(checkdoc-buffer-label): New function.

(checkdoc-start-section, checkdoc-error): Use `checkdoc-buffer-label'.
(checkdoc-this-string-valid-engine): Permit ? as terminating
 punctuation for first line sentence breaking.
(checkdoc-this-string-valid): When converting a comment into a doc
 string, make sure " chars are \".
(checkdoc-sentencespace-region-engine): Only do double space check
 if based on the variable `sentence-end-double-space'

diff --git a/lisp/emacs-lisp/checkdoc.el b/lisp/emacs-lisp/checkdoc.el
index 3432d68..3d4e595 100644 (file)
--- a/lisp/emacs-lisp/checkdoc.el
+++ b/lisp/emacs-lisp/checkdoc.el
@@ -3,7 +3,7 @@
 ;;;  Copyright (C) 1997, 1998  Free Software Foundation
 
 ;; Author: Eric M. Ludlam <zappo@gnu.org>
-;; Version: 0.6.1
+;; Version: 0.6.2
 ;; Keywords: docs, maint, lisp
 
 ;; This file is part of GNU Emacs.
@@ -1309,7 +1309,7 @@ See the style guide in the Emacs Lisp manual for more details."
                  checkdoc-force-docstrings-flag) ;or we always complain
              (not (checkdoc-char= (following-char) ?\"))) ; no doc string
         ;; Sometimes old code has comments where the documentation should
-        ;; be.  Lets see if we can find the comment, and offer to turn it
+        ;; be.  Let's see if we can find the comment, and offer to turn it
         ;; into documentation for them.
         (let ((have-comment nil))
           (condition-case nil
@@ -1328,23 +1328,28 @@ See the style guide in the Emacs Lisp manual for more details."
                     ;; Our point is at the beginning of the comment!
                     ;; Insert a quote, then remove the comment chars.
                     (insert "\"")
-                    (while (looking-at comment-start)
+                    (let ((docstring-start-point (point)))
                       (while (looking-at comment-start)
-                        (delete-char 1))
-                      (if (looking-at "[ \t]+")
-                          (delete-region (match-beginning 0) (match-end 0)))
-                      (forward-line 1)
+                        (while (looking-at comment-start)
+                          (delete-char 1))
+                        (if (looking-at "[ \t]+")
+                            (delete-region (match-beginning 0) (match-end 0)))
+                        (forward-line 1)
+                        (beginning-of-line)
+                        (skip-chars-forward " \t")
+                        (if (looking-at comment-start)
+                            (progn
+                              (beginning-of-line)
+                              (zap-to-char 1 ?\;))))
                       (beginning-of-line)
-                      (skip-chars-forward " \t")
-                      (if (looking-at comment-start)
-                          (progn
-                            (beginning-of-line)
-                            (zap-to-char 1 ?\;))))
-                    (beginning-of-line)
-                    (forward-char -1)
-                    (insert "\"")
-                    (if (eq checkdoc-autofix-flag 'automatic-then-never)
-                        (setq checkdoc-autofix-flag 'never)))
+                      (forward-char -1)
+                      (insert "\"")
+                      (forward-char -1)
+                      ;; quote any double-quote characters in the comment.
+                      (while (search-backward "\"" docstring-start-point t)
+                        (insert "\\"))
+                      (if (eq checkdoc-autofix-flag 'automatic-then-never)
+                          (setq checkdoc-autofix-flag 'never))))
                 (checkdoc-create-error
                  "You should convert this comment to documentation"
                  (point) (save-excursion (end-of-line) (point))))
@@ -1428,7 +1433,7 @@ regexp short cuts work.  FP is the function defun information."
              (not (checkdoc-char= (preceding-char) ?\\)))
         ;; We might have to add a period in this case
         (forward-char -1)
-        (if (looking-at "[.!]")
+        (if (looking-at "[.!?]")
             nil
           (forward-char 1)
           (if (checkdoc-autofix-ask-replace
@@ -1438,7 +1443,7 @@ regexp short cuts work.  FP is the function defun information."
             (checkdoc-create-error
              "First sentence should end with punctuation"
              (point) (1+ (point))))))
-       ((looking-at "[\\!;:.)]")
+       ((looking-at "[\\!?;:.)]")
         ;; These are ok
         nil)
         ((and checkdoc-permit-comma-termination-flag (looking-at ","))
@@ -1477,7 +1482,7 @@ may require more formatting")
                   (p    (point)))
               (forward-line 1)
               (beginning-of-line)
-              (if (and (re-search-forward "[.!:\"]\\([ \t\n]+\\|\"\\)"
+              (if (and (re-search-forward "[.!?:\"]\\([ \t\n]+\\|\"\\)"
                                           (save-excursion
                                             (end-of-line)
                                             (point))
@@ -1673,12 +1678,12 @@ function,command,variable,option or symbol." ms1))))))
                         ;; and see if the user wants to capitalize it.
                         (if (save-excursion
                               (re-search-forward
-                                 (concat "\\<\\(" (car args)
-                                         ;; Require whitespace OR
-                                         ;; ITEMth<space> OR
-                                         ;; ITEMs<space>
-                                         "\\)\\(\\>\\|th\\>\\|s\\>\\)")
-                                 e t))
+                               (concat "\\<\\(" (car args)
+                                       ;; Require whitespace OR
+                                       ;; ITEMth<space> OR
+                                       ;; ITEMs<space>
+                                       "\\)\\(\\>\\|th\\>\\|s\\>\\)")
+                               e t))
                             (if (checkdoc-autofix-ask-replace
                                  (match-beginning 1) (match-end 1)
                                  (format
@@ -1977,6 +1982,9 @@ If the offending word is in a piece of quoted text, then it is skipped."
                                (goto-char b)
                                (forward-char -1)
                                (looking-at "`\\|\"\\|\\.\\|\\\\")))
+                        ;; surrounded by /, as in a URL or filename: /emacs/
+                        (not (and (= ?/ (char-after e))
+                                  (= ?/ (char-before b))))
                         (not (checkdoc-in-example-string-p begin end)))
                    (if (checkdoc-autofix-ask-replace
                         b e (format "Text %s should be capitalized.  Fix? "
@@ -2002,42 +2010,43 @@ If the offending word is in a piece of quoted text, then it is skipped."
 
