[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
             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 "symtab.h"
#include "gdbtypes.h"
#include "expression.h"
#include "value.h"
#include "demangle.h"
#include "valprint.h"
#include "language.h"

/* BEGIN-FIXME */

extern int vtblprint;		/* Controls printing of vtbl's */

extern void
cp_print_class_member PARAMS ((char *, struct type *, GDB_FILE *, char *));

extern void
cp_print_class_method PARAMS ((char *, struct type *, GDB_FILE *));

extern void
cp_print_value_fields PARAMS ((struct type *, char *, GDB_FILE *, int, int,
			       enum val_prettyprint, struct type **, int));

extern int
cp_is_vtbl_ptr_type PARAMS ((struct type *));

extern int
cp_is_vtbl_member PARAMS ((struct type *));

/* END-FIXME */


/* BEGIN-FIXME:  Hooks into c-typeprint.c */

extern void
c_type_print_varspec_prefix PARAMS ((struct type *, GDB_FILE *, int, int));

extern void
cp_type_print_method_args PARAMS ((struct type **, char *, char *, int,
				   GDB_FILE *));
/* END-FIXME */


\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;

  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);
	    }
	  /* 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;
	}
      if (TYPE_CODE (TYPE_TARGET_TYPE (type)) == TYPE_CODE_METHOD)
	{
	  cp_print_class_method (valaddr, type, stream);
	}
      else if (TYPE_CODE (TYPE_TARGET_TYPE (type)) == 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 = 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);
		  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:
      if (TYPE_CODE (TYPE_TARGET_TYPE (type)) == TYPE_CODE_MEMBER)
        {
	  cp_print_class_member (valaddr,
				 TYPE_DOMAIN_TYPE (TYPE_TARGET_TYPE (type)),
				 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 (TYPE_TARGET_TYPE (type)) != TYPE_CODE_UNDEF)
	    {
	      value_ptr deref_val =
		value_at
		  (TYPE_TARGET_TYPE (type),
		   unpack_pointer (lookup_pointer_type (builtin_type_void),
				   valaddr));
	      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(*((int *) (valaddr +	/* FIXME bytesex */
	      TYPE_FIELD_BITPOS (type, VTBL_FNADDR_OFFSET) / 8)),
	      stream, demangle);
	  break;
	}
      cp_print_value_fields (type, valaddr, 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:
      /* Do something at least vaguely reasonable, for example if the
	 language is set wrong.  */

    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;
{
  /* A "repeated" value really contains several values in a row.
     They are made by the @ operator.
     Print such values as if they were arrays.  */

