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class ReTyper[+C <: Context] extends AnyRef

heavy wizardry to fight the dark forces of Scala type-checking in macros

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Instance Constructors

  1. new ReTyper(c: C)

Value Members

  1. final def !=(arg0: Any): Boolean
    Definition Classes
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  2. final def ##(): Int
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  3. final def ==(arg0: Any): Boolean
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  4. final def asInstanceOf[T0]: T0
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  5. val c: C
  6. def cleanModifiers(mods: scala.reflect.macros.Universe.Modifiers, removeFlags: scala.reflect.macros.Universe.FlagSet = NoFlags): scala.reflect.macros.Universe.Modifiers

    Cleans the flag set of the given modifiers.

    Cleans the flag set of the given modifiers.

    The type-checking process annotates definitions with various flags. Some of them can also be inserted by user-code or even have a corresponding Scala language construct, but others are only used by the type-checker. Certain flags can interfere with type-checking and cause it to fail. Those flags can be safely removed and will be re-inserted during type-checking when needed.

    This method eliminates some problematic cases.

  7. def clone(): AnyRef
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    protected[lang]
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    @throws( ... ) @native() @HotSpotIntrinsicCandidate()
  8. def createTypeTree(tpe: scala.reflect.macros.Universe.Type, pos: scala.reflect.macros.Universe.Position, owners: Set[scala.reflect.macros.Universe.Symbol]): scala.reflect.macros.Universe.Tree
  9. def createTypeTree(tpe: scala.reflect.macros.Universe.Type, pos: scala.reflect.macros.Universe.Position): scala.reflect.macros.Universe.Tree

    Creates an AST representing the given type.

    Creates an AST representing the given type.

    The type-checking process creates synthetic type trees and it is possible to insert trees with type information, but it is not easily possible to create an AST for a given type.

    This method attempts to create such an AST, which is persistent across type-checking and un-type-checking.

  10. final def eq(arg0: AnyRef): Boolean
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  11. def equals(arg0: Any): Boolean
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  12. final def getClass(): Class[_]
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    @native() @HotSpotIntrinsicCandidate()
  13. def hashCode(): Int
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    @native() @HotSpotIntrinsicCandidate()
  14. final def isInstanceOf[T0]: Boolean
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  15. final def ne(arg0: AnyRef): Boolean
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  16. final def notify(): Unit
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  17. final def notifyAll(): Unit
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    @native() @HotSpotIntrinsicCandidate()
  18. def retypecheck(tree: scala.reflect.macros.Universe.Tree): scala.reflect.macros.Universe.Tree

    Re-type-checks the given tree, i.e., first un-type-checks it and then type-checks it again using untypecheck and typecheck, respectively.

  19. def retypecheckAll(tree: scala.reflect.macros.Universe.Tree): scala.reflect.macros.Universe.Tree

    Re-type-checks the given tree resetting all symbols using the org.scalamacros.resetallattrs library, i.e., first un-type-checks it and then type-checks it again using untypecheckAll and typecheck, respectively.

  20. final def synchronized[T0](arg0: ⇒ T0): T0
    Definition Classes
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  21. def toString(): String
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  22. def typecheck(tree: scala.reflect.macros.Universe.Tree): scala.reflect.macros.Universe.Tree

    Type-checks the given tree.

    Type-checks the given tree. If type-checking fails, aborts the macro expansion issuing the type-checking error.

    The type-checking process distorts certain ASTs (such as representations of extractors, lazy values or case classes) in a way that they cannot be type-checked again. The issue is described in SI-5464.

  23. def untypecheck(tree: scala.reflect.macros.Universe.Tree): scala.reflect.macros.Universe.Tree

    Un-type-checks the given tree.

    Un-type-checks the given tree.

    The type-checking process distorts certain ASTs (such as representations of extractors, lazy values or case classes) in a way that they cannot be type-checked again. The issue is described in SI-5464.

    This method tries to restore the AST to a form, which can be type-checked again.

  24. def untypecheckAll(tree: scala.reflect.macros.Universe.Tree): scala.reflect.macros.Universe.Tree

    Un-type-checks the given tree resetting all symbols using the org.scalamacros.resetallattrs library.

    Un-type-checks the given tree resetting all symbols using the org.scalamacros.resetallattrs library.

    The type-checking process distorts certain ASTs (such as representations of extractors, lazy values or case classes) in a way that they cannot be type-checked again. The issue is described in SI-5464.

    This method tries to restore the AST to a form, which can be type-checked again.

  25. final def wait(arg0: Long, arg1: Int): Unit
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    @throws( ... )
  26. final def wait(arg0: Long): Unit
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  27. final def wait(): Unit
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    @throws( ... )

Deprecated Value Members

  1. def finalize(): Unit
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    @throws( classOf[java.lang.Throwable] ) @Deprecated
    Deprecated

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