本文整理汇总了Scala中scala.reflect.macros.whitebox类的典型用法代码示例。如果您正苦于以下问题:Scala whitebox类的具体用法?Scala whitebox怎么用?Scala whitebox使用的例子?那么恭喜您, 这里精选的类代码示例或许可以为您提供帮助。
在下文中一共展示了whitebox类的15个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于我们的系统推荐出更棒的Scala代码示例。
示例1: CoproductMacros
//设置package包名称以及导入依赖的类
package featherbed.littlemacros
import scala.reflect.macros.whitebox
import shapeless.{:+:, CNil}
class CoproductMacros(val c: whitebox.Context) {
import c.universe._
def callAcceptCoproduct(types: Tree*): Tree = {
val lhs = c.prefix.tree
val accepts = types map {
case Literal(const @ Constant(str: String)) => c.internal.constantType(const)
case other => c.abort(c.enclosingPosition, s"$other is not a string constant")
}
val cnil = weakTypeOf[CNil]
val ccons = weakTypeOf[:+:[_, _]].typeConstructor
val coproductType =
accepts.foldRight(cnil) { case (elemTpe, acc) =>
appliedType(ccons, List(elemTpe, acc))
}
q"$lhs.accept[$coproductType]"
}
}
开发者ID:finagle,项目名称:featherbed,代码行数:29,代码来源:CoproductMacros.scala
示例2: SamuraiMacros
//设置package包名称以及导入依赖的类
package samurai
import scala.reflect.macros.whitebox
object SamuraiMacros {
def instImpl(c: whitebox.Context)(annottees: c.Expr[Any]*): c.Expr[Any] = {
import c.universe._
val (inst: ValOrDefDef) :: Nil = annottees.map(_.tree).toList
val samFunction = inst.rhs match {
case f: Function => f
case _ =>
c.abort(c.enclosingPosition, "@sam annotation requires a function definition!")
}
val (tcName, wildcards) = inst.tpt match {
case att: AppliedTypeTree =>
(att.tpt.asInstanceOf[Ident].name, att.args.map(_ => "_").mkString("[", ",", "]"))
case idt: Ident =>
(idt.name, "")
}
val ttt = c.parse(s"val x: $tcName$wildcards = null").asInstanceOf[ValDef]
val tcFullName = c.typecheck(q"??? : ${ttt.asInstanceOf[ValDef].tpt}").tpe.typeSymbol.fullName
val tcClz = c.mirror.staticClass(tcFullName)
val abstractMembers = tcClz.typeSignature.members.filter(_.isAbstract)
abstractMembers.toList match {
case List(m) =>
val samSymbol = m.asMethod
val samName = samSymbol.name.toTermName
val samDefTree = q"def $samName(..${samFunction.vparams}) = ${samFunction.body}"
val instRhs = q"new ${inst.tpt} { $samDefTree }"
val tree =
inst match {
case dd: DefDef =>
q"${dd.mods} def ${dd.name}[..${dd.tparams}](...${dd.vparamss}): ${dd.tpt} = $instRhs"
case vd: ValDef =>
q"${vd.mods} val ${vd.name}: ${vd.tpt} = $instRhs"
}
c.Expr[Any](tree)
case ms =>
c.abort(
c.enclosingPosition,
s"$tcClz has not single abstract method, but ${ms.size} ${ms.map(_.name).mkString("(",", ", ")")}"
)
}
}
}
开发者ID:scalalandio,项目名称:samurai,代码行数:57,代码来源:SamuraiMacros.scala
示例3: SamuraiMacros
//设置package包名称以及导入依赖的类
package samurai
import scala.reflect.macros.whitebox
object SamuraiMacros {
def instImpl(c: whitebox.Context)(annottees: c.Expr[Any]*): c.Expr[Any] = {
import c.universe._
val (inst: ValOrDefDef) :: Nil = annottees.map(_.tree).toList
inst.rhs match {
case _: Function =>
c.Expr[Any](q"$inst")
case _ =>
c.abort(c.enclosingPosition, "@sam annotation requires a function definition!")
