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

/* Support for printing Java values for GDB, the GNU debugger.
   Copyright 1997, 1998, 1999 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 "gdbcore.h"
#include "expression.h"
#include "value.h"
#include "demangle.h"
#include "valprint.h"
#include "language.h"
#include "jv-lang.h"
#include "c-lang.h"
#include "annotate.h"

/* Local functions */

static void java_print_value_fields PARAMS ((struct type * type, char *valaddr, CORE_ADDR address, GDB_FILE * stream, int format, int recurse, enum val_prettyprint pretty));


int
java_value_print (val, stream, format, pretty)
     value_ptr val;
     GDB_FILE *stream;
     int format;
     enum val_prettyprint pretty;
{
  struct type *type;
  CORE_ADDR address;
  int i;
  char *name;

  type = VALUE_TYPE (val);
  address = VALUE_ADDRESS (val) + VALUE_OFFSET (val);

  if (is_object_type (type))
    {
      CORE_ADDR obj_addr;

      /* Get the run-time type, and cast the object into that */

      obj_addr = unpack_pointer (type, VALUE_CONTENTS (val));

      if (obj_addr != 0)
	{
	  type = type_from_class (java_class_from_object (val));
	  type = lookup_pointer_type (type);

	  val = value_at (type, address, NULL);
	}
    }

  if (TYPE_CODE (type) == TYPE_CODE_PTR && !value_logical_not (val))
    type_print (TYPE_TARGET_TYPE (type), "", stream, -1);

  name = TYPE_TAG_NAME (type);
  if (TYPE_CODE (type) == TYPE_CODE_STRUCT && name != NULL
      && (i = strlen (name), name[i - 1] == ']'))
    {
      char buf4[4];
      long length;
      unsigned int things_printed = 0;
      int reps;
      struct type *el_type = java_primitive_type_from_name (name, i - 2);

      i = 0;
      read_memory (address + JAVA_OBJECT_SIZE, buf4, 4);

      length = (long) extract_signed_integer (buf4, 4);
      fprintf_filtered (stream, "{length: %ld", length);

      if (el_type == NULL)
	{
	  CORE_ADDR element, next_element;

	  address += JAVA_OBJECT_SIZE + 4;	/* Skip object header and length. */

	  while (i < length && things_printed < print_max)
	    {
	      char buf[TARGET_PTR_BIT / HOST_CHAR_BIT];

	      fputs_filtered (", ", stream);
	      wrap_here (n_spaces (2));

	      if (i > 0)
		element = next_element;
	      else
		{
		  read_memory (address, buf, sizeof (buf));
		  address += TARGET_PTR_BIT / HOST_CHAR_BIT;
		  element = extract_address (buf, sizeof (buf));
		}

	      for (reps = 1; i + reps < length; reps++)
		{
		  read_memory (address, buf, sizeof (buf));
		  address += TARGET_PTR_BIT / HOST_CHAR_BIT;
		  next_element = extract_address (buf, sizeof (buf));
		  if (next_element != element)
		    break;
		}

	      if (reps == 1)
		fprintf_filtered (stream, "%d: ", i);
	      else
		fprintf_filtered (stream, "%d..%d: ", i, i + reps - 1);

	      if (element == 0)
		fprintf_filtered (stream, "null");
	      else
		fprintf_filtered (stream, "@%x", element);

	      things_printed++;
	      i += reps;
	    }
	}
      else
	{
	  value_ptr v = allocate_value (el_type);
	  value_ptr next_v = allocate_value (el_type);

	  VALUE_ADDRESS (v) = address + JAVA_OBJECT_SIZE + 4;
	  VALUE_ADDRESS (next_v) = VALUE_ADDRESS (v);

	  while (i < length && things_printed < print_max)
	    {
	      fputs_filtered (", ", stream);
	      wrap_here (n_spaces (2));

	      if (i > 0)
		{
		  value_ptr tmp;

		  tmp = next_v;
		  next_v = v;
		  v = tmp;
		}
	      else
		{
		  VALUE_LAZY (v) = 1;
		  VALUE_OFFSET (v) = 0;
		}

