old-cross-binutils/gdb/f-typeprint.c
Daniel Jacobowitz 0d5de0100f * NEWS: Mention pointer to member improvements.
* Makefile.in (gnu-v3-abi.o): Delete special rule.
	(eval.o, gnu-v3-abi.o, ia64-tdep.o): Update.
	* ada-valprint.c (ada_print_scalar): Update for new type codes.
	* c-typeprint.c (c_print_type): Update for new type codes.
	(c_type_print_varspec_prefix, c_type_print_varspec_suffix)
	(c_type_print_base): Likewise.
	(c_type_print_args): Rewrite.
	* c-valprint.c (c_val_print): Update for new type codes.  Remove
	support for references to members.  Treat methods like functions.
	* cp-abi.c (cplus_print_method_ptr, cplus_method_ptr_size)
	(cplus_make_method_ptr, cplus_method_ptr_to_value): New.
	* cp-abi.h (cplus_print_method_ptr, cplus_method_ptr_size)
	(cplus_make_method_ptr, cplus_method_ptr_to_value): New prototypes.
	(struct cp_abi_ops): Add corresponding members.
	* cp-valprint.c (cp_print_class_method): Delete.
	(cp_find_class_member): New function.
	(cp_print_class_member): Use it.  Simplify support for bogus
	member pointers.
	* dwarf2read.c (quirk_gcc_member_function_pointer): Use
	lookup_methodptr_type.
	(read_tag_ptr_to_member_type): Likewise, and lookup_memberptr_type.
	* eval.c (evaluate_subexp_standard): Implement EVAL_SKIP for
	OP_SCOPE.  Update call to value_aggregate_elt.  Rewrite member
	pointer support.
	(evaluate_subexp_for_address): Handle OP_SCOPE explicitly.  Handle
	references returned by user defined operators.
	* f-typeprint.c (f_print_type, f_type_print_varspec_prefix)
	(f_type_print_varspec_suffix): Remove support for member pointers.
	* gdbtypes.c (lookup_memberptr_type): Renamed from lookup_member_type
	and adjusted.
	(smash_to_memberptr_type): Likewise, from smash_to_member_type.
	(lookup_methodptr_type): New.
	(rank_one_type): Adjust for TYPE_CODE_MEMBERPTR.
	(recursive_dump_type): Update for new types.
	* gdbtypes.h (enum type_code): Replace TYPE_CODE_MEMBER with
	TYPE_CODE_MEMBERPTR and TYPE_CODE_METHODPTR.
	(lookup_memberptr_type, lookup_methodptr_type)
	(smash_to_memberptr_type): New prototypes.
	(smash_to_method_type): Formatting fix.
	(lookup_member_type, smash_to_member_type): Delete prototypes.
	* gnu-v3-abi.c (gnuv3_get_vtable, gnuv3_get_virtual_fn): New.
	Do not rely on debug information for the vptr or the method's
	enclosing type.  Handle function descriptors for IA64.
	(gnuv3_virtual_fn_field): Rewrite using the new functions.
	(gnuv3_find_method_in, gnuv3_print_method_ptr)
	(gnuv3_method_ptr_size, gnuv3_make_method_ptr)
	(gnuv3_method_ptr_to_value): New.
	(init_gnuv3_ops): Set new members of gnu_v3_abi_ops.
	* hpread.c (hpread_type_lookup): Update for new types.
	* infcall.c (value_arg_coerce): Likewise.
	* m2-typeprint.c (m2_print_type): Remove explicit support
	for member pointers.
	* m2-valprint.c (m2_val_print): Likewise.
	* p-typeprint.c (pascal_type_print_varspec_prefix)
	(pascal_type_print_varspec_suffix, pascal_type_print_base): Likewise.
	* p-valprint.c (pascal_val_print): Likewise.
	(pascal_object_print_class_method, pascal_object_print_class_member):
	Delete.
	* p-lang.h (pascal_object_print_class_method)
	(pascal_object_print_class_member): Delete prototypes.
	* stabsread.c (read_type): Update for new types.
