+/* Use 'print_spaces_filtered', but take into consideration the
+ type_print_options FLAGS in order to determine how many whitespaces
+ will be printed. */
+
+static void
+print_spaces_filtered_with_print_options
+ (int level, struct ui_file *stream, const struct type_print_options *flags)
+{
+ if (!flags->print_offsets)
+ print_spaces_filtered (level, stream);
+ else
+ print_spaces_filtered (level + print_offset_data::indentation, stream);
+}
+
+/* Output an access specifier to STREAM, if needed. LAST_ACCESS is the
+ last access specifier output (typically returned by this function). */
+
+static enum access_specifier
+output_access_specifier (struct ui_file *stream,
+ enum access_specifier last_access,
+ int level, bool is_protected, bool is_private,
+ const struct type_print_options *flags)
+{
+ if (is_protected)
+ {
+ if (last_access != s_protected)
+ {
+ last_access = s_protected;
+ print_spaces_filtered_with_print_options (level + 2, stream, flags);
+ fprintf_filtered (stream, "protected:\n");
+ }
+ }
+ else if (is_private)
+ {
+ if (last_access != s_private)
+ {
+ last_access = s_private;
+ print_spaces_filtered_with_print_options (level + 2, stream, flags);
+ fprintf_filtered (stream, "private:\n");
+ }
+ }
+ else
+ {
+ if (last_access != s_public)
+ {
+ last_access = s_public;
+ print_spaces_filtered_with_print_options (level + 2, stream, flags);
+ fprintf_filtered (stream, "public:\n");
+ }
+ }
+
+ return last_access;
+}
+
+/* Return true if an access label (i.e., "public:", "private:",
+ "protected:") needs to be printed for TYPE. */
+
+static bool
+need_access_label_p (struct type *type)
+{
+ if (TYPE_DECLARED_CLASS (type))
+ {
+ QUIT;
+ for (int i = TYPE_N_BASECLASSES (type); i < TYPE_NFIELDS (type); i++)
+ if (!TYPE_FIELD_PRIVATE (type, i))
+ return true;
+ QUIT;
+ for (int j = 0; j < TYPE_NFN_FIELDS (type); j++)
+ for (int i = 0; i < TYPE_FN_FIELDLIST_LENGTH (type, j); i++)
+ if (!TYPE_FN_FIELD_PRIVATE (TYPE_FN_FIELDLIST1 (type,
+ j), i))
+ return true;
+ QUIT;
+ for (int i = 0; i < TYPE_TYPEDEF_FIELD_COUNT (type); ++i)
+ if (!TYPE_TYPEDEF_FIELD_PRIVATE (type, i))
+ return true;
+ }
+ else
+ {
+ QUIT;
+ for (int i = TYPE_N_BASECLASSES (type); i < TYPE_NFIELDS (type); i++)
+ if (TYPE_FIELD_PRIVATE (type, i) || TYPE_FIELD_PROTECTED (type, i))
+ return true;
+ QUIT;
+ for (int j = 0; j < TYPE_NFN_FIELDS (type); j++)
+ {
+ QUIT;
+ for (int i = 0; i < TYPE_FN_FIELDLIST_LENGTH (type, j); i++)
+ if (TYPE_FN_FIELD_PROTECTED (TYPE_FN_FIELDLIST1 (type,
+ j), i)
+ || TYPE_FN_FIELD_PRIVATE (TYPE_FN_FIELDLIST1 (type,
+ j),
+ i))
+ return true;
+ }
+ QUIT;
+ for (int i = 0; i < TYPE_TYPEDEF_FIELD_COUNT (type); ++i)
+ if (TYPE_TYPEDEF_FIELD_PROTECTED (type, i)
+ || TYPE_TYPEDEF_FIELD_PRIVATE (type, i))
+ return true;
+ }
+
+ return false;
+}
+
+/* Helper function that temporarily disables FLAGS->PRINT_OFFSETS,
+ calls 'c_print_type_1', and then reenables FLAGS->PRINT_OFFSETS if
+ applicable. */
+
+static void
+c_print_type_no_offsets (struct type *type,
+ const char *varstring,
+ struct ui_file *stream,
+ int show, int level,
+ enum language language,
+ struct type_print_options *flags,
+ struct print_offset_data *podata)
+{
+ unsigned int old_po = flags->print_offsets;
+
+ /* Temporarily disable print_offsets, because it would mess with
+ indentation. */
+ flags->print_offsets = 0;
+ c_print_type_1 (type, varstring, stream, show, level, language, flags,
+ podata);
+ flags->print_offsets = old_po;
+}
+
+/* Helper for 'c_type_print_base' that handles structs and unions.
