[binutils.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, 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.  */
	  if (TYPE_LENGTH (elttype) == 1
	      && TYPE_CODE (elttype) == TYPE_CODE_INT
	      && (format == 0 || format == 's')
	      && addr != 0)
	    {
	      i = val_print_string (addr, 0, 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
a8a69e63	98	LA_PRINT_STRING (stream, valaddr, len, 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. */
c4413e2c FF	172	if (TYPE_LENGTH (elttype) == 1
	173	&& TYPE_CODE (elttype) == TYPE_CODE_INT
	174	&& (format == 0 \|\| format == 's')
	175	&& addr != 0)
a8a69e63	176	{
c4413e2c	177	i = val_print_string (addr, 0, stream);
a8a69e63 FF	178	}
	179	else if (cp_is_vtbl_member(type))
	180	{
	181	/* print vtbl's nicely */
	182	CORE_ADDR vt_address = unpack_pointer (type, valaddr);
	183
	184	struct minimal_symbol *msymbol =
	185	lookup_minimal_symbol_by_pc (vt_address);
2e4964ad FF	186	if ((msymbol != NULL) &&
2e4964ad FF	187	(vt_address == SYMBOL_VALUE_ADDRESS (msymbol)))
a8a69e63 FF	188	{
a8a69e63 FF	189	fputs_filtered (" <", stream);
2e4964ad	190	fputs_filtered (SYMBOL_SOURCE_NAME (msymbol), stream);
a8a69e63 FF	191	fputs_filtered (">", stream);
a8a69e63 FF	192	}
40f24469	193	if (vt_address && vtblprint)
a8a69e63	194	{
82a2edfb	195	value_ptr vt_val;
1bd97ba8 KH	196	struct symbol wsym = (struct symbol )NULL;
	197	struct type *wtype;
	198	struct symtab *s;
	199	struct block block = (struct block )NULL;
	200	int is_this_fld;
	201
40f24469 KH	202	if (msymbol != NULL)
40f24469 KH	203	wsym = lookup_symbol (SYMBOL_NAME(msymbol), block,
1bd97ba8 KH	204	VAR_NAMESPACE, &is_this_fld, &s);
	205
	206	if (wsym)
	207	{
	208	wtype = SYMBOL_TYPE(wsym);
	209	}
	210	else
	211	{
	212	wtype = TYPE_TARGET_TYPE(type);
	213	}
6c310da8	214	vt_val = value_at (wtype, vt_address, NULL);
a8a69e63 FF	215	val_print (VALUE_TYPE (vt_val), VALUE_CONTENTS (vt_val),
	216	VALUE_ADDRESS (vt_val), stream, format,
	217	deref_ref, recurse + 1, pretty);
	218	if (pretty)
	219	{
	220	fprintf_filtered (stream, "\n");
	221	print_spaces_filtered (2 + 2 * recurse, stream);
	222	}
	223	}
	224	}
	225
79f3d586 JK	226	/* Return number of characters printed, including the terminating
	227	'\0' if we reached the end. val_print_string takes care including
	228	the terminating '\0' if necessary. */
	229	return i;
a8a69e63 FF	230	}
	231	break;
	232
	233	case TYPE_CODE_MEMBER:
	234	error ("not implemented: member type in c_val_print");
	235	break;
	236
	237	case TYPE_CODE_REF:
5e548861 PB	238	elttype = check_typedef (TYPE_TARGET_TYPE (type));
5e548861 PB	239	if (TYPE_CODE (elttype) == TYPE_CODE_MEMBER)
a8a69e63 FF	240	{
a8a69e63 FF	241	cp_print_class_member (valaddr,
5e548861	242	TYPE_DOMAIN_TYPE (elttype),
a8a69e63 FF	243	stream, "");
	244	break;
	245	}
	246	if (addressprint)
	247	{
833e0d94 JK	248	fprintf_filtered (stream, "@");
	249	print_address_numeric
	250	(extract_address (valaddr,
d24c0599	251	TARGET_PTR_BIT / HOST_CHAR_BIT), 1, stream);
a8a69e63 FF	252	if (deref_ref)
	253	fputs_filtered (": ", stream);
	254	}
	255	/* De-reference the reference. */
	256	if (deref_ref)
	257	{
5e548861	258	if (TYPE_CODE (elttype) != TYPE_CODE_UNDEF)
a8a69e63	259	{
82a2edfb	260	value_ptr deref_val =
a8a69e63 FF	261	value_at
	262	(TYPE_TARGET_TYPE (type),
	263	unpack_pointer (lookup_pointer_type (builtin_type_void),
6c310da8 SG	264	valaddr),