}
}
}
开发者ID:scalalandio,项目名称:samurai,代码行数:19,代码来源:SamuraiMacros.scala
示例4: TypeUtils
//设置package包名称以及导入依赖的类
package com.github.stonexx.scala.util
import com.google.common.reflect.TypeToken
import scala.language.experimental.macros
import scala.reflect.ClassTag
import scala.reflect.macros.whitebox
import scala.reflect.runtime.{universe => ru}
object TypeUtils {
@inline def typeTag[T: ru.TypeTag](obj: T): ru.TypeTag[T] = ru.typeTag[T]
@inline def typeTag[T: ru.TypeTag](cls: Class[T]): ru.TypeTag[T] = ru.typeTag[T]
@inline def typeOf[T: ru.TypeTag](obj: T): ru.Type = ru.typeOf[T]
@inline def typeOf[T: ru.TypeTag](cls: Class[T]): ru.Type = ru.typeOf[T]
@inline def classTag[T: ClassTag](obj: T): ClassTag[T] = scala.reflect.classTag[T]
@inline def classTag[T: ClassTag](cls: Class[T]): ClassTag[T] = scala.reflect.classTag[T]
@inline def runtimeClass[T: ClassTag]: Class[T] = implicitly[ClassTag[T]].runtimeClass.asInstanceOf[Class[T]]
def captureJavaType(typeLiteral: String): java.lang.reflect.Type = macro TypeUtilsMacroImpl.captureJavaType_impl
}
object TypeUtilsMacroImpl {
def captureJavaType_impl(c: whitebox.Context)(typeLiteral: c.Expr[String]): c.Expr[java.lang.reflect.Type] = {
import c.universe._
val typeTokenTypeSymbol = typeOf[TypeToken[_]].typeSymbol
val Literal(Constant(typeLiteralValue: String)) = typeLiteral.tree
val q"type T = $typeLiteralTree" = c.parse(s"type T = $typeLiteralValue")
c.Expr(q"new $typeTokenTypeSymbol[$typeLiteralTree]{}.getType")
}
}
开发者ID:stonexx,项目名称:utils,代码行数:34,代码来源:TypeUtils.scala
示例5: unsafeCheck
//设置package包名称以及导入依赖的类
package singleton.twoface.impl
import macrocompat.bundle
import singleton.ops._
import singleton.ops.impl._
import scala.reflect.macros.whitebox
trait CheckedAny[Face, T] extends Any with TwoFaceAny[Face, T] {
def unsafeCheck[ParamFace, Cond[_,_], Msg[_,_]](p : Option[ParamFace] = None)
(implicit rt : RunTime[T],
rtc : singleton.twoface.Checked.Runtime[Face, ParamFace, Cond, Msg]) : this.type = {
if (rt) require(rtc.cond(getValue,p), rtc.msg(getValue,p))
this
}
}
object CheckedAny {
trait Builder[Chk[_,C[_,_],_,M[_,_]], Face] {
type CondHelper[Cond[_,_], T, Param] = ITE[IsNotLiteral[Cond[T, Param]], true, Cond[T, Param]]
type MsgHelper[Msg[_,_], T, Param] = ITE[IsNotLiteral[Msg[T, Param]], "Something bad happened", Msg[T, Param]]
protected def create[T, Cond[_,_], Param, Msg[_,_]](value : Face) : Chk[T, Cond, Param, Msg]
implicit def impl[T, Cond[_,_], Param, Msg[_,_]]
(implicit vc : CondHelper[Cond, T, Param], vm : MsgHelper[Msg, T, Param]) :
Chk[T, Cond, Param, Msg] = macro Builder.Macro.impl[T, Cond, Param, Msg, Chk[T, Cond, Param, Msg]]
implicit def safe[T <: Face with Singleton, Cond[_,_], Param, Msg[_,_]]
(value : T)(implicit vc : CondHelper[Cond, T, Param], vm : MsgHelper[Msg, T, Param]) :
Chk[T, Cond, Param, Msg] = macro Builder.Macro.safe[T, Cond, Param, Msg, Chk[T, Cond, Param, Msg]]
implicit def unsafe[Cond[_,_], Param, Msg[_,_]](value : Face) :
Chk[Face, Cond, Param, Msg] = create[Face, Cond, Param, Msg](value)
