Beispiel #1
0
void
c_type_print_base (struct type *type, struct ui_file *stream,
		   int show, int level)
{
  int i;
  int len, real_len;
  enum
    {
      s_none, s_public, s_private, s_protected
    }
  section_type;
  int need_access_label = 0;
  int j, len2;

  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 we have "typedef struct foo {. . .} bar;" do we want to print
     it as "struct foo" or as "bar"?  Pick the latter, because C++
     folk tend to expect things like "class5 *foo" rather than "struct
     class5 *foo".  */

  if (show <= 0
      && TYPE_NAME (type) != NULL)
    {
      c_type_print_modifier (type, stream, 0, 1);
      fputs_filtered (TYPE_NAME (type), stream);
      return;
    }

  CHECK_TYPEDEF (type);

  switch (TYPE_CODE (type))
    {
    case TYPE_CODE_TYPEDEF:
      /* If we get here, the typedef doesn't have a name, and we
	 couldn't resolve TYPE_TARGET_TYPE.  Not much we can do.  */
      gdb_assert (TYPE_NAME (type) == NULL);
      gdb_assert (TYPE_TARGET_TYPE (type) == NULL);
      fprintf_filtered (stream, _("<unnamed typedef>"));
      break;

    case TYPE_CODE_ARRAY:
    case TYPE_CODE_PTR:
    case TYPE_CODE_MEMBERPTR:
    case TYPE_CODE_REF:
    case TYPE_CODE_FUNC:
    case TYPE_CODE_METHOD:
    case TYPE_CODE_METHODPTR:
      c_type_print_base (TYPE_TARGET_TYPE (type),
			 stream, show, level);
      break;

    case TYPE_CODE_STRUCT:
    case TYPE_CODE_UNION:
      c_type_print_modifier (type, stream, 0, 1);
      if (TYPE_CODE (type) == TYPE_CODE_UNION)
	fprintf_filtered (stream, "union ");
      else if (TYPE_DECLARED_CLASS (type))
	fprintf_filtered (stream, "class ");
      else
	fprintf_filtered (stream, "struct ");

      /* Print the tag if it exists.  The HP aCC compiler emits a
         spurious "{unnamed struct}"/"{unnamed union}"/"{unnamed
         enum}" tag for unnamed struct/union/enum's, which we don't
         want to print.  */
      if (TYPE_TAG_NAME (type) != NULL
	  && strncmp (TYPE_TAG_NAME (type), "{unnamed", 8))
	{
	  fputs_filtered (TYPE_TAG_NAME (type), stream);
	  if (show > 0)
	    fputs_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)
	{
	  struct type *basetype;
	  int vptr_fieldno;

	  cp_type_print_derivation_info (stream, type);

	  fprintf_filtered (stream, "{\n");
	  if (TYPE_NFIELDS (type) == 0 && TYPE_NFN_FIELDS (type) == 0
	      && TYPE_TYPEDEF_FIELD_COUNT (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;

	  /* For a class, if all members are private, there's no need
	     for a "private:" label; similarly, for a struct or union
	     masquerading as a class, if all members are public, there's
	     no need for a "public:" label.  */

	  if (TYPE_DECLARED_CLASS (type))
	    {
	      QUIT;
	      len = TYPE_NFIELDS (type);
	      for (i = TYPE_N_BASECLASSES (type); i < len; i++)
		if (!TYPE_FIELD_PRIVATE (type, i))
		  {
		    need_access_label = 1;
		    break;
		  }
	      QUIT;
	      if (!need_access_label)
		{
		  len2 = TYPE_NFN_FIELDS (type);
		  for (j = 0; j < len2; j++)
		    {
		      len = TYPE_FN_FIELDLIST_LENGTH (type, j);
		      for (i = 0; i < len; i++)
			if (!TYPE_FN_FIELD_PRIVATE (TYPE_FN_FIELDLIST1 (type,
									j), i))
			  {
			    need_access_label = 1;
			    break;
			  }
		      if (need_access_label)
			break;
		    }
		}
	    }
	  else
	    {
	      QUIT;
	      len = TYPE_NFIELDS (type);
	      for (i = TYPE_N_BASECLASSES (type); i < len; i++)
		if (TYPE_FIELD_PRIVATE (type, i)
		    || TYPE_FIELD_PROTECTED (type, i))
		  {
		    need_access_label = 1;
		    break;
		  }
	      QUIT;
	      if (!need_access_label)
		{
		  len2 = TYPE_NFN_FIELDS (type);
		  for (j = 0; j < len2; j++)
		    {
		      QUIT;
		      len = TYPE_FN_FIELDLIST_LENGTH (type, j);
		      for (i = 0; i < len; i++)
			if (TYPE_FN_FIELD_PROTECTED (TYPE_FN_FIELDLIST1 (type,
									 j), i)
			    || TYPE_FN_FIELD_PRIVATE (TYPE_FN_FIELDLIST1 (type,
									  j),
						      i))
			  {
			    need_access_label = 1;
			    break;
			  }
		      if (need_access_label)
			break;
		    }
		}
	    }

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

	  len = TYPE_NFIELDS (type);
	  vptr_fieldno = get_vptr_fieldno (type, &basetype);
	  for (i = TYPE_N_BASECLASSES (type); i < len; i++)
	    {
	      QUIT;

	      /* If we have a virtual table pointer, omit it.  Even if
		 virtual table pointers are not specifically marked in
		 the debug info, they should be artificial.  */
	      if ((i == vptr_fieldno && type == basetype)
		  || TYPE_FIELD_ARTIFICIAL (type, i))
		continue;

	      if (need_access_label)
		{
		  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 (field_is_static (&TYPE_FIELD (type, i)))
		fprintf_filtered (stream, "static ");
	      c_print_type (TYPE_FIELD_TYPE (type, i),
			    TYPE_FIELD_NAME (type, i),
			    stream, show - 1, level + 4);
	      if (!field_is_static (&TYPE_FIELD (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 blank line
	     between them.  Make sure to count only method that we
	     will display; artificial methods will be hidden.  */
	  len = TYPE_NFN_FIELDS (type);
	  real_len = 0;
	  for (i = 0; i < len; i++)
	    {
	      struct fn_field *f = TYPE_FN_FIELDLIST1 (type, i);
	      int len2 = TYPE_FN_FIELDLIST_LENGTH (type, i);
	      int j;

	      for (j = 0; j < len2; j++)
		if (!TYPE_FN_FIELD_ARTIFICIAL (f, j))
		  real_len++;
	    }
	  if (real_len > 0 && section_type != s_none)
	    fprintf_filtered (stream, "\n");

	  /* C++: 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);
	      const char *method_name = TYPE_FN_FIELDLIST_NAME (type, i);
	      const char *name = type_name_no_tag (type);
	      int is_constructor = name && strcmp (method_name,
						   name) == 0;

	      for (j = 0; j < len2; j++)
		{
		  const char *mangled_name;
		  char *demangled_name;
		  struct cleanup *inner_cleanup;
		  const char *physname = TYPE_FN_FIELD_PHYSNAME (f, j);
		  int is_full_physname_constructor =
		    is_constructor_name (physname) 
		    || is_destructor_name (physname)
		    || method_name[0] == '~';

		  /* Do not print out artificial methods.  */
		  if (TYPE_FN_FIELD_ARTIFICIAL (f, j))
		    continue;

		  inner_cleanup = make_cleanup (null_cleanup, NULL);

