Revert to var Turn
This commit is contained in:
parent
e217a9378d
commit
dc4bf22675
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@ -35,21 +35,21 @@ proc `??`*(pat: Pattern; bindings: openArray[(int, Pattern)]): Pattern {.inline.
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patterns.inject(pat, bindings)
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type
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PublishProc = proc (turn: Turn; v: Value; h: Handle) {.closure.}
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RetractProc = proc (turn: Turn; h: Handle) {.closure.}
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MessageProc = proc (turn: Turn; v: Value) {.closure.}
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PublishProc = proc (turn: var Turn; v: Value; h: Handle) {.closure.}
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RetractProc = proc (turn: var Turn; h: Handle) {.closure.}
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MessageProc = proc (turn: var Turn; v: Value) {.closure.}
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ClosureEntity = ref object of Entity
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publishImpl*: PublishProc
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retractImpl*: RetractProc
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messageImpl*: MessageProc
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method publish(e: ClosureEntity; turn: Turn; a: AssertionRef; h: Handle) =
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method publish(e: ClosureEntity; turn: var Turn; a: AssertionRef; h: Handle) =
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if not e.publishImpl.isNil: e.publishImpl(turn, a.value, h)
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method retract(e: ClosureEntity; turn: Turn; h: Handle) =
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method retract(e: ClosureEntity; turn: var Turn; h: Handle) =
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if not e.retractImpl.isNil: e.retractImpl(turn, h)
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method message(e: ClosureEntity; turn: Turn; a: AssertionRef) =
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method message(e: ClosureEntity; turn: var Turn; a: AssertionRef) =
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if not e.messageImpl.isNil: e.messageImpl(turn, a.value)
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proc argumentCount(handler: NimNode): int =
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@ -94,7 +94,7 @@ proc wrapPublishHandler(turn, handler: NimNode): NimNode =
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handlerSym = genSym(nskProc, "publish")
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bindingsSym = ident"bindings"
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quote do:
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proc `handlerSym`(`turn`: Turn; `bindingsSym`: Value; `handleSym`: Handle) =
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proc `handlerSym`(`turn`: var Turn; `bindingsSym`: Value; `handleSym`: Handle) =
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`varSection`
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if fromPreserves(`valuesSym`, bindings):
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`publishBody`
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@ -106,7 +106,7 @@ proc wrapMessageHandler(turn, handler: NimNode): NimNode =
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handlerSym = genSym(nskProc, "message")
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bindingsSym = ident"bindings"
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quote do:
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proc `handlerSym`(`turn`: Turn; `bindingsSym`: Value) =
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proc `handlerSym`(`turn`: var Turn; `bindingsSym`: Value) =
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`varSection`
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if fromPreserves(`valuesSym`, bindings):
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`body`
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@ -120,17 +120,17 @@ proc wrapDuringHandler(turn, entryBody, exitBody: NimNode): NimNode =
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duringSym = genSym(nskProc, "during")
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if exitBody.isNil:
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quote do:
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proc `duringSym`(`turn`: Turn; `bindingsSym`: Value; `handleSym`: Handle): TurnAction =
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proc `duringSym`(`turn`: var Turn; `bindingsSym`: Value; `handleSym`: Handle): TurnAction =
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`varSection`
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if fromPreserves(`valuesSym`, `bindingsSym`):
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`publishBody`
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else:
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quote do:
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proc `duringSym`(`turn`: Turn; `bindingsSym`: Value; `handleSym`: Handle): TurnAction =
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proc `duringSym`(`turn`: var Turn; `bindingsSym`: Value; `handleSym`: Handle): TurnAction =
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`varSection`
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if fromPreserves(`valuesSym`, `bindingsSym`):
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`publishBody`
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proc action(`turn`: Turn) =
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proc action(`turn`: var Turn) =
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`exitBody`
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result = action
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@ -59,7 +59,7 @@ type
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facetIdAllocator: uint
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exiting, exited: bool
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TurnAction* = proc (t: Turn) {.closure.}
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TurnAction* = proc (t: var Turn) {.closure.}
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Turn* = ref object
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facet: Facet # active facet that may change during a turn
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@ -156,11 +156,13 @@ proc hash*(facet): Hash =
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proc hash*(r: Cap): Hash = !$(r.relay.hash !& r.target.unsafeAddr.hash)
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proc actor*(turn): Actor = turn.facet.actor
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proc nextHandle(facet: Facet): Handle =
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result = succ(facet.actor.handleAllocator[])
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facet.actor.handleAllocator[] = result
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proc queueWork*(turn: Turn; facet: Facet; act: TurnAction) =
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proc queueWork*(turn: var Turn; facet: Facet; act: TurnAction) =
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assert not facet.isNil
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turn.work.addLast((facet, act,))
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@ -172,7 +174,7 @@ proc queueTurn*(facet: Facet; act: TurnAction) =
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turn.desc.id = nextTurnId()
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turnQueue.addLast(turn)
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proc queueTurn*(prev: Turn; facet: Facet; act: TurnAction) =
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proc queueTurn*(prev: var Turn; facet: Facet; act: TurnAction) =
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var next = Turn(facet: facet)
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assert not facet.isNil
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next.work.addLast((facet, act,))
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@ -309,12 +311,12 @@ proc runRewrites*(a: Attenuation; v: Value): Value =
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result = examineAlternatives(stage, result)
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if result.isFalse: break
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proc publish(turn: Turn; cap: Cap; v: Value; h: Handle) =
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proc publish(turn: var Turn; cap: Cap; v: Value; h: Handle) =
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var a = runRewrites(cap.attenuation, v)
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if not a.isFalse:
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let e = OutboundAssertion(handle: h, peer: cap)
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turn.facet.outbound[h] = e
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queueEffect(turn, cap.relay) do (turn: Turn):
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queueEffect(turn, cap.relay) do (turn: var Turn):
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e.established = true
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publish(cap.target, turn, AssertionRef(value: a), e.handle)
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when tracing:
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@ -328,54 +330,54 @@ proc publish(turn: Turn; cap: Cap; v: Value; h: Handle) =
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act.enqueue.event.detail.assert.handle = h
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turn.desc.actions.add act
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proc publish*(turn: Turn; r: Cap; a: Value): Handle {.discardable.} =
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proc publish*(turn: var Turn; r: Cap; a: Value): Handle {.discardable.} =
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result = turn.facet.nextHandle()
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publish(turn, r, a, result)
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proc publish*[T](turn: Turn; r: Cap; a: T): Handle {.discardable.} =