implicit def safeTF[T <: Face with Singleton, Cond[_,_], Param, Msg[_,_]]
(value : TwoFaceAny[Face, T])(implicit vc : CondHelper[Cond, T, Param], vm : MsgHelper[Msg, T, Param]) :
Chk[T, Cond, Param, Msg] = macro Builder.Macro.safeTF[T, Cond, Param, Msg, Chk[T, Cond, Param, Msg]]
implicit def unsafeTF[Cond[_,_], Param, Msg[_,_]](tf : TwoFaceAny[Face, Face]) :
Chk[Face, Cond, Param, Msg] = create[Face, Cond, Param, Msg](tf.getValue)
}
@bundle
object Builder {
final class Macro(val c: whitebox.Context) extends GeneralMacros {
def impl[T, Cond[_,_], Param, Msg[_,_], Chk](vc : c.Tree, vm : c.Tree)(
implicit
t : c.WeakTypeTag[T], cond : c.WeakTypeTag[Cond[_,_]], msg : c.WeakTypeTag[Msg[_,_]], param: c.WeakTypeTag[Param], chk: c.WeakTypeTag[Chk]
): c.Tree = CheckedImplMaterializer[T, Cond[_,_], Param, Msg[_,_], Chk].impl(vc, vm)
def safe[T, Cond[_,_], Param, Msg[_,_], Chk](value : c.Tree)(vc : c.Tree, vm : c.Tree)(
implicit
t : c.WeakTypeTag[T], cond : c.WeakTypeTag[Cond[_,_]], msg : c.WeakTypeTag[Msg[_,_]], param: c.WeakTypeTag[Param], chk: c.WeakTypeTag[Chk]
): c.Tree = CheckedImplMaterializer[T, Cond[_,_], Param, Msg[_,_], Chk].impl(vc, vm)
def safeTF[T, Cond[_,_], Param, Msg[_,_], Chk](value : c.Tree)(vc : c.Tree, vm : c.Tree)(
implicit
t : c.WeakTypeTag[T], cond : c.WeakTypeTag[Cond[_,_]], msg : c.WeakTypeTag[Msg[_,_]], param: c.WeakTypeTag[Param], chk: c.WeakTypeTag[Chk]
): c.Tree = CheckedImplMaterializer[T, Cond[_,_], Param, Msg[_,_], Chk].impl(vc, vm)
}
}
}
开发者ID:fthomas,项目名称:singleton-ops,代码行数:62,代码来源:CheckedAny.scala
示例6: GogglesMacros
//设置package包名称以及导入依赖的类
package goggles.macros
import goggles.macros.errors.ErrorMessages
import goggles.macros.interpret.{MacroResult, MacroInterpreter, DslMode}
import scala.reflect.macros.whitebox
object GogglesMacros {
def getImpl(c: whitebox.Context)(args: c.Expr[Any]*): c.Tree = {
handleResult(c)(MacroInterpreter.getImpl(c)(args: _*), DslMode.Get)
}
def setImpl(c: whitebox.Context)(args: c.Expr[Any]*): c.Tree = {
handleResult(c)(MacroInterpreter.setImpl(c)(args: _*), DslMode.Set)
}
def lensImpl(c: whitebox.Context)(args: c.Expr[Any]*): c.Tree = {
handleResult(c)(MacroInterpreter.lensImpl(c)(args: _*), DslMode.Lens)
}
private def handleResult(c: whitebox.Context)(
result: MacroResult[c.Type, c.Tree], mode: DslMode): c.Tree = {
result match {
case MacroResult(Right(tree), _) => tree
case MacroResult(Left(err), infos) =>
val errMsg = ErrorMessages.message(err, mode, infos)
c.abort(c.enclosingPosition, errMsg)
}
}
}
开发者ID:kenbot,项目名称:goggles,代码行数:34,代码来源:GogglesMacros.scala
示例7: Demixin
//设置package包名称以及导入依赖的类
package com.thoughtworks.feature
import shapeless._
import scala.language.experimental.macros
import scala.reflect.macros.whitebox
trait Demixin[ConjunctionType] {
type Out <: HList
}
object Demixin {
type Aux[ConjunctionType, Out0] = Demixin[ConjunctionType] {
type Out = Out0
}
def apply[ConjunctionType](implicit demixin: Demixin[ConjunctionType]): Demixin.Aux[ConjunctionType, demixin.Out] =
demixin
implicit def materialize[ConjunctionType]: Demixin[ConjunctionType] =
macro Macros.materialize[ConjunctionType]