		  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_VIRTUAL_P (f, j))
		    fprintf_filtered (stream, "virtual ");
		  else 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;
		    }
		  else if (!is_constructor	/* Constructors don't
						   have declared
						   types.  */
			   && !is_full_physname_constructor  /* " " */
			   && !is_type_conversion_operator (type, i, j))
		    {
		      type_print (TYPE_TARGET_TYPE (TYPE_FN_FIELD_TYPE (f, j)),
				  "", stream, -1);
		      fputs_filtered (" ", stream);
		    }
		  if (TYPE_FN_FIELD_STUB (f, j))
		    {
		      char *tem;

		      /* Build something we can demangle.  */
		      tem = gdb_mangle_name (type, i, j);
		      make_cleanup (xfree, tem);
		      mangled_name = tem;
		    }
		  else
		    mangled_name = TYPE_FN_FIELD_PHYSNAME (f, j);

		  demangled_name =
		    cplus_demangle (mangled_name,
				    DMGL_ANSI | DMGL_PARAMS);
		  if (demangled_name == NULL)
		    {
		      /* In some cases (for instance with the HP
		         demangling), if a function has more than 10
		         arguments, the demangling will fail.
		         Let's try to reconstruct the function
		         signature from the symbol information.  */
		      if (!TYPE_FN_FIELD_STUB (f, j))
			{
			  int staticp = TYPE_FN_FIELD_STATIC_P (f, j);
			  struct type *mtype = TYPE_FN_FIELD_TYPE (f, j);

			  cp_type_print_method_args (mtype,
						     "",
						     method_name,
						     staticp,
						     stream);
			}
		      else
			fprintf_filtered (stream,
					  _("<badly mangled name '%s'>"),
					  mangled_name);
		    }
		  else
		    {
		      char *p;
		      char *demangled_no_class
			= remove_qualifiers (demangled_name);

		      /* Get rid of the `static' appended by the
			 demangler.  */
		      p = strstr (demangled_no_class, " static");
		      if (p != NULL)
			{
			  int length = p - demangled_no_class;
			  char *demangled_no_static;

			  demangled_no_static
			    = (char *) xmalloc (length + 1);
			  strncpy (demangled_no_static,
				   demangled_no_class, length);
			  *(demangled_no_static + length) = '\0';
			  fputs_filtered (demangled_no_static, stream);
			  xfree (demangled_no_static);
			}
		      else
			fputs_filtered (demangled_no_class, stream);
		      xfree (demangled_name);
		    }

		  do_cleanups (inner_cleanup);

		  fprintf_filtered (stream, ";\n");
		}
	    }

	  /* Print typedefs defined in this class.  */

	  if (TYPE_TYPEDEF_FIELD_COUNT (type) != 0)
	    {
	      if (TYPE_NFIELDS (type) != 0 || TYPE_NFN_FIELDS (type) != 0)
		fprintf_filtered (stream, "\n");

	      for (i = 0; i < TYPE_TYPEDEF_FIELD_COUNT (type); i++)
		{
		  struct type *target = TYPE_TYPEDEF_FIELD_TYPE (type, i);

		  /* Dereference the typedef declaration itself.  */
		  gdb_assert (TYPE_CODE (target) == TYPE_CODE_TYPEDEF);
		  target = TYPE_TARGET_TYPE (target);

		  print_spaces_filtered (level + 4, stream);
		  fprintf_filtered (stream, "typedef ");
		  c_print_type (target, TYPE_TYPEDEF_FIELD_NAME (type, i),
				stream, show - 1, level + 4);
		  fprintf_filtered (stream, ";\n");
		}
	    }

	  fprintfi_filtered (level, stream, "}");

	  if (TYPE_LOCALTYPE_PTR (type) && show >= 0)
	    fprintfi_filtered (level,
			       stream, _(" (Local at %s:%d)\n"),
			       TYPE_LOCALTYPE_FILE (type),
			       TYPE_LOCALTYPE_LINE (type));
	}
      break;

    case TYPE_CODE_ENUM:
      c_type_print_modifier (type, stream, 0, 1);
      fprintf_filtered (stream, "enum ");
      /* Print the tag name if it exists.
         The aCC compiler emits a spurious 
         "{unnamed struct}"/"{unnamed union}"/"{unnamed enum}"
         tag for unnamed struct/union/enum's, which we don't
         want to print.  */
      if (TYPE_TAG_NAME (type) != NULL
	  && strncmp (TYPE_TAG_NAME (type), "{unnamed", 8))
	{
	  fputs_filtered (TYPE_TAG_NAME (type), stream);
	  if (show > 0)
	    fputs_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)
	{
	  LONGEST lastval = 0;

	  fprintf_filtered (stream, "{");
	  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_ENUMVAL (type, i))
		{
		  fprintf_filtered (stream, " = %s",
				    plongest (TYPE_FIELD_ENUMVAL (type, i)));
		  lastval = TYPE_FIELD_ENUMVAL (type, i);
		}
	      lastval++;
	    }
	  fprintf_filtered (stream, "}");
	}
      break;

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

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

    case TYPE_CODE_ERROR:
      fprintf_filtered (stream, "%s", TYPE_ERROR_NAME (type));
      break;

    case TYPE_CODE_RANGE:
      /* This should not occur.  */
      fprintf_filtered (stream, _("<range type>"));
      break;

    case TYPE_CODE_NAMESPACE:
      fputs_filtered ("namespace ", stream);
      fputs_filtered (TYPE_TAG_NAME (type), 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)
	{
	  c_type_print_modifier (type, stream, 0, 1);
	  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 type code %d>"),
			    TYPE_CODE (type));
	}
      break;
    }
}
Beispiel #2
0
static void
java_type_print_base (struct type *type, struct ui_file *stream, int show,
		      int level)
{
  int i;
  int len;
  char *mangled_name;
  char *demangled_name;
  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;
    }

  CHECK_TYPEDEF (type);

  switch (TYPE_CODE (type))
    {
    case TYPE_CODE_PTR:
      java_type_print_base (TYPE_TARGET_TYPE (type), stream, show, level);
      break;

    case TYPE_CODE_STRUCT:
      if (TYPE_TAG_NAME (type) != NULL && TYPE_TAG_NAME (type)[0] == '[')
	{			/* array type */
	  char *name = java_demangle_type_signature (TYPE_TAG_NAME (type));
	  fputs_filtered (name, stream);
	  xfree (name);
	  break;
	}

      if (show >= 0)
	fprintf_filtered (stream, "class ");

      if (TYPE_TAG_NAME (type) != NULL)
	{
	  fputs_filtered (TYPE_TAG_NAME (type), stream);
	  if (show > 0)
	    fputs_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)
	{
	  java_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");
	    }

	  /* 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 (strncmp (TYPE_FIELD_NAME (type, i), "_vptr", 5) == 0
		  && is_cplus_marker ((TYPE_FIELD_NAME (type, i))[5]))
		continue;

	      /* Don't print the dummy field "class". */
	      if (strncmp (TYPE_FIELD_NAME (type, i), "class", 5) == 0)
		continue;

	      print_spaces_filtered (level + 4, stream);

	      if (HAVE_CPLUS_STRUCT (type))
		{
		  if (TYPE_FIELD_PROTECTED (type, i))
		    fprintf_filtered (stream, "protected ");
		  else if (TYPE_FIELD_PRIVATE (type, i))
		    fprintf_filtered (stream, "private ");
		  else
		    fprintf_filtered (stream, "public ");
		}

	      if (field_is_static (&TYPE_FIELD (type, i)))
		fprintf_filtered (stream, "static ");

	      java_print_type (TYPE_FIELD_TYPE (type, i),
			       TYPE_FIELD_NAME (type, i),
			       stream, show - 1, level + 4);

	      fprintf_filtered (stream, ";\n");
	    }

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

	  /* Print out the methods */

	  for (i = 0; i < len; i++)
	    {
	      struct fn_field *f;
	      int j;
	      char *method_name;
	      char *name;
	      int is_constructor;
	      int n_overloads;

	      f = TYPE_FN_FIELDLIST1 (type, i);
	      n_overloads = TYPE_FN_FIELDLIST_LENGTH (type, i);
	      method_name = TYPE_FN_FIELDLIST_NAME (type, i);
	      name = type_name_no_tag (type);
	      is_constructor = name && strcmp (method_name, name) == 0;

	      for (j = 0; j < n_overloads; j++)
		{
		  char *real_physname, *physname, *p;
		  int is_full_physname_constructor;

		  real_physname = TYPE_FN_FIELD_PHYSNAME (f, j);