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proc publish*[T](turn: var Turn; r: Cap; a: T): Handle {.discardable.} =
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publish(turn, r, a.toPreserves)
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proc retract(turn: Turn; e: OutboundAssertion) =
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queueEffect(turn, e.peer.relay) do (turn: Turn):
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proc retract(turn: var Turn; e: OutboundAssertion) =
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queueEffect(turn, e.peer.relay) do (turn: var Turn):
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if e.established:
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e.established = false
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e.peer.target.retract(turn, e.handle)
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proc retract*(turn: Turn; h: Handle) =
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proc retract*(turn: var Turn; h: Handle) =
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var e: OutboundAssertion
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if turn.facet.outbound.pop(h, e):
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turn.retract(e)
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proc message*(turn: Turn; r: Cap; v: Value) =
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proc message*(turn: var Turn; r: Cap; v: Value) =
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var a = runRewrites(r.attenuation, v)
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if not a.isFalse:
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queueEffect(turn, r.relay) do (turn: Turn):
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queueEffect(turn, r.relay) do (turn: var Turn):
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r.target.message(turn, AssertionRef(value: a))
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proc message*[T](turn: Turn; r: Cap; v: T) =
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queueEffect(turn, r.relay) do (turn: Turn):
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message(turn, r, v.toPreserves)
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proc sync(turn: Turn; e: Entity; peer: Cap) =
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proc sync(turn: var Turn; e: Entity; peer: Cap) =
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e.sync(turn, peer)
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proc sync*(turn: Turn; r, peer: Cap) =
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queueEffect(turn, r.relay) do (turn: Turn):
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proc sync*(turn: var Turn; r, peer: Cap) =
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queueEffect(turn, r.relay) do (turn: var Turn):
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sync(turn, r.target, peer)
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proc replace*[T](turn: Turn; cap: Cap; h: Handle; v: T): Handle =
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proc replace*[T](turn: var Turn; cap: Cap; h: Handle; v: T): Handle =
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result = publish(turn, cap, v)
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if h != default(Handle):
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retract(turn, h)
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proc replace*[T](turn: Turn; cap: Cap; h: var Handle; v: T): Handle {.discardable.} =
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proc replace*[T](turn: var Turn; cap: Cap; h: var Handle; v: T): Handle {.discardable.} =
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var old = h
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h = publish(turn, cap, v)
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if old != default(Handle):
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retract(turn, old)
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h
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proc stop*(turn: Turn)
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proc stop*(turn: var Turn)
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proc newFacet(actor; parent: Facet; initialAssertions: OutboundTable): Facet =
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inc actor.facetIdAllocator
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@ -410,13 +412,13 @@ proc preventInertCheck*(facet): (proc()) {.discardable.} =
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proc terminate(actor; turn; reason: ref Exception)
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proc terminate(facet; turn: Turn; orderly: bool) =
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proc terminate(facet; turn: var Turn; orderly: bool) =
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if facet.isAlive:
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facet.isAlive = false
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let parent = facet.parent
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if not parent.isNil:
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parent.children.excl facet
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queueWork(turn, facet) do (turn: Turn):
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queueWork(turn, facet) do (turn: var Turn):
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while facet.children.len > 0:
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facet.children.pop.terminate(turn, orderly)
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if orderly:
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@ -428,7 +430,6 @@ proc terminate(facet; turn: Turn; orderly: bool) =
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if parent.isInert:
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parent.terminate(turn, true)
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else:
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stderr.writeLine "terminate facet is terminating ", facet.actor.name
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terminate(facet.actor, turn, nil)
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when tracing:
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var act = ActionDescription(orKind: ActionDescriptionKind.facetStop)
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@ -437,19 +438,18 @@ proc terminate(facet; turn: Turn; orderly: bool) =
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proc stopIfInertAfter(action: TurnAction): TurnAction =
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# TODO: verify this
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proc wrapper(turn: Turn) =
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proc wrapper(turn: var Turn) =
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action(turn)
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queueEffect(turn, turn.facet) do (turn: Turn):
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queueEffect(turn, turn.facet) do (turn: var Turn):
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if (not turn.facet.parent.isNil and
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(not turn.facet.parent.isAlive)) or
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turn.facet.isInert:
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stderr.writeLine("stopIfInertAfter stops turn")
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stop(turn)
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wrapper
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proc newFacet(turn: Turn): Facet = newFacet(turn.facet.actor, turn.facet)
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proc newFacet(turn: var Turn): Facet = newFacet(turn.facet.actor, turn.facet)
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proc inFacet*(turn: Turn; bootProc: TurnAction): Facet =
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proc inFacet*(turn: var Turn; bootProc: TurnAction): Facet =
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result = newFacet(turn)
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let facet = turn.facet
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turn.facet = result
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stopIfInertAfter(bootProc)(turn)
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turn.facet = facet
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proc facet(turn: Turn; bootProc: TurnAction): Facet {.deprecated.} = inFacet(turn, bootProc)
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proc facet(turn: var Turn; bootProc: TurnAction): Facet {.deprecated.} = inFacet(turn, bootProc)
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proc newActor(name: string; parent: Facet): Actor =
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result = Actor(
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@ -494,9 +494,9 @@ proc bootActor*(name: string; bootProc: TurnAction): Actor {.discardable.} =
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turn.desc.cause.external.description = "bootActor".toPreserves
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turnQueue.addLast turn
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proc spawnActor*(name: string; turn: Turn; bootProc: TurnAction; initialAssertions = initHashSet[Handle]()): Actor {.discardable.} =
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proc spawnActor*(name: string; turn: var Turn; bootProc: TurnAction; initialAssertions = initHashSet[Handle]()): Actor {.discardable.} =
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let actor = newActor(name, turn.facet)
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queueEffect(turn, actor.root) do (turn: Turn):
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queueEffect(turn, actor.root) do (turn: var Turn):
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var newOutBound: Table[Handle, OutboundAssertion]
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for key in initialAssertions:
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discard turn.facet.outbound.pop(key, newOutbound[key])
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run(actor, bootProc, newOutBound)
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actor
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proc spawn*(name: string; turn: Turn; bootProc: TurnAction; initialAssertions = initHashSet[Handle]()): Actor {.discardable.} =
