示例#1
0
static int
gnuv3_dynamic_class (struct type *type)
{
  int fieldnum, fieldelem;

  if (TYPE_CPLUS_DYNAMIC (type))
    return TYPE_CPLUS_DYNAMIC (type) == 1;

  ALLOCATE_CPLUS_STRUCT_TYPE (type);

  for (fieldnum = 0; fieldnum < TYPE_N_BASECLASSES (type); fieldnum++)
    if (BASETYPE_VIA_VIRTUAL (type, fieldnum)
	|| gnuv3_dynamic_class (TYPE_FIELD_TYPE (type, fieldnum)))
      {
	TYPE_CPLUS_DYNAMIC (type) = 1;
	return 1;
      }

  for (fieldnum = 0; fieldnum < TYPE_NFN_FIELDS (type); fieldnum++)
    for (fieldelem = 0; fieldelem < TYPE_FN_FIELDLIST_LENGTH (type, fieldnum);
	 fieldelem++)
      {
	struct fn_field *f = TYPE_FN_FIELDLIST1 (type, fieldnum);

	if (TYPE_FN_FIELD_VIRTUAL_P (f, fieldelem))
	  {
	    TYPE_CPLUS_DYNAMIC (type) = 1;
	    return 1;
	  }
      }

  TYPE_CPLUS_DYNAMIC (type) = -1;
  return 0;
}
static const char *
gnuv3_find_method_in (struct type *domain, CORE_ADDR voffset,
		      LONGEST adjustment)
{
  int i;
  const char *physname;

  /* Search this class first.  */
  physname = NULL;
  if (adjustment == 0)
    {
      int len;

      len = TYPE_NFN_FIELDS (domain);
      for (i = 0; i < len; i++)
	{
	  int len2, j;
	  struct fn_field *f;

	  f = TYPE_FN_FIELDLIST1 (domain, i);
	  len2 = TYPE_FN_FIELDLIST_LENGTH (domain, i);

	  check_stub_method_group (domain, i);
	  for (j = 0; j < len2; j++)
	    if (TYPE_FN_FIELD_VOFFSET (f, j) == voffset)
	      return TYPE_FN_FIELD_PHYSNAME (f, j);
	}
    }

  /* Next search non-virtual bases.  If it's in a virtual base,
     we're out of luck.  */
  for (i = 0; i < TYPE_N_BASECLASSES (domain); i++)
    {
      int pos;
      struct type *basetype;

      if (BASETYPE_VIA_VIRTUAL (domain, i))
	continue;

      pos = TYPE_BASECLASS_BITPOS (domain, i) / 8;
      basetype = TYPE_FIELD_TYPE (domain, i);
      /* Recurse with a modified adjustment.  We don't need to adjust
	 voffset.  */
      if (adjustment >= pos && adjustment < pos + TYPE_LENGTH (basetype))
	return gnuv3_find_method_in (basetype, voffset, adjustment - pos);
    }

  return NULL;
}
示例#3
0
/* Helper for expression_completer which recursively adds field and
   method names from TYPE, a struct or union type, to the array
   OUTPUT.  This function assumes that OUTPUT is correctly-sized.  */
static void
add_struct_fields (struct type *type, int *nextp, char **output,
		   char *fieldname, int namelen)
{
  int i;
  int computed_type_name = 0;
  char *type_name = NULL;

  CHECK_TYPEDEF (type);
  for (i = 0; i < TYPE_NFIELDS (type); ++i)
    {
      if (i < TYPE_N_BASECLASSES (type))
	add_struct_fields (TYPE_BASECLASS (type, i), nextp, output,
			   fieldname, namelen);
      else if (TYPE_FIELD_NAME (type, i)
	       && ! strncmp (TYPE_FIELD_NAME (type, i), fieldname, namelen))
	{
	  output[*nextp] = xstrdup (TYPE_FIELD_NAME (type, i));
	  ++*nextp;
	}
    }

  for (i = TYPE_NFN_FIELDS (type) - 1; i >= 0; --i)
    {
      char *name = TYPE_FN_FIELDLIST_NAME (type, i);
      if (name && ! strncmp (name, fieldname, namelen))
	{
	  if (!computed_type_name)
	    {
	      type_name = type_name_no_tag (type);
	      computed_type_name = 1;
	    }
	  /* Omit constructors from the completion list.  */
	  if (type_name && strcmp (type_name, name))
	    {
	      output[*nextp] = xstrdup (name);
	      ++*nextp;
	    }
	}
    }
}
示例#4
0
/* Helper for expression_completer which recursively counts the number
   of named fields and methods in a structure or union type.  */
static int
count_struct_fields (struct type *type)
{
  int i, result = 0;