	* typeprint.c (print_type_scalar): Likewise.
	* valops.c (value_struct_elt_for_reference, value_namespace_elt)
	(value_maybe_namespace_elt, value_aggregate_elt): Add want_address
	argument.  Construct a pointer to member if the address of a
	function or data member is requested.
	(value_cast_pointers): Don't modify the input value.
	(value_cast): Adjust pointer to member handling for new types.
	Allow null pointer to member constants.  Don't modify the input
	value.
	(value_ind): Remove pointer to member check.  Handle function
	descriptors for function pointers.
	(value_struct_elt, value_find_oload_method_list, check_field):
	Remove pointer to member checks.
	* value.c (unpack_long): Allow pointers to data members.
	(value_from_longest): Allow member pointers.
	* value.h (value_aggregate_elt): Add want_address.
	* varobj.c (c_variable_editable): Remove check for members.
	* gdbarch.sh: Add vtable_function_descriptors and vbit_in_delta.
	* ia64-tdep.c (ia64_convert_from_func_ptr_addr): Handle descriptors
	in virtual tables.
	(ia64_gdbarch_init): Call set_gdbarch_vtable_function_descriptors.
	* c-lang.h (cp_print_class_method): Delete prototype.
	* arm-tdep.c (arm_gdbarch_init): Call set_gdbarch_vbit_in_delta.
	* mips-tdep.c (mips_gdbarch_init): Likewise.
	* gdbarch.c, gdbarch.h: Regenerated.

	* gdb.cp/classes.exp (test_pointers_to_class_members): Update expected
	output.  Test the types of members and member pointers.
	* gdb.cp/inherit.exp (test_print_mi_member_types): Remove KFAILs for
	gdb/2092.
	* gdb.cp/member-ptr.exp: Search for a comment instead of a
	statement.  Enable for GCC.  Update expected output for some tests
	and add new tests.  Remove obsolete GCC KFAILs.  Allow GCC's class
	layout.
	* gdb.cp/member-ptr.cc (Padding, Padding::vspacer, Base, Base::get_x)
	(Base::vget_base, Left, Left::vget, Right, Right::vget, Diamond)
	(Diamond::vget_base): New.
	(main): Add new tests.
	* gdb.cp/printmethod.exp: Update expected output for member functions.
	* gdb.cp/virtfunc.exp (test_virtual_calls): Add a KFAIL for
	print pEe->D::vg().
2007-01-03 18:05:45 +00:00

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/* Support for printing Fortran types for GDB, the GNU debugger.
Copyright (C) 1986, 1988, 1989, 1991, 1993, 1994, 1995, 1996, 1998,
2000, 2001, 2002, 2003, 2006 Free Software Foundation, Inc.
Contributed by Motorola. Adapted from the C version by Farooq Butt
(fmbutt@engage.sps.mot.com).
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., 51 Franklin Street, Fifth Floor,
Boston, MA 02110-1301, USA. */
#include "defs.h"
#include "gdb_obstack.h"
#include "bfd.h"
#include "symtab.h"
#include "gdbtypes.h"
#include "expression.h"
#include "value.h"
#include "gdbcore.h"
#include "target.h"
#include "f-lang.h"
#include "gdb_string.h"
#include <errno.h>
#if 0 /* Currently unused */
static void f_type_print_args (struct type *, struct ui_file *);
#endif
static void print_equivalent_f77_float_type (int level, struct type *,
struct ui_file *);
static void f_type_print_varspec_suffix (struct type *, struct ui_file *,
int, int, int);
void f_type_print_varspec_prefix (struct type *, struct ui_file *,
int, int);
void f_type_print_base (struct type *, struct ui_file *, int, int);
/* LEVEL is the depth to indent lines by. */
void
f_print_type (struct type *type, char *varstring, struct ui_file *stream,
int show, int level)
{
enum type_code code;
int demangled_args;
f_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_REF)))
fputs_filtered (" ", stream);
