コード例 #1
0
int
m2_is_long_set_of_type (struct type *type, struct type **of_type)
{
  int len, i;
  struct type *range;
  struct type *target;
  LONGEST l1, l2;
  LONGEST h1, h2;

  if (TYPE_CODE (type) == TYPE_CODE_STRUCT)
    {
      len = TYPE_NFIELDS (type);
      i = TYPE_N_BASECLASSES (type);
      if (len == 0)
	return 0;
      range = TYPE_INDEX_TYPE (TYPE_FIELD_TYPE (type, i));
      target = TYPE_TARGET_TYPE (range);
      if (target == NULL)
	target = builtin_type_int;

      l1 = TYPE_LOW_BOUND (TYPE_INDEX_TYPE (TYPE_FIELD_TYPE (type, i)));
      h1 = TYPE_HIGH_BOUND (TYPE_INDEX_TYPE (TYPE_FIELD_TYPE (type, len-1)));
      *of_type = target;
      if (m2_get_discrete_bounds (target, &l2, &h2) >= 0)
	return (l1 == l2 && h1 == h2);
      error (_("long_set failed to find discrete bounds for its subtype"));
      return 0;
    }
  error (_("expecting long_set"));
  return 0;
}
コード例 #2
0
int
m2_is_long_set (struct type *type)
{
  LONGEST previous_high = 0;  /* unnecessary initialization
				 keeps gcc -Wall happy */
  int len, i;
  struct type *range;

  if (TYPE_CODE (type) == TYPE_CODE_STRUCT)
    {

      /*
       *  check if all fields of the RECORD are consecutive sets
       */
      len = TYPE_NFIELDS (type);
      for (i = TYPE_N_BASECLASSES (type); i < len; i++)
	{
	  if (TYPE_FIELD_TYPE (type, i) == NULL)
	    return 0;
	  if (TYPE_CODE (TYPE_FIELD_TYPE (type, i)) != TYPE_CODE_SET)
	    return 0;
	  if (TYPE_FIELD_NAME (type, i) != NULL
	      && (strcmp (TYPE_FIELD_NAME (type, i), "") != 0))
	    return 0;
	  range = TYPE_INDEX_TYPE (TYPE_FIELD_TYPE (type, i));
	  if ((i > TYPE_N_BASECLASSES (type))
	      && previous_high + 1 != TYPE_LOW_BOUND (range))
	    return 0;
	  previous_high = TYPE_HIGH_BOUND (range);
	}
      return len>0;
    }
  return 0;
}
コード例 #3
0
void
m2_range (struct type *type, struct ui_file *stream, int show,
	  int level)
{
  if (TYPE_HIGH_BOUND (type) == TYPE_LOW_BOUND (type))
    m2_print_type (TYPE_DOMAIN_TYPE (type), "", stream, show, level);
  else
    {
      struct type *target = TYPE_TARGET_TYPE (type);

      fprintf_filtered (stream, "[");
      print_type_scalar (target, TYPE_LOW_BOUND (type), stream);
      fprintf_filtered (stream, "..");
      print_type_scalar (target, TYPE_HIGH_BOUND (type), stream);
      fprintf_filtered (stream, "]");
    }
}
コード例 #4
0
int
ada_value_print (struct value *val0, struct ui_file *stream, int format,
		 enum val_prettyprint pretty)
{
  char *valaddr = VALUE_CONTENTS (val0);
  CORE_ADDR address = VALUE_ADDRESS (val0) + VALUE_OFFSET (val0);
  struct type *type =
    ada_to_fixed_type (VALUE_TYPE (val0), valaddr, address, NULL);
  struct value *val =
    value_from_contents_and_address (type, valaddr, address);

  /* If it is a pointer, indicate what it points to.  */
  if (TYPE_CODE (type) == TYPE_CODE_PTR)
    {
      /* Hack:  don't print (char *) for char strings.  Their
         type is indicated by the quoted string anyway.  */
      if (TYPE_LENGTH (TYPE_TARGET_TYPE (type)) != sizeof (char)
	  || TYPE_CODE (TYPE_TARGET_TYPE (type)) != TYPE_CODE_INT 
	  || TYPE_UNSIGNED (TYPE_TARGET_TYPE (type)))
	{
	  fprintf_filtered (stream, "(");
	  type_print (type, "", stream, -1);
	  fprintf_filtered (stream, ") ");
	}
    }
  else if (ada_is_array_descriptor_type (type))
    {
      fprintf_filtered (stream, "(");
      type_print (type, "", stream, -1);
      fprintf_filtered (stream, ") ");
    }
  else if (ada_is_bogus_array_descriptor (type))
    {
      fprintf_filtered (stream, "(");
      type_print (type, "", stream, -1);
      fprintf_filtered (stream, ") (...?)");
      return 0;
    }

  if (TYPE_CODE (type) == TYPE_CODE_ARRAY
      && TYPE_LENGTH (TYPE_TARGET_TYPE (type)) == 0
      && TYPE_CODE (TYPE_INDEX_TYPE (type)) == TYPE_CODE_RANGE)
    {
      /* This is an array of zero-length elements, that is an array
         of null records.  This array needs to be printed by hand,
         as the standard routine to print arrays relies on the size of
         the array elements to be nonzero.  This is because it computes
         the number of elements in the array by dividing the array size
         by the array element size.  */
      fprintf_filtered (stream, "(%d .. %d => ())",
                        TYPE_LOW_BOUND (TYPE_INDEX_TYPE (type)),
                        TYPE_HIGH_BOUND (TYPE_INDEX_TYPE (type)));
      return 0;
    }
  
  return (val_print (type, VALUE_CONTENTS (val), 0, address,
		     stream, format, 1, 0, pretty));
}
コード例 #5
0
ファイル: m2-typeprint.c プロジェクト: neon12345/gdb
void
m2_range (struct type *type, struct ui_file *stream, int show,
	  int level, const struct type_print_options *flags)
{
  if (TYPE_HIGH_BOUND (type) == TYPE_LOW_BOUND (type))
    {
      /* FIXME: TYPE_TARGET_TYPE used to be TYPE_DOMAIN_TYPE but that was
	 wrong.  Not sure if TYPE_TARGET_TYPE is correct though.  */
      m2_print_type (TYPE_TARGET_TYPE (type), "", stream, show, level,
		     flags);
    }
  else
    {
      struct type *target = TYPE_TARGET_TYPE (type);

      fprintf_filtered (stream, "[");
      print_type_scalar (target, TYPE_LOW_BOUND (type), stream);
      fprintf_filtered (stream, "..");
      print_type_scalar (target, TYPE_HIGH_BOUND (type), stream);
      fprintf_filtered (stream, "]");
    }
}
コード例 #6
0
ファイル: m2-typeprint.c プロジェクト: neon12345/gdb
static void
m2_print_bounds (struct type *type,
		 struct ui_file *stream, int show, int level,
		 int print_high)
{
  struct type *target = TYPE_TARGET_TYPE (type);

  if (TYPE_NFIELDS(type) == 0)
    return;

