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Syntax-abstraction

Abs-import-declaration

Abstract a import-declaration to an importdecl.

Signature
(abs-import-declaration tree) → decl
Arguments: tree — Guard (abnf::treep tree).
Returns: decl — Type (importdecl-resultp decl).

Definitions and Theorems

Function: abs-import-declaration

(defun abs-import-declaration (tree)
  (declare (xargs :guard (abnf::treep tree)))
  (let ((__function__ 'abs-import-declaration))
    (declare (ignorable __function__))
    (b* (((okf (abnf::tree-list-tuple3 sub))
          (abnf::check-tree-nonleaf-3 tree "import-declaration"))
         ((okf tree)
          (abnf::check-tree-list-1 sub.1st))
         ((okf &)
          (abnf::check-tree-schars tree "import"))
         ((okf tree)
          (abnf::check-tree-list-1 sub.2nd))
         ((okf progid) (abs-program-id tree))
         ((okf tree)
          (abnf::check-tree-list-1 sub.3rd))
         ((okf &)
          (abnf::check-tree-ichars tree ";")))
      (make-importdecl :program progid))))

Theorem: importdecl-resultp-of-abs-import-declaration

(defthm importdecl-resultp-of-abs-import-declaration
  (b* ((decl (abs-import-declaration tree)))
    (importdecl-resultp decl))
  :rule-classes :rewrite)

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

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

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

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