scala.tools.nsc.transform.patmat.MatchAnalysis

# MatchAnalyzer

#### trait MatchAnalyzer extends MatchApproximator

Linear Supertypes
MatchAnalysis.MatchApproximator, MatchAnalysis.TreesAndTypesDomain, MatchAnalysis.CheckableTreeAndTypeAnalysis, MatchAnalysis.PropositionalLogic, MatchAnalysis.TreeMakers, MatchAnalysis.CodegenCore, MatchAnalysis.TypedSubstitution, MatchAnalysis.MatchMonadInterface, AnyRef, Any
Known Subclasses
OptimizingMatchTranslator
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2. By inheritance

Inherited

1. MatchAnalyzer
2. MatchApproximator
3. TreesAndTypesDomain
4. CheckableTreeAndTypeAnalysis
5. PropositionalLogic
6. TreeMakers
7. CodegenCore
8. TypedSubstitution
9. MatchMonadInterface
10. AnyRef
11. Any

Implicitly

1. by any2stringadd
2. by StringFormat
3. by Ensuring
4. by ArrowAssoc

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### Type Members

1. #### trait AbsCodegen extends AnyRef

   Definition Classes
     CodegenCore

2. #### trait AbsVar extends AnyRef

   Definition Classes
     PropositionalLogic

3. #### case class AlternativesTreeMaker(prevBinder: Global.Symbol, altss: List[List[TreeMaker]], pos: Global.Position) extends TreeMaker with NoNewBinders with Product with Serializable

   Definition Classes
     TreeMakers

4. #### case class And(a: Prop, b: Prop) extends Prop with Product with Serializable

   Definition Classes
     PropositionalLogic

5. #### case class BodyTreeMaker(body: Global.Tree, matchPt: Global.Type) extends TreeMaker with NoNewBinders with Product with Serializable

   Definition Classes
     TreeMakers

6. #### trait Casegen extends AbsCodegen

   Definition Classes
     CodegenCore

7. #### abstract class CommonCodegen extends AbsCodegen

   Definition Classes
     CodegenCore

8. #### sealed abstract class CondTreeMaker extends FunTreeMaker

   Definition Classes
     TreeMakers

9. #### sealed abstract class Const extends AnyRef

   Definition Classes
     TreesAndTypesDomain

10. #### case class ConstructorExample(cls: Global.Symbol, ctorArgs: List[CounterExample]) extends CounterExample with Product with Serializable

11. #### class CounterExample extends AnyRef

12. #### case class Eq(p: Var, q: Const) extends Prop with Product with Serializable

    Definition Classes
      PropositionalLogic

13. #### case class EqualityTestTreeMaker(prevBinder: Global.Symbol, patTree: Global.Tree, pos: Global.Position) extends CondTreeMaker with Product with Serializable

    Definition Classes
      TreeMakers

14. #### case class ExtractorTreeMaker(extractor: Global.Tree, extraCond: Option[Global.Tree], nextBinder: Global.Symbol)(subPatBinders: List[Global.Symbol], subPatRefs: List[Global.Tree], extractorReturnsBoolean: Boolean, checkedLength: Option[Int], prevBinder: Global.Symbol, ignoredSubPatBinders: Set[Global.Symbol]) extends FunTreeMaker with PreserveSubPatBinders with Product with Serializable

    Make a TreeMaker that will result in an extractor call specified by `extractor` the next TreeMaker (here, we don't know which it'll be) is chained after this one by flatMap'ing a function with binder `nextBinder` over our extractor's result the function's body is determined by the next TreeMaker (furthermore, the interpretation of `flatMap` depends on the codegen instance we're using).

15. #### abstract type Formula

    Definition Classes
      PropositionalLogic

16. #### abstract type FormulaBuilder

    Definition Classes
      PropositionalLogic

17. #### sealed abstract class FunTreeMaker extends TreeMaker

    Definition Classes
      TreeMakers

18. #### case class GuardTreeMaker(guardTree: Global.Tree) extends TreeMaker with NoNewBinders with Product with Serializable

    Definition Classes
      TreeMakers

19. #### case class ListExample(ctorArgs: List[CounterExample]) extends CounterExample with Product with Serializable

20. #### type Model = SortedMap[Sym, Boolean]

    Definition Classes
      PropositionalLogic

21. #### case class NegativeExample(eqTo: MatchAnalyzer.Const, nonTrivialNonEqualTo: List[MatchAnalyzer.Const]) extends CounterExample with Product with Serializable