  if (print_high)
    print_type_scalar (target, TYPE_HIGH_BOUND (type), stream);
  else
    print_type_scalar (target, TYPE_LOW_BOUND (type), stream);
}
コード例 #7
0
int
get_long_set_bounds (struct type *type, LONGEST *low, LONGEST *high)
{
  int len, i;

  if (TYPE_CODE (type) == TYPE_CODE_STRUCT)
    {
      len = TYPE_NFIELDS (type);
      i = TYPE_N_BASECLASSES (type);
      if (len == 0)
	return 0;
      *low = TYPE_LOW_BOUND (TYPE_INDEX_TYPE (TYPE_FIELD_TYPE (type, i)));
      *high = TYPE_HIGH_BOUND (TYPE_INDEX_TYPE (TYPE_FIELD_TYPE (type,
								 len-1)));
      return 1;
    }
  error (_("expecting long_set"));
  return 0;
}
コード例 #8
0
static int
print_optional_low_bound (struct ui_file *stream, struct type *type)
{
  struct type *index_type;
  long low_bound;

  index_type = TYPE_INDEX_TYPE (type);
  low_bound = 0;

  if (index_type == NULL)
    return 0;
  if (TYPE_CODE (index_type) == TYPE_CODE_RANGE)
    {
      low_bound = TYPE_LOW_BOUND (index_type);
      if (low_bound > TYPE_HIGH_BOUND (index_type))
	return 0;
      index_type = TYPE_TARGET_TYPE (index_type);
    }
  else
    return 0;

  switch (TYPE_CODE (index_type))
    {
    case TYPE_CODE_ENUM:
      if (low_bound == TYPE_FIELD_BITPOS (index_type, 0))
	return 0;
      break;
    case TYPE_CODE_UNDEF:
      index_type = builtin_type_long;
      /* FALL THROUGH */
    default:
      if (low_bound == 1)
	return 0;
      break;
    }

  ada_print_scalar (index_type, (LONGEST) low_bound, stream);
  fprintf_filtered (stream, " => ");
  return 1;
}
コード例 #9
0
ファイル: p-valprint.c プロジェクト: Cookfeces/binutils-gdb
void
pascal_val_print (struct type *type, const gdb_byte *valaddr,
		  int embedded_offset, CORE_ADDR address,
		  struct ui_file *stream, int recurse,
		  const struct value *original_value,
		  const struct value_print_options *options)
{
  struct gdbarch *gdbarch = get_type_arch (type);
  enum bfd_endian byte_order = gdbarch_byte_order (gdbarch);
  unsigned int i = 0;	/* Number of characters printed */
  unsigned len;
  LONGEST low_bound, high_bound;
  struct type *elttype;
  unsigned eltlen;
  int length_pos, length_size, string_pos;
  struct type *char_type;
  CORE_ADDR addr;
  int want_space = 0;

  type = check_typedef (type);
  switch (TYPE_CODE (type))
    {
    case TYPE_CODE_ARRAY:
      if (get_array_bounds (type, &low_bound, &high_bound))
	{
	  len = high_bound - low_bound + 1;
	  elttype = check_typedef (TYPE_TARGET_TYPE (type));
	  eltlen = TYPE_LENGTH (elttype);
	  if (options->prettyformat_arrays)
	    {
	      print_spaces_filtered (2 + 2 * recurse, stream);
	    }
	  /* If 's' format is used, try to print out as string.
	     If no format is given, print as string if element type
	     is of TYPE_CODE_CHAR and element size is 1,2 or 4.  */
	  if (options->format == 's'
	      || ((eltlen == 1 || eltlen == 2 || eltlen == 4)
		  && TYPE_CODE (elttype) == TYPE_CODE_CHAR
		  && options->format == 0))
	    {
	      /* If requested, look for the first null char and only print
	         elements up to it.  */
	      if (options->stop_print_at_null)
		{
		  unsigned int temp_len;

		  /* Look for a NULL char.  */
		  for (temp_len = 0;
		       extract_unsigned_integer (valaddr + embedded_offset +
						 temp_len * eltlen, eltlen,
						 byte_order)
		       && temp_len < len && temp_len < options->print_max;
		       temp_len++);
		  len = temp_len;
		}

	      LA_PRINT_STRING (stream, TYPE_TARGET_TYPE (type),
			       valaddr + embedded_offset, len, NULL, 0,
			       options);
	      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 (pascal_object_is_vtbl_ptr_type (elttype))
		{
		  i = 1;
		  fprintf_filtered (stream, "%d vtable entries", len - 1);
		}
	      else
		{
		  i = 0;
		}
	      val_print_array_elements (type, valaddr, embedded_offset,
					address, stream, recurse,
					original_value, options, i);
	      fprintf_filtered (stream, "}");
	    }
	  break;
	}
      /* Array of unspecified length: treat like pointer to first elt.  */
      addr = address + embedded_offset;
      goto print_unpacked_pointer;

    case TYPE_CODE_PTR:
      if (options->format && options->format != 's')
	{
	  val_print_scalar_formatted (type, valaddr, embedded_offset,
				      original_value, options, 0, stream);
	  break;
	}
      if (options->vtblprint && pascal_object_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.)  */
	  /* Extract the address, assume that it is unsigned.  */
	  addr = extract_unsigned_integer (valaddr + embedded_offset,
					   TYPE_LENGTH (type), byte_order);
	  print_address_demangle (options, gdbarch, addr, stream, demangle);
	  break;
	}
      check_typedef (TYPE_TARGET_TYPE (type));

      addr = unpack_pointer (type, valaddr + embedded_offset);
    print_unpacked_pointer:
      elttype = check_typedef (TYPE_TARGET_TYPE (type));

      if (TYPE_CODE (elttype) == TYPE_CODE_FUNC)
	{
	  /* Try to print what function it points to.  */
	  print_address_demangle (options, gdbarch, addr, stream, demangle);
	  return;
	}

      if (options->addressprint && options->format != 's')
	{
	  fputs_filtered (paddress (gdbarch, addr), stream);
	  want_space = 1;
	}

      /* 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
	      || TYPE_CODE (elttype) == TYPE_CODE_CHAR))
	  || ((TYPE_LENGTH (elttype) == 2 || TYPE_LENGTH (elttype) == 4)
	      && TYPE_CODE (elttype) == TYPE_CODE_CHAR))
	  && (options->format == 0 || options->format == 's')
	  && addr != 0)
	{
	  if (want_space)
	    fputs_filtered (" ", stream);
	  /* No wide string yet.  */
	  i = val_print_string (elttype, NULL, addr, -1, stream, options);
	}
      /* Also for pointers to pascal strings.  */
      /* Note: this is Free Pascal specific:
	 as GDB does not recognize stabs pascal strings
	 Pascal strings are mapped to records
	 with lowercase names PM.  */
      if (is_pascal_string_type (elttype, &length_pos, &length_size,
				 &string_pos, &char_type, NULL)
	  && addr != 0)
	{
	  ULONGEST string_length;
	  gdb_byte *buffer;

	  if (want_space)
	    fputs_filtered (" ", stream);
	  buffer = (gdb_byte *) xmalloc (length_size);
	  read_memory (addr + length_pos, buffer, length_size);
	  string_length = extract_unsigned_integer (buffer, length_size,
						    byte_order);
	  xfree (buffer);
	  i = val_print_string (char_type, NULL,
				addr + string_pos, string_length,
				stream, options);
	}
      else if (pascal_object_is_vtbl_member (type))
	{
	  /* Print vtbl's nicely.  */
	  CORE_ADDR vt_address = unpack_pointer (type,
						 valaddr + embedded_offset);
	  struct bound_minimal_symbol msymbol =
	    lookup_minimal_symbol_by_pc (vt_address);

