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org.opalj.tac.fpcf.analyses.escape

ReturnValueFreshnessAnalysis

class ReturnValueFreshnessAnalysis extends FPCFAnalysis

This analysis determines for a given method whether the return value is a fresh object that is created by the method (or its callees) and that does not escape other than org.opalj.br.fpcf.properties.EscapeViaReturn.

In other words, it aggregates the escape information for allocation-sites that are used as return value.

Source
ReturnValueFreshnessAnalysis.scala
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  1. ReturnValueFreshnessAnalysis
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  1. final def !=(arg0: Any): Boolean
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  2. final def ##(): Int
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  4. final def asInstanceOf[T0]: T0
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  5. final def ch: ClassHierarchy
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  6. implicit final def classHierarchy: ClassHierarchy
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  7. def clone(): AnyRef
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    protected[lang]
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    @throws( ... ) @native() @IntrinsicCandidate()
  8. def continuation(someEPS: SomeEPS)(implicit state: ReturnValueFreshnessState): ProperPropertyComputationResult

    A continuation function, that handles updates for the escape state.

  9. def determineFreshness(e: Entity): ProperPropertyComputationResult

    Ensures that we invoke doDetermineFreshness for org.opalj.br.DefinedMethods only.

  10. def determineFreshnessForMethod(dm: DefinedMethod, code: Array[Stmt[V]])(implicit state: ReturnValueFreshnessState): ProperPropertyComputationResult
  11. def doDetermineFreshness(dm: DefinedMethod): ProperPropertyComputationResult

    Determines the return value freshness for an org.opalj.br.DefinedMethod.

  12. final def eq(arg0: AnyRef): Boolean
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  13. def equals(arg0: Any): Boolean
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  14. final def getClass(): Class[_]
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    @native() @IntrinsicCandidate()
  15. def getTACAICode(method: Method)(implicit state: ReturnValueFreshnessState): Option[Array[Stmt[V]]]

    Returns the TACode for a method if available, registering dependencies as necessary.

  16. def handleCallSite(caller: DeclaredMethod, pc: Int)(implicit state: ReturnValueFreshnessState): Boolean
  17. def handleEscapeProperty(ep: EOptionP[DefinitionSite, EscapeProperty])(implicit state: ReturnValueFreshnessState): Boolean

    Handles the influence of an escape property on the return value freshness.

    Handles the influence of an escape property on the return value freshness.

    returns

    false if the return value may still be fresh, true otherwise.

    Note

    (Re-)Adds dependees as necessary.

  18. def handleFieldLocalityProperty(ep: EOptionP[Field, FieldLocality])(implicit state: ReturnValueFreshnessState): Boolean

    Handles the influence of a field locality property on the return value freshness.

    Handles the influence of a field locality property on the return value freshness.

    returns

    false if the return value may still be fresh, true otherwise.

    Note

    (Re-)Adds dependees as necessary.

  19. def handleReturnValueFreshness(ep: EOptionP[DeclaredMethod, ReturnValueFreshness])(implicit state: ReturnValueFreshnessState): Boolean

    Handles the influence of a callee's return value freshness on the return value freshness.

    Handles the influence of a callee's return value freshness on the return value freshness.

    returns

    false if the return value may still be fresh, true otherwise.

    Note

    (Re-)Adds dependees as necessary.

  20. def hashCode(): Int
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  21. final def isInstanceOf[T0]: Boolean
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  22. implicit final def logContext: LogContext
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  23. final def ne(arg0: AnyRef): Boolean
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  24. final def notify(): Unit
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  25. final def notifyAll(): Unit
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  26. implicit final def p: SomeProject
    Definition Classes
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  27. final val project: SomeProject
  28. implicit final val propertyStore: PropertyStore
    Definition Classes
    FPCFAnalysis
  29. final def ps: PropertyStore
    Definition Classes
    FPCFAnalysis
  30. def returnResult(implicit state: ReturnValueFreshnessState): ProperPropertyComputationResult
  31. final def synchronized[T0](arg0: ⇒ T0): T0
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  32. def toString(): String
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  33. final def wait(arg0: Long, arg1: Int): Unit
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  35. final def wait(): Unit
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  1. def finalize(): Unit
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Inherited from FPCFAnalysis

Inherited from ProjectBasedAnalysis

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