/* Language independent support for printing types for GDB, the GNU debugger.
- Copyright 1986, 1988, 1989, 1991, 1992, 1993 Free Software Foundation, Inc.
-This file is part of GDB.
+ Copyright 1986, 1988, 1989, 1991, 1992, 1993, 1994, 1995, 1998,
+ 1999, 2000, 2001, 2003 Free Software Foundation, Inc.
-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
-(at your option) any later version.
+ This file is part of GDB.
-This program is distributed in the hope that it will be useful,
-but WITHOUT ANY WARRANTY; without even the implied warranty of
-MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-GNU General Public License for more details.
+ 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
+ (at your option) any later version.
-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. */
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ 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. */
#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 <string.h>
+#include "gdb_string.h"
#include <errno.h>
-static void
-ptype_command PARAMS ((char *, int));
+/* 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 struct type *
-ptype_eval PARAMS ((struct expression *));
+extern void _initialize_typeprint (void);
-static void
-whatis_command PARAMS ((char *, int));
+static void ptype_command (char *, int);
-static void
-whatis_exp PARAMS ((char *, int));
+static struct type *ptype_eval (struct expression *);
+
+static void whatis_command (char *, int);
+
+static void whatis_exp (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))), SYMBOL_NAME (new)) != 0)
+ fprintf_filtered (stream, " %s", SYMBOL_SOURCE_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))), SYMBOL_NAME (new)) != 0)
+ fprintf_filtered (stream, "%s = ", SYMBOL_SOURCE_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_SOURCE_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;
- 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 val;
- register struct cleanup *old_chain;
+ struct value *val;
+ register 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)
{
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 = ");
- type_print (VALUE_TYPE (val), "", stdout, show);
+
+ 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 (type, "", gdb_stdout, show);
printf_filtered ("\n");
if (exp)
/* 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.
/* Simple subroutine for ptype_command. */
static struct type *
-ptype_eval (exp)
- struct expression *exp;
+ptype_eval (struct expression *exp)
{
if (exp->elts[0].opcode == OP_TYPE)
{
/* 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;
{
/* User did "ptype <typename>" */
printf_filtered ("type = ");
- type_print (type, "", stdout, 1);
+ type_print (type, "", gdb_stdout, 1);
printf_filtered ("\n");
do_cleanups (old_chain);
}
that come from the inferior in target byte order and target size. */
void
-print_type_scalar (type, val, stream)
- struct type *type;
- LONGEST val;
- FILE *stream;
+print_type_scalar (struct type *type, LONGEST val, struct ui_file *stream)
{
unsigned int i;
unsigned len;
+ CHECK_TYPEDEF (type);
+
switch (TYPE_CODE (type))
{
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:
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:
default:
error ("Invalid type code in symbol table.");
}
- fflush (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(). */
void
-maintenance_print_type (typename, from_tty)
- char *typename;
- int from_tty;
+maintenance_print_type (char *typename, int from_tty)
{
- register value val;
+ struct value *val;
register struct type *type;
register struct cleanup *old_chain;
struct expression *expr;
if (typename != NULL)
- {
- expr = parse_expression (typename);
- 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. */
- type = expr -> elts[1].type;
- }
- else
- {
- /* 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);
- }
- if (type != NULL)
- {
- recursive_dump_type (type, 0);
- }
- do_cleanups (old_chain);
- }
+ {
+ expr = parse_expression (typename);
+ 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. */
+ type = expr->elts[1].type;
+ }
+ else
+ {
+ /* 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);
+ }
+ if (type != NULL)
+ {
+ recursive_dump_type (type, 0);
+ }
+ do_cleanups (old_chain);
+ }
}
-
-#endif /* MAINTENANCE_CMDS */
-
\f
+
void
-_initialize_typeprint ()
+_initialize_typeprint (void)
{
add_com ("ptype", class_vars, ptype_command,
"Print definition of type TYPE.\n\
-Argument may be a type name defined by typedef, or \"struct STRUCTNAME\"\n\
-or \"union UNIONNAME\" or \"enum ENUMNAME\".\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.");
add_com ("whatis", class_vars, whatis_command,
projects / deliverable / binutils-gdb.git / blobdiff