22. #### sealed trait NoNewBinders extends TreeMaker

    Definition Classes
      TreeMakers

23. #### case class Not(a: Prop) extends Prop with Product with Serializable

    Definition Classes
      PropositionalLogic

24. #### case class Or(a: Prop, b: Prop) extends Prop with Product with Serializable

    Definition Classes
      PropositionalLogic

25. #### sealed trait PreserveSubPatBinders extends TreeMaker

    Definition Classes
      TreeMakers

26. #### case class ProductExtractorTreeMaker(prevBinder: Global.Symbol, extraCond: Option[Global.Tree])(subPatBinders: List[Global.Symbol], subPatRefs: List[Global.Tree], mutableBinders: List[Global.Symbol], binderKnownNonNull: Boolean, ignoredSubPatBinders: Set[Global.Symbol]) extends FunTreeMaker with PreserveSubPatBinders with Product with Serializable

    An optimized version of ExtractorTreeMaker for Products.

27. #### class Prop extends AnyRef

    Definition Classes
      PropositionalLogic

28. #### trait PropMap extends AnyRef

    Definition Classes
      PropositionalLogic

29. #### trait PropTraverser extends AnyRef

    Definition Classes
      PropositionalLogic

30. #### case class SubstOnlyTreeMaker(prevBinder: Global.Symbol, nextBinder: Global.Symbol) extends TreeMaker with Product with Serializable

    Definition Classes
      TreeMakers

31. #### class Substitution extends AnyRef

    Definition Classes
      TypedSubstitution

32. #### abstract case class Sym(variable: Var, const: Const) extends Prop with Product with Serializable

    Definition Classes
      PropositionalLogic

33. #### case class Test(prop: MatchApproximator.Prop, treeMaker: MatchApproximator.TreeMaker) extends Product with Serializable

    Definition Classes
      MatchApproximator

34. #### type Tree = Global.Tree

    Definition Classes
      TreesAndTypesDomain → PropositionalLogic

35. #### abstract class TreeMaker extends AnyRef

    Definition Classes
      TreeMakers

36. #### class TreeMakersToProps extends AnyRef

    Definition Classes
      MatchApproximator

37. #### class TreeMakersToPropsIgnoreNullChecks extends TreeMakersToProps

    Definition Classes
      MatchApproximator

38. #### case class TrivialTreeMaker(tree: Global.Tree) extends TreeMaker with NoNewBinders with Product with Serializable

    Definition Classes
      TreeMakers

39. #### case class TupleExample(ctorArgs: List[CounterExample]) extends CounterExample with Product with Serializable

40. #### type Type = Global.Type

    Definition Classes
      TreesAndTypesDomain → PropositionalLogic

41. #### sealed class TypeConst extends Const

    Definition Classes
      TreesAndTypesDomain

42. #### trait TypeConstExtractor extends AnyRef

    Definition Classes
      PropositionalLogic

43. #### case class TypeExample(c: MatchAnalyzer.Const) extends CounterExample with Product with Serializable

44. #### case class TypeTestTreeMaker(prevBinder: Global.Symbol, testedBinder: Global.Symbol, expectedTp: Global.Type, nextBinderTp: Global.Type)(pos: Global.Position, extractorArgTypeTest: Boolean = false) extends CondTreeMaker with Product with Serializable

    implements the run-time aspects of (§8.

45. #### class UniqueSym extends Sym

    Definition Classes
      PropositionalLogic

46. #### sealed class ValueConst extends Const

    Definition Classes
      TreesAndTypesDomain

47. #### trait ValueConstExtractor extends AnyRef

    Definition Classes
      PropositionalLogic

48. #### case class ValueExample(c: MatchAnalyzer.ValueConst) extends CounterExample with Product with Serializable

49. #### class Var extends AbsVar

    Definition Classes
      TreesAndTypesDomain

50. #### trait VarExtractor extends AnyRef

    Definition Classes
      PropositionalLogic

### Abstract Value Members

1. #### abstract val EmptyModel: Model

   Definition Classes
     PropositionalLogic

2. #### abstract val NoModel: Model

   Definition Classes
     PropositionalLogic

3. #### abstract def addFormula(buff: FormulaBuilder, f: Formula): Unit

   Definition Classes
     PropositionalLogic

4. #### abstract def andFormula(a: Formula, b: Formula): Formula

   Definition Classes
     PropositionalLogic

5. #### abstract def cnfString(f: Formula): String

   Definition Classes
     PropositionalLogic

6. #### abstract def codegen: AbsCodegen

   Definition Classes
     CodegenCore

7. #### abstract def eqFreePropToSolvable(p: Prop): Formula

   Definition Classes
     PropositionalLogic

8. #### abstract def findAllModelsFor(f: Formula): List[Model]

