trait MethodSynth extends AnyRef
There are two key methods in here.
1) Enter methods such as enterGetterSetter are called from Namer with a tree which may generate further trees such as accessors or implicit wrappers. Some setup is performed. In general this creates symbols and enters them into the scope of the owner.
2) addDerivedTrees is called from Typer when a Template is typed. It completes the job, returning a list of trees with their symbols set to those created in the enter methods. Those trees then become part of the typed template.
- Self Type
- Analyzer.Namer
- Source
- MethodSynthesis.scala
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- MethodSynth
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Type Members
- sealed trait AnyBeanGetter extends Namers.Namer.BeanAccessor with Namers.Namer.DerivedGetter
- sealed abstract class BaseGetter extends Namers.Namer.DerivedGetter
- sealed abstract class BeanAccessor extends Namers.Namer.DerivedFromValDef
- case class BeanGetter (tree: Global.ValDef) extends Namers.Namer.BeanAccessor with Namers.Namer.AnyBeanGetter with Product with Serializable
- case class BeanSetter (tree: Global.ValDef) extends Namers.Namer.BeanAccessor with Namers.Namer.DerivedSetter with Product with Serializable
- case class BooleanBeanGetter (tree: Global.ValDef) extends Namers.Namer.BeanAccessor with Namers.Namer.AnyBeanGetter with Product with Serializable
-
sealed
trait
Derived
extends AnyRef
This trait assembles what's needed for synthesizing derived methods.
This trait assembles what's needed for synthesizing derived methods. Important: Typically, instances of this trait are created TWICE for each derived symbol; once form Namers in an enter method, and once from Typers in addDerivedTrees. So it's important that creating an instance of Derived does not have a side effect, or if it has a side effect, control that it is done only once.
- sealed trait DerivedFromClassDef extends Namers.Namer.DerivedFromMemberDef
- sealed trait DerivedFromMemberDef extends Namers.Namer.Derived
- sealed trait DerivedFromValDef extends Namers.Namer.DerivedFromMemberDef
- sealed trait DerivedGetter extends Namers.Namer.DerivedFromValDef
- sealed trait DerivedSetter extends Namers.Namer.DerivedFromValDef
- case class Field (tree: Global.ValDef) extends Namers.Namer.DerivedFromValDef with Product with Serializable
- case class Getter (tree: Global.ValDef) extends Namers.Namer.BaseGetter with Product with Serializable
-
case class
ImplicitClassWrapper
(tree: Global.ClassDef) extends Namers.Namer.DerivedFromClassDef with Product with Serializable
A synthetic method which performs the implicit conversion implied by the declaration of an implicit class.
-
case class
LazyValGetter
(tree: Global.ValDef) extends Namers.Namer.BaseGetter with Product with Serializable
Implements lazy value accessors:
Implements lazy value accessors:
- for lazy values of type Unit and all lazy fields inside traits, the rhs is the initializer itself, because we'll just "compute" the result on every access ("computing" unit / constant type is free -- the side-effect is still only run once, using the init bitmap)
- for all other lazy values z the accessor is a block of this form: { z = <rhs>; z } where z can be an identifier or a field.
- trait NoSymbolBeanGetter extends Namers.Namer.BeanAccessor with Namers.Namer.AnyBeanGetter
- case class Param (tree: Global.ValDef) extends Namers.Namer.DerivedFromValDef with Product with Serializable
- case class Setter (tree: Global.ValDef) extends Namers.Namer.DerivedSetter with Product with Serializable
Value Members
-
final
def
!=(arg0: Any): Boolean
Test two objects for inequality.
Test two objects for inequality.
- returns
trueif !(this == that), false otherwise.
- Definition Classes
- AnyRef → Any
-
final
def
##(): Int
Equivalent to
x.hashCodeexcept for boxed numeric types andnull.Equivalent to
x.hashCodeexcept for boxed numeric types andnull. For numerics, it returns a hash value which is consistent with value equality: if two value type instances compare as true, then ## will produce the same hash value for each of them. Fornullreturns a hashcode wherenull.hashCodethrows aNullPointerException.- returns
a hash value consistent with ==
- Definition Classes
- AnyRef → Any
-
def
+(other: String): String
- Implicit
- This member is added by an implicit conversion from Analyzer.MethodSynth to any2stringadd[Analyzer.MethodSynth] performed by method any2stringadd in scala.Predef.
