Packages

  • package root
    Definition Classes
    root
  • package org
    Definition Classes
    root
  • package opalj

    OPAL is a Scala-based framework for the static analysis, manipulation and creation of Java bytecode.

    OPAL is a Scala-based framework for the static analysis, manipulation and creation of Java bytecode. OPAL is designed with performance, scalability and adaptability in mind.

    Its main components are:

    • a library (Common) which provides generally useful data-structures and algorithms for static analyses.
    • a framework for parsing Java bytecode (Bytecode Infrastructure) that can be used to create arbitrary representations.
    • a library to create a one-to-one in-memory representation of Java bytecode (Bytecode Disassembler).
    • a library to create a representation of Java bytecode that facilitates writing simple static analyses (Bytecode Representation - org.opalj.br).
    • a scalable, easily customizable framework for the abstract interpretation of Java bytecode (Abstract Interpretation Framework - org.opalj.ai).
    • a library to extract dependencies between code elements and to facilitate checking architecture definitions.
    • a library for the lightweight manipulation and creation of Java bytecode.

    General Design Decisions

    Thread Safety

    Unless explicitly noted, OPAL is thread safe. I.e., the classes defined by OPAL can be considered to be thread safe unless otherwise stated. (For example, it is possible to read and process class files concurrently without explicit synchronization on the client side.)

    No null Values

    Unless explicitly noted, OPAL does not null values I.e., fields that are accessible will never contain null values and methods will never return null. If a method accepts null as a value for a parameter or returns a null value it is always explicitly documented. In general, the behavior of methods that are passed null values is undefined unless explicitly documented.

    No Typecasts for Collections

    For efficiency reasons, OPAL sometimes uses mutable data-structures internally. After construction time, these data-structures are generally represented using their generic interfaces (e.g., scala.collection.{Set,Map}). However, a downcast (e.g., to add/remove elements) is always forbidden as it would effectively prevent thread-safety. Furthermore, the concrete data-structure is always considered an implementation detail and may change at any time.

    Assertions

    OPAL makes heavy use of Scala's Assertion Facility to facilitate writing correct code. Hence, for production builds (after thorough testing(!)) it is highly recommend to build OPAL again using -Xdisable-assertions.

    Definition Classes
    org
  • package ai

    Implementation of an abstract interpretation (ai) framework – also referred to as OPAL.

    Implementation of an abstract interpretation (ai) framework – also referred to as OPAL.

    Please note, that OPAL/the abstract interpreter just refers to the classes and traits defined in this package (ai). The classes and traits defined in the sub-packages (in particular in domain) are not considered to be part of the core of OPAL/the abstract interpreter.

    Definition Classes
    opalj
    Note

    This framework assumes that the analyzed bytecode is valid; i.e., the JVM's bytecode verifier would be able to verify the code. Furthermore, load-time errors (e.g., LinkageErrors) are – by default – completely ignored to facilitate the analysis of parts of a project. In general, if the presented bytecode is not valid, the result is undefined (i.e., OPAL may report meaningless results, crash or run indefinitely).

    See also

    org.opalj.ai.Domain - The core interface between the abstract interpretation framework and the abstract domain that is responsible for performing the abstract computations.

    org.opalj.ai.AI - Implements the abstract interpreter that processes a methods code and uses an analysis-specific domain to perform the abstract computations.

  • package cg
    Definition Classes
    ai
  • MethodCallsDomainWithMethodLockup
t

org.opalj.ai.cg

MethodCallsDomainWithMethodLockup

trait MethodCallsDomainWithMethodLockup extends MethodCallsHandling with Callees

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Inherited
  1. MethodCallsDomainWithMethodLockup
  2. Callees
  3. MethodCallsHandling
  4. MethodCallsDomain
  5. AnyRef
  6. Any
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Type Members

  1. type MethodCallResult = Computation[(MethodCallsDomainWithMethodLockup.this)#DomainValue, (MethodCallsDomainWithMethodLockup.this)#ExceptionValues]
    Definition Classes
    MethodCallsDomain