f_type_print_varspec_prefix (type, stream, show, 0);
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 = varstring[strlen (varstring) - 1] == ')';
f_type_print_varspec_suffix (type, stream, show, 0, demangled_args);
}
/* 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
f_type_print_varspec_prefix (struct type *type, struct ui_file *stream,
int show, int passed_a_ptr)
{
if (type == 0)
return;
if (TYPE_NAME (type) && show <= 0)
return;
QUIT;
switch (TYPE_CODE (type))
{
case TYPE_CODE_PTR:
f_type_print_varspec_prefix (TYPE_TARGET_TYPE (type), stream, 0, 1);
break;
case TYPE_CODE_FUNC:
f_type_print_varspec_prefix (TYPE_TARGET_TYPE (type), stream, 0, 0);
if (passed_a_ptr)
fprintf_filtered (stream, "(");
break;
case TYPE_CODE_ARRAY:
f_type_print_varspec_prefix (TYPE_TARGET_TYPE (type), stream, 0, 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_METHOD:
case TYPE_CODE_REF:
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 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. */
static void
f_type_print_varspec_suffix (struct type *type, struct ui_file *stream,
int show, int passed_a_ptr, int demangled_args)
{
int upper_bound, lower_bound;
int lower_bound_was_default = 0;
static int arrayprint_recurse_level = 0;
int retcode;
if (type == 0)
return;
if (TYPE_NAME (type) && show <= 0)
return;
QUIT;
switch (TYPE_CODE (type))
{
case TYPE_CODE_ARRAY:
arrayprint_recurse_level++;
if (arrayprint_recurse_level == 1)
fprintf_filtered (stream, "(");
if (TYPE_CODE (TYPE_TARGET_TYPE (type)) == TYPE_CODE_ARRAY)
f_type_print_varspec_suffix (TYPE_TARGET_TYPE (type), stream, 0, 0, 0);
retcode = f77_get_dynamic_lowerbound (type, &lower_bound);
lower_bound_was_default = 0;
if (retcode == BOUND_FETCH_ERROR)
fprintf_filtered (stream, "???");
else if (lower_bound == 1) /* The default */
lower_bound_was_default = 1;
else
fprintf_filtered (stream, "%d", lower_bound);
if (lower_bound_was_default)
lower_bound_was_default = 0;
else
fprintf_filtered (stream, ":");
/* Make sure that, if we have an assumed size array, we
print out a warning and print the upperbound as '*' */
if (TYPE_ARRAY_UPPER_BOUND_TYPE (type) == BOUND_CANNOT_BE_DETERMINED)
fprintf_filtered (stream, "*");
else
{
retcode = f77_get_dynamic_upperbound (type, &upper_bound);
if (retcode == BOUND_FETCH_ERROR)
fprintf_filtered (stream, "???");
else
fprintf_filtered (stream, "%d", upper_bound);
}
if (TYPE_CODE (TYPE_TARGET_TYPE (type)) != TYPE_CODE_ARRAY)
f_type_print_varspec_suffix (TYPE_TARGET_TYPE (type), stream, 0, 0, 0);
if (arrayprint_recurse_level == 1)
fprintf_filtered (stream, ")");
else
fprintf_filtered (stream, ",");
arrayprint_recurse_level--;
break;
case TYPE_CODE_PTR:
case TYPE_CODE_REF:
f_type_print_varspec_suffix (TYPE_TARGET_TYPE (type), stream, 0, 1, 0);
fprintf_filtered (stream, ")");
break;
case TYPE_CODE_FUNC:
f_type_print_varspec_suffix (TYPE_TARGET_TYPE (type), stream, 0,
passed_a_ptr, 0);
if (passed_a_ptr)
fprintf_filtered (stream, ")");
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_METHOD:
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;
}
}
static void
print_equivalent_f77_float_type (int level, struct type *type,
struct ui_file *stream)
{
/* Override type name "float" and make it the
appropriate real. XLC stupidly outputs -12 as a type
for real when it really should be outputting -18 */
fprintfi_filtered (level, stream, "real*%d", TYPE_LENGTH (type));
}
/* 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 nonzero means don't print this type as just its name;
show its real definition even if it has a name.
