379 lines
11 KiB
C
379 lines
11 KiB
C
/* Support for printing Fortran types for GDB, the GNU debugger.
|
||
|
||
Copyright (C) 1986-2015 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 3 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, see <http://www.gnu.org/licenses/>. */
|
||
|
||
#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"
|
||
|
||
#if 0 /* Currently unused. */
|
||
static void f_type_print_args (struct type *, struct ui_file *);
|
||
#endif
|
||
|
||
static void f_type_print_varspec_suffix (struct type *, struct ui_file *, int,
|
||
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, const char *varstring, struct ui_file *stream,
|
||
int show, int level, const struct type_print_options *flags)
|
||
{
|
||
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);
|
||
|
||
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 = varstring[strlen (varstring) - 1] == ')';
|
||
f_type_print_varspec_suffix (type, stream, show, 0, demangled_args, 0);
|
||
}
|
||
}
|
||
|
||
/* 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_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 arrayprint_recurse_level)
|
||
{
|
||
int upper_bound, lower_bound;
|
||
|
||
/* No static variables are permitted as an error call may occur during
|
||
execution of this function. */
|
||
|
||
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,
|
||
arrayprint_recurse_level);
|
||
|
||
lower_bound = f77_get_lowerbound (type);
|
||
if (lower_bound != 1) /* Not the default. */
|
||
fprintf_filtered (stream, "%d:", lower_bound);
|
||
|
||
/* 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_IS_UNDEFINED (type))
|
||
fprintf_filtered (stream, "*");
|
||
else
|
||
{
|
||
upper_bound = f77_get_upperbound (type);
|
||
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,
|
||
arrayprint_recurse_level);
|
||
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,
|
||
arrayprint_recurse_level);
|
||
fprintf_filtered (stream, ")");
|
||
break;
|
||
|
||
case TYPE_CODE_FUNC:
|
||
f_type_print_varspec_suffix (TYPE_TARGET_TYPE (type), stream, 0,
|
||
passed_a_ptr, 0, arrayprint_recurse_level);
|
||
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_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;
|
||
}
|
||
}
|
||
|
||
/* 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 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))
|
||
{
|
||
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, "%s", TYPE_ERROR_NAME (type));
|
||
break;
|
||
|
||
case TYPE_CODE_RANGE:
|
||
/* This should not occur. */
|
||
fprintfi_filtered (level, stream, "<range type>");
|
||
break;
|
||
|
||
case TYPE_CODE_CHAR:
|
||
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_STRING:
|
||
/* Strings may have dynamic upperbounds (lengths) like arrays. */
|
||
|
||
if (TYPE_ARRAY_UPPER_BOUND_IS_UNDEFINED (type))
|
||
fprintfi_filtered (level, stream, "character*(*)");
|
||
else
|
||
{
|
||
upper_bound = f77_get_upperbound (type);
|
||
fprintf_filtered (stream, "character*%d", upper_bound);
|
||
}
|
||
break;
|
||
|
||
case TYPE_CODE_STRUCT:
|
||
case TYPE_CODE_UNION:
|
||
if (TYPE_CODE (type) == TYPE_CODE_UNION)
|
||
fprintfi_filtered (level, stream, "Type, C_Union :: ");
|
||
else
|
||
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_type_print_base (TYPE_FIELD_TYPE (type, index), stream, show,
|
||
level + 4);
|
||
fputs_filtered (" :: ", stream);
|
||
fputs_filtered (TYPE_FIELD_NAME (type, index), stream);
|
||
f_type_print_varspec_suffix (TYPE_FIELD_TYPE (type, index),
|
||
stream, 0, 0, 0, 0);
|
||
fputs_filtered ("\n", stream);
|
||
}
|
||
fprintfi_filtered (level, stream, "End Type ");
|
||
fputs_filtered (TYPE_TAG_NAME (type), stream);
|
||
break;
|
||
|
||
case TYPE_CODE_MODULE:
|
||
fprintfi_filtered (level, stream, "module %s", TYPE_TAG_NAME (type));
|
||
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;
|
||
}
|
||
}
|