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Diffstat (limited to 'src/compiler/scala/reflect/internal/Definitions.scala')
| -rw-r--r-- | src/compiler/scala/reflect/internal/Definitions.scala | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/src/compiler/scala/reflect/internal/Definitions.scala b/src/compiler/scala/reflect/internal/Definitions.scala index 15f89e1382..fe20613c22 100644 --- a/src/compiler/scala/reflect/internal/Definitions.scala +++ b/src/compiler/scala/reflect/internal/Definitions.scala @@ -386,6 +386,30 @@ trait Definitions extends reflect.api.StandardDefinitions { lazy val NoneModule: Symbol = getModule("scala.None") lazy val SomeModule: Symbol = getModule("scala.Some") + /** Note: don't use this manifest/type function for anything important, + * as it is incomplete. Would love to have things like existential types + * working, but very unfortunately the manifests just stuff the relevant + * information into the toString method. + */ + def manifestToType(m: OptManifest[_]): Type = m match { + case x: AnyValManifest[_] => + getClassIfDefined("scala." + x).tpe + case m: ClassManifest[_] => + val name = m.erasure.getName + if (name endsWith nme.MODULE_SUFFIX_STRING) + getModuleIfDefined(name stripSuffix nme.MODULE_SUFFIX_STRING).tpe + else { + val sym = getClassIfDefined(name) + val args = m.typeArguments + + if (sym eq NoSymbol) NoType + else if (args.isEmpty) sym.tpe + else appliedType(sym.typeConstructor, args map manifestToType) + } + case _ => + NoType + } + // The given symbol represents either String.+ or StringAdd.+ def isStringAddition(sym: Symbol) = sym == String_+ || sym == StringAdd_+ def isArrowAssoc(sym: Symbol) = ArrowAssocClass.tpe.decls.toList contains sym |