From 2c6a779afec9c223e3735d8f37dca5bbe8877f92 Mon Sep 17 00:00:00 2001
From: Simon South <ssouth@member.fsf.org>
Date: Wed, 14 Jul 2010 23:12:37 -0400
Subject: [PATCH] (delphi-previous-indent-of): Indent case blocks within record
 declarations (i.e. variant parts) correctly.

---
 lisp/ChangeLog           |  5 +++++
 lisp/progmodes/delphi.el | 34 ++++++++++++++++++++++++++++++----
 2 files changed, 35 insertions(+), 4 deletions(-)

diff --git a/lisp/ChangeLog b/lisp/ChangeLog
index 32fa19c26a9..54b7937c859 100644
--- a/lisp/ChangeLog
+++ b/lisp/ChangeLog
@@ -1,3 +1,8 @@
+2010-07-15  Simon South  <ssouth@localhost.localdomain>
+
+	* progmodes/delphi.el (delphi-previous-indent-of): Indent case
+	blocks within record declarations (i.e. variant parts) correctly.
+
 2010-07-15  Simon South  <ssouth@member.fsf.org>
 
 	* progmodes/delphi.el (delphi-token-at): Give newlines precedence
diff --git a/lisp/progmodes/delphi.el b/lisp/progmodes/delphi.el
index 03f74a42fd7..2558456bc07 100644
--- a/lisp/progmodes/delphi.el
+++ b/lisp/progmodes/delphi.el
@@ -889,7 +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)
@@ -1059,6 +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
@@ -1102,9 +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.
-- 
2.39.2