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 interpreter

    The main REPL related classes and values are as follows.

    The main REPL related classes and values are as follows. In addition to standard compiler classes Global and Settings, there are:

    History: an interface for session history. Completion: an interface for tab completion. ILoop (formerly InterpreterLoop): The umbrella class for a session. IMain (formerly Interpreter): Handles the evolving state of the session and handles submitting code to the compiler and handling the output. InteractiveReader: how ILoop obtains input. History: an interface for session history. Completion: an interface for tab completion. Power: a repository for more advanced/experimental features.

    ILoop contains { in: InteractiveReader, intp: IMain, settings: Settings, power: Power } InteractiveReader contains { history: History, completion: Completion } IMain contains { global: Global }

    Definition Classes
    nsc
  • class IMain extends Imports with PresentationCompilation with Closeable

    An interpreter for Scala code.

    An interpreter for Scala code.

    The main public entry points are compile(), interpret(), and bind(). The compile() method loads a complete Scala file. The interpret() method executes one line of Scala code at the request of the user. The bind() method binds an object to a variable that can then be used by later interpreted code.

    The overall approach is based on compiling the requested code and then using a Java classloader and Java reflection to run the code and access its results.

    In more detail, a single compiler instance is used to accumulate all successfully compiled or interpreted Scala code. To "interpret" a line of code, the compiler generates a fresh object that includes the line of code and which has public member(s) to export all variables defined by that code. To extract the result of an interpreted line to show the user, a second "result object" is created which imports the variables exported by the above object and then exports members called "$eval" and "$print". To accommodate user expressions that read from variables or methods defined in previous statements, "import" statements are used.

    This interpreter shares the strengths and weaknesses of using the full compiler-to-Java. The main strength is that interpreted code behaves exactly as does compiled code, including running at full speed. The main weakness is that redefining classes and methods is not handled properly, because rebinding at the Java level is technically difficult.

    Definition Classes
    interpreter
  • class Request extends AnyRef

    One line of code submitted by the user for interpretation

    One line of code submitted by the user for interpretation

    Definition Classes
    IMain
  • ClassBasedWrapper
  • ObjectBasedWrapper
  • Wrapper

abstract class Wrapper extends CodeAssembler[(memberHandlers)#MemberHandler]

generate the source code for the object that computes this request

Source
IMain.scala
Linear Supertypes
CodeAssembler[(memberHandlers)#MemberHandler], AnyRef, Any
Known Subclasses
ClassBasedWrapper, ObjectBasedWrapper
Ordering
  1. Alphabetic
  2. By Inheritance
Inherited
  1. Wrapper
  2. CodeAssembler
  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. All

Instance Constructors

  1. new Wrapper()

Abstract Value Members

  1. abstract def postamble: String
    Definition Classes
    Wrapper → CodeAssembler
  2. abstract def postwrap: String

    Like postamble for an import wrapper.

  3. abstract def preambleHeader: String

    A format string with %s for $read, specifying the wrapper definition.