   Definition Classes
     PropositionalLogic

9. #### abstract def findModelFor(f: Formula): Model

   Definition Classes
     PropositionalLogic

10. #### abstract def formulaBuilder: FormulaBuilder

    Definition Classes
      PropositionalLogic

11. #### abstract def optimizeCases(prevBinder: Global.Symbol, cases: List[List[TreeMaker]], pt: Global.Type): (List[List[TreeMaker]], List[Global.Tree])

    Definition Classes
      TreeMakers

12. #### abstract def simplifyFormula(a: Formula): Formula

    Definition Classes
      PropositionalLogic

13. #### abstract def toFormula(buff: FormulaBuilder): Formula

    Definition Classes
      PropositionalLogic

14. #### abstract val typer: (analyzer)#Typer

    Definition Classes
      CheckableTreeAndTypeAnalysis

### 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 information
     This member is added by an implicit conversion from MatchAnalyzer to any2stringadd[MatchAnalyzer] performed by method any2stringadd in scala.Predef.
   Definition Classes
     any2stringadd

4. #### def ->[B](y: B): (MatchAnalyzer, B)

   Implicit information
     This member is added by an implicit conversion from MatchAnalyzer to ArrowAssoc[MatchAnalyzer] performed by method ArrowAssoc in scala.Predef.
   Definition Classes
     ArrowAssoc
   Annotations
     @inline()

5. #### def /\(props: Iterable[Prop]): Prop

   Definition Classes
     PropositionalLogic

6. #### final def ==(arg0: Any): Boolean

   Definition Classes
     AnyRef → Any

7. #### object AnalysisBudget

   Definition Classes
     PropositionalLogic

8. #### object Const

   Definition Classes
     TreesAndTypesDomain

9. #### object CounterExample

10. #### object EmptySubstitution extends Substitution

    Definition Classes
      TypedSubstitution

11. #### object False extends Prop with Product with Serializable

    Definition Classes
      PropositionalLogic

12. #### object IrrefutableExtractorTreeMaker

    Definition Classes
      TreeMakers

13. #### object NoExample extends CounterExample with Product with Serializable

14. #### object NullConst extends Const with Product with Serializable

    Definition Classes
      TreesAndTypesDomain → PropositionalLogic

15. #### object Substitution

    Definition Classes
      TypedSubstitution

16. #### object Sym extends Serializable

    Definition Classes
      PropositionalLogic

17. #### object Test extends Serializable

    Definition Classes
      MatchApproximator

18. #### object True extends Prop with Product with Serializable

    Definition Classes
      PropositionalLogic

19. #### object TypeConst extends TypeConstExtractor

    Definition Classes
      TreesAndTypesDomain → PropositionalLogic

20. #### object TypeTestTreeMaker extends Serializable

    Definition Classes
      TreeMakers

21. #### object ValueConst extends ValueConstExtractor

    Definition Classes
      TreesAndTypesDomain → PropositionalLogic

22. #### object Var extends VarExtractor

    Definition Classes
      TreesAndTypesDomain → PropositionalLogic

23. #### object WildcardExample extends CounterExample with Product with Serializable

24. #### def \/(props: Iterable[Prop]): Prop

    Definition Classes
      PropositionalLogic

25. #### def analyzeCases(prevBinder: Global.Symbol, cases: List[List[TreeMaker]], pt: Type, suppression: MatchAnalysis.Suppression): Unit

    Definition Classes
      MatchAnalyzer → TreeMakers

26. #### def approximateMatchConservative(root: Global.Symbol, cases: List[List[TreeMaker]]): List[List[Test]]

