|  | /* Support for printing C and C++ types for GDB, the GNU debugger. | 
|  | Copyright (C) 1986-2021 Free Software Foundation, Inc. | 
|  |  | 
|  | This file is part of GDB. | 
|  |  | 
|  | This program is free software; you can redistribute it and/or modify | 
|  | it under the terms of the GNU General Public License as published by | 
|  | the Free Software Foundation; either version 3 of the License, or | 
|  | (at your option) any later version. | 
|  |  | 
|  | This program is distributed in the hope that it will be useful, | 
|  | but WITHOUT ANY WARRANTY; without even the implied warranty of | 
|  | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the | 
|  | GNU General Public License for more details. | 
|  |  | 
|  | You should have received a copy of the GNU General Public License | 
|  | along with this program.  If not, see <http://www.gnu.org/licenses/>.  */ | 
|  |  | 
|  | #include "defs.h" | 
|  | #include "gdb_obstack.h" | 
|  | #include "bfd.h"		/* Binary File Description.  */ | 
|  | #include "symtab.h" | 
|  | #include "gdbtypes.h" | 
|  | #include "expression.h" | 
|  | #include "value.h" | 
|  | #include "gdbcore.h" | 
|  | #include "target.h" | 
|  | #include "language.h" | 
|  | #include "demangle.h" | 
|  | #include "c-lang.h" | 
|  | #include "cli/cli-style.h" | 
|  | #include "typeprint.h" | 
|  | #include "cp-abi.h" | 
|  | #include "cp-support.h" | 
|  |  | 
|  | /* A list of access specifiers used for printing.  */ | 
|  |  | 
|  | enum access_specifier | 
|  | { | 
|  | s_none, | 
|  | s_public, | 
|  | s_private, | 
|  | s_protected | 
|  | }; | 
|  |  | 
|  | static void c_type_print_varspec_suffix (struct type *, struct ui_file *, int, | 
|  | int, int, | 
|  | enum language, | 
|  | const struct type_print_options *); | 
|  |  | 
|  | static void c_type_print_varspec_prefix (struct type *, | 
|  | struct ui_file *, | 
|  | int, int, int, | 
|  | enum language, | 
|  | const struct type_print_options *, | 
|  | struct print_offset_data *); | 
|  |  | 
|  | /* Print "const", "volatile", or address space modifiers.  */ | 
|  | static void c_type_print_modifier (struct type *, | 
|  | struct ui_file *, | 
|  | int, int, enum language); | 
|  |  | 
|  | static void c_type_print_base_1 (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); | 
|  |  | 
|  |  | 
|  | /* A callback function for cp_canonicalize_string_full that uses | 
|  | typedef_hash_table::find_typedef.  */ | 
|  |  | 
|  | static const char * | 
|  | find_typedef_for_canonicalize (struct type *t, void *data) | 
|  | { | 
|  | return typedef_hash_table::find_typedef | 
|  | ((const struct type_print_options *) data, t); | 
|  | } | 
|  |  | 
|  | /* Print NAME on STREAM.  If the 'raw' field of FLAGS is not set, | 
|  | canonicalize NAME using the local typedefs first.  */ | 
|  |  | 
|  | static void | 
|  | print_name_maybe_canonical (const char *name, | 
|  | const struct type_print_options *flags, | 
|  | struct ui_file *stream) | 
|  | { | 
|  | gdb::unique_xmalloc_ptr<char> s; | 
|  |  | 
|  | if (!flags->raw) | 
|  | s = cp_canonicalize_string_full (name, | 
|  | find_typedef_for_canonicalize, | 
|  | (void *) flags); | 
|  |  | 
|  | fputs_filtered (s != nullptr ? s.get () : name, stream); | 
|  | } | 
|  |  | 
|  |  | 
|  |  | 
|  | /* Helper function for c_print_type.  */ | 
|  |  | 
|  | static void | 
|  | c_print_type_1 (struct type *type, | 
|  | const char *varstring, | 
|  | struct ui_file *stream, | 
|  | int show, int level, | 
|  | enum language language, | 
|  | const struct type_print_options *flags, | 
|  | struct print_offset_data *podata) | 
|  | { | 
|  | enum type_code code; | 
|  | int demangled_args; | 
|  | int need_post_space; | 
|  | const char *local_name; | 
|  |  | 
|  | if (show > 0) | 
|  | type = check_typedef (type); | 
|  |  | 
|  | local_name = typedef_hash_table::find_typedef (flags, type); | 
|  | code = type->code (); | 
|  | if (local_name != NULL) | 
|  | { | 
|  | fputs_filtered (local_name, stream); | 
|  | if (varstring != NULL && *varstring != '\0') | 
|  | fputs_filtered (" ", stream); | 
|  | } | 
|  | else | 
|  | { | 
|  | c_type_print_base_1 (type, stream, show, level, language, flags, podata); | 
|  | if ((varstring != NULL && *varstring != '\0') | 
|  | /* Need a space if going to print stars or brackets; | 
|  | but not if we will print just a type name.  */ | 
|  | || ((show > 0 || type->name () == 0) | 
|  | && (code == TYPE_CODE_PTR || code == TYPE_CODE_FUNC | 
|  | || code == TYPE_CODE_METHOD | 
|  | || (code == TYPE_CODE_ARRAY | 
|  | && !type->is_vector ()) | 
|  | || code == TYPE_CODE_MEMBERPTR | 
|  | || code == TYPE_CODE_METHODPTR | 
|  | || TYPE_IS_REFERENCE (type)))) | 