  if (VALUE_REPEATED (val))
    {
      register unsigned int n = VALUE_REPETITIONS (val);
      register unsigned int typelen = TYPE_LENGTH (VALUE_TYPE (val));
      fprintf_filtered (stream, "{");
      /* Print arrays of characters using string syntax.  */
      if (typelen == 1 && TYPE_CODE (VALUE_TYPE (val)) == TYPE_CODE_INT
	  && format == 0)
	LA_PRINT_STRING (stream, VALUE_CONTENTS (val), n, 0);
      else
	{
	  value_print_array_elements (val, stream, format, pretty);
	}
      fprintf_filtered (stream, "}");
      return (n * typelen);
    }
  else
    {
      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), stream, format, 1, 0, pretty));
    }
}
Commit	Line	Data
a8a69e63	1	/* Support for printing C values for GDB, the GNU debugger.
a1a0d974	2	Copyright 1986, 1988, 1989, 1991, 1992, 1993, 1994, 1995
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
	19	Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
	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"
	29
	30	/* BEGIN-FIXME */
	31
	32	extern int vtblprint; /* Controls printing of vtbl's */
a8a69e63 FF	33
a8a69e63 FF	34	extern void
199b2450	35	cp_print_class_member PARAMS ((char , struct type , GDB_FILE , char ));
a8a69e63	36
c7da3ed3	37	extern void
199b2450	38	cp_print_class_method PARAMS ((char , struct type , GDB_FILE *));
a8a69e63 FF	39
a8a69e63 FF	40	extern void
199b2450	41	cp_print_value_fields PARAMS ((struct type , char , GDB_FILE *, int, int,
a1a0d974	42	enum val_prettyprint, struct type **, int));
a8a69e63	43
c7da3ed3 FF	44	extern int
	45	cp_is_vtbl_ptr_type PARAMS ((struct type *));
	46
a8a69e63 FF	47	extern int
	48	cp_is_vtbl_member PARAMS ((struct type *));
	49
	50	/* END-FIXME */
	51
	52
	53	/* BEGIN-FIXME: Hooks into c-typeprint.c */
	54
	55	extern void
199b2450	56	c_type_print_varspec_prefix PARAMS ((struct type , GDB_FILE , int, int));
a8a69e63 FF	57
	58	extern void
	59	cp_type_print_method_args PARAMS ((struct type *, char , char *, int,
199b2450	60	GDB_FILE *));
a8a69e63 FF	61	/* END-FIXME */
	62
	63
a8a69e63 FF	64	\f
	65	/* Print data of type TYPE located at VALADDR (within GDB), which came from
	66	the inferior at address ADDRESS, onto stdio stream STREAM according to
	67	FORMAT (a letter or 0 for natural format). The data at VALADDR is in
	68	target byte order.
	69
	70	If the data are a string pointer, returns the number of string characters
	71	printed.
	72
	73	If DEREF_REF is nonzero, then dereference references, otherwise just print
	74	them like pointers.
	75
	76	The PRETTY parameter controls prettyprinting. */
	77
	78	int
	79	c_val_print (type, valaddr, address, stream, format, deref_ref, recurse,
	80	pretty)
	81	struct type *type;
	82	char *valaddr;
	83	CORE_ADDR address;
199b2450	84	GDB_FILE *stream;
a8a69e63 FF	85	int format;
	86	int deref_ref;
	87	int recurse;
	88	enum val_prettyprint pretty;
	89	{
c4413e2c	90	register unsigned int i = 0; /* Number of characters printed */
a8a69e63 FF	91	unsigned len;
	92	struct type *elttype;
	93	unsigned eltlen;
	94	LONGEST val;
c4413e2c	95	CORE_ADDR addr;
a8a69e63 FF	96
	97	switch (TYPE_CODE (type))
	98	{
	99	case TYPE_CODE_ARRAY:
