Scala Compiler2.13.2 < Back
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# Packages

-  package root

  The Scala compiler and reflection APIs.

  The Scala compiler and reflection APIs.

  Definition Classes
    root
-  package scala
  Definition Classes
    root
-  package tools
  Definition Classes
    scala
-  package nsc
  Definition Classes
    tools
-  package typechecker
  Definition Classes
    nsc
-  trait Namers extends MethodSynthesis

  This trait declares methods to create symbols and to enter them into scopes.

  This trait declares methods to create symbols and to enter them into scopes.

  Definition Classes
    typechecker
- ClassMethodSynthesis
- CompleterWrapper
- LockingTypeCompleter
- MethodSynth
- Namer
- PolyTypeCompleter
- TypeCompleter
- TypeCompleterBase

c

scala.tools.nsc.typechecker.Namers

# Namer

###

#### abstract class Namer extends Analyzer.MethodSynth with Analyzer.NamerContextErrors

Self Type
  Analyzer.Namer
Source
  Namers.scala

Linear Supertypes
Analyzer.NamerContextErrors, Analyzer.MethodSynth, AnyRef, Any
Known Subclasses
InteractiveNamer, MacroAnnotationNamer
Type Hierarchy

Ordering

1. Alphabetic
2. By Inheritance

Inherited

1. Namer
2. NamerContextErrors
3. MethodSynth
4. AnyRef
5. 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 Namer(context: Analyzer.Context)

### Type Members

1.  trait DerivedAccessor extends AnyRef
   Definition Classes
     MethodSynth
2.  case class Getter(tree: Global.ValDef) extends Namers.Namer.DerivedAccessor with Product with Serializable
   Definition Classes
     MethodSynth
3.  case class Setter(tree: Global.ValDef) extends Namers.Namer.DerivedAccessor with Product with Serializable
   Definition Classes
     MethodSynth
4.  class AccessorTypeCompleter extends Analyzer.TypeCompleterBase[Global.ValDef]
5.  class ImportTypeCompleter extends Analyzer.TypeCompleterBase[Global.Import]
6.  class ModuleClassTypeCompleter extends Analyzer.TypeCompleterBase[Global.ModuleDef]
7.  class MonoTypeCompleter extends Analyzer.TypeCompleterBase[Global.MemberDef]
8.  class SelfTypeCompleter extends Analyzer.TypeCompleterBase[Global.Tree]
9.  class ValTypeCompleter extends Analyzer.TypeCompleterBase[Global.ValDef]

### Value Members

1.  object NamerErrorGen
   Definition Classes
     NamerContextErrors
2.  final def !=(arg0: Any): Boolean
   Definition Classes
     AnyRef → Any
3.  final def ##: Int
   Definition Classes
     AnyRef → Any
4.  def +(other: String): String
   Implicit
     This member is added by an implicit conversion from Analyzer.Namer toany2stringadd[Analyzer.Namer] performed by method any2stringadd in scala.Predef.
   Definition Classes
     any2stringadd
5.  def ->[B](y: B): (Analyzer.Namer, B)
   Implicit
     This member is added by an implicit conversion from Analyzer.Namer toArrowAssoc[Analyzer.Namer] performed by method ArrowAssoc in scala.Predef.
   Definition Classes
     ArrowAssoc
   Annotations
     @inline()
6.  final def ==(arg0: Any): Boolean
   Definition Classes
     AnyRef → Any
7.  def accessorTypeCompleter(valDef: Global.ValDef, missingTpt: Boolean, isBean: Boolean, isSetter: Boolean): AccessorTypeCompleter
8.  def addApplyUnapply(cdef: Global.ClassDef, namer: Analyzer.Namer): Unit

   Given a case class case class C[Ts] (ps: Us) Add the following methods to toScope:

   Given a case class case class C[Ts] (ps: Us) Add the following methods to toScope:

   1. if case class is not abstract, add <synthetic> <case> def apply[Ts](ps: Us): C[Ts] = new C[Ts](ps) 2. add a method <synthetic> <case> def unapply[Ts](x: C[Ts]) = <ret-val> where <ret-val> is the caseClassUnapplyReturnValue of class C (see UnApplies.scala)
   cdef

     is the class definition of the case class

   namer

     is the namer of the module class (the comp. obj)