	  /* If 'symbol_print' is set, we did the work above.  */
	  if (!options->symbol_print
	      && (msymbol.minsym != NULL)
	      && (vt_address == BMSYMBOL_VALUE_ADDRESS (msymbol)))
	    {
	      if (want_space)
		fputs_filtered (" ", stream);
	      fputs_filtered ("<", stream);
	      fputs_filtered (MSYMBOL_PRINT_NAME (msymbol.minsym), stream);
	      fputs_filtered (">", stream);
	      want_space = 1;
	    }
	  if (vt_address && options->vtblprint)
	    {
	      struct value *vt_val;
	      struct symbol *wsym = NULL;
	      struct type *wtype;
	      struct block *block = NULL;
	      struct field_of_this_result is_this_fld;

	      if (want_space)
		fputs_filtered (" ", stream);

	      if (msymbol.minsym != NULL)
		wsym = lookup_symbol (MSYMBOL_LINKAGE_NAME (msymbol.minsym),
				      block,
				      VAR_DOMAIN, &is_this_fld).symbol;

	      if (wsym)
		{
		  wtype = SYMBOL_TYPE (wsym);
		}
	      else
		{
		  wtype = TYPE_TARGET_TYPE (type);
		}
	      vt_val = value_at (wtype, vt_address);
	      common_val_print (vt_val, stream, recurse + 1, options,
				current_language);
	      if (options->prettyformat)
		{
		  fprintf_filtered (stream, "\n");
		  print_spaces_filtered (2 + 2 * recurse, stream);
		}
	    }
	}

      return;

    case TYPE_CODE_REF:
    case TYPE_CODE_ENUM:
    case TYPE_CODE_FLAGS:
    case TYPE_CODE_FUNC:
    case TYPE_CODE_RANGE:
    case TYPE_CODE_INT:
    case TYPE_CODE_FLT:
    case TYPE_CODE_VOID:
    case TYPE_CODE_ERROR:
    case TYPE_CODE_UNDEF:
    case TYPE_CODE_BOOL:
    case TYPE_CODE_CHAR:
      generic_val_print (type, valaddr, embedded_offset, address,
			 stream, recurse, original_value, options,
			 &p_decorations);
      break;

    case TYPE_CODE_UNION:
      if (recurse && !options->unionprint)
	{
	  fprintf_filtered (stream, "{...}");
	  break;
	}
      /* Fall through.  */
    case TYPE_CODE_STRUCT:
      if (options->vtblprint && pascal_object_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.)  */
	  /* Extract the address, assume that it is unsigned.  */
	  print_address_demangle
	    (options, gdbarch,
	     extract_unsigned_integer (valaddr + embedded_offset
				       + TYPE_FIELD_BITPOS (type,
							    VTBL_FNADDR_OFFSET) / 8,
				       TYPE_LENGTH (TYPE_FIELD_TYPE (type,
								     VTBL_FNADDR_OFFSET)),
				       byte_order),
	     stream, demangle);
	}
      else
	{
          if (is_pascal_string_type (type, &length_pos, &length_size,
                                     &string_pos, &char_type, NULL))
	    {
	      len = extract_unsigned_integer (valaddr + embedded_offset
					      + length_pos, length_size,
					      byte_order);
	      LA_PRINT_STRING (stream, char_type,
			       valaddr + embedded_offset + string_pos,
			       len, NULL, 0, options);
	    }
	  else
	    pascal_object_print_value_fields (type, valaddr, embedded_offset,
					      address, stream, recurse,
					      original_value, options,
					      NULL, 0);
	}
      break;

    case TYPE_CODE_SET:
      elttype = TYPE_INDEX_TYPE (type);
      elttype = check_typedef (elttype);
      if (TYPE_STUB (elttype))
	{
	  fprintf_filtered (stream, "<incomplete type>");
	  gdb_flush (stream);
	  break;
	}
      else
	{
	  struct type *range = elttype;
	  LONGEST low_bound, high_bound;
	  int i;
	  int need_comma = 0;

	  fputs_filtered ("[", stream);

	  i = get_discrete_bounds (range, &low_bound, &high_bound);
	  if (low_bound == 0 && high_bound == -1 && TYPE_LENGTH (type) > 0)
	    {
	      /* If we know the size of the set type, we can figure out the
	      maximum value.  */
	      i = 0;
	      high_bound = TYPE_LENGTH (type) * TARGET_CHAR_BIT - 1;
	      TYPE_HIGH_BOUND (range) = high_bound;
	    }
	maybe_bad_bstring:
	  if (i < 0)
	    {
	      fputs_filtered ("<error value>", stream);
	      goto done;
	    }

	  for (i = low_bound; i <= high_bound; i++)
	    {
	      int element = value_bit_index (type,
					     valaddr + embedded_offset, i);

	      if (element < 0)
		{
		  i = element;
		  goto maybe_bad_bstring;
		}
	      if (element)
		{
		  if (need_comma)
		    fputs_filtered (", ", stream);
		  print_type_scalar (range, i, stream);
		  need_comma = 1;

		  if (i + 1 <= high_bound
		      && value_bit_index (type,
					  valaddr + embedded_offset, ++i))
		    {
		      int j = i;

		      fputs_filtered ("..", stream);
		      while (i + 1 <= high_bound
			     && value_bit_index (type,
						 valaddr + embedded_offset,
						 ++i))
			j = i;
		      print_type_scalar (range, j, stream);
		    }
		}
	    }
	done:
	  fputs_filtered ("]", stream);
	}
      break;

    default:
      error (_("Invalid pascal type code %d in symbol table."),
	     TYPE_CODE (type));
    }
  gdb_flush (stream);
}
コード例 #10
0
ファイル: p-typeprint.c プロジェクト: HoMeCracKeR/gdb-ng
void
pascal_type_print_base (struct type *type, struct ui_file *stream, int show,
			int level)
{
  int i;
  int len;
  int lastval;
  enum
    {
      s_none, s_public, s_private, s_protected
    }
  section_type;
  QUIT;

  wrap_here ("    ");
  if (type == NULL)
    {
      fputs_filtered ("<type unknown>", stream);
      return;
    }

  /* void pointer */
  if ((TYPE_CODE (type) == TYPE_CODE_PTR) && (TYPE_CODE (TYPE_TARGET_TYPE (type)) == TYPE_CODE_VOID))
    {
      fputs_filtered (TYPE_NAME (type) ? TYPE_NAME (type) : "pointer",
		      stream);
      return;
    }
  /* When SHOW is zero or less, and there is a valid type name, then always
     just print the type name directly from the type.  */

  if (show <= 0
      && TYPE_NAME (type) != NULL)
    {
      fputs_filtered (TYPE_NAME (type), stream);
      return;
    }

