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• Compilation-database

Comp-db-drop-non-c

Drop compilation-database entries which do not apply to .c file or which don't include a -c flag.

Signature

(comp-db-drop-non-c db) → db$

Arguments

db — Guard (comp-dbp db).

Returns

db$ — Type (comp-dbp db$).

Definitions and Theorems

Function: comp-db-drop-non-c

(defun comp-db-drop-non-c (db)
  (declare (xargs :guard (comp-dbp db)))
  (b* ((db (comp-db-fix db))
       ((when (endp db)) nil)
       (file (str-fix (car (first db))))
       (entry (comp-db-entry-fix (cdr (first db))))
       (keep (and (str::strsuffixp ".c" file)
                  (member-equal (make-comp-db-arg :name "-c"
                                                  :separator ""
                                                  :value nil)
                                (comp-db-entry->arguments entry)))))
    (if keep (acons file
                    entry (comp-db-drop-non-c (rest db)))
      (comp-db-drop-non-c (rest db)))))

Theorem: comp-dbp-of-comp-db-drop-non-c

(defthm comp-dbp-of-comp-db-drop-non-c
  (b* ((db$ (comp-db-drop-non-c db)))
    (comp-dbp db$))
  :rule-classes :rewrite)

Theorem: comp-db-drop-non-c-of-comp-db-fix-db

(defthm comp-db-drop-non-c-of-comp-db-fix-db
  (equal (comp-db-drop-non-c (comp-db-fix db))
         (comp-db-drop-non-c db)))

Theorem: comp-db-drop-non-c-comp-db-equiv-congruence-on-db

(defthm comp-db-drop-non-c-comp-db-equiv-congruence-on-db
  (implies (comp-db-equiv db db-equiv)
           (equal (comp-db-drop-non-c db)
                  (comp-db-drop-non-c db-equiv)))
  :rule-classes :congruence)