internal/core/adt: change slice type of notify

This is to accomodate the new closedness algorithm.
Doing this now makes upcoming diffs smaller.

Signed-off-by: Marcel van Lohuizen <[email protected]>
Change-Id: I786318a39635dfeb7dd1dd1fc854521e474ffe03
Reviewed-on: https://review.gerrithub.io/c/cue-lang/cue/+/1167912
Reviewed-by: Daniel Martí <[email protected]>
Unity-Result: CUE porcuepine <[email protected]>
TryBot-Result: CUEcueckoo <[email protected]>

Author: mpvl

internal/core/adt/composite.go

@@ -999,7 +999,8 @@ func (n *nodeContext) addConjunctDynamic(c Conjunct) {
 }
 
 func (n *nodeContext) notifyConjunct(c Conjunct) {
-	for _, arc := range n.notify {
+	for _, rec := range n.notify {
+		arc := rec.v
 		if !arc.hasConjunct(c) {
 			if arc.state == nil {
 				// TODO: continuing here is likely to result in a faulty

internal/core/adt/eval.go

@@ -138,7 +138,7 @@ func (c *OpContext) evaluate(v *Vertex, r Resolver, state vertexStatus) Value {
 		// relax this again once we have proper tests to prevent regressions of
 		// that issue.
 		if !v.state.done() || v.state.errs != nil {
-			v.state.addNotify(c.vertex)
+			v.state.addNotify(c.vertex, nil)
 		}
 	}
 
@@ -444,7 +444,8 @@ func (n *nodeContext) doNotify() {
 	if n.errs == nil || len(n.notify) == 0 {
 		return
 	}
-	for _, v := range n.notify {
+	for _, rec := range n.notify {
+		v := rec.v
 		if v.state == nil {
 			if b, ok := v.BaseValue.(*Bottom); ok {
 				v.BaseValue = CombineErrors(nil, b, n.errs)
@@ -974,7 +975,7 @@ type nodeContext struct {
 
 	// notify is used to communicate errors in cyclic dependencies.
 	// TODO: also use this to communicate increasingly more concrete values.
-	notify []*Vertex
+	notify []receiver
 
 	// Conjuncts holds a reference to the Vertex Arcs that still need
 	// processing. It does NOT need to be copied.
@@ -1062,6 +1063,12 @@ type nodeContextState struct {
 	conjunctsPartialPos int
 }
 
+// A receiver receives notifications.
+type receiver struct {
+	v  *Vertex
+	cc *closeContext
+}
+
 // Logf substitutes args in format. Arguments of type Feature, Value, and Expr
 // are printed in human-friendly formats. The printed string is prefixed and
 // indented with the path associated with the current nodeContext.
@@ -1080,9 +1087,9 @@ type defaultInfo struct {
 	origMode defaultMode
 }
 
-func (n *nodeContext) addNotify(v *Vertex) {
+func (n *nodeContext) addNotify(v *Vertex, cc *closeContext) {
 	if v != nil && !n.node.hasAllConjuncts {
-		n.notify = append(n.notify, v)
+		n.notify = append(n.notify, receiver{v, cc})
 	}
 }
 
@@ -1693,7 +1700,7 @@ func (n *nodeContext) addVertexConjuncts(c Conjunct, arc *Vertex, inline bool) {
 	}
 
 	if arc.state != nil {
-		arc.state.addNotify(n.node)
+		arc.state.addNotify(n.node, nil)
 	}
 
 	for _, c := range arc.Conjuncts {