/* Language independent support for printing types for GDB, the GNU debugger.
- Copyright 1986, 1988, 1989, 1991-1993, 1998, 2000 Free Software Foundation, Inc.
+
+ Copyright (C) 1986, 1988, 1989, 1991, 1992, 1993, 1994, 1995, 1998, 1999,
+ 2000, 2001, 2003, 2006, 2007, 2008 Free Software Foundation, Inc.
This file is part of GDB.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 2 of the License, or
+ the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
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., 59 Temple Place - Suite 330,
- Boston, MA 02111-1307, USA. */
+ along with this program. If not, see <http://www.gnu.org/licenses/>. */
#include "defs.h"
-#include "obstack.h"
+#include "gdb_obstack.h"
#include "bfd.h" /* Binary File Description */
#include "symtab.h"
#include "gdbtypes.h"
#include "gdbcmd.h"
#include "target.h"
#include "language.h"
-#include "demangle.h"
-
+#include "cp-abi.h"
+#include "typeprint.h"
#include "gdb_string.h"
#include <errno.h>
extern int objectprint; /* Controls looking up an object's derived type
using what we find in its vtables. */
-extern void _initialize_typeprint PARAMS ((void));
+extern void _initialize_typeprint (void);
-static void
-ptype_command PARAMS ((char *, int));
+static void ptype_command (char *, int);
-static struct type *
- ptype_eval PARAMS ((struct expression *));
+static void whatis_command (char *, int);
-static void
-whatis_command PARAMS ((char *, int));
+static void whatis_exp (char *, int);
-static void
-whatis_exp PARAMS ((char *, int));
+/* Print a description of a type in the format of a
+ typedef for the current language.
+ NEW is the new name for a type TYPE. */
+
+void
+typedef_print (struct type *type, struct symbol *new, struct ui_file *stream)
+{
+ CHECK_TYPEDEF (type);
+ switch (current_language->la_language)
+ {
+#ifdef _LANG_c
+ case language_c:
+ case language_cplus:
+ fprintf_filtered (stream, "typedef ");
+ type_print (type, "", stream, 0);
+ if (TYPE_NAME ((SYMBOL_TYPE (new))) == 0
+ || strcmp (TYPE_NAME ((SYMBOL_TYPE (new))), DEPRECATED_SYMBOL_NAME (new)) != 0)
+ fprintf_filtered (stream, " %s", SYMBOL_PRINT_NAME (new));
+ break;
+#endif
+#ifdef _LANG_m2
+ case language_m2:
+ fprintf_filtered (stream, "TYPE ");
+ if (!TYPE_NAME (SYMBOL_TYPE (new))
+ || strcmp (TYPE_NAME ((SYMBOL_TYPE (new))), DEPRECATED_SYMBOL_NAME (new)) != 0)
+ fprintf_filtered (stream, "%s = ", SYMBOL_PRINT_NAME (new));
+ else
+ fprintf_filtered (stream, "<builtin> = ");
+ type_print (type, "", stream, 0);
+ break;
+#endif
+#ifdef _LANG_pascal
+ case language_pascal:
+ fprintf_filtered (stream, "type ");
+ fprintf_filtered (stream, "%s = ", SYMBOL_PRINT_NAME (new));
+ type_print (type, "", stream, 0);
+ break;
+#endif
+ default:
+ error (_("Language not supported."));
+ }
+ fprintf_filtered (stream, ";\n");
+}
/* Print a description of a type TYPE in the form of a declaration of a
variable named VARSTRING. (VARSTRING is demangled if necessary.)
If SHOW is negative, we never show the details of elements' types. */
void
-type_print (type, varstring, stream, show)
- struct type *type;
- char *varstring;
- struct ui_file *stream;
- int show;
+type_print (struct type *type, char *varstring, struct ui_file *stream,
+ int show)
{
LA_PRINT_TYPE (type, varstring, stream, show, 0);
}
show is passed to type_print. */
static void
-whatis_exp (exp, show)
- char *exp;
- int show;
+whatis_exp (char *exp, int show)
{
struct expression *expr;
- register value_ptr val;
- register struct cleanup *old_chain = NULL;
+ struct value *val;
+ struct cleanup *old_chain = NULL;
struct type *real_type = NULL;
+ struct type *type;
int full = 0;
int top = -1;
int using_enc = 0;
if (exp)
{
expr = parse_expression (exp);
- old_chain = make_cleanup ((make_cleanup_func) free_current_contents,
- &expr);
+ old_chain = make_cleanup (free_current_contents, &expr);
val = evaluate_type (expr);
}
else
val = access_value_history (0);
+ type = value_type (val);
+
+ if (objectprint)
+ {
+ if (((TYPE_CODE (type) == TYPE_CODE_PTR) ||
+ (TYPE_CODE (type) == TYPE_CODE_REF))
+ &&
+ (TYPE_CODE (TYPE_TARGET_TYPE (type)) == TYPE_CODE_CLASS))
+ {
+ real_type = value_rtti_target_type (val, &full, &top, &using_enc);
+ if (real_type)
+ {
+ if (TYPE_CODE (type) == TYPE_CODE_PTR)
+ real_type = lookup_pointer_type (real_type);
+ else
+ real_type = lookup_reference_type (real_type);
+ }
+ }
+ else if (TYPE_CODE (type) == TYPE_CODE_CLASS)
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); */
+ if (real_type)
+ {
+ printf_filtered ("/* real type = ");
+ type_print (real_type, "", gdb_stdout, -1);
+ if (! full)
+ printf_filtered (" (incomplete object)");
+ printf_filtered (" */\n");
+ }
- type_print (VALUE_TYPE (val), "", gdb_stdout, show);
+ type_print (type, "", gdb_stdout, show);
printf_filtered ("\n");
if (exp)
do_cleanups (old_chain);
}
-/* ARGSUSED */
static void
-whatis_command (exp, from_tty)
- char *exp;
- int from_tty;
+whatis_command (char *exp, int from_tty)
{
/* Most of the time users do not want to see all the fields
in a structure. If they do they can use the "ptype" command.
