/* Support for printing C and C++ types for GDB, the GNU debugger.
Copyright (C) 1986, 1988, 1989, 1991, 1992, 1993, 1994, 1995, 1996, 1998,
- 1999, 2000, 2001, 2002, 2003
+ 1999, 2000, 2001, 2002, 2003, 2006, 2007, 2008, 2009, 2010
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., 51 Franklin Street, Fifth Floor,
- Boston, MA 02110-1301, USA. */
+ along with this program. If not, see <http://www.gnu.org/licenses/>. */
#include "defs.h"
#include "gdb_obstack.h"
#include "c-lang.h"
#include "typeprint.h"
#include "cp-abi.h"
+#include "jv-lang.h"
#include "gdb_string.h"
#include <errno.h>
char *varstring, int staticp,
struct ui_file *stream);
-static void c_type_print_args (struct type *, struct ui_file *);
-
static void cp_type_print_derivation_info (struct ui_file *, struct type *);
static void c_type_print_varspec_prefix (struct type *, struct ui_file *, int,
c_type_print_base (type, stream, show, level);
code = TYPE_CODE (type);
if ((varstring != NULL && *varstring != '\0')
- ||
/* Need a space if going to print stars or brackets;
but not if we will print just a type name. */
- ((show > 0 || TYPE_NAME (type) == 0)
- &&
- (code == TYPE_CODE_PTR || code == TYPE_CODE_FUNC
- || code == TYPE_CODE_METHOD
- || code == TYPE_CODE_ARRAY
- || code == TYPE_CODE_MEMBER
- || code == TYPE_CODE_REF)))
+ || ((show > 0 || TYPE_NAME (type) == 0)
+ && (code == TYPE_CODE_PTR || code == TYPE_CODE_FUNC
+ || code == TYPE_CODE_METHOD
+ || code == TYPE_CODE_ARRAY
+ || code == TYPE_CODE_MEMBERPTR
+ || code == TYPE_CODE_METHODPTR
+ || code == TYPE_CODE_REF)))
fputs_filtered (" ", stream);
need_post_space = (varstring != NULL && strcmp (varstring, "") != 0);
c_type_print_varspec_prefix (type, stream, show, 0, need_post_space);
}
}
+/* Print a typedef using C syntax. TYPE is the underlying type.
+ NEW_SYMBOL is the symbol naming the type. STREAM is the stream on
+ which to print. */
+
+void
+c_print_typedef (struct type *type, struct symbol *new_symbol,
+ struct ui_file *stream)
+{
+ CHECK_TYPEDEF (type);
+ fprintf_filtered (stream, "typedef ");
+ type_print (type, "", stream, 0);
+ if (TYPE_NAME ((SYMBOL_TYPE (new_symbol))) == 0
+ || strcmp (TYPE_NAME ((SYMBOL_TYPE (new_symbol))),
+ SYMBOL_LINKAGE_NAME (new_symbol)) != 0)
+ fprintf_filtered (stream, " %s", SYMBOL_PRINT_NAME (new_symbol));
+ fprintf_filtered (stream, ";\n");
+}
+
/* If TYPE is a derived type, then print out derivation information.
Print only the actual base classes of this type, not the base classes
of the base classes. I.E. for the derivation hierarchy:
fprintf_filtered (stream, "void");
fprintf_filtered (stream, ")");
+
+ /* For non-static methods, read qualifiers from the type of
+ THIS. */
+ if (!staticp)
+ {
+ struct type *domain;
+
+ gdb_assert (nargs > 0);
+ gdb_assert (TYPE_CODE (args[0].type) == TYPE_CODE_PTR);
+ domain = TYPE_TARGET_TYPE (args[0].type);
+
+ if (TYPE_CONST (domain))
+ fprintf_filtered (stream, " const");
+
+ if (TYPE_VOLATILE (domain))
+ fprintf_filtered (stream, " volatile");
+ }
}
int show, int passed_a_ptr, int need_post_space)
{
char *name;
+
if (type == 0)
return;
c_type_print_modifier (type, stream, 1, need_post_space);
break;
- case TYPE_CODE_MEMBER:
- if (passed_a_ptr)
- fprintf_filtered (stream, "(");
+ case TYPE_CODE_MEMBERPTR:
c_type_print_varspec_prefix (TYPE_TARGET_TYPE (type), stream, show, 0, 0);
- fprintf_filtered (stream, " ");
