mirror of
https://sourceware.org/git/binutils-gdb.git
synced 2024-12-03 04:12:10 +08:00
1092 lines
32 KiB
C
1092 lines
32 KiB
C
/* Support for printing C and C++ types for GDB, the GNU debugger.
|
||
Copyright 1986, 1988, 1989, 1991, 1993, 1994, 1995, 1996, 1998, 1999
|
||
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
|
||
(at your option) any later version.
|
||
|
||
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 "bfd.h" /* Binary File Description */
|
||
#include "symtab.h"
|
||
#include "gdbtypes.h"
|
||
#include "expression.h"
|
||
#include "value.h"
|
||
#include "gdbcore.h"
|
||
#include "target.h"
|
||
#include "command.h"
|
||
#include "gdbcmd.h"
|
||
#include "language.h"
|
||
#include "demangle.h"
|
||
#include "c-lang.h"
|
||
#include "typeprint.h"
|
||
|
||
#include "gdb_string.h"
|
||
#include <errno.h>
|
||
#include <ctype.h>
|
||
|
||
/* Flag indicating target was compiled by HP compiler */
|
||
extern int hp_som_som_object_present;
|
||
|
||
static void cp_type_print_method_args PARAMS ((struct type **args, char *prefix, char *varstring, int staticp, GDB_FILE *stream));
|
||
|
||
static void
|
||
c_type_print_args PARAMS ((struct type *, GDB_FILE *));
|
||
|
||
static void
|
||
cp_type_print_derivation_info PARAMS ((GDB_FILE *, struct type *));
|
||
|
||
void
|
||
c_type_print_varspec_prefix PARAMS ((struct type *, GDB_FILE *, int, int));
|
||
|
||
static void
|
||
c_type_print_cv_qualifier PARAMS ((struct type *, GDB_FILE *, int, 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
|
||
c_typedef_print (type, new, stream)
|
||
struct type *type;
|
||
struct symbol *new;
|
||
GDB_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
|
||
|| !STREQ (TYPE_NAME ((SYMBOL_TYPE (new))), SYMBOL_NAME (new)))
|
||
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)) ||
|
||
!STREQ (TYPE_NAME(SYMBOL_TYPE(new)), SYMBOL_NAME(new)))
|
||
fprintf_filtered(stream, "%s = ", SYMBOL_SOURCE_NAME(new));
|
||
else
|
||
fprintf_filtered(stream, "<builtin> = ");
|
||
type_print(type,"",stream,0);
|
||
break;
|
||
#endif
|
||
#ifdef _LANG_chill
|
||
case language_chill:
|
||
fprintf_filtered(stream, "SYNMODE ");
|
||
if(!TYPE_NAME(SYMBOL_TYPE(new)) ||
|
||
!STREQ (TYPE_NAME(SYMBOL_TYPE(new)), SYMBOL_NAME(new)))
|
||
fprintf_filtered(stream, "%s = ", SYMBOL_SOURCE_NAME(new));
|
||
else
|
||
fprintf_filtered(stream, "<builtin> = ");
|
||
type_print(type,"",stream,0);
|
||
break;
|
||
#endif
|
||
default:
|
||
error("Language not supported.");
|
||
}
|
||
fprintf_filtered(stream, ";\n");
|
||
}
|
||
|
||
|
||
/* LEVEL is the depth to indent lines by. */
|
||
|
||
void
|
||
c_print_type (type, varstring, stream, show, level)
|
||
struct type *type;
|
||
char *varstring;
|
||
GDB_FILE *stream;
|
||
int show;
|
||
int level;
|
||
{
|
||
register enum type_code code;
|
||
int demangled_args;
|
||
|
||
if (show > 0)
|
||
CHECK_TYPEDEF (type);
|
||
|
||
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)))
|
||
fputs_filtered (" ", stream);
|
||
c_type_print_varspec_prefix (type, stream, show, 0);
|
||
|
||
if (varstring != NULL)
|
||
{
|
||
fputs_filtered (varstring, stream);
|
||
|
||
/* For demangled function names, we have the arglist as part of the name,
|
||
so don't print an additional pair of ()'s */
|
||
|
||
demangled_args = strchr(varstring, '(') != NULL;
|
||
c_type_print_varspec_suffix (type, stream, show, 0, demangled_args);
|
||
}
|
||
}
|
||
|
||
/* 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:
|
||
|
||
class A { int a; };
|
||
class B : public A {int b; };
|
||
class C : public B {int c; };
|
||
|
||
Print the type of class C as:
|
||
|
||
class C : public B {
|
||
int c;
|
||
}
|
||
|
||
Not as the following (like gdb used to), which is not legal C++ syntax for
|
||
derived types and may be confused with the multiple inheritance form:
|
||
|
||
class C : public B : public A {
|
||
int c;
|
||
}
|
||
|
||
In general, gdb should try to print the types as closely as possible to
|
||
the form that they appear in the source code.
