org.apache.flex.compiler.common

Class RecursionGuard

java.lang.Object

org.apache.flex.compiler.common.RecursionGuard

public class RecursionGuard
extends Object

Recursion guard that can be used throughout code model to make sure we don't infinitely recurse when performing type lookups, etc. Since user code is not guaranteed to follow language rules, these are very important to avoid loops.

Field Summary

Fields

Modifier and Type	Field and Description
boolean	foundLoop
HashSet<IDefinition>	visitedDefinitions

Constructor Summary

Constructors

Constructor and Description
RecursionGuard()
RecursionGuard(IDefinition initialDefinition) Create a guard that is pre-populated with the passed in definition.
RecursionGuard(RecursionGuard other)

Method Summary

Methods

Modifier and Type	Method and Description
boolean	isLoop(IDefinition target)

Methods inherited from class java.lang.Object

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

Field Detail

visitedDefinitions

public HashSet<IDefinition> visitedDefinitions

foundLoop

public boolean foundLoop

Constructor Detail

RecursionGuard

public RecursionGuard()

RecursionGuard

public RecursionGuard(RecursionGuard other)

RecursionGuard

public RecursionGuard(IDefinition initialDefinition)

Create a guard that is pre-populated with the passed in definition. the definition will be considered visited

Parameters:

initialDefinition - the IDefinition to mark as visited

Method Detail

isLoop

public boolean isLoop(IDefinition target)