X-Git-Url: http://drtracing.org/?a=blobdiff_plain;f=gdb%2Fobjc-lang.c;h=43d83da0ba772e806f3cb3d04c5aa1160bb7a197;hb=ec8f76882145c71bef81a9cadf0bf51ff9fa5b35;hp=34f90e872eac1fb16a9c189f8cf5661fc7752268;hpb=b3f11165aad39586cca0352ed5fe32b721699c76;p=deliverable%2Fbinutils-gdb.git

diff --git a/gdb/objc-lang.c b/gdb/objc-lang.c
index 34f90e872e..43d83da0ba 100644
--- a/gdb/objc-lang.c
+++ b/gdb/objc-lang.c
@@ -281,6 +281,15 @@ objc_demangle (const char *mangled, int options)
     return NULL;	/* Not an objc mangled name.  */
 }
 
+/* la_sniff_from_mangled_name for ObjC.  */
+
+static int
+objc_sniff_from_mangled_name (const char *mangled, char **demangled)
+{
+  *demangled = objc_demangle (mangled, 0);
+  return *demangled != NULL;
+}
+
 /* Determine if we are currently in the Objective-C dispatch function.
    If so, get the address of the method function that the dispatcher
    would call and use that as the function to step into instead.  Also
@@ -350,6 +359,11 @@ static const struct op_print objc_op_print_tab[] =
     {NULL, OP_NULL, PREC_NULL, 0}
 };
 
+static const char *objc_extensions[] =
+{
+  ".m", NULL
+};
+
 const struct language_defn objc_language_defn = {
   "objective-c",		/* Language name */
   "Objective-C",
@@ -358,6 +372,7 @@ const struct language_defn objc_language_defn = {
   case_sensitive_on,
   array_row_major,
   macro_expansion_c,
+  objc_extensions,
   &exp_descriptor_standard,
   c_parse,
   c_yyerror,
@@ -375,6 +390,7 @@ const struct language_defn objc_language_defn = {
   basic_lookup_symbol_nonlocal,	/* lookup_symbol_nonlocal */
   basic_lookup_transparent_type,/* lookup_transparent_type */
   objc_demangle,		/* Language specific symbol demangler */
+  objc_sniff_from_mangled_name,
   NULL,				/* Language specific
 				   class_name_from_physname */
   objc_op_print_tab,		/* Expression operators for printing */
@@ -1177,14 +1193,11 @@ print_object_command (char *args, int from_tty)
 "The 'print-object' command requires an argument (an Objective-C object)");
 
   {
-    struct expression *expr = parse_expression (args);
-    struct cleanup *old_chain = 
-      make_cleanup (free_current_contents, &expr);
+    expression_up expr = parse_expression (args);
     int pc = 0;
 
     object = evaluate_subexp (builtin_type (expr->gdbarch)->builtin_data_ptr,
-			      expr, &pc, EVAL_NORMAL);
-    do_cleanups (old_chain);
+			      expr.get (), &pc, EVAL_NORMAL);
   }
 
   /* Validate the address for sanity.  */