|
||
Note that in case of protected derivation gcc will not say 'protected'
|
||
but 'private'. The HP's aCC compiler emits specific information for
|
||
derivation via protected inheritance, so gdb can print it out */
|
||
|
||
static void
|
||
cp_type_print_derivation_info (stream, type)
|
||
GDB_FILE *stream;
|
||
struct type *type;
|
||
{
|
||
char *name;
|
||
int i;
|
||
|
||
for (i = 0; i < TYPE_N_BASECLASSES (type); i++)
|
||
{
|
||
fputs_filtered (i == 0 ? ": " : ", ", stream);
|
||
fprintf_filtered (stream, "%s%s ",
|
||
BASETYPE_VIA_PUBLIC (type, i) ? "public"
|
||
: (TYPE_FIELD_PROTECTED (type, i) ? "protected" : "private"),
|
||
BASETYPE_VIA_VIRTUAL(type, i) ? " virtual" : "");
|
||
name = type_name_no_tag (TYPE_BASECLASS (type, i));
|
||
fprintf_filtered (stream, "%s", name ? name : "(null)");
|
||
}
|
||
if (i > 0)
|
||
{
|
||
fputs_filtered (" ", stream);
|
||
}
|
||
}
|
||
/* Print the C++ method arguments ARGS to the file STREAM. */
|
||
|
||
static void
|
||
cp_type_print_method_args (args, prefix, varstring, staticp, stream)
|
||
struct type **args;
|
||
char *prefix;
|
||
char *varstring;
|
||
int staticp;
|
||
GDB_FILE *stream;
|
||
{
|
||
int i;
|
||
|
||
fprintf_symbol_filtered (stream, prefix, language_cplus, DMGL_ANSI);
|
||
fprintf_symbol_filtered (stream, varstring, language_cplus, DMGL_ANSI);
|
||
fputs_filtered ("(", stream);
|
||
if (args && args[!staticp] && args[!staticp]->code != TYPE_CODE_VOID)
|
||
{
|
||
i = !staticp; /* skip the class variable */
|
||
while (1)
|
||
{
|
||
type_print (args[i++], "", stream, 0);
|
||
if (!args[i])
|
||
{
|
||
fprintf_filtered (stream, " ...");
|
||
break;
|
||
}
|
||
else if (args[i]->code != TYPE_CODE_VOID)
|
||
{
|
||
fprintf_filtered (stream, ", ");
|
||
}
|
||
else break;
|
||
}
|
||
}
|
||
else if (current_language->la_language == language_cplus)
|
||
{
|
||
fprintf_filtered (stream, "void");
|
||
}
|
||
|
||
fprintf_filtered (stream, ")");
|
||
}
|
||
|
||
|
||
/* Print any asterisks or open-parentheses needed before the
|
||
variable name (to describe its type).
|
||
|
||
On outermost call, pass 0 for PASSED_A_PTR.
|
||
On outermost call, SHOW > 0 means should ignore
|
||
any typename for TYPE and show its details.
