Scala Reflection Library2.13.9 < Back
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# Packages

-  package root
  Definition Classes
    root
-  package scala
  Definition Classes
    root
-  package reflect
  Definition Classes
    scala
-  package macros

  EXPERIMENTAL

  EXPERIMENTAL

  The base package for Scala macros.

  Macros are functions that are called by the compiler during compilation. Within these functions the programmer has access to compiler APIs. For example, it is possible to generate, analyze and typecheck code.

  See the Macros Guide on how to get started with Scala macros.

  Definition Classes
    reflect
-  abstract class Universe extends api.Universe

  EXPERIMENTAL

  EXPERIMENTAL

  The refinement of scala.reflect.api.Universe for the use by macro writers.

  This universe provides mutability for reflection artifacts (e.g. macros can change types of compiler trees, add annotation to symbols representing definitions, etc) and exposes some internal compiler functionality such as `Symbol.deSkolemize` or `Tree.attachments`.

  Definition Classes
    macros
-  trait MacroInternalApi extends InternalApi

  Definition Classes
    Universe
  See also

    InternalApi

-  trait MacroDecoratorApi extends DecoratorApi

  Definition Classes
    MacroInternalApi
  See also

    DecoratorApi

- MacroScopeDecoratorApi
- MacroSymbolDecoratorApi
- MacroTreeDecoratorApi
- MacroTypeTreeDecoratorApi
- ScopeDecorator
- SymbolDecorator
- SymbolDecoratorApi
- TreeDecorator
- TreeDecoratorApi
- TypeDecorator
- TypeDecoratorApi
- TypeTreeDecorator

c

scala.reflect.macros.Universe.MacroInternalApi.MacroDecoratorApi

# MacroTreeDecoratorApi

###

#### class MacroTreeDecoratorApi[T <: Universe.Tree] extends TreeDecoratorApi[T]

Source
  Universe.scala
See also

  TreeDecorator

Linear Supertypes
MacroDecoratorApi.TreeDecoratorApi[T], AnyRef, Any
Type Hierarchy

Ordering

1. Alphabetic
2. By Inheritance

Inherited

1. MacroTreeDecoratorApi
2. TreeDecoratorApi
3. AnyRef
4. Any

Implicitly

1. by any2stringadd
2. by StringFormat
3. by Ensuring
4. by ArrowAssoc

1. Hide All
2. Show All

Visibility

1. Public
2. Protected

### Instance Constructors

1.  new MacroTreeDecoratorApi(tree: T)

### Value Members

1.  final def !=(arg0: Any): Boolean
   Definition Classes
     AnyRef → Any
2.  final def ##: Int
   Definition Classes
     AnyRef → Any
3.  def +(other: String): String
   Implicit
     This member is added by an implicit conversion from MacroTreeDecoratorApi[T] toany2stringadd[MacroTreeDecoratorApi[T]] performed by method any2stringadd in scala.Predef.
   Definition Classes
     any2stringadd
4.  def ->[B](y: B): (MacroTreeDecoratorApi[T], B)
   Implicit
     This member is added by an implicit conversion from MacroTreeDecoratorApi[T] toArrowAssoc[MacroTreeDecoratorApi[T]] performed by method ArrowAssoc in scala.Predef.
   Definition Classes
     ArrowAssoc
   Annotations
     @inline()
5.  final def ==(arg0: Any): Boolean
   Definition Classes
     AnyRef → Any
6.  final def asInstanceOf[T0]: T0
   Definition Classes
     Any
7.  def attachments: Attachments { type Pos = Universe.this.Position }

   See also

     MacroInternalApi.attachments

8.  def changeOwner(prev: Universe.Symbol, next: Universe.Symbol): tree.type

   See also

     MacroInternalApi.changeOwner

9.  def clone(): AnyRef
   Attributes
     protected[lang]
   Definition Classes
     AnyRef
   Annotations
     @throws(classOf[java.lang.CloneNotSupportedException]) @native()
10.  def defineType(tp: Universe.Type): T

    See also

      MacroInternalApi.defineType

11.  def ensuring(cond: (MacroTreeDecoratorApi[T]) => Boolean, msg: => Any): MacroTreeDecoratorApi[T]
    Implicit
      This member is added by an implicit conversion from MacroTreeDecoratorApi[T] toEnsuring[MacroTreeDecoratorApi[T]] performed by method Ensuring in scala.Predef.
    Definition Classes
      Ensuring
12.  def ensuring(cond: (MacroTreeDecoratorApi[T]) => Boolean): MacroTreeDecoratorApi[T]
    Implicit
      This member is added by an implicit conversion from MacroTreeDecoratorApi[T] toEnsuring[MacroTreeDecoratorApi[T]] performed by method Ensuring in scala.Predef.
    Definition Classes
      Ensuring
13.  def ensuring(cond: Boolean, msg: => Any): MacroTreeDecoratorApi[T]
    Implicit
      This member is added by an implicit conversion from MacroTreeDecoratorApi[T] toEnsuring[MacroTreeDecoratorApi[T]] performed by method Ensuring in scala.Predef.
    Definition Classes
      Ensuring
14.  def ensuring(cond: Boolean): MacroTreeDecoratorApi[T]
    Implicit
      This member is added by an implicit conversion from MacroTreeDecoratorApi[T] toEnsuring[MacroTreeDecoratorApi[T]] performed by method Ensuring in scala.Predef.
    Definition Classes
      Ensuring
15.  final def eq(arg0: AnyRef): Boolean
    Definition Classes
      AnyRef
16.  def equals(arg0: AnyRef): Boolean
    Definition Classes
      AnyRef → Any
17.  def finalize(): Unit
    Attributes
      protected[lang]
    Definition Classes
      AnyRef
    Annotations
      @throws(classOf[java.lang.Throwable])
18.  def freeTerms: List[Universe.FreeTermSymbol]

