merge trunk

[gnu-emacs] / lisp / progmodes / delphi.el

diff --git a/lisp/progmodes/delphi.el b/lisp/progmodes/delphi.el
index 4c721fc622e637495f1f95baa1e2c77a137af5c7..2558456bc077ebc300e0f0ea333972dd6d8350f4 100644 (file)
--- a/lisp/progmodes/delphi.el
+++ b/lisp/progmodes/delphi.el
@@ -1,7 +1,7 @@
 ;;; delphi.el --- major mode for editing Delphi source (Object Pascal) in Emacs
 
 ;; Copyright (C) 1998, 1999, 2001, 2002, 2003, 2004, 2005, 2006, 2007,
-;;   2008, 2009  Free Software Foundation, Inc.
+;;   2008, 2009, 2010  Free Software Foundation, Inc.
 
 ;; Authors: Ray Blaak <blaak@infomatch.com>,
 ;;          Simon South <ssouth@member.fsf.org>
@@ -628,7 +628,9 @@ routine.")
 (defun delphi-token-at (p)
   ;; Returns the token from parsing text at point p.
   (when (and (<= (point-min) p) (<= p (point-max)))
-     (cond ((delphi-literal-token-at p))
+     (cond ((delphi-char-token-at p ?\n 'newline))
+
+           ((delphi-literal-token-at p))
 
            ((delphi-space-token-at p))
 
@@ -638,7 +640,6 @@ routine.")
            ((delphi-char-token-at p ?\) 'close-group))
            ((delphi-char-token-at p ?\[ 'open-group))
            ((delphi-char-token-at p ?\] 'close-group))
-           ((delphi-char-token-at p ?\n 'newline))
            ((delphi-char-token-at p ?\; 'semicolon))
            ((delphi-char-token-at p ?. 'dot))
            ((delphi-char-token-at p ?, 'comma))
@@ -888,7 +889,24 @@ non-delphi buffer. Set to nil in a delphi buffer.  To override, just do:
           (setq token (delphi-block-start token)))
 
          ;; Regular block start found.
-         ((delphi-is token-kind delphi-block-statements) (throw 'done token))
+         ((delphi-is token-kind delphi-block-statements)
+          (throw 'done
+                 ;; As a special case, when a "case" block appears
+                 ;; within a record declaration (to denote a variant
+                 ;; part), the record declaration should be considered
+                 ;; the enclosing block.
+                 (if (eq 'case token-kind)
+                     (let ((enclosing-token
+                            (delphi-block-start token
+                                                'stop-on-class)))
+                       (if
+                           (eq 'record
+                               (delphi-token-kind enclosing-token))
+                           (if stop-on-class
+                               enclosing-token
+                             (delphi-previous-token enclosing-token))
+                         token))
+                   token)))
 
          ;; A class/record start also begins a block.
          ((delphi-composite-type-start token last-token)
@@ -1058,6 +1076,7 @@ non-delphi buffer. Set to nil in a delphi buffer.  To override, just do:
         (token-kind nil)
         (from-kind (delphi-token-kind from-token))
         (last-colon nil)
+        (last-of nil)
         (last-token nil))
     (catch 'done
       (while token
@@ -1101,9 +1120,17 @@ non-delphi buffer. Set to nil in a delphi buffer.  To override, just do:
          ;; Ignore whitespace.
          ((delphi-is token-kind delphi-whitespace))
 
-         ;; Remember any ':' we encounter, since that affects how we indent to
-         ;; a case statement.
-         ((eq 'colon token-kind) (setq last-colon token))
+         ;; Remember any "of" we encounter, since that affects how we
+         ;; indent to a case statement within a record declaration
+         ;; (i.e. a variant part).
+         ((eq 'of token-kind)
+          (setq last-of token))
+
+         ;; Remember any ':' we encounter (until we reach an "of"),
+         ;; since that affects how we indent to case statements in
+         ;; general.
+         ((eq 'colon token-kind)
+          (unless last-of (setq last-colon token)))
 
          ;; A case statement delimits a previous statement. We indent labels
          ;; specially.
@@ -1370,7 +1397,7 @@ non-delphi buffer. Set to nil in a delphi buffer.  To override, just do:
                      ;; Indent in from the expression.
                      (delphi-indent-of last-token delphi-indent-level))
 
-                    ;; No enclosing expression; use the previous statment's
+                    ;; No enclosing expression; use the previous statement's
                     ;; indent.
                     ((delphi-previous-indent-of token)))))
 
@@ -1652,14 +1679,23 @@ before the indent, the point is moved to the indent."
 
 
 (defun delphi-tab ()
-  "Indent the current line or insert a TAB, depending on the value of
-`delphi-tab-always-indents' and the current line position."
+  "Indent the region, when Transient Mark mode is enabled and the region is
+active. Otherwise, indent the current line or insert a TAB, depending on the
+value of `delphi-tab-always-indents' and the current line position."
   (interactive)
-  (if (or delphi-tab-always-indents ; We are always indenting
-          ;; Or we are before the first non-space character on the line.
-          (save-excursion (skip-chars-backward delphi-space-chars) (bolp)))
-      (delphi-indent-line)
-    (insert "\t")))
+  (cond ((use-region-p)
+         ;; If Transient Mark mode is enabled and the region is active, indent
+         ;; the entire region.
+         (indent-region (region-beginning) (region-end)))
+        ((or delphi-tab-always-indents
+             (save-excursion (skip-chars-backward delphi-space-chars) (bolp)))
+         ;; Otherwise, if we are configured always to indent (regardless of the
+         ;; point's position in the line) or we are before the first non-space
+         ;; character on the line, indent the line.
+         (delphi-indent-line))
+        (t
+         ;; Otherwise, insert a tab character.
+         (insert "\t"))))
 
 
 (defun delphi-is-directory (path)
@@ -1935,7 +1971,8 @@ This is ok since we do our own keyword/comment/string face coloring.")
 ;;;###autoload
 (defun delphi-mode (&optional skip-initial-parsing)
   "Major mode for editing Delphi code. \\<delphi-mode-map>
-\\[delphi-tab]\t- Indents the current line for Delphi code.
+\\[delphi-tab]\t- Indents the current line (or region, if Transient Mark mode
+\t  is enabled and the region is active) of Delphi code.
 \\[delphi-find-unit]\t- Search for a Delphi source file.
 \\[delphi-fill-comment]\t- Fill the current comment.
 \\[delphi-new-comment-line]\t- If in a // comment, do a new comment line.