|
||
SHOW is always zero on recursive calls. */
|
||
|
||
void
|
||
c_type_print_varspec_prefix (type, stream, show, passed_a_ptr)
|
||
struct type *type;
|
||
GDB_FILE *stream;
|
||
int show;
|
||
int passed_a_ptr;
|
||
{
|
||
char *name;
|
||
if (type == 0)
|
||
return;
|
||
|
||
if (TYPE_NAME (type) && show <= 0)
|
||
return;
|
||
|
||
QUIT;
|
||
|
||
switch (TYPE_CODE (type))
|
||
{
|
||
case TYPE_CODE_PTR:
|
||
c_type_print_varspec_prefix (TYPE_TARGET_TYPE (type), stream, 0, 1);
|
||
fprintf_filtered (stream, "*");
|
||
c_type_print_cv_qualifier (type, stream, 1, 0);
|
||
break;
|
||
|
||
case TYPE_CODE_MEMBER:
|
||
if (passed_a_ptr)
|
||
fprintf_filtered (stream, "(");
|
||
c_type_print_varspec_prefix (TYPE_TARGET_TYPE (type), stream, 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, "::");
|
||
break;
|
||
|
||
case TYPE_CODE_METHOD:
|
||
if (passed_a_ptr)
|
||
fprintf_filtered (stream, "(");
|
||
c_type_print_varspec_prefix (TYPE_TARGET_TYPE (type), stream, 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, "::");
|
||
}
|
||
break;
|
||
|
||
case TYPE_CODE_REF:
|
||
c_type_print_varspec_prefix (TYPE_TARGET_TYPE (type), stream, 0, 1);
|
||
fprintf_filtered (stream, "&");
|
||
c_type_print_cv_qualifier (type, stream, 1, 0);
|
||
break;
|
||
|
||
case TYPE_CODE_FUNC:
|
||
c_type_print_varspec_prefix (TYPE_TARGET_TYPE (type), stream, 0, 0);
|
||
if (passed_a_ptr)
|
||
fprintf_filtered (stream, "(");
|
||
break;
|
||
|
||
case TYPE_CODE_ARRAY:
|
||
c_type_print_varspec_prefix (TYPE_TARGET_TYPE (type), stream, 0, 0);
|
||
if (passed_a_ptr)
|
||
fprintf_filtered (stream, "(");
|
||
break;
|
||
|
||
case TYPE_CODE_UNDEF:
|
||
case TYPE_CODE_STRUCT:
|
||
case TYPE_CODE_UNION:
|
||
case TYPE_CODE_ENUM:
|
||
case TYPE_CODE_INT:
|
||
case TYPE_CODE_FLT:
|
||
case TYPE_CODE_VOID:
|
||
case TYPE_CODE_ERROR:
|
||
case TYPE_CODE_CHAR:
|
||
case TYPE_CODE_BOOL:
|
||
case TYPE_CODE_SET:
|
||
case TYPE_CODE_RANGE:
|
||
case TYPE_CODE_STRING:
|
||
case TYPE_CODE_BITSTRING:
|
||
case TYPE_CODE_COMPLEX:
|
||
case TYPE_CODE_TYPEDEF:
|
||
/* These types need no prefix. They are listed here so that
|
||
gcc -Wall will reveal any types that haven't been handled. */
|
||
break;
|
||
}
|
||
}
|
||
|
||
/* Print out "const" and "volatile" attributes.
|
||
TYPE is a pointer to the type being printed out.
|
||
STREAM is the output destination.
|
||
NEED_SPACE = 1 indicates an initial white space is needed */
|
||
|
||
static void
|
||
c_type_print_cv_qualifier (type, stream, need_pre_space, need_post_space)
|
||
struct type *type;
|
||
GDB_FILE *stream;
|
||
int need_pre_space;
|
||
int need_post_space;
|
||
{
|
||
int flag = 0;
|
||
|
||
if (TYPE_CONST (type))
|
||
{
|
||
if (need_pre_space)
|
||
fprintf_filtered (stream, " ");
|
||
fprintf_filtered (stream, "const");
|
||
flag = 1;
|
||
}
|
||
|
||
if (TYPE_VOLATILE (type))
|
||
{
|
||
if (flag || need_pre_space)
|
||
fprintf_filtered (stream, " ");
|
||
fprintf_filtered (stream, "volatile");
|
||
flag = 1;
|
||
}
|
||
|
||
if (flag && need_post_space)
|
||
fprintf_filtered (stream, " ");
|
||
}
|
||
|
||
|
||
|
||
|
||
static void
|
||
c_type_print_args (type, stream)
|
||
struct type *type;
|
||
GDB_FILE *stream;
|
||
{
|
||
int i;
|
||
struct type **args;
|
||
|
||
fprintf_filtered (stream, "(");
|
||
args = TYPE_ARG_TYPES (type);
|
||
if (args != NULL)
|
||
{
|
||
if (args[1] == NULL)
|
||
{
|
||
fprintf_filtered (stream, "...");
|
||
}
|
||
else if ((args[1]->code == TYPE_CODE_VOID) &&
|
||
(current_language->la_language == language_cplus))
|
||
{
|
||
fprintf_filtered (stream, "void");
|
||
}
|
||
else
|
||
{
|
||
for (i = 1;
|
||
args[i] != NULL && args[i]->code != TYPE_CODE_VOID;
|
||
i++)
|
||
{
|
||
c_print_type (args[i], "", stream, -1, 0);
|
||
if (args[i+1] == NULL)
|
||
{
|
||
fprintf_filtered (stream, "...");
|
||
}
|
||
else if (args[i+1]->code != TYPE_CODE_VOID)
|
||
{
|
||
fprintf_filtered (stream, ",");
|
||
wrap_here (" ");
|
||
}
|
||
}
|
||
}
|
||
}
|
||
else if (current_language->la_language == language_cplus)
|
||
{
|
||
fprintf_filtered (stream, "void");
|
||
}
|
||
|
||
fprintf_filtered (stream, ")");
|
||
}
|
||
|
||
/* Print any array sizes, function arguments or close parentheses
|
||
needed after the variable name (to describe its type).