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proc spawn*(name: string; turn: var Turn; bootProc: TurnAction; initialAssertions = initHashSet[Handle]()): Actor {.discardable.} =
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spawnActor(name, turn, bootProc, initialAssertions)
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type StopOnRetract = ref object of Entity
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method retract*(e: StopOnRetract; turn: Turn; h: Handle) =
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stderr.writeLIne "StopOnRetract stops turn ", turn, " of ", turn.facet.actor
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method retract*(e: StopOnRetract; turn: var Turn; h: Handle) =
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stop(turn)
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proc halfLink(facet, other: Facet) =
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@ -524,7 +523,7 @@ proc halfLink(facet, other: Facet) =
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established: true,
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)
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proc spawnLink*(name: string; turn: Turn; bootProc: TurnAction; initialAssertions = initHashSet[Handle]()): Actor {.discardable.} =
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proc spawnLink*(name: string; turn: var Turn; bootProc: TurnAction; initialAssertions = initHashSet[Handle]()): Actor {.discardable.} =
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result = spawnActor(name, turn, bootProc, initialAssertions)
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halfLink(turn.facet, result.root)
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halfLink(result.root, turn.facet)
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act.stop.status.error.message = reason.msg
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trace(actor, act)
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for hook in actor.exitHooks: hook(turn)
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proc finish(turn: Turn) =
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proc finish(turn: var Turn) =
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assert not actor.root.isNil, actor.name
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actor.root.terminate(turn, reason.isNil)
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actor.exited = true
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queueTurn(actor.root, finish)
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proc terminate*(facet; e: ref Exception) =
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run(facet.actor.root) do (turn: Turn):
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run(facet.actor.root) do (turn: var Turn):
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facet.actor.terminate(turn, e)
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template recallFacet(turn: Turn; body: untyped): untyped =
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template recallFacet(turn: var Turn; body: untyped): untyped =
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let facet = turn.facet
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block:
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body
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assert facet.actor == turn.facet.actor, "turn of " & $facet.actor & " ended at " & $turn.facet.actor
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turn.facet = facet
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proc stopNow(turn: Turn) =
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proc stopNow(turn: var Turn) =
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let caller = turn.facet
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recallFacet turn:
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while caller.children.len > 0:
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queueEffect(turn, child, stopNow)
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caller.terminate(turn, true)
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proc stop*(turn: Turn, facet: Facet) =
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proc stop*(turn: var Turn, facet: Facet) =
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queueEffect(turn, facet, stopNow)
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proc stop*(turn: Turn) =
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proc stop*(turn: var Turn) =
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stop(turn, turn.facet)
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proc onStop*(facet: Facet; act: TurnAction) =
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## Add a `proc (turn: Turn)` action to `facet` to be called as it stops.
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## Add a `proc (turn: var Turn)` action to `facet` to be called as it stops.
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assert not facet.isNil
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add(facet.shutdownActions, act)
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proc onStop*(turn: Turn; act: TurnAction) =
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proc onStop*(turn: var Turn; act: TurnAction) =
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onStop(turn.facet, act)
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proc stop*(actor: Actor) =
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queueTurn(actor.root) do (turn: Turn):
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queueTurn(actor.root) do (turn: var Turn):
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assert(not turn.facet.isNil)
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stop(turn)
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proc stopActor*(facet: Facet) =
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stop(facet.actor)
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proc stopActor*(turn: Turn) =
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proc stopActor*(turn: var Turn) =
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assert(not turn.facet.isNil)
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assert(not turn.facet.actor.isNil)
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assert(not turn.facet.actor.root.isNil)
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stop(turn, turn.facet.actor.root)
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proc freshen*(turn: Turn, act: TurnAction) {.deprecated.} =
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proc freshen*(turn: var Turn, act: TurnAction) {.deprecated.} =
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run(turn.facet, act)
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proc newCap*(relay: Facet; e: Entity): Cap {.deprecated.} =
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@ -619,10 +618,10 @@ proc newCap*(e: Entity; turn): Cap =
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type SyncContinuation {.final.} = ref object of Entity
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action: TurnAction
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method message(entity: SyncContinuation; turn: Turn; v: AssertionRef) =
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method message(entity: SyncContinuation; turn: var Turn; v: AssertionRef) =
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entity.action(turn)
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proc sync*(turn: Turn; refer: Cap; act: TurnAction) =
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proc sync*(turn: var Turn; refer: Cap; act: TurnAction) =
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sync(turn, refer, newCap(turn, SyncContinuation(action: act)))
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proc running*(actor): bool =
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@ -630,7 +629,7 @@ proc running*(actor): bool =
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if not (result or actor.exitReason.isNil):
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raise actor.exitReason
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proc run(turn: Turn) =
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proc run(turn: var Turn) =
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while turn.work.len > 0:
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var (facet, act) = turn.work.popFirst()
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assert not act.isNil
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@ -59,7 +59,7 @@ when defined(linux):
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proc spawnTimerDriver(facet: Facet; cap: Cap): TimerDriver =
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let driver = TimerDriver(facet: facet, target: cap)
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facet.onStop do (turn: Turn):
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facet.onStop do (turn: var Turn):
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for fd in driver.timers:
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unregister(FD fd)
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discard close(fd)
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@ -89,16 +89,16 @@ when defined(linux):
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wait(FD fd, Read)
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if deadline in driver.deadlines:
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# Check if the deadline is still observed.
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proc turnWork(turn: Turn) =
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proc turnWork(turn: var Turn) =
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discard publish(turn, driver.target, LaterThan(seconds: deadline))
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run(driver.facet, turnWork)
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discard close(fd)
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driver.timers.excl(fd)
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proc spawnTimerActor*(turn: Turn; ds: Cap): Actor {.discardable.} =
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proc spawnTimerActor*(turn: var Turn; ds: Cap): Actor {.discardable.} =
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## Spawn a timer actor that responds to
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## dataspace observations of timeouts on `ds`.