	      VALUE_OFFSET (next_v) = VALUE_OFFSET (v);

	      for (reps = 1; i + reps < length; reps++)
		{
		  VALUE_LAZY (next_v) = 1;
		  VALUE_OFFSET (next_v) += TYPE_LENGTH (el_type);
		  if (memcmp (VALUE_CONTENTS (v), VALUE_CONTENTS (next_v),
			      TYPE_LENGTH (el_type)) != 0)
		    break;
		}

	      if (reps == 1)
		fprintf_filtered (stream, "%d: ", i);
	      else
		fprintf_filtered (stream, "%d..%d: ", i, i + reps - 1);

	      val_print (VALUE_TYPE (v), VALUE_CONTENTS (v), 0, 0,
			 stream, format, 2, 1, pretty);

	      things_printed++;
	      i += reps;
	    }
	}

      if (i < length)
	fprintf_filtered (stream, "...");

      fprintf_filtered (stream, "}");

      return 0;
    }

  /* If it's type String, print it */

  if (TYPE_CODE (type) == TYPE_CODE_PTR
      && TYPE_TARGET_TYPE (type)
      && TYPE_NAME (TYPE_TARGET_TYPE (type))
    && strcmp (TYPE_NAME (TYPE_TARGET_TYPE (type)), "java.lang.String") == 0
      && (format == 0 || format == 's')
      && address != 0)
    {
      value_ptr data_val;
      CORE_ADDR data;
      value_ptr boffset_val;
      unsigned long boffset;
      value_ptr count_val;
      unsigned long count;
      value_ptr mark;

      mark = value_mark ();	/* Remember start of new values */

      data_val = value_struct_elt (&val, NULL, "data", NULL, NULL);
      data = value_as_pointer (data_val);

      boffset_val = value_struct_elt (&val, NULL, "boffset", NULL, NULL);
      boffset = value_as_pointer (boffset_val);

      count_val = value_struct_elt (&val, NULL, "count", NULL, NULL);
      count = value_as_pointer (count_val);

      value_free_to_mark (mark);	/* Release unnecessary values */

      val_print_string (data + boffset, count, 2, stream);

      return 0;
    }

  return (val_print (type, VALUE_CONTENTS (val), 0, address,
		     stream, format, 1, 0, pretty));
}

/* TYPE, VALADDR, ADDRESS, STREAM, RECURSE, and PRETTY have the
   same meanings as in cp_print_value and c_val_print.

   DONT_PRINT is an array of baseclass types that we
   should not print, or zero if called from top level.  */

static void
java_print_value_fields (type, valaddr, address, stream,
			 format, recurse, pretty)
     struct type *type;
     char *valaddr;
     CORE_ADDR address;
     GDB_FILE *stream;
     int format;
     int recurse;
     enum val_prettyprint pretty;
{
  int i, len, n_baseclasses;

  CHECK_TYPEDEF (type);

  fprintf_filtered (stream, "{");
  len = TYPE_NFIELDS (type);
  n_baseclasses = TYPE_N_BASECLASSES (type);

  if (n_baseclasses > 0)
    {
      int i, n_baseclasses = TYPE_N_BASECLASSES (type);

      for (i = 0; i < n_baseclasses; i++)
	{
	  int boffset;
	  struct type *baseclass = check_typedef (TYPE_BASECLASS (type, i));
	  char *basename = TYPE_NAME (baseclass);
	  char *base_valaddr;

	  if (BASETYPE_VIA_VIRTUAL (type, i))
	    continue;

	  if (basename != NULL && strcmp (basename, "java.lang.Object") == 0)
	    continue;

	  boffset = 0;

	  if (pretty)
	    {
	      fprintf_filtered (stream, "\n");
	      print_spaces_filtered (2 * (recurse + 1), stream);
	    }
	  fputs_filtered ("<", stream);
	  /* Not sure what the best notation is in the case where there is no
	     baseclass name.  */
	  fputs_filtered (basename ? basename : "", stream);
	  fputs_filtered ("> = ", stream);

	  base_valaddr = valaddr;

	  java_print_value_fields (baseclass, base_valaddr, address + boffset,
				   stream, format, recurse + 1, pretty);
	  fputs_filtered (", ", stream);

	flush_it:
	  ;
	}

    }

  if (!len && n_baseclasses == 1)
    fprintf_filtered (stream, "<No data fields>");
  else
    {
      extern int inspect_it;
      int fields_seen = 0;

