diff options
| -rw-r--r-- | src/dotty/tools/dotc/Run.scala | 1 | ||||
| -rw-r--r-- | src/dotty/tools/dotc/core/Contexts.scala | 10 |
2 files changed, 11 insertions, 0 deletions
diff --git a/src/dotty/tools/dotc/Run.scala b/src/dotty/tools/dotc/Run.scala index 114f994be..ba86e3e70 100644 --- a/src/dotty/tools/dotc/Run.scala +++ b/src/dotty/tools/dotc/Run.scala @@ -50,6 +50,7 @@ class Run(comp: Compiler)(implicit ctx: Context) { } protected def compileUnits() = Stats.monitorHeartBeat { + ctx.checkSingleThreaded() val phases = ctx.squashPhases(ctx.phasePlan, ctx.settings.Yskip.value, ctx.settings.YstopBefore.value, ctx.settings.YstopAfter.value, ctx.settings.Ycheck.value) ctx.usePhases(phases) diff --git a/src/dotty/tools/dotc/core/Contexts.scala b/src/dotty/tools/dotc/core/Contexts.scala index f9d64b2cc..d5fdba1af 100644 --- a/src/dotty/tools/dotc/core/Contexts.scala +++ b/src/dotty/tools/dotc/core/Contexts.scala @@ -611,6 +611,16 @@ object Contexts { superIdOfClass.clear() lastSuperId = -1 } + + // Test that access is single threaded + + /** The thread on which `checkSingleThreaded was invoked last */ + @sharable private var thread: Thread = null + + /** Check that we are on the same thread as before */ + def checkSingleThreaded() = + if (thread == null) thread = Thread.currentThread() + else assert(thread == Thread.currentThread(), "illegal multithreaded access to ContextBase") } object Context { |