- Definition Classes
- any2stringadd
-
def
->[B](y: B): (Analyzer.MethodSynth, B)
- Implicit
- This member is added by an implicit conversion from Analyzer.MethodSynth to ArrowAssoc[Analyzer.MethodSynth] performed by method ArrowAssoc in scala.Predef.
- Definition Classes
- ArrowAssoc
- Annotations
- @inline()
-
final
def
==(arg0: Any): Boolean
The expression
x == thatis equivalent toif (x eq null) that eq null else x.equals(that).The expression
x == thatis equivalent toif (x eq null) that eq null else x.equals(that).- returns
trueif the receiver object is equivalent to the argument;falseotherwise.
- Definition Classes
- AnyRef → Any
- def addDerivedTrees(typer: Analyzer.Typer, stat: Global.Tree): List[Global.Tree]
-
final
def
asInstanceOf[T0]: T0
Cast the receiver object to be of type
T0.Cast the receiver object to be of type
T0.Note that the success of a cast at runtime is modulo Scala's erasure semantics. Therefore the expression
1.asInstanceOf[String]will throw aClassCastExceptionat runtime, while the expressionList(1).asInstanceOf[List[String]]will not. In the latter example, because the type argument is erased as part of compilation it is not possible to check whether the contents of the list are of the requested type.- returns
the receiver object.
- Definition Classes
- Any
- Exceptions thrown
ClassCastExceptionif the receiver object is not an instance of the erasure of typeT0.
- def beanAccessors(vd: Global.ValDef): List[Namers.Namer.DerivedFromValDef]
-
def
clone(): AnyRef
Create a copy of the receiver object.
Create a copy of the receiver object.
The default implementation of the
clonemethod is platform dependent.- returns
a copy of the receiver object.
- Attributes
- protected[java.lang]
- Definition Classes
- AnyRef
- Annotations
- @throws( ... )
- Note
not specified by SLS as a member of AnyRef
-
def
ensuring(cond: (Analyzer.MethodSynth) ⇒ Boolean, msg: ⇒ Any): Analyzer.MethodSynth
- Implicit
- This member is added by an implicit conversion from Analyzer.MethodSynth to Ensuring[Analyzer.MethodSynth] performed by method Ensuring in scala.Predef.
- Definition Classes
- Ensuring
-
def
ensuring(cond: (Analyzer.MethodSynth) ⇒ Boolean): Analyzer.MethodSynth
- Implicit
- This member is added by an implicit conversion from Analyzer.MethodSynth to Ensuring[Analyzer.MethodSynth] performed by method Ensuring in scala.Predef.
- Definition Classes
- Ensuring
-
def
ensuring(cond: Boolean, msg: ⇒ Any): Analyzer.MethodSynth
- Implicit
- This member is added by an implicit conversion from Analyzer.MethodSynth to Ensuring[Analyzer.MethodSynth] performed by method Ensuring in scala.Predef.
- Definition Classes
- Ensuring
-
def
ensuring(cond: Boolean): Analyzer.MethodSynth
- Implicit
- This member is added by an implicit conversion from Analyzer.MethodSynth to Ensuring[Analyzer.MethodSynth] performed by method Ensuring in scala.Predef.
- Definition Classes
- Ensuring
-
def
enterBeans(tree: Global.ValDef): Unit
- Attributes
- protected
- def enterGetterSetter(tree: Global.ValDef): Unit
- def enterImplicitWrapper(tree: Global.ClassDef): Unit
-
final
def
eq(arg0: AnyRef): Boolean
Tests whether the argument (
that) is a reference to the receiver object (this).Tests whether the argument (
that) is a reference to the receiver object (this).The
eqmethod implements an equivalence relation on non-null instances ofAnyRef, and has three additional properties:- It is consistent: for any non-null instances
xandyof typeAnyRef, multiple invocations ofx.eq(y)consistently returnstrueor consistently returnsfalse. - For any non-null instance
xof typeAnyRef,x.eq(null)andnull.eq(x)returnsfalse. null.eq(null)returnstrue.
