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author | Denys Shabalin <denys.shabalin@typesafe.com> | 2014-01-22 17:49:26 +0100 |
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committer | Denys Shabalin <denys.shabalin@typesafe.com> | 2014-01-23 13:51:06 +0100 |
commit | ef118b8c86944d6fe3520782335835b9ec96590a (patch) | |
tree | 6acbd702379450a4073ec1aba57d577c4d5408e5 /src/reflect/scala/reflect/internal/StdAttachments.scala | |
parent | 7a23a908a77e2424c0f951acb3f0de6a0cac454c (diff) | |
download | scala-ef118b8c86944d6fe3520782335835b9ec96590a.tar.gz scala-ef118b8c86944d6fe3520782335835b9ec96590a.tar.bz2 scala-ef118b8c86944d6fe3520782335835b9ec96590a.zip |
Tag synthetic unit with attachment
This makes it easy to differentiate unit inserted by a compiler vs unit
written by the user. Useful for quasiquotes and pretty printing.
Additionally SyntacticBlock extractor is changed to treat EmptyTree as
zero-element block.
Diffstat (limited to 'src/reflect/scala/reflect/internal/StdAttachments.scala')
-rw-r--r-- | src/reflect/scala/reflect/internal/StdAttachments.scala | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/src/reflect/scala/reflect/internal/StdAttachments.scala b/src/reflect/scala/reflect/internal/StdAttachments.scala index 09fd996f39..b331bf75f6 100644 --- a/src/reflect/scala/reflect/internal/StdAttachments.scala +++ b/src/reflect/scala/reflect/internal/StdAttachments.scala @@ -36,6 +36,10 @@ trait StdAttachments { */ case object ForAttachment extends PlainAttachment + /** Identifies unit constants which were inserted by the compiler. + */ + case object SyntheticUnitAttachment extends PlainAttachment + /** Untyped list of subpatterns attached to selector dummy. */ case class SubpatternsAttachment(patterns: List[Tree]) } |