		  /* The physname will contain the return type
		     after the final closing parenthesis.  Strip it off.  */
		  p = strrchr (real_physname, ')');
		  gdb_assert (p != NULL);
		  ++p;   /* Keep the trailing ')'.  */
		  physname = alloca (p - real_physname + 1);
		  memcpy (physname, real_physname, p - real_physname);
		  physname[p - real_physname] = '\0';

		  is_full_physname_constructor
                    = (is_constructor_name (physname)
                       || is_destructor_name (physname));

		  QUIT;

		  print_spaces_filtered (level + 4, stream);

		  if (TYPE_FN_FIELD_PROTECTED (f, j))
		    fprintf_filtered (stream, "protected ");
		  else if (TYPE_FN_FIELD_PRIVATE (f, j))
		    fprintf_filtered (stream, "private ");
		  else if (TYPE_FN_FIELD_PUBLIC (f, j))
		    fprintf_filtered (stream, "public ");

		  if (TYPE_FN_FIELD_ABSTRACT (f, j))
		    fprintf_filtered (stream, "abstract ");
		  if (TYPE_FN_FIELD_STATIC (f, j))
		    fprintf_filtered (stream, "static ");
		  if (TYPE_FN_FIELD_FINAL (f, j))
		    fprintf_filtered (stream, "final ");
		  if (TYPE_FN_FIELD_SYNCHRONIZED (f, j))
		    fprintf_filtered (stream, "synchronized ");
		  if (TYPE_FN_FIELD_NATIVE (f, j))
		    fprintf_filtered (stream, "native ");

		  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;
		    }
		  else if (!is_constructor && !is_full_physname_constructor)
		    {
		      type_print (TYPE_TARGET_TYPE (TYPE_FN_FIELD_TYPE (f, j)),
				  "", stream, -1);
		      fputs_filtered (" ", stream);
		    }

		  if (TYPE_FN_FIELD_STUB (f, j))
		    /* Build something we can demangle.  */
		    mangled_name = gdb_mangle_name (type, i, j);
		  else
		    mangled_name = physname;

		  demangled_name =
		    cplus_demangle (mangled_name,
				    DMGL_ANSI | DMGL_PARAMS | DMGL_JAVA);

		  if (demangled_name == NULL)
		    demangled_name = xstrdup (mangled_name);

		  {
		    char *demangled_no_class;
		    char *ptr;

		    ptr = demangled_no_class = demangled_name;

		    while (1)
		      {
			char c;

			c = *ptr++;

			if (c == 0 || c == '(')
			  break;
			if (c == '.')
			  demangled_no_class = ptr;
		      }

		    fputs_filtered (demangled_no_class, stream);
		    xfree (demangled_name);
		  }

		  if (TYPE_FN_FIELD_STUB (f, j))
		    xfree (mangled_name);

		  fprintf_filtered (stream, ";\n");
		}
	    }

	  fprintfi_filtered (level, stream, "}");
	}
      break;

    default:
      c_type_print_base (type, stream, show, level);
    }
}
static void
java_print_value_fields (struct type *type, const gdb_byte *valaddr,
			 CORE_ADDR address, struct ui_file *stream,
			 int recurse,
			 const struct value_print_options *options)
{
  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);
	  const gdb_byte *base_valaddr;

	  if (BASETYPE_VIA_VIRTUAL (type, i))
	    continue;

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

	  boffset = 0;

	  if (options->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, recurse + 1, options);
	  fputs_filtered (", ", stream);
	}

    }

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

      for (i = n_baseclasses; i < len; i++)
	{
	  /* If requested, skip printing of static fields.  */
	  if (field_is_static (&TYPE_FIELD (type, i)))
	    {
	      char *name = TYPE_FIELD_NAME (type, i);
	      if (!options->static_field_print)
		continue;
	      if (name != NULL && strcmp (name, "class") == 0)
		continue;
	    }
	  if (fields_seen)
	    fprintf_filtered (stream, ", ");
	  else if (n_baseclasses > 0)
	    {
	      if (options->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 (options->pretty)
	    {
	      fprintf_filtered (stream, "\n");
	      print_spaces_filtered (2 + 2 * recurse, stream);
	    }
	  else
	    {
	      wrap_here (n_spaces (2 + 2 * recurse));
	    }
	  if (options->inspect_it)
	    {
	      if (TYPE_CODE (TYPE_FIELD_TYPE (type, i)) == TYPE_CODE_PTR)
		fputs_filtered ("\"( ptr \"", stream);
	      else
		fputs_filtered ("\"( nodef \"", stream);
	      if (field_is_static (&TYPE_FIELD (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 (field_is_static (&TYPE_FIELD (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 (!field_is_static (&TYPE_FIELD (type, i))
	      && TYPE_FIELD_PACKED (type, i))
	    {
	      struct value *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
		{
		  struct value_print_options opts;

		  v = value_from_longest (TYPE_FIELD_TYPE (type, i),
				   unpack_field_as_long (type, valaddr, i));

		  opts = *options;
		  opts.deref_ref = 0;
		  common_val_print (v, stream, recurse + 1,
				    &opts, current_language);
		}
	    }
	  else
	    {
	      if (TYPE_FIELD_IGNORE (type, i))
		{
		  fputs_filtered ("<optimized out or zero length>", stream);
		}
	      else if (field_is_static (&TYPE_FIELD (type, i)))
		{
		  struct value *v = value_static_field (type, i);
		  if (v == NULL)
		    fputs_filtered ("<optimized out>", stream);
		  else
		    {
		      struct value_print_options opts;
		      struct type *t = check_typedef (value_type (v));
		      if (TYPE_CODE (t) == TYPE_CODE_STRUCT)
			v = value_addr (v);
		      opts = *options;
		      opts.deref_ref = 0;
		      common_val_print (v, stream, recurse + 1,
					&opts, current_language);
		    }
		}
	      else if (TYPE_FIELD_TYPE (type, i) == NULL)
		fputs_filtered ("<unknown type>", stream);
	      else
		{
		  struct value_print_options opts = *options;
		  opts.deref_ref = 0;
		  val_print (TYPE_FIELD_TYPE (type, i),
			     valaddr + TYPE_FIELD_BITPOS (type, i) / 8, 0,
			     address + TYPE_FIELD_BITPOS (type, i) / 8,
			     stream, recurse + 1, &opts,
			     current_language);
		}
	    }
	  annotate_field_end ();
	}

      if (options->pretty)
	{
	  fprintf_filtered (stream, "\n");
	  print_spaces_filtered (2 * recurse, stream);
	}
    }
  fprintf_filtered (stream, "}");
}
Beispiel #4
0
static struct type *
java_link_class_type (struct gdbarch *gdbarch,
		      struct type *type, struct value *clas)
{
  struct value *temp;
  const char *unqualified_name;
  const char *name = TYPE_TAG_NAME (type);
  int ninterfaces, nfields, nmethods;
  int type_is_object = 0;
  struct fn_field *fn_fields;
  struct fn_fieldlist *fn_fieldlists;
  struct value *fields;
  struct value *methods;
  struct value *method = NULL;
  struct value *field = NULL;
  int i, j;
  struct objfile *objfile = get_dynamics_objfile (gdbarch);
  struct type *tsuper;

  gdb_assert (name != NULL);
  unqualified_name = strrchr (name, '.');
  if (unqualified_name == NULL)
    unqualified_name = name;

  temp = clas;
  temp = value_struct_elt (&temp, NULL, "superclass", NULL, "structure");
  if (strcmp (name, "java.lang.Object") == 0)
    {
      tsuper = get_java_object_type ();
      if (tsuper && TYPE_CODE (tsuper) == TYPE_CODE_PTR)
	tsuper = TYPE_TARGET_TYPE (tsuper);
      type_is_object = 1;
    }
  else
    tsuper = type_from_class (gdbarch, temp);