name = type_name_no_tag (TYPE_DOMAIN_TYPE (type));
if (name)
fputs_filtered (name, stream);
else
c_type_print_base (TYPE_DOMAIN_TYPE (type), stream, 0, passed_a_ptr);
- fprintf_filtered (stream, "::");
+ fprintf_filtered (stream, "::*");
break;
- case TYPE_CODE_METHOD:
- if (passed_a_ptr)
- fprintf_filtered (stream, "(");
+ case TYPE_CODE_METHODPTR:
c_type_print_varspec_prefix (TYPE_TARGET_TYPE (type), stream, show, 0, 0);
- if (passed_a_ptr)
- {
- fprintf_filtered (stream, " ");
- c_type_print_base (TYPE_DOMAIN_TYPE (type), stream, 0, passed_a_ptr);
- fprintf_filtered (stream, "::");
- }
+ fprintf_filtered (stream, "(");
+ name = type_name_no_tag (TYPE_DOMAIN_TYPE (type));
+ if (name)
+ fputs_filtered (name, stream);
+ else
+ c_type_print_base (TYPE_DOMAIN_TYPE (type), stream, 0, passed_a_ptr);
+ fprintf_filtered (stream, "::*");
break;
case TYPE_CODE_REF:
c_type_print_modifier (type, stream, 1, need_post_space);
break;
+ case TYPE_CODE_METHOD:
case TYPE_CODE_FUNC:
c_type_print_varspec_prefix (TYPE_TARGET_TYPE (type), stream, show, 0, 0);
if (passed_a_ptr)
case TYPE_CODE_STRING:
case TYPE_CODE_BITSTRING:
case TYPE_CODE_COMPLEX:
- case TYPE_CODE_TEMPLATE:
case TYPE_CODE_NAMESPACE:
+ case TYPE_CODE_DECFLOAT:
/* These types need no prefix. They are listed here so that
gcc -Wall will reveal any types that haven't been handled. */
break;
did_print_modifier = 1;
}
- address_space_id = address_space_int_to_name (TYPE_INSTANCE_FLAGS (type));
+ address_space_id = address_space_int_to_name (get_type_arch (type),
+ TYPE_INSTANCE_FLAGS (type));
if (address_space_id)
{
if (did_print_modifier || need_pre_space)
}
+/* Print out the arguments of TYPE, which should have TYPE_CODE_METHOD
+ or TYPE_CODE_FUNC, to STREAM. Artificial arguments, such as "this"
+ in non-static methods, are displayed if SHOW_ARTIFICIAL is
+ non-zero. LANGUAGE is the language in which TYPE was defined. This is
+ a necessary evil since this code is used by the C, C++, and Java
+ backends. */
-
-static void
-c_type_print_args (struct type *type, struct ui_file *stream)
+void
+c_type_print_args (struct type *type, struct ui_file *stream,
+ int show_artificial, enum language language)
{
- int i;
+ int i, len;
struct field *args;
+ int printed_any = 0;
fprintf_filtered (stream, "(");
args = TYPE_FIELDS (type);
- if (args != NULL)
- {
- int i;
+ len = TYPE_NFIELDS (type);
- /* FIXME drow/2002-05-31: Always skips the first argument,
- should we be checking for static members? */
+ for (i = 0; i < TYPE_NFIELDS (type); i++)
+ {
+ if (TYPE_FIELD_ARTIFICIAL (type, i) && !show_artificial)
+ continue;
- for (i = 1; i < TYPE_NFIELDS (type); i++)
+ if (printed_any)
{
- c_print_type (args[i].type, "", stream, -1, 0);
- if (i != TYPE_NFIELDS (type))
- {
- fprintf_filtered (stream, ",");
- wrap_here (" ");
- }
+ fprintf_filtered (stream, ", ");
+ wrap_here (" ");
}
- if (TYPE_VARARGS (type))
- fprintf_filtered (stream, "...");
- else if (i == 1
- && (current_language->la_language == language_cplus))
- fprintf_filtered (stream, "void");
+
+ if (language == language_java)
+ java_print_type (TYPE_FIELD_TYPE (type, i), "", stream, -1, 0);
+ else
+ c_print_type (TYPE_FIELD_TYPE (type, i), "", stream, -1, 0);
+ printed_any = 1;
}
- else if (current_language->la_language == language_cplus)
+
+ if (printed_any && TYPE_VARARGS (type))
{
