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Push-call-dinfo

Push information about a call onto the call stack of a dynamic environment.

Signature

(push-call-dinfo info env) → new-env

Arguments

info — Guard (call-dinfop info).

env — Guard (denvp env).

Returns

new-env — Type (denvp new-env).

Definitions and Theorems

Function: push-call-dinfo

(defun push-call-dinfo (info env)
  (declare (xargs :guard (and (call-dinfop info) (denvp env))))
  (let ((__function__ 'push-call-dinfo))
    (declare (ignorable __function__))
    (b* ((calls (denv->call-stack env))
         (new-calls (cons info calls))
         (new-env (change-denv env
                               :call-stack new-calls)))
      new-env)))

Theorem: denvp-of-push-call-dinfo

(defthm denvp-of-push-call-dinfo
  (b* ((new-env (push-call-dinfo info env)))
    (denvp new-env))
  :rule-classes :rewrite)

Theorem: push-call-dinfo-of-call-dinfo-fix-info

(defthm push-call-dinfo-of-call-dinfo-fix-info
  (equal (push-call-dinfo (call-dinfo-fix info)
                          env)
         (push-call-dinfo info env)))

Theorem: push-call-dinfo-call-dinfo-equiv-congruence-on-info

(defthm push-call-dinfo-call-dinfo-equiv-congruence-on-info
  (implies (call-dinfo-equiv info info-equiv)
           (equal (push-call-dinfo info env)
                  (push-call-dinfo info-equiv env)))
  :rule-classes :congruence)

Theorem: push-call-dinfo-of-denv-fix-env

(defthm push-call-dinfo-of-denv-fix-env
  (equal (push-call-dinfo info (denv-fix env))
         (push-call-dinfo info env)))

Theorem: push-call-dinfo-denv-equiv-congruence-on-env

(defthm push-call-dinfo-denv-equiv-congruence-on-env
  (implies (denv-equiv env env-equiv)
           (equal (push-call-dinfo info env)
                  (push-call-dinfo info env-equiv)))
  :rule-classes :congruence)