[deliverable/binutils-gdb.git] / gdb / c-valprint.c

/* Support for printing C values for GDB, the GNU debugger.
   Copyright 1986, 1988, 1989, 1991, 1992, 1993, 1994, 1995, 1996, 1997
             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 "symtab.h"
#include "gdbtypes.h"
#include "expression.h"
#include "value.h"
#include "demangle.h"
#include "valprint.h"
#include "language.h"
#include "c-lang.h"

\f
/* 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
c_val_print (type, valaddr, address, stream, format, deref_ref, recurse,
	     pretty)
     struct type *type;
     char *valaddr;
     CORE_ADDR address;
     GDB_FILE *stream;
     int format;
     int deref_ref;
     int recurse;
     enum val_prettyprint pretty;
{
  register unsigned int i = 0;		/* Number of characters printed */
  unsigned len;
  struct type *elttype;
  unsigned eltlen;
  LONGEST val;
  CORE_ADDR addr;

  CHECK_TYPEDEF (type);
  switch (TYPE_CODE (type))
    {
    case TYPE_CODE_ARRAY:
      if (TYPE_LENGTH (type) > 0 && TYPE_LENGTH (TYPE_TARGET_TYPE (type)) > 0)
	{
	  elttype = check_typedef (TYPE_TARGET_TYPE (type));
	  eltlen = TYPE_LENGTH (elttype);
	  len = TYPE_LENGTH (type) / eltlen;
	  if (prettyprint_arrays)
	    {
	      print_spaces_filtered (2 + 2 * recurse, stream);
	    }
	  /* For an array of chars, print with string syntax.  */
	  if (eltlen == 1 &&
	      ((TYPE_CODE (elttype) == TYPE_CODE_INT)
	       || ((current_language->la_language == language_m2)
		   && (TYPE_CODE (elttype) == TYPE_CODE_CHAR)))
	      && (format == 0 || format == 's'))
	    {
	      /* If requested, look for the first null char and only print
		 elements up to it.  */
	      if (stop_print_at_null)
		{
		  int temp_len;
		  
		  /* Look for a NULL char. */
		  for (temp_len = 0;
		       valaddr[temp_len]
		       && temp_len < len && temp_len < print_max;
		       temp_len++);
		  len = temp_len;
		}
	      
	      LA_PRINT_STRING (stream, valaddr, len, eltlen, 0);
	      i = len;
	    }
	  else
	    {
	      fprintf_filtered (stream, "{");
	      /* If this is a virtual function table, print the 0th
		 entry specially, and the rest of the members normally.  */
	      if (cp_is_vtbl_ptr_type (elttype))
		{
		  i = 1;
		  fprintf_filtered (stream, "%d vtable entries", len - 1);
		}
	      else
		{
		  i = 0;
		}
	      val_print_array_elements (type, valaddr, address, stream,
					format, deref_ref, recurse, pretty, i);
	      fprintf_filtered (stream, "}");
	    }
	  break;
	}
      /* Array of unspecified length: treat like pointer to first elt.  */
      addr = address;
      goto print_unpacked_pointer;

    case TYPE_CODE_PTR:
      if (format && format != 's')
	{
	  print_scalar_formatted (valaddr, type, format, 0, stream);
	  break;
	}
      if (vtblprint && cp_is_vtbl_ptr_type(type))
	{
          /* Print the unmangled name if desired.  */
	  /* Print vtable entry - we only get here if we ARE using
	     -fvtable_thunks.  (Otherwise, look under TYPE_CODE_STRUCT.) */
	  print_address_demangle(extract_address (valaddr, TYPE_LENGTH (type)),
				 stream, demangle);
	  break;
	}
      elttype = check_typedef (TYPE_TARGET_TYPE (type));
      if (TYPE_CODE (elttype) == TYPE_CODE_METHOD)
	{
	  cp_print_class_method (valaddr, type, stream);
	}
      else if (TYPE_CODE (elttype) == TYPE_CODE_MEMBER)
	{
	  cp_print_class_member (valaddr,
				 TYPE_DOMAIN_TYPE (TYPE_TARGET_TYPE (type)),
				 stream, "&");
	}
      else
	{
	  addr = unpack_pointer (type, valaddr);
	print_unpacked_pointer:
          elttype = check_typedef (TYPE_TARGET_TYPE (type));

	  if (TYPE_CODE (elttype) == TYPE_CODE_FUNC)
	    {
	      /* Try to print what function it points to.  */
	      print_address_demangle (addr, stream, demangle);
	      /* Return value is irrelevant except for string pointers.  */
	      return (0);
	    }

	  if (addressprint && format != 's')
	    {
	      print_address_numeric (addr, 1, stream);
	    }

