[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 int demangle;		/* whether to print C++ syms raw or src-form */

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
	      && (format == 0 || format == 's'))
	    {
	      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_LENGTH (TYPE_TARGET_TYPE (type)) == sizeof(char) &&
	      TYPE_CODE (TYPE_TARGET_TYPE (type)) == TYPE_CODE_INT &&
	      !TYPE_UNSIGNED (TYPE_TARGET_TYPE (type)))
	    {
		/* 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 PS	2	Copyright 1986, 1988, 1989, 1991, 1992, 1993, 1994
67e9b3b3 PS	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 */
	33	extern int demangle; /* whether to print C++ syms raw or src-form */
	34
	35	extern void
199b2450	36	cp_print_class_member PARAMS ((char , struct type , GDB_FILE , char ));
a8a69e63	37
c7da3ed3	38	extern void
199b2450	39	cp_print_class_method PARAMS ((char , struct type , GDB_FILE *));
a8a69e63 FF	40
a8a69e63 FF	41	extern void
199b2450	42	cp_print_value_fields PARAMS ((struct type , char , GDB_FILE *, int, int,
a8a69e63 FF	43	enum val_prettyprint, struct type **));
a8a69e63 FF	44
c7da3ed3 FF	45	extern int
	46	cp_is_vtbl_ptr_type PARAMS ((struct type *));
	47
a8a69e63 FF	48	extern int
	49	cp_is_vtbl_member PARAMS ((struct type *));
	50
	51	/* END-FIXME */
	52
	53
	54	/* BEGIN-FIXME: Hooks into c-typeprint.c */
	55
	56	extern void
199b2450	57	c_type_print_varspec_prefix PARAMS ((struct type , GDB_FILE , int, int));
a8a69e63 FF	58
	59	extern void
	60	cp_type_print_method_args PARAMS ((struct type *, char , char *, int,
199b2450	61	GDB_FILE *));
a8a69e63 FF	62	/* END-FIXME */
	63
	64
	65	extern struct obstack dont_print_obstack;
	66
	67	\f
	68	/* Print data of type TYPE located at VALADDR (within GDB), which came from
	69	the inferior at address ADDRESS, onto stdio stream STREAM according to
	70	FORMAT (a letter or 0 for natural format). The data at VALADDR is in
	71	target byte order.
	72
	73	If the data are a string pointer, returns the number of string characters
	74	printed.
	75
	76	If DEREF_REF is nonzero, then dereference references, otherwise just print
	77	them like pointers.
	78
	79	The PRETTY parameter controls prettyprinting. */
	80
	81	int
	82	c_val_print (type, valaddr, address, stream, format, deref_ref, recurse,
	83	pretty)
	84	struct type *type;
	85	char *valaddr;
	86	CORE_ADDR address;
199b2450	87	GDB_FILE *stream;
a8a69e63 FF	88	int format;
	89	int deref_ref;
	90	int recurse;
	91	enum val_prettyprint pretty;
	92	{
c4413e2c	93	register unsigned int i = 0; /* Number of characters printed */
a8a69e63 FF	94	unsigned len;
	95	struct type *elttype;
	96	unsigned eltlen;
	97	LONGEST val;
c4413e2c	98	CORE_ADDR addr;
a8a69e63 FF	99
	100	switch (TYPE_CODE (type))
	101	{
	102	case TYPE_CODE_ARRAY:
	103	if (TYPE_LENGTH (type) > 0 && TYPE_LENGTH (TYPE_TARGET_TYPE (type)) > 0)
	104	{
	105	elttype = TYPE_TARGET_TYPE (type);
	106	eltlen = TYPE_LENGTH (elttype);
	107	len = TYPE_LENGTH (type) / eltlen;
	108	if (prettyprint_arrays)
	109	{
	110	print_spaces_filtered (2 + 2 * recurse, stream);
	111	}
