edu.jmu.decaf

Class ASTConditional

java.lang.Object

edu.jmu.decaf.ASTNode

edu.jmu.decaf.ASTStatement

edu.jmu.decaf.ASTConditional

public class ASTConditional
extends ASTStatement

Decaf control structure; a block of code that is only executed if the condition is true when the code is encountered during execution. The conditional statement can optionally contain an additional block of code (the "else" block) that is executed if the condition evaluates to false.

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	condition
ASTBlock	elseBlock
ASTBlock	ifBlock

Fields inherited from class edu.jmu.decaf.ASTNode

attributes

Constructor Summary

Constructors

Constructor and Description
ASTConditional(ASTExpression condition, ASTBlock ifBlock)
ASTConditional(ASTExpression condition, ASTBlock ifBlock, ASTBlock elseBlock)

Method Summary

Modifier and Type	Method and Description
boolean	hasElseBlock()
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

condition

public ASTExpression condition

ifBlock

public ASTBlock ifBlock

elseBlock

public ASTBlock elseBlock

Constructor Detail

ASTConditional

public ASTConditional(ASTExpression condition,
                      ASTBlock ifBlock)

ASTConditional

public ASTConditional(ASTExpression condition,
                      ASTBlock ifBlock,
                      ASTBlock elseBlock)

Method Detail

hasElseBlock

public boolean hasElseBlock()

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