private[Demixin] final class Macros(val c: whitebox.Context) extends CaseClassMacros {
import c.universe._
private def demixin(t: Type): Stream[Type] = {
t.dealias match {
case RefinedType(superTypes, refinedScope) if refinedScope.isEmpty =>
superTypes.toStream.flatMap(demixin)
case any if definitions.AnyTpe <:< any =>
Stream.empty[Type]
case notRefinedType =>
Stream(notRefinedType)
}
}
def materialize[ConjunctionType: WeakTypeTag]: Tree = {
val conjunctionType = weakTypeOf[ConjunctionType]
val out = mkHListTpe(demixin(conjunctionType).distinct.toList)
val result = q"""
new _root_.com.thoughtworks.feature.Demixin[$conjunctionType] {
type Out = $out
} : _root_.com.thoughtworks.feature.Demixin.Aux[$conjunctionType, $out]
"""
// c.info(c.enclosingPosition, showCode(result), true)
result
}
}
}
开发者ID:ThoughtWorksInc,项目名称:feature.scala,代码行数:51,代码来源:Demixin.scala
示例8: ActorFactoryMacros
//设置package包名称以及导入依赖的类
package org.imdex.tractor.meta
import org.imdex.tractor
import org.imdex.tractor.ActorConf
import scala.annotation.tailrec
import scala.reflect.macros.whitebox
private[tractor] class ActorFactoryMacros(val c: whitebox.Context) {
import c.universe._
def spawn[Messages : WeakTypeTag](conf: Expr[ActorConf[_]], args: Expr[Any]*): Tree = {
val actualType = conf.actualType
if (actualType.typeArgs.isEmpty) c.abort(c.enclosingPosition, s"Invalid actor type ${actualType.typeSymbol.fullName}")
val `type` = actualType.typeArgs.head
val argTypes = args.map(_.actualType)
val constructors = `type`.decls.collect{ case decl if decl.isConstructor => decl.asMethod }
@tailrec
def check(args: Seq[Type], ctorArgs: List[Type]): Boolean = {
if (args.isEmpty && ctorArgs.isEmpty) true
else if ((args.isEmpty && ctorArgs.nonEmpty) || (args.nonEmpty && ctorArgs.isEmpty)) false
else {
if (args.head weak_<:< ctorArgs.head) check(args.tail, ctorArgs.tail)
else false
}
}
val constructor = constructors.find { ctor =>
val args = ctor.paramLists.flatten.map(_.typeSignature) // TODO: optimize with lazy iteration
check(argTypes, args)
}.getOrElse(c.abort(c.enclosingPosition, "Suitable constructor not found"))
val params = {
val paramLists = constructor.paramLists
import tractor.util._
if (paramLists.tail.isEmpty) args :: Nil
else (args: Seq[Expr[Any]]).split(paramLists.map(_.length): _*)
}
q"""val creator = new ActorInstanceCreator[${`type`}] {
override def create: ${`type`} = new ${`type`}(...$params)
override def conf = $conf.asInstanceOf[Conf[${`type`}]]
}
spawn[${weakTypeOf[Messages]}, ${`type`}](creator)"""
}
}
开发者ID:Im-dex,项目名称:trActor,代码行数:53,代码来源:ActorFactoryMacros.scala
示例9: Common
//设置package包名称以及导入依赖的类
package org.imdex.tractor.meta.union
import org.imdex.tractor.meta.Macros
import org.imdex.tractor.union.{Union, |, ?}
import scala.annotation.tailrec
import scala.collection.mutable
import scala.reflect.macros.whitebox
private[union] class Common[C <: whitebox.Context](val commonCtx: C) extends Macros(commonCtx) {
import c.universe._
private[this] val UnionType = typeOf[_ | _]
private[this] val EmptyType = typeOf[?]