	100	if (TYPE_LENGTH (type) > 0 && TYPE_LENGTH (TYPE_TARGET_TYPE (type)) > 0)
	101	{
	102	elttype = TYPE_TARGET_TYPE (type);
	103	eltlen = TYPE_LENGTH (elttype);
	104	len = TYPE_LENGTH (type) / eltlen;
	105	if (prettyprint_arrays)
	106	{
	107	print_spaces_filtered (2 + 2 * recurse, stream);
	108	}
a8a69e63	109	/* For an array of chars, print with string syntax. */
0568ccb0 SS	110	if (eltlen == 1 &&
	111	((TYPE_CODE (elttype) == TYPE_CODE_INT)
	112	\|\| ((current_language->la_language == language_m2)
	113	&& (TYPE_CODE (elttype) == TYPE_CODE_CHAR)))
c4413e2c	114	&& (format == 0 \|\| format == 's'))
a8a69e63	115	{
0568ccb0 SS	116	/* If requested, look for the first null char and only print
	117	elements up to it. */
	118	if (stop_print_at_null)
	119	{
	120	int temp_len;
	121
	122	/* Look for a NULL char. */
	123	for (temp_len = 0;
	124	valaddr[temp_len]
	125	&& temp_len < len && temp_len < print_max;
	126	temp_len++);
	127	len = temp_len;
	128	}
	129
a8a69e63	130	LA_PRINT_STRING (stream, valaddr, len, 0);
ec16f701	131	i = len;
a8a69e63 FF	132	}
	133	else
	134	{
c4413e2c	135	fprintf_filtered (stream, "{");
a8a69e63 FF	136	/* If this is a virtual function table, print the 0th
	137	entry specially, and the rest of the members normally. */
	138	if (cp_is_vtbl_ptr_type (elttype))
	139	{
	140	i = 1;
	141	fprintf_filtered (stream, "%d vtable entries", len - 1);
	142	}
	143	else
	144	{
	145	i = 0;
	146	}
	147	val_print_array_elements (type, valaddr, address, stream,
	148	format, deref_ref, recurse, pretty, i);
c4413e2c	149	fprintf_filtered (stream, "}");
a8a69e63	150	}
a8a69e63 FF	151	break;
	152	}
	153	/* Array of unspecified length: treat like pointer to first elt. */
1326dace JK	154	addr = address;
1326dace JK	155	goto print_unpacked_pointer;
a8a69e63 FF	156
	157	case TYPE_CODE_PTR:
	158	if (format && format != 's')
	159	{
	160	print_scalar_formatted (valaddr, type, format, 0, stream);
	161	break;
	162	}
36a2283d PB	163	if (vtblprint && cp_is_vtbl_ptr_type(type))
	164	{
	165	/* Print the unmangled name if desired. */
	166	/* Print vtable entry - we only get here if we ARE using
	167	-fvtable_thunks. (Otherwise, look under TYPE_CODE_STRUCT.) */
	168	print_address_demangle(extract_address (valaddr, TYPE_LENGTH (type)),
	169	stream, demangle);
	170	break;
	171	}
a8a69e63 FF	172	if (TYPE_CODE (TYPE_TARGET_TYPE (type)) == TYPE_CODE_METHOD)
a8a69e63 FF	173	{
c7da3ed3	174	cp_print_class_method (valaddr, type, stream);
a8a69e63 FF	175	}
	176	else if (TYPE_CODE (TYPE_TARGET_TYPE (type)) == TYPE_CODE_MEMBER)
	177	{
	178	cp_print_class_member (valaddr,
	179	TYPE_DOMAIN_TYPE (TYPE_TARGET_TYPE (type)),
	180	stream, "&");
	181	}
	182	else
	183	{
c4413e2c	184	addr = unpack_pointer (type, valaddr);
1326dace	185	print_unpacked_pointer:
a8a69e63 FF	186	elttype = TYPE_TARGET_TYPE (type);
	187
	188	if (TYPE_CODE (elttype) == TYPE_CODE_FUNC)
	189	{
	190	/* Try to print what function it points to. */
	191	print_address_demangle (addr, stream, demangle);
	192	/* Return value is irrelevant except for string pointers. */
	193	return (0);
	194	}
	195
	196	if (addressprint && format != 's')
	197	{
d24c0599	198	print_address_numeric (addr, 1, stream);