- fprintf_filtered (stream, "void");
+ /* Print out a trailing ellipsis for varargs functions. Ignore
+ TYPE_VARARGS if the function has no named arguments; that
+ represents unprototyped (K&R style) C functions. */
+ if (printed_any && TYPE_VARARGS (type))
+ {
+ fprintf_filtered (stream, ", ");
+ wrap_here (" ");
+ fprintf_filtered (stream, "...");
+ }
}
+ else if (!printed_any
+ && ((TYPE_PROTOTYPED (type) && language != language_java)
+ || language == language_cplus))
+ fprintf_filtered (stream, "void");
fprintf_filtered (stream, ")");
}
fprintf_filtered (stream, ")");
fprintf_filtered (stream, "[");
- if (TYPE_LENGTH (type) >= 0 && TYPE_LENGTH (TYPE_TARGET_TYPE (type)) > 0
- && TYPE_ARRAY_UPPER_BOUND_TYPE (type) != BOUND_CANNOT_BE_DETERMINED)
+ if (TYPE_LENGTH (TYPE_TARGET_TYPE (type)) > 0
+ && !TYPE_ARRAY_UPPER_BOUND_IS_UNDEFINED (type))
fprintf_filtered (stream, "%d",
(TYPE_LENGTH (type)
/ TYPE_LENGTH (TYPE_TARGET_TYPE (type))));
0, 0);
break;
- case TYPE_CODE_MEMBER:
- if (passed_a_ptr)
- fprintf_filtered (stream, ")");
+ case TYPE_CODE_MEMBERPTR:
c_type_print_varspec_suffix (TYPE_TARGET_TYPE (type), stream, show,
0, 0);
break;
- case TYPE_CODE_METHOD:
- if (passed_a_ptr)
- fprintf_filtered (stream, ")");
+ case TYPE_CODE_METHODPTR:
+ fprintf_filtered (stream, ")");
c_type_print_varspec_suffix (TYPE_TARGET_TYPE (type), stream, show,
0, 0);
- if (passed_a_ptr)
- {
- c_type_print_args (type, stream);
- }
break;
case TYPE_CODE_PTR:
1, 0);
break;
+ case TYPE_CODE_METHOD:
case TYPE_CODE_FUNC:
if (passed_a_ptr)
fprintf_filtered (stream, ")");
if (!demangled_args)
- {
- int i, len = TYPE_NFIELDS (type);
- fprintf_filtered (stream, "(");
- if (len == 0
- && (TYPE_PROTOTYPED (type)
- || current_language->la_language == language_cplus))
- {
- fprintf_filtered (stream, "void");
- }
- else
- for (i = 0; i < len; i++)
- {
- if (i > 0)
- {
- fputs_filtered (", ", stream);
- wrap_here (" ");
- }
- c_print_type (TYPE_FIELD_TYPE (type, i), "", stream, -1, 0);
- }
- fprintf_filtered (stream, ")");
- }
+ c_type_print_args (type, stream, 1, current_language->la_language);
c_type_print_varspec_suffix (TYPE_TARGET_TYPE (type), stream, show,
passed_a_ptr, 0);
break;
case TYPE_CODE_STRING:
case TYPE_CODE_BITSTRING:
case TYPE_CODE_COMPLEX:
- case TYPE_CODE_TEMPLATE:
case TYPE_CODE_NAMESPACE:
+ case TYPE_CODE_DECFLOAT:
/* These types do not need a suffix. They are listed so that
gcc -Wall will report types that may not have been considered. */
break;
case TYPE_CODE_TYPEDEF:
case TYPE_CODE_ARRAY:
case TYPE_CODE_PTR:
- case TYPE_CODE_MEMBER:
+ case TYPE_CODE_MEMBERPTR:
case TYPE_CODE_REF:
case TYPE_CODE_FUNC:
case TYPE_CODE_METHOD:
+ case TYPE_CODE_METHODPTR:
c_type_print_base (TYPE_TARGET_TYPE (type), stream, show, level);
break;
case TYPE_CODE_STRUCT:
c_type_print_modifier (type, stream, 0, 1);
- /* Note TYPE_CODE_STRUCT and TYPE_CODE_CLASS have the same value,
- * so we use another means for distinguishing them.
- */
- if (HAVE_CPLUS_STRUCT (type))
- {
- switch (TYPE_DECLARED_TYPE (type))
- {
- case DECLARED_TYPE_CLASS:
- fprintf_filtered (stream, "class ");
- break;
- case DECLARED_TYPE_UNION:
- fprintf_filtered (stream, "union ");
- break;
- case DECLARED_TYPE_STRUCT:
- fprintf_filtered (stream, "struct ");
- break;
- default:
- /* If there is a CPLUS_STRUCT, assume class if not
- * otherwise specified in the declared_type field.
