[deliverable/binutils-gdb.git] / gdb / ch-typeprint.c

/* Support for printing Chill types 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 "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 "ch-lang.h"
#include "typeprint.h"

#include <string.h>
#include <errno.h>

static void
chill_type_print_base PARAMS ((struct type *, GDB_FILE *, int, int));

void
chill_print_type (type, varstring, stream, show, level)
     struct type *type;
     char *varstring;
     GDB_FILE *stream;
     int show;
     int level;
{
  if (varstring != NULL && *varstring != '\0')
    {
      fputs_filtered (varstring, stream);
      fputs_filtered (" ", stream);
    }
  chill_type_print_base (type, stream, show, level);
}

/* Print the name of the type (or the ultimate pointer target,
   function value or array element).

   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 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.  */

static void
chill_type_print_base (type, stream, show, level)
     struct type *type;
     GDB_FILE *stream;
     int show;
     int level;
{
  char *name;
  register int len;
  register int i;
  struct type *index_type;
  struct type *range_type;
  LONGEST low_bound;
  LONGEST high_bound;

  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;
    }

  check_stub_type (type);

  switch (TYPE_CODE (type))
    {
      case TYPE_CODE_PTR:
	if (TYPE_CODE (TYPE_TARGET_TYPE (type)) == TYPE_CODE_VOID)
	  {
	    fprintf_filtered (stream, "PTR");
	    break;
	  }
	fprintf_filtered (stream, "REF ");
	chill_type_print_base (TYPE_TARGET_TYPE (type), stream, show, level);
	break;

      case TYPE_CODE_ARRAY:
	range_type = TYPE_FIELD_TYPE (type, 0);
	index_type = TYPE_TARGET_TYPE (range_type);
	low_bound = TYPE_FIELD_BITPOS (range_type, 0);
	high_bound = TYPE_FIELD_BITPOS (range_type, 1);
        fputs_filtered ("ARRAY (", stream);
	print_type_scalar (index_type, low_bound, stream);
	fputs_filtered (":", stream);
	print_type_scalar (index_type, high_bound, stream);
	fputs_filtered (") ", stream);
	chill_print_type (TYPE_TARGET_TYPE (type), "", stream, show, level);
	break;

      case TYPE_CODE_STRING:
	range_type = TYPE_FIELD_TYPE (type, 0);
	index_type = TYPE_TARGET_TYPE (range_type);
	high_bound = TYPE_FIELD_BITPOS (range_type, 1);
        fputs_filtered ("CHAR (", stream);
	print_type_scalar (index_type, high_bound + 1, stream);
	fputs_filtered (")", stream);
	break;

      case TYPE_CODE_MEMBER:
	fprintf_filtered (stream, "MEMBER ");
        chill_type_print_base (TYPE_TARGET_TYPE (type), stream, show, level);
	break;
      case TYPE_CODE_REF:
	fprintf_filtered (stream, "/*LOC*/ ");
        chill_type_print_base (TYPE_TARGET_TYPE (type), stream, show, level);
	break;
      case TYPE_CODE_FUNC:
	fprintf_filtered (stream, "PROC (?)");
        chill_type_print_base (TYPE_TARGET_TYPE (type), stream, show, level);
	break;

      case TYPE_CODE_STRUCT:
	fprintf_filtered (stream, "STRUCT ");
	if ((name = type_name_no_tag (type)) != NULL)
	  {
	    fputs_filtered (name, stream);
	    fputs_filtered (" ", stream);
	    wrap_here ("    ");
	  }
	if (show < 0)
	  {
	    fprintf_filtered (stream, "(...)");
	  }
	else
	  {
	    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");
		  }
	      }
	    else
	      {
		len = TYPE_NFIELDS (type);
		for (i = TYPE_N_BASECLASSES (type); i < len; i++)
		  {
		    QUIT;
		    print_spaces_filtered (level + 4, stream);
		    chill_print_type (TYPE_FIELD_TYPE (type, i),
				      TYPE_FIELD_NAME (type, i),
				      stream, show - 1, level + 4);
		    if (i < (len - 1))
		      {
			fputs_filtered (",", stream);
		      }
		    fputs_filtered ("\n", stream);
		  }
	      }
	    fprintfi_filtered (level, stream, ")");
	  }
	break;