Abstract Value Members

  1. abstract def cache: CallGraphCache[MethodSignature, Set[Method]]
    Definition Classes
    Callees
  2. abstract def doInvoke(pc: PC, method: Method, operands: (MethodCallsDomainWithMethodLockup.this)#Operands, fallback: () ⇒ (MethodCallsDomainWithMethodLockup.this)#MethodCallResult): (MethodCallsDomainWithMethodLockup.this)#MethodCallResult
    Attributes
    protected[this]
  3. abstract def invokedynamic(pc: PC, bootstrapMethod: BootstrapMethod, name: String, methodDescriptor: MethodDescriptor, operands: (MethodCallsDomainWithMethodLockup.this)#Operands): (MethodCallsDomainWithMethodLockup.this)#MethodCallResult
    Definition Classes
    MethodCallsDomain
  4. implicit abstract def project: SomeProject
    Definition Classes
    Callees

Concrete Value Members

  1. final def !=(arg0: Any): Boolean
    Definition Classes
    AnyRef → Any
  2. final def ##(): Int
    Definition Classes
    AnyRef → Any
  3. final def ==(arg0: Any): Boolean
    Definition Classes
    AnyRef → Any
  4. def MethodCallResult(potentialExceptions: Iterable[(MethodCallsDomainWithMethodLockup.this)#ExceptionValue]): (MethodCallsDomainWithMethodLockup.this)#MethodCallResult

    Factory method called to create a MethodCallResult.

    Factory method called to create a MethodCallResult.

    Attributes
    protected[this]
    Definition Classes
    MethodCallsHandling
  5. def MethodCallResult(returnValue: (MethodCallsDomainWithMethodLockup.this)#DomainValue, exceptions: Iterable[(MethodCallsDomainWithMethodLockup.this)#ExceptionValue]): (MethodCallsDomainWithMethodLockup.this)#MethodCallResult

    Factory method called to create a MethodCallResult.

    Factory method called to create a MethodCallResult.

    Attributes
    protected[this]
    Definition Classes
    MethodCallsHandling
  6. final def asInstanceOf[T0]: T0
    Definition Classes
    Any
  7. def callees(caller: Method, declaringClassType: ObjectType, isInterface: Boolean, name: String, descriptor: MethodDescriptor): Set[Method]
    Definition Classes
    Callees
    Annotations
    @inline()
  8. def clone(): AnyRef
    Attributes
    protected[java.lang]
    Definition Classes
    AnyRef
    Annotations
    @native() @throws( ... )
  9. def doNonVirtualInvoke(pc: PC, declaringType: ObjectType, isInterface: Boolean, name: String, descriptor: MethodDescriptor, operands: (MethodCallsDomainWithMethodLockup.this)#Operands, fallback: () ⇒ (MethodCallsDomainWithMethodLockup.this)#MethodCallResult): (MethodCallsDomainWithMethodLockup.this)#MethodCallResult
    Attributes
    protected[this]
  10. def doVirtualInvoke(pc: PC, declaringType: ObjectType, isInterface: Boolean, name: String, descriptor: MethodDescriptor, operands: (MethodCallsDomainWithMethodLockup.this)#Operands, fallback: () ⇒ (MethodCallsDomainWithMethodLockup.this)#MethodCallResult): (MethodCallsDomainWithMethodLockup.this)#MethodCallResult

    Currently, if we have multiple targets, fallback is called and that result is returned.

    Currently, if we have multiple targets, fallback is called and that result is returned.

    Attributes
    protected[this]
  11. final def eq(arg0: AnyRef): Boolean
    Definition Classes
    AnyRef
  12. def equals(arg0: Any): Boolean
    Definition Classes
    AnyRef → Any
  13. def finalize(): Unit
    Attributes
    protected[java.lang]
    Definition Classes
    AnyRef
    Annotations
    @throws( classOf[java.lang.Throwable] )
  14. final def getClass(): Class[_]
    Definition Classes
    AnyRef → Any
    Annotations
    @native()
  15. def getPotentialExceptions(pc: PC): List[(MethodCallsDomainWithMethodLockup.this)#ExceptionValue]
    Attributes
    protected[this]
    Definition Classes
    MethodCallsHandling
  16. def handleInstanceBasedInvoke(pc: PC, methodDescriptor: MethodDescriptor, targetMethods: Set[Method], receiverIsNull: Answer, operands: (MethodCallsDomainWithMethodLockup.this)#Operands): (MethodCallsDomainWithMethodLockup.this)#MethodCallResult

    methodDescriptor

    The method descriptor as specified by the invoke instruction. In case of the invocation of a signature polymorphic method using org.opalj.br.instructions.INVOKEVIRTUAL the descriptor of the invoked method may differ from the descriptor used by the method. Nevertheless, the MethodCallResult has to satisfy the requirements of the caller. In particular regarding the return type.