  CHECK_TYPEDEF (type);

  switch (TYPE_CODE (type))
    {
    case TYPE_CODE_TYPEDEF:
    case TYPE_CODE_PTR:
    case TYPE_CODE_MEMBER:
    case TYPE_CODE_REF:
      /* case TYPE_CODE_FUNC:
         case TYPE_CODE_METHOD: */
      pascal_type_print_base (TYPE_TARGET_TYPE (type), stream, show, level);
      break;

    case TYPE_CODE_ARRAY:
      /* pascal_type_print_varspec_prefix (TYPE_TARGET_TYPE (type), stream, 0, 0);
         pascal_type_print_base (TYPE_TARGET_TYPE (type), stream, show, level);
         pascal_type_print_varspec_suffix (TYPE_TARGET_TYPE (type), stream, 0, 0, 0); */
      pascal_print_type (TYPE_TARGET_TYPE (type), NULL, stream, 0, 0);
      break;

    case TYPE_CODE_FUNC:
    case TYPE_CODE_METHOD:
      /*
         pascal_type_print_base (TYPE_TARGET_TYPE (type), stream, show, level);
         only after args !! */
      break;
    case TYPE_CODE_STRUCT:
      if (TYPE_TAG_NAME (type) != NULL)
	{
	  fputs_filtered (TYPE_TAG_NAME (type), stream);
	  fputs_filtered (" = ", stream);
	}
      if (HAVE_CPLUS_STRUCT (type))
	{
	  fprintf_filtered (stream, "class ");
	}
      else
	{
	  fprintf_filtered (stream, "record ");
	}
      goto struct_union;

    case TYPE_CODE_UNION:
      if (TYPE_TAG_NAME (type) != NULL)
	{
	  fputs_filtered (TYPE_TAG_NAME (type), stream);
	  fputs_filtered (" = ", stream);
	}
      fprintf_filtered (stream, "case <?> of ");

    struct_union:
      wrap_here ("    ");
      if (show < 0)
	{
	  /* If we just printed a tag name, no need to print anything else.  */
	  if (TYPE_TAG_NAME (type) == NULL)
	    fprintf_filtered (stream, "{...}");
	}
      else if (show > 0 || TYPE_TAG_NAME (type) == NULL)
	{
	  pascal_type_print_derivation_info (stream, type);

	  fprintf_filtered (stream, "\n");
	  if ((TYPE_NFIELDS (type) == 0) && (TYPE_NFN_FIELDS (type) == 0))
	    {
	      if (TYPE_STUB (type))
		fprintfi_filtered (level + 4, stream, "<incomplete type>\n");
	      else
		fprintfi_filtered (level + 4, stream, "<no data fields>\n");
	    }

	  /* Start off with no specific section type, so we can print
	     one for the first field we find, and use that section type
	     thereafter until we find another type. */

	  section_type = s_none;

	  /* If there is a base class for this type,
	     do not print the field that it occupies.  */

	  len = TYPE_NFIELDS (type);
	  for (i = TYPE_N_BASECLASSES (type); i < len; i++)
	    {
	      QUIT;
	      /* Don't print out virtual function table.  */
	      if (DEPRECATED_STREQN (TYPE_FIELD_NAME (type, i), "_vptr", 5)
		  && is_cplus_marker ((TYPE_FIELD_NAME (type, i))[5]))
		continue;

	      /* If this is a pascal object or class we can print the
	         various section labels. */

	      if (HAVE_CPLUS_STRUCT (type))
		{
		  if (TYPE_FIELD_PROTECTED (type, i))
		    {
		      if (section_type != s_protected)
			{
			  section_type = s_protected;
			  fprintfi_filtered (level + 2, stream,
					     "protected\n");
			}
		    }
		  else if (TYPE_FIELD_PRIVATE (type, i))
		    {
		      if (section_type != s_private)
			{
			  section_type = s_private;
			  fprintfi_filtered (level + 2, stream, "private\n");
			}
		    }
		  else
		    {
		      if (section_type != s_public)
			{
			  section_type = s_public;
			  fprintfi_filtered (level + 2, stream, "public\n");
			}
		    }
		}

	      print_spaces_filtered (level + 4, stream);
	      if (TYPE_FIELD_STATIC (type, i))
		{
		  fprintf_filtered (stream, "static ");
		}
	      pascal_print_type (TYPE_FIELD_TYPE (type, i),
				 TYPE_FIELD_NAME (type, i),
				 stream, show - 1, level + 4);
	      if (!TYPE_FIELD_STATIC (type, i)
		  && TYPE_FIELD_PACKED (type, i))
		{
		  /* It is a bitfield.  This code does not attempt
		     to look at the bitpos and reconstruct filler,
		     unnamed fields.  This would lead to misleading
		     results if the compiler does not put out fields
		     for such things (I don't know what it does).  */
		  fprintf_filtered (stream, " : %d",
				    TYPE_FIELD_BITSIZE (type, i));
		}
	      fprintf_filtered (stream, ";\n");
	    }

	  /* If there are both fields and methods, put a space between. */
	  len = TYPE_NFN_FIELDS (type);
	  if (len && section_type != s_none)
	    fprintf_filtered (stream, "\n");

	  /* Pbject pascal: print out the methods */

	  for (i = 0; i < len; i++)
	    {
	      struct fn_field *f = TYPE_FN_FIELDLIST1 (type, i);
	      int j, len2 = TYPE_FN_FIELDLIST_LENGTH (type, i);
	      char *method_name = TYPE_FN_FIELDLIST_NAME (type, i);
	      /* this is GNU C++ specific
	         how can we know constructor/destructor?
	         It might work for GNU pascal */
	      for (j = 0; j < len2; j++)
		{
		  char *physname = TYPE_FN_FIELD_PHYSNAME (f, j);

		  int is_constructor = DEPRECATED_STREQN (physname, "__ct__", 6);
		  int is_destructor = DEPRECATED_STREQN (physname, "__dt__", 6);

		  QUIT;
		  if (TYPE_FN_FIELD_PROTECTED (f, j))
		    {
		      if (section_type != s_protected)
			{
			  section_type = s_protected;
			  fprintfi_filtered (level + 2, stream,
					     "protected\n");
			}
		    }
		  else if (TYPE_FN_FIELD_PRIVATE (f, j))
		    {
		      if (section_type != s_private)
			{
			  section_type = s_private;
			  fprintfi_filtered (level + 2, stream, "private\n");
			}
		    }
		  else
		    {
		      if (section_type != s_public)
			{
			  section_type = s_public;
			  fprintfi_filtered (level + 2, stream, "public\n");
			}
		    }

		  print_spaces_filtered (level + 4, stream);
		  if (TYPE_FN_FIELD_STATIC_P (f, j))
		    fprintf_filtered (stream, "static ");
		  if (TYPE_TARGET_TYPE (TYPE_FN_FIELD_TYPE (f, j)) == 0)
		    {
		      /* Keep GDB from crashing here.  */
		      fprintf_filtered (stream, "<undefined type> %s;\n",
					TYPE_FN_FIELD_PHYSNAME (f, j));
		      break;
		    }

