static final int LT

See Also:

• Constant Field Values

LE

public static final int LE

See Also:

• Constant Field Values

Constructor Details

IfStmt

public IfStmt(int comparison,
 Block trueTarget,
 Block falseTarget)

Constructor.

Parameters:

comparison - Comparison operator used in this if statement.

trueTarget - Basic Block that is executed when if statement is true.

falseTarget - Basic Block that is executed when if statement is false.

Method Details

comparison

public int comparison()

Returns:

Comparison operator for this if statement.

negate

public void negate()

Set the comparison operator for this if statement to its logical negative.

setTrueTarget

public void setTrueTarget(Block target)

setFalseTarget

public void setFalseTarget(Block target)

trueTarget

public Block trueTarget()

falseTarget

public Block falseTarget()