[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
             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 **));

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 */


extern struct obstack dont_print_obstack;

\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,
			     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.
67e9b3b3	2	Copyright 1986, 1988, 1989, 1991, 1992, 1993, 1994
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,
a8a69e63 FF	42	enum val_prettyprint, struct type **));
a8a69e63 FF	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
	64	extern struct obstack dont_print_obstack;
	65
	66	\f
	67	/* Print data of type TYPE located at VALADDR (within GDB), which came from
	68	the inferior at address ADDRESS, onto stdio stream STREAM according to
	69	FORMAT (a letter or 0 for natural format). The data at VALADDR is in
	70	target byte order.
	71
	72	If the data are a string pointer, returns the number of string characters
	73	printed.
	74
	75	If DEREF_REF is nonzero, then dereference references, otherwise just print
	76	them like pointers.
	77
	78	The PRETTY parameter controls prettyprinting. */
	79
	80	int
	81	c_val_print (type, valaddr, address, stream, format, deref_ref, recurse,
	82	pretty)
	83	struct type *type;
	84	char *valaddr;
	85	CORE_ADDR address;
199b2450	86	GDB_FILE *stream;
a8a69e63 FF	87	int format;
	88	int deref_ref;
	89	int recurse;
	90	enum val_prettyprint pretty;
	91	{
c4413e2c	92	register unsigned int i = 0; /* Number of characters printed */
a8a69e63 FF	93	unsigned len;
	94	struct type *elttype;
	95	unsigned eltlen;
	96	LONGEST val;
c4413e2c	97	CORE_ADDR addr;
a8a69e63 FF	98
	99	switch (TYPE_CODE (type))
	100	{
	101	case TYPE_CODE_ARRAY:
	102	if (TYPE_LENGTH (type) > 0 && TYPE_LENGTH (TYPE_TARGET_TYPE (type)) > 0)
	103	{
	104	elttype = TYPE_TARGET_TYPE (type);
	105	eltlen = TYPE_LENGTH (elttype);
	106	len = TYPE_LENGTH (type) / eltlen;
	107	if (prettyprint_arrays)
	108	{
	109	print_spaces_filtered (2 + 2 * recurse, stream);
	110	}
a8a69e63	111	/* For an array of chars, print with string syntax. */
0568ccb0 SS	112	if (eltlen == 1 &&
	113	((TYPE_CODE (elttype) == TYPE_CODE_INT)
	114	\|\| ((current_language->la_language == language_m2)
	115	&& (TYPE_CODE (elttype) == TYPE_CODE_CHAR)))
c4413e2c	116	&& (format == 0 \|\| format == 's'))
a8a69e63	117	{
0568ccb0 SS	118	/* If requested, look for the first null char and only print
	119	elements up to it. */
	120	if (stop_print_at_null)
	121	{
	122	int temp_len;
	123
	124	/* Look for a NULL char. */
	125	for (temp_len = 0;
	126	valaddr[temp_len]
	127	&& temp_len < len && temp_len < print_max;
	128	temp_len++);
	129	len = temp_len;
	130	}
	131
a8a69e63	132	LA_PRINT_STRING (stream, valaddr, len, 0);
ec16f701	133	i = len;
a8a69e63 FF	134	}
	135	else
	136	{
c4413e2c	137	fprintf_filtered (stream, "{");
a8a69e63 FF	138	/* If this is a virtual function table, print the 0th
	139	entry specially, and the rest of the members normally. */
	140	if (cp_is_vtbl_ptr_type (elttype))
	141	{
	142	i = 1;
	143	fprintf_filtered (stream, "%d vtable entries", len - 1);
	144	}
	145	else
	146	{
	147	i = 0;
	148	}
	149	val_print_array_elements (type, valaddr, address, stream,
	150	format, deref_ref, recurse, pretty, i);
c4413e2c	151	fprintf_filtered (stream, "}");
a8a69e63	152	}
a8a69e63 FF	153	break;
	154	}
	155	/* Array of unspecified length: treat like pointer to first elt. */
1326dace JK	156	addr = address;
1326dace JK	157	goto print_unpacked_pointer;
a8a69e63 FF	158
	159	case TYPE_CODE_PTR:
	160	if (format && format != 's')
	161	{