|
||
Args work like c_type_print_varspec_prefix. */
|
||
|
||
void
|
||
c_type_print_varspec_suffix (type, stream, show, passed_a_ptr, demangled_args)
|
||
struct type *type;
|
||
GDB_FILE *stream;
|
||
int show;
|
||
int passed_a_ptr;
|
||
int demangled_args;
|
||
{
|
||
if (type == 0)
|
||
return;
|
||
|
||
if (TYPE_NAME (type) && show <= 0)
|
||
return;
|
||
|
||
QUIT;
|
||
|
||
switch (TYPE_CODE (type))
|
||
{
|
||
case TYPE_CODE_ARRAY:
|
||
if (passed_a_ptr)
|
||
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)
|
||
fprintf_filtered (stream, "%d",
|
||
(TYPE_LENGTH (type)
|
||
/ TYPE_LENGTH (TYPE_TARGET_TYPE (type))));
|
||
fprintf_filtered (stream, "]");
|
||
|
||
c_type_print_varspec_suffix (TYPE_TARGET_TYPE (type), stream, 0, 0, 0);
|
||
break;
|
||
|
||
case TYPE_CODE_MEMBER:
|
||
if (passed_a_ptr)
|
||
fprintf_filtered (stream, ")");
|
||
c_type_print_varspec_suffix (TYPE_TARGET_TYPE (type), stream, 0, 0, 0);
|
||
break;
|
||
|
||
case TYPE_CODE_METHOD:
|
||
if (passed_a_ptr)
|
||
fprintf_filtered (stream, ")");
|
||
c_type_print_varspec_suffix (TYPE_TARGET_TYPE (type), stream, 0, 0, 0);
|
||
if (passed_a_ptr)
|
||
{
|
||
c_type_print_args (type, stream);
|
||
}
|
||
break;
|
||
|
||
case TYPE_CODE_PTR:
|
||
case TYPE_CODE_REF:
|
||
c_type_print_varspec_suffix (TYPE_TARGET_TYPE (type), stream, 0, 1, 0);
|
||
break;
|
||
|
||
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) && (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_varspec_suffix (TYPE_TARGET_TYPE (type), stream, 0,
|
||
passed_a_ptr, 0);
|
||
break;
|
||
|
||
case TYPE_CODE_UNDEF:
|
||
case TYPE_CODE_STRUCT:
|
||
case TYPE_CODE_UNION:
|
||
case TYPE_CODE_ENUM:
|
||
case TYPE_CODE_INT:
|
||
case TYPE_CODE_FLT:
|
||
case TYPE_CODE_VOID:
|
||
case TYPE_CODE_ERROR:
|
||
case TYPE_CODE_CHAR:
|
||
case TYPE_CODE_BOOL:
|
||
case TYPE_CODE_SET:
|
||
case TYPE_CODE_RANGE:
|
||
case TYPE_CODE_STRING:
|
||
case TYPE_CODE_BITSTRING:
|
||
case TYPE_CODE_COMPLEX:
|
||
case TYPE_CODE_TYPEDEF:
|
||
/* These types do not need a suffix. They are listed so that
|
||
gcc -Wall will report types that may not have been considered. */
|
||
break;
|
||
}
|
||
}
|
||
|
||
/* Print the name of the type (or the ultimate pointer target,
|
||
function value or array element), or the description of a
|
||
structure or union.