a8a69e63 FF	199	}
	200
	201	/* For a pointer to char or unsigned char, also print the string
	202	pointed to, unless pointer is null. */
c4413e2c FF	203	if (TYPE_LENGTH (elttype) == 1
	204	&& TYPE_CODE (elttype) == TYPE_CODE_INT
	205	&& (format == 0 \|\| format == 's')
	206	&& addr != 0)
a8a69e63	207	{
c4413e2c	208	i = val_print_string (addr, 0, stream);
a8a69e63 FF	209	}
	210	else if (cp_is_vtbl_member(type))
	211	{
	212	/* print vtbl's nicely */
	213	CORE_ADDR vt_address = unpack_pointer (type, valaddr);
	214
	215	struct minimal_symbol *msymbol =
	216	lookup_minimal_symbol_by_pc (vt_address);
2e4964ad FF	217	if ((msymbol != NULL) &&
2e4964ad FF	218	(vt_address == SYMBOL_VALUE_ADDRESS (msymbol)))
a8a69e63 FF	219	{
a8a69e63 FF	220	fputs_filtered (" <", stream);
2e4964ad	221	fputs_filtered (SYMBOL_SOURCE_NAME (msymbol), stream);
a8a69e63 FF	222	fputs_filtered (">", stream);
a8a69e63 FF	223	}
40f24469	224	if (vt_address && vtblprint)
a8a69e63	225	{
82a2edfb	226	value_ptr vt_val;
1bd97ba8 KH	227	struct symbol wsym = (struct symbol )NULL;
	228	struct type *wtype;
	229	struct symtab *s;
	230	struct block block = (struct block )NULL;
	231	int is_this_fld;
	232
40f24469 KH	233	if (msymbol != NULL)
40f24469 KH	234	wsym = lookup_symbol (SYMBOL_NAME(msymbol), block,
1bd97ba8 KH	235	VAR_NAMESPACE, &is_this_fld, &s);
	236
	237	if (wsym)
	238	{
	239	wtype = SYMBOL_TYPE(wsym);
	240	}
	241	else
	242	{
	243	wtype = TYPE_TARGET_TYPE(type);
	244	}
	245	vt_val = value_at (wtype, vt_address);
a8a69e63 FF	246	val_print (VALUE_TYPE (vt_val), VALUE_CONTENTS (vt_val),
	247	VALUE_ADDRESS (vt_val), stream, format,
	248	deref_ref, recurse + 1, pretty);
	249	if (pretty)
	250	{
	251	fprintf_filtered (stream, "\n");
	252	print_spaces_filtered (2 + 2 * recurse, stream);
	253	}
	254	}
	255	}
	256
79f3d586 JK	257	/* Return number of characters printed, including the terminating
	258	'\0' if we reached the end. val_print_string takes care including
	259	the terminating '\0' if necessary. */
	260	return i;
a8a69e63 FF	261	}
	262	break;
	263
	264	case TYPE_CODE_MEMBER:
	265	error ("not implemented: member type in c_val_print");
	266	break;
	267
	268	case TYPE_CODE_REF:
	269	if (TYPE_CODE (TYPE_TARGET_TYPE (type)) == TYPE_CODE_MEMBER)
	270	{
	271	cp_print_class_member (valaddr,
	272	TYPE_DOMAIN_TYPE (TYPE_TARGET_TYPE (type)),
	273	stream, "");
	274	break;
	275	}
	276	if (addressprint)
	277	{
833e0d94 JK	278	fprintf_filtered (stream, "@");
	279	print_address_numeric
	280	(extract_address (valaddr,
d24c0599	281	TARGET_PTR_BIT / HOST_CHAR_BIT), 1, stream);
a8a69e63 FF	282	if (deref_ref)
	283	fputs_filtered (": ", stream);
	284	}
	285	/* De-reference the reference. */
	286	if (deref_ref)
	287	{
	288	if (TYPE_CODE (TYPE_TARGET_TYPE (type)) != TYPE_CODE_UNDEF)
	289	{
82a2edfb	290	value_ptr deref_val =
a8a69e63 FF	291	value_at
	292	(TYPE_TARGET_TYPE (type),
	293	unpack_pointer (lookup_pointer_type (builtin_type_void),
	294	valaddr));
	295	val_print (VALUE_TYPE (deref_val),
	296	VALUE_CONTENTS (deref_val),
	297	VALUE_ADDRESS (deref_val), stream, format,
	298	deref_ref, recurse + 1, pretty);
	299	}
	300	else
	301	fputs_filtered ("???", stream);
