diff options
Diffstat (limited to 'compiler/src/dotty/tools/dotc/core/tasty/TreeUnpickler.scala')
| -rw-r--r-- | compiler/src/dotty/tools/dotc/core/tasty/TreeUnpickler.scala | 59 |
1 files changed, 16 insertions, 43 deletions
diff --git a/compiler/src/dotty/tools/dotc/core/tasty/TreeUnpickler.scala b/compiler/src/dotty/tools/dotc/core/tasty/TreeUnpickler.scala index a186d1ce4..2908c541e 100644 --- a/compiler/src/dotty/tools/dotc/core/tasty/TreeUnpickler.scala +++ b/compiler/src/dotty/tools/dotc/core/tasty/TreeUnpickler.scala @@ -5,6 +5,7 @@ package tasty import Contexts._, Symbols._, Types._, Scopes._, SymDenotations._, Names._, NameOps._ import StdNames._, Denotations._, Flags._, Constants._, Annotations._ +import NameKinds._ import util.Positions._ import ast.{tpd, Trees, untpd} import Trees._ @@ -15,15 +16,15 @@ import scala.collection.mutable.ListBuffer import scala.collection.{ mutable, immutable } import config.Printers.pickling import typer.Checking +import config.Config /** Unpickler for typed trees * @param reader the reader from which to unpickle * @param tastyName the nametable * @param posUNpicklerOpt the unpickler for positions, if it exists */ -class TreeUnpickler(reader: TastyReader, tastyName: TastyName.Table, posUnpicklerOpt: Option[PositionUnpickler]) { +class TreeUnpickler(reader: TastyReader, nameAtRef: NameRef => TermName, posUnpicklerOpt: Option[PositionUnpickler]) { import TastyFormat._ - import TastyName._ import TreeUnpickler._ import tpd._ @@ -74,20 +75,6 @@ class TreeUnpickler(reader: TastyReader, tastyName: TastyName.Table, posUnpickle new TreeReader(reader).readTopLevel()(ctx.addMode(Mode.AllowDependentFunctions)) } - def toTermName(tname: TastyName): TermName = tname match { - case Simple(name) => name - case Qualified(qual, name) => toTermName(qual) ++ "." ++ toTermName(name) - case Signed(original, params, result) => toTermName(original) - case Shadowed(original) => toTermName(original).shadowedName - case Expanded(prefix, original) => toTermName(original).expandedName(toTermName(prefix)) - case ModuleClass(original) => toTermName(original).moduleClassName.toTermName - case SuperAccessor(accessed) => toTermName(accessed).superName - case DefaultGetter(meth, num) => ??? - } - - def toTermName(ref: NameRef): TermName = toTermName(tastyName(ref)) - def toTypeName(ref: NameRef): TypeName = toTermName(ref).toTypeName - class Completer(owner: Symbol, reader: TastyReader) extends LazyType { import reader._ def complete(denot: SymDenotation)(implicit ctx: Context): Unit = { @@ -165,17 +152,7 @@ class TreeUnpickler(reader: TastyReader, tastyName: TastyName.Table, posUnpickle else tag } - def readName(): TermName = toTermName(readNameRef()) - - def readNameSplitSig()(implicit ctx: Context): Any /* TermName | (TermName, Signature) */ = - tastyName(readNameRef()) match { - case Signed(original, params, result) => - var sig = Signature(params map toTypeName, toTypeName(result)) - if (sig == Signature.NotAMethod) sig = Signature.NotAMethod - (toTermName(original), sig) - case name => - toTermName(name) - } + def readName(): TermName = nameAtRef(readNameRef()) // ------ Reading types ----------------------------------------------------- @@ -305,9 +282,9 @@ class TreeUnpickler(reader: TastyReader, tastyName: TastyName.Table, posUnpickle val name = readName().toTypeName TypeRef(readType(), name) case TERMREF => - readNameSplitSig() match { - case name: TermName => TermRef.all(readType(), name) - case (name: TermName, sig: Signature) => TermRef.withSig(readType(), name, sig) + readName() match { + case SignedName(name, sig) => TermRef.withSig(readType(), name, sig) + case name => TermRef.all(readType(), name) } case THIS => ThisType.raw(readType().asInstanceOf[TypeRef]) @@ -438,9 +415,9 @@ class TreeUnpickler(reader: TastyReader, tastyName: TastyName.Table, posUnpickle val start = currentAddr val tag = readByte() val end = readEnd() - val rawName = tastyName(readNameRef()) - var name: Name = toTermName(rawName) + var name: Name = readName() if (tag == TYPEDEF || tag == TYPEPARAM) name = name.toTypeName + val mname = name.mangled skipParams() val ttag = nextUnsharedTag val isAbsType = isAbstractType(ttag) @@ -451,19 +428,15 @@ class TreeUnpickler(reader: TastyReader, tastyName: TastyName.Table, posUnpickle val rhsIsEmpty = noRhs(end) if (!rhsIsEmpty) skipTree() val (givenFlags, annots, privateWithin) = readModifiers(end) - def nameFlags(tname: TastyName): FlagSet = tname match { - case TastyName.Expanded(_, original) => ExpandedName | nameFlags(tastyName(original)) - case TastyName.SuperAccessor(_) => Flags.SuperAccessor - case _ => EmptyFlags - } pickling.println(i"creating symbol $name at $start with flags $givenFlags") - val flags = normalizeFlags(tag, givenFlags | nameFlags(rawName), name, isAbsType, rhsIsEmpty) + val flags = normalizeFlags(tag, givenFlags, name, isAbsType, rhsIsEmpty) def adjustIfModule(completer: LazyType) = if (flags is Module) ctx.adjustModuleCompleter(completer, name) else completer val sym = - roots.find(root => (root.owner eq ctx.owner) && root.name == name) match { + roots.find(root => (root.owner eq ctx.owner) && root.name.mangled == mname) match { case Some(rootd) => pickling.println(i"overwriting ${rootd.symbol} # ${rootd.hashCode}") + rootd.name = name rootd.info = adjustIfModule( new Completer(ctx.owner, subReader(start, end)) with SymbolLoaders.SecondCompleter) rootd.flags = flags &~ Touched // allow one more completion @@ -886,7 +859,7 @@ class TreeUnpickler(reader: TastyReader, tastyName: TastyName.Table, posUnpickle val localCtx = if (name == nme.CONSTRUCTOR) ctx.addMode(Mode.InSuperCall) else ctx val qual = readTerm()(localCtx) - val unshadowed = if (name.isShadowedName) name.revertShadowed else name + val unshadowed = name.exclude(ShadowedName) untpd.Select(qual, unshadowed).withType(tpf(qual.tpe.widenIfUnstable)) } @@ -905,9 +878,9 @@ class TreeUnpickler(reader: TastyReader, tastyName: TastyName.Table, posUnpickle case SELECT => def readRest(name: Name, sig: Signature) = completeSelect(name, TermRef.withSig(_, name.asTermName, sig)) - readNameSplitSig match { - case name: Name => readRest(name, Signature.NotAMethod) - case (name: Name, sig: Signature) => readRest(name, sig) + readName() match { + case SignedName(name, sig) => readRest(name, sig) + case name => readRest(name, Signature.NotAMethod) } case SELECTtpt => val name = readName().toTypeName |