#if 1
  ninterfaces = 0;
#else
  temp = clas;
  ninterfaces = value_as_long (value_struct_elt (&temp, NULL, "interface_len",
						 NULL, "structure"));
#endif
  TYPE_N_BASECLASSES (type) = (tsuper == NULL ? 0 : 1) + ninterfaces;
  temp = clas;
  nfields = value_as_long (value_struct_elt (&temp, NULL, "field_count",
					     NULL, "structure"));
  nfields += TYPE_N_BASECLASSES (type);
  nfields++;			/* Add one for dummy "class" field.  */
  TYPE_NFIELDS (type) = nfields;
  TYPE_FIELDS (type) = (struct field *)
    TYPE_ALLOC (type, sizeof (struct field) * nfields);

  memset (TYPE_FIELDS (type), 0, sizeof (struct field) * nfields);

  TYPE_FIELD_PRIVATE_BITS (type) =
    (B_TYPE *) TYPE_ALLOC (type, B_BYTES (nfields));
  B_CLRALL (TYPE_FIELD_PRIVATE_BITS (type), nfields);

  TYPE_FIELD_PROTECTED_BITS (type) =
    (B_TYPE *) TYPE_ALLOC (type, B_BYTES (nfields));
  B_CLRALL (TYPE_FIELD_PROTECTED_BITS (type), nfields);

  TYPE_FIELD_IGNORE_BITS (type) =
    (B_TYPE *) TYPE_ALLOC (type, B_BYTES (nfields));
  B_CLRALL (TYPE_FIELD_IGNORE_BITS (type), nfields);

  TYPE_FIELD_VIRTUAL_BITS (type) = (B_TYPE *)
    TYPE_ALLOC (type, B_BYTES (TYPE_N_BASECLASSES (type)));
  B_CLRALL (TYPE_FIELD_VIRTUAL_BITS (type), TYPE_N_BASECLASSES (type));

  if (tsuper != NULL)
    {
      TYPE_BASECLASS (type, 0) = tsuper;
      if (type_is_object)
	SET_TYPE_FIELD_PRIVATE (type, 0);
    }

  i = strlen (name);
  if (i > 2 && name[i - 1] == ']' && tsuper != NULL)
    {
      /* FIXME */
      TYPE_LENGTH (type) = TYPE_LENGTH (tsuper) + 4;   /* size with "length" */
    }
  else
    {
      temp = clas;
      temp = value_struct_elt (&temp, NULL, "size_in_bytes",
			       NULL, "structure");
      TYPE_LENGTH (type) = value_as_long (temp);
    }

  fields = NULL;
  nfields--;			/* First set up dummy "class" field.  */
  SET_FIELD_PHYSADDR (TYPE_FIELD (type, nfields), value_address (clas));
  TYPE_FIELD_NAME (type, nfields) = "class";
  TYPE_FIELD_TYPE (type, nfields) = value_type (clas);
  SET_TYPE_FIELD_PRIVATE (type, nfields);

  for (i = TYPE_N_BASECLASSES (type); i < nfields; i++)
    {
      int accflags;
      int boffset;

      if (fields == NULL)
	{
	  temp = clas;
	  fields = value_struct_elt (&temp, NULL, "fields", NULL, "structure");
	  field = value_ind (fields);
	}
      else
	{			/* Re-use field value for next field.  */
	  CORE_ADDR addr
	    = value_address (field) + TYPE_LENGTH (value_type (field));

	  set_value_address (field, addr);
	  set_value_lazy (field, 1);
	}
      temp = field;
      temp = value_struct_elt (&temp, NULL, "name", NULL, "structure");
      TYPE_FIELD_NAME (type, i) =
	get_java_utf8_name (&objfile->objfile_obstack, temp);
      temp = field;
      accflags = value_as_long (value_struct_elt (&temp, NULL, "accflags",
						  NULL, "structure"));
      temp = field;
      temp = value_struct_elt (&temp, NULL, "info", NULL, "structure");
      boffset = value_as_long (value_struct_elt (&temp, NULL, "boffset",
						 NULL, "structure"));
      if (accflags & 0x0001)	/* public access */
	{
	  /* ??? */
	}
      if (accflags & 0x0002)	/* private access */
	{
	  SET_TYPE_FIELD_PRIVATE (type, i);
	}
      if (accflags & 0x0004)	/* protected access */
	{
	  SET_TYPE_FIELD_PROTECTED (type, i);
	}
      if (accflags & 0x0008)	/* ACC_STATIC */
	SET_FIELD_PHYSADDR (TYPE_FIELD (type, i), boffset);
      else
	SET_FIELD_BITPOS (TYPE_FIELD (type, i), 8 * boffset);
      if (accflags & 0x8000)	/* FIELD_UNRESOLVED_FLAG */
	{
	  TYPE_FIELD_TYPE (type, i) = get_java_object_type ();	/* FIXME */
	}
      else
	{
	  struct type *ftype;

	  temp = field;
	  temp = value_struct_elt (&temp, NULL, "type", NULL, "structure");
	  ftype = type_from_class (gdbarch, temp);
	  if (TYPE_CODE (ftype) == TYPE_CODE_STRUCT)
	    ftype = lookup_pointer_type (ftype);
	  TYPE_FIELD_TYPE (type, i) = ftype;
	}
    }

  temp = clas;
  nmethods = value_as_long (value_struct_elt (&temp, NULL, "method_count",
					      NULL, "structure"));
  j = nmethods * sizeof (struct fn_field);
  fn_fields = (struct fn_field *)
    obstack_alloc (&objfile->objfile_obstack, j);
  memset (fn_fields, 0, j);
  fn_fieldlists = (struct fn_fieldlist *)
    alloca (nmethods * sizeof (struct fn_fieldlist));

  methods = NULL;
  for (i = 0; i < nmethods; i++)
    {
      const char *mname;
      int k;

      if (methods == NULL)
	{
	  temp = clas;
	  methods = value_struct_elt (&temp, NULL, "methods",
				      NULL, "structure");
	  method = value_ind (methods);
	}
      else
	{			/* Re-use method value for next method.  */
	  CORE_ADDR addr
	    = value_address (method) + TYPE_LENGTH (value_type (method));

	  set_value_address (method, addr);
	  set_value_lazy (method, 1);
	}

      /* Get method name.  */
      temp = method;
      temp = value_struct_elt (&temp, NULL, "name", NULL, "structure");
      mname = get_java_utf8_name (&objfile->objfile_obstack, temp);
      if (strcmp (mname, "<init>") == 0)
	mname = unqualified_name;