		  if (is_constructor)
		    {
		      fprintf_filtered (stream, "constructor ");
		    }
		  else if (is_destructor)
		    {
		      fprintf_filtered (stream, "destructor  ");
		    }
		  else if (TYPE_TARGET_TYPE (TYPE_FN_FIELD_TYPE (f, j)) != 0 &&
			   TYPE_CODE (TYPE_TARGET_TYPE (TYPE_FN_FIELD_TYPE (f, j))) != TYPE_CODE_VOID)
		    {
		      fprintf_filtered (stream, "function  ");
		    }
		  else
		    {
		      fprintf_filtered (stream, "procedure ");
		    }
		  /* this does not work, no idea why !! */

		  pascal_type_print_method_args (physname,
						 method_name,
						 stream);

		  if (TYPE_TARGET_TYPE (TYPE_FN_FIELD_TYPE (f, j)) != 0 &&
		      TYPE_CODE (TYPE_TARGET_TYPE (TYPE_FN_FIELD_TYPE (f, j))) != TYPE_CODE_VOID)
		    {
		      fputs_filtered (" : ", stream);
		      type_print (TYPE_TARGET_TYPE (TYPE_FN_FIELD_TYPE (f, j)),
				  "", stream, -1);
		    }
		  if (TYPE_FN_FIELD_VIRTUAL_P (f, j))
		    fprintf_filtered (stream, "; virtual");

		  fprintf_filtered (stream, ";\n");
		}
	    }
	  fprintfi_filtered (level, stream, "end");
	}
      break;

    case TYPE_CODE_ENUM:
      if (TYPE_TAG_NAME (type) != NULL)
	{
	  fputs_filtered (TYPE_TAG_NAME (type), stream);
	  if (show > 0)
	    fputs_filtered (" ", stream);
	}
      /* enum is just defined by
         type enume_name = (enum_member1,enum_member2,...) */
      fprintf_filtered (stream, " = ");
      wrap_here ("    ");
      if (show < 0)
	{
	  /* If we just printed a tag name, no need to print anything else.  */
	  if (TYPE_TAG_NAME (type) == NULL)
	    fprintf_filtered (stream, "(...)");
	}
      else if (show > 0 || TYPE_TAG_NAME (type) == NULL)
	{
	  fprintf_filtered (stream, "(");
	  len = TYPE_NFIELDS (type);
	  lastval = 0;
	  for (i = 0; i < len; i++)
	    {
	      QUIT;
	      if (i)
		fprintf_filtered (stream, ", ");
	      wrap_here ("    ");
	      fputs_filtered (TYPE_FIELD_NAME (type, i), stream);
	      if (lastval != TYPE_FIELD_BITPOS (type, i))
		{
		  fprintf_filtered (stream, " := %d", TYPE_FIELD_BITPOS (type, i));
		  lastval = TYPE_FIELD_BITPOS (type, i);
		}
	      lastval++;
	    }
	  fprintf_filtered (stream, ")");
	}
      break;

    case TYPE_CODE_VOID:
      fprintf_filtered (stream, "void");
      break;

    case TYPE_CODE_UNDEF:
      fprintf_filtered (stream, "record <unknown>");
      break;

    case TYPE_CODE_ERROR:
      fprintf_filtered (stream, "<unknown type>");
      break;

      /* this probably does not work for enums */
    case TYPE_CODE_RANGE:
      {
	struct type *target = TYPE_TARGET_TYPE (type);
	if (target == NULL)
	  target = builtin_type_long;
	print_type_scalar (target, TYPE_LOW_BOUND (type), stream);
	fputs_filtered ("..", stream);
	print_type_scalar (target, TYPE_HIGH_BOUND (type), stream);
      }
      break;

    case TYPE_CODE_SET:
      fputs_filtered ("set of ", stream);
      pascal_print_type (TYPE_INDEX_TYPE (type), "", stream,
			 show - 1, level);
      break;

    case TYPE_CODE_BITSTRING:
      fputs_filtered ("BitString", stream);
      break;

    case TYPE_CODE_STRING:
      fputs_filtered ("String", stream);
      break;

    default:
      /* Handle types not explicitly handled by the other cases,
         such as fundamental types.  For these, just print whatever
         the type name is, as recorded in the type itself.  If there
         is no type name, then complain. */
      if (TYPE_NAME (type) != NULL)
	{
	  fputs_filtered (TYPE_NAME (type), stream);
	}
      else
	{
	  /* At least for dump_symtab, it is important that this not be
	     an error ().  */
	  fprintf_filtered (stream, "<invalid unnamed pascal type code %d>",
			    TYPE_CODE (type));
	}
      break;
    }
}
コード例 #11
0
int
pascal_val_print (struct type *type, const gdb_byte *valaddr,
		  int embedded_offset, CORE_ADDR address,
		  struct ui_file *stream, int recurse,
		  const struct value *original_value,
		  const struct value_print_options *options)
{
  struct gdbarch *gdbarch = get_type_arch (type);
  enum bfd_endian byte_order = gdbarch_byte_order (gdbarch);
  unsigned int i = 0;	/* Number of characters printed */
  unsigned len;
  LONGEST low_bound, high_bound;
  struct type *elttype;
  unsigned eltlen;
  int length_pos, length_size, string_pos;
  struct type *char_type;
  LONGEST val;
  CORE_ADDR addr;

  CHECK_TYPEDEF (type);
  switch (TYPE_CODE (type))
    {
    case TYPE_CODE_ARRAY:
      if (get_array_bounds (type, &low_bound, &high_bound)) 
	{
	  len = high_bound - low_bound + 1;
	  elttype = check_typedef (TYPE_TARGET_TYPE (type));
	  eltlen = TYPE_LENGTH (elttype);
	  if (options->prettyprint_arrays)
	    {
	      print_spaces_filtered (2 + 2 * recurse, stream);
	    }
	  /* If 's' format is used, try to print out as string.
	     If no format is given, print as string if element type
	     is of TYPE_CODE_CHAR and element size is 1,2 or 4.  */
	  if (options->format == 's'
	      || ((eltlen == 1 || eltlen == 2 || eltlen == 4)
		  && TYPE_CODE (elttype) == TYPE_CODE_CHAR
		  && options->format == 0))
	    {
	      /* If requested, look for the first null char and only print
	         elements up to it.  */
	      if (options->stop_print_at_null)
		{
		  unsigned int temp_len;

		  /* Look for a NULL char. */
		  for (temp_len = 0;
		       extract_unsigned_integer (valaddr + embedded_offset +
						 temp_len * eltlen, eltlen,
						 byte_order)
		       && temp_len < len && temp_len < options->print_max;
		       temp_len++);
		  len = temp_len;
		}