|
||
|
||
SHOW positive means print details about the type (e.g. enum values),
|
||
and print structure elements passing SHOW - 1 for show.
|
||
SHOW negative means just print the type name or struct tag if there is one.
|
||
If there is no name, print something sensible but concise like
|
||
"struct {...}".
|
||
SHOW zero means just print the type name or struct tag if there is one.
|
||
If there is no name, print something sensible but not as concise like
|
||
"struct {int x; int y;}".
|
||
|
||
LEVEL is the number of spaces to indent by.
|
||
We increase it for some recursive calls. */
|
||
|
||
void
|
||
c_type_print_base (type, stream, show, level)
|
||
struct type *type;
|
||
GDB_FILE *stream;
|
||
int show;
|
||
int level;
|
||
{
|
||
register int i;
|
||
register int len;
|
||
register int lastval;
|
||
char *mangled_name;
|
||
char *demangled_name;
|
||
char *demangled_no_static;
|
||
enum {s_none, s_public, s_private, s_protected} section_type;
|
||
int need_access_label = 0;
|
||
int j, len2;
|
||
|
||
QUIT;
|
||
|
||
wrap_here (" ");
|
||
if (type == NULL)
|
||
{
|
||
fputs_filtered ("<type unknown>", stream);
|
||
return;
|
||
}
|
||
|
||
/* When SHOW is zero or less, and there is a valid type name, then always
|
||
just print the type name directly from the type. */
|
||
/* If we have "typedef struct foo {. . .} bar;" do we want to print it
|
||
as "struct foo" or as "bar"? Pick the latter, because C++ folk tend
|
||
to expect things like "class5 *foo" rather than "struct class5 *foo". */
|
||
|
||
if (show <= 0
|
||
&& TYPE_NAME (type) != NULL)
|
||
{
|
||
c_type_print_cv_qualifier (type, stream, 0, 1);
|
||
fputs_filtered (TYPE_NAME (type), stream);
|
||
return;
|
||
}
|
||
|
||
CHECK_TYPEDEF (type);
|
||
|
||
switch (TYPE_CODE (type))
|
||
{
|
||
case TYPE_CODE_TYPEDEF:
|
||
case TYPE_CODE_ARRAY:
|
||
case TYPE_CODE_PTR:
|
||
case TYPE_CODE_MEMBER:
|
||
case TYPE_CODE_REF:
|
||
case TYPE_CODE_FUNC:
|
||
case TYPE_CODE_METHOD:
|
||
c_type_print_base (TYPE_TARGET_TYPE (type), stream, show, level);
|
||
break;
|
||
|
||
case TYPE_CODE_STRUCT:
|
||
c_type_print_cv_qualifier (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 */
|
||
} else {
|
||
/* If not CPLUS_STRUCT, then assume it's a C struct */
|
||
fprintf_filtered (stream, "struct ");
|
||
}
|
||
goto struct_union;
|
||
|
||
case TYPE_CODE_UNION:
|
||
c_type_print_cv_qualifier (type, stream, 0, 1);
|
||
fprintf_filtered (stream, "union ");
|
||
|
||
struct_union:
|
||
|
||
/* Print the tag if it exists.