|  | fputs_filtered (" ", stream); | 
|  | need_post_space = (varstring != NULL && strcmp (varstring, "") != 0); | 
|  | c_type_print_varspec_prefix (type, stream, show, 0, need_post_space, | 
|  | language, flags, podata); | 
|  | } | 
|  |  | 
|  | if (varstring != NULL) | 
|  | { | 
|  | if (code == TYPE_CODE_FUNC || code == TYPE_CODE_METHOD) | 
|  | fputs_styled (varstring, function_name_style.style (), stream); | 
|  | else | 
|  | fputs_styled (varstring, variable_name_style.style (), stream); | 
|  |  | 
|  | /* For demangled function names, we have the arglist as part of | 
|  | the name, so don't print an additional pair of ()'s.  */ | 
|  | if (local_name == NULL) | 
|  | { | 
|  | demangled_args = strchr (varstring, '(') != NULL; | 
|  | c_type_print_varspec_suffix (type, stream, show, | 
|  | 0, demangled_args, | 
|  | language, flags); | 
|  | } | 
|  | } | 
|  | } | 
|  |  | 
|  | /* LEVEL is the depth to indent lines by.  */ | 
|  |  | 
|  | void | 
|  | c_print_type (struct type *type, | 
|  | const char *varstring, | 
|  | struct ui_file *stream, | 
|  | int show, int level, | 
|  | const struct type_print_options *flags) | 
|  | { | 
|  | struct print_offset_data podata (flags); | 
|  |  | 
|  | c_print_type_1 (type, varstring, stream, show, level, | 
|  | current_language->la_language, flags, &podata); | 
|  | } | 
|  |  | 
|  |  | 
|  | /* See c-lang.h.  */ | 
|  |  | 
|  | void | 
|  | c_print_type (struct type *type, | 
|  | const char *varstring, | 
|  | struct ui_file *stream, | 
|  | int show, int level, | 
|  | enum language language, | 
|  | const struct type_print_options *flags) | 
|  | { | 
|  | struct print_offset_data podata (flags); | 
|  |  | 
|  | c_print_type_1 (type, varstring, stream, show, level, language, flags, | 
|  | &podata); | 
|  | } | 
|  |  | 
|  | /* Print a typedef using C syntax.  TYPE is the underlying type. | 
|  | NEW_SYMBOL is the symbol naming the type.  STREAM is the stream on | 
|  | which to print.  */ | 
|  |  | 
|  | void | 
|  | c_print_typedef (struct type *type, | 
|  | struct symbol *new_symbol, | 
|  | struct ui_file *stream) | 
|  | { | 
|  | type = check_typedef (type); | 
|  | fprintf_filtered (stream, "typedef "); | 
|  | type_print (type, "", stream, -1); | 
|  | if ((SYMBOL_TYPE (new_symbol))->name () == 0 | 
|  | || strcmp ((SYMBOL_TYPE (new_symbol))->name (), | 
|  | new_symbol->linkage_name ()) != 0 | 
|  | || SYMBOL_TYPE (new_symbol)->code () == TYPE_CODE_TYPEDEF) | 
|  | fprintf_filtered (stream, " %s", new_symbol->print_name ()); | 
|  | fprintf_filtered (stream, ";"); | 
|  | } | 
|  |  | 
|  | /* If TYPE is a derived type, then print out derivation information. | 
|  | Print only the actual base classes of this type, not the base | 
|  | classes of the base classes.  I.e. for the derivation hierarchy: | 
|  |  | 
|  | class A { int a; }; | 
|  | class B : public A {int b; }; | 
|  | class C : public B {int c; }; | 
|  |  | 
|  | Print the type of class C as: | 
|  |  | 
|  | class C : public B { | 
|  | int c; | 
|  | } | 
|  |  | 
|  | Not as the following (like gdb used to), which is not legal C++ | 
|  | syntax for derived types and may be confused with the multiple | 
|  | inheritance form: | 
|  |  | 
|  | class C : public B : public A { | 
|  | int c; | 
|  | } | 
|  |  | 
|  | In general, gdb should try to print the types as closely as | 
|  | possible to the form that they appear in the source code.  */ | 
|  |  | 
|  | static void | 
|  | cp_type_print_derivation_info (struct ui_file *stream, | 
|  | struct type *type, | 
|  | const struct type_print_options *flags) | 
|  | { | 
|  | const char *name; | 
|  | int i; | 
|  |  | 
|  | for (i = 0; i < TYPE_N_BASECLASSES (type); i++) | 
|  | { | 
|  | wrap_here ("        "); | 
|  | fputs_filtered (i == 0 ? ": " : ", ", stream); | 
|  | fprintf_filtered (stream, "%s%s ", | 
|  | BASETYPE_VIA_PUBLIC (type, i) | 
|  | ? "public" : (TYPE_FIELD_PROTECTED (type, i) | 
|  | ? "protected" : "private"), | 
|  | BASETYPE_VIA_VIRTUAL (type, i) ? " virtual" : ""); | 
|  | name = TYPE_BASECLASS (type, i)->name (); | 
|  | if (name) | 
|  | print_name_maybe_canonical (name, flags, stream); | 
|  | else | 
|  | fprintf_filtered (stream, "(null)"); | 
|  | } | 
|  | if (i > 0) | 
|  | { | 
|  | fputs_filtered (" ", stream); | 
|  | } | 
|  | } | 
|  |  | 
|  | /* Print the C++ method arguments ARGS to the file STREAM.  */ | 
|  |  | 
|  | static void | 
|  | cp_type_print_method_args (struct type *mtype, const char *prefix, | 
|  | const char *varstring, int staticp, | 
|  | struct ui_file *stream, | 
|  | enum language language, | 
|  | const struct type_print_options *flags) | 
|  | { | 
|  | struct field *args = mtype->fields (); | 