SHOW zero means print just typename or struct tag if there is one
SHOW negative means abbreviate structure elements.
SHOW is decremented for printing of structure elements.
LEVEL is the depth to indent by.
We increase it for some recursive calls. */
void
f_type_print_base (struct type *type, struct ui_file *stream, int show,
int level)
{
int retcode;
int upper_bound;
int index;
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 ((show <= 0) && (TYPE_NAME (type) != NULL))
{
if (TYPE_CODE (type) == TYPE_CODE_FLT)
print_equivalent_f77_float_type (level, type, stream);
else
fputs_filtered (TYPE_NAME (type), stream);
return;
}
if (TYPE_CODE (type) != TYPE_CODE_TYPEDEF)
CHECK_TYPEDEF (type);
switch (TYPE_CODE (type))
{
case TYPE_CODE_TYPEDEF:
f_type_print_base (TYPE_TARGET_TYPE (type), stream, 0, level);
break;
case TYPE_CODE_ARRAY:
case TYPE_CODE_FUNC:
f_type_print_base (TYPE_TARGET_TYPE (type), stream, show, level);
break;
case TYPE_CODE_PTR:
fprintf_filtered (stream, "PTR TO -> ( ");
f_type_print_base (TYPE_TARGET_TYPE (type), stream, 0, level);
break;
case TYPE_CODE_REF:
fprintf_filtered (stream, "REF TO -> ( ");
f_type_print_base (TYPE_TARGET_TYPE (type), stream, 0, level);
break;
case TYPE_CODE_VOID:
fprintfi_filtered (level, stream, "VOID");
break;
case TYPE_CODE_UNDEF:
fprintfi_filtered (level, stream, "struct <unknown>");
break;
case TYPE_CODE_ERROR:
fprintfi_filtered (level, stream, "<unknown type>");
break;
case TYPE_CODE_RANGE:
/* This should not occur */
fprintfi_filtered (level, stream, "<range type>");
break;
case TYPE_CODE_CHAR:
/* Override name "char" and make it "character" */
fprintfi_filtered (level, stream, "character");
break;
case TYPE_CODE_INT:
/* There may be some character types that attempt to come
through as TYPE_CODE_INT since dbxstclass.h is so
C-oriented, we must change these to "character" from "char". */
if (strcmp (TYPE_NAME (type), "char") == 0)
fprintfi_filtered (level, stream, "character");
else
goto default_case;
break;
case TYPE_CODE_COMPLEX:
fprintfi_filtered (level, stream, "complex*%d", TYPE_LENGTH (type));
break;
case TYPE_CODE_FLT:
print_equivalent_f77_float_type (level, type, stream);
break;
case TYPE_CODE_STRING:
/* Strings may have dynamic upperbounds (lengths) like arrays. */
if (TYPE_ARRAY_UPPER_BOUND_TYPE (type) == BOUND_CANNOT_BE_DETERMINED)
fprintfi_filtered (level, stream, "character*(*)");
else
{
retcode = f77_get_dynamic_upperbound (type, &upper_bound);
if (retcode == BOUND_FETCH_ERROR)
fprintf_filtered (stream, "character*???");
else
fprintf_filtered (stream, "character*%d", upper_bound);
}
break;
case TYPE_CODE_STRUCT:
fprintfi_filtered (level, stream, "Type ");
fputs_filtered (TYPE_TAG_NAME (type), stream);
fputs_filtered ("\n", stream);
for (index = 0; index < TYPE_NFIELDS (type); index++)
{
f_print_type (TYPE_FIELD_TYPE (type, index), "", stream, show, level + 4);
fputs_filtered (" :: ", stream);
fputs_filtered (TYPE_FIELD_NAME (type, index), stream);
fputs_filtered ("\n", stream);
}
fprintfi_filtered (level, stream, "End Type ");
fputs_filtered (TYPE_TAG_NAME (type), stream);
break;
default_case:
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)
fprintfi_filtered (level, stream, "%s", TYPE_NAME (type));
else
error (_("Invalid type code (%d) in symbol table."), TYPE_CODE (type));
break;
}
}