	302	}
	303	break;
	304
	305	case TYPE_CODE_UNION:
	306	if (recurse && !unionprint)
	307	{
	308	fprintf_filtered (stream, "{...}");
	309	break;
	310	}
	311	/* Fall through. */
	312	case TYPE_CODE_STRUCT:
	313	if (vtblprint && cp_is_vtbl_ptr_type(type))
	314	{
	315	/* Print the unmangled name if desired. */
36a2283d PB	316	/* Print vtable entry - we only get here if NOT using
36a2283d PB	317	-fvtable_thunks. (Otherwise, look under TYPE_CODE_PTR.) */
a8a69e63 FF	318	print_address_demangle(((int ) (valaddr + /* FIXME bytesex */
	319	TYPE_FIELD_BITPOS (type, VTBL_FNADDR_OFFSET) / 8)),
	320	stream, demangle);
	321	break;
	322	}
	323	cp_print_value_fields (type, valaddr, stream, format, recurse, pretty,
a1a0d974	324	NULL, 0);
a8a69e63 FF	325	break;
	326
	327	case TYPE_CODE_ENUM:
	328	if (format)
	329	{
	330	print_scalar_formatted (valaddr, type, format, 0, stream);
	331	break;
	332	}
	333	len = TYPE_NFIELDS (type);
1d9449ab	334	val = unpack_long (type, valaddr);
a8a69e63 FF	335	for (i = 0; i < len; i++)
	336	{
	337	QUIT;
	338	if (val == TYPE_FIELD_BITPOS (type, i))
	339	{
	340	break;
	341	}
	342	}
	343	if (i < len)
	344	{
	345	fputs_filtered (TYPE_FIELD_NAME (type, i), stream);
	346	}
	347	else
	348	{
7efb57c3	349	print_longest (stream, 'd', 0, val);
a8a69e63 FF	350	}
	351	break;
	352
	353	case TYPE_CODE_FUNC:
	354	if (format)
	355	{
	356	print_scalar_formatted (valaddr, type, format, 0, stream);
	357	break;
	358	}
	359	/* FIXME, we should consider, at least for ANSI C language, eliminating
	360	the distinction made between FUNCs and POINTERs to FUNCs. */
	361	fprintf_filtered (stream, "{");
	362	type_print (type, "", stream, -1);
	363	fprintf_filtered (stream, "} ");
	364	/* Try to print what function it points to, and its address. */
	365	print_address_demangle (address, stream, demangle);
	366	break;
	367
7e71985c JK	368	case TYPE_CODE_BOOL:
	369	/* Do something at least vaguely reasonable, for example if the
	370	language is set wrong. */
	371
85b8aa88 JK	372	case TYPE_CODE_RANGE:
	373	/* FIXME: create_range_type does not set the unsigned bit in a
	374	range type (I think it probably should copy it from the target
	375	type), so we won't print values which are too large to
	376	fit in a signed integer correctly. */
	377	/* FIXME: Doesn't handle ranges of enums correctly. (Can't just
	378	print with the target type, though, because the size of our type
	379	and the target type might differ). */
	380	/* FALLTHROUGH */
	381
a8a69e63 FF	382	case TYPE_CODE_INT:
	383	format = format ? format : output_format;
	384	if (format)
	385	{
	386	print_scalar_formatted (valaddr, type, format, 0, stream);
	387	}
	388	else
	389	{
	390	val_print_type_code_int (type, valaddr, stream);
	391	/* C and C++ has no single byte int type, char is used instead.
	392	Since we don't know whether the value is really intended to
	393	be used as an integer or a character, print the character
	394	equivalent as well. */
	395	if (TYPE_LENGTH (type) == 1)
	396	{
	397	fputs_filtered (" ", stream);
	398	LA_PRINT_CHAR ((unsigned char) unpack_long (type, valaddr),
	399	stream);
	400	}
	401	}
	402	break;
	403
	404	case TYPE_CODE_CHAR:
	405	format = format ? format : output_format;
	406	if (format)
	407	{
	408	print_scalar_formatted (valaddr, type, format, 0, stream);
	409	}
	410	else
	411	{
	412	fprintf_filtered (stream, TYPE_UNSIGNED (type) ? "%u" : "%d",
	413	unpack_long (type, valaddr));
	414	fputs_filtered (" ", stream);
	415	LA_PRINT_CHAR ((unsigned char) unpack_long (type, valaddr), stream);
	416	}
	417	break;
	418
	419	case TYPE_CODE_FLT:
	420	if (format)
	421	{
	422	print_scalar_formatted (valaddr, type, format, 0, stream);
	423	}
	424	else
	425	{
	426	print_floating (valaddr, type, stream);
	427	}
	428	break;
	429
	430	case TYPE_CODE_VOID:
	431	fprintf_filtered (stream, "void");
	432	break;
	433
	434	case TYPE_CODE_ERROR:
	435	fprintf_filtered (stream, "<error type>");
	436	break;
	437
a8a69e63 FF	438	case TYPE_CODE_UNDEF:
	439	/* This happens (without TYPE_FLAG_STUB set) on systems which don't use
	440	dbx xrefs (NO_DBX_XREFS in gcc) if a file has a "struct foo *bar"
	441	and no complete type for struct foo in that file. */
	442	fprintf_filtered (stream, "<incomplete type>");
	443	break;
	444
	445	default:
	446	error ("Invalid C/C++ type code %d in symbol table.", TYPE_CODE (type));
	447	}
199b2450	448	gdb_flush (stream);
a8a69e63 FF	449	return (0);
a8a69e63 FF	450	}
e10cfcaa PB	451	\f
	452	int
	453	c_value_print (val, stream, format, pretty)
	454	value_ptr val;
	455	GDB_FILE *stream;
	456	int format;
	457	enum val_prettyprint pretty;
	458	{
	459	/* A "repeated" value really contains several values in a row.
	460	They are made by the @ operator.
	461	Print such values as if they were arrays. */
	462
	463	if (VALUE_REPEATED (val))
	464	{
	465	register unsigned int n = VALUE_REPETITIONS (val);
	466	register unsigned int typelen = TYPE_LENGTH (VALUE_TYPE (val));
	467	fprintf_filtered (stream, "{");
	468	/* Print arrays of characters using string syntax. */
	469	if (typelen == 1 && TYPE_CODE (VALUE_TYPE (val)) == TYPE_CODE_INT
	470	&& format == 0)
	471	LA_PRINT_STRING (stream, VALUE_CONTENTS (val), n, 0);
	472	else
	473	{
	474	value_print_array_elements (val, stream, format, pretty);
	475	}
	476	fprintf_filtered (stream, "}");
	477	return (n * typelen);
	478	}
	479	else
	480	{
	481	struct type *type = VALUE_TYPE (val);
	482
	483	/* If it is a pointer, indicate what it points to.
	484
	485	Print type also if it is a reference.
	486
	487	C++: if it is a member pointer, we will take care
	488	of that when we print it. */
	489	if (TYPE_CODE (type) == TYPE_CODE_PTR \|\|
	490	TYPE_CODE (type) == TYPE_CODE_REF)
	491	{
	492	/* Hack: remove (char *) for char strings. Their
	493	type is indicated by the quoted string anyway. */
	494	if (TYPE_CODE (type) == TYPE_CODE_PTR &&
c50e36c2 PS	495	TYPE_NAME (type) == NULL &&
	496	TYPE_NAME (TYPE_TARGET_TYPE (type)) != NULL &&
	497	STREQ (TYPE_NAME (TYPE_TARGET_TYPE (type)), "char"))
e10cfcaa PB	498	{
	499	/* Print nothing */
	500	}
	501	else
	502	{
	503	fprintf_filtered (stream, "(");
	504	type_print (type, "", stream, -1);
	505	fprintf_filtered (stream, ") ");
	506	}
	507	}
	508	return (val_print (type, VALUE_CONTENTS (val),
	509	VALUE_ADDRESS (val), stream, format, 1, 0, pretty));
	510	}
	511	}