    Definition Classes
      TreeDecoratorApi
    See also

      InternalApi.freeTerms

19.  def freeTypes: List[Universe.FreeTypeSymbol]

    Definition Classes
      TreeDecoratorApi
    See also

      InternalApi.freeTypes

20.  final def getClass(): Class[_ <: AnyRef]
    Definition Classes
      AnyRef → Any
    Annotations
      @native()
21.  def hashCode(): Int
    Definition Classes
      AnyRef → Any
    Annotations
      @native()
22.  final def isInstanceOf[T0]: Boolean
    Definition Classes
      Any
23.  final def ne(arg0: AnyRef): Boolean
    Definition Classes
      AnyRef
24.  final def notify(): Unit
    Definition Classes
      AnyRef
    Annotations
      @native()
25.  final def notifyAll(): Unit
    Definition Classes
      AnyRef
    Annotations
      @native()
26.  def removeAttachment[A](implicit arg0: ClassTag[A]): T

    See also

      MacroInternalApi.removeAttachment

27.  def setPos(newpos: Universe.Position): T

    See also

      MacroInternalApi.setPos

28.  def setSymbol(sym: Universe.Symbol): T

    See also

      MacroInternalApi.setSymbol

29.  def setType(tp: Universe.Type): T

    See also

      MacroInternalApi.setType

30.  def substituteSymbols(from: List[Universe.Symbol], to: List[Universe.Symbol]): Universe.Tree

    Definition Classes
      TreeDecoratorApi
    See also

      InternalApi.substituteSymbols

31.  def substituteThis(clazz: Universe.Symbol, to: => Universe.Tree): Universe.Tree

    Definition Classes
      TreeDecoratorApi
    See also

      InternalApi.substituteThis

32.  def substituteTypes(from: List[Universe.Symbol], to: List[Universe.Type]): Universe.Tree

    Definition Classes
      TreeDecoratorApi
    See also

      InternalApi.substituteTypes

33.  final def synchronized[T0](arg0: => T0): T0
    Definition Classes
      AnyRef
34.  def toString(): String
    Definition Classes
      AnyRef → Any
35.  val tree: T
    Definition Classes
      MacroTreeDecoratorApi → TreeDecoratorApi
36.  def updateAttachment[A](attachment: A)(implicit arg0: ClassTag[A]): tree.type

    See also

      MacroInternalApi.updateAttachment

37.  final def wait(): Unit
    Definition Classes
      AnyRef
    Annotations
      @throws(classOf[java.lang.InterruptedException])
38.  final def wait(arg0: Long, arg1: Int): Unit
    Definition Classes
      AnyRef
    Annotations
      @throws(classOf[java.lang.InterruptedException])
39.  final def wait(arg0: Long): Unit
    Definition Classes
      AnyRef
    Annotations
      @throws(classOf[java.lang.InterruptedException]) @native()

### Deprecated Value Members

1.  def formatted(fmtstr: String): String
   Implicit
     This member is added by an implicit conversion from MacroTreeDecoratorApi[T] toStringFormat[MacroTreeDecoratorApi[T]] performed by method StringFormat in scala.Predef.
   Definition Classes
     StringFormat
   Annotations
     @deprecated @inline()
   Deprecated

     (Since version 2.12.16) Use `formatString.format(value)` instead of `value.formatted(formatString)`, or use the `f""` string interpolator. In Java 15 and later, `formatted` resolves to the new method in String which has reversed parameters.

2.  def →[B](y: B): (MacroTreeDecoratorApi[T], B)
   Implicit
     This member is added by an implicit conversion from MacroTreeDecoratorApi[T] toArrowAssoc[MacroTreeDecoratorApi[T]] performed by method ArrowAssoc in scala.Predef.
   Definition Classes
     ArrowAssoc
   Annotations
     @deprecated
   Deprecated

     (Since version 2.13.0) Use `->` instead. If you still wish to display it as one character, consider using a font with programming ligatures such as Fira Code.

### Inherited from MacroDecoratorApi.TreeDecoratorApi[T]

### Inherited from AnyRef

### Inherited from Any

### Inherited by implicit conversion any2stringadd fromMacroTreeDecoratorApi[T] to any2stringadd[MacroTreeDecoratorApi[T]]

### Inherited by implicit conversion StringFormat fromMacroTreeDecoratorApi[T] to StringFormat[MacroTreeDecoratorApi[T]]

### Inherited by implicit conversion Ensuring fromMacroTreeDecoratorApi[T] to Ensuring[MacroTreeDecoratorApi[T]]

### Inherited by implicit conversion ArrowAssoc fromMacroTreeDecoratorApi[T] to ArrowAssoc[MacroTreeDecoratorApi[T]]

### Ungrouped