a8a69e63 FF	112	/* For an array of chars, print with string syntax. */
a8a69e63 FF	113	if (eltlen == 1 && TYPE_CODE (elttype) == TYPE_CODE_INT
c4413e2c	114	&& (format == 0 \|\| format == 's'))
a8a69e63 FF	115	{
a8a69e63 FF	116	LA_PRINT_STRING (stream, valaddr, len, 0);
ec16f701	117	i = len;
a8a69e63 FF	118	}
	119	else
	120	{
c4413e2c	121	fprintf_filtered (stream, "{");
a8a69e63 FF	122	/* If this is a virtual function table, print the 0th
	123	entry specially, and the rest of the members normally. */
	124	if (cp_is_vtbl_ptr_type (elttype))
	125	{
	126	i = 1;
	127	fprintf_filtered (stream, "%d vtable entries", len - 1);
	128	}
	129	else
	130	{
	131	i = 0;
	132	}
	133	val_print_array_elements (type, valaddr, address, stream,
	134	format, deref_ref, recurse, pretty, i);
c4413e2c	135	fprintf_filtered (stream, "}");
a8a69e63	136	}
a8a69e63 FF	137	break;
	138	}
	139	/* Array of unspecified length: treat like pointer to first elt. */
1326dace JK	140	addr = address;
1326dace JK	141	goto print_unpacked_pointer;
a8a69e63 FF	142
	143	case TYPE_CODE_PTR:
	144	if (format && format != 's')
	145	{
	146	print_scalar_formatted (valaddr, type, format, 0, stream);
	147	break;
	148	}
36a2283d PB	149	if (vtblprint && cp_is_vtbl_ptr_type(type))
	150	{
	151	/* Print the unmangled name if desired. */
	152	/* Print vtable entry - we only get here if we ARE using
	153	-fvtable_thunks. (Otherwise, look under TYPE_CODE_STRUCT.) */
	154	print_address_demangle(extract_address (valaddr, TYPE_LENGTH (type)),
	155	stream, demangle);
	156	break;
	157	}
a8a69e63 FF	158	if (TYPE_CODE (TYPE_TARGET_TYPE (type)) == TYPE_CODE_METHOD)
a8a69e63 FF	159	{
c7da3ed3	160	cp_print_class_method (valaddr, type, stream);
a8a69e63 FF	161	}
	162	else if (TYPE_CODE (TYPE_TARGET_TYPE (type)) == TYPE_CODE_MEMBER)
	163	{
	164	cp_print_class_member (valaddr,
	165	TYPE_DOMAIN_TYPE (TYPE_TARGET_TYPE (type)),
	166	stream, "&");
	167	}
	168	else
	169	{
c4413e2c	170	addr = unpack_pointer (type, valaddr);
1326dace	171	print_unpacked_pointer:
a8a69e63 FF	172	elttype = TYPE_TARGET_TYPE (type);
	173
	174	if (TYPE_CODE (elttype) == TYPE_CODE_FUNC)
	175	{
	176	/* Try to print what function it points to. */
	177	print_address_demangle (addr, stream, demangle);
	178	/* Return value is irrelevant except for string pointers. */
	179	return (0);
	180	}
	181
	182	if (addressprint && format != 's')
	183	{
d24c0599	184	print_address_numeric (addr, 1, stream);
a8a69e63 FF	185	}
	186
	187	/* For a pointer to char or unsigned char, also print the string
	188	pointed to, unless pointer is null. */
c4413e2c FF	189	if (TYPE_LENGTH (elttype) == 1
	190	&& TYPE_CODE (elttype) == TYPE_CODE_INT
	191	&& (format == 0 \|\| format == 's')
	192	&& addr != 0)
a8a69e63	193	{
c4413e2c	194	i = val_print_string (addr, 0, stream);
a8a69e63 FF	195	}
	196	else if (cp_is_vtbl_member(type))
	197	{
	198	/* print vtbl's nicely */
	199	CORE_ADDR vt_address = unpack_pointer (type, valaddr);
	200
	201	struct minimal_symbol *msymbol =
	202	lookup_minimal_symbol_by_pc (vt_address);
2e4964ad FF	203	if ((msymbol != NULL) &&
2e4964ad FF	204	(vt_address == SYMBOL_VALUE_ADDRESS (msymbol)))