	  /* For a pointer to char or unsigned char, also print the string
	     pointed to, unless pointer is null.  */
	  /* FIXME: need to handle wchar_t here... */

	  if (TYPE_LENGTH (elttype) == 1
	      && TYPE_CODE (elttype) == TYPE_CODE_INT
	      && (format == 0 || format == 's')
	      && addr != 0)
	    {
	      i = val_print_string (addr, -1, TYPE_LENGTH (elttype), stream);
	    }
	  else if (cp_is_vtbl_member(type))
  	    {
	      /* print vtbl's nicely */
	      CORE_ADDR vt_address = unpack_pointer (type, valaddr);

	      struct minimal_symbol *msymbol =
		lookup_minimal_symbol_by_pc (vt_address);
	      if ((msymbol != NULL) &&
		  (vt_address == SYMBOL_VALUE_ADDRESS (msymbol)))
		{
		  fputs_filtered (" <", stream);
		  fputs_filtered (SYMBOL_SOURCE_NAME (msymbol), stream);
		  fputs_filtered (">", stream);
		}
	      if (vt_address && vtblprint)
	        {
		  value_ptr vt_val;
	          struct symbol *wsym = (struct symbol *)NULL;
	          struct type *wtype;
		  struct symtab *s;
		  struct block *block = (struct block *)NULL;
		  int is_this_fld;

		  if (msymbol != NULL)
              	    wsym = lookup_symbol (SYMBOL_NAME(msymbol), block, 
				VAR_NAMESPACE, &is_this_fld, &s);
 
		  if (wsym)
		    {
	              wtype = SYMBOL_TYPE(wsym);
		    }
		  else
		    {
		      wtype = TYPE_TARGET_TYPE(type);
		    }
		  vt_val = value_at (wtype, vt_address, NULL);
		  val_print (VALUE_TYPE (vt_val), VALUE_CONTENTS (vt_val),
			     VALUE_ADDRESS (vt_val), stream, format,
			     deref_ref, recurse + 1, pretty);
		  if (pretty)
		    {
		      fprintf_filtered (stream, "\n");
		      print_spaces_filtered (2 + 2 * recurse, stream);
		    }
	        }
	      }

	  /* Return number of characters printed, including the terminating
	     '\0' if we reached the end.  val_print_string takes care including
	     the terminating '\0' if necessary.  */
	  return i;
	}
      break;

    case TYPE_CODE_MEMBER:
      error ("not implemented: member type in c_val_print");
      break;

    case TYPE_CODE_REF:
      elttype = check_typedef (TYPE_TARGET_TYPE (type));
      if (TYPE_CODE (elttype) == TYPE_CODE_MEMBER)
        {
	  cp_print_class_member (valaddr,
				 TYPE_DOMAIN_TYPE (elttype),
				 stream, "");
	  break;
	}
      if (addressprint)
        {
	  fprintf_filtered (stream, "@");
	  print_address_numeric
	    (extract_address (valaddr,
			      TARGET_PTR_BIT / HOST_CHAR_BIT), 1, stream);
	  if (deref_ref)
	    fputs_filtered (": ", stream);
        }
      /* De-reference the reference.  */
      if (deref_ref)
	{
	  if (TYPE_CODE (elttype) != TYPE_CODE_UNDEF)
	    {
	      value_ptr deref_val =
		value_at
		  (TYPE_TARGET_TYPE (type),
		   unpack_pointer (lookup_pointer_type (builtin_type_void),
				   valaddr),
		   NULL);
	      val_print (VALUE_TYPE (deref_val),
			 VALUE_CONTENTS (deref_val),
			 VALUE_ADDRESS (deref_val), stream, format,
			 deref_ref, recurse + 1, pretty);
	    }
	  else
	    fputs_filtered ("???", stream);
	}
      break;

