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+;;; asdf-flv.lisp --- Implementation
+
+;; Copyright (C) 2011, 2015 Didier Verna
+
+;; Author: Didier Verna <didier@didierverna.net>
+
+;; This file is part of ASDF-FLV.
+
+;; Copying and distribution of this file, with or without modification,
+;; are permitted in any medium without royalty provided the copyright
+;; notice and this notice are preserved.  This file is offered as-is,
+;; without any warranty.
+
+
+;;; Commentary:
+
+;; Contents management by FCM version 0.1.
+
+
+;;; Code:
+
+(in-package :net.didierverna.asdf-flv)
+
+
+(defvar *file-local-variables* ()
+  "List of file-local special variables.")
+
+
+(defun make-variable-file-local (symbol)
+  "Make special variable named by SYMBOL have a file-local value."
+  (pushnew symbol *file-local-variables*))
+
+(defmacro set-file-local-variable (symbol)
+  "Set special variable named by SYMBOL as file-local.
+SYMBOL need not be quoted."
+  `(make-variable-file-local ',symbol))
+
+(defun make-variables-file-local (&rest symbols)
+  "Make special variables named by SYMBOLS have a file-local value."
+  (dolist (symbol symbols)
+    (pushnew symbol *file-local-variables*)))
+
+(defmacro set-file-local-variables (&rest symbols)
+  "Set special variables named by SYMBOLS as file-local.
+SYMBOLS need not be quoted."
+  `(make-variables-file-local ,@(mapcar (lambda (symbol) (list 'quote symbol))
+					symbols)))
+
+
+(defmethod asdf:perform :around
+    ((operation asdf:load-op) (file asdf:cl-source-file))
+  "Establish new dynamic bindings for file-local variables."
+  (progv *file-local-variables*
+      (mapcar #'symbol-value *file-local-variables*)
+    (call-next-method)))
+
+(defmethod asdf:perform :around
+    ((operation asdf:compile-op) (file asdf:cl-source-file))
+  "Establish new dynamic bindings for file-local variables."
+  (progv *file-local-variables*
+      (mapcar #'symbol-value *file-local-variables*)
+    (call-next-method)))
+
+;;; asdf-flv.lisp ends here