9.  def addCopyMethod(cdef: Global.ClassDef, namer: Analyzer.Namer): Unit
10.  def annotSig(annotations: List[Global.Tree], annotee: Global.Tree, pred: (Global.AnnotationInfo) => Boolean): List[Global.AnnotationInfo]
11.  def applicableTypeParams(owner: Global.Symbol): List[Global.Symbol]
12.  def applyUnapplyMethodCompleter(un_applyDef: Global.DefDef, companionContext: Analyzer.Context): Analyzer.TypeCompleter
13.  final def asInstanceOf[T0]: T0
    Definition Classes
      Any
14.  def assignAndEnterFinishedSymbol(tree: Global.MemberDef): Global.Symbol
15.  def assignMemberSymbol(tree: Global.MemberDef, mask: Long = -1L): Global.Symbol
16.  def clone(): AnyRef
    Attributes
      protected[lang]
    Definition Classes
      AnyRef
    Annotations
      @throws(classOf[java.lang.CloneNotSupportedException]) @native()
17.  def completerOf(tree: Global.MemberDef): Analyzer.TypeCompleter
18.  def conflict(newS: Global.Symbol, oldS: Global.Symbol): Boolean
    Attributes
      protected
19.  val context: Analyzer.Context
20.  def contextFile: AbstractFile
21.  def copyMethodCompleter(copyDef: Global.DefDef): Analyzer.TypeCompleter
22.  def createImportSymbol(tree: Global.Import): Global.TermSymbol
23.  def createInnerNamer(): Analyzer.Namer
24.  def createMemberSymbol(tree: Global.MemberDef, name: Global.Name, mask: Long): Global.Symbol

    Create a new symbol at the context owner based on the given tree.

    Create a new symbol at the context owner based on the given tree. A different name can be given. If the modifier flags should not be be transferred to the symbol as they are, supply a mask containing the flags to keep.

25.  def createMethod(accessQual: Global.MemberDef, name: Global.TermName, pos: Global.Position, flags: Long): Global.MethodSymbol
26.  def createNamer(tree: Global.Tree): Analyzer.Namer
27.  def createPackageSymbol(pos: Global.Position, pid: Global.RefTree): Global.Symbol

    All PackageClassInfoTypes come from here.

28.  def createPrimaryConstructorParameterNamer: Analyzer.Namer
29.  def deriveAccessors(vd: Global.ValDef): Boolean
30.  def enclosingNamerWithScope(scope: Global.Scope): Analyzer.Namer
31.  def ensureCompanionObject(cdef: Global.ClassDef, creator: (Global.ClassDef) => Global.Tree = companionModuleDef(_)): Global.Symbol

    If no companion object for clazz exists yet, create one by applying `creator` to class definition tree.

    If no companion object for clazz exists yet, create one by applying `creator` to class definition tree.

    returns

      the companion object symbol.

32.  def ensuring(cond: (Analyzer.Namer) => Boolean, msg: => Any): Analyzer.Namer
    Implicit
      This member is added by an implicit conversion from Analyzer.Namer toEnsuring[Analyzer.Namer] performed by method Ensuring in scala.Predef.
    Definition Classes
      Ensuring
33.  def ensuring(cond: (Analyzer.Namer) => Boolean): Analyzer.Namer
    Implicit
      This member is added by an implicit conversion from Analyzer.Namer toEnsuring[Analyzer.Namer] performed by method Ensuring in scala.Predef.
    Definition Classes
      Ensuring
34.  def ensuring(cond: Boolean, msg: => Any): Analyzer.Namer
    Implicit
      This member is added by an implicit conversion from Analyzer.Namer toEnsuring[Analyzer.Namer] performed by method Ensuring in scala.Predef.
    Definition Classes
      Ensuring
35.  def ensuring(cond: Boolean): Analyzer.Namer
    Implicit
      This member is added by an implicit conversion from Analyzer.Namer toEnsuring[Analyzer.Namer] performed by method Ensuring in scala.Predef.
    Definition Classes
      Ensuring
36.  def enterClassDef(tree: Global.ClassDef): Unit
37.  def enterClassSymbol(tree: Global.ClassDef): Global.Symbol
38.  def enterDefDef(tree: Global.DefDef): Unit
39.  def enterDefaultGetters(meth: Global.Symbol, ddef: Global.DefDef, vparamss: List[List[Global.ValDef]], tparams: List[Global.TypeDef]): Unit