|
||
* The HP 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))
|
||
{
|
||
fputs_filtered (TYPE_TAG_NAME (type), stream);
|
||
if (show > 0)
|
||
fputs_filtered (" ", stream);
|
||
}
|
||
wrap_here (" ");
|
||
if (show < 0)
|
||
{
|
||
/* If we just printed a tag name, no need to print anything else. */
|
||
if (TYPE_TAG_NAME (type) == NULL)
|
||
fprintf_filtered (stream, "{...}");
|
||
}
|
||
else if (show > 0 || TYPE_TAG_NAME (type) == NULL)
|
||
{
|
||
cp_type_print_derivation_info (stream, type);
|
||
|
||
fprintf_filtered (stream, "{\n");
|
||
if ((TYPE_NFIELDS (type) == 0) && (TYPE_NFN_FIELDS (type) == 0))
|
||
{
|
||
if (TYPE_FLAGS (type) & TYPE_FLAG_STUB)
|
||
fprintfi_filtered (level + 4, stream, "<incomplete type>\n");
|
||
else
|
||
fprintfi_filtered (level + 4, stream, "<no data fields>\n");
|
||
}
|
||
|
||
/* Start off with no specific section type, so we can print
|
||
one for the first field we find, and use that section type
|
||
thereafter until we find another type. */
|
||
|
||
section_type = s_none;
|
||
|
||
/* For a class, if all members are private, there's no need
|
||
for a "private:" label; similarly, for a struct or union
|
||
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))
|
||
{
|
||
QUIT;
|
||
len = TYPE_NFIELDS (type);
|
||
for (i = TYPE_N_BASECLASSES (type); i < len; i++)
|
||
if (!TYPE_FIELD_PRIVATE (type, i))
|
||
{
|
||
need_access_label = 1;
|
||
break;
|
||
}
|
||
QUIT;
|
||
if (!need_access_label)
|
||
{
|
||
len2 = TYPE_NFN_FIELDS (type);
|
||
for (j = 0; j < len2; j++)
|
||
{
|
||
len = TYPE_FN_FIELDLIST_LENGTH (type, j);
|
||
for (i = 0; i < len; i++)
|
||
if (!TYPE_FN_FIELD_PRIVATE (TYPE_FN_FIELDLIST1 (type, j), i))
|
||
{
|
||
need_access_label = 1;
|
||
break;
|
||
}
|
||
if (need_access_label)
|
||
break;
|
||
}
|
||
}
|
||
}
|
||
else if ((TYPE_DECLARED_TYPE (type) == DECLARED_TYPE_STRUCT) ||
|
||
(TYPE_DECLARED_TYPE (type) == DECLARED_TYPE_UNION))
|
||
{
|
||
QUIT;
|
||
len = TYPE_NFIELDS (type);
|
||
for (i = TYPE_N_BASECLASSES (type); i < len; i++)
|
||
if (TYPE_FIELD_PRIVATE (type, i) || TYPE_FIELD_PROTECTED (type, i))
|
||
{
|
||
need_access_label = 1;
|
||
break;
|
||
}
|
||
QUIT;
|
||
if (!need_access_label)
|
||
{
|
||
len2 = TYPE_NFN_FIELDS (type);
|
||
for (j = 0; j < len2; j++)
|
||
{
|
||
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))
|
||
{
|
||
need_access_label = 1;
|
||
break;
|
||
}
|
||
if (need_access_label)
|
||
break;
|
||
}
|
||
}
|
||
}
|
||
|
||
/* If there is a base class for this type,
|
||
do not print the field that it occupies. */
|
||
|
||
len = TYPE_NFIELDS (type);
|
||
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) && (STREQN (TYPE_FIELD_NAME (type, i), "__vfp", 5)))
|
||
continue;
|
||
/* Other compilers */
|
||
/* pai:: FIXME : check for has_vtable < 0 */
|
||
if (STREQN (TYPE_FIELD_NAME (type, i), "_vptr", 5)
|
||
&& 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 (HAVE_CPLUS_STRUCT (type) && need_access_label)
|
||
{
|
||
if (TYPE_FIELD_PROTECTED (type, i))
|
||
{
|
||
if (section_type != s_protected)
|
||
{
|
||
section_type = s_protected;
|
||
fprintfi_filtered (level + 2, stream,
|
||
"protected:\n");
|
||
}
|
||
}
|
||
else if (TYPE_FIELD_PRIVATE (type, i))
|
||
{
|
||
if (section_type != s_private)
|
||
{
|
||
section_type = s_private;
|
||
fprintfi_filtered (level + 2, stream, "private:\n");
|
||
}
|
||
}
|
||
else
|
||
{
|
||
if (section_type != s_public)
|
||