Concrete 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 Wrapper to any2stringadd[Wrapper] performed by method any2stringadd in scala.Predef.
    Definition Classes
    any2stringadd
  4. def ->[B](y: B): (Wrapper, B)
    Implicit
    This member is added by an implicit conversion from Wrapper to ArrowAssoc[Wrapper] performed by method ArrowAssoc in scala.Predef.
    Definition Classes
    ArrowAssoc
    Annotations
    @inline()
  5. final def ==(arg0: Any): Boolean
    Definition Classes
    AnyRef → Any
  6. def apply(contributors: List[(memberHandlers)#MemberHandler]): String
    Definition Classes
    CodeAssembler
  7. final def asInstanceOf[T0]: T0
    Definition Classes
    Any
  8. def clone(): AnyRef
    Attributes
    protected[lang]
    Definition Classes
    AnyRef
    Annotations
    @throws( ... ) @native()
  9. def ensuring(cond: (Wrapper) ⇒ Boolean, msg: ⇒ Any): Wrapper
    Implicit
    This member is added by an implicit conversion from Wrapper to Ensuring[Wrapper] performed by method Ensuring in scala.Predef.
    Definition Classes
    Ensuring
  10. def ensuring(cond: (Wrapper) ⇒ Boolean): Wrapper
    Implicit
    This member is added by an implicit conversion from Wrapper to Ensuring[Wrapper] performed by method Ensuring in scala.Predef.
    Definition Classes
    Ensuring
  11. def ensuring(cond: Boolean, msg: ⇒ Any): Wrapper
    Implicit
    This member is added by an implicit conversion from Wrapper to Ensuring[Wrapper] performed by method Ensuring in scala.Predef.
    Definition Classes
    Ensuring
  12. def ensuring(cond: Boolean): Wrapper
    Implicit
    This member is added by an implicit conversion from Wrapper to Ensuring[Wrapper] performed by method Ensuring in scala.Predef.
    Definition Classes
    Ensuring
  13. def envLines: collection.immutable.List[String]
  14. final def eq(arg0: AnyRef): Boolean
    Definition Classes
    AnyRef
  15. def equals(arg0: Any): Boolean
    Definition Classes
    AnyRef → Any
  16. def finalize(): Unit
    Attributes
    protected[lang]
    Definition Classes
    AnyRef
    Annotations
    @throws( classOf[java.lang.Throwable] )
  17. val generate: ((memberHandlers)#MemberHandler) ⇒ String
    Definition Classes
    Wrapper → CodeAssembler
  18. final def getClass(): Class[_]
    Definition Classes
    AnyRef → Any
    Annotations
    @native()
  19. def hashCode(): Int
    Definition Classes
    AnyRef → Any
    Annotations
    @native()
  20. final def isInstanceOf[T0]: Boolean
    Definition Classes
    Any
  21. final def ne(arg0: AnyRef): Boolean
    Definition Classes
    AnyRef
  22. final def notify(): Unit
    Definition Classes
    AnyRef
    Annotations
    @native()
  23. final def notifyAll(): Unit
    Definition Classes
    AnyRef
    Annotations
    @native()
  24. def preamble: String
    Definition Classes
    Wrapper → CodeAssembler
  25. def preambleLength: Int
  26. def prewrap: String

    Like preambleHeader for an import wrapper.

  27. final def synchronized[T0](arg0: ⇒ T0): T0
    Definition Classes
    AnyRef
  28. def toString(): String
    Definition Classes
    AnyRef → Any
  29. final def wait(): Unit
    Definition Classes
    AnyRef
    Annotations
    @throws( ... )
  30. final def wait(arg0: Long, arg1: Int): Unit
    Definition Classes
    AnyRef
    Annotations
    @throws( ... )
  31. final def wait(arg0: Long): Unit
    Definition Classes
    AnyRef
    Annotations
    @throws( ... ) @native()
  32. def →[B](y: B): (Wrapper, B)
    Implicit
    This member is added by an implicit conversion from Wrapper to ArrowAssoc[Wrapper] performed by method ArrowAssoc in scala.Predef.
    Definition Classes
    ArrowAssoc

Deprecated Value Members

  1. def formatted(fmtstr: String): String
    Implicit
    This member is added by an implicit conversion from Wrapper to StringFormat[Wrapper] 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.

Inherited from CodeAssembler[(memberHandlers)#MemberHandler]

Inherited from AnyRef

Inherited from Any

Inherited by implicit conversion any2stringadd from Wrapper to any2stringadd[Wrapper]

Inherited by implicit conversion StringFormat from Wrapper to StringFormat[Wrapper]

Inherited by implicit conversion Ensuring from Wrapper to Ensuring[Wrapper]

Inherited by implicit conversion ArrowAssoc from Wrapper to ArrowAssoc[Wrapper]

Ungrouped