      for (i = n_baseclasses; i < len; i++)
	{
	  /* If requested, skip printing of static fields.  */
	  if (TYPE_FIELD_STATIC (type, i))
	    {
	      char *name = TYPE_FIELD_NAME (type, i);
	      if (!static_field_print)
		continue;
	      if (name != NULL && strcmp (name, "class") == 0)
		continue;
	    }
	  if (fields_seen)
	    fprintf_filtered (stream, ", ");
	  else if (n_baseclasses > 0)
	    {
	      if (pretty)
		{
		  fprintf_filtered (stream, "\n");
		  print_spaces_filtered (2 + 2 * recurse, stream);
		  fputs_filtered ("members of ", stream);
		  fputs_filtered (type_name_no_tag (type), stream);
		  fputs_filtered (": ", stream);
		}
	    }
	  fields_seen = 1;

	  if (pretty)
	    {
	      fprintf_filtered (stream, "\n");
	      print_spaces_filtered (2 + 2 * recurse, stream);
	    }
	  else
	    {
	      wrap_here (n_spaces (2 + 2 * recurse));
	    }
	  if (inspect_it)
	    {
	      if (TYPE_CODE (TYPE_FIELD_TYPE (type, i)) == TYPE_CODE_PTR)
		fputs_filtered ("\"( ptr \"", stream);
	      else
		fputs_filtered ("\"( nodef \"", stream);
	      if (TYPE_FIELD_STATIC (type, i))
		fputs_filtered ("static ", stream);
	      fprintf_symbol_filtered (stream, TYPE_FIELD_NAME (type, i),
				       language_cplus,
				       DMGL_PARAMS | DMGL_ANSI);
	      fputs_filtered ("\" \"", stream);
	      fprintf_symbol_filtered (stream, TYPE_FIELD_NAME (type, i),
				       language_cplus,
				       DMGL_PARAMS | DMGL_ANSI);
	      fputs_filtered ("\") \"", stream);
	    }
	  else
	    {
	      annotate_field_begin (TYPE_FIELD_TYPE (type, i));

	      if (TYPE_FIELD_STATIC (type, i))
		fputs_filtered ("static ", stream);
	      fprintf_symbol_filtered (stream, TYPE_FIELD_NAME (type, i),
				       language_cplus,
				       DMGL_PARAMS | DMGL_ANSI);
	      annotate_field_name_end ();
	      fputs_filtered (": ", stream);
	      annotate_field_value ();
	    }

	  if (!TYPE_FIELD_STATIC (type, i) && TYPE_FIELD_PACKED (type, i))
	    {
	      value_ptr v;

	      /* Bitfields require special handling, especially due to byte
	         order problems.  */
	      if (TYPE_FIELD_IGNORE (type, i))
		{
		  fputs_filtered ("<optimized out or zero length>", stream);
		}
	      else
		{
		  v = value_from_longest (TYPE_FIELD_TYPE (type, i),
				   unpack_field_as_long (type, valaddr, i));

		  val_print (TYPE_FIELD_TYPE (type, i), VALUE_CONTENTS (v), 0,
			     0, stream, format, 0, recurse + 1, pretty);
		}
	    }
	  else
	    {
	      if (TYPE_FIELD_IGNORE (type, i))
		{
		  fputs_filtered ("<optimized out or zero length>", stream);
		}
	      else if (TYPE_FIELD_STATIC (type, i))
		{
		  value_ptr v = value_static_field (type, i);
		  if (v == NULL)
		    fputs_filtered ("<optimized out>", stream);
		  else
		    {
		      struct type *t = check_typedef (VALUE_TYPE (v));
		      if (TYPE_CODE (t) == TYPE_CODE_STRUCT)
			v = value_addr (v);
		      val_print (VALUE_TYPE (v),
				 VALUE_CONTENTS (v), 0, VALUE_ADDRESS (v),
				 stream, format, 0, recurse + 1, pretty);
		    }
		}
	      else if (TYPE_FIELD_TYPE (type, i) == NULL)
		fputs_filtered ("<unknown type>", stream);
	      else
		{
		  val_print (TYPE_FIELD_TYPE (type, i),
			     valaddr + TYPE_FIELD_BITPOS (type, i) / 8, 0,
			     address + TYPE_FIELD_BITPOS (type, i) / 8,
			     stream, format, 0, recurse + 1, pretty);
		}
	    }
	  annotate_field_end ();
	}

      if (pretty)
	{
	  fprintf_filtered (stream, "\n");
	  print_spaces_filtered (2 * recurse, stream);
	}
    }
  fprintf_filtered (stream, "}");
}

/* 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
java_val_print (type, valaddr, embedded_offset, 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 */
  struct type *target_type;
  CORE_ADDR addr;