  CHECK_TYPEDEF (type);
  for (i = 0; i < TYPE_NFIELDS (type); ++i)
    {
      if (i < TYPE_N_BASECLASSES (type))
	result += count_struct_fields (TYPE_BASECLASS (type, i));
      else if (TYPE_FIELD_NAME (type, i))
	++result;
    }

  for (i = TYPE_NFN_FIELDS (type) - 1; i >= 0; --i)
    {
      if (TYPE_FN_FIELDLIST_NAME (type, i))
	++result;
    }

  return result;
}
示例#5
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);
    }
}
示例#6
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;
    }
}
示例#7
0
文件: jv-lang.c 项目: NalaGinrut/gdb
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;
}
示例#8
0
文件: c-typeprint.c 项目: aosm/gdb
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_MEMBER:
    case TYPE_CODE_REF:
    case TYPE_CODE_FUNC:
    case TYPE_CODE_METHOD:
      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.  */
	      /* HP ANSI C++ case */
	      if (TYPE_HAS_VTABLE (type)
		  && (strncmp (TYPE_FIELD_NAME (type, i), "__vfp", 5) == 0))
		continue;
	      /* Other compilers */
	      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 (TYPE_FIELD_STATIC (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 (!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 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));
	}
      if (TYPE_CODE (type) == TYPE_CODE_TEMPLATE)
	goto go_back;
      break;

    case TYPE_CODE_ENUM:
      c_type_print_modifier (type, stream, 0, 1);
      /* HP C supports sized enums */
      if (deprecated_hp_som_som_object_present)
	switch (TYPE_LENGTH (type))
	  {
	  case 1:
	    fputs_filtered ("char ", stream);
	    break;
	  case 2:
	    fputs_filtered ("short ", stream);
	    break;
	  default:
	    break;
	  }
      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))
		{
		  /* APPLE LOCAL begin print unsigned */
		  if (TYPE_FLAGS (type) & TYPE_FLAG_UNSIGNED)
		    fprintf_filtered (stream, " = %u", TYPE_FIELD_BITPOS (type, i));
		  else
		    fprintf_filtered (stream, " = %d", TYPE_FIELD_BITPOS (type, i));
		  /* APPLE LOCAL end print unsigned */
		  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 ");
      /* Yuck, factor this out to a subroutine so we can call
         it and return to the point marked with the "goback:" label... - RT */
      goto struct_union;
    go_back:
      if (TYPE_NINSTANTIATIONS (type) > 0)
	{
	  fprintf_filtered (stream, _("\ntemplate instantiations:\n"));
	  for (i = 0; i < TYPE_NINSTANTIATIONS (type); i++)
	    {
	      fprintf_filtered (stream, "  ");
	      c_type_print_base (TYPE_INSTANTIATION (type, i), stream, 0, level);
	      if (i < TYPE_NINSTANTIATIONS (type) - 1)
		fprintf_filtered (stream, "\n");
	    }
	}
      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;
    }
}
示例#9
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_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;
    }
}
示例#10
0
/* Return nonzero if a type should be passed by reference.

   The rule in the v3 ABI document comes from section 3.1.1.  If the
   type has a non-trivial copy constructor or destructor, then the
   caller must make a copy (by calling the copy constructor if there
   is one or perform the copy itself otherwise), pass the address of
   the copy, and then destroy the temporary (if necessary).

   For return values with non-trivial copy constructors or
   destructors, space will be allocated in the caller, and a pointer
   will be passed as the first argument (preceding "this").

   We don't have a bulletproof mechanism for determining whether a
   constructor or destructor is trivial.  For GCC and DWARF2 debug
   information, we can check the artificial flag.

   We don't do anything with the constructors or destructors,
   but we have to get the argument passing right anyway.  */
static int
gnuv3_pass_by_reference (struct type *type)
{
  int fieldnum, fieldelem;

  CHECK_TYPEDEF (type);

  /* We're only interested in things that can have methods.  */
  if (TYPE_CODE (type) != TYPE_CODE_STRUCT
      && TYPE_CODE (type) != TYPE_CODE_CLASS
      && TYPE_CODE (type) != TYPE_CODE_UNION)
    return 0;

  for (fieldnum = 0; fieldnum < TYPE_NFN_FIELDS (type); fieldnum++)
    for (fieldelem = 0; fieldelem < TYPE_FN_FIELDLIST_LENGTH (type, fieldnum);
	 fieldelem++)
      {
	struct fn_field *fn = TYPE_FN_FIELDLIST1 (type, fieldnum);
	char *name = TYPE_FN_FIELDLIST_NAME (type, fieldnum);
	struct type *fieldtype = TYPE_FN_FIELD_TYPE (fn, fieldelem);

	/* If this function is marked as artificial, it is compiler-generated,
	   and we assume it is trivial.  */
	if (TYPE_FN_FIELD_ARTIFICIAL (fn, fieldelem))
	  continue;

	/* If we've found a destructor, we must pass this by reference.  */
	if (name[0] == '~')
	  return 1;

	/* If the mangled name of this method doesn't indicate that it
	   is a constructor, we're not interested.

