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| author | Martin Odersky <odersky@gmail.com> | 2015-07-01 15:59:33 +0200 |
|---|---|---|
| committer | Martin Odersky <odersky@gmail.com> | 2015-07-06 17:46:45 +0200 |
| commit | 84ad34ad7a50a7f9d39d6958a7b8840e16c37a3c (patch) | |
| tree | 309525b19d9f063a384d4e2561f0b29a34986c43 /src/dotty/tools/dotc/ast/Trees.scala | |
| parent | 64f65182f6e4f80b03d45923e02441dafe0755b4 (diff) | |
| download | dotty-84ad34ad7a50a7f9d39d6958a7b8840e16c37a3c.tar.gz dotty-84ad34ad7a50a7f9d39d6958a7b8840e16c37a3c.tar.bz2 dotty-84ad34ad7a50a7f9d39d6958a7b8840e16c37a3c.zip | |
Add @sharable annotation
Add @sharable annotation for classes and vals that are presumed
to be safely sharable between threads.
Also: Document CtxLazy.
Diffstat (limited to 'src/dotty/tools/dotc/ast/Trees.scala')
| -rw-r--r-- | src/dotty/tools/dotc/ast/Trees.scala | 19 |
1 files changed, 10 insertions, 9 deletions
diff --git a/src/dotty/tools/dotc/ast/Trees.scala b/src/dotty/tools/dotc/ast/Trees.scala index 97facaa5d..f63d32b14 100644 --- a/src/dotty/tools/dotc/ast/Trees.scala +++ b/src/dotty/tools/dotc/ast/Trees.scala @@ -1,4 +1,5 @@ -package dotty.tools.dotc +package dotty.tools +package dotc package ast import core._ @@ -26,7 +27,7 @@ object Trees { type Untyped = Null /** The total number of created tree nodes, maintained if Stats.enabled */ - var ntrees = 0 + @sharable var ntrees = 0 /** Modifiers and annotations for definitions * @param flags The set flags @@ -68,7 +69,7 @@ object Trees { def tokenPos: Seq[(Token, Position)] = ??? } - private var nextId = 0 // for debugging + @sharable private var nextId = 0 // for debugging type LazyTree = AnyRef /* really: Tree | Lazy[Tree] */ type LazyTreeList = AnyRef /* really: List[Tree] | Lazy[List[Tree]] */ @@ -723,9 +724,9 @@ object Trees { setMods(Modifiers[T](PrivateLocal)) } - val theEmptyTree: Thicket[Type] = Thicket(Nil) - val theEmptyValDef = new EmptyValDef[Type] - val theEmptyModifiers = new Modifiers() + @sharable val theEmptyTree: Thicket[Type] = Thicket(Nil) + @sharable val theEmptyValDef = new EmptyValDef[Type] + @sharable val theEmptyModifiers = new Modifiers() def genericEmptyValDef[T >: Untyped]: ValDef[T] = theEmptyValDef.asInstanceOf[ValDef[T]] def genericEmptyTree[T >: Untyped]: Thicket[T] = theEmptyTree.asInstanceOf[Thicket[T]] @@ -845,9 +846,9 @@ object Trees { type Annotated = Trees.Annotated[T] type Thicket = Trees.Thicket[T] - val EmptyTree: Thicket = genericEmptyTree - val EmptyValDef: ValDef = genericEmptyValDef - val EmptyModifiers: Modifiers = genericEmptyModifiers + @sharable val EmptyTree: Thicket = genericEmptyTree + @sharable val EmptyValDef: ValDef = genericEmptyValDef + @sharable val EmptyModifiers: Modifiers = genericEmptyModifiers // ----- Auxiliary creation methods ------------------ |