	      LA_PRINT_STRING (stream, TYPE_TARGET_TYPE (type),
			       valaddr + embedded_offset, len, NULL, 0,
			       options);
	      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 (pascal_object_is_vtbl_ptr_type (elttype))
		{
		  i = 1;
		  fprintf_filtered (stream, "%d vtable entries", len - 1);
		}
	      else
		{
		  i = 0;
		}
	      val_print_array_elements (type, valaddr + embedded_offset, address, stream,
					recurse, original_value, options, 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 (options->format && options->format != 's')
	{
	  print_scalar_formatted (valaddr + embedded_offset, type,
				  options, 0, stream);
	  break;
	}
      if (options->vtblprint && pascal_object_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.) */
	  /* Extract the address, assume that it is unsigned.  */
	  addr = extract_unsigned_integer (valaddr + embedded_offset,
					   TYPE_LENGTH (type), byte_order);
	  print_address_demangle (gdbarch, addr, stream, demangle);
	  break;
	}
      elttype = check_typedef (TYPE_TARGET_TYPE (type));

      addr = unpack_pointer (type, valaddr + embedded_offset);
    print_unpacked_pointer:
      elttype = check_typedef (TYPE_TARGET_TYPE (type));

      if (TYPE_CODE (elttype) == TYPE_CODE_FUNC)
	{
	  /* Try to print what function it points to.  */
	  print_address_demangle (gdbarch, addr, stream, demangle);
	  /* Return value is irrelevant except for string pointers.  */
	  return (0);
	}

      if (options->addressprint && options->format != 's')
	{
	  fputs_filtered (paddress (gdbarch, addr), 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
	      || TYPE_CODE (elttype) == TYPE_CODE_CHAR))
	  || ((TYPE_LENGTH (elttype) == 2 || TYPE_LENGTH (elttype) == 4)
	      && TYPE_CODE (elttype) == TYPE_CODE_CHAR))
	  && (options->format == 0 || options->format == 's')
	  && addr != 0)
	{
	  /* no wide string yet */
	  i = val_print_string (elttype, addr, -1, stream, options);
	}
      /* also for pointers to pascal strings */
      /* Note: this is Free Pascal specific:
	 as GDB does not recognize stabs pascal strings
	 Pascal strings are mapped to records
	 with lowercase names PM  */
      if (is_pascal_string_type (elttype, &length_pos, &length_size,
				 &string_pos, &char_type, NULL)
	  && addr != 0)
	{
	  ULONGEST string_length;
	  void *buffer;

	  buffer = xmalloc (length_size);
	  read_memory (addr + length_pos, buffer, length_size);
	  string_length = extract_unsigned_integer (buffer, length_size,
						    byte_order);
	  xfree (buffer);
	  i = val_print_string (char_type ,addr + string_pos, string_length, stream, options);
	}
      else if (pascal_object_is_vtbl_member (type))
	{
	  /* print vtbl's nicely */
	  CORE_ADDR vt_address = unpack_pointer (type, valaddr + embedded_offset);
	  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_PRINT_NAME (msymbol), stream);
	      fputs_filtered (">", stream);
	    }
	  if (vt_address && options->vtblprint)
	    {
	      struct value *vt_val;
	      struct symbol *wsym = (struct symbol *) NULL;
	      struct type *wtype;
	      struct block *block = (struct block *) NULL;
	      int is_this_fld;

	      if (msymbol != NULL)
		wsym = lookup_symbol (SYMBOL_LINKAGE_NAME (msymbol), block,
				      VAR_DOMAIN, &is_this_fld);

	      if (wsym)
		{
		  wtype = SYMBOL_TYPE (wsym);
		}
	      else
		{
		  wtype = TYPE_TARGET_TYPE (type);
		}
	      vt_val = value_at (wtype, vt_address);
	      common_val_print (vt_val, stream, recurse + 1, options,
				current_language);
	      if (options->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_REF:
      elttype = check_typedef (TYPE_TARGET_TYPE (type));
      if (options->addressprint)
	{
	  CORE_ADDR addr
	    = extract_typed_address (valaddr + embedded_offset, type);

	  fprintf_filtered (stream, "@");
          fputs_filtered (paddress (gdbarch, addr), stream);
	  if (options->deref_ref)
	    fputs_filtered (": ", stream);
	}
      /* De-reference the reference.  */
      if (options->deref_ref)
	{
	  if (TYPE_CODE (elttype) != TYPE_CODE_UNDEF)
	    {
	      struct value *deref_val =
		value_at
		(TYPE_TARGET_TYPE (type),
		 unpack_pointer (type, valaddr + embedded_offset));

	      common_val_print (deref_val, stream, recurse + 1, options,
				current_language);
	    }
	  else
	    fputs_filtered ("???", stream);
	}
      break;

    case TYPE_CODE_UNION:
      if (recurse && !options->unionprint)
	{
	  fprintf_filtered (stream, "{...}");
	  break;
	}
      /* Fall through.  */
    case TYPE_CODE_STRUCT:
      if (options->vtblprint && pascal_object_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.) */
	  /* Extract the address, assume that it is unsigned.  */
	  print_address_demangle
	    (gdbarch,
	     extract_unsigned_integer (valaddr + embedded_offset + TYPE_FIELD_BITPOS (type, VTBL_FNADDR_OFFSET) / 8,
				       TYPE_LENGTH (TYPE_FIELD_TYPE (type, VTBL_FNADDR_OFFSET)), byte_order),
	     stream, demangle);
	}
      else
	{
          if (is_pascal_string_type (type, &length_pos, &length_size,
                                     &string_pos, &char_type, NULL))
	    {
	      len = extract_unsigned_integer (valaddr + embedded_offset + length_pos, length_size, byte_order);
	      LA_PRINT_STRING (stream, char_type, 
			       valaddr + embedded_offset + string_pos,
			       len, NULL, 0, options);
	    }
	  else
	    pascal_object_print_value_fields (type, valaddr + embedded_offset, address, stream,
					      recurse, original_value, options, NULL, 0);
	}
      break;

    case TYPE_CODE_ENUM:
      if (options->format)
	{
	  print_scalar_formatted (valaddr + embedded_offset, type,
				  options, 0, stream);
	  break;
	}
      len = TYPE_NFIELDS (type);
      val = unpack_long (type, valaddr + embedded_offset);
      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_FLAGS:
      if (options->format)
	  print_scalar_formatted (valaddr + embedded_offset, type,
				  options, 0, stream);
      else
	val_print_type_code_flags (type, valaddr + embedded_offset, stream);
      break;

    case TYPE_CODE_FUNC:
      if (options->format)
	{
	  print_scalar_formatted (valaddr + embedded_offset, type,
				  options, 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 (gdbarch, address, stream, demangle);
      break;

    case TYPE_CODE_BOOL:
      if (options->format || options->output_format)
	{
	  struct value_print_options opts = *options;

	  opts.format = (options->format ? options->format
			 : options->output_format);
	  print_scalar_formatted (valaddr + embedded_offset, type,
				  &opts, 0, stream);
	}
      else
	{
	  val = unpack_long (type, valaddr + embedded_offset);
	  if (val == 0)
	    fputs_filtered ("false", stream);
	  else if (val == 1)
	    fputs_filtered ("true", stream);
	  else
	    {
	      fputs_filtered ("true (", stream);
	      fprintf_filtered (stream, "%ld)", (long int) val);
	    }
	}
      break;

