diff options
Diffstat (limited to 'compiler/src/dotty/tools/dotc/core')
| -rw-r--r-- | compiler/src/dotty/tools/dotc/core/Contexts.scala | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/compiler/src/dotty/tools/dotc/core/Contexts.scala b/compiler/src/dotty/tools/dotc/core/Contexts.scala index 909cebcc7..a1b99d16d 100644 --- a/compiler/src/dotty/tools/dotc/core/Contexts.scala +++ b/compiler/src/dotty/tools/dotc/core/Contexts.scala @@ -422,6 +422,13 @@ object Contexts { final def withOwner(owner: Symbol): Context = if (owner ne this.owner) fresh.setOwner(owner) else this + final def withProperty[T](key: Key[T], value: Option[T]): Context = + if (property(key) == value) this + else value match { + case Some(v) => fresh.setProperty(key, v) + case None => fresh.dropProperty(key) + } + override def toString = { def iinfo(implicit ctx: Context) = if (ctx.importInfo == null) "" else i"${ctx.importInfo.selectors}%, %" "Context(\n" + @@ -470,6 +477,9 @@ object Contexts { def setProperty[T](key: Key[T], value: T): this.type = setMoreProperties(moreProperties.updated(key, value)) + def dropProperty(key: Key[_]): this.type = + setMoreProperties(moreProperties - key) + def setPhase(pid: PhaseId): this.type = setPeriod(Period(runId, pid)) def setPhase(phase: Phase): this.type = setPeriod(Period(runId, phase.start, phase.end)) |