      case TYPE_CODE_VOID:
      case TYPE_CODE_UNDEF:
      case TYPE_CODE_ERROR:
      case TYPE_CODE_RANGE:
      case TYPE_CODE_ENUM:
      case TYPE_CODE_UNION:
      case TYPE_CODE_METHOD:
	error ("missing language support in chill_type_print_base");
	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)
	  {
	    fputs_filtered (TYPE_NAME (type), stream);
	  }
	else
	  {
	    error ("Unrecognized type code (%d) in symbol table.",
		   TYPE_CODE (type));
	  }
	break;
      }
}
Commit	Line	Data
a8a69e63 FF	1	/* Support for printing Chill types for GDB, the GNU debugger.
	2	Copyright 1986, 1988, 1989, 1991 Free Software Foundation, Inc.
	3
	4	This file is part of GDB.
	5
	6	This program is free software; you can redistribute it and/or modify
	7	it under the terms of the GNU General Public License as published by
	8	the Free Software Foundation; either version 2 of the License, or
	9	(at your option) any later version.
	10
	11	This program is distributed in the hope that it will be useful,
	12	but WITHOUT ANY WARRANTY; without even the implied warranty of
	13	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	14	GNU General Public License for more details.
	15
	16	You should have received a copy of the GNU General Public License
	17	along with this program; if not, write to the Free Software
	18	Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
	19
	20	#include "defs.h"
	21	#include "obstack.h"
	22	#include "bfd.h" /* Binary File Description */
	23	#include "symtab.h"
	24	#include "gdbtypes.h"
	25	#include "expression.h"
	26	#include "value.h"
	27	#include "gdbcore.h"
	28	#include "target.h"
	29	#include "command.h"
	30	#include "gdbcmd.h"
	31	#include "language.h"
	32	#include "demangle.h"
	33	#include "ch-lang.h"
100f92e2	34	#include "typeprint.h"
a8a69e63 FF	35
	36	#include <string.h>
	37	#include <errno.h>
	38
8fbdca53	39	static void
199b2450	40	chill_type_print_base PARAMS ((struct type , GDB_FILE , int, int));
a8a69e63 FF	41
	42	void
	43	chill_print_type (type, varstring, stream, show, level)
	44	struct type *type;
	45	char *varstring;
199b2450	46	GDB_FILE *stream;
a8a69e63 FF	47	int show;
	48	int level;
	49	{
a8a69e63 FF	50	if (varstring != NULL && *varstring != '\0')
	51	{
	52	fputs_filtered (varstring, stream);
	53	fputs_filtered (" ", stream);
	54	}
8a177da6	55	chill_type_print_base (type, stream, show, level);
a8a69e63 FF	56	}
	57
	58	/* Print the name of the type (or the ultimate pointer target,
	59	function value or array element).
	60
	61	SHOW nonzero means don't print this type as just its name;
	62	show its real definition even if it has a name.
	63	SHOW zero means print just typename or tag if there is one
	64	SHOW negative means abbreviate structure elements.
	65	SHOW is decremented for printing of structure elements.
	66
	67	LEVEL is the depth to indent by.
	68	We increase it for some recursive calls. */
	69
8fbdca53 FF	70	static void
8fbdca53 FF	71	chill_type_print_base (type, stream, show, level)
a8a69e63	72	struct type *type;
199b2450	73	GDB_FILE *stream;
a8a69e63 FF	74	int show;
	75	int level;
	76	{
8fbdca53 FF	77	char *name;
	78	register int len;
	79	register int i;
8a177da6 PB	80	struct type *index_type;
	81	struct type *range_type;
	82	LONGEST low_bound;
	83	LONGEST high_bound;
8fbdca53	84
a8a69e63 FF	85	QUIT;
	86
	87	wrap_here (" ");
	88	if (type == NULL)
	89	{
	90	fputs_filtered ("<type unknown>", stream);
	91	return;
	92	}
	93
	94	/* When SHOW is zero or less, and there is a valid type name, then always
	95	just print the type name directly from the type. */
	96
	97	if ((show <= 0) && (TYPE_NAME (type) != NULL))
	98	{
	99	fputs_filtered (TYPE_NAME (type), stream);
	100	return;
	101	}
	102
dda398c3 JK	103	check_stub_type (type);