      /* Check for an existing method with the same name.
       * This makes building the fn_fieldslists an O(nmethods**2)
       * operation.  That could be using hashing, but I doubt it
       * is worth it.  Note that we do maintain the order of methods
       * in the inferior's Method table (as long as that is grouped
       * by method name), which I think is desirable.  --PB */
      for (k = 0, j = TYPE_NFN_FIELDS (type);;)
	{
	  if (--j < 0)
	    {			/* No match - new method name.  */
	      j = TYPE_NFN_FIELDS (type)++;
	      fn_fieldlists[j].name = mname;
	      fn_fieldlists[j].length = 1;
	      fn_fieldlists[j].fn_fields = &fn_fields[i];
	      k = i;
	      break;
	    }
	  if (strcmp (mname, fn_fieldlists[j].name) == 0)
	    {		/* Found an existing method with the same name.  */
	      int l;

	      if (mname != unqualified_name)
		obstack_free (&objfile->objfile_obstack, mname);
	      mname = fn_fieldlists[j].name;
	      fn_fieldlists[j].length++;
	      k = i - k;	/* Index of new slot.  */
	      /* Shift intervening fn_fields (between k and i) down.  */
	      for (l = i; l > k; l--)
		fn_fields[l] = fn_fields[l - 1];
	      for (l = TYPE_NFN_FIELDS (type); --l > j;)
		fn_fieldlists[l].fn_fields++;
	      break;
	    }
	  k += fn_fieldlists[j].length;
	}
      fn_fields[k].physname = "";
      fn_fields[k].is_stub = 1;
      /* FIXME */
      fn_fields[k].type = lookup_function_type
			   (builtin_java_type (gdbarch)->builtin_void);
      TYPE_CODE (fn_fields[k].type) = TYPE_CODE_METHOD;
    }

  j = TYPE_NFN_FIELDS (type) * sizeof (struct fn_fieldlist);
  TYPE_FN_FIELDLISTS (type) = (struct fn_fieldlist *)
    obstack_alloc (&objfile->objfile_obstack, j);
  memcpy (TYPE_FN_FIELDLISTS (type), fn_fieldlists, j);

  return type;
}
Beispiel #5
0
/* Helper function for typy_fields which converts a single field to a
   dictionary.  Returns NULL on error.  */
static PyObject *
convert_field (struct type *type, int field)
{
    PyObject *result = field_new ();
    PyObject *arg;

    if (!result)
        return NULL;

    if (!field_is_static (&TYPE_FIELD (type, field)))
    {
        arg = PyLong_FromLong (TYPE_FIELD_BITPOS (type, field));
        if (!arg)
            goto fail;

        if (PyObject_SetAttrString (result, "bitpos", arg) < 0)
            goto failarg;
    }

    if (TYPE_FIELD_NAME (type, field))
        arg = PyString_FromString (TYPE_FIELD_NAME (type, field));
    else
    {
        arg = Py_None;
        Py_INCREF (arg);
    }
    if (!arg)
        goto fail;
    if (PyObject_SetAttrString (result, "name", arg) < 0)
        goto failarg;

    arg = TYPE_FIELD_ARTIFICIAL (type, field) ? Py_True : Py_False;
    Py_INCREF (arg);
    if (PyObject_SetAttrString (result, "artificial", arg) < 0)
        goto failarg;

    if (TYPE_CODE (type) == TYPE_CODE_CLASS)
        arg = field < TYPE_N_BASECLASSES (type) ? Py_True : Py_False;
    else
        arg = Py_False;
    Py_INCREF (arg);
    if (PyObject_SetAttrString (result, "is_base_class", arg) < 0)
        goto failarg;

    arg = PyLong_FromLong (TYPE_FIELD_BITSIZE (type, field));
    if (!arg)
        goto fail;
    if (PyObject_SetAttrString (result, "bitsize", arg) < 0)
        goto failarg;

    /* A field can have a NULL type in some situations.  */
    if (TYPE_FIELD_TYPE (type, field) == NULL)
    {
        arg = Py_None;
        Py_INCREF (arg);
    }
    else
        arg = type_to_type_object (TYPE_FIELD_TYPE (type, field));
    if (!arg)
        goto fail;
    if (PyObject_SetAttrString (result, "type", arg) < 0)
        goto failarg;

    return result;

failarg:
    Py_DECREF (arg);
fail:
    Py_DECREF (result);
    return NULL;
}
Beispiel #6
0
void
pascal_object_print_value_fields (struct type *type, const gdb_byte *valaddr,
				  int offset,
				  CORE_ADDR address, struct ui_file *stream,
				  int recurse,
				  const struct value *val,
				  const struct value_print_options *options,
				  struct type **dont_print_vb,
				  int dont_print_statmem)
{
  int i, len, n_baseclasses;
  char *last_dont_print
    = (char *) obstack_next_free (&dont_print_statmem_obstack);

  type = check_typedef (type);

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

  /* Print out baseclasses such that we don't print
     duplicates of virtual baseclasses.  */
  if (n_baseclasses > 0)
    pascal_object_print_value (type, valaddr, offset, address,
			       stream, recurse + 1, val,
			       options, dont_print_vb);

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

      if (dont_print_statmem == 0)
	{
	  /* If we're at top level, carve out a completely fresh
	     chunk of the obstack and use that until this particular
	     invocation returns.  */
	  obstack_finish (&dont_print_statmem_obstack);
	}

      for (i = n_baseclasses; i < len; i++)
	{
	  /* If requested, skip printing of static fields.  */
	  if (!options->pascal_static_field_print
	      && field_is_static (&TYPE_FIELD (type, i)))
	    continue;
	  if (fields_seen)
	    fprintf_filtered (stream, ", ");
	  else if (n_baseclasses > 0)
	    {
	      if (options->prettyformat)
		{
		  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 (options->prettyformat)
	    {
	      fprintf_filtered (stream, "\n");
	      print_spaces_filtered (2 + 2 * recurse, stream);
	    }
	  else
	    {
	      wrap_here (n_spaces (2 + 2 * recurse));
	    }

	  annotate_field_begin (TYPE_FIELD_TYPE (type, i));

	  if (field_is_static (&TYPE_FIELD (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 (!field_is_static (&TYPE_FIELD (type, i))
	      && TYPE_FIELD_PACKED (type, i))
	    {
	      struct value *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 if (value_bits_synthetic_pointer (val,
						     TYPE_FIELD_BITPOS (type,
									i),
						     TYPE_FIELD_BITSIZE (type,
									 i)))
		{
		  fputs_filtered (_("<synthetic pointer>"), stream);
		}
	      else
		{
		  struct value_print_options opts = *options;

		  v = value_field_bitfield (type, i, valaddr, offset, val);

		  opts.deref_ref = 0;
		  common_val_print (v, stream, recurse + 1, &opts,
				    current_language);
		}
	    }
	  else
	    {
	      if (TYPE_FIELD_IGNORE (type, i))
		{
		  fputs_filtered ("<optimized out or zero length>", stream);
		}
	      else if (field_is_static (&TYPE_FIELD (type, i)))
		{
		  /* struct value *v = value_static_field (type, i);
		     v4.17 specific.  */
		  struct value *v;

		  v = value_field_bitfield (type, i, valaddr, offset, val);

		  if (v == NULL)
		    val_print_optimized_out (NULL, stream);
		  else
		    pascal_object_print_static_field (v, stream, recurse + 1,
						      options);
		}
	      else
		{
		  struct value_print_options opts = *options;