    case TYPE_CODE_UNION:
      if (recurse && !unionprint)
	{
	  fprintf_filtered (stream, "{...}");
	  break;
	}
      /* Fall through.  */
    case TYPE_CODE_STRUCT:
      if (vtblprint && cp_is_vtbl_ptr_type(type))
	{
          /* Print the unmangled name if desired.  */
	  /* Print vtable entry - we only get here if NOT using
	     -fvtable_thunks.  (Otherwise, look under TYPE_CODE_PTR.) */
          print_address_demangle (extract_address (
	        valaddr + TYPE_FIELD_BITPOS (type, VTBL_FNADDR_OFFSET) / 8,
	        TYPE_LENGTH (TYPE_FIELD_TYPE (type, VTBL_FNADDR_OFFSET))),
              stream, demangle);
	}
      else
	cp_print_value_fields (type, valaddr, address, stream, format,
			       recurse, pretty, NULL, 0);
      break;

    case TYPE_CODE_ENUM:
      if (format)
	{
	  print_scalar_formatted (valaddr, type, format, 0, stream);
	  break;
	}
      len = TYPE_NFIELDS (type);
      val = unpack_long (type, valaddr);
      for (i = 0; i < len; i++)
	{
	  QUIT;
	  if (val == TYPE_FIELD_BITPOS (type, i))
	    {
	      break;
	    }
	}
      if (i < len)
	{
	  fputs_filtered (TYPE_FIELD_NAME (type, i), stream);
	}
      else
	{
	  print_longest (stream, 'd', 0, val);
	}
      break;

    case TYPE_CODE_FUNC:
      if (format)
	{
	  print_scalar_formatted (valaddr, type, format, 0, stream);
	  break;
	}
      /* FIXME, we should consider, at least for ANSI C language, eliminating
	 the distinction made between FUNCs and POINTERs to FUNCs.  */
      fprintf_filtered (stream, "{");
      type_print (type, "", stream, -1);
      fprintf_filtered (stream, "} ");
      /* Try to print what function it points to, and its address.  */
      print_address_demangle (address, stream, demangle);
      break;

    case TYPE_CODE_BOOL:
      format = format ? format : output_format;
      if (format)
	print_scalar_formatted (valaddr, type, format, 0, stream);
      else
	{
	  val = unpack_long (type, valaddr);
	  if (val == 0)
	    fputs_filtered ("false", stream);
	  else if (val == 1)
	    fputs_filtered ("true", stream);
	  else
	    print_longest (stream, 'd', 0, val);
	}
      break;

    case TYPE_CODE_RANGE:
      /* FIXME: create_range_type does not set the unsigned bit in a
	 range type (I think it probably should copy it from the target
	 type), so we won't print values which are too large to
	 fit in a signed integer correctly.  */
      /* FIXME: Doesn't handle ranges of enums correctly.  (Can't just
	 print with the target type, though, because the size of our type
	 and the target type might differ).  */
      /* FALLTHROUGH */

    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);
	  /* C and C++ has no single byte int type, char is used instead.
	     Since we don't know whether the value is really intended to
	     be used as an integer or a character, print the character
	     equivalent as well. */
	  if (TYPE_LENGTH (type) == 1)
	    {
	      fputs_filtered (" ", stream);
	      LA_PRINT_CHAR ((unsigned char) unpack_long (type, valaddr),
			     stream);
	    }
	}
      break;

    case TYPE_CODE_CHAR:
      format = format ? format : output_format;
      if (format)
	{
	  print_scalar_formatted (valaddr, type, format, 0, stream);
	}
      else
	{
	  fprintf_filtered (stream, TYPE_UNSIGNED (type) ? "%u" : "%d",
			    unpack_long (type, valaddr));
	  fputs_filtered (" ", stream);
	  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_VOID:
      fprintf_filtered (stream, "void");
      break;

    case TYPE_CODE_ERROR:
      fprintf_filtered (stream, "<error type>");
      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;

    default:
      error ("Invalid C/C++ type code %d in symbol table.", TYPE_CODE (type));
    }
  gdb_flush (stream);
  return (0);
}
\f
int
c_value_print (val, stream, format, pretty)
     value_ptr val;
     GDB_FILE *stream;
     int format;
     enum val_prettyprint pretty;
{
  struct type *type = VALUE_TYPE (val);

  /* If it is a pointer, indicate what it points to.