	162	print_scalar_formatted (valaddr, type, format, 0, stream);
	163	break;
	164	}
36a2283d PB	165	if (vtblprint && cp_is_vtbl_ptr_type(type))
	166	{
	167	/* Print the unmangled name if desired. */
	168	/* Print vtable entry - we only get here if we ARE using
	169	-fvtable_thunks. (Otherwise, look under TYPE_CODE_STRUCT.) */
	170	print_address_demangle(extract_address (valaddr, TYPE_LENGTH (type)),
	171	stream, demangle);
	172	break;
	173	}
a8a69e63 FF	174	if (TYPE_CODE (TYPE_TARGET_TYPE (type)) == TYPE_CODE_METHOD)
a8a69e63 FF	175	{
c7da3ed3	176	cp_print_class_method (valaddr, type, stream);
a8a69e63 FF	177	}
	178	else if (TYPE_CODE (TYPE_TARGET_TYPE (type)) == TYPE_CODE_MEMBER)
	179	{
	180	cp_print_class_member (valaddr,
	181	TYPE_DOMAIN_TYPE (TYPE_TARGET_TYPE (type)),
	182	stream, "&");
	183	}
	184	else
	185	{
c4413e2c	186	addr = unpack_pointer (type, valaddr);
1326dace	187	print_unpacked_pointer:
a8a69e63 FF	188	elttype = TYPE_TARGET_TYPE (type);
	189
	190	if (TYPE_CODE (elttype) == TYPE_CODE_FUNC)
	191	{
	192	/* Try to print what function it points to. */
	193	print_address_demangle (addr, stream, demangle);
	194	/* Return value is irrelevant except for string pointers. */
	195	return (0);
	196	}
	197
	198	if (addressprint && format != 's')
	199	{
d24c0599	200	print_address_numeric (addr, 1, stream);
a8a69e63 FF	201	}
	202
	203	/* For a pointer to char or unsigned char, also print the string
	204	pointed to, unless pointer is null. */
c4413e2c FF	205	if (TYPE_LENGTH (elttype) == 1
	206	&& TYPE_CODE (elttype) == TYPE_CODE_INT
	207	&& (format == 0 \|\| format == 's')
	208	&& addr != 0)
a8a69e63	209	{
c4413e2c	210	i = val_print_string (addr, 0, stream);
a8a69e63 FF	211	}
	212	else if (cp_is_vtbl_member(type))
	213	{
	214	/* print vtbl's nicely */
	215	CORE_ADDR vt_address = unpack_pointer (type, valaddr);
	216
	217	struct minimal_symbol *msymbol =
	218	lookup_minimal_symbol_by_pc (vt_address);
2e4964ad FF	219	if ((msymbol != NULL) &&
2e4964ad FF	220	(vt_address == SYMBOL_VALUE_ADDRESS (msymbol)))
a8a69e63 FF	221	{
a8a69e63 FF	222	fputs_filtered (" <", stream);
2e4964ad	223	fputs_filtered (SYMBOL_SOURCE_NAME (msymbol), stream);
a8a69e63 FF	224	fputs_filtered (">", stream);
a8a69e63 FF	225	}
40f24469	226	if (vt_address && vtblprint)
a8a69e63	227	{
82a2edfb	228	value_ptr vt_val;
1bd97ba8 KH	229	struct symbol wsym = (struct symbol )NULL;
	230	struct type *wtype;
	231	struct symtab *s;
	232	struct block block = (struct block )NULL;
	233	int is_this_fld;
	234
40f24469 KH	235	if (msymbol != NULL)
40f24469 KH	236	wsym = lookup_symbol (SYMBOL_NAME(msymbol), block,
1bd97ba8 KH	237	VAR_NAMESPACE, &is_this_fld, &s);
	238
	239	if (wsym)
	240	{
	241	wtype = SYMBOL_TYPE(wsym);
	242	}
	243	else
	244	{
	245	wtype = TYPE_TARGET_TYPE(type);
	246	}
	247	vt_val = value_at (wtype, vt_address);
a8a69e63 FF	248	val_print (VALUE_TYPE (vt_val), VALUE_CONTENTS (vt_val),
	249	VALUE_ADDRESS (vt_val), stream, format,
	250	deref_ref, recurse + 1, pretty);
	251	if (pretty)
	252	{
	253	fprintf_filtered (stream, "\n");
	254	print_spaces_filtered (2 + 2 * recurse, stream);
	255	}
	256	}
	257	}
	258
79f3d586 JK	259	/* Return number of characters printed, including the terminating
	260	'\0' if we reached the end. val_print_string takes care including
	261	the terminating '\0' if necessary. */
	262	return i;
a8a69e63 FF	263	}
	264	break;
	265
	266	case TYPE_CODE_MEMBER:
	267	error ("not implemented: member type in c_val_print");
	268	break;
	269
	270	case TYPE_CODE_REF:
	271	if (TYPE_CODE (TYPE_TARGET_TYPE (type)) == TYPE_CODE_MEMBER)
	272	{
	273	cp_print_class_member (valaddr,
	274	TYPE_DOMAIN_TYPE (TYPE_TARGET_TYPE (type)),