		  opts.deref_ref = 0;
		  /* val_print (TYPE_FIELD_TYPE (type, i),
		     valaddr + TYPE_FIELD_BITPOS (type, i) / 8,
		     address + TYPE_FIELD_BITPOS (type, i) / 8, 0,
		     stream, format, 0, recurse + 1, pretty); */
		  val_print (TYPE_FIELD_TYPE (type, i),
			     valaddr, offset + TYPE_FIELD_BITPOS (type, i) / 8,
			     address, stream, recurse + 1, val, &opts,
			     current_language);
		}
	    }
	  annotate_field_end ();
	}

      if (dont_print_statmem == 0)
	{
	  /* Free the space used to deal with the printing
	     of the members from top level.  */
	  obstack_free (&dont_print_statmem_obstack, last_dont_print);
	  dont_print_statmem_obstack = tmp_obstack;
	}

      if (options->prettyformat)
	{
	  fprintf_filtered (stream, "\n");
	  print_spaces_filtered (2 * recurse, stream);
	}
    }
  fprintf_filtered (stream, "}");
}
Beispiel #7
0
static PyObject *
convert_field (struct type *type, int field)
{
  gdbpy_ref<> result (field_new ());

  if (result == NULL)
    return NULL;

  gdbpy_ref<> arg (type_to_type_object (type));
  if (arg == NULL)
    return NULL;
  if (PyObject_SetAttrString (result.get (), "parent_type", arg.get ()) < 0)
    return NULL;

  if (!field_is_static (&TYPE_FIELD (type, field)))
    {
      const char *attrstring;

      if (TYPE_CODE (type) == TYPE_CODE_ENUM)
	{
	  arg.reset (gdb_py_long_from_longest (TYPE_FIELD_ENUMVAL (type,
								   field)));
	  attrstring = "enumval";
	}
      else
	{
	  arg.reset (gdb_py_long_from_longest (TYPE_FIELD_BITPOS (type,
								  field)));
	  attrstring = "bitpos";
	}

      if (arg == NULL)
	return NULL;

      /* At least python-2.4 had the second parameter non-const.  */
      if (PyObject_SetAttrString (result.get (), (char *) attrstring,
				  arg.get ()) < 0)
	return NULL;
    }

  arg.reset (NULL);
  if (TYPE_FIELD_NAME (type, field))
    {
      const char *field_name = TYPE_FIELD_NAME (type, field);

      if (field_name[0] != '\0')
	{
	  arg.reset (PyString_FromString (TYPE_FIELD_NAME (type, field)));
	  if (arg == NULL)
	    return NULL;
	}
    }
  if (arg == NULL)
    {
      arg.reset (Py_None);
      Py_INCREF (arg.get ());
    }
  if (PyObject_SetAttrString (result.get (), "name", arg.get ()) < 0)
    return NULL;

  arg.reset (TYPE_FIELD_ARTIFICIAL (type, field) ? Py_True : Py_False);
  Py_INCREF (arg.get ());
  if (PyObject_SetAttrString (result.get (), "artificial", arg.get ()) < 0)
    return NULL;

  if (TYPE_CODE (type) == TYPE_CODE_STRUCT)
    arg.reset (field < TYPE_N_BASECLASSES (type) ? Py_True : Py_False);
  else
    arg.reset (Py_False);
  Py_INCREF (arg.get ());
  if (PyObject_SetAttrString (result.get (), "is_base_class", arg.get ()) < 0)
    return NULL;

  arg.reset (PyLong_FromLong (TYPE_FIELD_BITSIZE (type, field)));
  if (arg == NULL)
    return NULL;
  if (PyObject_SetAttrString (result.get (), "bitsize", arg.get ()) < 0)
    return NULL;

  /* A field can have a NULL type in some situations.  */
  if (TYPE_FIELD_TYPE (type, field) == NULL)
    {
      arg.reset (Py_None);
      Py_INCREF (arg.get ());
    }
  else
    arg.reset (type_to_type_object (TYPE_FIELD_TYPE (type, field)));
  if (arg == NULL)
    return NULL;
  if (PyObject_SetAttrString (result.get (), "type", arg.get ()) < 0)
    return NULL;

  return result.release ();
}
Beispiel #8
0
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_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 ((strncmp (TYPE_FIELD_NAME (type, i), "_vptr", 5) == 0)
		  && 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 (field_is_static (&TYPE_FIELD (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 (!field_is_static (&TYPE_FIELD (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");

	  /* Object 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++)
		{
		  const char *physname = TYPE_FN_FIELD_PHYSNAME (f, j);

		  int is_constructor = (strncmp (physname, "__ct__", 6) == 0);
		  int is_destructor = (strncmp (physname, "__dt__", 6) == 0);

		  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, "%s", TYPE_ERROR_NAME (type));
      break;

      /* this probably does not work for enums.  */
    case TYPE_CODE_RANGE:
      {
	struct type *target = TYPE_TARGET_TYPE (type);

	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;
    }
}
void
c_type_print_base (struct type *type, struct ui_file *stream, int show,
		   int level)
{
  int i;
  int len, real_len;
  int lastval;
  char *mangled_name;
  char *demangled_name;
  char *demangled_no_static;
  enum
    {
      s_none, s_public, s_private, s_protected
    }
  section_type;
  int need_access_label = 0;
  int j, len2;

  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 we have "typedef struct foo {. . .} bar;" do we want to print it
     as "struct foo" or as "bar"?  Pick the latter, because C++ folk tend
     to expect things like "class5 *foo" rather than "struct class5 *foo".  */

  if (show <= 0
      && TYPE_NAME (type) != NULL)
    {
      c_type_print_modifier (type, stream, 0, 1);
      fputs_filtered (TYPE_NAME (type), stream);
      return;
    }

  CHECK_TYPEDEF (type);

  switch (TYPE_CODE (type))
    {
    case TYPE_CODE_TYPEDEF:
    case TYPE_CODE_ARRAY:
    case TYPE_CODE_PTR:
    case TYPE_CODE_MEMBERPTR:
    case TYPE_CODE_REF:
    case TYPE_CODE_FUNC:
    case TYPE_CODE_METHOD:
    case TYPE_CODE_METHODPTR:
      c_type_print_base (TYPE_TARGET_TYPE (type), stream, show, level);
      break;

    case TYPE_CODE_STRUCT:
      c_type_print_modifier (type, stream, 0, 1);
      /* Note TYPE_CODE_STRUCT and TYPE_CODE_CLASS have the same value,
       * so we use another means for distinguishing them.
       */
      if (HAVE_CPLUS_STRUCT (type))
	{
	  switch (TYPE_DECLARED_TYPE (type))
	    {
	    case DECLARED_TYPE_CLASS:
	      fprintf_filtered (stream, "class ");
	      break;
	    case DECLARED_TYPE_UNION:
	      fprintf_filtered (stream, "union ");
	      break;
	    case DECLARED_TYPE_STRUCT:
	      fprintf_filtered (stream, "struct ");
	      break;
	    default:
	      /* If there is a CPLUS_STRUCT, assume class if not
	       * otherwise specified in the declared_type field.
	       */
	      fprintf_filtered (stream, "class ");
	      break;
	    }			/* switch */
	}
      else
	{
	  /* If not CPLUS_STRUCT, then assume it's a C struct */
	  fprintf_filtered (stream, "struct ");
	}
      goto struct_union;

    case TYPE_CODE_UNION:
      c_type_print_modifier (type, stream, 0, 1);
      fprintf_filtered (stream, "union ");

    struct_union:

      /* Print the tag if it exists. 
       * The HP aCC compiler emits
       * a spurious "{unnamed struct}"/"{unnamed union}"/"{unnamed enum}"
       * tag  for unnamed struct/union/enum's, which we don't
       * want to print.
       */
      if (TYPE_TAG_NAME (type) != NULL &&
	  strncmp (TYPE_TAG_NAME (type), "{unnamed", 8))
	{
	  fputs_filtered (TYPE_TAG_NAME (type), stream);
	  if (show > 0)
	    fputs_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)
	{
	  cp_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;