    Definition Classes
      MatchApproximator

27. #### final def asInstanceOf[T0]: T0

    Definition Classes
      Any

28. #### final def caseWithoutBodyToProp(tests: List[Test]): Prop

    Attributes
      protected
    Definition Classes
      MatchApproximator

29. #### def checkableType(tp: Global.Type): Global.Type

    Definition Classes
      CheckableTreeAndTypeAnalysis

30. #### def clone(): AnyRef

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

31. #### def combineCases(scrut: Global.Tree, scrutSym: Global.Symbol, casesRaw: List[List[TreeMaker]], pt: Global.Type, owner: Global.Symbol, matchFailGenOverride: Option[(Global.Tree) ⇒ Global.Tree]): Global.Tree

    Definition Classes
      TreeMakers

32. #### def combineCasesNoSubstOnly(scrut: Global.Tree, scrutSym: Global.Symbol, casesNoSubstOnly: List[List[TreeMaker]], pt: Global.Type, owner: Global.Symbol, matchFailGenOverride: Option[(Global.Tree) ⇒ Global.Tree]): Global.Tree

    Definition Classes
      TreeMakers

33. #### def combineExtractors(treeMakers: List[TreeMaker])(casegen: Casegen): Global.Tree

    Definition Classes
      TreeMakers

34. #### val debugInfoEmitVars: Boolean

    Attributes
      protected
    Definition Classes
      TreeMakers

35. #### def emitSwitch(scrut: Global.Tree, scrutSym: Global.Symbol, cases: List[List[TreeMaker]], pt: Global.Type, matchFailGenOverride: Option[(Global.Tree) ⇒ Global.Tree], unchecked: Boolean): Option[Global.Tree]

    Definition Classes
      TreeMakers

36. #### def emitTypeSwitch(bindersAndCases: List[(Global.Symbol, List[TreeMaker])], pt: Global.Type): Option[List[Global.CaseDef]]

    Definition Classes
      TreeMakers

37. #### def ensuring(cond: (MatchAnalyzer) ⇒ Boolean, msg: ⇒ Any): MatchAnalyzer

    Implicit information
      This member is added by an implicit conversion from MatchAnalyzer to Ensuring[MatchAnalyzer] performed by method Ensuring in scala.Predef.
    Definition Classes
      Ensuring

38. #### def ensuring(cond: (MatchAnalyzer) ⇒ Boolean): MatchAnalyzer

    Implicit information
      This member is added by an implicit conversion from MatchAnalyzer to Ensuring[MatchAnalyzer] performed by method Ensuring in scala.Predef.
    Definition Classes
      Ensuring

39. #### def ensuring(cond: Boolean, msg: ⇒ Any): MatchAnalyzer

    Implicit information
      This member is added by an implicit conversion from MatchAnalyzer to Ensuring[MatchAnalyzer] performed by method Ensuring in scala.Predef.
    Definition Classes
      Ensuring

40. #### def ensuring(cond: Boolean): MatchAnalyzer

    Implicit information
      This member is added by an implicit conversion from MatchAnalyzer to Ensuring[MatchAnalyzer] performed by method Ensuring in scala.Predef.
    Definition Classes
      Ensuring

41. #### def enumerateSubtypes(tp: Global.Type): Option[List[Global.Type]]

    Definition Classes
      CheckableTreeAndTypeAnalysis

42. #### final def eq(arg0: AnyRef): Boolean

    Definition Classes
      AnyRef

43. #### def equals(arg0: Any): Boolean

    Definition Classes
      AnyRef → Any

44. #### def exhaustive(prevBinder: Global.Symbol, cases: List[List[TreeMaker]], pt: Type): List[String]

45. #### def finalize(): Unit

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

46. #### def fixerUpper(origOwner: Global.Symbol, pos: Global.Position): Global.Traverser

    Attributes
      protected
    Definition Classes
      TreeMakers

47. #### def formatted(fmtstr: String): String

    Implicit information
      This member is added by an implicit conversion from MatchAnalyzer to StringFormat[MatchAnalyzer] performed by method StringFormat in scala.Predef.
    Definition Classes
      StringFormat
    Annotations
      @inline()

48. #### def freshName(prefix: String): Global.TermName

    Definition Classes
      CodegenCore

49. #### def freshSym(pos: Global.Position, tp: Global.Type = NoType, prefix: String = "x"): Global.TermSymbol

    Definition Classes
      CodegenCore

50. #### def gatherVariables(p: Prop): Set[Var]

    Definition Classes
      PropositionalLogic

51. #### final def getClass(): Class[_]