    For every default argument, insert a method symbol computing that default

40.  def enterExistingSym(sym: Global.Symbol, tree: Global.Tree): Analyzer.Context
41.  def enterGetterSetter(tree: Global.ValDef): Unit
    Definition Classes
      MethodSynth
42.  def enterIfNotThere(sym: Global.Symbol): Unit
43.  def enterImplicitWrapper(classDef: Global.ClassDef): Unit
    Definition Classes
      MethodSynth
44.  def enterInScope(sym: Global.Symbol, scope: Global.Scope): Global.Symbol

    Enter symbol into given scope and return symbol itself

45.  def enterInScope(sym: Global.Symbol): Global.Symbol

    Enter symbol into context's scope and return symbol itself

46.  def enterModuleDef(tree: Global.ModuleDef): Global.Symbol
47.  def enterModuleSymbol(tree: Global.ModuleDef): Global.Symbol

    Enter a module symbol.

48.  def enterPackage(tree: Global.PackageDef): Unit
49.  def enterSelf(self: Global.ValDef): Unit
50.  def enterSym(tree: Global.Tree): Analyzer.Context
51.  def enterSyms(trees: List[Global.Tree]): Analyzer.Namer
52.  def enterSyntheticSym(tree: Global.Tree): Global.Symbol
53.  def enterTypeDef(tree: Global.TypeDef): Global.Symbol
54.  def enterValDef(tree: Global.ValDef): Unit
55.  def enterValueParams(vparamss: List[List[Global.ValDef]]): List[List[Global.Symbol]]
56.  final def eq(arg0: AnyRef): Boolean
    Definition Classes
      AnyRef
57.  def equals(arg0: AnyRef): Boolean
    Definition Classes
      AnyRef → Any
58.  def expandMacroAnnotations(stats: List[Global.Tree]): List[Global.Tree]
59.  def finalize(): Unit
    Attributes
      protected[lang]
    Definition Classes
      AnyRef
    Annotations
      @throws(classOf[java.lang.Throwable])
60.  def findCyclicalLowerBound(tp: Global.Type): Global.Symbol
61.  def formatted(fmtstr: String): String
    Implicit
      This member is added by an implicit conversion from Analyzer.Namer toStringFormat[Analyzer.Namer] performed by method StringFormat in scala.Predef.
    Definition Classes
      StringFormat
    Annotations
      @inline()
62.  final def getClass(): Class[_ <: AnyRef]
    Definition Classes
      AnyRef → Any
    Annotations
      @native()
63.  def handleSyntheticNameConflict(sym1: Global.Symbol, sym2: Global.Symbol): Unit

    Logic to handle name conflicts of synthetically generated symbols We handle right now: t6227

64.  def hashCode(): Int
    Definition Classes
      AnyRef → Any
    Annotations
      @native()
65.  def implicitFactoryMethodCompleter(tree: Global.DefDef, classSym: Global.Symbol): Analyzer.CompleterWrapper
66.  def importTypeCompleter(tree: Global.Import): ImportTypeCompleter
67.  def inConstructorFlag: Long
68.  def includeParent(tpe: Global.Type, parent: Global.Symbol): Global.Type
69.  def isEnumConstant(vd: Global.ValDef): Boolean

    Determines whether this field holds an enum constant.