     Print type also if it is a reference.

     C++: if it is a member pointer, we will take care
     of that when we print it.  */
  if (TYPE_CODE (type) == TYPE_CODE_PTR ||
      TYPE_CODE (type) == TYPE_CODE_REF)
    {
      /* Hack:  remove (char *) for char strings.  Their
	 type is indicated by the quoted string anyway. */
      if (TYPE_CODE (type) == TYPE_CODE_PTR &&
	  TYPE_NAME (type) == NULL &&
	  TYPE_NAME (TYPE_TARGET_TYPE (type)) != NULL &&
	  STREQ (TYPE_NAME (TYPE_TARGET_TYPE (type)), "char"))
	{
	  /* Print nothing */
	}
      else
	{
	  fprintf_filtered (stream, "(");
	  type_print (type, "", stream, -1);
	  fprintf_filtered (stream, ") ");
	}
    }
  return val_print (type, VALUE_CONTENTS (val),
		    VALUE_ADDRESS (val) + VALUE_OFFSET (val),
		    stream, format, 1, 0, pretty);
}
Commit	Line	Data
a8a69e63	1	/* Support for printing C values for GDB, the GNU debugger.
153da921	2	Copyright 1986, 1988, 1989, 1991, 1992, 1993, 1994, 1995, 1996, 1997
0568ccb0	3	Free Software Foundation, Inc.
a8a69e63 FF	4
	5	This file is part of GDB.
	6
	7	This program is free software; you can redistribute it and/or modify
	8	it under the terms of the GNU General Public License as published by
	9	the Free Software Foundation; either version 2 of the License, or
	10	(at your option) any later version.
	11
	12	This program is distributed in the hope that it will be useful,
	13	but WITHOUT ANY WARRANTY; without even the implied warranty of
	14	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	15	GNU General Public License for more details.
	16
	17	You should have received a copy of the GNU General Public License
	18	along with this program; if not, write to the Free Software
6c9638b4	19	Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
a8a69e63 FF	20
	21	#include "defs.h"
	22	#include "symtab.h"
	23	#include "gdbtypes.h"
	24	#include "expression.h"
	25	#include "value.h"
	26	#include "demangle.h"
	27	#include "valprint.h"
	28	#include "language.h"
5e548861	29	#include "c-lang.h"
a8a69e63	30
a8a69e63 FF	31	\f
	32	/* Print data of type TYPE located at VALADDR (within GDB), which came from
	33	the inferior at address ADDRESS, onto stdio stream STREAM according to
	34	FORMAT (a letter or 0 for natural format). The data at VALADDR is in
	35	target byte order.
	36
	37	If the data are a string pointer, returns the number of string characters
	38	printed.
	39
	40	If DEREF_REF is nonzero, then dereference references, otherwise just print
	41	them like pointers.
	42
	43	The PRETTY parameter controls prettyprinting. */
	44
	45	int
	46	c_val_print (type, valaddr, address, stream, format, deref_ref, recurse,
	47	pretty)
	48	struct type *type;
	49	char *valaddr;
	50	CORE_ADDR address;
199b2450	51	GDB_FILE *stream;
a8a69e63 FF	52	int format;
	53	int deref_ref;
	54	int recurse;
	55	enum val_prettyprint pretty;
	56	{
c4413e2c	57	register unsigned int i = 0; /* Number of characters printed */
a8a69e63 FF	58	unsigned len;
	59	struct type *elttype;
	60	unsigned eltlen;
	61	LONGEST val;
c4413e2c	62	CORE_ADDR addr;
a8a69e63	63
5e548861	64	CHECK_TYPEDEF (type);
a8a69e63 FF	65	switch (TYPE_CODE (type))
	66	{
	67	case TYPE_CODE_ARRAY:
	68	if (TYPE_LENGTH (type) > 0 && TYPE_LENGTH (TYPE_TARGET_TYPE (type)) > 0)
	69	{
5e548861	70	elttype = check_typedef (TYPE_TARGET_TYPE (type));
a8a69e63 FF	71	eltlen = TYPE_LENGTH (elttype);
	72	len = TYPE_LENGTH (type) / eltlen;
	73	if (prettyprint_arrays)
	74	{
	75	print_spaces_filtered (2 + 2 * recurse, stream);
	76	}
a8a69e63	77	/* For an array of chars, print with string syntax. */
0568ccb0 SS	78	if (eltlen == 1 &&
	79	((TYPE_CODE (elttype) == TYPE_CODE_INT)
	80	\|\| ((current_language->la_language == language_m2)
	81	&& (TYPE_CODE (elttype) == TYPE_CODE_CHAR)))
c4413e2c	82	&& (format == 0 \|\| format == 's'))
a8a69e63	83	{
0568ccb0 SS	84	/* If requested, look for the first null char and only print
	85	elements up to it. */
	86	if (stop_print_at_null)
	87	{
	88	int temp_len;
	89
	90	/* Look for a NULL char. */
	91	for (temp_len = 0;
	92	valaddr[temp_len]
	93	&& temp_len < len && temp_len < print_max;
	94	temp_len++);
	95	len = temp_len;
	96	}
	97
242c0d81	98	LA_PRINT_STRING (stream, valaddr, len, eltlen, 0);
ec16f701	99	i = len;
a8a69e63 FF	100	}
	101	else
	102	{
c4413e2c	103	fprintf_filtered (stream, "{");
a8a69e63 FF	104	/* If this is a virtual function table, print the 0th
	105	entry specially, and the rest of the members normally. */
	106	if (cp_is_vtbl_ptr_type (elttype))
	107	{
	108	i = 1;
	109	fprintf_filtered (stream, "%d vtable entries", len - 1);
	110	}
	111	else
	112	{
	113	i = 0;
	114	}
	115	val_print_array_elements (type, valaddr, address, stream,
	116	format, deref_ref, recurse, pretty, i);
c4413e2c	117	fprintf_filtered (stream, "}");
a8a69e63	118	}
a8a69e63 FF	119	break;
	120	}
	121	/* Array of unspecified length: treat like pointer to first elt. */
1326dace JK	122	addr = address;
1326dace JK	123	goto print_unpacked_pointer;
a8a69e63 FF	124
	125	case TYPE_CODE_PTR:
	126	if (format && format != 's')
	127	{
	128	print_scalar_formatted (valaddr, type, format, 0, stream);
	129	break;
	130	}
36a2283d PB	131	if (vtblprint && cp_is_vtbl_ptr_type(type))
	132	{
	133	/* Print the unmangled name if desired. */
	134	/* Print vtable entry - we only get here if we ARE using
	135	-fvtable_thunks. (Otherwise, look under TYPE_CODE_STRUCT.) */
	136	print_address_demangle(extract_address (valaddr, TYPE_LENGTH (type)),
	137	stream, demangle);
	138	break;
	139	}
5e548861 PB	140	elttype = check_typedef (TYPE_TARGET_TYPE (type));
5e548861 PB	141	if (TYPE_CODE (elttype) == TYPE_CODE_METHOD)
a8a69e63	142	{
c7da3ed3	143	cp_print_class_method (valaddr, type, stream);
a8a69e63	144	}
5e548861	145	else if (TYPE_CODE (elttype) == TYPE_CODE_MEMBER)
a8a69e63 FF	146	{
	147	cp_print_class_member (valaddr,
	148	TYPE_DOMAIN_TYPE (TYPE_TARGET_TYPE (type)),
	149	stream, "&");
	150	}
	151	else
	152	{
c4413e2c	153	addr = unpack_pointer (type, valaddr);
1326dace	154	print_unpacked_pointer:
aad09779	155	elttype = check_typedef (TYPE_TARGET_TYPE (type));
a8a69e63 FF	156
	157	if (TYPE_CODE (elttype) == TYPE_CODE_FUNC)
	158	{
	159	/* Try to print what function it points to. */
	160	print_address_demangle (addr, stream, demangle);
	161	/* Return value is irrelevant except for string pointers. */
	162	return (0);
	163	}
	164
	165	if (addressprint && format != 's')