    Definition Classes
      AnyRef → Any

52. #### def hashCode(): Int

    Definition Classes
      AnyRef → Any

53. #### final def isInstanceOf[T0]: Boolean

    Definition Classes
      Any

54. #### val matchOwner: Global.Symbol

    Definition Classes
      MatchMonadInterface

55. #### def modelToCounterExample(scrutVar: Var)(model: Model): CounterExample

56. #### def modelToVarAssignment(model: Model): Map[Var, (Seq[Const], Seq[Const])]

57. #### final def ne(arg0: AnyRef): Boolean

    Definition Classes
      AnyRef

58. #### def newSynthCaseLabel(name: String): Global.MethodSymbol

    Definition Classes
      CodegenCore

59. #### final def notify(): Unit

    Definition Classes
      AnyRef

60. #### final def notifyAll(): Unit

    Definition Classes
      AnyRef

61. #### def prepareNewAnalysis(): Unit

    Definition Classes
      TreesAndTypesDomain → PropositionalLogic

62. #### def propToSolvable(p: Prop): Formula

    Definition Classes
      PropositionalLogic

63. #### def propagateSubstitution(treeMakers: List[TreeMaker], initial: Substitution): List[TreeMaker]

    Definition Classes
      TreeMakers

64. #### def pureType(tp: Global.Type): Global.Type

    Definition Classes
      MatchMonadInterface

65. #### def removeSubstOnly(makers: List[TreeMaker]): collection.immutable.List[TreeMaker]

    Definition Classes
      TreeMakers

66. #### def removeVarEq(props: List[Prop], modelNull: Boolean = false): (Formula, List[Formula])

    Definition Classes
      PropositionalLogic

67. #### def reportMissingCases(pos: Global.Position, counterExamples: List[String]): Unit

    Definition Classes
      MatchMonadInterface

68. #### def reportUnreachable(pos: Global.Position): Unit

    Definition Classes
      MatchMonadInterface

69. #### def showTreeMakers(cases: List[List[TreeMaker]]): Unit

    Definition Classes
      MatchApproximator

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

    Definition Classes
      AnyRef

71. #### def toString(): String

    Definition Classes
      AnyRef → Any

72. #### def uncheckableType(tp: Global.Type): Boolean

    Definition Classes
      CheckableTreeAndTypeAnalysis

73. #### def uncheckedWarning(pos: Global.Position, msg: String): Any

74. #### def unreachableCase(prevBinder: Global.Symbol, cases: List[List[TreeMaker]], pt: Type): Option[Int]

75. #### def varAssignmentString(varAssignment: Map[Var, (Seq[Const], Seq[Const])]): String

76. #### final def wait(): Unit

    Definition Classes
      AnyRef
    Annotations
      @throws( ... )

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

    Definition Classes
      AnyRef
    Annotations
      @throws( ... )

78. #### final def wait(arg0: Long): Unit

    Definition Classes
      AnyRef
    Annotations
      @throws( ... )

79. #### def warn(pos: Global.Position, ex: Logic.PropositionalLogic.AnalysisBudget.Exception, kind: String): Any

80. #### def →[B](y: B): (MatchAnalyzer, B)

    Implicit information
      This member is added by an implicit conversion from MatchAnalyzer to ArrowAssoc[MatchAnalyzer] performed by method ArrowAssoc in scala.Predef.
    Definition Classes
      ArrowAssoc

### Inherited from MatchAnalysis.MatchApproximator

### Inherited from MatchAnalysis.TreesAndTypesDomain

### Inherited from MatchAnalysis.CheckableTreeAndTypeAnalysis

### Inherited from MatchAnalysis.PropositionalLogic

### Inherited from MatchAnalysis.TreeMakers

### Inherited from MatchAnalysis.CodegenCore

### Inherited from MatchAnalysis.TypedSubstitution

### Inherited from MatchAnalysis.MatchMonadInterface

### Inherited from AnyRef

### Inherited from Any

### Inherited by implicit conversion any2stringadd from MatchAnalyzer to any2stringadd[MatchAnalyzer]

### Inherited by implicit conversion StringFormat from MatchAnalyzer to StringFormat[MatchAnalyzer]

### Inherited by implicit conversion Ensuring from MatchAnalyzer to Ensuring[MatchAnalyzer]

### Inherited by implicit conversion ArrowAssoc from MatchAnalyzer to ArrowAssoc[MatchAnalyzer]

### Ungrouped