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• Std/basic

Organize-symbols-by-pkg

Organize a list of symbols by their packages.

Signature

(organize-symbols-by-pkg syms) → syms-by-pkg

Arguments

syms — Guard (symbol-listp syms).

Returns

syms-by-pkg — Type (string-symbollist-alistp syms-by-pkg), given the guard.

The result is an alist from package names (strings) to the non-empty lists of the symbols that are in the respective packages.

The alist has unique keys, and each of its values has no duplicates.

Definitions and Theorems

Function: organize-symbols-by-pkg-aux

(defun organize-symbols-by-pkg-aux (syms acc)
  (declare (xargs :guard (and (symbol-listp syms)
                              (string-symbollist-alistp acc))))
  (let ((__function__ 'organize-symbols-by-pkg-aux))
    (declare (ignorable __function__))
    (b* (((when (endp syms)) acc)
         (sym (car syms))
         (pkg (symbol-package-name sym))
         (prev-syms-for-pkg (cdr (assoc-equal pkg acc))))
      (organize-symbols-by-pkg-aux
           (cdr syms)
           (put-assoc-equal pkg
                            (add-to-set-eq sym prev-syms-for-pkg)
                            acc)))))

Theorem: string-symbollist-alistp-of-organize-symbols-by-pkg-aux

(defthm string-symbollist-alistp-of-organize-symbols-by-pkg-aux
 (implies (and (symbol-listp syms)
               (string-symbollist-alistp acc))
          (b* ((syms-by-pkg (organize-symbols-by-pkg-aux syms acc)))
            (string-symbollist-alistp syms-by-pkg)))
 :rule-classes :rewrite)

Function: organize-symbols-by-pkg

(defun organize-symbols-by-pkg (syms)
  (declare (xargs :guard (symbol-listp syms)))
  (let ((__function__ 'organize-symbols-by-pkg))
    (declare (ignorable __function__))
    (organize-symbols-by-pkg-aux syms nil)))

Theorem: string-symbollist-alistp-of-organize-symbols-by-pkg

(defthm string-symbollist-alistp-of-organize-symbols-by-pkg
  (implies (and (symbol-listp syms))
           (b* ((syms-by-pkg (organize-symbols-by-pkg syms)))
             (string-symbollist-alistp syms-by-pkg)))
  :rule-classes :rewrite)