    Determines whether this field holds an enum constant. To qualify, the following conditions must be met:

    - The field's class has the ENUM flag set
    - The field's class extends java.lang.Enum
    - The field has the ENUM flag set
    - The field is static
    - The field is stable
70.  final def isInstanceOf[T0]: Boolean
    Definition Classes
      Any
71.  def moduleClassFlags(moduleFlags: Long): Long
72.  def moduleClassTypeCompleter(tree: Global.ModuleDef): ModuleClassTypeCompleter
73.  def monoTypeCompleter(tree: Global.MemberDef): MonoTypeCompleter
74.  def namerOf(sym: Global.Symbol): Analyzer.Namer
75.  final def ne(arg0: AnyRef): Boolean
    Definition Classes
      AnyRef
76.  final def notify(): Unit
    Definition Classes
      AnyRef
    Annotations
      @native()
77.  final def notifyAll(): Unit
    Definition Classes
      AnyRef
    Annotations
      @native()
78.  def owner: Global.Symbol
    Attributes
      protected
79.  def saveDefaultGetter(meth: Global.Symbol, default: Global.Symbol): Unit
80.  def selfTypeCompleter(tree: Global.Tree): SelfTypeCompleter
81.  def setPrivateWithin(tree: Global.MemberDef, sym: Global.Symbol): Global.Symbol
82.  def setPrivateWithin[T <: Global.Symbol](tree: Global.Tree, sym: T, mods: Global.Modifiers): T
83.  def standardEnsureCompanionObject(cdef: Global.ClassDef, creator: (Global.ClassDef) => Global.Tree = companionModuleDef(_)): Global.Symbol

    Default implementation of `ensureCompanionObject`.

    Default implementation of `ensureCompanionObject`. Can be overridden by analyzer plugins (see AnalyzerPlugins.pluginsEnsureCompanionObject for more details)

84.  def standardEnterSym(tree: Global.Tree): Analyzer.Context

    Default implementation of `enterSym`.

    Default implementation of `enterSym`. Can be overridden by analyzer plugins (see AnalyzerPlugins.pluginsEnterSym for more details)

85.  final def synchronized[T0](arg0: => T0): T0
    Definition Classes
      AnyRef
86.  def toString(): String
    Definition Classes
      AnyRef → Any
87.  def typeErrorHandler[T](tree: Global.Tree, alt: T): PartialFunction[Throwable, T]
88.  def typeSig(tree: Global.Tree, annotSigs: List[Global.AnnotationInfo]): Global.Type

    TypeSig is invoked by monoTypeCompleters.

    TypeSig is invoked by monoTypeCompleters. It returns the type of a definition which is then assigned to the corresponding symbol (typeSig itself does not need to assign the type to the symbol, but it can if necessary).

89.  val typer: Analyzer.Typer
90.  def updatePosFlags(sym: Global.Symbol, pos: Global.Position, flags: Long): Global.Symbol
91.  def valTypeCompleter(tree: Global.ValDef): ValTypeCompleter
92.  def validate(sym: Global.Symbol): Unit

    Check that symbol's definition is well-formed.

    Check that symbol's definition is well-formed. This means:

    - no conflicting modifiers
    - `abstract` modifier only for classes
    - `override` modifier never for classes
    - `def` modifier never for parameters of case classes
    - declarations only in mixins or abstract classes (when not @native)
93.  def validateCompanionDefs(tree: Global.ImplDef): Unit

    Given a ClassDef or ModuleDef, verifies there isn't a companion which has been defined in a separate file.

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

### Deprecated Value Members

1.  def →[B](y: B): (Analyzer.Namer, B)
   Implicit
     This member is added by an implicit conversion from Analyzer.Namer toArrowAssoc[Analyzer.Namer] 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 Analyzer.NamerContextErrors

### Inherited from Analyzer.MethodSynth

### Inherited from AnyRef

### Inherited from Any

### Inherited by implicit conversion any2stringadd fromAnalyzer.Namer to any2stringadd[Analyzer.Namer]

### Inherited by implicit conversion StringFormat fromAnalyzer.Namer to StringFormat[Analyzer.Namer]

### Inherited by implicit conversion Ensuring fromAnalyzer.Namer to Ensuring[Analyzer.Namer]

### Inherited by implicit conversion ArrowAssoc fromAnalyzer.Namer to ArrowAssoc[Analyzer.Namer]

### Ungrouped