  CHECK_TYPEDEF (type);
  switch (TYPE_CODE (type))
    {
    case TYPE_CODE_PTR:
      if (format && format != 's')
	{
	  print_scalar_formatted (valaddr, type, format, 0, stream);
	  break;
	}
#if 0
      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;
	}
#endif
      addr = unpack_pointer (type, valaddr);
      if (addr == 0)
	{
	  fputs_filtered ("null", stream);
	  return i;
	}
      target_type = check_typedef (TYPE_TARGET_TYPE (type));

      if (TYPE_CODE (target_type) == 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')
	{
	  fputs_filtered ("@", stream);
	  print_longest (stream, 'x', 0, (ULONGEST) addr);
	}

      return i;

    case TYPE_CODE_CHAR:
      format = format ? format : output_format;
      if (format)
	print_scalar_formatted (valaddr, type, format, 0, stream);
      else
	LA_PRINT_CHAR ((int) unpack_long (type, valaddr), stream);
      break;

    case TYPE_CODE_INT:
      /* Can't just call c_val_print because that print bytes as C chars. */
      format = format ? format : output_format;
      if (format)
	print_scalar_formatted (valaddr, type, format, 0, stream);
      else
	val_print_type_code_int (type, valaddr, stream);
      break;

    case TYPE_CODE_STRUCT:
      java_print_value_fields (type, valaddr, address, stream, format,
			       recurse, pretty);
      break;

    default:
      return c_val_print (type, valaddr, embedded_offset, address, stream,
			  format, deref_ref, recurse, pretty);
    }