|
||||
spawnLink("timers", turn) do (turn: Turn):
|
||||
spawnLink("timers", turn) do (turn: var Turn):
|
||||
let driver = spawnTimerDriver(turn.facet, ds)
|
||||
let pat = inject(grab Observe(pattern: dropType LaterThan), {0: grabLit()})
|
||||
during(turn, ds, pat) do (deadline: float):
|
||||
|
@ -108,7 +108,7 @@ when defined(linux):
|
|||
discard change(driver.deadlines, deadline, -1, clamp = true)
|
||||
# TODO: retract assertions that are unobserved.
|
||||
|
||||
proc after*(turn: Turn; ds: Cap; dur: Duration; act: TurnAction) =
|
||||
proc after*(turn: var Turn; ds: Cap; dur: Duration; act: TurnAction) =
|
||||
## Execute `act` after some duration of time.
|
||||
var later = clock_realtime().toFloat() + dur.inMilliseconds.float / 1_000.0
|
||||
onPublish(turn, ds, grab LaterThan(seconds: later)):
|
||||
|
|
|
@ -16,14 +16,14 @@ type
|
|||
index: Index
|
||||
handleMap: Table[Handle, Assertion]
|
||||
|
||||
method publish(ds: Dataspace; turn: Turn; a: AssertionRef; h: Handle) =
|
||||
method publish(ds: Dataspace; turn: var Turn; a: AssertionRef; h: Handle) =
|
||||
if add(ds.index, turn, a.value):
|
||||
var obs = a.value.preservesTo(Observe)
|
||||
if obs.isSome and obs.get.observer of Cap:
|
||||
ds.index.add(turn, obs.get.pattern, Cap(obs.get.observer))
|
||||
ds.handleMap[h] = a.value
|
||||
|
||||
method retract(ds: Dataspace; turn: Turn; h: Handle) =
|
||||
method retract(ds: Dataspace; turn: var Turn; h: Handle) =
|
||||
let v = ds.handleMap[h]
|
||||
if remove(ds.index, turn, v):
|
||||
ds.handleMap.del h
|
||||
|
@ -31,20 +31,20 @@ method retract(ds: Dataspace; turn: Turn; h: Handle) =
|
|||
if obs.isSome and obs.get.observer of Cap:
|
||||
ds.index.remove(turn, obs.get.pattern, Cap(obs.get.observer))
|
||||
|
||||
method message(ds: Dataspace; turn: Turn; a: AssertionRef) =
|
||||
method message(ds: Dataspace; turn: var Turn; a: AssertionRef) =
|
||||
ds.index.deliverMessage(turn, a.value)
|
||||
|
||||
proc newDataspace*(turn: Turn): Cap =
|
||||
proc newDataspace*(turn: var Turn): Cap =
|
||||
newCap(turn, Dataspace(index: initIndex()))
|
||||
|
||||
type BootProc = proc (turn: Turn; ds: Cap) {.closure.}
|
||||
type DeprecatedBootProc = proc (ds: Cap; turn: Turn) {.closure.}
|
||||
type BootProc = proc (turn: var Turn; ds: Cap) {.closure.}
|
||||
type DeprecatedBootProc = proc (ds: Cap; turn: var Turn) {.closure.}
|
||||
|
||||
proc bootDataspace*(name: string; bootProc: BootProc): Actor =
|
||||
bootActor(name) do (turn: Turn):
|
||||
bootActor(name) do (turn: var Turn):
|
||||
discard turn.facet.preventInertCheck()
|
||||
bootProc(turn, newDataspace(turn))
|
||||
|
||||
proc bootDataspace*(name: string; bootProc: DeprecatedBootProc): Actor {.deprecated.} =
|
||||
bootDataspace(name) do (turn: Turn, ds: Cap):
|
||||
bootDataspace(name) do (turn: var Turn, ds: Cap):
|
||||
bootProc(ds, turn)
|
||||
|
|
|
@ -6,7 +6,7 @@ import preserves
|
|||
import ./actors, ./patterns, ./protocols/dataspace
|
||||
|
||||
type
|
||||
DuringProc* = proc (turn: Turn; a: Value; h: Handle): TurnAction
|
||||
DuringProc* = proc (turn: var Turn; a: Value; h: Handle): TurnAction
|
||||
DuringActionKind = enum null, dead, act
|
||||
DuringAction = object
|
||||
case kind: DuringActionKind
|
||||
|
@ -17,7 +17,7 @@ type
|
|||
cb: DuringProc
|
||||
assertionMap: Table[Handle, DuringAction]
|
||||
|
||||
method publish(de: DuringEntity; turn: Turn; a: AssertionRef; h: Handle) =
|
||||
method publish(de: DuringEntity; turn: var Turn; a: AssertionRef; h: Handle) =
|
||||
let action = de.cb(turn, a.value, h)
|
||||
# assert(not action.isNil "should have put in a no-op action")
|
||||
let g = de.assertionMap.getOrDefault h
|
||||
|
@ -30,7 +30,7 @@ method publish(de: DuringEntity; turn: Turn; a: AssertionRef; h: Handle) =
|
|||
of act:
|
||||
raiseAssert("during: duplicate handle in publish: " & $h)
|
||||
|
||||
method retract(de: DuringEntity; turn: Turn; h: Handle) =
|
||||
method retract(de: DuringEntity; turn: var Turn; h: Handle) =
|
||||
let g = de.assertionMap.getOrDefault h
|
||||
case g.kind
|
||||
of null:
|
||||
|
@ -44,5 +44,5 @@ method retract(de: DuringEntity; turn: Turn; h: Handle) =
|
|||
|
||||
proc during*(cb: DuringProc): DuringEntity = DuringEntity(cb: cb)
|
||||
|
||||
proc observe*(turn: Turn; ds: Cap; pat: Pattern; e: Entity): Handle =
|
||||
proc observe*(turn: var Turn; ds: Cap; pat: Pattern; e: Entity): Handle =
|
||||
publish(turn, ds, Observe(pattern: pat, observer: newCap(turn, e)))
|
||||
|
|
|
@ -27,8 +27,8 @@ type
|
|||
Turn = syndicate.Turn
|
||||
WireRef = sturdy.WireRef
|
||||
|
||||
PacketWriter = proc (turn: Turn; buf: seq[byte]) {.closure.}
|
||||
RelaySetup = proc (turn: Turn; relay: Relay) {.closure.}
|
||||
PacketWriter = proc (turn: var Turn; buf: seq[byte]) {.closure.}
|
||||
RelaySetup = proc (turn: var Turn; relay: Relay) {.closure.}
|
||||
|
||||
Relay* = ref object
|
||||
facet: Facet
|
||||
|
@ -56,20 +56,20 @@ type
|
|||
proc releaseCapOut(r: Relay; e: WireSymbol) =
|
||||
r.exported.drop e
|
||||
|
||||
method publish(spe: SyncPeerEntity; t: Turn; a: AssertionRef; h: Handle) =
|
||||
method publish(spe: SyncPeerEntity; t: var Turn; a: AssertionRef; h: Handle) =
|
||||
spe.handleMap[h] = publish(t, spe.peer, a.value)
|
||||
|
||||
method retract(se: SyncPeerEntity; t: Turn; h: Handle) =
|
||||
method retract(se: SyncPeerEntity; t: var Turn; h: Handle) =
|
||||
var other: Handle
|
||||
if se.handleMap.pop(h, other):
|
||||
retract(t, other)
|
||||
|
||||
method message(se: SyncPeerEntity; t: Turn; a: AssertionRef) =
|
||||
method message(se: SyncPeerEntity; t: var Turn; a: AssertionRef) =
|
||||
if not se.e.isNil:
|
||||
se.relay.releaseCapOut(se.e)
|
||||
message(t, se.peer, a.value)
|
||||
|
||||
method sync(se: SyncPeerEntity; t: Turn; peer: Cap) =
|
||||
method sync(se: SyncPeerEntity; t: var Turn; peer: Cap) =
|
||||
sync(t, se.peer, peer)
|
||||
|
||||
proc newSyncPeerEntity(r: Relay; p: Cap): SyncPeerEntity =
|
||||
|
@ -106,40 +106,40 @@ proc deregister(relay: Relay; h: Handle) =
|
|||
if relay.outboundAssertions.pop(h, outbound):
|
||||
for e in outbound: releaseCapOut(relay, e)
