joeq.Compiler.Quad
Class Quad

java.lang.Object
  joeq.Compiler.Quad.Quad

public class Quad
extends java.lang.Object

Version:

$Id: Quad.java,v 1.31 2005/05/05 19:38:13 joewhaley Exp $

Author:

John Whaley

Field Summary

static boolean

DETERMINISTIC

Method Summary

void	accept(QuadVisitor qv) Accepts a quad visitor to this quad.
Quad	copy(int id_number)
boolean	equals(java.lang.Object that)
UnmodifiableList.Operand	getAllOperands()
java.util.List<Operand.RegisterOperand>	getDefinedRegisters() Returns a list of the registers defined by this quad.
int	getID() Returns the id number of this quad.
Operator	getOperator() Return the operator for this quad.
java.util.List<jq_Class>	getThrownExceptions() Returns a list of the types of exceptions that this quad can throw.
java.util.List<Operand.RegisterOperand>	getUsedRegisters() Returns a list of the registers used by this quad.
int	hashCode()
void	interpret(QuadInterpreter s) Interprets this quad, modifying the given interpreter state.
void	setOp1(Operand op)
void	setOp2(Operand op)
void	setOp3(Operand op)
void	setOp4(Operand op)
java.lang.String	toString_short() Returns a short string representation of this quad, without any operands.
java.lang.String	toString() Returns a string representation of this quad.

Methods inherited from class java.lang.Object

getClass, notify, notifyAll, wait, wait, wait

Field Detail

DETERMINISTIC

public static final boolean DETERMINISTIC

See Also:

Constant Field Values

Method Detail

setOp1

public void setOp1(Operand op)

setOp2

public void setOp2(Operand op)

setOp3

public void setOp3(Operand op)

setOp4

public void setOp4(Operand op)

copy

public Quad copy(int id_number)

getAllOperands

public UnmodifiableList.Operand getAllOperands()

getOperator

public Operator getOperator()

Return the operator for this quad.

accept

public void accept(QuadVisitor qv)

Accepts a quad visitor to this quad. For the visitor pattern.

getID

public int getID()

Returns the id number of this quad. THIS NUMBER HOLDS NO MEANING WHATSOEVER. It is just used for printing.

getThrownExceptions

public java.util.List<jq_Class> getThrownExceptions()

Returns a list of the types of exceptions that this quad can throw. Note that types in this list are not exact, therefore subtypes of the returned types may also be thrown.

getDefinedRegisters

public java.util.List<Operand.RegisterOperand> getDefinedRegisters()

Returns a list of the registers defined by this quad.

getUsedRegisters

public java.util.List<Operand.RegisterOperand> getUsedRegisters()

Returns a list of the registers used by this quad.

interpret

public void interpret(QuadInterpreter s)

Interprets this quad, modifying the given interpreter state.

toString

public java.lang.String toString()

Returns a string representation of this quad.

Overrides:

toString in class java.lang.Object

toString_short

public java.lang.String toString_short()

Returns a short string representation of this quad, without any operands.

hashCode

public int hashCode()

Overrides:

hashCode in class java.lang.Object

equals

public boolean equals(java.lang.Object that)

Overrides:

equals in class java.lang.Object