|  | int nargs = mtype->num_fields (); | 
|  | int varargs = mtype->has_varargs (); | 
|  | int i; | 
|  |  | 
|  | fprintf_symbol_filtered (stream, prefix, | 
|  | language_cplus, DMGL_ANSI); | 
|  | fprintf_symbol_filtered (stream, varstring, | 
|  | language_cplus, DMGL_ANSI); | 
|  | fputs_filtered ("(", stream); | 
|  |  | 
|  | /* Skip the class variable.  We keep this here to accommodate older | 
|  | compilers and debug formats which may not support artificial | 
|  | parameters.  */ | 
|  | i = staticp ? 0 : 1; | 
|  | if (nargs > i) | 
|  | { | 
|  | while (i < nargs) | 
|  | { | 
|  | struct field arg = args[i++]; | 
|  |  | 
|  | /* Skip any artificial arguments.  */ | 
|  | if (FIELD_ARTIFICIAL (arg)) | 
|  | continue; | 
|  |  | 
|  | c_print_type (arg.type (), "", stream, 0, 0, flags); | 
|  |  | 
|  | if (i == nargs && varargs) | 
|  | fprintf_filtered (stream, ", ..."); | 
|  | else if (i < nargs) | 
|  | { | 
|  | fprintf_filtered (stream, ", "); | 
|  | wrap_here ("        "); | 
|  | } | 
|  | } | 
|  | } | 
|  | else if (varargs) | 
|  | fprintf_filtered (stream, "..."); | 
|  | else if (language == language_cplus) | 
|  | fprintf_filtered (stream, "void"); | 
|  |  | 
|  | fprintf_filtered (stream, ")"); | 
|  |  | 
|  | /* For non-static methods, read qualifiers from the type of | 
|  | THIS.  */ | 
|  | if (!staticp) | 
|  | { | 
|  | struct type *domain; | 
|  |  | 
|  | gdb_assert (nargs > 0); | 
|  | gdb_assert (args[0].type ()->code () == TYPE_CODE_PTR); | 
|  | domain = TYPE_TARGET_TYPE (args[0].type ()); | 
|  |  | 
|  | if (TYPE_CONST (domain)) | 
|  | fprintf_filtered (stream, " const"); | 
|  |  | 
|  | if (TYPE_VOLATILE (domain)) | 
|  | fprintf_filtered (stream, " volatile"); | 
|  |  | 
|  | if (TYPE_RESTRICT (domain)) | 
|  | fprintf_filtered (stream, (language == language_cplus | 
|  | ? " __restrict__" | 
|  | : " restrict")); | 
|  |  | 
|  | if (TYPE_ATOMIC (domain)) | 
|  | fprintf_filtered (stream, " _Atomic"); | 
|  | } | 
|  | } | 
|  |  | 
|  |  | 
|  | /* Print any asterisks or open-parentheses needed before the | 
|  | variable name (to describe its type). | 
|  |  | 
|  | On outermost call, pass 0 for PASSED_A_PTR. | 
|  | On outermost call, SHOW > 0 means should ignore | 
|  | any typename for TYPE and show its details. | 
|  | SHOW is always zero on recursive calls. | 
|  |  | 
|  | NEED_POST_SPACE is non-zero when a space will be be needed | 
|  | between a trailing qualifier and a field, variable, or function | 
|  | name.  */ | 
|  |  | 
|  | static void | 
|  | c_type_print_varspec_prefix (struct type *type, | 
|  | struct ui_file *stream, | 
|  | int show, int passed_a_ptr, | 
|  | int need_post_space, | 
|  | enum language language, | 
|  | const struct type_print_options *flags, | 
|  | struct print_offset_data *podata) | 
|  | { | 
|  | const char *name; | 
|  |  | 
|  | if (type == 0) | 
|  | return; | 
|  |  | 
|  | if (type->name () && show <= 0) | 
|  | return; | 
|  |  | 
|  | QUIT; | 
|  |  | 
|  | switch (type->code ()) | 
|  | { | 
|  | case TYPE_CODE_PTR: | 
|  | c_type_print_varspec_prefix (TYPE_TARGET_TYPE (type), | 
|  | stream, show, 1, 1, language, flags, | 
|  | podata); | 
|  | fprintf_filtered (stream, "*"); | 
|  | c_type_print_modifier (type, stream, 1, need_post_space, language); | 
|  | break; | 
|  |  | 
|  | case TYPE_CODE_MEMBERPTR: | 
|  | c_type_print_varspec_prefix (TYPE_TARGET_TYPE (type), | 
|  | stream, show, 0, 0, language, flags, podata); | 
|  | name = TYPE_SELF_TYPE (type)->name (); | 
|  | if (name) | 
|  | print_name_maybe_canonical (name, flags, stream); | 
|  | else | 
|  | c_type_print_base_1 (TYPE_SELF_TYPE (type), | 
|  | stream, -1, passed_a_ptr, language, flags, | 
|  | podata); | 
|  | fprintf_filtered (stream, "::*"); | 
|  | break; | 
|  |  | 
|  | case TYPE_CODE_METHODPTR: | 
|  | c_type_print_varspec_prefix (TYPE_TARGET_TYPE (type), | 
|  | stream, show, 0, 0, language, flags, | 
|  | podata); | 
|  | fprintf_filtered (stream, "("); | 
|  | name = TYPE_SELF_TYPE (type)->name (); | 
|  | if (name) | 
|  | print_name_maybe_canonical (name, flags, stream); | 
|  | else | 
|  | c_type_print_base_1 (TYPE_SELF_TYPE (type), | 
|  | stream, -1, passed_a_ptr, language, flags, | 
|  | podata); | 
|  | fprintf_filtered (stream, "::*"); | 
|  | break; | 
|  |  | 
|  | case TYPE_CODE_REF: | 
|  | case TYPE_CODE_RVALUE_REF: | 
|  | c_type_print_varspec_prefix (TYPE_TARGET_TYPE (type), | 
|  | stream, show, 1, 0, language, flags, | 
|  | podata); | 
|  | fprintf_filtered (stream, type->code () == TYPE_CODE_REF ? "&" : "&&"); | 
|  | c_type_print_modifier (type, stream, 1, need_post_space, language); | 
|  | break; | 
|  |  | 
|  | case TYPE_CODE_METHOD: | 
|  | case TYPE_CODE_FUNC: | 
