edu.jmu.decaf

Class ASTReturn

java.lang.Object

edu.jmu.decaf.ASTNode

edu.jmu.decaf.ASTStatement

edu.jmu.decaf.ASTReturn

public class ASTReturn
extends ASTStatement

Decaf "return" statement (should be inside of a function). When executed, this statement should immediately exit the function and return control flow to the call site. If there is a return value expression (i.e., value is not null), the expression should be fully evaluated and the result should be returned to the caller.

Nested Class Summary

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

ASTNode.DataType

Field Summary

Fields

Modifier and Type	Field and Description
ASTExpression	value

Fields inherited from class edu.jmu.decaf.ASTNode

attributes

Constructor Summary

Constructors

Constructor and Description
ASTReturn()
ASTReturn(ASTExpression value)

Method Summary

Modifier and Type	Method and Description
boolean	hasValue()
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, toString, wait, wait, wait

Field Detail

value

public ASTExpression value

Constructor Detail

ASTReturn

public ASTReturn()

ASTReturn

public ASTReturn(ASTExpression value)

Method Detail

hasValue

public boolean hasValue()

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