|
||||
|
||||
proc send(relay: Relay; turn: Turn; rOid: protocol.Oid; m: Event) =
|
||||
proc send(relay: Relay; turn: var Turn; rOid: protocol.Oid; m: Event) =
|
||||
# TODO: don't send right away.
|
||||
var pendingTurn: protocol.Turn
|
||||
pendingTurn.add TurnEvent(oid: rOid, event: m)
|
||||
relay.facet.run do (turn: Turn):
|
||||
relay.facet.run do (turn: var Turn):
|
||||
var pkt = Packet(
|
||||
orKind: PacketKind.Turn,
|
||||
turn: pendingTurn)
|
||||
trace "C: ", pkt
|
||||
relay.packetWriter(turn, encode pkt)
|
||||
|
||||
proc send(re: RelayEntity; turn: Turn; ev: Event) =
|
||||
proc send(re: RelayEntity; turn: var Turn; ev: Event) =
|
||||
send(re.relay, turn, protocol.Oid re.oid, ev)
|
||||
|
||||
method publish(re: RelayEntity; t: Turn; a: AssertionRef; h: Handle) =
|
||||
method publish(re: RelayEntity; t: var Turn; a: AssertionRef; h: Handle) =
|
||||
re.send(t, Event(
|
||||
orKind: EventKind.Assert,
|
||||
`assert`: protocol.Assert(
|
||||
assertion: re.relay.register(a.value, h).rewritten,
|
||||
handle: h)))
|
||||
|
||||
method retract(re: RelayEntity; t: Turn; h: Handle) =
|
||||
method retract(re: RelayEntity; t: var Turn; h: Handle) =
|
||||
re.relay.deregister h
|
||||
re.send(t, Event(
|
||||
orKind: EventKind.Retract,
|
||||
retract: Retract(handle: h)))
|
||||
|
||||
method message(re: RelayEntity; turn: Turn; msg: AssertionRef) =
|
||||
method message(re: RelayEntity; turn: var Turn; msg: AssertionRef) =
|
||||
var (value, exported) = rewriteOut(re.relay, msg.value)
|
||||
assert(len(exported) == 0, "cannot send a reference in a message")
|
||||
if len(exported) == 0:
|
||||
re.send(turn, Event(orKind: EventKind.Message, message: Message(body: value)))
|
||||
|
||||
method sync(re: RelayEntity; turn: Turn; peer: Cap) =
|
||||
method sync(re: RelayEntity; turn: var Turn; peer: Cap) =
|
||||
var
|
||||
peerEntity = newSyncPeerEntity(re.relay, peer)
|
||||
exported: seq[WireSymbol]
|
||||
|
@ -193,7 +193,7 @@ proc rewriteIn(relay; facet; v: Value):
|
|||
|
||||
proc close(r: Relay) = discard
|
||||
|
||||
proc dispatch(relay: Relay; turn: Turn; cap: Cap; event: Event) =
|
||||
proc dispatch(relay: Relay; turn: var Turn; cap: Cap; event: Event) =
|
||||
case event.orKind
|
||||
of EventKind.Assert:
|
||||
let (a, imported) = rewriteIn(relay, turn.facet, event.assert.assertion)
|
||||
|
@ -216,14 +216,14 @@ proc dispatch(relay: Relay; turn: Turn; cap: Cap; event: Event) =
|
|||
#[
|
||||
var imported: seq[WireSymbol]
|
||||
let k = relay.rewriteCapIn(turn, evenr.sync.peer, imported)
|
||||
turn.sync(cap) do (turn: Turn):
|
||||
turn.sync(cap) do (turn: var Turn):
|
||||
turn.message(k, true)
|
||||
for e in imported: relay.imported.del e
|
||||
]#
|
||||
|
||||
proc dispatch(relay: Relay; v: Value) =
|
||||
trace "S: ", v
|
||||
run(relay.facet) do (t: Turn):
|
||||
run(relay.facet) do (t: var Turn):
|
||||
var pkt: Packet
|
||||
if pkt.fromPreserves(v):
|
||||
case pkt.orKind
|
||||
|
@ -261,10 +261,8 @@ type
|
|||
initialCap*: Cap
|
||||
nextLocalOid*: Option[Oid]
|
||||
|
||||
proc spawnRelay(name: string; turn: Turn; opts: RelayActorOptions; setup: RelaySetup) =
|
||||
stderr.writeLine "calling spawnActor for relay ", name
|
||||
spawnLink(name, turn) do (turn: Turn):
|
||||
stderr.writeLine "executing body of spawned actor relay ", name
|
||||
proc spawnRelay(name: string; turn: var Turn; opts: RelayActorOptions; setup: RelaySetup) =
|
||||
spawnLink(name, turn) do (turn: var Turn):
|
||||
let relay = Relay(
|
||||
facet: turn.facet,
|
||||
packetWriter: opts.packetWriter,
|
||||
|
@ -308,7 +306,7 @@ when defined(posix):
|
|||
stdin: AsyncFile
|
||||
alive: bool
|
||||
|
||||
method message(entity: StdioEntity; turn: Turn; ass: AssertionRef) =
|
||||
method message(entity: StdioEntity; turn: var Turn; ass: AssertionRef) =
|
||||
if ass.value.preservesTo(ForceDisconnect).isSome:
|
||||
entity.alive = false
|
||||
|
||||
|
@ -324,21 +322,20 @@ when defined(posix):
|
|||
entity.relay.recv(buf[], 0..<n)
|
||||
close(entity.stdin)
