com.wix.accord.transform

PatternHelper

trait PatternHelper[C <: Context] extends AnyRef

A macro helper mixin that provides simplified, pattern-based AST operations.

C

The type of the macro context

Self Type
PatternHelper[C] with MacroHelper[C]
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Type Members

  1. implicit class ExtendType extends AnyRef

  2. type TransformAST = PartialFunction[Tree, Tree]

Value Members

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

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

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  3. final def ##(): Int

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  4. final def ==(arg0: AnyRef): Boolean

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  5. final def ==(arg0: Any): Boolean

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  6. final def asInstanceOf[T0]: T0

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  7. def clone(): AnyRef

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    protected[java.lang]
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    @throws( ... )
  8. def collectFromPattern[R](tree: Tree)(pattern: PartialFunction[Tree, R]): List[R]

    Matches an AST pattern against a tree recursively.

    Matches an AST pattern against a tree recursively. Patterns are encoded as a partial function from scala.reflect.api.Universe.Tree to a result object; this method returns the result of applying the partial function to all AST subtrees matching it.

    R

    The return type as defined by the extraction clause of the search pattern.

    tree

    The AST tree to search.

    pattern

    The search pattern.

    returns

    scala.None if no match was found, or a scala.Some containing the result of applying the partial function to the first matching subtree.

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

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  10. def equals(arg0: Any): Boolean

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  11. def extractFromPattern[R](tree: Tree)(pattern: PartialFunction[Tree, R]): Option[R]

    Matches an AST pattern against a tree recursively.

    Matches an AST pattern against a tree recursively. Patterns are encoded as a partial function from scala.reflect.api.Universe.Tree to a result object; this method returns the result of applying the partial function to the first AST subtree matching it.

    R

    The return type as defined by the extraction clause of the search pattern.

    tree

    The AST tree to search.

    pattern

    The search pattern.

    returns

    scala.None if no match was found, or a scala.Some containing the result of applying the partial function to the first matching subtree.

  12. def finalize(): Unit

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    protected[java.lang]
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    @throws( classOf[java.lang.Throwable] )
  13. final def getClass(): Class[_]

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  14. def hashCode(): Int

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  15. final def isInstanceOf[T0]: Boolean

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

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  17. final def notify(): Unit

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  18. final def notifyAll(): Unit

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  19. final def synchronized[T0](arg0: ⇒ T0): T0

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  20. def toString(): String

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  21. def transformByPattern(tree: Tree)(pattern: (PatternHelper.this)#TransformAST): Tree

    Transforms an AST based on the specified pattern.

    Transforms an AST based on the specified pattern. The transformation is specified as a partial function from scala.reflect.api.Universe.Tree to a another tree, where every subtree for which the function is defined is replaced with the result of its application.

    tree

    The AST tree to search.

    pattern

    The search-and-replace pattern.

    returns

    The transformed tree.

  22. final def wait(): Unit

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

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

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