abstract class ExplicitOuter extends SubComponent with InfoTransform with TypingTransformers with TreeDSL
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- TreeDSL
- TypingTransformers
- InfoTransform
- Transform
- SubComponent
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- by Ensuring
- by ArrowAssoc
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Instance Constructors
- new ExplicitOuter()
Type Members
- abstract class StdPhase extends GlobalPhase
A standard phase template
A standard phase template
- Definition Classes
- SubComponent
- class ExplicitOuterTransformer extends OuterPathTransformer
The phase performs the following transformations (more or less...):
The phase performs the following transformations (more or less...):
(1) An class which is not an interface and is not static gets an outer accessor (@see outerDefs). (1a) A class which is not a trait gets an outer field.
(4) A constructor of a non-trait inner class gets an outer parameter.
(5) A reference C.this where C refers to an outer class is replaced by a selection
this.$outer$$C1 ... .$outer$$Cn(@see outerPath)(7) A call to a constructor Q.(args) or Q.$init$(args) where Q != this and the constructor belongs to a non-static class is augmented by an outer argument. E.g. Q.(OUTER, args) where OUTER is the qualifier corresponding to the singleton type Q.
(8) A call to a constructor this.(args) in a secondary constructor is augmented to this.(OUTER, args) where OUTER is the last parameter of the secondary constructor.
(9) Remove private modifier from class members M that are accessed from an inner class.
(10) Remove protected modifier from class members M that are accessed without a super qualifier accessed from an inner class or trait.
(11) Remove private and protected modifiers from type symbols
Note: The whole transform is run in phase explicitOuter.next.
TODO: Make this doc reflect what's actually going on. Some of the deviations are motivated by separate compilation (name mangling based on usage is inherently unstable). Now that traits are compiled 1:1 to interfaces, they can have private members, so there's also less need to make trait members non-private (they still may need to be implemented in subclasses, though we could make those protected...).
- abstract class OuterPathTransformer extends TypingTransformer
A base class for transformers that maintain outerParam values for outer parameters of constructors.
A base class for transformers that maintain outerParam values for outer parameters of constructors. The class provides methods for referencing via outer.
- class Phase extends ExplicitOuter.Phase
- class RemoveBindingsTransformer extends Global.Transformer
- abstract class ThicketTransformer extends TypingTransformer
A base class for typing transformers that need to perform "thicket expansion".
A base class for typing transformers that need to perform "thicket expansion". A thicket is the output of a transformation that is flattened into the enclosing block.
- Definition Classes
- TypingTransformers
- abstract class TypingTransformer extends Global.Transformer
- Definition Classes
- TypingTransformers
Abstract Value Members
- abstract val global: Global
- Definition Classes
- TreeDSL
- abstract val runsAfter: List[String]
Names of phases that must run before this phase.
Names of phases that must run before this phase.
- Definition Classes
- SubComponent
- abstract val runsRightAfter: Option[String]
Name of the phase that this phase must follow immediately.
Name of the phase that this phase must follow immediately.
- Definition Classes
- SubComponent
Concrete Value Members
- object CODE
- Definition Classes
- TreeDSL
- final def !=(arg0: Any): Boolean
- Definition Classes
- AnyRef → Any
- final def ##: Int
- Definition Classes
- AnyRef → Any
- def +(other: String): String
- Implicit
- This member is added by an implicit conversion from ExplicitOuter toany2stringadd[ExplicitOuter] performed by method any2stringadd in scala.Predef.
- Definition Classes
- any2stringadd
- def ->[B](y: B): (ExplicitOuter, B)
- Implicit
- This member is added by an implicit conversion from ExplicitOuter toArrowAssoc[ExplicitOuter] performed by method ArrowAssoc in scala.Predef.
- Definition Classes
- ArrowAssoc
- Annotations
- @inline()
- final def ==(arg0: Any): Boolean
- Definition Classes
- AnyRef → Any
- final def afterOwnPhase[T](op: => T): T
- Definition Classes
- SubComponent
- Annotations
- @inline()
- final def asInstanceOf[T0]: T0
- Definition Classes
- Any
- final def beforeOwnPhase[T](op: => T): T
- Definition Classes
- SubComponent
- Annotations
- @inline()
- def changesBaseClasses: Boolean
This class does not change linearization
This class does not change linearization
- Definition Classes
- ExplicitOuter → InfoTransform
- def clone(): AnyRef
- Attributes
- protected[lang]
- Definition Classes
- AnyRef
- Annotations
- @throws(classOf[java.lang.CloneNotSupportedException]) @native()
- def enabled: Boolean
Is this component enabled? Default is true.
Is this component enabled? Default is true.
- Definition Classes
- SubComponent
- def ensuring(cond: (ExplicitOuter) => Boolean, msg: => Any): ExplicitOuter
- Implicit
- This member is added by an implicit conversion from ExplicitOuter toEnsuring[ExplicitOuter] performed by method Ensuring in scala.Predef.
- Definition Classes
- Ensuring
- def ensuring(cond: (ExplicitOuter) => Boolean): ExplicitOuter
- Implicit
- This member is added by an implicit conversion from ExplicitOuter toEnsuring[ExplicitOuter] performed by method Ensuring in scala.Predef.
- Definition Classes
- Ensuring
- def ensuring(cond: Boolean, msg: => Any): ExplicitOuter
- Implicit
- This member is added by an implicit conversion from ExplicitOuter toEnsuring[ExplicitOuter] performed by method Ensuring in scala.Predef.