a8a69e63 FF	205	{
a8a69e63 FF	206	fputs_filtered (" <", stream);
2e4964ad	207	fputs_filtered (SYMBOL_SOURCE_NAME (msymbol), stream);
a8a69e63 FF	208	fputs_filtered (">", stream);
a8a69e63 FF	209	}
40f24469	210	if (vt_address && vtblprint)
a8a69e63	211	{
82a2edfb	212	value_ptr vt_val;
1bd97ba8 KH	213	struct symbol wsym = (struct symbol )NULL;
	214	struct type *wtype;
	215	struct symtab *s;
	216	struct block block = (struct block )NULL;
	217	int is_this_fld;
	218
40f24469 KH	219	if (msymbol != NULL)
40f24469 KH	220	wsym = lookup_symbol (SYMBOL_NAME(msymbol), block,
1bd97ba8 KH	221	VAR_NAMESPACE, &is_this_fld, &s);
	222
	223	if (wsym)
	224	{
	225	wtype = SYMBOL_TYPE(wsym);
	226	}
	227	else
	228	{
	229	wtype = TYPE_TARGET_TYPE(type);
	230	}
	231	vt_val = value_at (wtype, vt_address);
a8a69e63 FF	232	val_print (VALUE_TYPE (vt_val), VALUE_CONTENTS (vt_val),
	233	VALUE_ADDRESS (vt_val), stream, format,
	234	deref_ref, recurse + 1, pretty);
	235	if (pretty)
	236	{
	237	fprintf_filtered (stream, "\n");
	238	print_spaces_filtered (2 + 2 * recurse, stream);
	239	}
	240	}
	241	}
	242
79f3d586 JK	243	/* Return number of characters printed, including the terminating
	244	'\0' if we reached the end. val_print_string takes care including
	245	the terminating '\0' if necessary. */
	246	return i;
a8a69e63 FF	247	}
	248	break;
	249
	250	case TYPE_CODE_MEMBER:
	251	error ("not implemented: member type in c_val_print");
	252	break;
	253
	254	case TYPE_CODE_REF:
	255	if (TYPE_CODE (TYPE_TARGET_TYPE (type)) == TYPE_CODE_MEMBER)
	256	{
	257	cp_print_class_member (valaddr,
	258	TYPE_DOMAIN_TYPE (TYPE_TARGET_TYPE (type)),
	259	stream, "");
	260	break;
	261	}
	262	if (addressprint)
	263	{
833e0d94 JK	264	fprintf_filtered (stream, "@");
	265	print_address_numeric
	266	(extract_address (valaddr,
d24c0599	267	TARGET_PTR_BIT / HOST_CHAR_BIT), 1, stream);
a8a69e63 FF	268	if (deref_ref)
	269	fputs_filtered (": ", stream);
	270	}
	271	/* De-reference the reference. */
	272	if (deref_ref)
	273	{
	274	if (TYPE_CODE (TYPE_TARGET_TYPE (type)) != TYPE_CODE_UNDEF)
	275	{
82a2edfb	276	value_ptr deref_val =
a8a69e63 FF	277	value_at
	278	(TYPE_TARGET_TYPE (type),
	279	unpack_pointer (lookup_pointer_type (builtin_type_void),
	280	valaddr));
	281	val_print (VALUE_TYPE (deref_val),
	282	VALUE_CONTENTS (deref_val),
	283	VALUE_ADDRESS (deref_val), stream, format,
	284	deref_ref, recurse + 1, pretty);
	285	}
	286	else
	287	fputs_filtered ("???", stream);
	288	}
	289	break;
	290
	291	case TYPE_CODE_UNION:
	292	if (recurse && !unionprint)
	293	{
	294	fprintf_filtered (stream, "{...}");
	295	break;
	296	}
	297	/* Fall through. */
	298	case TYPE_CODE_STRUCT:
	299	if (vtblprint && cp_is_vtbl_ptr_type(type))
	300	{
	301	/* Print the unmangled name if desired. */
36a2283d PB	302	/* Print vtable entry - we only get here if NOT using
36a2283d PB	303	-fvtable_thunks. (Otherwise, look under TYPE_CODE_PTR.) */
a8a69e63 FF	304	print_address_demangle(((int ) (valaddr + /* FIXME bytesex */
	305	TYPE_FIELD_BITPOS (type, VTBL_FNADDR_OFFSET) / 8)),
	306	stream, demangle);
	307	break;