  return 0;
}
Commit	Line	Data
c906108c SS	1	/* Support for printing Java values for GDB, the GNU debugger.
	2	Copyright 1997, 1998, 1999 Free Software Foundation, Inc.
	3
c5aa993b	4	This file is part of GDB.
c906108c	5
c5aa993b JM	6	This program is free software; you can redistribute it and/or modify
	7	it under the terms of the GNU General Public License as published by
	8	the Free Software Foundation; either version 2 of the License, or
	9	(at your option) any later version.
c906108c	10
c5aa993b JM	11	This program is distributed in the hope that it will be useful,
	12	but WITHOUT ANY WARRANTY; without even the implied warranty of
	13	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	14	GNU General Public License for more details.
c906108c	15
c5aa993b JM	16	You should have received a copy of the GNU General Public License
	17	along with this program; if not, write to the Free Software
	18	Foundation, Inc., 59 Temple Place - Suite 330,
	19	Boston, MA 02111-1307, USA. */
c906108c SS	20
	21	#include "defs.h"
	22	#include "symtab.h"
	23	#include "gdbtypes.h"
7a292a7a	24	#include "gdbcore.h"
c906108c SS	25	#include "expression.h"
	26	#include "value.h"
	27	#include "demangle.h"
	28	#include "valprint.h"
	29	#include "language.h"
	30	#include "jv-lang.h"
	31	#include "c-lang.h"
7a292a7a	32	#include "annotate.h"
c906108c	33
392a587b JM	34	/* Local functions */
392a587b JM	35
c5aa993b	36	static void java_print_value_fields PARAMS ((struct type * type, char valaddr, CORE_ADDR address, GDB_FILE stream, int format, int recurse, enum val_prettyprint pretty));
392a587b JM	37
392a587b JM	38
c906108c SS	39	int
	40	java_value_print (val, stream, format, pretty)
	41	value_ptr val;
	42	GDB_FILE *stream;
	43	int format;
	44	enum val_prettyprint pretty;
	45	{
	46	struct type *type;
	47	CORE_ADDR address;
	48	int i;
	49	char *name;
	50
	51	type = VALUE_TYPE (val);
	52	address = VALUE_ADDRESS (val) + VALUE_OFFSET (val);
	53
	54	if (is_object_type (type))
	55	{
	56	CORE_ADDR obj_addr;
	57
	58	/* Get the run-time type, and cast the object into that */
	59
	60	obj_addr = unpack_pointer (type, VALUE_CONTENTS (val));
	61
	62	if (obj_addr != 0)
	63	{
	64	type = type_from_class (java_class_from_object (val));
	65	type = lookup_pointer_type (type);
	66
	67	val = value_at (type, address, NULL);
	68	}
	69	}
	70
c5aa993b	71	if (TYPE_CODE (type) == TYPE_CODE_PTR && !value_logical_not (val))
c906108c SS	72	type_print (TYPE_TARGET_TYPE (type), "", stream, -1);
	73
	74	name = TYPE_TAG_NAME (type);
	75	if (TYPE_CODE (type) == TYPE_CODE_STRUCT && name != NULL
c5aa993b	76	&& (i = strlen (name), name[i - 1] == ']'))
c906108c SS	77	{
	78	char buf4[4];
	79	long length;
	80	unsigned int things_printed = 0;
c5aa993b	81	int reps;
c906108c SS	82	struct type *el_type = java_primitive_type_from_name (name, i - 2);
	83
	84	i = 0;
	85	read_memory (address + JAVA_OBJECT_SIZE, buf4, 4);
	86
	87	length = (long) extract_signed_integer (buf4, 4);
	88	fprintf_filtered (stream, "{length: %ld", length);
	89
	90	if (el_type == NULL)
	91	{
	92	CORE_ADDR element, next_element;
	93
c5aa993b	94	address += JAVA_OBJECT_SIZE + 4; /* Skip object header and length. */
c906108c SS	95
	96	while (i < length && things_printed < print_max)
	97	{
	98	char buf[TARGET_PTR_BIT / HOST_CHAR_BIT];
	99
	100	fputs_filtered (", ", stream);
	101	wrap_here (n_spaces (2));
	102
	103	if (i > 0)
	104	element = next_element;
	105	else
	106	{
c5aa993b	107	read_memory (address, buf, sizeof (buf));
c906108c	108	address += TARGET_PTR_BIT / HOST_CHAR_BIT;
c5aa993b	109	element = extract_address (buf, sizeof (buf));
c906108c SS	110	}
c906108c SS	111
c5aa993b	112	for (reps = 1; i + reps < length; reps++)
c906108c	113	{
c5aa993b	114	read_memory (address, buf, sizeof (buf));
c906108c	115	address += TARGET_PTR_BIT / HOST_CHAR_BIT;
c5aa993b	116	next_element = extract_address (buf, sizeof (buf));
c906108c SS	117	if (next_element != element)
	118	break;
	119	}
	120