|  | c_type_print_varspec_prefix (TYPE_TARGET_TYPE (type), | 
|  | stream, show, 0, 0, language, flags, | 
|  | podata); | 
|  | if (passed_a_ptr) | 
|  | fprintf_filtered (stream, "("); | 
|  | break; | 
|  |  | 
|  | case TYPE_CODE_ARRAY: | 
|  | c_type_print_varspec_prefix (TYPE_TARGET_TYPE (type), | 
|  | stream, show, 0, need_post_space, | 
|  | language, flags, podata); | 
|  | if (passed_a_ptr) | 
|  | fprintf_filtered (stream, "("); | 
|  | break; | 
|  |  | 
|  | case TYPE_CODE_TYPEDEF: | 
|  | c_type_print_varspec_prefix (TYPE_TARGET_TYPE (type), | 
|  | stream, show, passed_a_ptr, 0, | 
|  | language, flags, podata); | 
|  | break; | 
|  |  | 
|  | case TYPE_CODE_UNDEF: | 
|  | case TYPE_CODE_STRUCT: | 
|  | case TYPE_CODE_UNION: | 
|  | case TYPE_CODE_ENUM: | 
|  | case TYPE_CODE_FLAGS: | 
|  | case TYPE_CODE_INT: | 
|  | case TYPE_CODE_FLT: | 
|  | case TYPE_CODE_VOID: | 
|  | case TYPE_CODE_ERROR: | 
|  | case TYPE_CODE_CHAR: | 
|  | case TYPE_CODE_BOOL: | 
|  | case TYPE_CODE_SET: | 
|  | case TYPE_CODE_RANGE: | 
|  | case TYPE_CODE_STRING: | 
|  | case TYPE_CODE_COMPLEX: | 
|  | case TYPE_CODE_NAMESPACE: | 
|  | case TYPE_CODE_DECFLOAT: | 
|  | case TYPE_CODE_FIXED_POINT: | 
|  | /* These types need no prefix.  They are listed here so that | 
|  | gcc -Wall will reveal any types that haven't been handled.  */ | 
|  | break; | 
|  | default: | 
|  | error (_("type not handled in c_type_print_varspec_prefix()")); | 
|  | break; | 
|  | } | 
|  | } | 
|  |  | 
|  | /* Print out "const" and "volatile" attributes, | 
|  | and address space id if present. | 
|  | TYPE is a pointer to the type being printed out. | 
|  | STREAM is the output destination. | 
|  | NEED_PRE_SPACE = 1 indicates an initial white space is needed. | 
|  | NEED_POST_SPACE = 1 indicates a final white space is needed.  */ | 
|  |  | 
|  | static void | 
|  | c_type_print_modifier (struct type *type, struct ui_file *stream, | 
|  | int need_pre_space, int need_post_space, | 
|  | enum language language) | 
|  | { | 
|  | int did_print_modifier = 0; | 
|  | const char *address_space_id; | 
|  |  | 
|  | /* We don't print `const' qualifiers for references --- since all | 
|  | operators affect the thing referenced, not the reference itself, | 
|  | every reference is `const'.  */ | 
|  | if (TYPE_CONST (type) && !TYPE_IS_REFERENCE (type)) | 
|  | { | 
|  | if (need_pre_space) | 
|  | fprintf_filtered (stream, " "); | 
|  | fprintf_filtered (stream, "const"); | 
|  | did_print_modifier = 1; | 
|  | } | 
|  |  | 
|  | if (TYPE_VOLATILE (type)) | 
|  | { | 
|  | if (did_print_modifier || need_pre_space) | 
|  | fprintf_filtered (stream, " "); | 
|  | fprintf_filtered (stream, "volatile"); | 
|  | did_print_modifier = 1; | 
|  | } | 
|  |  | 
|  | if (TYPE_RESTRICT (type)) | 
|  | { | 
|  | if (did_print_modifier || need_pre_space) | 
|  | fprintf_filtered (stream, " "); | 
|  | fprintf_filtered (stream, (language == language_cplus | 
|  | ? "__restrict__" | 
|  | : "restrict")); | 
|  | did_print_modifier = 1; | 
|  | } | 
|  |  | 
|  | if (TYPE_ATOMIC (type)) | 
|  | { | 
|  | if (did_print_modifier || need_pre_space) | 
|  | fprintf_filtered (stream, " "); | 
|  | fprintf_filtered (stream, "_Atomic"); | 
|  | did_print_modifier = 1; | 
|  | } | 
|  |  | 
|  | address_space_id | 
|  | = address_space_type_instance_flags_to_name (type->arch (), | 
|  | type->instance_flags ()); | 
|  | if (address_space_id) | 
|  | { | 
|  | if (did_print_modifier || need_pre_space) | 
|  | fprintf_filtered (stream, " "); | 
|  | fprintf_filtered (stream, "@%s", address_space_id); | 
|  | did_print_modifier = 1; | 
|  | } | 
|  |  | 
|  | if (did_print_modifier && need_post_space) | 
|  | fprintf_filtered (stream, " "); | 
|  | } | 
|  |  | 
|  |  | 
|  | /* Print out the arguments of TYPE, which should have TYPE_CODE_METHOD | 
|  | or TYPE_CODE_FUNC, to STREAM.  Artificial arguments, such as "this" | 
|  | in non-static methods, are displayed if LINKAGE_NAME is zero.  If | 
|  | LINKAGE_NAME is non-zero and LANGUAGE is language_cplus the topmost | 
|  | parameter types get removed their possible const and volatile qualifiers to | 
|  | match demangled linkage name parameters part of such function type. | 
|  | LANGUAGE is the language in which TYPE was defined.  This is a necessary | 
|  | evil since this code is used by the C and C++.  */ | 
|  |  | 
|  | void | 
|  | c_type_print_args (struct type *type, struct ui_file *stream, | 
|  | int linkage_name, enum language language, | 
|  | const struct type_print_options *flags) | 
|  | { | 
|  | int i; | 
|  | int printed_any = 0; | 
|  |  | 
|  | fprintf_filtered (stream, "("); | 
|  |  | 
|  | for (i = 0; i < type->num_fields (); i++) | 