 (defun checkdoc-sentencespace-region-engine (begin end)
   "Make sure all sentences have double spaces between BEGIN and END."
-  (save-excursion
-    (let ((case-fold-search nil)
-         (errtxt nil) bb be
-         (old-syntax-table (syntax-table)))
-      (unwind-protect
-         (progn
-           (set-syntax-table checkdoc-syntax-table)
-           (goto-char begin)
-           (while (re-search-forward "[^.0-9]\\(\\. \\)[^ \n]" end t)
-             (let ((b (match-beginning 1))
-                   (e (match-end 1)))
-               (if (and (not (checkdoc-in-sample-code-p begin end))
-                        (not (checkdoc-in-example-string-p begin end))
-                        (not (save-excursion
-                               (goto-char (match-beginning 1))
-                               (forward-sexp -1)
-                               ;; piece of an abbreviation
-                               (looking-at "\\([a-z]\\|[ie]\\.?g\\)\\.")
-                               )))
-                   (if (checkdoc-autofix-ask-replace
-                        b e "There should be two spaces after a period.  Fix? "
-                        ".  ")
-                       nil
-                     (if errtxt
-                         ;; If there is already an error, then generate
-                         ;; the warning output if applicable
-                         (if checkdoc-generate-compile-warnings-flag
-                             (checkdoc-create-error
-                              "There should be two spaces after a period"
-                              b e))
-                       (setq errtxt
-                             "There should be two spaces after a period"
-                             bb b be e)))))))
-       (set-syntax-table old-syntax-table))
-      (if errtxt (checkdoc-create-error errtxt bb be)))))
-
+  (if sentence-end-double-space
+      (save-excursion
+       (let ((case-fold-search nil)
+             (errtxt nil) bb be
+             (old-syntax-table (syntax-table)))
+         (unwind-protect
+             (progn
+               (set-syntax-table checkdoc-syntax-table)
+               (goto-char begin)
+               (while (re-search-forward "[^.0-9]\\(\\. \\)[^ \n]" end t)
+                 (let ((b (match-beginning 1))
+                       (e (match-end 1)))
+                   (if (and (not (checkdoc-in-sample-code-p begin end))
+                            (not (checkdoc-in-example-string-p begin end))
+                            (not (save-excursion
+                                   (goto-char (match-beginning 1))
+                                   (forward-sexp -1)
+                                   ;; piece of an abbreviation
+                                   (looking-at "\\([a-z]\\|[ie]\\.?g\\)\\.")
+                                   )))
+                       (if (checkdoc-autofix-ask-replace
+                            b e
+                            "There should be two spaces after a period.  Fix? "
+                            ".  ")
+                           nil
+                         (if errtxt
+                             ;; If there is already an error, then generate
+                             ;; the warning output if applicable
+                             (if checkdoc-generate-compile-warnings-flag
+                                 (checkdoc-create-error
+                                  "There should be two spaces after a period"
+                                  b e))
+                           (setq errtxt
+                                 "There should be two spaces after a period"
+                                 bb b be e)))))))
+           (set-syntax-table old-syntax-table))
+         (if errtxt (checkdoc-create-error errtxt bb be))))))
 
 ;;; Ispell engine
 ;;
@@ -2637,21 +2646,25 @@ This function will not modify `match-data'."
        (switch-to-buffer-other-window (get-buffer f))
        (goto-line l))))
 
+(defun checkdoc-buffer-label ()
+  "The name to use for a checkdoc buffer in the error list."
+  (if (buffer-file-name)
+      (file-name-nondirectory (buffer-file-name))
+    (concat "#<buffer "(buffer-name) ">")))
+
 (defun checkdoc-start-section (check-type)
   "Initialize the checkdoc diagnostic buffer for a pass.
 Create the header so that the string CHECK-TYPE is displayed as the
 function called to create the messages."
   (checkdoc-output-to-error-buffer
    "\n\n\C-l\n*** "
-   (file-name-nondirectory (buffer-file-name)) ": " check-type
-   " V " checkdoc-version))
+   (checkdoc-buffer-label) ": " check-type " V " checkdoc-version))
 
 (defun checkdoc-error (point msg)
   "Store POINT and MSG as errors in the checkdoc diagnostic buffer."
   (setq checkdoc-pending-errors t)
   (checkdoc-output-to-error-buffer
-   "\n"
-   (file-name-nondirectory (buffer-file-name)) ":"
+   "\n" (checkdoc-buffer-label) ":"
    (int-to-string (count-lines (point-min) (or point 1))) ": "
    msg))