def decay[T <: Union : c.WeakTypeTag]: Set[TypeWrapper] = decay(weakTypeOf[T])
def decay(unionType: Type): Set[TypeWrapper] = {
@tailrec
def decay(types: List[Type], buffer: mutable.Builder[TypeWrapper, Set[TypeWrapper]] = Set.newBuilder[TypeWrapper]): Set[TypeWrapper] = {
if (types.isEmpty) {
buffer.result()
} else {
val tpe = types.head
if (tpe =:= EmptyType) decay(types.tail, buffer)
else if (tpe.erasure =:= UnionType) decay(types.tail ++ tpe.dealias.typeArgs, buffer)
else decay(types.tail, buffer += tpe)
}
}
decay(unionType :: Nil)
}
}
开发者ID:Im-dex,项目名称:trActor,代码行数:36,代码来源:Common.scala
示例10: ContextMockSpec
//设置package包名称以及导入依赖的类
import macroni.{ContextMock, TreeSpec, CompileSpec}
import macroni.matcher._
import org.specs2.mock.Mockito
import scala.reflect.macros.{blackbox, whitebox}
import org.specs2.matcher._
class ContextMockSpec extends TreeSpec with ContextMock with CompileSpec {
"blackbox context tree equals same tree" >> {
val context = mockContext[blackbox.Context]
import context.universe._
val tree = q"val golum = true"
tree should beEqualToTree(q"val golum = true")
}
"whitebox context tree equals same tree" >> {
val context = mockContext[whitebox.Context]
import context.universe._
val tree = q"val golum = true"
tree should beEqualToTree(q"val golum = true")
}
"mocked context with compile matcher" >> {
val context = mockContext[whitebox.Context]
import context.universe._
q"1" must compile
}
}
开发者ID:cornerman,项目名称:macroni,代码行数:32,代码来源:ContextMockSpec.scala
示例11: extractWithName
//设置package包名称以及导入依赖的类
package com.github.cuzfrog.scmd.internal
import scala.language.experimental.macros
import scala.reflect.ClassTag
import scala.reflect.macros.whitebox
def extractWithName[T: ClassTag](params: Seq[Term.Arg],
paramName: String, pos: Position): Option[T] = {
val value = params.map {
case named: Term.Arg.Named => named
case unnamed =>
abort(pos, s"Definition must use named parameter in def for content:${unnamed.syntax}")
}.collect { case Term.Arg.Named(Term.Name(n), v) if n == paramName => v }.headOption
val tpe = implicitly[ClassTag[T]]
val actual = tpe.runtimeClass match {
case rc if rc == classOf[String] => value collect { case Lit.String(v) => v }
case rc if rc == classOf[Boolean] => value collect { case Lit.Boolean(v) => v }
case rc if rc == classOf[Term] => value collect { case term: Term => term }
case rc if rc == classOf[Term.Arg] => value
case rc => throw new AssertionError(s"Type not coded for argDef def: $rc")
}
actual.map(_.asInstanceOf[T])
}
}
private object RawArgMacroImpl {
def impl[T: c.WeakTypeTag](c: whitebox.Context)(params: c.Tree)(classTag: c.Tree, pos: c.Tree): c.Tree = {
import c.universe._
val termName = c.internal.enclosingOwner.asTerm.name.toString
val tpe = c.weakTypeOf[T]
val objectName = q"com.github.cuzfrog.scmd.internal.RawArgMacro"
val tree = q"$objectName.extractWithName[$tpe]($params,$termName,$pos)"
//println(showCode(tree))
tree
}
}
开发者ID:cuzfrog,项目名称:simple-cmd,代码行数:41,代码来源:RawArgMacro.scala
示例12: Super
//设置package包名称以及导入依赖的类
package com.github.alexeyr.scaladry
import macrocompat.bundle
import scala.reflect.macros.whitebox
object Super {
def superCallOf[T]: Any = macro SuperImpl.superCallOf[T]
}
@bundle
private class SuperImpl(val c: whitebox.Context) {