	121	if (reps == 1)
	122	fprintf_filtered (stream, "%d: ", i);
	123	else
	124	fprintf_filtered (stream, "%d..%d: ", i, i + reps - 1);
	125
	126	if (element == 0)
	127	fprintf_filtered (stream, "null");
	128	else
	129	fprintf_filtered (stream, "@%x", element);
	130
	131	things_printed++;
	132	i += reps;
	133	}
	134	}
	135	else
	136	{
	137	value_ptr v = allocate_value (el_type);
	138	value_ptr next_v = allocate_value (el_type);
	139
	140	VALUE_ADDRESS (v) = address + JAVA_OBJECT_SIZE + 4;
	141	VALUE_ADDRESS (next_v) = VALUE_ADDRESS (v);
	142
	143	while (i < length && things_printed < print_max)
	144	{
	145	fputs_filtered (", ", stream);
	146	wrap_here (n_spaces (2));
	147
	148	if (i > 0)
	149	{
	150	value_ptr tmp;
	151
	152	tmp = next_v;
	153	next_v = v;
	154	v = tmp;
	155	}
	156	else
	157	{
	158	VALUE_LAZY (v) = 1;
	159	VALUE_OFFSET (v) = 0;
	160	}
	161
	162	VALUE_OFFSET (next_v) = VALUE_OFFSET (v);
	163
c5aa993b	164	for (reps = 1; i + reps < length; reps++)
c906108c SS	165	{
	166	VALUE_LAZY (next_v) = 1;
	167	VALUE_OFFSET (next_v) += TYPE_LENGTH (el_type);
	168	if (memcmp (VALUE_CONTENTS (v), VALUE_CONTENTS (next_v),
	169	TYPE_LENGTH (el_type)) != 0)
	170	break;
	171	}
	172
	173	if (reps == 1)
	174	fprintf_filtered (stream, "%d: ", i);
	175	else
	176	fprintf_filtered (stream, "%d..%d: ", i, i + reps - 1);
	177
	178	val_print (VALUE_TYPE (v), VALUE_CONTENTS (v), 0, 0,
	179	stream, format, 2, 1, pretty);
	180
	181	things_printed++;
	182	i += reps;
	183	}
	184	}
	185
	186	if (i < length)
	187	fprintf_filtered (stream, "...");
	188
	189	fprintf_filtered (stream, "}");
	190
	191	return 0;
	192	}
	193
	194	/* If it's type String, print it */
	195
	196	if (TYPE_CODE (type) == TYPE_CODE_PTR
	197	&& TYPE_TARGET_TYPE (type)
	198	&& TYPE_NAME (TYPE_TARGET_TYPE (type))
c5aa993b	199	&& strcmp (TYPE_NAME (TYPE_TARGET_TYPE (type)), "java.lang.String") == 0
c906108c SS	200	&& (format == 0 \|\| format == 's')
	201	&& address != 0)
	202	{
	203	value_ptr data_val;
	204	CORE_ADDR data;
	205	value_ptr boffset_val;
	206	unsigned long boffset;
	207	value_ptr count_val;
	208	unsigned long count;
	209	value_ptr mark;
	210
	211	mark = value_mark (); /* Remember start of new values */
	212
	213	data_val = value_struct_elt (&val, NULL, "data", NULL, NULL);
	214	data = value_as_pointer (data_val);
	215
	216	boffset_val = value_struct_elt (&val, NULL, "boffset", NULL, NULL);
	217	boffset = value_as_pointer (boffset_val);
	218
	219	count_val = value_struct_elt (&val, NULL, "count", NULL, NULL);
	220	count = value_as_pointer (count_val);
	221
c5aa993b	222	value_free_to_mark (mark); /* Release unnecessary values */
c906108c SS	223
	224	val_print_string (data + boffset, count, 2, stream);
	225
	226	return 0;
	227	}
	228
	229	return (val_print (type, VALUE_CONTENTS (val), 0, address,
	230	stream, format, 1, 0, pretty));
	231	}
	232
	233	/* TYPE, VALADDR, ADDRESS, STREAM, RECURSE, and PRETTY have the
	234	same meanings as in cp_print_value and c_val_print.
	235
	236	DONT_PRINT is an array of baseclass types that we
	237	should not print, or zero if called from top level. */
	238
392a587b	239	static void
c906108c SS	240	java_print_value_fields (type, valaddr, address, stream,
	241	format, recurse, pretty)
	242	struct type *type;
	243	char *valaddr;
	244	CORE_ADDR address;
	245	GDB_FILE *stream;
	246	int format;
	247	int recurse;
	248	enum val_prettyprint pretty;
	249	{
	250	int i, len, n_baseclasses;
	251
	252	CHECK_TYPEDEF (type);
	253
	254	fprintf_filtered (stream, "{");
	255	len = TYPE_NFIELDS (type);
	256	n_baseclasses = TYPE_N_BASECLASSES (type);
	257
	258	if (n_baseclasses > 0)
	259	{
	260	int i, n_baseclasses = TYPE_N_BASECLASSES (type);
	261
	262	for (i = 0; i < n_baseclasses; i++)
	263	{
	264	int boffset;
	265	struct type *baseclass = check_typedef (TYPE_BASECLASS (type, i));
	266	char *basename = TYPE_NAME (baseclass);
	267	char *base_valaddr;
c5aa993b	268
c906108c SS	269	if (BASETYPE_VIA_VIRTUAL (type, i))
