From eff8536f409853cd171834472b237d9c850e40e2 Mon Sep 17 00:00:00 2001
From: Nick Roberts <nickrob@snap.net.nz>
Date: Thu, 20 Apr 2006 22:57:03 +0000
Subject: [PATCH] (gdb-data-list-register-values-handler): Use
 font-lock-warning-face for any errors e.g. no stack.
 (gdb-stack-list-locals-handler): Display any errors e.g. no stack.

---
 lisp/progmodes/gdb-ui.el | 63 +++++++++++++++++++++++-----------------
 1 file changed, 36 insertions(+), 27 deletions(-)

diff --git a/lisp/progmodes/gdb-ui.el b/lisp/progmodes/gdb-ui.el
index e6325f1de80..a5163319fbf 100644
--- a/lisp/progmodes/gdb-ui.el
+++ b/lisp/progmodes/gdb-ui.el
@@ -3294,6 +3294,7 @@ in_scope=\"\\(.*?\\)\".*?}")
 	(with-current-buffer (gdb-get-buffer 'gdb-registers-buffer)
 	  (let ((buffer-read-only nil))
 	    (erase-buffer)
+	    (put-text-property 0 (length err) 'face font-lock-warning-face err)
 	    (insert err)
 	    (goto-char (point-min)))))
     (let ((register-list (reverse gdb-register-names))
@@ -3390,36 +3391,44 @@ in_scope=\"\\(.*?\\)\".*?}")
 (defun gdb-stack-list-locals-handler ()
   (setq gdb-pending-triggers (delq 'gdb-invalidate-locals-1
 				  gdb-pending-triggers))
-  (let (local locals-list)
-    (goto-char (point-min))
-    (while (re-search-forward gdb-stack-list-locals-regexp nil t)
-      (let ((local (list (match-string 1)
-			 (match-string 2)
-			 nil)))
-	(if (looking-at ",value=\\(\".*\"\\).*?}")
-	    (setcar (nthcdr 2 local) (read (match-string 1))))
-	(push local locals-list)))
-    (let ((buf (gdb-get-buffer 'gdb-locals-buffer)))
-      (and buf (with-current-buffer buf
-		 (let* ((window (get-buffer-window buf 0))
-			(start (window-start window))
-			(p (window-point window))
-			(buffer-read-only nil))
-		   (erase-buffer)
-		   (dolist (local locals-list)
-		     (setq name (car local))
-		     (if (or (not (nth 2 local))
-			     (string-match "\\0x" (nth 2 local)))
-		       (add-text-properties 0 (length name)
-			    `(mouse-face highlight
-			      help-echo "mouse-2: create watch expression"
-			      local-map ,gdb-locals-watch-map-1)
-			    name))
+  (goto-char (point-min))
+  (if (re-search-forward gdb-error-regexp nil t)
+      (let ((err (match-string 1)))
+	(with-current-buffer (gdb-get-buffer 'gdb-locals-buffer)
+	  (let ((buffer-read-only nil))
+	    (erase-buffer)
+	    (insert err)
+	    (goto-char (point-min)))))
+    (let (local locals-list)
+      (goto-char (point-min))
+      (while (re-search-forward gdb-stack-list-locals-regexp nil t)
+	(let ((local (list (match-string 1)
+			   (match-string 2)
+			   nil)))
+	  (if (looking-at ",value=\\(\".*\"\\).*?}")
+	      (setcar (nthcdr 2 local) (read (match-string 1))))
+	  (push local locals-list)))
+      (let ((buf (gdb-get-buffer 'gdb-locals-buffer)))
+	(and buf (with-current-buffer buf
+		   (let* ((window (get-buffer-window buf 0))
+			  (start (window-start window))
+			  (p (window-point window))
+			  (buffer-read-only nil))
+		     (erase-buffer)
+		     (dolist (local locals-list)
+		       (setq name (car local))
+		       (if (or (not (nth 2 local))
+			       (string-match "^\\0x" (nth 2 local)))
+			   (add-text-properties 0 (length name)
+			        `(mouse-face highlight
+			          help-echo "mouse-2: create watch expression"
+			          local-map ,gdb-locals-watch-map-1)
+				name))
 		       (insert
 			(concat name "\t" (nth 1 local)
 				"\t" (nth 2 local) "\n")))
-		   (set-window-start window start)
-		   (set-window-point window p)))))))
+		     (set-window-start window start)
+		     (set-window-point window p))))))))
 
 (defun gdb-get-register-names ()
   "Create a list of register names."
-- 
2.39.2