When overriding the
equalsorhashCodemethods, it is important to ensure that their behavior is consistent with reference equality. Therefore, if two objects are references to each other (o1 eq o2), they should be equal to each other (o1 == o2) and they should hash to the same value (o1.hashCode == o2.hashCode).- returns
trueif the argument is a reference to the receiver object;falseotherwise.
- Definition Classes
- AnyRef
- It is consistent: for any non-null instances
-
def
equals(arg0: Any): Boolean
The equality method for reference types.
- def field(vd: Global.ValDef): List[Namers.Namer.Field]
-
def
finalize(): Unit
Called by the garbage collector on the receiver object when there are no more references to the object.
Called by the garbage collector on the receiver object when there are no more references to the object.
The details of when and if the
finalizemethod is invoked, as well as the interaction betweenfinalizeand non-local returns and exceptions, are all platform dependent.- Attributes
- protected[java.lang]
- Definition Classes
- AnyRef
- Annotations
- @throws( classOf[java.lang.Throwable] )
- Note
not specified by SLS as a member of AnyRef
-
def
formatted(fmtstr: String): String
- Implicit
- This member is added by an implicit conversion from Analyzer.MethodSynth to StringFormat[Analyzer.MethodSynth] performed by method StringFormat in scala.Predef.
- Definition Classes
- StringFormat
- Annotations
- @inline()
-
final
def
getClass(): Class[_]
Returns the runtime class representation of the object.
Returns the runtime class representation of the object.
- returns
a class object corresponding to the runtime type of the receiver.
- Definition Classes
- AnyRef → Any
-
def
hashCode(): Int
The hashCode method for reference types.
-
final
def
isInstanceOf[T0]: Boolean
Test whether the dynamic type of the receiver object is
T0.Test whether the dynamic type of the receiver object is
T0.Note that the result of the test is modulo Scala's erasure semantics. Therefore the expression
1.isInstanceOf[String]will returnfalse, while the expressionList(1).isInstanceOf[List[String]]will returntrue. In the latter example, because the type argument is erased as part of compilation it is not possible to check whether the contents of the list are of the specified type.- returns
trueif the receiver object is an instance of erasure of typeT0;falseotherwise.
- Definition Classes
- Any
-
final
def
ne(arg0: AnyRef): Boolean
Equivalent to
!(this eq that).Equivalent to
!(this eq that).- returns
trueif the argument is not a reference to the receiver object;falseotherwise.
- Definition Classes
- AnyRef
-
final
def
notify(): Unit
Wakes up a single thread that is waiting on the receiver object's monitor.
Wakes up a single thread that is waiting on the receiver object's monitor.
- Definition Classes
- AnyRef
- Note
not specified by SLS as a member of AnyRef
-
final
def
notifyAll(): Unit
Wakes up all threads that are waiting on the receiver object's monitor.
Wakes up all threads that are waiting on the receiver object's monitor.
- Definition Classes
- AnyRef
- Note
not specified by SLS as a member of AnyRef
- def standardAccessors(vd: Global.ValDef): List[Namers.Namer.DerivedFromValDef]
-
final
def
synchronized[T0](arg0: ⇒ T0): T0
- Definition Classes
- AnyRef
-
def
toString(): String
Creates a String representation of this object.
Creates a String representation of this object. The default representation is platform dependent. On the java platform it is the concatenation of the class name, "@", and the object's hashcode in hexadecimal.
- returns
a String representation of the object.
- Definition Classes
- AnyRef → Any
- def validateParam(tree: Global.ValDef): Unit
-
final
def
wait(): Unit
- Definition Classes
- AnyRef
- Annotations
- @throws( ... )
-
final
def
wait(arg0: Long, arg1: Int): Unit
- Definition Classes
- AnyRef
- Annotations
- @throws( ... )
-
final
def
wait(arg0: Long): Unit
- Definition Classes
- AnyRef
- Annotations
- @throws( ... )
-
def
→[B](y: B): (Analyzer.MethodSynth, B)
- Implicit
- This member is added by an implicit conversion from Analyzer.MethodSynth to ArrowAssoc[Analyzer.MethodSynth] performed by method ArrowAssoc in scala.Predef.
- Definition Classes
- ArrowAssoc
- object Field extends Serializable
The Scala compiler API.
The following resources are useful for Scala plugin/compiler development: