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| author | Martin Odersky <odersky@gmail.com> | 2015-12-11 13:48:51 +0100 |
|---|---|---|
| committer | Martin Odersky <odersky@gmail.com> | 2015-12-11 13:49:19 +0100 |
| commit | b8e05d5b955de664e4a5872f43c8184014cecf05 (patch) | |
| tree | f3ccaf2021cefc2da455322d42d6d6b4d12c7e7d /src/dotty/tools/dotc/core/Definitions.scala | |
| parent | 6cb2a3bcee8bc4fb9ae4d148c8e620d3ae41040f (diff) | |
| download | dotty-b8e05d5b955de664e4a5872f43c8184014cecf05.tar.gz dotty-b8e05d5b955de664e4a5872f43c8184014cecf05.tar.bz2 dotty-b8e05d5b955de664e4a5872f43c8184014cecf05.zip | |
Add isBottomType/Class tests to Definitions
Diffstat (limited to 'src/dotty/tools/dotc/core/Definitions.scala')
| -rw-r--r-- | src/dotty/tools/dotc/core/Definitions.scala | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/src/dotty/tools/dotc/core/Definitions.scala b/src/dotty/tools/dotc/core/Definitions.scala index 650cfe79c..5f794f2d5 100644 --- a/src/dotty/tools/dotc/core/Definitions.scala +++ b/src/dotty/tools/dotc/core/Definitions.scala @@ -588,6 +588,12 @@ class Definitions { name.startsWith(prefix) && name.drop(prefix.length).forall(_.isDigit) } + def isBottomClass(cls: Symbol) = cls == NothingClass || cls == NullClass + def isBottomType(tp: Type) = tp match { + case tp: TypeRef => isBottomClass(tp.symbol) + case _ => false + } + def isFunctionClass(cls: Symbol) = isVarArityClass(cls, tpnme.Function) def isAbstractFunctionClass(cls: Symbol) = isVarArityClass(cls, tpnme.AbstractFunction) def isTupleClass(cls: Symbol) = isVarArityClass(cls, tpnme.Tuple) |