	270	continue;
	271
	272	if (basename != NULL && strcmp (basename, "java.lang.Object") == 0)
	273	continue;
	274
	275	boffset = 0;
	276
	277	if (pretty)
	278	{
	279	fprintf_filtered (stream, "\n");
c5aa993b	280	print_spaces_filtered (2 * (recurse + 1), stream);
c906108c SS	281	}
	282	fputs_filtered ("<", stream);
	283	/* Not sure what the best notation is in the case where there is no
	284	baseclass name. */
	285	fputs_filtered (basename ? basename : "", stream);
	286	fputs_filtered ("> = ", stream);
	287
	288	base_valaddr = valaddr;
	289
	290	java_print_value_fields (baseclass, base_valaddr, address + boffset,
c5aa993b	291	stream, format, recurse + 1, pretty);
c906108c	292	fputs_filtered (", ", stream);
c5aa993b	293
c906108c SS	294	flush_it:
	295	;
	296	}
	297
	298	}
	299
	300	if (!len && n_baseclasses == 1)
	301	fprintf_filtered (stream, "<No data fields>");
	302	else
	303	{
	304	extern int inspect_it;
	305	int fields_seen = 0;
	306
	307	for (i = n_baseclasses; i < len; i++)
	308	{
	309	/* If requested, skip printing of static fields. */
	310	if (TYPE_FIELD_STATIC (type, i))
	311	{
	312	char *name = TYPE_FIELD_NAME (type, i);
	313	if (!static_field_print)
	314	continue;
	315	if (name != NULL && strcmp (name, "class") == 0)
	316	continue;
	317	}
	318	if (fields_seen)
	319	fprintf_filtered (stream, ", ");
	320	else if (n_baseclasses > 0)
	321	{
	322	if (pretty)
	323	{
	324	fprintf_filtered (stream, "\n");
	325	print_spaces_filtered (2 + 2 * recurse, stream);
	326	fputs_filtered ("members of ", stream);
	327	fputs_filtered (type_name_no_tag (type), stream);
	328	fputs_filtered (": ", stream);
	329	}
	330	}
	331	fields_seen = 1;
	332
	333	if (pretty)
	334	{
	335	fprintf_filtered (stream, "\n");
	336	print_spaces_filtered (2 + 2 * recurse, stream);
	337	}
c5aa993b	338	else
c906108c SS	339	{
	340	wrap_here (n_spaces (2 + 2 * recurse));
	341	}
	342	if (inspect_it)
	343	{
	344	if (TYPE_CODE (TYPE_FIELD_TYPE (type, i)) == TYPE_CODE_PTR)
	345	fputs_filtered ("\"( ptr \"", stream);
	346	else
	347	fputs_filtered ("\"( nodef \"", stream);
	348	if (TYPE_FIELD_STATIC (type, i))
	349	fputs_filtered ("static ", stream);
	350	fprintf_symbol_filtered (stream, TYPE_FIELD_NAME (type, i),
	351	language_cplus,
	352	DMGL_PARAMS \| DMGL_ANSI);
	353	fputs_filtered ("\" \"", stream);
	354	fprintf_symbol_filtered (stream, TYPE_FIELD_NAME (type, i),
	355	language_cplus,
	356	DMGL_PARAMS \| DMGL_ANSI);
	357	fputs_filtered ("\") \"", stream);
	358	}
	359	else
	360	{
	361	annotate_field_begin (TYPE_FIELD_TYPE (type, i));
	362
	363	if (TYPE_FIELD_STATIC (type, i))
	364	fputs_filtered ("static ", stream);
	365	fprintf_symbol_filtered (stream, TYPE_FIELD_NAME (type, i),
	366	language_cplus,
	367	DMGL_PARAMS \| DMGL_ANSI);
	368	annotate_field_name_end ();
	369	fputs_filtered (": ", stream);
	370	annotate_field_value ();
	371	}
	372
	373	if (!TYPE_FIELD_STATIC (type, i) && TYPE_FIELD_PACKED (type, i))
	374	{
	375	value_ptr v;
	376
	377	/* Bitfields require special handling, especially due to byte
c5aa993b	378	order problems. */
c906108c SS	379	if (TYPE_FIELD_IGNORE (type, i))
c906108c SS	380	{
c5aa993b	381	fputs_filtered ("<optimized out or zero length>", stream);
c906108c SS	382	}
	383	else
	384	{
c5aa993b	385	v = value_from_longest (TYPE_FIELD_TYPE (type, i),
c906108c SS	386	unpack_field_as_long (type, valaddr, i));
c906108c SS	387
c5aa993b JM	388	val_print (TYPE_FIELD_TYPE (type, i), VALUE_CONTENTS (v), 0,
c5aa993b JM	389	0, stream, format, 0, recurse + 1, pretty);
c906108c SS	390	}
	391	}
	392	else
	393	{
	394	if (TYPE_FIELD_IGNORE (type, i))
	395	{
c5aa993b	396	fputs_filtered ("<optimized out or zero length>", stream);
c906108c SS	397	}
	398	else if (TYPE_FIELD_STATIC (type, i))
	399	{
	400	value_ptr v = value_static_field (type, i);
	401	if (v == NULL)
	402	fputs_filtered ("<optimized out>", stream);
	403	else
	404	{
	405	struct type *t = check_typedef (VALUE_TYPE (v));