import c.universe._
def superCallOf[T: WeakTypeTag]: Tree = {
c.internal.enclosingOwner match {
case method: MethodSymbol =>
if (method.overrides.isEmpty)
c.abort(c.enclosingPosition, s"method ${method.name} overrides nothing, superCall makes no sense")
val args = method.paramLists.map(_.map { sym =>
val name = sym.asTerm.name.toTermName
// check that the symbol is not shadowed (comparing positions because == on symbols can produce false
// negative in this case)
if (sym.pos == c.typecheck(q"$name").symbol.pos)
name
else {
c.abort(c.enclosingPosition, s"superCall is not allowed because parameter $name is shadowed")
}
})
val typeOfT = weakTypeOf[T]
val typeParams = method.typeParams.map(_.asType.name)
if (typeOfT =:= typeOf[Nothing])
q"super.${method.name.toTermName}[..$typeParams](...$args)"
else
q"super[${typeOfT.typeSymbol.name.toTypeName}].${method.name.toTermName}[..$typeParams](...$args)"
case _ =>
c.abort(c.enclosingPosition, "superCall must be contained in a method")
}
}
}
开发者ID:alexeyr,项目名称:scala-dry,代码行数:42,代码来源:Super.scala
示例13: ShowRenderMacros
//设置package包名称以及导入依赖的类
package vegas.macros
import scala.reflect.macros.whitebox
import scala.util.Try
class ShowRenderMacros(val c: whitebox.Context) {
import c.universe.{Try => TryTree, _}
private def html(tree: Tree) = Try(c.typecheck(tree)).flatMap {
checked => Try(c.typecheck(q"vegas.render.ShowHTML($checked)"))
}
def materializeDefault: Tree = {
val possibilities: Try[Tree] =
html(q"""(str: String) => { println(org.apache.zeppelin.spark.utils.DisplayUtils.html(str)) }""") orElse
html(q"""(str: String) => { publish.html(str) }""") orElse
html(q"""(str: String) => { display.html(str) }""") orElse
html(q"""(str: String) => { kernel.display.content("text/html", str) }""") orElse
Try(c.typecheck(q"""vegas.render.ShowRender.using(_.window.show)"""))
possibilities.getOrElse(c.abort(c.enclosingPosition, "No default Vegas renderer could be materialized"))
}
}
开发者ID:vegas-viz,项目名称:Vegas,代码行数:24,代码来源:ShowRenderMacros.scala
示例14: Macrowave
//设置package包名称以及导入依赖的类
package com.github.zenpie.macrowave.internal
import java.util.LinkedList
import com.github.zenpie.macrowave.internal.scanner.FiniteAutomaton
import com.github.zenpie.macrowave.internal.parser.{RuleValidation, SetComputation, SymbolString}
import scala.reflect.macros.whitebox
class Macrowave(val c: whitebox.Context) extends AnyRef
with MacroUtils
with scanner.RuleParser
with parser.RuleParser {
import c.universe._
def transformGrammars(annottees: Tree*): c.Tree = {
val typedAnnottees = annottees map (c.typecheck(_, silent = false))
val grammars = typedAnnottees map {
case tree @ q"""$mods class $cname(...$ctors) extends $superclasses { ..$stms }""" =>
val grammar = new Grammar(c)
val stmList = new LinkedList[Tree]()
stms.foreach(stm => stmList.add(stm))
scannerRulesFromStatements(grammar, stmList)
parserRulesFromStatements(grammar, stmList)
RuleValidation.validateParserRules(grammar)
val dfa = FiniteAutomaton.generate(grammar)
SymbolString.fromGrammar(grammar)
SetComputation.calculateFirstAndFollowSets(grammar)
q"""$mods class $cname(...$ctors) extends $superclasses {}"""
case x =>
c.abort(x.pos, "Element annotated with 'grammar' is no Grammar!")