|
||||
|
||||
proc connectTransport(turn: Turn; ds: Cap; ta: transportAddress.Stdio) =
|
||||
proc connectTransport(turn: var Turn; ds: Cap; ta: transportAddress.Stdio) =
|
||||
## Connect to an external dataspace over stdio.
|
||||
proc stdoutWriter(turn: Turn; buf: seq[byte]) =
|
||||
proc stdoutWriter(turn: var Turn; buf: seq[byte]) =
|
||||
## Blocking write to stdout.
|
||||
let n = writeBytes(stdout, buf, 0, buf.len)
|
||||
flushFile(stdout)
|
||||
if n != buf.len:
|
||||
stderr.writeLine "short write to stdout, stopping actor"
|
||||
stopActor(turn)
|
||||
var opts = RelayActorOptions(
|
||||
packetWriter: stdoutWriter,
|
||||
initialCap: ds,
|
||||
initialOid: 0.Oid.some,
|
||||
)
|
||||
spawnRelay("stdio", turn, opts) do (turn: Turn; relay: Relay):
|
||||
spawnRelay("stdio", turn, opts) do (turn: var Turn; relay: Relay):
|
||||
let
|
||||
facet = turn.facet
|
||||
fd = stdin.getOsFileHandle()
|
||||
|
@ -348,8 +345,7 @@ when defined(posix):
|
|||
raiseOSError(osLastError())
|
||||
let entity = StdioEntity(
|
||||
facet: turn.facet, relay: relay, stdin: newAsyncFile(FD fd))
|
||||
onStop(entity.facet) do (turn: Turn):
|
||||
stderr.writeLine "entity for stdio stopped, set alive to false"
|
||||
onStop(entity.facet) do (turn: var Turn):
|
||||
entity.alive = false
|
||||
discard trampoline:
|
||||
whelp loop(entity)
|
||||
|
@ -359,7 +355,7 @@ when defined(posix):
|
|||
resolved: relay.peer.accepted,
|
||||
))
|
||||
|
||||
proc connectStdio*(turn: Turn; ds: Cap) =
|
||||
proc connectStdio*(turn: var Turn; ds: Cap) =
|
||||
## Connect to an external dataspace over stdin and stdout.
|
||||
connectTransport(turn, ds, transportAddress.Stdio())
|
||||
|
||||
|
@ -376,17 +372,17 @@ when defined(posix):
|
|||
|
||||
SocketEntity = TcpEntity | UnixEntity
|
||||
|
||||
method message(entity: SocketEntity; turn: Turn; ass: AssertionRef) =
|
||||
method message(entity: SocketEntity; turn: var Turn; ass: AssertionRef) =
|
||||
if ass.value.preservesTo(ForceDisconnect).isSome:
|
||||
entity.alive = false
|
||||
|
||||
type ShutdownEntity = ref object of Entity
|
||||
method retract(e: ShutdownEntity; turn: Turn; h: Handle) =
|
||||
method retract(e: ShutdownEntity; turn: var Turn; h: Handle) =
|
||||
stopActor(e.facet)
|
||||
|
||||
template bootSocketEntity() {.dirty.} =
|
||||
proc setup(turn: Turn) {.closure.} =
|
||||
proc kill(turn: Turn) =
|
||||
proc setup(turn: var Turn) {.closure.} =
|
||||
proc kill(turn: var Turn) =
|
||||
entity.alive = false
|
||||
onStop(turn, kill)
|
||||
publish(turn, ds, TransportConnection(
|
||||
|
@ -416,30 +412,28 @@ when defined(posix):
|
|||
bootSocketEntity()
|
||||
|
||||
template spawnSocketRelay() {.dirty.} =
|
||||
proc writeConn(turn: Turn; buf: seq[byte]) =
|
||||
stderr.writeLine "writing to socket…"
|
||||
proc writeConn(turn: var Turn; buf: seq[byte]) =
|
||||
discard trampoline:
|
||||
whelp write(entity.sock, buf)
|
||||
stderr.writeLine "maybe wrote to to socket"
|
||||
var ops = RelayActorOptions(
|
||||
packetWriter: writeConn,
|
||||
initialOid: 0.Oid.some,
|
||||
)
|
||||
spawnRelay("socket", turn, ops) do (turn: Turn; relay: Relay):
|
||||
spawnRelay("socket", turn, ops) do (turn: var Turn; relay: Relay):
|
||||
entity.facet = turn.facet
|
||||
entity.relay = relay
|
||||
discard trampoline:
|
||||
whelp boot(entity, ta, ds)
|
||||
|
||||
proc connectTransport(turn: Turn; ds: Cap; ta: transportAddress.Tcp) =
|
||||
proc connectTransport(turn: var Turn; ds: Cap; ta: transportAddress.Tcp) =
|
||||
let entity = TcpEntity()
|
||||
spawnSocketRelay()
|
||||
|
||||
proc connectTransport(turn: Turn; ds: Cap; ta: transportAddress.Unix) =
|
||||
proc connectTransport(turn: var Turn; ds: Cap; ta: transportAddress.Unix) =
|
||||
let entity = UnixEntity()
|
||||
spawnSocketRelay()
|
||||
|
||||