    case TYPE_CODE_RANGE:
      /* FIXME: create_range_type does not set the unsigned bit in a
         range type (I think it probably should copy it from the target
         type), so we won't print values which are too large to
         fit in a signed integer correctly.  */
      /* FIXME: Doesn't handle ranges of enums correctly.  (Can't just
         print with the target type, though, because the size of our type
         and the target type might differ).  */
      /* FALLTHROUGH */

    case TYPE_CODE_INT:
      if (options->format || options->output_format)
	{
	  struct value_print_options opts = *options;

	  opts.format = (options->format ? options->format
			 : options->output_format);
	  print_scalar_formatted (valaddr + embedded_offset, type,
				  &opts, 0, stream);
	}
      else
	{
	  val_print_type_code_int (type, valaddr + embedded_offset, stream);
	}
      break;

    case TYPE_CODE_CHAR:
      if (options->format || options->output_format)
	{
	  struct value_print_options opts = *options;

	  opts.format = (options->format ? options->format
			 : options->output_format);
	  print_scalar_formatted (valaddr + embedded_offset, type,
				  &opts, 0, stream);
	}
      else
	{
	  val = unpack_long (type, valaddr + embedded_offset);
	  if (TYPE_UNSIGNED (type))
	    fprintf_filtered (stream, "%u", (unsigned int) val);
	  else
	    fprintf_filtered (stream, "%d", (int) val);
	  fputs_filtered (" ", stream);
	  LA_PRINT_CHAR ((unsigned char) val, type, stream);
	}
      break;

    case TYPE_CODE_FLT:
      if (options->format)
	{
	  print_scalar_formatted (valaddr + embedded_offset, type,
				  options, 0, stream);
	}
      else
	{
	  print_floating (valaddr + embedded_offset, type, stream);
	}
      break;

    case TYPE_CODE_BITSTRING:
    case TYPE_CODE_SET:
      elttype = TYPE_INDEX_TYPE (type);
      CHECK_TYPEDEF (elttype);
      if (TYPE_STUB (elttype))
	{
	  fprintf_filtered (stream, "<incomplete type>");
	  gdb_flush (stream);
	  break;
	}
      else
	{
	  struct type *range = elttype;
	  LONGEST low_bound, high_bound;
	  int i;
	  int is_bitstring = TYPE_CODE (type) == TYPE_CODE_BITSTRING;
	  int need_comma = 0;

	  if (is_bitstring)
	    fputs_filtered ("B'", stream);
	  else
	    fputs_filtered ("[", stream);

	  i = get_discrete_bounds (range, &low_bound, &high_bound);
	  if (low_bound == 0 && high_bound == -1 && TYPE_LENGTH (type) > 0)
	    {
	      /* If we know the size of the set type, we can figure out the
	      maximum value.  */
	      i = 0;
	      high_bound = TYPE_LENGTH (type) * TARGET_CHAR_BIT - 1;
	      TYPE_HIGH_BOUND (range) = high_bound;
	    }
	maybe_bad_bstring:
	  if (i < 0)
	    {
	      fputs_filtered ("<error value>", stream);
	      goto done;
	    }

	  for (i = low_bound; i <= high_bound; i++)
	    {
	      int element = value_bit_index (type, valaddr + embedded_offset, i);

	      if (element < 0)
		{
		  i = element;
		  goto maybe_bad_bstring;
		}
	      if (is_bitstring)
		fprintf_filtered (stream, "%d", element);
	      else if (element)
		{
		  if (need_comma)
		    fputs_filtered (", ", stream);
		  print_type_scalar (range, i, stream);
		  need_comma = 1;

		  if (i + 1 <= high_bound && value_bit_index (type, valaddr + embedded_offset, ++i))
		    {
		      int j = i;

		      fputs_filtered ("..", stream);
		      while (i + 1 <= high_bound
			     && value_bit_index (type, valaddr + embedded_offset, ++i))
			j = i;
		      print_type_scalar (range, j, stream);
		    }
		}
	    }
	done:
	  if (is_bitstring)
	    fputs_filtered ("'", stream);
	  else
	    fputs_filtered ("]", stream);
	}
      break;

    case TYPE_CODE_VOID:
      fprintf_filtered (stream, "void");
      break;

    case TYPE_CODE_ERROR:
      fprintf_filtered (stream, "%s", TYPE_ERROR_NAME (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 pascal type code %d in symbol table."), TYPE_CODE (type));
    }
  gdb_flush (stream);
  return (0);
}
コード例 #12
0
ファイル: ch-typeprint.c プロジェクト: kjseefried/pm3
static void
chill_type_print_base (struct type *type, struct ui_file *stream, int show,
		       int level)
{
  register int len;
  register int i;
  struct type *index_type;
  struct type *range_type;
  LONGEST low_bound;
  LONGEST high_bound;

  QUIT;

  wrap_here ("    ");
  if (type == NULL)
    {
      fputs_filtered ("<type unknown>", stream);
      return;
    }

  /* When SHOW is zero or less, and there is a valid type name, then always
     just print the type name directly from the type. */

  if ((show <= 0) && (TYPE_NAME (type) != NULL))
    {
      fputs_filtered (TYPE_NAME (type), stream);
      return;
    }

  if (TYPE_CODE (type) != TYPE_CODE_TYPEDEF)
    CHECK_TYPEDEF (type);

  switch (TYPE_CODE (type))
    {
    case TYPE_CODE_TYPEDEF:
      chill_type_print_base (TYPE_TARGET_TYPE (type), stream, 0, level);
      break;
    case TYPE_CODE_PTR:
      if (TYPE_CODE (TYPE_TARGET_TYPE (type)) == TYPE_CODE_VOID)
	{
	  fprintf_filtered (stream,
			    TYPE_NAME (type) ? TYPE_NAME (type) : "PTR");
	  break;
	}
      fprintf_filtered (stream, "REF ");
      chill_type_print_base (TYPE_TARGET_TYPE (type), stream, 0, level);
      break;

    case TYPE_CODE_BOOL:
      /* FIXME: we should probably just print the TYPE_NAME, in case
         anyone ever fixes the compiler to give us the real names
         in the presence of the chill equivalent of typedef (assuming
         there is one).  */
      fprintf_filtered (stream,
			TYPE_NAME (type) ? TYPE_NAME (type) : "BOOL");
      break;

    case TYPE_CODE_ARRAY:
      fputs_filtered ("ARRAY (", stream);
      range_type = TYPE_FIELD_TYPE (type, 0);
      if (TYPE_CODE (range_type) != TYPE_CODE_RANGE)
	chill_print_type (range_type, "", stream, 0, level);
      else
	{
	  index_type = TYPE_TARGET_TYPE (range_type);
	  low_bound = TYPE_FIELD_BITPOS (range_type, 0);
	  high_bound = TYPE_FIELD_BITPOS (range_type, 1);
	  print_type_scalar (index_type, low_bound, stream);
	  fputs_filtered (":", stream);
	  print_type_scalar (index_type, high_bound, stream);
	}
      fputs_filtered (") ", stream);
      chill_print_type (TYPE_TARGET_TYPE (type), "", stream, 0, level);
      break;