	166	{
d24c0599	167	print_address_numeric (addr, 1, stream);
a8a69e63 FF	168	}
	169
	170	/* For a pointer to char or unsigned char, also print the string
	171	pointed to, unless pointer is null. */
242c0d81 SG	172	/* FIXME: need to handle wchar_t here... */
242c0d81 SG	173
c4413e2c FF	174	if (TYPE_LENGTH (elttype) == 1
	175	&& TYPE_CODE (elttype) == TYPE_CODE_INT
	176	&& (format == 0 \|\| format == 's')
	177	&& addr != 0)
a8a69e63	178	{
242c0d81	179	i = val_print_string (addr, -1, TYPE_LENGTH (elttype), stream);
a8a69e63 FF	180	}
	181	else if (cp_is_vtbl_member(type))
	182	{
	183	/* print vtbl's nicely */
	184	CORE_ADDR vt_address = unpack_pointer (type, valaddr);
	185
	186	struct minimal_symbol *msymbol =
	187	lookup_minimal_symbol_by_pc (vt_address);
2e4964ad FF	188	if ((msymbol != NULL) &&
2e4964ad FF	189	(vt_address == SYMBOL_VALUE_ADDRESS (msymbol)))
a8a69e63 FF	190	{
a8a69e63 FF	191	fputs_filtered (" <", stream);
2e4964ad	192	fputs_filtered (SYMBOL_SOURCE_NAME (msymbol), stream);
a8a69e63 FF	193	fputs_filtered (">", stream);
a8a69e63 FF	194	}
40f24469	195	if (vt_address && vtblprint)
a8a69e63	196	{
82a2edfb	197	value_ptr vt_val;
1bd97ba8 KH	198	struct symbol wsym = (struct symbol )NULL;
	199	struct type *wtype;
	200	struct symtab *s;
	201	struct block block = (struct block )NULL;
	202	int is_this_fld;
	203
40f24469 KH	204	if (msymbol != NULL)
40f24469 KH	205	wsym = lookup_symbol (SYMBOL_NAME(msymbol), block,
1bd97ba8 KH	206	VAR_NAMESPACE, &is_this_fld, &s);
	207
	208	if (wsym)
	209	{
	210	wtype = SYMBOL_TYPE(wsym);
	211	}
	212	else
	213	{
	214	wtype = TYPE_TARGET_TYPE(type);
	215	}
6c310da8	216	vt_val = value_at (wtype, vt_address, NULL);
a8a69e63 FF	217	val_print (VALUE_TYPE (vt_val), VALUE_CONTENTS (vt_val),
	218	VALUE_ADDRESS (vt_val), stream, format,
	219	deref_ref, recurse + 1, pretty);
	220	if (pretty)
	221	{
	222	fprintf_filtered (stream, "\n");
	223	print_spaces_filtered (2 + 2 * recurse, stream);
	224	}
	225	}
	226	}
	227
79f3d586 JK	228	/* Return number of characters printed, including the terminating
	229	'\0' if we reached the end. val_print_string takes care including
	230	the terminating '\0' if necessary. */
	231	return i;
a8a69e63 FF	232	}
	233	break;
	234
	235	case TYPE_CODE_MEMBER:
	236	error ("not implemented: member type in c_val_print");
	237	break;
	238
	239	case TYPE_CODE_REF:
5e548861 PB	240	elttype = check_typedef (TYPE_TARGET_TYPE (type));
5e548861 PB	241	if (TYPE_CODE (elttype) == TYPE_CODE_MEMBER)
a8a69e63 FF	242	{
a8a69e63 FF	243	cp_print_class_member (valaddr,
5e548861	244	TYPE_DOMAIN_TYPE (elttype),
a8a69e63 FF	245	stream, "");
	246	break;
	247	}
	248	if (addressprint)
	249	{
833e0d94 JK	250	fprintf_filtered (stream, "@");
	251	print_address_numeric
	252	(extract_address (valaddr,
d24c0599	253	TARGET_PTR_BIT / HOST_CHAR_BIT), 1, stream);
a8a69e63 FF	254	if (deref_ref)
	255	fputs_filtered (": ", stream);
	256	}
	257	/* De-reference the reference. */
	258	if (deref_ref)
	259	{
5e548861	260	if (TYPE_CODE (elttype) != TYPE_CODE_UNDEF)
a8a69e63	261	{
82a2edfb	262	value_ptr deref_val =
a8a69e63 FF	263	value_at
	264	(TYPE_TARGET_TYPE (type),
	265	unpack_pointer (lookup_pointer_type (builtin_type_void),