	308	}
	309	cp_print_value_fields (type, valaddr, stream, format, recurse, pretty,
	310	0);
	311	break;
	312
	313	case TYPE_CODE_ENUM:
	314	if (format)
	315	{
	316	print_scalar_formatted (valaddr, type, format, 0, stream);
	317	break;
	318	}
	319	len = TYPE_NFIELDS (type);
1d9449ab	320	val = unpack_long (type, valaddr);
a8a69e63 FF	321	for (i = 0; i < len; i++)
	322	{
	323	QUIT;
	324	if (val == TYPE_FIELD_BITPOS (type, i))
	325	{
	326	break;
	327	}
	328	}
	329	if (i < len)
	330	{
	331	fputs_filtered (TYPE_FIELD_NAME (type, i), stream);
	332	}
	333	else
	334	{
7efb57c3	335	print_longest (stream, 'd', 0, val);
a8a69e63 FF	336	}
	337	break;
	338
	339	case TYPE_CODE_FUNC:
	340	if (format)
	341	{
	342	print_scalar_formatted (valaddr, type, format, 0, stream);
	343	break;
	344	}
	345	/* FIXME, we should consider, at least for ANSI C language, eliminating
	346	the distinction made between FUNCs and POINTERs to FUNCs. */
	347	fprintf_filtered (stream, "{");
	348	type_print (type, "", stream, -1);
	349	fprintf_filtered (stream, "} ");
	350	/* Try to print what function it points to, and its address. */
	351	print_address_demangle (address, stream, demangle);
	352	break;
	353
7e71985c JK	354	case TYPE_CODE_BOOL:
	355	/* Do something at least vaguely reasonable, for example if the
	356	language is set wrong. */
	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	{
	445	/* A "repeated" value really contains several values in a row.
	446	They are made by the @ operator.
	447	Print such values as if they were arrays. */
	448
	449	if (VALUE_REPEATED (val))
	450	{
	451	register unsigned int n = VALUE_REPETITIONS (val);
	452	register unsigned int typelen = TYPE_LENGTH (VALUE_TYPE (val));
	453	fprintf_filtered (stream, "{");
	454	/* Print arrays of characters using string syntax. */
	455	if (typelen == 1 && TYPE_CODE (VALUE_TYPE (val)) == TYPE_CODE_INT
	456	&& format == 0)
	457	LA_PRINT_STRING (stream, VALUE_CONTENTS (val), n, 0);
	458	else
	459	{
	460	value_print_array_elements (val, stream, format, pretty);
	461	}
	462	fprintf_filtered (stream, "}");
	463	return (n * typelen);
	464	}
	465	else
	466	{
	467	struct type *type = VALUE_TYPE (val);
	468
	469	/* If it is a pointer, indicate what it points to.
	470
	471	Print type also if it is a reference.
	472
	473	C++: if it is a member pointer, we will take care
	474	of that when we print it. */
	475	if (TYPE_CODE (type) == TYPE_CODE_PTR \|\|
	476	TYPE_CODE (type) == TYPE_CODE_REF)
	477	{
	478	/* Hack: remove (char *) for char strings. Their
	479	type is indicated by the quoted string anyway. */
	480	if (TYPE_CODE (type) == TYPE_CODE_PTR &&
	481	TYPE_LENGTH (TYPE_TARGET_TYPE (type)) == sizeof(char) &&
	482	TYPE_CODE (TYPE_TARGET_TYPE (type)) == TYPE_CODE_INT &&
	483	!TYPE_UNSIGNED (TYPE_TARGET_TYPE (type)))
	484	{
	485	/* Print nothing */
	486	}
	487	else
	488	{
	489	fprintf_filtered (stream, "(");
	490	type_print (type, "", stream, -1);
	491	fprintf_filtered (stream, ") ");
	492	}
	493	}
	494	return (val_print (type, VALUE_CONTENTS (val),
	495	VALUE_ADDRESS (val), stream, format, 1, 0, pretty));
	496	}
	497	}