- Definition Classes
- Ensuring
- def ensuring(cond: Boolean): ExplicitOuter
- Implicit
- This member is added by an implicit conversion from ExplicitOuter toEnsuring[ExplicitOuter] performed by method Ensuring in scala.Predef.
- Definition Classes
- Ensuring
- final def eq(arg0: AnyRef): Boolean
- Definition Classes
- AnyRef
- def equals(arg0: AnyRef): Boolean
- Definition Classes
- AnyRef → Any
- def finalize(): Unit
- Attributes
- protected[lang]
- Definition Classes
- AnyRef
- Annotations
- @throws(classOf[java.lang.Throwable])
- def formatted(fmtstr: String): String
- Implicit
- This member is added by an implicit conversion from ExplicitOuter toStringFormat[ExplicitOuter] performed by method StringFormat in scala.Predef.
- Definition Classes
- StringFormat
- Annotations
- @inline()
- final def getClass(): Class[_ <: AnyRef]
- Definition Classes
- AnyRef → Any
- Annotations
- @native()
- def hasOuterField(clazz: Global.Symbol): Boolean
Does given clazz define an outer field?
- def hashCode(): Int
SubComponents are added to a HashSet and two phases are the same if they have the same name.
SubComponents are added to a HashSet and two phases are the same if they have the same name.
- Definition Classes
- SubComponent → AnyRef → Any
- val initial: Boolean
True if this phase runs before all other phases.
True if this phase runs before all other phases. Usually,
parser.- Definition Classes
- SubComponent
- val internal: Boolean
True if this phase is not provided by a plug-in.
True if this phase is not provided by a plug-in.
- Definition Classes
- SubComponent
- final def isInstanceOf[T0]: Boolean
- Definition Classes
- Any
- def keepsTypeParams: Boolean
- Attributes
- protected
- Definition Classes
- InfoTransform
- final def ne(arg0: AnyRef): Boolean
- Definition Classes
- AnyRef
- def newOuterAccessor(clazz: Global.Symbol): Global.MethodSymbol
- def newOuterField(clazz: Global.Symbol): Global.TermSymbol
- def newPhase(prev: nsc.Phase): StdPhase
Create a new phase which applies transformer
Create a new phase which applies transformer
- Definition Classes
- ExplicitOuter → InfoTransform → Transform → SubComponent
- def newRootLocalTyper(unit: Global.CompilationUnit): (analyzer)#Typer
- Attributes
- protected
- Definition Classes
- TypingTransformers
- def newTransformer(unit: Global.CompilationUnit): Global.Transformer
The transformer factory
The transformer factory
- Attributes
- protected
- Definition Classes
- ExplicitOuter → Transform
- final def notify(): Unit
- Definition Classes
- AnyRef
- Annotations
- @native()
- final def notifyAll(): Unit
- Definition Classes
- AnyRef
- Annotations
- @native()
- def outerAccessor(clazz: Global.Symbol): Global.Symbol
- def ownPhase: nsc.Phase
The phase corresponding to this subcomponent in the current compiler run.
The phase corresponding to this subcomponent in the current compiler run.
- Definition Classes
- SubComponent
- val phaseName: String
the name of the phase:
the name of the phase:
- Definition Classes
- ExplicitOuter → SubComponent
- def phaseNewFlags: Long
The following flags may be set by this phase:
The following flags may be set by this phase:
- Definition Classes
- ExplicitOuter → SubComponent
- def phaseNextFlags: Long
New flags defined by the phase which are not valid until immediately after it
New flags defined by the phase which are not valid until immediately after it
- Definition Classes
- SubComponent
- val requires: List[String]
Names of phases required by this component.
Names of phases required by this component. Default is
Nil.- Definition Classes
- SubComponent
- val runsBefore: List[String]
Names of phases that must run after this phase.
Names of phases that must run after this phase. Default is
Nil.- Definition Classes
- SubComponent
- final def synchronized[T0](arg0: => T0): T0
- Definition Classes
- AnyRef
- val terminal: Boolean
True if this phase runs after all other phases.
True if this phase runs after all other phases. Usually,
terminal.- Definition Classes
- SubComponent
- def toString(): String
- Definition Classes
- AnyRef → Any
- def transformInfo(sym: Global.Symbol, tp: Global.Type): Global.Type
The type transformation method:
The type transformation method:
- Add an outer parameter to the formal parameters of a constructor in an inner non-trait class;
- Add a protected $outer field to an inner class which is not a trait.
-
Add an outer accessor $outer$$C to every inner class with fully qualified name C that is not an interface. The outer accessor is abstract for traits, concrete for other classes.
3a. Also add overriding accessor defs to every class that inherits mixin classes with outer accessor defs (unless the superclass already inherits the same mixin).
- Make all super accessors and modules in traits non-private, mangling their names.
- Remove protected flag from all members of traits.
Note: this transformInfo need not be reflected as the JVM reflection already elides outer pointers.
- Definition Classes
- ExplicitOuter → InfoTransform
- final def wait(): Unit
- Definition Classes
- AnyRef
- Annotations
- @throws(classOf[java.lang.InterruptedException])
- final def wait(arg0: Long, arg1: Int): Unit
- Definition Classes
- AnyRef
- Annotations
- @throws(classOf[java.lang.InterruptedException])
- final def wait(arg0: Long): Unit
- Definition Classes
- AnyRef
- Annotations
- @throws(classOf[java.lang.InterruptedException]) @native()
Deprecated Value Members
- def →[B](y: B): (ExplicitOuter, B)
- Implicit
- This member is added by an implicit conversion from ExplicitOuter toArrowAssoc[ExplicitOuter] 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.
The Scala compiler and reflection APIs.