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(zilch planner step): add (build-plan-next-id)

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puck 2025-03-08 14:11:51 +00:00
parent 930e9f6b15
commit c23a039972
1 changed files with 9 additions and 2 deletions
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11
planner/src/step.sld
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@ -8,6 +8,8 @@
register-build-step
empty-build-plan build-plan-print build-plan-tick
build-plan-next-id
build-plan-current-plan
build-plan-append build-plan-tail-call build-plan-return-append)
@ -40,10 +42,15 @@
(define (empty-build-plan)
(make-build-plan (mapping (make-default-comparator)) '() (mapping (make-default-comparator)) 0))
;; Appends a new step to the build plan, returning its ID.
(define (build-plan-append plan type args dependencies)
;; Returns a monotonically-increasing identifier for this build plan.
(define (build-plan-next-id plan)
(define id (+ (build-plan-last-id plan) 1))
(set-build-plan-last-id! plan id)
id)
;; Appends a new step to the build plan, returning its ID.
(define (build-plan-append plan type args dependencies)
(define id (build-plan-next-id plan))
(define new-step (make-build-step id dependencies type args))
(set-build-plan-steps! plan (mapping-set! (build-plan-steps plan) id new-step))
id)