proc walk(turn: Turn; ds, origin: Cap; route: Route; transOff, stepOff: int) =
|
||||
proc walk(turn: var Turn; ds, origin: Cap; route: Route; transOff, stepOff: int) =
|
||||
if stepOff < route.pathSteps.len:
|
||||
let
|
||||
step = route.pathSteps[stepOff]
|
||||
|
@ -462,7 +456,7 @@ proc walk(turn: Turn; ds, origin: Cap; route: Route; transOff, stepOff: int) =
|
|||
resolved: origin.accepted,
|
||||
))
|
||||
|
||||
proc connectRoute(turn: Turn; ds: Cap; route: Route; transOff: int) =
|
||||
proc connectRoute(turn: var Turn; ds: Cap; route: Route; transOff: int) =
|
||||
let rejectPat = TransportConnection ?: {
|
||||
0: ?route.transports[transOff],
|
||||
2: ?:Rejected,
|
||||
|
@ -480,14 +474,14 @@ proc connectRoute(turn: Turn; ds: Cap; route: Route; transOff: int) =
|
|||
onPublish(turn, ds, acceptPat) do (origin: Cap):
|
||||
walk(turn, ds, origin, route, transOff, 0)
|
||||
|
||||
type StepCallback = proc (turn: Turn; step: Value; origin, next: Cap) {.closure.}
|
||||
type StepCallback = proc (turn: var Turn; step: Value; origin, next: Cap) {.closure.}
|
||||
|
||||
proc spawnStepResolver(turn: Turn; ds: Cap; stepType: Value; cb: StepCallback) =
|
||||
proc spawnStepResolver(turn: var Turn; ds: Cap; stepType: Value; cb: StepCallback) =
|
||||
let stepPat = grabRecord(stepType, grab())
|
||||
let pat = ?Observe(pattern: ResolvedPathStep?:{1: stepPat}) ?? {0: grabLit(), 1: grab()}
|
||||
during(turn, ds, pat) do (origin: Cap; stepDetail: Literal[Value]):
|
||||
let step = toRecord(stepType, stepDetail.value)
|
||||
proc duringCallback(turn: Turn; ass: Value; h: Handle): TurnAction =
|
||||
proc duringCallback(turn: var Turn; ass: Value; h: Handle): TurnAction =
|
||||
var res = ass.preservesTo Resolved
|
||||
if res.isSome:
|
||||
if res.get.orKind == ResolvedKind.accepted and
|
||||
|
@ -496,15 +490,14 @@ proc spawnStepResolver(turn: Turn; ds: Cap; stepType: Value; cb: StepCallback) =
|
|||
else:
|
||||
publish(turn, ds, ResolvedPathStep(
|
||||
origin: origin, pathStep: step, resolved: res.get))
|
||||
proc action(turn: Turn) =
|
||||
proc action(turn: var Turn) =
|
||||
stop(turn)
|
||||
result = action
|
||||
publish(turn, origin, Resolve(
|
||||
step: step, observer: newCap(turn, during(duringCallback))))
|
||||
|
||||
proc spawnRelays*(turn: Turn; ds: Cap) =
|
||||
proc spawnRelays*(turn: var Turn; ds: Cap) =
|
||||
## Spawn actors that manage routes and appeasing gatekeepers.
|
||||
stderr.writeLine "spawnRelays body is running"
|
||||
let transPat = ?Observe(pattern: !TransportConnection) ?? { 0: grab() }
|
||||
# Use a generic pattern and type matching
|
||||
# in the during handler because it is easy.
|
||||
|
@ -537,11 +530,11 @@ proc spawnRelays*(turn: Turn; ds: Cap) =
|
|||
connectRoute(turn, ds, route.value, i)
|
||||
|
||||
spawnStepResolver(turn, ds, "ref".toSymbol) do (
|
||||
turn: Turn, step: Value, origin: Cap, next: Cap):
|
||||
turn: var Turn, step: Value, origin: Cap, next: Cap):
|
||||
publish(turn, ds, ResolvedPathStep(
|
||||
origin: origin, pathStep: step, resolved: next.accepted))
|
||||
|
||||
type BootProc* = proc (turn: Turn; ds: Cap) {.closure.}
|
||||
type BootProc* = proc (turn: var Turn; ds: Cap) {.closure.}
|
||||
|
||||
const defaultRoute* = "<route [<stdio>]>"
|
||||
|
||||
|
@ -560,12 +553,12 @@ proc envRoute*: Route =
|
|||
if not result.fromPreserves(pr):
|
||||
raise newException(ValueError, "failed to parse $SYNDICATE_ROUTE " & $pr)
|
||||
|
||||
proc resolve*(turn: Turn; ds: Cap; route: Route; bootProc: BootProc) =
|
||||
proc resolve*(turn: var Turn; ds: Cap; route: Route; bootProc: BootProc) =
|
||||
## Resolve `route` within `ds` and call `bootProc` with resolved capabilities.
|
||||
during(turn, ds, ResolvePath ?: {0: ?route, 3: ?:ResolvedAccepted}) do (dst: Cap):
|
||||
bootProc(turn, dst)