	   FIXME drow/2007-09-23: We could do this using the name of
	   the method and the name of the class instead of dealing
	   with the mangled name.  We don't have a convenient function
	   to strip off both leading scope qualifiers and trailing
	   template arguments yet.  */
	if (!is_constructor_name (TYPE_FN_FIELD_PHYSNAME (fn, fieldelem)))
	  continue;

	/* If this method takes two arguments, and the second argument is
	   a reference to this class, then it is a copy constructor.  */
	if (TYPE_NFIELDS (fieldtype) == 2
	    && TYPE_CODE (TYPE_FIELD_TYPE (fieldtype, 1)) == TYPE_CODE_REF
	    && check_typedef (TYPE_TARGET_TYPE (TYPE_FIELD_TYPE (fieldtype, 1))) == type)
	  return 1;
      }

  /* Even if all the constructors and destructors were artificial, one
     of them may have invoked a non-artificial constructor or
     destructor in a base class.  If any base class needs to be passed
     by reference, so does this class.  Similarly for members, which
     are constructed whenever this class is.  We do not need to worry
     about recursive loops here, since we are only looking at members
     of complete class type.  */
  for (fieldnum = 0; fieldnum < TYPE_NFIELDS (type); fieldnum++)
    if (gnuv3_pass_by_reference (TYPE_FIELD_TYPE (type, fieldnum)))
      return 1;

  return 0;
}
示例#11
0
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;
    }
}
示例#12
0
static void
compile_cplus_convert_struct_or_union_methods (compile_cplus_instance *instance,
					       struct type *type,
					       gcc_type class_type)
{
  for (int i = 0; i < TYPE_NFN_FIELDS (type); ++i)
    {
      struct fn_field *methods = TYPE_FN_FIELDLIST1 (type, i);
      gdb::unique_xmalloc_ptr<char> overloaded_name
	= compile_cplus_instance::decl_name (TYPE_FN_FIELDLIST_NAME (type, i));

      /* Loop through the fieldlist, adding decls to the compiler's
	 representation of the class.  */
      for (int j = 0; j < TYPE_FN_FIELDLIST_LENGTH (type, i); ++j)
	{
	  /* Skip artificial methods.  */
	  if (TYPE_FN_FIELD_ARTIFICIAL (methods, j))
	    continue;

	  gcc_cp_symbol_kind_flags sym_kind = GCC_CP_SYMBOL_FUNCTION;
	  gcc_type method_type;
	  struct block_symbol sym
	    = lookup_symbol (TYPE_FN_FIELD_PHYSNAME (methods, j),
			     instance->block (), VAR_DOMAIN, nullptr);

	  if (sym.symbol == nullptr)
	    {
	      if (TYPE_FN_FIELD_VIRTUAL_P (methods, j))
		{
		  /* This is beyond hacky, and is really only a workaround for
		     detecting pure virtual methods.  */
		  method_type = compile_cplus_convert_method
		    (instance, type, TYPE_FN_FIELD_TYPE (methods, j));

		  instance->plugin ().build_decl
		    ("pure virtual method", overloaded_name.get (),
		     (sym_kind
		      | get_method_access_flag (type, i, j)
		      | GCC_CP_FLAG_VIRTUAL_FUNCTION
		      | GCC_CP_FLAG_PURE_VIRTUAL_FUNCTION),
		     method_type, nullptr, 0, nullptr, 0);
		  continue;
		}

	      /* This can happen if we have a DW_AT_declaration DIE
		 for the method, but no "definition"-type DIE (with
		 DW_AT_specification referencing the decl DIE), i.e.,
		 the compiler has probably optimized the method away.

		 In this case, all we can hope to do is issue a warning
		 to the user letting him know.  If the user has not actually
		 requested using this method, things should still work.  */
	      warning (_("Method %s appears to be optimized out.\n"
			 "All references to this method will be undefined."),
			 TYPE_FN_FIELD_PHYSNAME (methods, j));
	      continue;
	    }

	  const char *filename = symbol_symtab (sym.symbol)->filename;
	  unsigned int line = SYMBOL_LINE (sym.symbol);
	  CORE_ADDR address = BLOCK_START (SYMBOL_BLOCK_VALUE (sym.symbol));
	  const char *kind;

	  if (TYPE_FN_FIELD_STATIC_P (methods, j))
	    {
	      kind = "static method";
	      method_type = compile_cplus_convert_func
		(instance, TYPE_FN_FIELD_TYPE (methods, j), true);
	    }
	  else
	    {
	      kind = "method";
	      method_type = (compile_cplus_convert_method
			     (instance, type, TYPE_FN_FIELD_TYPE (methods, j)));
	    }

	  if (TYPE_FN_FIELD_VIRTUAL_P (methods, j))
	    sym_kind |= GCC_CP_FLAG_VIRTUAL_FUNCTION;

	  instance->plugin ().build_decl
	    (kind, overloaded_name.get (),
	     sym_kind | get_method_access_flag (type, i, j),
	     method_type, nullptr, address, filename, line);
	}
    }
}