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/* Support for printing Chill values for GDB, the GNU debugger.
Copyright 1986, 1988, 1989, 1991 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., 675 Mass Ave, Cambridge, MA 02139, USA. */
#include "defs.h"
#include "obstack.h"
#include "symtab.h"
#include "gdbtypes.h"
#include "valprint.h"
#include "expression.h"
#include "language.h"
/* Print data of type TYPE located at VALADDR (within GDB), which came from
the inferior at address ADDRESS, onto stdio stream STREAM according to
FORMAT (a letter or 0 for natural format). The data at VALADDR is in
target byte order.
If the data are a string pointer, returns the number of string characters
printed.
If DEREF_REF is nonzero, then dereference references, otherwise just print
them like pointers.
The PRETTY parameter controls prettyprinting. */
int
chill_val_print (type, valaddr, address, stream, format, deref_ref, recurse,
pretty)
struct type *type;
char *valaddr;
CORE_ADDR address;
FILE *stream;
int format;
int deref_ref;
int recurse;
enum val_prettyprint pretty;
{
unsigned len;
struct type *elttype;
unsigned eltlen;
LONGEST val;
switch (TYPE_CODE (type))
{
case TYPE_CODE_ARRAY:
if (TYPE_LENGTH (type) > 0 && TYPE_LENGTH (TYPE_TARGET_TYPE (type)) > 0)
{
elttype = TYPE_TARGET_TYPE (type);
eltlen = TYPE_LENGTH (elttype);
len = TYPE_LENGTH (type) / eltlen;
if (prettyprint_arrays)
{
print_spaces_filtered (2 + 2 * recurse, stream);
}
fprintf_filtered (stream, "[");
/* For an array of chars, print with string syntax. */
if (eltlen == 1 && TYPE_CODE (elttype) == TYPE_CODE_INT
&& (format == 0 || format == 's') )
{
LA_PRINT_STRING (stream, valaddr, len, 0);
}
else
{
val_print_array_elements (type, valaddr, address, stream,
format, deref_ref, recurse, pretty, 0);
}
fprintf_filtered (stream, "]");
}
else
{
error ("unimplemented in chill_val_print; unspecified array length");
}
break;
case TYPE_CODE_INT:
format = format ? format : output_format;
if (format)
{
print_scalar_formatted (valaddr, type, format, 0, stream);
}
else
{
val_print_type_code_int (type, valaddr, stream);
}
break;
case TYPE_CODE_CHAR:
format = format ? format : output_format;
if (format)
{
print_scalar_formatted (valaddr, type, format, 0, stream);
}
else
{
LA_PRINT_CHAR ((unsigned char) unpack_long (type, valaddr),
stream);
}
break;
case TYPE_CODE_FLT:
if (format)
{
print_scalar_formatted (valaddr, type, format, 0, stream);
}
else
{
print_floating (valaddr, type, stream);
}
break;
case TYPE_CODE_BOOL:
format = format ? format : output_format;
if (format)
{
print_scalar_formatted (valaddr, type, format, 0, stream);
}
else
{
val = unpack_long (builtin_type_chill_bool, valaddr);
fprintf_filtered (stream, val ? "TRUE" : "FALSE");
}
break;
case TYPE_CODE_UNDEF:
/* This happens (without TYPE_FLAG_STUB set) on systems which don't use
dbx xrefs (NO_DBX_XREFS in gcc) if a file has a "struct foo *bar"
and no complete type for struct foo in that file. */
fprintf_filtered (stream, "<incomplete type>");
break;
case TYPE_CODE_PTR:
case TYPE_CODE_MEMBER:
case TYPE_CODE_REF:
case TYPE_CODE_UNION:
case TYPE_CODE_STRUCT:
case TYPE_CODE_ENUM:
case TYPE_CODE_FUNC:
case TYPE_CODE_VOID:
case TYPE_CODE_ERROR:
case TYPE_CODE_RANGE:
error ("Unimplemented chill_val_print support for type %d",
TYPE_CODE (type));
break;
default:
error ("Invalid Chill type code %d in symbol table.", TYPE_CODE (type));
}
fflush (stream);
return (0);
}
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