    case TYPE_CODE_BITSTRING:
      fprintf_filtered (stream, "BOOLS (%d)",
		      TYPE_FIELD_BITPOS (TYPE_FIELD_TYPE (type, 0), 1) + 1);
      break;

    case TYPE_CODE_SET:
      fputs_filtered ("POWERSET ", stream);
      chill_print_type (TYPE_INDEX_TYPE (type), "", stream,
			show - 1, level);
      break;

    case TYPE_CODE_STRING:
      range_type = TYPE_FIELD_TYPE (type, 0);
      index_type = TYPE_TARGET_TYPE (range_type);
      high_bound = TYPE_FIELD_BITPOS (range_type, 1);
      fputs_filtered ("CHARS (", stream);
      print_type_scalar (index_type, high_bound + 1, stream);
      fputs_filtered (")", stream);
      break;

    case TYPE_CODE_MEMBER:
      fprintf_filtered (stream, "MEMBER ");
      chill_type_print_base (TYPE_TARGET_TYPE (type), stream, 0, level);
      break;
    case TYPE_CODE_REF:
      fprintf_filtered (stream, "/*LOC*/ ");
      chill_type_print_base (TYPE_TARGET_TYPE (type), stream, show, level);
      break;
    case TYPE_CODE_FUNC:
      fprintf_filtered (stream, "PROC (");
      len = TYPE_NFIELDS (type);
      for (i = 0; i < len; i++)
	{
	  struct type *param_type = TYPE_FIELD_TYPE (type, i);
	  if (i > 0)
	    {
	      fputs_filtered (", ", stream);
	      wrap_here ("    ");
	    }
	  if (TYPE_CODE (param_type) == TYPE_CODE_REF)
	    {
	      chill_type_print_base (TYPE_TARGET_TYPE (param_type),
				     stream, 0, level);
	      fputs_filtered (" LOC", stream);
	    }
	  else
	    chill_type_print_base (param_type, stream, show, level);
	}
      fprintf_filtered (stream, ")");
      if (TYPE_CODE (TYPE_TARGET_TYPE (type)) != TYPE_CODE_VOID)
	{
	  fputs_filtered (" RETURNS (", stream);
	  chill_type_print_base (TYPE_TARGET_TYPE (type), stream, 0, level);
	  fputs_filtered (")", stream);
	}
      break;

    case TYPE_CODE_STRUCT:
      if (chill_varying_type (type))
	{
	  chill_type_print_base (TYPE_FIELD_TYPE (type, 1),
				 stream, 0, level);
	  fputs_filtered (" VARYING", stream);
	}
      else
	{
	  fprintf_filtered (stream, "STRUCT ");

	  fprintf_filtered (stream, "(\n");
	  if ((TYPE_NFIELDS (type) == 0) && (TYPE_NFN_FIELDS (type) == 0))
	    {
	      if (TYPE_FLAGS (type) & TYPE_FLAG_STUB)
		{
		  fprintfi_filtered (level + 4, stream, "<incomplete type>\n");
		}
	      else
		{
		  fprintfi_filtered (level + 4, stream, "<no data fields>\n");
		}
	    }
	  else
	    {
	      len = TYPE_NFIELDS (type);
	      for (i = TYPE_N_BASECLASSES (type); i < len; i++)
		{
		  struct type *field_type = TYPE_FIELD_TYPE (type, i);
		  QUIT;
		  print_spaces_filtered (level + 4, stream);
		  if (TYPE_CODE (field_type) == TYPE_CODE_UNION)
		    {
		      int j;	/* variant number */
		      fputs_filtered ("CASE OF\n", stream);
		      for (j = 0; j < TYPE_NFIELDS (field_type); j++)
			{
			  int k;	/* variant field index */
			  struct type *variant_type
			  = TYPE_FIELD_TYPE (field_type, j);
			  int var_len = TYPE_NFIELDS (variant_type);
			  print_spaces_filtered (level + 4, stream);
			  if (strcmp (TYPE_FIELD_NAME (field_type, j),
				      "else") == 0)
			    fputs_filtered ("ELSE\n", stream);
			  else
			    fputs_filtered (":\n", stream);
			  if (TYPE_CODE (variant_type) != TYPE_CODE_STRUCT)
			    error ("variant record confusion");
			  for (k = 0; k < var_len; k++)
			    {
			      print_spaces_filtered (level + 8, stream);
			      chill_print_type (TYPE_FIELD_TYPE (variant_type, k),
					  TYPE_FIELD_NAME (variant_type, k),
						stream, show - 1, level + 8);
			      if (k < (var_len - 1))
				fputs_filtered (",", stream);
			      fputs_filtered ("\n", stream);
			    }
			}
		      print_spaces_filtered (level + 4, stream);
		      fputs_filtered ("ESAC", stream);
		    }
		  else
		    chill_print_type (field_type,
				      TYPE_FIELD_NAME (type, i),
				      stream, show - 1, level + 4);
		  if (i < (len - 1))
		    {
		      fputs_filtered (",", stream);
		    }
		  fputs_filtered ("\n", stream);
		}
	    }
	  fprintfi_filtered (level, stream, ")");
	}
      break;

    case TYPE_CODE_RANGE:
      {
	struct type *target = TYPE_TARGET_TYPE (type);
	if (target && TYPE_NAME (target))
	  fputs_filtered (TYPE_NAME (target), stream);
	else
	  fputs_filtered ("RANGE", stream);
	if (target == NULL)
	  target = builtin_type_long;
	fputs_filtered (" (", stream);
	print_type_scalar (target, TYPE_LOW_BOUND (type), stream);
	fputs_filtered (":", stream);
	print_type_scalar (target, TYPE_HIGH_BOUND (type), stream);
	fputs_filtered (")", stream);
      }
      break;

    case TYPE_CODE_ENUM:
      {
	register int lastval = 0;
	fprintf_filtered (stream, "SET (");
	len = TYPE_NFIELDS (type);
	for (i = 0; i < len; i++)
	  {
	    QUIT;
	    if (i)
	      fprintf_filtered (stream, ", ");
	    wrap_here ("    ");
	    fputs_filtered (TYPE_FIELD_NAME (type, i), stream);
	    if (lastval != TYPE_FIELD_BITPOS (type, i))
	      {
		fprintf_filtered (stream, " = %d", TYPE_FIELD_BITPOS (type, i));
		lastval = TYPE_FIELD_BITPOS (type, i);
	      }
	    lastval++;
	  }
	fprintf_filtered (stream, ")");
      }
      break;

    case TYPE_CODE_VOID:
    case TYPE_CODE_UNDEF:
    case TYPE_CODE_ERROR:
    case TYPE_CODE_UNION:
    case TYPE_CODE_METHOD:
      error ("missing language support in chill_type_print_base");
      break;

    default:

      /* Handle types not explicitly handled by the other cases,
         such as fundamental types.  For these, just print whatever
         the type name is, as recorded in the type itself.  If there
         is no type name, then complain. */

      if (TYPE_NAME (type) != NULL)
	{
	  fputs_filtered (TYPE_NAME (type), stream);
	}
      else
	{
	  error ("Unrecognized type code (%d) in symbol table.",
		 TYPE_CODE (type));
	}
      break;
    }
}