{
|
||
section_type = s_public;
|
||
fprintfi_filtered (level + 2, stream, "public:\n");
|
||
}
|
||
}
|
||
}
|
||
|
||
print_spaces_filtered (level + 4, stream);
|
||
if (TYPE_FIELD_STATIC (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)
|
||
&& TYPE_FIELD_PACKED (type, i))
|
||
{
|
||
/* It is a bitfield. This code does not attempt
|
||
to look at the bitpos and reconstruct filler,
|
||
unnamed fields. This would lead to misleading
|
||
results if the compiler does not put out fields
|
||
for such things (I don't know what it does). */
|
||
fprintf_filtered (stream, " : %d",
|
||
TYPE_FIELD_BITSIZE (type, i));
|
||
}
|
||
fprintf_filtered (stream, ";\n");
|
||
}
|
||
|
||
/* If there are both fields and methods, put a space between. */
|
||
len = TYPE_NFN_FIELDS (type);
|
||
if (len && section_type != s_none)
|
||
fprintf_filtered (stream, "\n");
|
||
|
||
/* C++: print out the methods */
|
||
for (i = 0; i < len; i++)
|
||
{
|
||
struct fn_field *f = TYPE_FN_FIELDLIST1 (type, i);
|
||
int j, len2 = TYPE_FN_FIELDLIST_LENGTH (type, i);
|
||
char *method_name = TYPE_FN_FIELDLIST_NAME (type, i);
|
||
char *name = type_name_no_tag (type);
|
||
int is_constructor = name && STREQ(method_name, name);
|
||
for (j = 0; j < len2; j++)
|
||
{
|
||
char *physname = TYPE_FN_FIELD_PHYSNAME (f, j);
|
||
int is_full_physname_constructor =
|
||
((physname[0] == '_' && physname[1] == '_'
|
||
&& strchr ("0123456789Qt", physname[2]))
|
||
|| STREQN (physname, "__ct__", 6)
|
||
|| DESTRUCTOR_PREFIX_P (physname)
|
||
|| STREQN (physname, "__dt__", 6));
|
||
|
||
QUIT;
|
||
if (TYPE_FN_FIELD_PROTECTED (f, j))
|
||
{
|
||
if (section_type != s_protected)
|
||
{
|
||
section_type = s_protected;
|
||
fprintfi_filtered (level + 2, stream,
|
||
"protected:\n");
|
||
}
|
||
}
|
||
else if (TYPE_FN_FIELD_PRIVATE (f, j))
|
||
{
|
||
if (section_type != s_private)
|
||
{
|
||
section_type = s_private;
|
||
fprintfi_filtered (level + 2, stream, "private:\n");
|
||
}
|
||
}
|
||
else
|
||
{
|
||
if (section_type != s_public)
|
||
{
|
||
section_type = s_public;
|
||
fprintfi_filtered (level + 2, stream, "public:\n");
|
||
}
|
||
}
|
||
|
||
print_spaces_filtered (level + 4, stream);
|
||
if (TYPE_FN_FIELD_VIRTUAL_P (f, j))
|
||
fprintf_filtered (stream, "virtual ");
|
||
else if (TYPE_FN_FIELD_STATIC_P (f, j))
|
||
fprintf_filtered (stream, "static ");
|
||
if (TYPE_TARGET_TYPE (TYPE_FN_FIELD_TYPE (f, j)) == 0)
|
||
{
|
||
/* Keep GDB from crashing here. */
|
||
fprintf_filtered (stream, "<undefined type> %s;\n",
|
||
TYPE_FN_FIELD_PHYSNAME (f, j));
|
||
break;
|
||
}
|
||
else if (!is_constructor && /* constructors don't have declared types */
|
||
!is_full_physname_constructor && /* " " */
|
||
!strstr (method_name, "operator ")) /* Not a type conversion operator */
|
||
/* (note space -- other operators don't have it) */
|
||
{
|
||
type_print (TYPE_TARGET_TYPE (TYPE_FN_FIELD_TYPE (f, j)),
|
||
"", stream, -1);
|
||
fputs_filtered (" ", stream);
|
||
}
|
||
if (TYPE_FN_FIELD_STUB (f, j))
|
||
/* Build something we can demangle. */
|
||
mangled_name = gdb_mangle_name (type, i, j);
|
||
else
|
||
mangled_name = TYPE_FN_FIELD_PHYSNAME (f, j);
|
||
|
||
demangled_name =
|
||
cplus_demangle (mangled_name,
|
||
DMGL_ANSI | DMGL_PARAMS);
|
||
if (demangled_name == NULL)
|
||
{
|
||
/* in some cases (for instance with the HP demangling),
|
||
if a function has more than 10 arguments,
|
||
the demangling will fail.