	  /* For a class, if all members are private, there's no need
	     for a "private:" label; similarly, for a struct or union
	     masquerading as a class, if all members are public, there's
	     no need for a "public:" label. */

	  if ((TYPE_DECLARED_TYPE (type) == DECLARED_TYPE_CLASS) ||
	      (TYPE_DECLARED_TYPE (type) == DECLARED_TYPE_TEMPLATE))
	    {
	      QUIT;
	      len = TYPE_NFIELDS (type);
	      for (i = TYPE_N_BASECLASSES (type); i < len; i++)
		if (!TYPE_FIELD_PRIVATE (type, i))
		  {
		    need_access_label = 1;
		    break;
		  }
	      QUIT;
	      if (!need_access_label)
		{
		  len2 = TYPE_NFN_FIELDS (type);
		  for (j = 0; j < len2; j++)
		    {
		      len = TYPE_FN_FIELDLIST_LENGTH (type, j);
		      for (i = 0; i < len; i++)
			if (!TYPE_FN_FIELD_PRIVATE (TYPE_FN_FIELDLIST1 (type, j), i))
			  {
			    need_access_label = 1;
			    break;
			  }
		      if (need_access_label)
			break;
		    }
		}
	    }
	  else if ((TYPE_DECLARED_TYPE (type) == DECLARED_TYPE_STRUCT) ||
		   (TYPE_DECLARED_TYPE (type) == DECLARED_TYPE_UNION))
	    {
	      QUIT;
	      len = TYPE_NFIELDS (type);
	      for (i = TYPE_N_BASECLASSES (type); i < len; i++)
		if (TYPE_FIELD_PRIVATE (type, i) || TYPE_FIELD_PROTECTED (type, i))
		  {
		    need_access_label = 1;
		    break;
		  }
	      QUIT;
	      if (!need_access_label)
		{
		  len2 = TYPE_NFN_FIELDS (type);
		  for (j = 0; j < len2; j++)
		    {
		      QUIT;
		      len = TYPE_FN_FIELDLIST_LENGTH (type, j);
		      for (i = 0; i < len; i++)
			if (TYPE_FN_FIELD_PRIVATE (TYPE_FN_FIELDLIST1 (type, j), i) ||
			    TYPE_FN_FIELD_PROTECTED (TYPE_FN_FIELDLIST1 (type, j), i))
			  {
			    need_access_label = 1;
			    break;
			  }
		      if (need_access_label)
			break;
		    }
		}
	    }

	  /* 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 (strncmp (TYPE_FIELD_NAME (type, i), "_vptr", 5) == 0
		  && is_cplus_marker ((TYPE_FIELD_NAME (type, i))[5]))
		continue;

	      /* If this is a C++ class we can print the various C++ section
	         labels. */

	      if (HAVE_CPLUS_STRUCT (type) && need_access_label)
		{
		  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 (field_is_static (&TYPE_FIELD (type, i)))
		fprintf_filtered (stream, "static ");
	      c_print_type (TYPE_FIELD_TYPE (type, i),
			    TYPE_FIELD_NAME (type, i),
			    stream, show - 1, level + 4);
	      if (!field_is_static (&TYPE_FIELD (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 blank line
	      between them.  Make sure to count only method that we will
	      display; artificial methods will be hidden.  */
	  len = TYPE_NFN_FIELDS (type);
	  real_len = 0;
	  for (i = 0; i < len; i++)
	    {
	      struct fn_field *f = TYPE_FN_FIELDLIST1 (type, i);
	      int len2 = TYPE_FN_FIELDLIST_LENGTH (type, i);
	      int j;
	      for (j = 0; j < len2; j++)
		if (!TYPE_FN_FIELD_ARTIFICIAL (f, j))
		  real_len++;
	    }
	  if (real_len > 0 && section_type != s_none)
	    fprintf_filtered (stream, "\n");

	  /* C++: 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);
	      char *name = type_name_no_tag (type);
	      int is_constructor = name && strcmp (method_name, name) == 0;
	      for (j = 0; j < len2; j++)
		{
		  char *physname = TYPE_FN_FIELD_PHYSNAME (f, j);
		  int is_full_physname_constructor =
		   is_constructor_name (physname) 
		   || is_destructor_name (physname)
		   || method_name[0] == '~';

		  /* Do not print out artificial methods.  */
		  if (TYPE_FN_FIELD_ARTIFICIAL (f, j))
		    continue;

		  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_VIRTUAL_P (f, j))
		    fprintf_filtered (stream, "virtual ");
		  else 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;
		    }
		  else if (!is_constructor &&	/* constructors don't have declared types */
			   !is_full_physname_constructor &&	/*    " "  */
			   !is_type_conversion_operator (type, i, j))
		    {
		      type_print (TYPE_TARGET_TYPE (TYPE_FN_FIELD_TYPE (f, j)),
				  "", stream, -1);
		      fputs_filtered (" ", stream);
		    }
		  if (TYPE_FN_FIELD_STUB (f, j))
		    /* Build something we can demangle.  */
		    mangled_name = gdb_mangle_name (type, i, j);
		  else
		    mangled_name = TYPE_FN_FIELD_PHYSNAME (f, j);

		  demangled_name =
		    cplus_demangle (mangled_name,
				    DMGL_ANSI | DMGL_PARAMS);
		  if (demangled_name == NULL)
		    {
		      /* in some cases (for instance with the HP demangling),
		         if a function has more than 10 arguments, 
		         the demangling will fail.
		         Let's try to reconstruct the function signature from 
		         the symbol information */
		      if (!TYPE_FN_FIELD_STUB (f, j))
			{
			  int staticp = TYPE_FN_FIELD_STATIC_P (f, j);
			  struct type *mtype = TYPE_FN_FIELD_TYPE (f, j);
			  cp_type_print_method_args (mtype,
						     "",
						     method_name,
						     staticp,
						     stream);
			}
		      else
			fprintf_filtered (stream, _("<badly mangled name '%s'>"),
					  mangled_name);
		    }
		  else
		    {
		      char *p;
		      char *demangled_no_class
			= remove_qualifiers (demangled_name);

		      /* get rid of the `static' appended by the demangler */
		      p = strstr (demangled_no_class, " static");
		      if (p != NULL)
			{
			  int length = p - demangled_no_class;
			  demangled_no_static = (char *) xmalloc (length + 1);
			  strncpy (demangled_no_static, demangled_no_class, length);
			  *(demangled_no_static + length) = '\0';
			  fputs_filtered (demangled_no_static, stream);
			  xfree (demangled_no_static);
			}
		      else
			fputs_filtered (demangled_no_class, stream);
		      xfree (demangled_name);
		    }

		  if (TYPE_FN_FIELD_STUB (f, j))
		    xfree (mangled_name);

		  fprintf_filtered (stream, ";\n");
		}
	    }

	  fprintfi_filtered (level, stream, "}");

	  if (TYPE_LOCALTYPE_PTR (type) && show >= 0)
	    fprintfi_filtered (level, stream, _(" (Local at %s:%d)\n"),
			       TYPE_LOCALTYPE_FILE (type),
			       TYPE_LOCALTYPE_LINE (type));
	}
      break;

    case TYPE_CODE_ENUM:
      c_type_print_modifier (type, stream, 0, 1);
      fprintf_filtered (stream, "enum ");
      /* Print the tag name if it exists.
         The aCC compiler emits a spurious 
         "{unnamed struct}"/"{unnamed union}"/"{unnamed enum}"
         tag for unnamed struct/union/enum's, which we don't
         want to print. */
      if (TYPE_TAG_NAME (type) != NULL &&
	  strncmp (TYPE_TAG_NAME (type), "{unnamed", 8))
	{
	  fputs_filtered (TYPE_TAG_NAME (type), stream);
	  if (show > 0)
	    fputs_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, _("struct <unknown>"));
      break;

