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Scala example source code file (CapturedVariables.scala)
The CapturedVariables.scala Scala example source codepackage scala package reflect package internal import Flags._ trait CapturedVariables { self: SymbolTable => import definitions._ /** Mark a variable as captured; i.e. force boxing in a *Ref type. */ def captureVariable(vble: Symbol): Unit = vble setFlag CAPTURED /** Mark given identifier as a reference to a captured variable itself * suppressing dereferencing with the `elem` field. */ def referenceCapturedVariable(vble: Symbol): Tree = ReferenceToBoxed(Ident(vble)) /** Convert type of a captured variable to *Ref type. */ def capturedVariableType(vble: Symbol): Type = capturedVariableType(vble, NoType, erasedTypes = false) /** Convert type of a captured variable to *Ref type. */ def capturedVariableType(vble: Symbol, tpe: Type = NoType, erasedTypes: Boolean = false): Type = { val tpe1 = if (tpe == NoType) vble.tpe else tpe val symClass = tpe1.typeSymbol def refType(valueRef: Map[Symbol, Symbol], objectRefClass: Symbol) = if (isPrimitiveValueClass(symClass) && symClass != UnitClass) valueRef(symClass).tpe else if (erasedTypes) objectRefClass.tpe else appliedType(objectRefClass, tpe1) if (vble.hasAnnotation(VolatileAttr)) refType(volatileRefClass, VolatileObjectRefClass) else refType(refClass, ObjectRefClass) } } Other Scala source code examplesHere is a short list of links related to this Scala CapturedVariables.scala source code file: |
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