    Attributes
    protected[this]
    Definition Classes
    MethodCallsHandling
  17. def handleInstanceBasedInvoke(pc: PC, methodDescriptor: MethodDescriptor, operands: (MethodCallsDomainWithMethodLockup.this)#Operands): (MethodCallsDomainWithMethodLockup.this)#MethodCallResult
    Attributes
    protected[this]
    Definition Classes
    MethodCallsHandling
  18. def handleInstanceBasedInvoke(pc: PC, methodDescriptor: MethodDescriptor, receiverIsNull: Answer): (MethodCallsDomainWithMethodLockup.this)#MethodCallResult
    Attributes
    protected[this]
    Definition Classes
    MethodCallsHandling
  19. def handleInvoke(pc: PC, methodDescriptor: MethodDescriptor): (MethodCallsDomainWithMethodLockup.this)#MethodCallResult
    Attributes
    protected[this]
    Definition Classes
    MethodCallsHandling
  20. def hashCode(): Int
    Definition Classes
    AnyRef → Any
    Annotations
    @native()
  21. def invokeinterface(pc: PC, declaringType: ObjectType, name: String, descriptor: MethodDescriptor, operands: (MethodCallsDomainWithMethodLockup.this)#Operands): (MethodCallsDomainWithMethodLockup.this)#MethodCallResult
  22. def invokespecial(pc: PC, declaringType: ObjectType, isInterface: Boolean, name: String, descriptor: MethodDescriptor, operands: (MethodCallsDomainWithMethodLockup.this)#Operands): (MethodCallsDomainWithMethodLockup.this)#MethodCallResult
  23. def invokestatic(pc: PC, declaringType: ObjectType, isInterface: Boolean, name: String, descriptor: MethodDescriptor, operands: (MethodCallsDomainWithMethodLockup.this)#Operands): (MethodCallsDomainWithMethodLockup.this)#MethodCallResult

    Those invokestatic calls for which we have no concrete method (e.g., the respective class file was never loaded or the method is native) or if have a recursive invocation are delegated to the super class.

    Those invokestatic calls for which we have no concrete method (e.g., the respective class file was never loaded or the method is native) or if have a recursive invocation are delegated to the super class.

    Definition Classes
    MethodCallsDomainWithMethodLockupMethodCallsDomain
  24. def invokevirtual(pc: PC, declaringType: ReferenceType, name: String, descriptor: MethodDescriptor, operands: (MethodCallsDomainWithMethodLockup.this)#Operands): (MethodCallsDomainWithMethodLockup.this)#MethodCallResult
  25. final def isInstanceOf[T0]: Boolean
    Definition Classes
    Any
  26. final def ne(arg0: AnyRef): Boolean
    Definition Classes
    AnyRef
  27. final def notify(): Unit
    Definition Classes
    AnyRef
    Annotations
    @native()
  28. final def notifyAll(): Unit
    Definition Classes
    AnyRef
    Annotations
    @native()
  29. final def synchronized[T0](arg0: ⇒ T0): T0
    Definition Classes
    AnyRef
  30. def toString(): String
    Definition Classes
    AnyRef → Any
  31. final def wait(): Unit
    Definition Classes
    AnyRef
    Annotations
    @throws( ... )
  32. final def wait(arg0: Long, arg1: Int): Unit
    Definition Classes
    AnyRef
    Annotations
    @throws( ... )
  33. final def wait(arg0: Long): Unit
    Definition Classes
    AnyRef
    Annotations
    @native() @throws( ... )

Inherited from Callees

Inherited from MethodCallsHandling

Inherited from MethodCallsDomain

Inherited from AnyRef

Inherited from Any

Ungrouped