[Emacs-diffs] Changes to emacs/lisp/progmodes/gud.el

[Nick Roberts]

Index: emacs/lisp/progmodes/gud.el
diff -u emacs/lisp/progmodes/gud.el:1.102 emacs/lisp/progmodes/gud.el:1.103
--- emacs/lisp/progmodes/gud.el:1.102   Mon Apr 17 19:50:14 2006
+++ emacs/lisp/progmodes/gud.el Wed Apr 26 23:03:56 2006
@@ -83,6 +83,8 @@
 (defvar gud-minor-mode nil)
 (put 'gud-minor-mode 'permanent-local t)
 
+(defvar gud-comint-buffer nil)
+
 (defvar gud-keep-buffer nil)
 
 (defun gud-symbol (sym &optional soft minor-mode)
@@ -740,8 +742,6 @@
 ;; The completion list is constructed by the process filter.
 (defvar gud-gdb-fetched-lines)
 
-(defvar gud-comint-buffer nil)
-
 (defun gud-gdb-complete-command (&optional command a b)
   "Perform completion on the GDB command preceding point.
 This is implemented using the GDB `complete' command which isn't
@@ -2889,8 +2889,11 @@
       (set-buffer gud-comint-buffer)
       (save-restriction
        (widen)
-       (goto-char (process-mark proc))
-       (forward-line 0)
+       (if (marker-position gud-delete-prompt-marker)
+           ;; We get here when printing an expression.
+           (goto-char gud-delete-prompt-marker)
+         (goto-char (process-mark proc))
+         (forward-line 0))
        (if (looking-at comint-prompt-regexp)
            (set-marker gud-delete-prompt-marker (point)))
        (if (memq gud-minor-mode '(gdbmi gdba))
@@ -2911,7 +2914,21 @@
 (defvar gud-find-expr-function 'gud-find-c-expr)
 
 (defun gud-find-expr (&rest args)
-  (apply gud-find-expr-function args))
+  (let ((expr (if (and transient-mark-mode mark-active)
+                 (buffer-substring (region-beginning) (region-end))
+               (apply gud-find-expr-function args))))
+    (save-match-data
+      (if (string-match "\n" expr)
+         (error "Expression must not include a newline"))
+      (with-current-buffer gud-comint-buffer
+       (save-excursion
+         (goto-char (process-mark (get-buffer-process gud-comint-buffer)))
+         (forward-line 0)
+         (when (looking-at comint-prompt-regexp)
+           (set-marker gud-delete-prompt-marker (point))
+           (set-marker-insertion-type gud-delete-prompt-marker t))
+         (insert (concat  expr " = ")))))
+    expr))
 
 ;; The next eight functions are hacked from gdbsrc.el by
 ;; Debby Ayers <address@hidden>,