- */
- fprintf_filtered (stream, "class ");
- break;
- } /* switch */
- }
+ if (TYPE_DECLARED_CLASS (type))
+ fprintf_filtered (stream, "class ");
else
- {
- /* If not CPLUS_STRUCT, then assume it's a C struct */
- fprintf_filtered (stream, "struct ");
- }
+ fprintf_filtered (stream, "struct ");
goto struct_union;
case TYPE_CODE_UNION:
* tag for unnamed struct/union/enum's, which we don't
* want to print.
*/
- if (TYPE_TAG_NAME (type) != NULL &&
- strncmp (TYPE_TAG_NAME (type), "{unnamed", 8))
+ if (TYPE_TAG_NAME (type) != NULL
+ && strncmp (TYPE_TAG_NAME (type), "{unnamed", 8))
{
fputs_filtered (TYPE_TAG_NAME (type), stream);
if (show > 0)
}
else if (show > 0 || TYPE_TAG_NAME (type) == NULL)
{
+ struct type *basetype;
+ int vptr_fieldno;
+
cp_type_print_derivation_info (stream, type);
fprintf_filtered (stream, "{\n");
masquerading as a class, if all members are public, there's
no need for a "public:" label. */
- if ((TYPE_DECLARED_TYPE (type) == DECLARED_TYPE_CLASS) ||
- (TYPE_DECLARED_TYPE (type) == DECLARED_TYPE_TEMPLATE))
+ if (TYPE_DECLARED_CLASS (type))
{
QUIT;
len = TYPE_NFIELDS (type);
}
}
}
- else if ((TYPE_DECLARED_TYPE (type) == DECLARED_TYPE_STRUCT) ||
- (TYPE_DECLARED_TYPE (type) == DECLARED_TYPE_UNION))
+ else
{
QUIT;
len = TYPE_NFIELDS (type);
QUIT;
len = TYPE_FN_FIELDLIST_LENGTH (type, j);
for (i = 0; i < len; i++)
- if (TYPE_FN_FIELD_PRIVATE (TYPE_FN_FIELDLIST1 (type, j), i) ||
- TYPE_FN_FIELD_PROTECTED (TYPE_FN_FIELDLIST1 (type, j), i))
+ if (TYPE_FN_FIELD_PRIVATE (TYPE_FN_FIELDLIST1 (type, j), i)
+ || TYPE_FN_FIELD_PROTECTED (TYPE_FN_FIELDLIST1 (type, j), i))
{
need_access_label = 1;
break;
do not print the field that it occupies. */
len = TYPE_NFIELDS (type);
+ vptr_fieldno = get_vptr_fieldno (type, &basetype);
for (i = TYPE_N_BASECLASSES (type); i < len; i++)
{
QUIT;
- /* Don't print out virtual function table. */
- /* HP ANSI C++ case */
- if (TYPE_HAS_VTABLE (type)
- && (strncmp (TYPE_FIELD_NAME (type, i), "__vfp", 5) == 0))
- continue;
- /* Other compilers */
- if (strncmp (TYPE_FIELD_NAME (type, i), "_vptr", 5) == 0
- && is_cplus_marker ((TYPE_FIELD_NAME (type, i))[5]))
- continue;
- /* If this is a C++ class we can print the various C++ section
- labels. */
+ /* If we have a virtual table pointer, omit it. Even if
+ virtual table pointers are not specifically marked in
+ the debug info, they should be artificial. */
+ if ((i == vptr_fieldno && type == basetype)
+ || TYPE_FIELD_ARTIFICIAL (type, i))
+ continue;
- if (HAVE_CPLUS_STRUCT (type) && need_access_label)
+ if (need_access_label)
{
if (TYPE_FIELD_PROTECTED (type, i))
{
}
print_spaces_filtered (level + 4, stream);
- if (TYPE_FIELD_STATIC (type, i))
- {
- fprintf_filtered (stream, "static ");
- }
+ if (field_is_static (&TYPE_FIELD (type, i)))
+ fprintf_filtered (stream, "static ");
c_print_type (TYPE_FIELD_TYPE (type, i),
TYPE_FIELD_NAME (type, i),
stream, show - 1, level + 4);
- if (!TYPE_FIELD_STATIC (type, i)
+ if (!field_is_static (&TYPE_FIELD (type, i))
&& TYPE_FIELD_PACKED (type, i))
{
/* It is a bitfield. This code does not attempt
struct fn_field *f = TYPE_FN_FIELDLIST1 (type, i);
int len2 = TYPE_FN_FIELDLIST_LENGTH (type, i);
int j;
+
for (j = 0; j < len2; j++)
if (!TYPE_FN_FIELD_ARTIFICIAL (f, j))
real_len++;
char *method_name = TYPE_FN_FIELDLIST_NAME (type, i);
char *name = type_name_no_tag (type);
int is_constructor = name && strcmp (method_name, name) == 0;
+
