edu.jmu.decaf

Class ASTUnaryExpr

java.lang.Object

edu.jmu.decaf.ASTNode

edu.jmu.decaf.ASTExpression

edu.jmu.decaf.ASTUnaryExpr

public class ASTUnaryExpr
extends ASTExpression

Unary operation with an operation tag and a child sub-expression. When executed, the program should fully evaluate the child and then apply the given operation to the resulting value.

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	ASTUnaryExpr.UnaryOp List of permitted unary operations.

Nested classes/interfaces inherited from class edu.jmu.decaf.ASTNode

ASTNode.DataType

Field Summary

Fields

Modifier and Type	Field and Description
ASTExpression	child
ASTUnaryExpr.UnaryOp	operator

Fields inherited from class edu.jmu.decaf.ASTNode

attributes

Constructor Summary

Constructors

Constructor and Description
ASTUnaryExpr(ASTUnaryExpr.UnaryOp operator, ASTExpression child)

Method Summary

Modifier and Type	Method and Description
static String	opToString(ASTUnaryExpr.UnaryOp op)
String	toString()
void	traverse(ASTVisitor visitor) Generic traversal method for the visitor pattern.

Methods inherited from class edu.jmu.decaf.ASTNode

getASTTypeStr, getDepth, getParent, getSourceInfo, getType, setDepth, setParent, setSourceInfo, setType, typeToString

Methods inherited from class java.lang.Object

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

Field Detail

operator

public ASTUnaryExpr.UnaryOp operator

child

public ASTExpression child

Constructor Detail

ASTUnaryExpr

public ASTUnaryExpr(ASTUnaryExpr.UnaryOp operator,
                    ASTExpression child)

Method Detail

opToString

public static String opToString(ASTUnaryExpr.UnaryOp op)

traverse

public void traverse(ASTVisitor visitor)

Description copied from class: ASTNode

Generic traversal method for the visitor pattern. This will be overloaded by all child classes.

Overrides:

traverse in class ASTNode

Parameters:

visitor - Visitor object

toString

public String toString()

Overrides:

toString in class Object