whatis_exp (exp, -1);
}
-/* Simple subroutine for ptype_command. */
-
-static struct type *
-ptype_eval (exp)
- struct expression *exp;
-{
- if (exp->elts[0].opcode == OP_TYPE)
- {
- return (exp->elts[1].type);
- }
- else
- {
- return (NULL);
- }
-}
-
/* TYPENAME is either the name of a type, or an expression. */
-/* ARGSUSED */
static void
-ptype_command (typename, from_tty)
- char *typename;
- int from_tty;
+ptype_command (char *typename, int from_tty)
{
- register struct type *type;
- struct expression *expr;
- register struct cleanup *old_chain;
-
- if (typename == NULL)
- {
- /* Print type of last thing in value history. */
- whatis_exp (typename, 1);
- }
- else
- {
- expr = parse_expression (typename);
- old_chain = make_cleanup ((make_cleanup_func) free_current_contents,
- &expr);
- type = ptype_eval (expr);
- if (type != NULL)
- {
- /* User did "ptype <typename>" */
- printf_filtered ("type = ");
- type_print (type, "", gdb_stdout, 1);
- printf_filtered ("\n");
- do_cleanups (old_chain);
- }
- else
- {
- /* User did "ptype <symbolname>" */
- do_cleanups (old_chain);
- whatis_exp (typename, 1);
- }
- }
+ whatis_exp (typename, 1);
}
/* Print integral scalar data VAL, of type TYPE, onto stdio stream STREAM.
that come from the inferior in target byte order and target size. */
void
-print_type_scalar (type, val, stream)
- struct type *type;
- LONGEST val;
- struct ui_file *stream;
+print_type_scalar (struct type *type, LONGEST val, struct ui_file *stream)
{
unsigned int i;
unsigned len;
case TYPE_CODE_SET:
case TYPE_CODE_STRING:
case TYPE_CODE_ERROR:
- case TYPE_CODE_MEMBER:
+ case TYPE_CODE_MEMBERPTR:
+ case TYPE_CODE_METHODPTR:
case TYPE_CODE_METHOD:
case TYPE_CODE_REF:
- error ("internal error: unhandled type in print_type_scalar");
+ case TYPE_CODE_NAMESPACE:
+ error (_("internal error: unhandled type in print_type_scalar"));
break;
default:
- error ("Invalid type code in symbol table.");
+ error (_("Invalid type code in symbol table."));
}
gdb_flush (stream);
}
and whatis_command(). */
void
-maintenance_print_type (typename, from_tty)
- char *typename;
- int from_tty;
+maintenance_print_type (char *typename, int from_tty)
{
- register value_ptr val;
- register struct type *type;
- register struct cleanup *old_chain;
+ struct value *val;
+ struct type *type;
+ struct cleanup *old_chain;
struct expression *expr;
if (typename != NULL)
{
expr = parse_expression (typename);
- old_chain = make_cleanup ((make_cleanup_func) free_current_contents, &expr);
+ old_chain = make_cleanup (free_current_contents, &expr);
if (expr->elts[0].opcode == OP_TYPE)
{
/* The user expression names a type directly, just use that type. */
/* The user expression may name a type indirectly by naming an
object of that type. Find that indirectly named type. */
val = evaluate_type (expr);
- type = VALUE_TYPE (val);
+ type = value_type (val);
}
if (type != NULL)
{
\f
void
-_initialize_typeprint ()
+_initialize_typeprint (void)
{
- add_com ("ptype", class_vars, ptype_command,
- "Print definition of type TYPE.\n\
+ add_com ("ptype", class_vars, ptype_command, _("\
+Print definition of type TYPE.\n\
Argument may be a type name defined by typedef, or \"struct STRUCT-TAG\"\n\
or \"class CLASS-NAME\" or \"union UNION-TAG\" or \"enum ENUM-TAG\".\n\
-The selected stack frame's lexical context is used to look up the name.");
+The selected stack frame's lexical context is used to look up the name."));
add_com ("whatis", class_vars, whatis_command,
- "Print data type of expression EXP.");
+ _("Print data type of expression EXP."));
}