+ For a description of the arguments, see 'c_type_print_base'. */
+
+static void
+c_type_print_base_struct_union (struct type *type, struct ui_file *stream,
+ int show, int level,
+ enum language language,
+ const struct type_print_options *flags,
+ struct print_offset_data *podata)
+{
+ struct type_print_options local_flags = *flags;
+ local_flags.local_typedefs = NULL;
+
+ std::unique_ptr<typedef_hash_table> hash_holder;
+ if (!flags->raw)
+ {
+ if (flags->local_typedefs)
+ local_flags.local_typedefs
+ = new typedef_hash_table (*flags->local_typedefs);
+ else
+ local_flags.local_typedefs = new typedef_hash_table ();
+
+ hash_holder.reset (local_flags.local_typedefs);
+ }
+
+ 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_NAME (type) != NULL
+ && !startswith (TYPE_NAME (type), "{unnamed"))
+ {
+ /* When printing the tag name, we are still effectively
+ printing in the outer context, hence the use of FLAGS
+ here. */
+ print_name_maybe_canonical (TYPE_NAME (type), flags, stream);
+ if (show > 0)
+ fputs_filtered (" ", stream);
+ }
+
+ if (show < 0)
+ {
+ /* If we just printed a tag name, no need to print anything
+ else. */
+ if (TYPE_NAME (type) == NULL)
+ fprintf_filtered (stream, "{...}");
+ }
+ else if (show > 0 || TYPE_NAME (type) == NULL)
+ {
+ struct type *basetype;
+ int vptr_fieldno;
+
+ c_type_print_template_args (&local_flags, type, stream);
+
+ /* Add in template parameters when printing derivation info. */
+ if (local_flags.local_typedefs != NULL)
+ local_flags.local_typedefs->add_template_parameters (type);
+ cp_type_print_derivation_info (stream, type, &local_flags);
+
+ /* This holds just the global typedefs and the template
+ parameters. */
+ struct type_print_options semi_local_flags = *flags;
+ semi_local_flags.local_typedefs = NULL;
+
+ std::unique_ptr<typedef_hash_table> semi_holder;
+ if (local_flags.local_typedefs != nullptr)
+ {
+ semi_local_flags.local_typedefs
+ = new typedef_hash_table (*local_flags.local_typedefs);
+ semi_holder.reset (semi_local_flags.local_typedefs);
+
+ /* Now add in the local typedefs. */
+ local_flags.local_typedefs->recursively_update (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,
+ _("%p[<incomplete type>%p]\n"),
+ metadata_style.style ().ptr (), nullptr);
+ else
+ fprintfi_filtered (level + 4, stream,
+ _("%p[<no data fields>%p]\n"),
+ metadata_style.style ().ptr (), nullptr);
+ }
+
+ /* 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. */
+
+ enum access_specifier 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. */
+ bool need_access_label = need_access_label_p (type);
+
+ /* If there is a base class for this type,
+ do not print the field that it occupies. */
+
+ int len = TYPE_NFIELDS (type);
+ vptr_fieldno = get_vptr_fieldno (type, &basetype);
+
+ struct print_offset_data local_podata;
+
+ for (int 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)
+ {
+ section_type = output_access_specifier
+ (stream, section_type, level,
+ TYPE_FIELD_PROTECTED (type, i),
+ TYPE_FIELD_PRIVATE (type, i), flags);
+ }
+
+ bool is_static = field_is_static (&TYPE_FIELD (type, i));
+
+ if (flags->print_offsets)
+ podata->update (type, i, stream);
+
+ print_spaces_filtered (level + 4, stream);
+ if (is_static)
+ fprintf_filtered (stream, "static ");
+
+ int newshow = show - 1;
+
+ if (!is_static && flags->print_offsets
+ && (TYPE_CODE (TYPE_FIELD_TYPE (type, i)) == TYPE_CODE_STRUCT
+ || TYPE_CODE (TYPE_FIELD_TYPE (type, i)) == TYPE_CODE_UNION))
+ {
+ /* If we're printing offsets and this field's type is
+ either a struct or an union, then we're interested in
+ expanding it. */
+ ++newshow;
+
+ /* Make sure we carry our offset when we expand the
+ struct/union. */
+ local_podata.offset_bitpos
+ = podata->offset_bitpos + TYPE_FIELD_BITPOS (type, i);
+ /* We're entering a struct/union. Right now,
+ PODATA->END_BITPOS points right *after* the
+ struct/union. However, when printing the first field
+ of this inner struct/union, the end_bitpos we're
+ expecting is exactly at the beginning of the