dda398c3 JK	104
a8a69e63 FF	105	switch (TYPE_CODE (type))
a8a69e63 FF	106	{
a8a69e63	107	case TYPE_CODE_PTR:
8a177da6 PB	108	if (TYPE_CODE (TYPE_TARGET_TYPE (type)) == TYPE_CODE_VOID)
	109	{
	110	fprintf_filtered (stream, "PTR");
	111	break;
	112	}
	113	fprintf_filtered (stream, "REF ");
	114	chill_type_print_base (TYPE_TARGET_TYPE (type), stream, show, level);
	115	break;
	116
	117	case TYPE_CODE_ARRAY:
	118	range_type = TYPE_FIELD_TYPE (type, 0);
	119	index_type = TYPE_TARGET_TYPE (range_type);
	120	low_bound = TYPE_FIELD_BITPOS (range_type, 0);
	121	high_bound = TYPE_FIELD_BITPOS (range_type, 1);
	122	fputs_filtered ("ARRAY (", stream);
	123	print_type_scalar (index_type, low_bound, stream);
	124	fputs_filtered (":", stream);
	125	print_type_scalar (index_type, high_bound, stream);
	126	fputs_filtered (") ", stream);
	127	chill_print_type (TYPE_TARGET_TYPE (type), "", stream, show, level);
	128	break;
	129
	130	case TYPE_CODE_STRING:
	131	range_type = TYPE_FIELD_TYPE (type, 0);
	132	index_type = TYPE_TARGET_TYPE (range_type);
	133	high_bound = TYPE_FIELD_BITPOS (range_type, 1);
	134	fputs_filtered ("CHAR (", stream);
	135	print_type_scalar (index_type, high_bound + 1, stream);
	136	fputs_filtered (")", stream);
	137	break;
	138
a8a69e63	139	case TYPE_CODE_MEMBER:
8a177da6 PB	140	fprintf_filtered (stream, "MEMBER ");
	141	chill_type_print_base (TYPE_TARGET_TYPE (type), stream, show, level);
	142	break;
a8a69e63	143	case TYPE_CODE_REF:
8a177da6 PB	144	fprintf_filtered (stream, "/LOC/ ");
	145	chill_type_print_base (TYPE_TARGET_TYPE (type), stream, show, level);
	146	break;
a8a69e63	147	case TYPE_CODE_FUNC:
8a177da6	148	fprintf_filtered (stream, "PROC (?)");
8fbdca53 FF	149	chill_type_print_base (TYPE_TARGET_TYPE (type), stream, show, level);
	150	break;
	151
	152	case TYPE_CODE_STRUCT:
	153	fprintf_filtered (stream, "STRUCT ");
	154	if ((name = type_name_no_tag (type)) != NULL)
	155	{
	156	fputs_filtered (name, stream);
	157	fputs_filtered (" ", stream);
	158	wrap_here (" ");
	159	}
	160	if (show < 0)
	161	{
	162	fprintf_filtered (stream, "(...)");
	163	}
	164	else
	165	{
8fbdca53 FF	166	fprintf_filtered (stream, "(\n");
	167	if ((TYPE_NFIELDS (type) == 0) && (TYPE_NFN_FIELDS (type) == 0))
	168	{
	169	if (TYPE_FLAGS (type) & TYPE_FLAG_STUB)
	170	{
	171	fprintfi_filtered (level + 4, stream, "<incomplete type>\n");
	172	}
	173	else
	174	{
	175	fprintfi_filtered (level + 4, stream, "<no data fields>\n");
	176	}
	177	}
	178	else
	179	{
	180	len = TYPE_NFIELDS (type);
	181	for (i = TYPE_N_BASECLASSES (type); i < len; i++)
	182	{
	183	QUIT;
	184	print_spaces_filtered (level + 4, stream);
	185	chill_print_type (TYPE_FIELD_TYPE (type, i),
	186	TYPE_FIELD_NAME (type, i),
	187	stream, show - 1, level + 4);
	188	if (i < (len - 1))
	189	{
	190	fputs_filtered (",", stream);
	191	}
	192	fputs_filtered ("\n", stream);
	193	}
	194	}
	195	fprintfi_filtered (level, stream, ")");
	196	}
a8a69e63 FF	197	break;
	198
	199	case TYPE_CODE_VOID:
	200	case TYPE_CODE_UNDEF:
	201	case TYPE_CODE_ERROR:
	202	case TYPE_CODE_RANGE:
	203	case TYPE_CODE_ENUM:
	204	case TYPE_CODE_UNION:
a8a69e63	205	case TYPE_CODE_METHOD:
8fbdca53	206	error ("missing language support in chill_type_print_base");
a8a69e63 FF	207	break;
	208
	209	default:
	210
	211	/* Handle types not explicitly handled by the other cases,
	212	such as fundamental types. For these, just print whatever
	213	the type name is, as recorded in the type itself. If there
	214	is no type name, then complain. */
	215
	216	if (TYPE_NAME (type) != NULL)
	217	{
	218	fputs_filtered (TYPE_NAME (type), stream);
	219	}
	220	else
	221	{
	222	error ("Unrecognized type code (%d) in symbol table.",
	223	TYPE_CODE (type));
	224	}
	225	break;
	226	}
	227	}