|  | { | 
|  | struct type *param_type; | 
|  |  | 
|  | if (TYPE_FIELD_ARTIFICIAL (type, i) && linkage_name) | 
|  | continue; | 
|  |  | 
|  | if (printed_any) | 
|  | { | 
|  | fprintf_filtered (stream, ", "); | 
|  | wrap_here ("    "); | 
|  | } | 
|  |  | 
|  | param_type = type->field (i).type (); | 
|  |  | 
|  | if (language == language_cplus && linkage_name) | 
|  | { | 
|  | /* C++ standard, 13.1 Overloadable declarations, point 3, item: | 
|  | - Parameter declarations that differ only in the presence or | 
|  | absence of const and/or volatile are equivalent. | 
|  |  | 
|  | And the const/volatile qualifiers are not present in the mangled | 
|  | names as produced by GCC.  */ | 
|  |  | 
|  | param_type = make_cv_type (0, 0, param_type, NULL); | 
|  | } | 
|  |  | 
|  | c_print_type (param_type, "", stream, -1, 0, language, flags); | 
|  | printed_any = 1; | 
|  | } | 
|  |  | 
|  | if (printed_any && type->has_varargs ()) | 
|  | { | 
|  | /* Print out a trailing ellipsis for varargs functions.  Ignore | 
|  | TYPE_VARARGS if the function has no named arguments; that | 
|  | represents unprototyped (K&R style) C functions.  */ | 
|  | if (printed_any && type->has_varargs ()) | 
|  | { | 
|  | fprintf_filtered (stream, ", "); | 
|  | wrap_here ("    "); | 
|  | fprintf_filtered (stream, "..."); | 
|  | } | 
|  | } | 
|  | else if (!printed_any | 
|  | && (type->is_prototyped () || language == language_cplus)) | 
|  | fprintf_filtered (stream, "void"); | 
|  |  | 
|  | fprintf_filtered (stream, ")"); | 
|  | } | 
|  |  | 
|  | /* Return true iff the j'th overloading of the i'th method of TYPE | 
|  | is a type conversion operator, like `operator int () { ... }'. | 
|  | When listing a class's methods, we don't print the return type of | 
|  | such operators.  */ | 
|  |  | 
|  | static int | 
|  | is_type_conversion_operator (struct type *type, int i, int j) | 
|  | { | 
|  | /* I think the whole idea of recognizing type conversion operators | 
|  | by their name is pretty terrible.  But I don't think our present | 
|  | data structure gives us any other way to tell.  If you know of | 
|  | some other way, feel free to rewrite this function.  */ | 
|  | const char *name = TYPE_FN_FIELDLIST_NAME (type, i); | 
|  |  | 
|  | if (!startswith (name, CP_OPERATOR_STR)) | 
|  | return 0; | 
|  |  | 
|  | name += 8; | 
|  | if (! strchr (" \t\f\n\r", *name)) | 
|  | return 0; | 
|  |  | 
|  | while (strchr (" \t\f\n\r", *name)) | 
|  | name++; | 
|  |  | 
|  | if (!('a' <= *name && *name <= 'z') | 
|  | && !('A' <= *name && *name <= 'Z') | 
|  | && *name != '_') | 
|  | /* If this doesn't look like the start of an identifier, then it | 
|  | isn't a type conversion operator.  */ | 
|  | return 0; | 
|  | else if (startswith (name, "new")) | 
|  | name += 3; | 
|  | else if (startswith (name, "delete")) | 
|  | name += 6; | 
|  | else | 
|  | /* If it doesn't look like new or delete, it's a type conversion | 
|  | operator.  */ | 
|  | return 1; | 
|  |  | 
|  | /* Is that really the end of the name?  */ | 
|  | if (('a' <= *name && *name <= 'z') | 
|  | || ('A' <= *name && *name <= 'Z') | 
|  | || ('0' <= *name && *name <= '9') | 
|  | || *name == '_') | 
|  | /* No, so the identifier following "operator" must be a type name, | 
|  | and this is a type conversion operator.  */ | 
|  | return 1; | 
|  |  | 
|  | /* That was indeed the end of the name, so it was `operator new' or | 
|  | `operator delete', neither of which are type conversion | 
|  | operators.  */ | 
|  | return 0; | 
|  | } | 
|  |  | 
|  | /* Given a C++ qualified identifier QID, strip off the qualifiers, | 
|  | yielding the unqualified name.  The return value is a pointer into | 
|  | the original string. | 
|  |  | 
|  | It's a pity we don't have this information in some more structured | 
|  | form.  Even the author of this function feels that writing little | 
|  | parsers like this everywhere is stupid.  */ | 
|  |  | 
|  | static const char * | 
|  | remove_qualifiers (const char *qid) | 
|  | { | 
|  | int quoted = 0;	/* Zero if we're not in quotes; | 
|  | '"' if we're in a double-quoted string; | 
|  | '\'' if we're in a single-quoted string.  */ | 
|  | int depth = 0;	/* Number of unclosed parens we've seen.  */ | 
|  | char *parenstack = (char *) alloca (strlen (qid)); | 
|  | const char *scan; | 
|  | const char *last = 0;	/* The character after the rightmost | 
|  | `::' token we've seen so far.  */ | 
|  |  | 
|  | for (scan = qid; *scan; scan++) | 
|  | { | 
|  | if (quoted) | 
|  | { | 
|  | if (*scan == quoted) | 
|  | quoted = 0; | 
|  | else if (*scan == '\\' && *(scan + 1)) | 
|  | scan++; | 
|  | } | 
|  | else if (scan[0] == ':' && scan[1] == ':') | 
|  | { | 