+ struct/union. Therefore, we subtract the length of
+ the whole struct/union. */
+ local_podata.end_bitpos
+ = podata->end_bitpos
+ - TYPE_LENGTH (TYPE_FIELD_TYPE (type, i)) * TARGET_CHAR_BIT;
+ }
+
+ c_print_type_1 (TYPE_FIELD_TYPE (type, i),
+ TYPE_FIELD_NAME (type, i),
+ stream, newshow, level + 4,
+ language, &local_flags, &local_podata);
+
+ if (!is_static && 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);
+ if (!flags->print_methods)
+ len = 0;
+ int real_len = 0;
+ for (int 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 (int 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 (type);
+ int is_constructor = name && strcmp (method_name,
+ name) == 0;
+
+ for (j = 0; j < len2; j++)
+ {
+ const char *mangled_name;
+ gdb::unique_xmalloc_ptr<char> mangled_name_holder;
+ char *demangled_name;
+ const char *physname = TYPE_FN_FIELD_PHYSNAME (f, j);
+ int is_full_physname_constructor =
+ TYPE_FN_FIELD_CONSTRUCTOR (f, j)
+ || 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;
+ section_type = output_access_specifier
+ (stream, section_type, level,
+ TYPE_FN_FIELD_PROTECTED (f, j),
+ TYPE_FN_FIELD_PRIVATE (f, j), flags);
+
+ print_spaces_filtered_with_print_options (level + 4, stream,
+ flags);
+ 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,
+ _("%p[<undefined type>%p] %s;\n"),
+ metadata_style.style ().ptr (), nullptr,
+ 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))
+ {
+ c_print_type_no_offsets
+ (TYPE_TARGET_TYPE (TYPE_FN_FIELD_TYPE (f, j)),
+ "", stream, -1, 0, language, &local_flags, podata);
+
+ fputs_filtered (" ", stream);
+ }
+ if (TYPE_FN_FIELD_STUB (f, j))
+ {
+ /* Build something we can demangle. */
+ mangled_name_holder.reset (gdb_mangle_name (type, i, j));
+ mangled_name = mangled_name_holder.get ();
+ }
+ else
+ mangled_name = TYPE_FN_FIELD_PHYSNAME (f, j);
+
+ demangled_name =
+ gdb_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, language,
+ &local_flags);
+ }
+ else
+ fprintf_styled (stream, metadata_style.style (),
+ _("<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);
+ }
+
+ fprintf_filtered (stream, ";\n");
+ }
+ }
+
+ /* Print out nested types. */
+ if (TYPE_NESTED_TYPES_COUNT (type) != 0
+ && semi_local_flags.print_nested_type_limit != 0)
+ {
+ if (semi_local_flags.print_nested_type_limit > 0)
+ --semi_local_flags.print_nested_type_limit;
+
+ if (TYPE_NFIELDS (type) != 0 || TYPE_NFN_FIELDS (type) != 0)
+ fprintf_filtered (stream, "\n");
+
+ for (int i = 0; i < TYPE_NESTED_TYPES_COUNT (type); ++i)
+ {
+ print_spaces_filtered_with_print_options (level + 4, stream,
+ flags);
+ c_print_type_no_offsets (TYPE_NESTED_TYPES_FIELD_TYPE (type, i),
+ "", stream, show, level + 4,
+ language, &semi_local_flags, podata);
+ fprintf_filtered (stream, ";\n");
+ }
+ }
+
+ /* Print typedefs defined in this class. */
+
+ if (TYPE_TYPEDEF_FIELD_COUNT (type) != 0 && flags->print_typedefs)
+ {
+ if (TYPE_NFIELDS (type) != 0 || TYPE_NFN_FIELDS (type) != 0
+ || TYPE_NESTED_TYPES_COUNT (type) != 0)
+ fprintf_filtered (stream, "\n");
+
+ for (int 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);
+
+ if (need_access_label)
+ {
+ section_type = output_access_specifier
+ (stream, section_type, level,
+ TYPE_TYPEDEF_FIELD_PROTECTED (type, i),
+ TYPE_TYPEDEF_FIELD_PRIVATE (type, i), flags);
+ }
+ print_spaces_filtered_with_print_options (level + 4, stream,
+ flags);
+ fprintf_filtered (stream, "typedef ");
+
+ /* We want to print typedefs with substitutions
+ from the template parameters or globally-known
+ typedefs but not local typedefs. */
+ c_print_type_no_offsets (target,
+ TYPE_TYPEDEF_FIELD_NAME (type, i),
+ stream, show - 1, level + 4,
+ language, &semi_local_flags, podata);
+ fprintf_filtered (stream, ";\n");
+ }
+ }
+
+ if (flags->print_offsets)
+ {
+ if (show > 0)
+ podata->finish (type, level, stream);
+
+ print_spaces_filtered (print_offset_data::indentation, stream);
+ if (level == 0)
+ print_spaces_filtered (2, stream);
+ }
+
+ fprintfi_filtered (level, stream, "}");
+ }
+}
+