org.json4s.scalap.scalasig.Symbol.scala Maven / Gradle / Ivy
package org.json4s.scalap
package scalasig
import ScalaSigEntryParsers._
trait Symbol extends Flags {
def name: String
def parent: Option[Symbol]
def children: Seq[Symbol]
def path: String = parent.map(_.path + ".").getOrElse("") + name
}
case object NoSymbol extends Symbol {
def name = ""
def parent = None
def hasFlag(flag: Long) = false
def children = Nil
}
abstract class ScalaSigSymbol extends Symbol {
def applyRule[A](rule: EntryParser[A]): A = expect(rule)(entry)
def applyScalaSigRule[A](rule: ScalaSigParsers.Parser[A]) = ScalaSigParsers.expect(rule)(entry.scalaSig)
def entry: ScalaSig#Entry
def index = entry.index
lazy val children: Seq[Symbol] = applyScalaSigRule(ScalaSigParsers.symbols) filter (_.parent == Some(this))
lazy val attributes: Seq[AttributeInfo] = applyScalaSigRule(ScalaSigParsers.attributes) filter (_.symbol == this)
}
case class ExternalSymbol(name: String, parent: Option[Symbol], entry: ScalaSig#Entry) extends ScalaSigSymbol {
override def toString = path
def hasFlag(flag: Long) = false
}
case class SymbolInfo(name: String, owner: Symbol, flags: Int, privateWithin: Option[AnyRef], info: Int, entry: ScalaSig#Entry) {
def symbolString(any: AnyRef) = any match {
case sym: SymbolInfoSymbol => sym.index.toString
case other => other.toString
}
override def toString = name + ", owner=" + symbolString(owner) + ", flags=" + flags.toHexString + ", info=" + info + (privateWithin match {
case Some(any) => ", privateWithin=" + symbolString(any)
case None => " "
})
}
abstract class SymbolInfoSymbol extends ScalaSigSymbol {
def symbolInfo: SymbolInfo
def entry = symbolInfo.entry
def name = symbolInfo.name
def parent = Some(symbolInfo.owner)
def hasFlag(flag: Long) = (symbolInfo.flags & flag) != 0L
lazy val infoType = applyRule(parseEntry(typeEntry)(symbolInfo.info))
}
case class TypeSymbol(symbolInfo: SymbolInfo) extends SymbolInfoSymbol{
override def path = name
}
case class AliasSymbol(symbolInfo: SymbolInfo) extends SymbolInfoSymbol{
override def path = name
}
case class ClassSymbol(symbolInfo: SymbolInfo, thisTypeRef: Option[Int]) extends SymbolInfoSymbol {
lazy val selfType = thisTypeRef.map{(x: Int) => applyRule(parseEntry(typeEntry)(x))}
}
case class ObjectSymbol(symbolInfo: SymbolInfo) extends SymbolInfoSymbol
case class MethodSymbol(symbolInfo: SymbolInfo, aliasRef: Option[Int]) extends SymbolInfoSymbol