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Syntax-abstraction

Abs-address-literal

Abstract an address-literal to an address literal.

Signature
(abs-address-literal tree) → lit
Arguments: tree — Guard (abnf::treep tree).
Returns: lit — Type (literal-resultp lit).

Definitions and Theorems

Function: abs-address-literal

(defun abs-address-literal (tree)
  (declare (xargs :guard (abnf::treep tree)))
  (let ((__function__ 'abs-address-literal))
    (declare (ignorable __function__))
    (b* (((okf (abnf::tree-list-tuple2 sub))
          (abnf::check-tree-nonleaf-2 tree "address-literal"))
         ((okf aleo1-tree)
          (abnf::check-tree-list-1 sub.1st))
         ((okf &)
          (abnf::check-tree-schars aleo1-tree "aleo1"))
         ((okf chars)
          (abs-*-lowercaseletter/decimaldigit sub.2nd))
         ((unless (= (len chars) 58))
          (reserrf (list :found chars)))
         (chars (append (acl2::explode "aleo1") chars)))
      (literal-address (address (acl2::implode chars))))))

Theorem: literal-resultp-of-abs-address-literal

(defthm literal-resultp-of-abs-address-literal
  (b* ((lit (abs-address-literal tree)))
    (literal-resultp lit))
  :rule-classes :rewrite)

Theorem: abs-address-literal-of-tree-fix-tree

(defthm abs-address-literal-of-tree-fix-tree
  (equal (abs-address-literal (abnf::tree-fix tree))
         (abs-address-literal tree)))

Theorem: abs-address-literal-tree-equiv-congruence-on-tree

(defthm abs-address-literal-tree-equiv-congruence-on-tree
  (implies (abnf::tree-equiv tree tree-equiv)
           (equal (abs-address-literal tree)
                  (abs-address-literal tree-equiv)))
  :rule-classes :congruence)