|
||||
|
||||
proc resolveEnvironment*(turn: Turn; bootProc: BootProc) =
|
||||
proc resolveEnvironment*(turn: var Turn; bootProc: BootProc) =
|
||||
## Resolve a capability from the calling environment
|
||||
## and call `bootProc`. See envRoute_.
|
||||
let
|
||||
|
|
|
@ -67,7 +67,7 @@ func isEmpty(cont: Continuation): bool =
|
|||
type
|
||||
ContinuationProc = proc (c: Continuation; v: Value) {.closure.}
|
||||
LeafProc = proc (l: Leaf; v: Value) {.closure.}
|
||||
ObserverProc = proc (turn: Turn; group: ObserverGroup; vs: seq[Value]) {.closure.}
|
||||
ObserverProc = proc (turn: var Turn; group: ObserverGroup; vs: seq[Value]) {.closure.}
|
||||
|
||||
proc getLeaves(cont: Continuation; constPaths: Paths): LeafMap =
|
||||
result = cont.leafMap.getOrDefault(constPaths)
|
||||
|
@ -114,10 +114,10 @@ proc top(stack: TermStack): Value =
|
|||
assert stack.len > 0
|
||||
stack[stack.high]
|
||||
|
||||
proc modify(node: Node; turn: Turn; outerValue: Value; event: EventKind;
|
||||
proc modify(node: Node; turn: var Turn; outerValue: Value; event: EventKind;
|
||||
modCont: ContinuationProc; modLeaf: LeafProc; modObs: ObserverProc) =
|
||||
|
||||
proc walk(cont: Continuation; turn: Turn) =
|
||||
proc walk(cont: Continuation; turn: var Turn) =
|
||||
modCont(cont, outerValue)
|
||||
for constPaths, constValMap in cont.leafMap.pairs:
|
||||
let constVals = projectPaths(outerValue, constPaths)
|
||||
|
@ -142,7 +142,7 @@ proc modify(node: Node; turn: Turn; outerValue: Value; event: EventKind;
|
|||
constValMap.del(get constVals)
|
||||
|
||||
|
||||
proc walk(node: Node; turn: Turn; termStack: TermStack) =
|
||||
proc walk(node: Node; turn: var Turn; termStack: TermStack) =
|
||||
walk(node.continuation, turn)
|
||||
for selector, table in node.edges:
|
||||
let
|
||||
|
@ -227,7 +227,7 @@ proc getEndpoints(leaf: Leaf; capturePaths: Paths): ObserverGroup =
|
|||
if captures.isSome:
|
||||
discard result.cachedCaptures.change(get captures, +1)
|
||||
|
||||
proc add*(index: var Index; turn: Turn; pattern: Pattern; observer: Cap) =
|
||||
proc add*(index: var Index; turn: var Turn; pattern: Pattern; observer: Cap) =
|
||||
let
|
||||
cont = index.root.extend(pattern)
|
||||
analysis = analyse pattern
|
||||
|
@ -240,7 +240,7 @@ proc add*(index: var Index; turn: Turn; pattern: Pattern; observer: Cap) =
|
|||
captureMap[capture] = publish(turn, observer, capture)
|
||||
endpoints.observers[observer] = captureMap
|
||||
|
||||
proc remove*(index: var Index; turn: Turn; pattern: Pattern; observer: Cap) =
|
||||
proc remove*(index: var Index; turn: var Turn; pattern: Pattern; observer: Cap) =
|
||||
let
|
||||
cont = index.root.extend(pattern)
|
||||
analysis = analyse pattern
|
||||
|
@ -260,7 +260,7 @@ proc remove*(index: var Index; turn: Turn; pattern: Pattern; observer: Cap) =
|
|||
if constValMap.len == 0:
|
||||
cont.leafMap.del(analysis.constPaths)
|
||||
|
||||
proc adjustAssertion(index: var Index; turn: Turn; outerValue: Value; delta: int): bool =
|
||||
proc adjustAssertion(index: var Index; turn: var Turn; outerValue: Value; delta: int): bool =
|
||||
case index.allAssertions.change(outerValue, delta)
|
||||
of cdAbsentToPresent:
|
||||
result = true
|
||||
|
@ -268,7 +268,7 @@ proc adjustAssertion(index: var Index; turn: Turn; outerValue: Value; delta: int
|
|||
c.cache.incl(v)
|
||||
proc modLeaf(l: Leaf; v: Value) =
|
||||
l.cache.incl(v)
|
||||
proc modObserver(turn: Turn; group: ObserverGroup; vs: seq[Value]) =
|
||||
proc modObserver(turn: var Turn; group: ObserverGroup; vs: seq[Value]) =
|
||||
let change = group.cachedCaptures.change(vs, +1)
|
||||
if change == cdAbsentToPresent:
|
||||
for (observer, captureMap) in group.observers.pairs:
|
||||
|
@ -281,7 +281,7 @@ proc adjustAssertion(index: var Index; turn: Turn; outerValue: Value; delta: int
|
|||
c.cache.excl(v)
|
||||
proc modLeaf(l: Leaf; v: Value) =
|
||||
l.cache.excl(v)
|
||||
proc modObserver(turn: Turn; group: ObserverGroup; vs: seq[Value]) =
|
||||
proc modObserver(turn: var Turn; group: ObserverGroup; vs: seq[Value]) =
|
||||
if group.cachedCaptures.change(vs, -1) == cdPresentToAbsent:
|
||||
for (observer, captureMap) in group.observers.pairs:
|
||||
var h: Handle
|
||||
|
@ -293,12 +293,12 @@ proc adjustAssertion(index: var Index; turn: Turn; outerValue: Value; delta: int
|
|||
proc continuationNoop(c: Continuation; v: Value) = discard
|
||||
proc leafNoop(l: Leaf; v: Value) = discard
|
||||
|
||||
proc add*(index: var Index; turn: Turn; v: Value): bool =
|
||||
proc add*(index: var Index; turn: var Turn; v: Value): bool =
|
||||
adjustAssertion(index, turn, v, +1)
|
||||
proc remove*(index: var Index; turn: Turn; v: Value): bool =
|
||||
proc remove*(index: var Index; turn: var Turn; v: Value): bool =
|
||||
adjustAssertion(index, turn, v, -1)
|
||||
|
||||
proc deliverMessage*(index: var Index; turn: Turn; v: Value) =
|
||||
proc observersCb(turn: Turn; group: ObserverGroup; vs: seq[Value]) =
|
||||
proc deliverMessage*(index: var Index; turn: var Turn; v: Value) =
|
||||
proc observersCb(turn: var Turn; group: ObserverGroup; vs: seq[Value]) =
|
||||
for observer in group.observers.keys: message(turn, observer, vs)
|
||||
index.root.modify(turn, v, messageEvent, continuationNoop, leafNoop, observersCb)
|
||||
|
|
|
@ -5,21 +5,21 @@ import std/times
|
|||
import pkg/sys/ioqueue
|
||||
import syndicate, syndicate/actors/timers
|
||||
|
||||
let actor = bootActor("timer-test") do (turn: Turn):
|
||||
let actor = bootActor("timer-test") do (turn: var Turn):
|
||||
let timers = newDataspace(turn)
|
||||
spawnTimerActor(timers, turn)
|
||||
|
||||
onPublish(turn, timers, ?LaterThan(seconds: 1356100000)):
|
||||
echo "now in 13th bʼakʼtun"
|
||||
|
||||
after(turn, timers, initDuration(seconds = 3)) do (turn: Turn):
|
||||
after(turn, timers, initDuration(seconds = 3)) do (turn: var Turn):
|
||||
echo "third timer expired"
|
||||
stopActor(turn)
|
||||
|
||||
after(turn, timers, initDuration(seconds = 1)) do (turn: Turn):
|
||||
after(turn, timers, initDuration(seconds = 1)) do (turn: var Turn):
|
||||
echo "first timer expired"
|
||||
|
||||
after(turn, timers, initDuration(seconds = 2)) do (turn: Turn):
|
||||
after(turn, timers, initDuration(seconds = 2)) do (turn: var Turn):
|
||||
echo "second timer expired"
|
||||
|
||||
echo "single run of ioqueue"
|
||||
|
|
Loading…
Reference in New Issue