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scala.tools.nsc.backend.jvm.opt

BytecodeUtils

object BytecodeUtils

Source
BytecodeUtils.scala
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Type Members

  1. implicit final class AnalyzerExtensions[V <: Value] extends AnyVal
  2. implicit final class FrameExtensions[V <: Value] extends AnyVal

Value Members

  1. final def !=(arg0: Any): Boolean
    Definition Classes
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  2. final def ##(): Int
    Definition Classes
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  3. final def ==(arg0: Any): Boolean
    Definition Classes
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  4. final def asInstanceOf[T0]: T0
    Definition Classes
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  5. def clone(): AnyRef
    Attributes
    protected[lang]
    Definition Classes
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    Annotations
    @throws( ... ) @native()
  6. def cloneLabels(methodNode: MethodNode): Map[LabelNode, LabelNode]
  7. def cloneLocalVariableNodes(methodNode: MethodNode, labelMap: Map[LabelNode, LabelNode], calleeMethodName: String, shift: Int): List[LocalVariableNode]

    Clone the local variable descriptors of methodNode and map their start and end labels according to the labelMap.

  8. def cloneTryCatchBlockNodes(methodNode: MethodNode, labelMap: Map[LabelNode, LabelNode]): List[TryCatchBlockNode]

    Clone the local try/catch blocks of methodNode and map their start and end and handler labels according to the labelMap.

  9. def codeSizeOKForInlining(caller: MethodNode, callee: MethodNode): Boolean
  10. final def eq(arg0: AnyRef): Boolean
    Definition Classes
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  11. def equals(arg0: Any): Boolean
    Definition Classes
    AnyRef → Any
  12. def finalJumpTarget(source: JumpInsnNode): LabelNode
  13. def finalize(): Unit
    Attributes
    protected[lang]
    Definition Classes
    AnyRef
    Annotations
    @throws( classOf[java.lang.Throwable] )
  14. def fixLoadedNothingOrNullValue(loadedType: Type, loadInstr: AbstractInsnNode, methodNode: MethodNode, bTypes: BTypes): Unit

    This method is used by optimizer components to eliminate phantom values of instruction that load a value of type Nothing$ or Null$.

    This method is used by optimizer components to eliminate phantom values of instruction that load a value of type Nothing$ or Null$. Such values on the stack don't interact well with stack map frames.

    For example, opt.getOrElse(throw e) is re-written to an invocation of the lambda body, a method with return type Nothing$. Similarly for opt.getOrElse(null) and Null$.

    During bytecode generation this is handled by BCodeBodyBuilder.adapt. See the comment in that method which explains the issue with such phantom values.

  15. final def getClass(): Class[_]
    Definition Classes
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    Annotations
    @native()
  16. def getPop(size: Int): InsnNode
  17. def hasCallerSensitiveAnnotation(methodNode: MethodNode): Boolean
  18. def hashCode(): Int
    Definition Classes
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    Annotations
    @native()
  19. def instructionResultSize(insn: AbstractInsnNode): Int
  20. def isAbstractMethod(methodNode: MethodNode): Boolean
  21. def isCall(instruction: AbstractInsnNode): Boolean
  22. def isConditionalJump(instruction: AbstractInsnNode): Boolean
  23. def isConstructor(methodNode: MethodNode): Boolean
  24. def isExecutable(instruction: AbstractInsnNode): Boolean
  25. def isFinalClass(classNode: ClassNode): Boolean
  26. def isFinalMethod(methodNode: MethodNode): Boolean
  27. final def isInstanceOf[T0]: Boolean
    Definition Classes
    Any
  28. def isInterface(classNode: ClassNode): Boolean
  29. def isJumpNonJsr(instruction: AbstractInsnNode): Boolean
  30. def isLoad(instruction: AbstractInsnNode): Boolean
  31. def isLoadOrStore(instruction: AbstractInsnNode): Boolean
  32. def isLoadStoreOrRet(instruction: AbstractInsnNode): Boolean
  33. def isNativeMethod(methodNode: MethodNode): Boolean
  34. def isNonVirtualCall(instruction: AbstractInsnNode): Boolean
  35. def isPrivateMethod(methodNode: MethodNode): Boolean
  36. def isPublicMethod(methodNode: MethodNode): Boolean
  37. def isReference(t: Type): Boolean
  38. def isReturn(instruction: AbstractInsnNode): Boolean
  39. def isSize2LoadOrStore(opcode: Int): Boolean
  40. def isStaticMethod(methodNode: MethodNode): Boolean
  41. def isStore(instruction: AbstractInsnNode): Boolean
  42. def isStrictfpMethod(methodNode: MethodNode): Boolean
  43. def isSynchronizedMethod(methodNode: MethodNode): Boolean
  44. def isVarargsMethod(methodNode: MethodNode): Boolean
  45. def isVirtualCall(instruction: AbstractInsnNode): Boolean
  46. def loadZeroForTypeSort(sort: Int): InsnNode
  47. final val maxJVMMethodSize: Int(65535)
  48. final val maxMethodSizeAfterInline: Int
  49. final def ne(arg0: AnyRef): Boolean
    Definition Classes
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  50. def negateJumpOpcode(jumpOpcode: Int): Int
  51. def newLabelNode: LabelNode

    Create a new LabelNode with a correctly associated Label.

  52. def nextExecutableInstruction(insn: AbstractInsnNode, alsoKeep: (AbstractInsnNode) ⇒ Boolean = Set()): Option[AbstractInsnNode]
    Annotations
    @tailrec()
  53. def nextExecutableInstructionOrLabel(insn: AbstractInsnNode): Option[AbstractInsnNode]
    Annotations
    @tailrec()
  54. final def notify(): Unit
    Definition Classes
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    Annotations
    @native()
  55. final def notifyAll(): Unit
    Definition Classes
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    Annotations
    @native()
  56. def parametersSize(methodNode: MethodNode): Int

    The number of local variable slots used for parameters and for the this reference.

  57. def previousExecutableInstruction(insn: AbstractInsnNode, stopBefore: (AbstractInsnNode) ⇒ Boolean = Set()): Option[AbstractInsnNode]

    Find the nearest preceding node to insn which is executable (i.e., not a label / line number) and which is not selected by stopBefore.

    Find the nearest preceding node to insn which is executable (i.e., not a label / line number) and which is not selected by stopBefore.

    Annotations
    @tailrec()
  58. def previousLineNumber(insn: AbstractInsnNode): Option[Int]
    Annotations
    @tailrec()
  59. def removeJumpAndAdjustStack(method: MethodNode, jump: JumpInsnNode): Unit
  60. def sameTargetExecutableInstruction(a: JumpInsnNode, b: JumpInsnNode): Boolean
  61. def substituteLabel(reference: AnyRef, from: LabelNode, to: LabelNode): Unit
  62. final def synchronized[T0](arg0: ⇒ T0): T0
    Definition Classes
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  63. def toString(): String
    Definition Classes
    AnyRef → Any
  64. final def wait(): Unit
    Definition Classes
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    Annotations
    @throws( ... )
  65. final def wait(arg0: Long, arg1: Int): Unit
    Definition Classes
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    Annotations
    @throws( ... )
  66. final def wait(arg0: Long): Unit
    Definition Classes
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    Annotations
    @throws( ... ) @native()
  67. object ConditionalJump
  68. object Goto
  69. object JumpNonJsr
  70. object VarInstruction

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