6c310da8 SG	265	NULL);
a8a69e63 FF	266	val_print (VALUE_TYPE (deref_val),
	267	VALUE_CONTENTS (deref_val),
	268	VALUE_ADDRESS (deref_val), stream, format,
	269	deref_ref, recurse + 1, pretty);
	270	}
	271	else
	272	fputs_filtered ("???", stream);
	273	}
	274	break;
	275
	276	case TYPE_CODE_UNION:
	277	if (recurse && !unionprint)
	278	{
	279	fprintf_filtered (stream, "{...}");
	280	break;
	281	}
	282	/* Fall through. */
	283	case TYPE_CODE_STRUCT:
	284	if (vtblprint && cp_is_vtbl_ptr_type(type))
	285	{
	286	/* Print the unmangled name if desired. */
36a2283d PB	287	/* Print vtable entry - we only get here if NOT using
36a2283d PB	288	-fvtable_thunks. (Otherwise, look under TYPE_CODE_PTR.) */
153da921 PS	289	print_address_demangle (extract_address (
	290	valaddr + TYPE_FIELD_BITPOS (type, VTBL_FNADDR_OFFSET) / 8,
	291	TYPE_LENGTH (TYPE_FIELD_TYPE (type, VTBL_FNADDR_OFFSET))),
	292	stream, demangle);
a8a69e63	293	}
5e548861 PB	294	else
	295	cp_print_value_fields (type, valaddr, address, stream, format,
	296	recurse, pretty, NULL, 0);
a8a69e63 FF	297	break;
	298
	299	case TYPE_CODE_ENUM:
	300	if (format)
	301	{
	302	print_scalar_formatted (valaddr, type, format, 0, stream);
	303	break;
	304	}
	305	len = TYPE_NFIELDS (type);
1d9449ab	306	val = unpack_long (type, valaddr);
a8a69e63 FF	307	for (i = 0; i < len; i++)
	308	{
	309	QUIT;
	310	if (val == TYPE_FIELD_BITPOS (type, i))
	311	{
	312	break;
	313	}
	314	}
	315	if (i < len)
	316	{
	317	fputs_filtered (TYPE_FIELD_NAME (type, i), stream);
	318	}
	319	else
	320	{
7efb57c3	321	print_longest (stream, 'd', 0, val);
a8a69e63 FF	322	}
	323	break;
	324
	325	case TYPE_CODE_FUNC:
	326	if (format)
	327	{
	328	print_scalar_formatted (valaddr, type, format, 0, stream);
	329	break;
	330	}
	331	/* FIXME, we should consider, at least for ANSI C language, eliminating
	332	the distinction made between FUNCs and POINTERs to FUNCs. */
	333	fprintf_filtered (stream, "{");
	334	type_print (type, "", stream, -1);
	335	fprintf_filtered (stream, "} ");
	336	/* Try to print what function it points to, and its address. */
	337	print_address_demangle (address, stream, demangle);
	338	break;
	339
7e71985c	340	case TYPE_CODE_BOOL:
c6038971 PB	341	format = format ? format : output_format;
	342	if (format)
	343	print_scalar_formatted (valaddr, type, format, 0, stream);
	344	else
	345	{
	346	val = unpack_long (type, valaddr);
	347	if (val == 0)
	348	fputs_filtered ("false", stream);
	349	else if (val == 1)
	350	fputs_filtered ("true", stream);
	351	else
	352	print_longest (stream, 'd', 0, val);
	353	}
	354	break;
7e71985c	355
85b8aa88 JK	356	case TYPE_CODE_RANGE:
	357	/* FIXME: create_range_type does not set the unsigned bit in a
	358	range type (I think it probably should copy it from the target
	359	type), so we won't print values which are too large to
	360	fit in a signed integer correctly. */
	361	/* FIXME: Doesn't handle ranges of enums correctly. (Can't just
	362	print with the target type, though, because the size of our type
	363	and the target type might differ). */
	364	/* FALLTHROUGH */
	365
a8a69e63 FF	366	case TYPE_CODE_INT:
	367	format = format ? format : output_format;
	368	if (format)
	369	{
	370	print_scalar_formatted (valaddr, type, format, 0, stream);
	371	}
	372	else
	373	{
	374	val_print_type_code_int (type, valaddr, stream);
	375	/* C and C++ has no single byte int type, char is used instead.