	275	stream, "");
	276	break;
	277	}
	278	if (addressprint)
	279	{
833e0d94 JK	280	fprintf_filtered (stream, "@");
	281	print_address_numeric
	282	(extract_address (valaddr,
d24c0599	283	TARGET_PTR_BIT / HOST_CHAR_BIT), 1, stream);
a8a69e63 FF	284	if (deref_ref)
	285	fputs_filtered (": ", stream);
	286	}
	287	/* De-reference the reference. */
	288	if (deref_ref)
	289	{
	290	if (TYPE_CODE (TYPE_TARGET_TYPE (type)) != TYPE_CODE_UNDEF)
	291	{
82a2edfb	292	value_ptr deref_val =
a8a69e63 FF	293	value_at
	294	(TYPE_TARGET_TYPE (type),
	295	unpack_pointer (lookup_pointer_type (builtin_type_void),
	296	valaddr));
	297	val_print (VALUE_TYPE (deref_val),
	298	VALUE_CONTENTS (deref_val),
	299	VALUE_ADDRESS (deref_val), stream, format,
	300	deref_ref, recurse + 1, pretty);
	301	}
	302	else
	303	fputs_filtered ("???", stream);
	304	}
	305	break;
	306
	307	case TYPE_CODE_UNION:
	308	if (recurse && !unionprint)
	309	{
	310	fprintf_filtered (stream, "{...}");
	311	break;
	312	}
	313	/* Fall through. */
	314	case TYPE_CODE_STRUCT:
	315	if (vtblprint && cp_is_vtbl_ptr_type(type))
	316	{
	317	/* Print the unmangled name if desired. */
36a2283d PB	318	/* Print vtable entry - we only get here if NOT using
36a2283d PB	319	-fvtable_thunks. (Otherwise, look under TYPE_CODE_PTR.) */
a8a69e63 FF	320	print_address_demangle(((int ) (valaddr + /* FIXME bytesex */
	321	TYPE_FIELD_BITPOS (type, VTBL_FNADDR_OFFSET) / 8)),
	322	stream, demangle);
	323	break;
	324	}
	325	cp_print_value_fields (type, valaddr, stream, format, recurse, pretty,
	326	0);
	327	break;
	328
	329	case TYPE_CODE_ENUM:
	330	if (format)
	331	{
	332	print_scalar_formatted (valaddr, type, format, 0, stream);
	333	break;
	334	}
	335	len = TYPE_NFIELDS (type);
1d9449ab	336	val = unpack_long (type, valaddr);
a8a69e63 FF	337	for (i = 0; i < len; i++)
	338	{
	339	QUIT;
	340	if (val == TYPE_FIELD_BITPOS (type, i))
	341	{
	342	break;
	343	}
	344	}
	345	if (i < len)
	346	{
	347	fputs_filtered (TYPE_FIELD_NAME (type, i), stream);
	348	}
	349	else
	350	{
7efb57c3	351	print_longest (stream, 'd', 0, val);
a8a69e63 FF	352	}
	353	break;
	354
	355	case TYPE_CODE_FUNC:
	356	if (format)
	357	{
	358	print_scalar_formatted (valaddr, type, format, 0, stream);
	359	break;
	360	}
	361	/* FIXME, we should consider, at least for ANSI C language, eliminating
	362	the distinction made between FUNCs and POINTERs to FUNCs. */
	363	fprintf_filtered (stream, "{");
	364	type_print (type, "", stream, -1);
	365	fprintf_filtered (stream, "} ");
	366	/* Try to print what function it points to, and its address. */
	367	print_address_demangle (address, stream, demangle);
	368	break;
	369
7e71985c JK	370	case TYPE_CODE_BOOL:
	371	/* Do something at least vaguely reasonable, for example if the
	372	language is set wrong. */
	373
85b8aa88 JK	374	case TYPE_CODE_RANGE:
	375	/* FIXME: create_range_type does not set the unsigned bit in a
	376	range type (I think it probably should copy it from the target
	377	type), so we won't print values which are too large to
	378	fit in a signed integer correctly. */
	379	/* FIXME: Doesn't handle ranges of enums correctly. (Can't just
	380	print with the target type, though, because the size of our type
	381	and the target type might differ). */
	382	/* FALLTHROUGH */
	383
a8a69e63 FF	384	case TYPE_CODE_INT:
	385	format = format ? format : output_format;
	386	if (format)
	387	{
	388	print_scalar_formatted (valaddr, type, format, 0, stream);
	389	}
	390	else
	391	{
	392	val_print_type_code_int (type, valaddr, stream);
	393	/* C and C++ has no single byte int type, char is used instead.
