Trait

org.emmalanguage.ast

CommonAST

Related Doc: package ast

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trait CommonAST extends AnyRef

Implements various utility functions that mitigate and/or workaround deficiencies in Scala's macros and runtime reflection APIs, e.g. non-idempotent type checking, lack of hygiene, capture-avoiding substitution, fully-qualified names, fresh name generation, identifying closures, etc.

This trait has to be instantiated with a scala.reflect.api.Universe type and works for both runtime and compile time reflection.

Linear Supertypes
AnyRef, Any
Known Subclasses
API, AST, AlphaEq, Common, Compiler, GraphTools, JavaAST, MacroAST, MacroCompiler, Optimizations, QuoteMacro, RuntimeCompiler, TestMacros, UtilMacros
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Type Members

  1. type =?>[-A, +B] = PartialFunction[A, B]

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    Syntax sugar for partial functions.

  2. trait Meta extends AnyRef

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    Meta information (attachments).

  3. trait Node extends AnyRef

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    Common parent for all virtual AST nodes.

Abstract Value Members

  1. abstract def abort(msg: String, pos: scala.reflect.api.Universe.Position = NoPosition): Nothing

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    Raises an error and terminates compilation.

  2. abstract def enclosingOwner: scala.reflect.api.Universe.Symbol

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    Returns the enclosing named entity (class, method, value, etc).

  3. abstract def eval[T](code: scala.reflect.api.Universe.Tree): T

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    Evaluates a snippet of code and returns a value of type T.

    Evaluates a snippet of code and returns a value of type T. Note: this can be called on type--checked trees (as opposed to the eval method in ToolBox).

  4. abstract def inferImplicit(tpe: scala.reflect.api.Universe.Type): Option[scala.reflect.api.Universe.Tree]

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    Infers an implicit value from the enclosing context (if possible).

  5. abstract def meta(tree: scala.reflect.api.Universe.Tree): Meta

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    Returns the meta information associated with tree.

  6. abstract def meta(sym: scala.reflect.api.Universe.Symbol): Meta

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    Returns the meta information associated with sym.

  7. abstract def parse(code: String): scala.reflect.api.Universe.Tree

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    Parses a snippet of source code and returns the AST.

  8. abstract def typeCheck(tree: scala.reflect.api.Universe.Tree, typeMode: Boolean = false): scala.reflect.api.Universe.Tree

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    Type-checks a tree (use typeMode=true for type-trees).

  9. abstract val u: Universe

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  10. abstract def warning(msg: String, pos: scala.reflect.api.Universe.Position = NoPosition): Unit

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    Raises a compiler warning.

Concrete Value Members

  1. final def !=(arg0: Any): Boolean

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    Definition Classes
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  2. final def ##(): Int

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    Definition Classes
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  3. final def ==(arg0: Any): Boolean

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    Definition Classes
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  4. lazy val Flags: Set[scala.reflect.api.Universe.FlagSet]

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    All explicit flags.

  5. lazy val FlagsNoSynthetic: Set[scala.reflect.api.Universe.FlagSet]

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  6. object Max

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    Constant limits.

  7. object are

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  8. final def asInstanceOf[T0]: T0

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    Definition Classes
    Any

  9. def clone(): AnyRef

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    Attributes
    protected[java.lang]
    Definition Classes
    AnyRef
    Annotations
    @throws( ... )

  10. final def eq(arg0: AnyRef): Boolean

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    Definition Classes
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  11. def equals(arg0: Any): Boolean

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    Definition Classes
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  12. def finalize(): Unit

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    Attributes
    protected[java.lang]
    Definition Classes
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    Annotations
    @throws( classOf[java.lang.Throwable] )

  13. final def getClass(): Class[_]

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    Definition Classes
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  14. object has

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  15. def hashCode(): Int

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    Definition Classes
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  16. object have

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  17. object is

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  18. final def isInstanceOf[T0]: Boolean

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    Definition Classes
    Any

  19. final def ne(arg0: AnyRef): Boolean

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    Definition Classes
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  20. final def notify(): Unit

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    Definition Classes
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  21. final def notifyAll(): Unit

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    Definition Classes
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  22. final def synchronized[T0](arg0: ⇒ T0): T0

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    Definition Classes
    AnyRef

  23. def toString(): String

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    Definition Classes
    AnyRef → Any

  24. def unTypeCheck(tree: scala.reflect.api.Universe.Tree): scala.reflect.api.Universe.Tree

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    Removes all type and symbol attributes from a tree.

  25. final def wait(): Unit

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    Definition Classes
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    Annotations
    @throws( ... )

  26. final def wait(arg0: Long, arg1: Int): Unit

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    Definition Classes
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    Annotations
    @throws( ... )

  27. final def wait(arg0: Long): Unit

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    Definition Classes
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    Annotations
    @throws( ... )

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