diff options
Diffstat (limited to 'src/compiler/scala/tools/nsc/ast/TreeGen.scala')
| -rw-r--r-- | src/compiler/scala/tools/nsc/ast/TreeGen.scala | 17 |
1 files changed, 14 insertions, 3 deletions
diff --git a/src/compiler/scala/tools/nsc/ast/TreeGen.scala b/src/compiler/scala/tools/nsc/ast/TreeGen.scala index c7414bf34b..a94154e0ff 100644 --- a/src/compiler/scala/tools/nsc/ast/TreeGen.scala +++ b/src/compiler/scala/tools/nsc/ast/TreeGen.scala @@ -51,9 +51,8 @@ abstract class TreeGen extends reflect.internal.TreeGen with TreeDSL { } // wrap the given expression in a SoftReference so it can be gc-ed - def mkSoftRef(expr: Tree): Tree = atPos(expr.pos) { - New(SoftReferenceClass, expr) - } + def mkSoftRef(expr: Tree): Tree = atPos(expr.pos)(New(SoftReferenceClass.tpe, expr)) + // annotate the expression with @unchecked def mkUnchecked(expr: Tree): Tree = atPos(expr.pos) { // This can't be "Annotated(New(UncheckedClass), expr)" because annotations @@ -220,6 +219,18 @@ abstract class TreeGen extends reflect.internal.TreeGen with TreeDSL { def mkSynchronized(monitor: Tree, body: Tree): Tree = Apply(Select(monitor, Object_synchronized), List(body)) + def mkAppliedTypeForCase(clazz: Symbol): Tree = { + val numParams = clazz.typeParams.size + if (clazz.typeParams.isEmpty) Ident(clazz) + else AppliedTypeTree(Ident(clazz), 1 to numParams map (_ => Bind(tpnme.WILDCARD, EmptyTree)) toList) + } + def mkBindForCase(patVar: Symbol, clazz: Symbol, targs: List[Type]): Tree = { + Bind(patVar, Typed(Ident(nme.WILDCARD), + if (targs.isEmpty) mkAppliedTypeForCase(clazz) + else AppliedTypeTree(Ident(clazz), targs map TypeTree) + )) + } + def wildcardStar(tree: Tree) = atPos(tree.pos) { Typed(tree, Ident(tpnme.WILDCARD_STAR)) } |