|  | /* If we're inside parenthesis (i.e., an argument list) or | 
|  | angle brackets (i.e., a list of template arguments), then | 
|  | we don't record the position of this :: token, since it's | 
|  | not relevant to the top-level structure we're trying to | 
|  | operate on.  */ | 
|  | if (depth == 0) | 
|  | { | 
|  | last = scan + 2; | 
|  | scan++; | 
|  | } | 
|  | } | 
|  | else if (*scan == '"' || *scan == '\'') | 
|  | quoted = *scan; | 
|  | else if (*scan == '(') | 
|  | parenstack[depth++] = ')'; | 
|  | else if (*scan == '[') | 
|  | parenstack[depth++] = ']'; | 
|  | /* We're going to treat <> as a pair of matching characters, | 
|  | since we're more likely to see those in template id's than | 
|  | real less-than characters.  What a crock.  */ | 
|  | else if (*scan == '<') | 
|  | parenstack[depth++] = '>'; | 
|  | else if (*scan == ')' || *scan == ']' || *scan == '>') | 
|  | { | 
|  | if (depth > 0 && parenstack[depth - 1] == *scan) | 
|  | depth--; | 
|  | else | 
|  | { | 
|  | /* We're going to do a little error recovery here.  If | 
|  | we don't find a match for *scan on the paren stack, | 
|  | but there is something lower on the stack that does | 
|  | match, we pop the stack to that point.  */ | 
|  | int i; | 
|  |  | 
|  | for (i = depth - 1; i >= 0; i--) | 
|  | if (parenstack[i] == *scan) | 
|  | { | 
|  | depth = i; | 
|  | break; | 
|  | } | 
|  | } | 
|  | } | 
|  | } | 
|  |  | 
|  | if (last) | 
|  | return last; | 
|  | else | 
|  | /* We didn't find any :: tokens at the top level, so declare the | 
|  | whole thing an unqualified identifier.  */ | 
|  | return qid; | 
|  | } | 
|  |  | 
|  | /* Print any array sizes, function arguments or close parentheses | 
|  | needed after the variable name (to describe its type). | 
|  | Args work like c_type_print_varspec_prefix.  */ | 
|  |  | 
|  | static void | 
|  | c_type_print_varspec_suffix (struct type *type, | 
|  | struct ui_file *stream, | 
|  | int show, int passed_a_ptr, | 
|  | int demangled_args, | 
|  | enum language language, | 
|  | const struct type_print_options *flags) | 
|  | { | 
|  | if (type == 0) | 
|  | return; | 
|  |  | 
|  | if (type->name () && show <= 0) | 
|  | return; | 
|  |  | 
|  | QUIT; | 
|  |  | 
|  | switch (type->code ()) | 
|  | { | 
|  | case TYPE_CODE_ARRAY: | 
|  | { | 
|  | LONGEST low_bound, high_bound; | 
|  | int is_vector = type->is_vector (); | 
|  |  | 
|  | if (passed_a_ptr) | 
|  | fprintf_filtered (stream, ")"); | 
|  |  | 
|  | fprintf_filtered (stream, (is_vector ? | 
|  | " __attribute__ ((vector_size(" : "[")); | 
|  | /* Bounds are not yet resolved, print a bounds placeholder instead.  */ | 
|  | if (type->bounds ()->high.kind () == PROP_LOCEXPR | 
|  | || type->bounds ()->high.kind () == PROP_LOCLIST) | 
|  | fprintf_filtered (stream, "variable length"); | 
|  | else if (get_array_bounds (type, &low_bound, &high_bound)) | 
|  | fprintf_filtered (stream, "%s", | 
|  | plongest (high_bound - low_bound + 1)); | 
|  | fprintf_filtered (stream, (is_vector ? ")))" : "]")); | 
|  |  | 
|  | c_type_print_varspec_suffix (TYPE_TARGET_TYPE (type), stream, | 
|  | show, 0, 0, language, flags); | 
|  | } | 
|  | break; | 
|  |  | 
|  | case TYPE_CODE_MEMBERPTR: | 
|  | c_type_print_varspec_suffix (TYPE_TARGET_TYPE (type), stream, | 
|  | show, 0, 0, language, flags); | 
|  | break; | 
|  |  | 
|  | case TYPE_CODE_METHODPTR: | 
|  | fprintf_filtered (stream, ")"); | 
|  | c_type_print_varspec_suffix (TYPE_TARGET_TYPE (type), stream, | 
|  | show, 0, 0, language, flags); | 
|  | break; | 
|  |  | 
|  | case TYPE_CODE_PTR: | 
|  | case TYPE_CODE_REF: | 
|  | case TYPE_CODE_RVALUE_REF: | 
|  | c_type_print_varspec_suffix (TYPE_TARGET_TYPE (type), stream, | 
|  | show, 1, 0, language, flags); | 
|  | break; | 
|  |  | 
|  | case TYPE_CODE_METHOD: | 
|  | case TYPE_CODE_FUNC: | 
|  | if (passed_a_ptr) | 
|  | fprintf_filtered (stream, ")"); | 
|  | if (!demangled_args) | 
|  | c_type_print_args (type, stream, 0, language, flags); | 
|  | c_type_print_varspec_suffix (TYPE_TARGET_TYPE (type), stream, | 
|  | show, passed_a_ptr, 0, language, flags); | 
|  | break; | 
|  |  | 
|  | case TYPE_CODE_TYPEDEF: | 
|  | c_type_print_varspec_suffix (TYPE_TARGET_TYPE (type), stream, | 
|  | show, passed_a_ptr, 0, language, flags); | 
|  | break; | 
|  |  | 
|  | case TYPE_CODE_UNDEF: | 
|  | case TYPE_CODE_STRUCT: | 
|  | case TYPE_CODE_UNION: | 
|  | case TYPE_CODE_FLAGS: | 
|  | case TYPE_CODE_ENUM: | 
|  | case TYPE_CODE_INT: | 
|  | case TYPE_CODE_FLT: | 
|  | case TYPE_CODE_VOID: | 
|  | case TYPE_CODE_ERROR: | 
|  | case TYPE_CODE_CHAR: | 
|  | case TYPE_CODE_BOOL: | 
|  | case TYPE_CODE_SET: | 
|  | case TYPE_CODE_RANGE: | 
|  | case TYPE_CODE_STRING: | 
