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• Static-semantics

Check-transform-args

Signature

(check-transform-args args arg-info default-arg-info ctxt) 
  → 
err?

Arguments

args — Guard (transform-argument-listp args).

arg-info — Guard (alistp arg-info).

default-arg-info — Guard (alistp default-arg-info).

ctxt — Guard (contextp ctxt).

Definitions and Theorems

Function: check-transform-args

(defun check-transform-args (args arg-info default-arg-info ctxt)
 (declare (xargs :guard (and (transform-argument-listp args)
                             (alistp arg-info)
                             (alistp default-arg-info)
                             (contextp ctxt))))
 (let ((__function__ 'check-transform-args))
  (declare (ignorable __function__))
  (if (endp args)
      (let ((remaining-required-args
                 (args-without-defaults arg-info default-arg-info)))
        (and remaining-required-args
             (list :missing-fields remaining-required-args)))
    (b* (((transform-argument arg) (car args))
         (arg-name (identifier->name arg.name))
         (this-arg-info (assoc-equal arg-name arg-info))
         ((unless this-arg-info)
          (list :unknown-transform-field arg-name)))
      (check-transform-args (cdr args)
                            (remove-equal this-arg-info arg-info)
                            default-arg-info ctxt)))))

Theorem: check-transform-args-of-transform-argument-list-fix-args

(defthm check-transform-args-of-transform-argument-list-fix-args
 (equal (check-transform-args (transform-argument-list-fix args)
                              arg-info default-arg-info ctxt)
        (check-transform-args args arg-info default-arg-info ctxt)))

Theorem: check-transform-args-transform-argument-list-equiv-congruence-on-args

(defthm
 check-transform-args-transform-argument-list-equiv-congruence-on-args
 (implies
   (transform-argument-list-equiv args args-equiv)
   (equal (check-transform-args args arg-info default-arg-info ctxt)
          (check-transform-args args-equiv
                                arg-info default-arg-info ctxt)))
 :rule-classes :congruence)

Theorem: check-transform-args-of-context-fix-ctxt

(defthm check-transform-args-of-context-fix-ctxt
 (equal (check-transform-args args arg-info
                              default-arg-info (context-fix ctxt))
        (check-transform-args args arg-info default-arg-info ctxt)))

Theorem: check-transform-args-context-equiv-congruence-on-ctxt

(defthm check-transform-args-context-equiv-congruence-on-ctxt
 (implies
  (context-equiv ctxt ctxt-equiv)
  (equal
       (check-transform-args args arg-info default-arg-info ctxt)
       (check-transform-args args
                             arg-info default-arg-info ctxt-equiv)))
 :rule-classes :congruence)