	376	Since we don't know whether the value is really intended to
	377	be used as an integer or a character, print the character
	378	equivalent as well. */
	379	if (TYPE_LENGTH (type) == 1)
	380	{
	381	fputs_filtered (" ", stream);
	382	LA_PRINT_CHAR ((unsigned char) unpack_long (type, valaddr),
	383	stream);
	384	}
	385	}
	386	break;
	387
	388	case TYPE_CODE_CHAR:
	389	format = format ? format : output_format;
	390	if (format)
	391	{
	392	print_scalar_formatted (valaddr, type, format, 0, stream);
	393	}
	394	else
	395	{
	396	fprintf_filtered (stream, TYPE_UNSIGNED (type) ? "%u" : "%d",
	397	unpack_long (type, valaddr));
	398	fputs_filtered (" ", stream);
	399	LA_PRINT_CHAR ((unsigned char) unpack_long (type, valaddr), stream);
	400	}
	401	break;
	402
	403	case TYPE_CODE_FLT:
	404	if (format)
	405	{
	406	print_scalar_formatted (valaddr, type, format, 0, stream);
	407	}
	408	else
	409	{
	410	print_floating (valaddr, type, stream);
	411	}
	412	break;
	413
	414	case TYPE_CODE_VOID:
	415	fprintf_filtered (stream, "void");
	416	break;
	417
	418	case TYPE_CODE_ERROR:
	419	fprintf_filtered (stream, "<error type>");
	420	break;
	421
a8a69e63 FF	422	case TYPE_CODE_UNDEF:
	423	/* This happens (without TYPE_FLAG_STUB set) on systems which don't use
	424	dbx xrefs (NO_DBX_XREFS in gcc) if a file has a "struct foo *bar"
	425	and no complete type for struct foo in that file. */
	426	fprintf_filtered (stream, "<incomplete type>");
	427	break;
	428
	429	default:
	430	error ("Invalid C/C++ type code %d in symbol table.", TYPE_CODE (type));
	431	}
199b2450	432	gdb_flush (stream);
a8a69e63 FF	433	return (0);
a8a69e63 FF	434	}
e10cfcaa PB	435	\f
	436	int
	437	c_value_print (val, stream, format, pretty)
	438	value_ptr val;
	439	GDB_FILE *stream;
	440	int format;
	441	enum val_prettyprint pretty;
	442	{
398f584f	443	struct type *type = VALUE_TYPE (val);
e10cfcaa	444
398f584f PB	445	/* If it is a pointer, indicate what it points to.
	446
	447	Print type also if it is a reference.
	448
	449	C++: if it is a member pointer, we will take care
	450	of that when we print it. */
	451	if (TYPE_CODE (type) == TYPE_CODE_PTR \|\|
	452	TYPE_CODE (type) == TYPE_CODE_REF)
e10cfcaa	453	{
398f584f PB	454	/* Hack: remove (char *) for char strings. Their
	455	type is indicated by the quoted string anyway. */
	456	if (TYPE_CODE (type) == TYPE_CODE_PTR &&
	457	TYPE_NAME (type) == NULL &&
	458	TYPE_NAME (TYPE_TARGET_TYPE (type)) != NULL &&
	459	STREQ (TYPE_NAME (TYPE_TARGET_TYPE (type)), "char"))
e10cfcaa	460	{
398f584f	461	/* Print nothing */
e10cfcaa	462	}
398f584f	463	else
e10cfcaa	464	{
398f584f PB	465	fprintf_filtered (stream, "(");
	466	type_print (type, "", stream, -1);
	467	fprintf_filtered (stream, ") ");
e10cfcaa	468	}
e10cfcaa	469	}
074d813d PS	470	return val_print (type, VALUE_CONTENTS (val),
	471	VALUE_ADDRESS (val) + VALUE_OFFSET (val),
	472	stream, format, 1, 0, pretty);
e10cfcaa	473	}