|  | case TYPE_CODE_COMPLEX: | 
|  | case TYPE_CODE_NAMESPACE: | 
|  | case TYPE_CODE_DECFLOAT: | 
|  | case TYPE_CODE_FIXED_POINT: | 
|  | /* These types do not need a suffix.  They are listed so that | 
|  | gcc -Wall will report types that may not have been | 
|  | considered.  */ | 
|  | break; | 
|  | default: | 
|  | error (_("type not handled in c_type_print_varspec_suffix()")); | 
|  | break; | 
|  | } | 
|  | } | 
|  |  | 
|  | /* A helper for c_type_print_base that displays template | 
|  | parameters and their bindings, if needed. | 
|  |  | 
|  | TABLE is the local bindings table to use.  If NULL, no printing is | 
|  | done.  Note that, at this point, TABLE won't have any useful | 
|  | information in it -- but it is also used as a flag to | 
|  | print_name_maybe_canonical to activate searching the global typedef | 
|  | table. | 
|  |  | 
|  | TYPE is the type whose template arguments are being displayed. | 
|  |  | 
|  | STREAM is the stream on which to print.  */ | 
|  |  | 
|  | static void | 
|  | c_type_print_template_args (const struct type_print_options *flags, | 
|  | struct type *type, struct ui_file *stream) | 
|  | { | 
|  | int first = 1, i; | 
|  |  | 
|  | if (flags->raw) | 
|  | return; | 
|  |  | 
|  | for (i = 0; i < TYPE_N_TEMPLATE_ARGUMENTS (type); ++i) | 
|  | { | 
|  | struct symbol *sym = TYPE_TEMPLATE_ARGUMENT (type, i); | 
|  |  | 
|  | if (SYMBOL_CLASS (sym) != LOC_TYPEDEF) | 
|  | continue; | 
|  |  | 
|  | if (first) | 
|  | { | 
|  | wrap_here ("    "); | 
|  | fprintf_filtered (stream, _("[with %s = "), sym->linkage_name ()); | 
|  | first = 0; | 
|  | } | 
|  | else | 
|  | { | 
|  | fputs_filtered (", ", stream); | 
|  | wrap_here ("         "); | 
|  | fprintf_filtered (stream, "%s = ", sym->linkage_name ()); | 
|  | } | 
|  |  | 
|  | c_print_type (SYMBOL_TYPE (sym), "", stream, -1, 0, flags); | 
|  | } | 
|  |  | 
|  | if (!first) | 
|  | fputs_filtered (_("] "), stream); | 
|  | } | 
|  |  | 
|  | /* 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->is_declared_class ()) | 
|  | { | 
|  | QUIT; | 
|  | for (int i = TYPE_N_BASECLASSES (type); i < type->num_fields (); 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->num_fields (); 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, language); | 
|  | if (type->code () == TYPE_CODE_UNION) | 
|  | fprintf_filtered (stream, "union "); | 
|  | else if (type->is_declared_class ()) | 
|  | 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 () != NULL | 
|  | && !startswith (type->name (), "{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 (), 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 () == NULL) | 
|  | fprintf_filtered (stream, "{...}"); | 
|  | } | 
|  | else if (show > 0 || type->name () == 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->num_fields () == 0 && TYPE_NFN_FIELDS (type) == 0 | 
|  | && TYPE_TYPEDEF_FIELD_COUNT (type) == 0) | 
|  | { | 
|  | print_spaces_filtered_with_print_options (level + 4, stream, flags); | 
|  | if (type->is_stub ()) | 
|  | fprintf_filtered (stream, _("%p[<incomplete type>%p]\n"), | 
|  | metadata_style.style ().ptr (), nullptr); | 
|  | else | 
|  | fprintf_filtered (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->num_fields (); | 
|  | vptr_fieldno = get_vptr_fieldno (type, &basetype); | 
|  |  | 
|  | struct print_offset_data local_podata (flags); | 
|  |  | 
|  | 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 (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->field (i).type ()->code () == TYPE_CODE_STRUCT | 
|  | || type->field (i).type ()->code () == 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 (i).type ()) * TARGET_CHAR_BIT; | 
|  | } | 
|  |  | 
|  | c_print_type_1 (type->field (i).type (), | 
|  | type->field (i).name (), | 
|  | 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 (); | 
|  | 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; | 
|  | 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); | 
|  |  | 
|  | gdb::unique_xmalloc_ptr<char> 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 | 
|  | { | 
|  | const char *p; | 
|  | const char *demangled_no_class | 
|  | = remove_qualifiers (demangled_name.get ()); | 
|  |  | 
|  | /* Get rid of the `static' appended by the | 
|  | demangler.  */ | 
|  | p = strstr (demangled_no_class, " static"); | 
|  | if (p != NULL) | 
|  | { | 
|  | int length = p - demangled_no_class; | 
|  | std::string demangled_no_static (demangled_no_class, | 
|  | length); | 
|  | fputs_filtered (demangled_no_static.c_str (), stream); | 
|  | } | 
|  | else | 
|  | fputs_filtered (demangled_no_class, stream); | 
|  | } | 
|  |  | 
