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Index stable history trees during normalization

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This commit is contained in:
Eric Rakestraw
2026-10-27 03:08:34 +00:00
parent 3f389662e9
commit 9ff873f54c
6 changed files with 30 additions and 89 deletions
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58
internal/engine/history_source.go
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@@ -26,7 +26,6 @@ type historySourcePayload struct {
hasApplicationRef bool
path Path
origin Origin
contributions []historyPayloadRef
}
func (builder *historyBuilder) observeBaseline(root *document.Node) {
@@ -128,8 +127,7 @@ func (builder *historyBuilder) observeSourceEvidence(root *document.Node, origin
if !found || origin.Layer == "" || sourceOriginRepresentedByOperation(builder.model, path, origin) {
return
}
contributions := builder.sourceContributions(path, origin)
payload := builder.addSourceSummary(path, origin, contributions)
payload := builder.addSourceSummary(path, origin)
attribution := builder.addAttribution(origin, nil, nil)
builder.addObservation(historyObservation{
path: path, phase: historyPhaseSources, payload: payload,
@@ -173,69 +171,17 @@ func (builder *historyBuilder) addSourcePayload(application *historyApplication,
return payload
}
func (builder *historyBuilder) addSourceSummary(path Path, origin Origin, contributions []historyPayloadRef) historyPayloadRef {
func (builder *historyBuilder) addSourceSummary(path Path, origin Origin) historyPayloadRef {
payload := builder.nextPayload(historyPhaseSources)
if payload.id != len(builder.model.sourcePayloads) {
panic("configkit: source payload identifiers are out of order")
}
builder.model.sourcePayloads = append(builder.model.sourcePayloads, historySourcePayload{
kind: historySourceSummaryPayload, path: path.clone(), origin: cloneOrigin(origin),
contributions: append([]historyPayloadRef(nil), contributions...),
})
return payload
}
func (builder *historyBuilder) sourceContributions(path Path, summary Origin) []historyPayloadRef {
var contributions []historyPayloadRef
seen := make(map[historyPayloadRef]struct{})
for _, observationID := range builder.model.observationsByPointer[path.String()] {
observation := builder.model.observations[observationID]
if observation.phase != historyPhaseSources || observation.role != historyRoleContribution || !sameConcreteHistoryPath(path, observation.path) {
continue
}
attribution, ok := builder.model.resolveAttribution(observation.attributionRef)
if !ok || !sourceLocationsContainedBy(attribution.origin, summary) {
continue
}
if observation.payload.id < 0 || observation.payload.id >= len(builder.model.sourcePayloads) {
continue
}
payload := builder.model.sourcePayloads[observation.payload.id]
if payload.kind != historySourceApplicationPayload {
continue
}
local, ok := historyApplicationLocalPath(payload.application, path)
if !ok {
continue
}
if _, exists := documentAtPath(payload.application.value, local); !exists {
continue
}
if _, exists := seen[observation.payload]; exists {
continue
}
seen[observation.payload] = struct{}{}
contributions = append(contributions, observation.payload)
}
return contributions
}
func sourceLocationsContainedBy(candidate, summary Origin) bool {
if len(candidate.Locations) == 0 {
return false
}
available := make(map[Location]struct{}, len(summary.Locations))
for _, location := range summary.Locations {
available[location] = struct{}{}
}
for _, location := range candidate.Locations {
if _, found := available[location]; !found {
return false
}
}
return true
}
func sourceApplicationOrigin(application historyApplication, node *document.Node) Origin {
origin := cloneOrigin(application.origin)
origin.Layer = application.layer