|
||
Let's try to reconstruct the function signature from
|
||
the symbol information */
|
||
if (!TYPE_FN_FIELD_STUB (f, j))
|
||
cp_type_print_method_args (TYPE_FN_FIELD_ARGS (f, j), "",
|
||
method_name,
|
||
TYPE_FN_FIELD_STATIC_P (f, j),
|
||
stream);
|
||
else
|
||
fprintf_filtered (stream, "<badly mangled name '%s'>",
|
||
mangled_name);
|
||
}
|
||
else
|
||
{
|
||
char *p;
|
||
char *demangled_no_class = demangled_name;
|
||
|
||
while ((p = strchr (demangled_no_class, ':')))
|
||
{
|
||
demangled_no_class = p;
|
||
if (*++demangled_no_class == ':')
|
||
++demangled_no_class;
|
||
}
|
||
/* get rid of the static word appended by the demangler */
|
||
p = strstr (demangled_no_class, " static");
|
||
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';
|
||
fputs_filtered (demangled_no_static, stream);
|
||
free (demangled_no_static);
|
||
}
|
||
else
|
||
fputs_filtered (demangled_no_class, stream);
|
||
free (demangled_name);
|
||
}
|
||
|
||
if (TYPE_FN_FIELD_STUB (f, j))
|
||
free (mangled_name);
|
||
|
||
fprintf_filtered (stream, ";\n");
|
||
}
|
||
}
|
||
|
||
if (TYPE_LOCALTYPE_PTR (type) && show >= 0)
|
||
fprintfi_filtered (level, stream, " (Local at %s:%d)\n",
|
||
TYPE_LOCALTYPE_FILE (type),
|
||
TYPE_LOCALTYPE_LINE (type));
|
||
|
||
fprintfi_filtered (level, stream, "}");
|
||
}
|
||
if (TYPE_CODE(type) == TYPE_CODE_TEMPLATE)
|
||
goto go_back;
|
||
break;
|
||
|
||
case TYPE_CODE_ENUM:
|
||
c_type_print_cv_qualifier (type, stream, 0, 1);
|
||
/* HP C supports sized enums */
|
||
if (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))
|
||
{
|
||
fputs_filtered (TYPE_TAG_NAME (type), stream);
|
||
if (show > 0)
|
||
fputs_filtered (" ", stream);
|
||
}
|
||
|
||
wrap_here (" ");
|
||
if (show < 0)
|
||
{
|
||
/* If we just printed a tag name, no need to print anything else. */
|
||
if (TYPE_TAG_NAME (type) == NULL)
|
||
fprintf_filtered (stream, "{...}");
|
||
}
|
||
else if (show > 0 || TYPE_TAG_NAME (type) == NULL)
|
||
{
|
||
fprintf_filtered (stream, "{");
|
||
len = TYPE_NFIELDS (type);
|
||
lastval = 0;
|
||
for (i = 0; i < len; i++)
|
||
{
|
||
QUIT;
|
||
if (i) fprintf_filtered (stream, ", ");
|
||
wrap_here (" ");
|
||
fputs_filtered (TYPE_FIELD_NAME (type, i), stream);
|
||
if (lastval != TYPE_FIELD_BITPOS (type, i))
|
||
{
|
||
fprintf_filtered (stream, " = %d", TYPE_FIELD_BITPOS (type, i));
|
||
lastval = TYPE_FIELD_BITPOS (type, i);
|
||
}
|
||
lastval++;
|
||
}
|
||
fprintf_filtered (stream, "}");
|
||
}
|
||
break;
|
||
|
||
case TYPE_CODE_VOID:
|
||
fprintf_filtered (stream, "void");
|
||
break;
|
||
|
||
case TYPE_CODE_UNDEF:
|
||
fprintf_filtered (stream, "struct <unknown>");
|
||
break;
|
||
|
||
case TYPE_CODE_ERROR:
|
||
fprintf_filtered (stream, "<unknown type>");
|
||
break;
|
||
|
||
case TYPE_CODE_RANGE:
|
||
/* This should not occur */
|
||
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_cv_qualifier (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;
|
||
|
||
default:
|
||
/* Handle types not explicitly handled by the other cases,
|
||
such as fundamental types. For these, just print whatever
|
||
the type name is, as recorded in the type itself. If there
|
||
is no type name, then complain. */
|
||
if (TYPE_NAME (type) != NULL)
|
||
{
|
||
c_type_print_cv_qualifier (type, stream, 0, 1);
|
||
fputs_filtered (TYPE_NAME (type), stream);
|
||
}
|
||
else
|
||
{
|
||
/* At least for dump_symtab, it is important that this not be
|
||
an error (). */
|
||
fprintf_filtered (stream, "<invalid type code %d>",
|
||
TYPE_CODE (type));
|
||
}
|
||
break;
|
||
}
|
||
}
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|