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Syntax-abstraction

Abs-record-declaration

Abstract a record-declaration to a struct declaration.

Signature
(abs-record-declaration tree) → recdef
Arguments: tree — Guard (abnf::treep tree).
Returns: recdef — Type (structdecl-resultp recdef).

Note that a record declaration is just a special kind of struct declaration.

Definitions and Theorems

Function: abs-record-declaration

(defun abs-record-declaration (tree)
  (declare (xargs :guard (abnf::treep tree)))
  (let ((__function__ 'abs-record-declaration))
    (declare (ignorable __function__))
    (b* (((okf (abnf::tree-list-tuple5 sub))
          (abnf::check-tree-nonleaf-5 tree "record-declaration"))
         ((okf tree)
          (abnf::check-tree-list-1 sub.1st))
         ((okf &)
          (abnf::check-tree-schars tree "record"))
         ((okf tree)
          (abnf::check-tree-list-1 sub.2nd))
         ((okf name) (abs-identifier tree))
         ((okf tree)
          (abnf::check-tree-list-1 sub.3rd))
         ((okf &)
          (abnf::check-tree-schars tree "{"))
         ((okf tree)
          (abnf::check-tree-list-1 sub.4th))
         ((okf compdecls)
          (abs-struct-component-declarations tree))
         ((okf tree)
          (abnf::check-tree-list-1 sub.5th))
         ((okf &)
          (abnf::check-tree-schars tree "}")))
      (make-structdecl :name name
                       :components compdecls
                       :recordp t))))

Theorem: structdecl-resultp-of-abs-record-declaration

(defthm structdecl-resultp-of-abs-record-declaration
  (b* ((recdef (abs-record-declaration tree)))
    (structdecl-resultp recdef))
  :rule-classes :rewrite)

Theorem: abs-record-declaration-of-tree-fix-tree

(defthm abs-record-declaration-of-tree-fix-tree
  (equal (abs-record-declaration (abnf::tree-fix tree))
         (abs-record-declaration tree)))

Theorem: abs-record-declaration-tree-equiv-congruence-on-tree

(defthm abs-record-declaration-tree-equiv-congruence-on-tree
  (implies (abnf::tree-equiv tree tree-equiv)
           (equal (abs-record-declaration tree)
                  (abs-record-declaration tree-equiv)))
  :rule-classes :congruence)