Changeset 7406 for branches/working-0710/ccl/level-1/l1-readloop-lds.lisp

Timestamp:

Oct 12, 2007, 9:42:41 AM (14 years ago)

Author:

gb

Message:

:arg, :local, :set-arg, :set-local break-loop commands.

File:

• branches/working-0710/ccl/level-1/l1-readloop-lds.lisp (modified) (2 diffs)

branches/working-0710/ccl/level-1/l1-readloop-lds.lisp

@@ -152 +152 @@
     (if frame-sp
       (toplevel-print (list (nth-value-in-frame frame-sp n nil))))))
+
+(define-toplevel-command :break arg (name frame-number) "Return value of argument named <name> in frame <frame-number>"
+  (let* ((frame-sp (nth-raw-frame frame-number *break-frame* nil)))
+    (when frame-sp
+      (multiple-value-bind (lfun pc) (cfp-lfun frame-sp)
+        (when (and lfun pc)
+          (let* ((unavailable (cons nil nil)))
+            (declare (dynamic-extent unavailable))
+            (let* ((value (arg-value nil frame-sp lfun pc unavailable name)))
+              (if (eq value unavailable)
+                (format *debug-io* "~&;; Can't determine value of ~s in frame ~s." name frame-number)
+                (toplevel-print (list value))))))))))
+
+(define-toplevel-command :break set-arg (name frame-number new) "Set value of argument named <name> in frame <frame-number> to value <new>."
+  (let* ((frame-sp (nth-raw-frame frame-number *break-frame* nil)))
+    (when frame-sp
+      (multiple-value-bind (lfun pc) (cfp-lfun frame-sp)
+        (when (and lfun pc)
+          (or (set-arg-value nil frame-sp lfun pc name new)
+              (format *debug-io* "~&;; Can't change value of ~s in frame ~s." name frame-number)))))))
+   
+
+(define-toplevel-command :break local (name frame-number) "Return value of local denoted by <name> in frame <frame-number> <name> can either be a symbol - in which case the most recent
+binding of that symbol is used - or an integer index into the frame's set of local bindings."
+  (let* ((frame-sp (nth-raw-frame frame-number *break-frame* nil)))
+    (when frame-sp
+      (multiple-value-bind (lfun pc) (cfp-lfun frame-sp)
+        (when (and lfun pc)
+          (let* ((unavailable (cons nil nil)))
+            (declare (dynamic-extent unavailable))
+            (let* ((value (local-value nil frame-sp lfun pc unavailable name)))
+              (if (eq value unavailable)
+                (format *debug-io* "~&;; Can't determine value of ~s in frame ~s." name frame-number)
+                (toplevel-print (list value))))))))))
+
+(define-toplevel-command :break set-local (name frame-number new) "Set value of argument denoted <name> (see :LOCAL) in frame <frame-number> to value <new>."
+  (let* ((frame-sp (nth-raw-frame frame-number *break-frame* nil)))
+    (when frame-sp
+      (multiple-value-bind (lfun pc) (cfp-lfun frame-sp)
+        (when (and lfun pc)
+          (or (set-local-value nil frame-sp lfun pc name new)
+              (format *debug-io* "~&;; Can't change value of ~s in frame ~s." name frame-number)))))))
+
 
 (define-toplevel-command :break form (frame-number)
@@ -272 +315 @@
                           (cons keyword params)
                           keyword)))
-                    (params param)))))))))))
+                    (params (eval param))))))))))))
 
 ;;; Read a form from the specified stream.