import gdb-19990422 snapshot

[deliverable/binutils-gdb.git] / gdb / typeprint.c

diff --git a/gdb/typeprint.c b/gdb/typeprint.c
index 92e26140bb7799e4f7d22e5ae1c47019f2110626..3ace7beeef3a5c6d40ec98ceeafe115d03ae6235 100644 (file)
--- a/gdb/typeprint.c
+++ b/gdb/typeprint.c
@@ -1,5 +1,5 @@
 /* Language independent support for printing types for GDB, the GNU debugger.
-   Copyright 1986, 1988, 1989, 1991, 1992, 1993 Free Software Foundation, Inc.
+   Copyright 1986, 88, 89, 91, 92, 93, 1998 Free Software Foundation, Inc.
 
 This file is part of GDB.
 
@@ -15,7 +15,7 @@ GNU General Public License for more details.
 
 You should have received a copy of the GNU General Public License
 along with this program; if not, write to the Free Software
-Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.  */
+Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */
 
 #include "defs.h"
 #include "obstack.h"
@@ -31,9 +31,13 @@ Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.  */
 #include "language.h"
 #include "demangle.h"
 
-#include <string.h>
+#include "gdb_string.h"
 #include <errno.h>
 
+/* For real-type printing in whatis_exp() */
+extern int objectprint;                /* Controls looking up an object's derived type
+                                  using what we find in its vtables.  */
+
 static void
 ptype_command PARAMS ((char *, int));
 
@@ -72,19 +76,33 @@ whatis_exp (exp, show)
      int show;
 {
   struct expression *expr;
-  register value val;
+  register value_ptr val;
   register struct cleanup *old_chain = NULL;
+  struct type * real_type = NULL;
+  int full = 0;
+  int top = -1;
+  int using_enc = 0;
 
   if (exp)
     {
       expr = parse_expression (exp);
-      old_chain = make_cleanup (free_current_contents, &expr);
+      old_chain = make_cleanup ((make_cleanup_func) free_current_contents, 
+                                &expr);
       val = evaluate_type (expr);
     }
   else
     val = access_value_history (0);
 
+  real_type = value_rtti_type (val, &full, &top, &using_enc);
+
   printf_filtered ("type = ");
+
+  if (real_type && objectprint)
+    printf_filtered ("/* real type = %s%s */\n",
+                     TYPE_NAME (real_type),
+                     full ? "" : " (incomplete object)");
+  /* FIXME: maybe better to use type_print (real_type, "", gdb_stdout, -1); */
+
   type_print (VALUE_TYPE (val), "", gdb_stdout, show);
   printf_filtered ("\n");
 
@@ -140,7 +158,8 @@ ptype_command (typename, from_tty)
   else
     {
       expr = parse_expression (typename);
-      old_chain = make_cleanup (free_current_contents, &expr);
+      old_chain = make_cleanup ((make_cleanup_func) free_current_contents, 
+                                &expr);
       type = ptype_eval (expr);
       if (type != NULL)
        {
@@ -180,6 +199,8 @@ print_type_scalar (type, val, stream)
   unsigned int i;
   unsigned len;
 
+  CHECK_TYPEDEF (type);
+
   switch (TYPE_CODE (type))
     {
 
@@ -214,6 +235,10 @@ print_type_scalar (type, val, stream)
       fprintf_filtered (stream, val ? "TRUE" : "FALSE");
       break;
 
+    case TYPE_CODE_RANGE:
+      print_type_scalar (TYPE_TARGET_TYPE (type), val, stream);
+      return;
+
     case TYPE_CODE_UNDEF:
     case TYPE_CODE_PTR:
     case TYPE_CODE_ARRAY:
@@ -223,7 +248,6 @@ print_type_scalar (type, val, stream)
     case TYPE_CODE_FLT:
     case TYPE_CODE_VOID:
     case TYPE_CODE_SET:
-    case TYPE_CODE_RANGE:
     case TYPE_CODE_STRING:
     case TYPE_CODE_ERROR:
     case TYPE_CODE_MEMBER:
@@ -238,8 +262,6 @@ print_type_scalar (type, val, stream)
   gdb_flush (stream);
 }
 
-#if MAINTENANCE_CMDS
-
 /* Dump details of a type specified either directly or indirectly.
    Uses the same sort of type lookup mechanism as ptype_command()
    and whatis_command(). */
@@ -249,7 +271,7 @@ maintenance_print_type (typename, from_tty)
      char *typename;
      int from_tty;
 {
-  register value val;
+  register value_ptr val;
   register struct type *type;
   register struct cleanup *old_chain;
   struct expression *expr;
@@ -257,7 +279,7 @@ maintenance_print_type (typename, from_tty)
   if (typename != NULL)
   {
     expr = parse_expression (typename);
-    old_chain = make_cleanup (free_current_contents, &expr);
+    old_chain = make_cleanup ((make_cleanup_func) free_current_contents, &expr);
     if (expr -> elts[0].opcode == OP_TYPE)
       {
        /* The user expression names a type directly, just use that type. */
@@ -278,8 +300,6 @@ maintenance_print_type (typename, from_tty)
   }
 }
 
-#endif /* MAINTENANCE_CMDS */
-
 \f
 void
 _initialize_typeprint ()