	406	if (TYPE_CODE (t) == TYPE_CODE_STRUCT)
	407	v = value_addr (v);
	408	val_print (VALUE_TYPE (v),
	409	VALUE_CONTENTS (v), 0, VALUE_ADDRESS (v),
c5aa993b	410	stream, format, 0, recurse + 1, pretty);
c906108c SS	411	}
c906108c SS	412	}
7a292a7a SS	413	else if (TYPE_FIELD_TYPE (type, i) == NULL)
7a292a7a SS	414	fputs_filtered ("<unknown type>", stream);
c906108c SS	415	else
c906108c SS	416	{
c5aa993b JM	417	val_print (TYPE_FIELD_TYPE (type, i),
	418	valaddr + TYPE_FIELD_BITPOS (type, i) / 8, 0,
	419	address + TYPE_FIELD_BITPOS (type, i) / 8,
	420	stream, format, 0, recurse + 1, pretty);
c906108c SS	421	}
	422	}
	423	annotate_field_end ();
	424	}
	425
	426	if (pretty)
	427	{
	428	fprintf_filtered (stream, "\n");
	429	print_spaces_filtered (2 * recurse, stream);
	430	}
	431	}
	432	fprintf_filtered (stream, "}");
	433	}
	434
	435	/* Print data of type TYPE located at VALADDR (within GDB), which came from
	436	the inferior at address ADDRESS, onto stdio stream STREAM according to
	437	FORMAT (a letter or 0 for natural format). The data at VALADDR is in
	438	target byte order.
	439
	440	If the data are a string pointer, returns the number of string characters
	441	printed.
	442
	443	If DEREF_REF is nonzero, then dereference references, otherwise just print
	444	them like pointers.
	445
	446	The PRETTY parameter controls prettyprinting. */
	447
	448	int
	449	java_val_print (type, valaddr, embedded_offset, address, stream, format,
	450	deref_ref, recurse, pretty)
	451	struct type *type;
	452	char *valaddr;
	453	CORE_ADDR address;
	454	GDB_FILE *stream;
	455	int format;
	456	int deref_ref;
	457	int recurse;
	458	enum val_prettyprint pretty;
	459	{
c5aa993b	460	register unsigned int i = 0; /* Number of characters printed */
c906108c SS	461	struct type *target_type;
	462	CORE_ADDR addr;
	463
	464	CHECK_TYPEDEF (type);
	465	switch (TYPE_CODE (type))
	466	{
	467	case TYPE_CODE_PTR:
	468	if (format && format != 's')
	469	{
	470	print_scalar_formatted (valaddr, type, format, 0, stream);
	471	break;
	472	}
	473	#if 0
c5aa993b	474	if (vtblprint && cp_is_vtbl_ptr_type (type))
c906108c	475	{
c5aa993b	476	/* Print the unmangled name if desired. */
c906108c SS	477	/* Print vtable entry - we only get here if we ARE using
c906108c SS	478	-fvtable_thunks. (Otherwise, look under TYPE_CODE_STRUCT.) */
c5aa993b JM	479	print_address_demangle (extract_address (valaddr, TYPE_LENGTH (type)),
c5aa993b JM	480	stream, demangle);
c906108c SS	481	break;
	482	}
	483	#endif
	484	addr = unpack_pointer (type, valaddr);
	485	if (addr == 0)
	486	{
	487	fputs_filtered ("null", stream);
	488	return i;
	489	}
	490	target_type = check_typedef (TYPE_TARGET_TYPE (type));
	491
	492	if (TYPE_CODE (target_type) == TYPE_CODE_FUNC)
	493	{
	494	/* Try to print what function it points to. */
	495	print_address_demangle (addr, stream, demangle);
	496	/* Return value is irrelevant except for string pointers. */
	497	return (0);
	498	}
	499
	500	if (addressprint && format != 's')
	501	{
	502	fputs_filtered ("@", stream);
	503	print_longest (stream, 'x', 0, (ULONGEST) addr);
	504	}
	505
	506	return i;
	507
	508	case TYPE_CODE_CHAR:
	509	format = format ? format : output_format;
	510	if (format)
	511	print_scalar_formatted (valaddr, type, format, 0, stream);
	512	else
	513	LA_PRINT_CHAR ((int) unpack_long (type, valaddr), stream);
	514	break;
	515
	516	case TYPE_CODE_INT:
	517	/* Can't just call c_val_print because that print bytes as C chars. */
	518	format = format ? format : output_format;
	519	if (format)
	520	print_scalar_formatted (valaddr, type, format, 0, stream);
	521	else
	522	val_print_type_code_int (type, valaddr, stream);
	523	break;
	524
	525	case TYPE_CODE_STRUCT:
	526	java_print_value_fields (type, valaddr, address, stream, format,
	527	recurse, pretty);
	528	break;
	529
	530	default:
	531	return c_val_print (type, valaddr, embedded_offset, address, stream,
	532	format, deref_ref, recurse, pretty);
	533	}
	534
	535	return 0;
	536	}