	394	Since we don't know whether the value is really intended to
	395	be used as an integer or a character, print the character
	396	equivalent as well. */
	397	if (TYPE_LENGTH (type) == 1)
	398	{
	399	fputs_filtered (" ", stream);
	400	LA_PRINT_CHAR ((unsigned char) unpack_long (type, valaddr),
	401	stream);
	402	}
	403	}
	404	break;
	405
	406	case TYPE_CODE_CHAR:
	407	format = format ? format : output_format;
	408	if (format)
	409	{
	410	print_scalar_formatted (valaddr, type, format, 0, stream);
	411	}
	412	else
	413	{
	414	fprintf_filtered (stream, TYPE_UNSIGNED (type) ? "%u" : "%d",
	415	unpack_long (type, valaddr));
	416	fputs_filtered (" ", stream);
	417	LA_PRINT_CHAR ((unsigned char) unpack_long (type, valaddr), stream);
	418	}
	419	break;
	420
	421	case TYPE_CODE_FLT:
	422	if (format)
	423	{
	424	print_scalar_formatted (valaddr, type, format, 0, stream);
	425	}
	426	else
	427	{
	428	print_floating (valaddr, type, stream);
	429	}
	430	break;
	431
	432	case TYPE_CODE_VOID:
	433	fprintf_filtered (stream, "void");
	434	break;
	435
	436	case TYPE_CODE_ERROR:
	437	fprintf_filtered (stream, "<error type>");
	438	break;
	439
a8a69e63 FF	440	case TYPE_CODE_UNDEF:
	441	/* This happens (without TYPE_FLAG_STUB set) on systems which don't use
	442	dbx xrefs (NO_DBX_XREFS in gcc) if a file has a "struct foo *bar"
	443	and no complete type for struct foo in that file. */
	444	fprintf_filtered (stream, "<incomplete type>");
	445	break;
	446
	447	default:
	448	error ("Invalid C/C++ type code %d in symbol table.", TYPE_CODE (type));
	449	}
199b2450	450	gdb_flush (stream);
a8a69e63 FF	451	return (0);
a8a69e63 FF	452	}
e10cfcaa PB	453	\f
	454	int
	455	c_value_print (val, stream, format, pretty)
	456	value_ptr val;
	457	GDB_FILE *stream;
	458	int format;
	459	enum val_prettyprint pretty;
	460	{
	461	/* A "repeated" value really contains several values in a row.
	462	They are made by the @ operator.
	463	Print such values as if they were arrays. */
	464
	465	if (VALUE_REPEATED (val))
	466	{
	467	register unsigned int n = VALUE_REPETITIONS (val);
	468	register unsigned int typelen = TYPE_LENGTH (VALUE_TYPE (val));
	469	fprintf_filtered (stream, "{");
	470	/* Print arrays of characters using string syntax. */
	471	if (typelen == 1 && TYPE_CODE (VALUE_TYPE (val)) == TYPE_CODE_INT
	472	&& format == 0)
	473	LA_PRINT_STRING (stream, VALUE_CONTENTS (val), n, 0);
	474	else
	475	{
	476	value_print_array_elements (val, stream, format, pretty);
	477	}
	478	fprintf_filtered (stream, "}");
	479	return (n * typelen);
	480	}
	481	else
	482	{
	483	struct type *type = VALUE_TYPE (val);
	484
	485	/* If it is a pointer, indicate what it points to.
	486
	487	Print type also if it is a reference.
	488
	489	C++: if it is a member pointer, we will take care
	490	of that when we print it. */
	491	if (TYPE_CODE (type) == TYPE_CODE_PTR \|\|
	492	TYPE_CODE (type) == TYPE_CODE_REF)
	493	{
	494	/* Hack: remove (char *) for char strings. Their
	495	type is indicated by the quoted string anyway. */
	496	if (TYPE_CODE (type) == TYPE_CODE_PTR &&
c50e36c2 PS	497	TYPE_NAME (type) == NULL &&
	498	TYPE_NAME (TYPE_TARGET_TYPE (type)) != NULL &&
	499	STREQ (TYPE_NAME (TYPE_TARGET_TYPE (type)), "char"))
e10cfcaa PB	500	{
	501	/* Print nothing */
	502	}
	503	else
	504	{
	505	fprintf_filtered (stream, "(");
	506	type_print (type, "", stream, -1);
	507	fprintf_filtered (stream, ") ");
	508	}
	509	}
	510	return (val_print (type, VALUE_CONTENTS (val),
	511	VALUE_ADDRESS (val), stream, format, 1, 0, pretty));
	512	}
	513	}