Introduce some Objective-C 2.0 keywords. This fixes bug #5953

* lisp/progmodes/cc-langs.el (c-other-decl-kwds): New keywords @property,
@dynamic, @synthesize, @compatibility_alias.
(c-protection-kwds): New keywords @package, @required, @optional.
(c-block-stmt-1-kwds): New keyword @autoreleasepool.
(c-constant-kwds): New keywords IBAction, IBOutlet.

1 files changed, 7 insertions, 4 deletions

diff --git a/lisp/progmodes/cc-langs.el b/lisp/progmodes/cc-langs.el
index 2369cb03428..dcffc0d31b4 100644
--- a/lisp/progmodes/cc-langs.el
+++ b/lisp/progmodes/cc-langs.el
@@ -2416,7 +2416,8 @@ If any of these also are on `c-type-list-kwds', `c-ref-list-kwds',
 `c-<>-type-kwds', or `c-<>-arglist-kwds' then the associated clauses
 will be handled."
   t       nil
-  objc    '("@class" "@end" "@defs")
+  objc    '("@class" "@defs" "@end" "@property" "@dynamic" "@synthesize"
+            "@compatibility_alias")
   java    '("import" "package")
   pike    '("import" "inherit"))
 
@@ -2539,7 +2540,8 @@ one of `c-type-list-kwds', `c-ref-list-kwds',
   "Access protection label keywords in classes."
   t    nil
   c++  '("private" "protected" "public")
-  objc '("@private" "@protected" "@public"))
+  objc '("@private" "@protected" "@package" "@public"
+         "@required" "@optional"))
 
 (c-lang-defconst c-protection-key
   ;; A regexp match an element of `c-protection-kwds' cleanly.
@@ -2754,7 +2756,7 @@ identifiers that follows the type in a normal declaration."
   "Statement keywords followed directly by a substatement."
   t    '("do" "else")
   c++  '("do" "else" "try")
-  objc '("do" "else" "@finally" "@try")
+  objc '("do" "else" "@finally" "@try" "@autoreleasepool")
   java '("do" "else" "finally" "try")
   idl  nil)
 
@@ -2897,7 +2899,8 @@ This construct is \"<keyword> <expression> :\"."
   c++     (append
            '("nullptr")
            (c-lang-const c-constant-kwds c))
-  objc    '("nil" "Nil" "YES" "NO" "NS_DURING" "NS_HANDLER" "NS_ENDHANDLER")
+  objc    '("nil" "Nil" "YES" "NO" "IBAction" "IBOutlet"
+            "NS_DURING" "NS_HANDLER" "NS_ENDHANDLER")
   idl     '("TRUE" "FALSE")
   java    '("true" "false" "null") ; technically "literals", not keywords
   pike    '("UNDEFINED")) ;; Not a keyword, but practically works as one.