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

    case TYPE_CODE_RANGE:
      /* This should not occur */
      fprintf_filtered (stream, _("<range type>"));
      break;

    case TYPE_CODE_TEMPLATE:
      /* Called on "ptype t" where "t" is a template.
         Prints the template header (with args), e.g.:
         template <class T1, class T2> class "
         and then merges with the struct/union/class code to
         print the rest of the definition. */
      c_type_print_modifier (type, stream, 0, 1);
      fprintf_filtered (stream, "template <");
      for (i = 0; i < TYPE_NTEMPLATE_ARGS (type); i++)
	{
	  struct template_arg templ_arg;
	  templ_arg = TYPE_TEMPLATE_ARG (type, i);
	  fprintf_filtered (stream, "class %s", templ_arg.name);
	  if (i < TYPE_NTEMPLATE_ARGS (type) - 1)
	    fprintf_filtered (stream, ", ");
	}
      fprintf_filtered (stream, "> class ");
      goto struct_union;

    case TYPE_CODE_NAMESPACE:
      fputs_filtered ("namespace ", stream);
      fputs_filtered (TYPE_TAG_NAME (type), 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)
	{
	  c_type_print_modifier (type, stream, 0, 1);
	  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 type code %d>"),
			    TYPE_CODE (type));
	}
      break;
    }
}
Beispiel #10
0
static void
get_register (int regnum, map_arg arg)
{
  int realnum;
  CORE_ADDR addr;
  enum lval_type lval;
  struct type *reg_vtype;
  gdb_byte buffer[MAX_REGISTER_SIZE];
  int optim, format;
  struct cleanup *old_chain = NULL;
  struct ui_file *stb;
  long dummy;
  char *res;
 
  format = regformat[regnum];
  if (format == 0)
    format = 'x';
  
  reg_vtype = regtype[regnum];
  if (reg_vtype == NULL)
    reg_vtype = register_type (get_current_arch (), regnum);

  if (!target_has_registers)
    {
      if (result_ptr->flags & GDBTK_MAKES_LIST)
	Tcl_ListObjAppendElement (NULL, result_ptr->obj_ptr, Tcl_NewStringObj ("", -1));
      else
	Tcl_SetStringObj (result_ptr->obj_ptr, "", -1);
      return;
    }

  frame_register (get_selected_frame (NULL), regnum, &optim, &lval, 
		  &addr, &realnum, buffer);

  if (optim)
    {
      Tcl_ListObjAppendElement (NULL, result_ptr->obj_ptr,
				Tcl_NewStringObj ("Optimized out", -1));
      return;
    }

  stb = mem_fileopen ();
  old_chain = make_cleanup_ui_file_delete (stb);

  if (format == 'r')
    {
      /* shouldn't happen. raw format is deprecated */
      int j;
      char *ptr, buf[1024];

      strcpy (buf, "0x");
      ptr = buf + 2;
      for (j = 0; j < register_size (get_current_arch (), regnum); j++)
	{
	  int idx = ((gdbarch_byte_order (get_current_arch ()) == BFD_ENDIAN_BIG)
		     ? j : register_size (get_current_arch (), regnum) - 1 - j);
	  sprintf (ptr, "%02x", (unsigned char) buffer[idx]);
	  ptr += 2;
	}
      fputs_unfiltered (buf, stb);
    }
  else
    {
      struct value_print_options opts;

      get_formatted_print_options (&opts, format);
      opts.deref_ref = 1;
      opts.pretty = Val_pretty_default;

      if ((TYPE_CODE (reg_vtype) == TYPE_CODE_UNION)
	  && (strcmp (FIELD_NAME (TYPE_FIELD (reg_vtype, 0)), 
		      gdbarch_register_name (get_current_arch (), regnum)) == 0))
	{
	  val_print (FIELD_TYPE (TYPE_FIELD (reg_vtype, 0)), buffer, 0, 0,
		     stb, 0, NULL, &opts, current_language);
	}
      else
	val_print (reg_vtype, buffer, 0, 0,
		   stb, 0, NULL, &opts, current_language);
    }
  
  res = ui_file_xstrdup (stb, &dummy);

  if (result_ptr->flags & GDBTK_MAKES_LIST)
    Tcl_ListObjAppendElement (NULL, result_ptr->obj_ptr, Tcl_NewStringObj (res, -1));
  else
    Tcl_SetStringObj (result_ptr->obj_ptr, res, -1);

  xfree (res);
  do_cleanups (old_chain);
}
static void
compile_cplus_convert_struct_or_union_members
  (compile_cplus_instance *instance, struct type *type, gcc_type comp_type)
{
  for (int i = TYPE_N_BASECLASSES (type); i < TYPE_NFIELDS (type); ++i)
    {
      const char *field_name = TYPE_FIELD_NAME (type, i);

      if (TYPE_FIELD_IGNORE (type, i)
	  || TYPE_FIELD_ARTIFICIAL (type, i))
	continue;

      /* GDB records unnamed/anonymous fields with empty string names.  */
      if (*field_name == '\0')
	field_name = nullptr;

      gcc_type field_type
	= instance->convert_type (TYPE_FIELD_TYPE (type, i));

      if (field_is_static (&TYPE_FIELD (type, i)))
	{
	  CORE_ADDR physaddr;

	  switch (TYPE_FIELD_LOC_KIND (type, i))
	    {
	    case FIELD_LOC_KIND_PHYSADDR:
	      {
		physaddr = TYPE_FIELD_STATIC_PHYSADDR (type, i);

		instance->plugin ().build_decl
		  ("field physaddr", field_name,
		   (GCC_CP_SYMBOL_VARIABLE | get_field_access_flag (type, i)),
		   field_type, nullptr, physaddr, nullptr, 0);
	      }
	      break;

	    case FIELD_LOC_KIND_PHYSNAME:
	      {
		const char *physname = TYPE_FIELD_STATIC_PHYSNAME (type, i);
		struct block_symbol sym
		  = lookup_symbol (physname, instance->block (),
				   VAR_DOMAIN, nullptr);

		if (sym.symbol == nullptr)
		  {
		    /* We didn't actually find the symbol.  There's little
		       we can do but ignore this member.  */
		    continue;
		  }
		const char *filename = symbol_symtab (sym.symbol)->filename;
		unsigned int line = SYMBOL_LINE (sym.symbol);

		physaddr = SYMBOL_VALUE_ADDRESS (sym.symbol);
		instance->plugin ().build_decl
		  ("field physname", field_name,
		   (GCC_CP_SYMBOL_VARIABLE| get_field_access_flag (type, i)),
		   field_type, nullptr, physaddr, filename, line);
	      }
	      break;

	    default:
	      gdb_assert_not_reached
		("unexpected static field location kind");
	    }
	}
      else
	{
	  unsigned long bitsize = TYPE_FIELD_BITSIZE (type, i);
	  enum gcc_cp_symbol_kind field_flags = GCC_CP_SYMBOL_FIELD
	    | get_field_access_flag (type, i);

	  if (bitsize == 0)
	    bitsize = 8 * TYPE_LENGTH (TYPE_FIELD_TYPE (type, i));

	  instance->plugin ().build_field
	    (field_name, field_type, field_flags, bitsize,
	     TYPE_FIELD_BITPOS (type, i));
	}
    }
}