6c310da8 SG	266	valaddr),
6c310da8 SG	267	NULL);
a8a69e63 FF	268	val_print (VALUE_TYPE (deref_val),
	269	VALUE_CONTENTS (deref_val),
	270	VALUE_ADDRESS (deref_val), stream, format,
	271	deref_ref, recurse + 1, pretty);
	272	}
	273	else
	274	fputs_filtered ("???", stream);
	275	}
	276	break;
	277
	278	case TYPE_CODE_UNION:
	279	if (recurse && !unionprint)
	280	{
	281	fprintf_filtered (stream, "{...}");
	282	break;
	283	}
	284	/* Fall through. */
	285	case TYPE_CODE_STRUCT:
	286	if (vtblprint && cp_is_vtbl_ptr_type(type))
	287	{
	288	/* Print the unmangled name if desired. */
36a2283d PB	289	/* Print vtable entry - we only get here if NOT using
36a2283d PB	290	-fvtable_thunks. (Otherwise, look under TYPE_CODE_PTR.) */
153da921 PS	291	print_address_demangle (extract_address (
	292	valaddr + TYPE_FIELD_BITPOS (type, VTBL_FNADDR_OFFSET) / 8,
	293	TYPE_LENGTH (TYPE_FIELD_TYPE (type, VTBL_FNADDR_OFFSET))),
	294	stream, demangle);
a8a69e63	295	}
5e548861 PB	296	else
	297	cp_print_value_fields (type, valaddr, address, stream, format,
	298	recurse, pretty, NULL, 0);
a8a69e63 FF	299	break;
	300
	301	case TYPE_CODE_ENUM:
	302	if (format)
	303	{
	304	print_scalar_formatted (valaddr, type, format, 0, stream);
	305	break;
	306	}
	307	len = TYPE_NFIELDS (type);
1d9449ab	308	val = unpack_long (type, valaddr);
a8a69e63 FF	309	for (i = 0; i < len; i++)
	310	{
	311	QUIT;
	312	if (val == TYPE_FIELD_BITPOS (type, i))
	313	{
	314	break;
	315	}
	316	}
	317	if (i < len)
	318	{
	319	fputs_filtered (TYPE_FIELD_NAME (type, i), stream);
	320	}
	321	else
	322	{
7efb57c3	323	print_longest (stream, 'd', 0, val);
a8a69e63 FF	324	}
	325	break;
	326
	327	case TYPE_CODE_FUNC:
	328	if (format)
	329	{
	330	print_scalar_formatted (valaddr, type, format, 0, stream);
	331	break;
	332	}
	333	/* FIXME, we should consider, at least for ANSI C language, eliminating
	334	the distinction made between FUNCs and POINTERs to FUNCs. */
	335	fprintf_filtered (stream, "{");
	336	type_print (type, "", stream, -1);
	337	fprintf_filtered (stream, "} ");
	338	/* Try to print what function it points to, and its address. */
	339	print_address_demangle (address, stream, demangle);
	340	break;
	341
7e71985c	342	case TYPE_CODE_BOOL:
c6038971 PB	343	format = format ? format : output_format;
	344	if (format)
	345	print_scalar_formatted (valaddr, type, format, 0, stream);
	346	else
	347	{
	348	val = unpack_long (type, valaddr);
	349	if (val == 0)
	350	fputs_filtered ("false", stream);
	351	else if (val == 1)
	352	fputs_filtered ("true", stream);
	353	else
	354	print_longest (stream, 'd', 0, val);
	355	}
	356	break;
7e71985c	357
85b8aa88 JK	358	case TYPE_CODE_RANGE:
	359	/* FIXME: create_range_type does not set the unsigned bit in a
	360	range type (I think it probably should copy it from the target
	361	type), so we won't print values which are too large to
	362	fit in a signed integer correctly. */
	363	/* FIXME: Doesn't handle ranges of enums correctly. (Can't just
	364	print with the target type, though, because the size of our type
	365	and the target type might differ). */
	366	/* FALLTHROUGH */
	367
a8a69e63 FF	368	case TYPE_CODE_INT:
	369	format = format ? format : output_format;
	370	if (format)
	371	{
	372	print_scalar_formatted (valaddr, type, format, 0, stream);
	373	}
	374	else
	375	{
	376	val_print_type_code_int (type, valaddr, stream);
	377	/* C and C++ has no single byte int type, char is used instead.
	378	Since we don't know whether the value is really intended to
	379	be used as an integer or a character, print the character
	380	equivalent as well. */
	381	if (TYPE_LENGTH (type) == 1)
	382	{
	383	fputs_filtered (" ", stream);
	384	LA_PRINT_CHAR ((unsigned char) unpack_long (type, valaddr),
	385	stream);
	386	}
	387	}
	388	break;
	389
	390	case TYPE_CODE_CHAR:
	391	format = format ? format : output_format;
	392	if (format)
	393	{
	394	print_scalar_formatted (valaddr, type, format, 0, stream);
	395	}
	396	else
	397	{
	398	fprintf_filtered (stream, TYPE_UNSIGNED (type) ? "%u" : "%d",
	399	unpack_long (type, valaddr));
	400	fputs_filtered (" ", stream);
	401	LA_PRINT_CHAR ((unsigned char) unpack_long (type, valaddr), stream);
	402	}
	403	break;
	404
	405	case TYPE_CODE_FLT:
	406	if (format)
	407	{
	408	print_scalar_formatted (valaddr, type, format, 0, stream);
	409	}
	410	else
	411	{
	412	print_floating (valaddr, type, stream);
	413	}
	414	break;
	415
	416	case TYPE_CODE_VOID:
	417	fprintf_filtered (stream, "void");
	418	break;
	419
	420	case TYPE_CODE_ERROR:
	421	fprintf_filtered (stream, "<error type>");
	422	break;
	423
a8a69e63 FF	424	case TYPE_CODE_UNDEF:
	425	/* This happens (without TYPE_FLAG_STUB set) on systems which don't use
	426	dbx xrefs (NO_DBX_XREFS in gcc) if a file has a "struct foo *bar"
	427	and no complete type for struct foo in that file. */
	428	fprintf_filtered (stream, "<incomplete type>");
	429	break;
	430
	431	default:
	432	error ("Invalid C/C++ type code %d in symbol table.", TYPE_CODE (type));
	433	}
199b2450	434	gdb_flush (stream);
a8a69e63 FF	435	return (0);
a8a69e63 FF	436	}
e10cfcaa PB	437	\f
	438	int
	439	c_value_print (val, stream, format, pretty)
	440	value_ptr val;
	441	GDB_FILE *stream;
	442	int format;
	443	enum val_prettyprint pretty;
	444	{
398f584f	445	struct type *type = VALUE_TYPE (val);
e10cfcaa	446
398f584f PB	447	/* If it is a pointer, indicate what it points to.
	448
	449	Print type also if it is a reference.
	450
	451	C++: if it is a member pointer, we will take care
	452	of that when we print it. */
	453	if (TYPE_CODE (type) == TYPE_CODE_PTR \|\|
	454	TYPE_CODE (type) == TYPE_CODE_REF)
e10cfcaa	455	{
398f584f PB	456	/* Hack: remove (char *) for char strings. Their
	457	type is indicated by the quoted string anyway. */
	458	if (TYPE_CODE (type) == TYPE_CODE_PTR &&
	459	TYPE_NAME (type) == NULL &&
	460	TYPE_NAME (TYPE_TARGET_TYPE (type)) != NULL &&
	461	STREQ (TYPE_NAME (TYPE_TARGET_TYPE (type)), "char"))
e10cfcaa	462	{
398f584f	463	/* Print nothing */
e10cfcaa	464	}
398f584f	465	else
e10cfcaa	466	{
398f584f PB	467	fprintf_filtered (stream, "(");
	468	type_print (type, "", stream, -1);
	469	fprintf_filtered (stream, ") ");
e10cfcaa	470	}
e10cfcaa	471	}
074d813d PS	472	return val_print (type, VALUE_CONTENTS (val),
	473	VALUE_ADDRESS (val) + VALUE_OFFSET (val),
	474	stream, format, 1, 0, pretty);
e10cfcaa	475	}