for (j = 0; j < len2; j++)
{
char *physname = TYPE_FN_FIELD_PHYSNAME (f, j);
int is_full_physname_constructor =
- is_constructor_name (physname)
- || is_destructor_name (physname)
- || method_name[0] == '~';
+ is_constructor_name (physname)
+ || is_destructor_name (physname)
+ || method_name[0] == '~';
/* Do not print out artificial methods. */
if (TYPE_FN_FIELD_ARTIFICIAL (f, j))
TYPE_FN_FIELD_PHYSNAME (f, j));
break;
}
- else if (!is_constructor && /* constructors don't have declared types */
- !is_full_physname_constructor && /* " " */
- !is_type_conversion_operator (type, i, j))
+ else if (!is_constructor /* constructors don't have declared types */
+ && !is_full_physname_constructor /* " " */
+ && !is_type_conversion_operator (type, i, j))
{
type_print (TYPE_TARGET_TYPE (TYPE_FN_FIELD_TYPE (f, j)),
"", stream, -1);
{
int staticp = TYPE_FN_FIELD_STATIC_P (f, j);
struct type *mtype = TYPE_FN_FIELD_TYPE (f, j);
+
cp_type_print_method_args (mtype,
"",
method_name,
if (p != NULL)
{
int length = p - demangled_no_class;
+
demangled_no_static = (char *) xmalloc (length + 1);
strncpy (demangled_no_static, demangled_no_class, length);
*(demangled_no_static + length) = '\0';
TYPE_LOCALTYPE_FILE (type),
TYPE_LOCALTYPE_LINE (type));
}
- if (TYPE_CODE (type) == TYPE_CODE_TEMPLATE)
- goto go_back;
break;
case TYPE_CODE_ENUM:
c_type_print_modifier (type, stream, 0, 1);
- /* HP C supports sized enums */
- if (deprecated_hp_som_som_object_present)
- switch (TYPE_LENGTH (type))
- {
- case 1:
- fputs_filtered ("char ", stream);
- break;
- case 2:
- fputs_filtered ("short ", stream);
- break;
- default:
- break;
- }
fprintf_filtered (stream, "enum ");
/* Print the tag name if it exists.
The aCC compiler emits a spurious
"{unnamed struct}"/"{unnamed union}"/"{unnamed enum}"
tag for unnamed struct/union/enum's, which we don't
want to print. */
- if (TYPE_TAG_NAME (type) != NULL &&
- strncmp (TYPE_TAG_NAME (type), "{unnamed", 8))
+ if (TYPE_TAG_NAME (type) != NULL
+ && strncmp (TYPE_TAG_NAME (type), "{unnamed", 8))
{
fputs_filtered (TYPE_TAG_NAME (type), stream);
if (show > 0)
fprintf_filtered (stream, _("<range type>"));
break;
- case TYPE_CODE_TEMPLATE:
- /* Called on "ptype t" where "t" is a template.
- Prints the template header (with args), e.g.:
- template <class T1, class T2> class "
- and then merges with the struct/union/class code to
- print the rest of the definition. */
- c_type_print_modifier (type, stream, 0, 1);
- fprintf_filtered (stream, "template <");
- for (i = 0; i < TYPE_NTEMPLATE_ARGS (type); i++)
- {
- struct template_arg templ_arg;
- templ_arg = TYPE_TEMPLATE_ARG (type, i);
- fprintf_filtered (stream, "class %s", templ_arg.name);
- if (i < TYPE_NTEMPLATE_ARGS (type) - 1)
- fprintf_filtered (stream, ", ");
- }
- fprintf_filtered (stream, "> class ");
- /* Yuck, factor this out to a subroutine so we can call
- it and return to the point marked with the "goback:" label... - RT */
- goto struct_union;
- go_back:
- if (TYPE_NINSTANTIATIONS (type) > 0)
- {
- fprintf_filtered (stream, _("\ntemplate instantiations:\n"));
- for (i = 0; i < TYPE_NINSTANTIATIONS (type); i++)
- {
- fprintf_filtered (stream, " ");
- c_type_print_base (TYPE_INSTANTIATION (type, i), stream, 0, level);
- if (i < TYPE_NINSTANTIATIONS (type) - 1)
- fprintf_filtered (stream, "\n");
- }
- }
- break;
-
case TYPE_CODE_NAMESPACE:
fputs_filtered ("namespace ", stream);
fputs_filtered (TYPE_TAG_NAME (type), stream);