An actual running implementation, which makes code that compiles.

[sod] / src / parser / scanner-charbuf-impl.lisp

diff --git a/src/parser/scanner-charbuf-impl.lisp b/src/parser/scanner-charbuf-impl.lisp
index 86dc999..272c7ed 100644 (file)
--- a/src/parser/scanner-charbuf-impl.lisp
+++ b/src/parser/scanner-charbuf-impl.lisp
@@ -67,11 +67,18 @@
    We remember the buffer-chain link, so that we can retrace our steps up to
    the present.  We also need the index at which we continue reading
    characters; and the line and column numbers to resume from."
+  (scanner nil :type charbuf-scanner :read-only t)
   (link nil :type charbuf-chain-link :read-only t)
   (index 0 :type charbuf-index :read-only t)
   (line 0 :type fixnum :read-only t)
   (column 0 :type fixnum :read-only t))
 
+(defmethod file-location ((place charbuf-scanner-place))
+  (make-file-location (scanner-filename
+                      (charbuf-scanner-place-scanner place))
+                     (charbuf-scanner-place-line place)
+                     (charbuf-scanner-place-column place)))
+
 ;;;--------------------------------------------------------------------------
 ;;; Main class.
 
@@ -317,7 +324,7 @@
     (incf captures)
     (unless tail
       (setf tail (make-charbuf-chain-link :buf buf :size size)))
-    (make-charbuf-scanner-place :link tail :index index
+    (make-charbuf-scanner-place :scanner scanner :link tail :index index
                                :line line :column column)))
 
 (defmethod scanner-restore-place ((scanner charbuf-scanner) place)
@@ -367,7 +374,8 @@
   (let* ((slices nil)
         (place-b (or place-b
                      (with-slots (index tail) scanner
-                       (make-charbuf-scanner-place :link tail
+                       (make-charbuf-scanner-place :scanner scanner
+                                                   :link tail
                                                    :index index))))
         (last-link (charbuf-scanner-place-link place-b)))
     (flet ((bad ()