}
q"{..$grammars}"
}
}
开发者ID:zen-pie,项目名称:macrowave,代码行数:43,代码来源:Macrowave.scala
示例15: isRuleTpe
//设置package包名称以及导入依赖的类
package com.github.zenpie.macrowave.internal
import scala.reflect.macros.whitebox
private[internal] trait MacroUtils {
val c: whitebox.Context
import c.universe._
private[internal] val RegExpTpe = typeOf[com.github.zenpie.macrowave.RegExp]
private[internal] val TokenTpe = typeOf[com.github.zenpie.macrowave.Token]
private[internal] val StartTpe = typeOf[com.github.zenpie.macrowave.start]
private[internal] val WhiteSpaceTpe = typeOf[com.github.zenpie.macrowave.whiteSpace]
private[internal] val SingletonRuleTpe = typeOf[com.github.zenpie.macrowave.Rule[
com.github.zenpie.macrowave.::[String, com.github.zenpie.macrowave.HNil]]]
private[internal] val RuleTpe = typeOf[com.github.zenpie.macrowave.Rule[_]]
private[internal] val Rule1Tpe = typeOf[com.github.zenpie.macrowave.Rule1[_]]
private[internal] val validRuleActions = ((0 to 22) map (n => s"RuleAction$n")).toSet
private[internal] def isRuleTpe(tree: Tree): Boolean =
if (!tree.isType) false else {
val tpe = tree.tpe
val tpeArgs = tpe.typeArgs
val apRule = appliedType(RuleTpe, tpeArgs)
val apRule1 = appliedType(Rule1Tpe, tpeArgs)
val isRule = tpe <:< apRule
val isRule1 = tpe <:< apRule1
isRule || isRule1
}
private[internal] def isMacrowavePackageObj(prefix: Tree): Boolean =
prefix match {
case Select(Select(Select(Select(Ident(TermName("com")), TermName("github")), TermName("zenpie")), TermName("macrowave")), TermName("package")) => true
case Select(Select(Select(Ident(TermName("com")), TermName("github")), TermName("zenpie")), TermName("macrowave")) => true
case Select(Select(This(TypeName("zenpie")), TermName("macrowave")), TermName("package")) => true
case Select(This(TypeName("macrowave")), TermName("package")) => true
case This(TypeName("macrowave")) => true
case _ => false
}
private[internal] def isScalaPredef(prefix: Tree): Boolean =
prefix match {
case Select(This(TypeName("scala")), TermName("Predef")) => true
case _ => false
}
private[internal] def hasAnnotation(tree: Tree, annotation: Type): Boolean =
tree.symbol.annotations.exists(_.tree.tpe =:= annotation)
}
开发者ID:zen-pie,项目名称:macrowave,代码行数:55,代码来源:MacroUtils.scala
注:本文中的scala.reflect.macros.whitebox类示例整理自Github/MSDocs等源码及文档管理平台,相关代码片段筛选自各路编程大神贡献的开源项目,源码版权归原作者所有,传播和使用请参考对应项目的License;未经允许,请勿转载。 |
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