|  | 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->num_fields () != 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->num_fields () != 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 (target->code () == 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); | 
|  | } | 
|  |  | 
|  | fprintf_filtered (stream, "%*s}", level, ""); | 
|  | } | 
|  | } | 
|  |  | 
|  | /* Print the name of the type (or the ultimate pointer target, | 
|  | function value or array element), or the description of a structure | 
|  | or union. | 
|  |  | 
|  | SHOW positive means print details about the type (e.g. enum | 
|  | values), and print structure elements passing SHOW - 1 for show. | 
|  |  | 
|  | SHOW negative means just print the type name or struct tag if there | 
|  | is one.  If there is no name, print something sensible but concise | 
|  | like "struct {...}". | 
|  |  | 
|  | SHOW zero means just print the type name or struct tag if there is | 
|  | one.  If there is no name, print something sensible but not as | 
|  | concise like "struct {int x; int y;}". | 
|  |  | 
|  | LEVEL is the number of spaces to indent by. | 
|  | We increase it for some recursive calls.  */ | 
|  |  | 
|  | static void | 
|  | c_type_print_base_1 (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) | 
|  | { | 
|  | int i; | 
|  | int len; | 
|  |  | 
|  | QUIT; | 
|  |  | 
|  | if (type == NULL) | 
|  | { | 
|  | fputs_styled (_("<type unknown>"), metadata_style.style (), 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 () != NULL) | 
|  | { | 
|  | c_type_print_modifier (type, stream, 0, 1, language); | 
|  |  | 
|  | /* If we have "typedef struct foo {. . .} bar;" do we want to | 
|  | print it as "struct foo" or as "bar"?  Pick the latter for | 
|  | C++, because C++ folk tend to expect things like "class5 | 
|  | *foo" rather than "struct class5 *foo".  We rather | 
|  | arbitrarily choose to make language_minimal work in a C-like | 
|  | way. */ | 
|  | if (language == language_c || language == language_minimal) | 
|  | { | 
|  | if (type->code () == TYPE_CODE_UNION) | 
|  | fprintf_filtered (stream, "union "); | 
|  | else if (type->code () == TYPE_CODE_STRUCT) | 
|  | { | 
|  | if (type->is_declared_class ()) | 
|  | fprintf_filtered (stream, "class "); | 
|  | else | 
|  | fprintf_filtered (stream, "struct "); | 
|  | } | 
|  | else if (type->code () == TYPE_CODE_ENUM) | 
|  | fprintf_filtered (stream, "enum "); | 
|  | } | 
|  |  | 
|  | print_name_maybe_canonical (type->name (), flags, stream); | 
|  | return; | 
|  | } | 
|  |  | 
|  | type = check_typedef (type); | 
|  |  | 
|  | switch (type->code ()) | 
|  | { | 
|  | 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 () == NULL); | 
|  | gdb_assert (TYPE_TARGET_TYPE (type) == NULL); | 
|  | fprintf_styled (stream, metadata_style.style (), | 
|  | _("<unnamed typedef>")); | 
|  | break; | 
|  |  | 
|  | case TYPE_CODE_FUNC: | 
|  | case TYPE_CODE_METHOD: | 
|  | if (TYPE_TARGET_TYPE (type) == NULL) | 
|  | type_print_unknown_return_type (stream); | 
|  | else | 
|  | c_type_print_base_1 (TYPE_TARGET_TYPE (type), | 
|  | stream, show, level, language, flags, podata); | 
|  | break; | 
|  | case TYPE_CODE_ARRAY: | 
|  | case TYPE_CODE_PTR: | 
|  | case TYPE_CODE_MEMBERPTR: | 
|  | case TYPE_CODE_REF: | 
|  | case TYPE_CODE_RVALUE_REF: | 
|  | case TYPE_CODE_METHODPTR: | 
|  | c_type_print_base_1 (TYPE_TARGET_TYPE (type), | 
|  | stream, show, level, language, flags, podata); | 
|  | break; | 
|  |  | 
|  | case TYPE_CODE_STRUCT: | 
|  | case TYPE_CODE_UNION: | 
|  | c_type_print_base_struct_union (type, stream, show, level, | 
|  | language, flags, podata); | 
|  | break; | 
|  |  | 
|  | case TYPE_CODE_ENUM: | 
|  | c_type_print_modifier (type, stream, 0, 1, language); | 
|  | fprintf_filtered (stream, "enum "); | 
|  | if (type->is_declared_class ()) | 
|  | fprintf_filtered (stream, "class "); | 
|  | /* 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->name () != NULL | 
|  | && !startswith (type->name (), "{unnamed")) | 
|  | { | 
|  | print_name_maybe_canonical (type->name (), flags, 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->name () == NULL) | 
|  | fprintf_filtered (stream, "{...}"); | 
|  | } | 
|  | else if (show > 0 || type->name () == NULL) | 
|  | { | 
|  | LONGEST lastval = 0; | 
|  |  | 
|  | /* We can't handle this case perfectly, as DWARF does not | 
|  | tell us whether or not the underlying type was specified | 
|  | in the source (and other debug formats don't provide this | 
|  | at all).  We choose to print the underlying type, if it | 
|  | has a name, when in C++ on the theory that it's better to | 
|  | print too much than too little; but conversely not to | 
|  | print something egregiously outside the current | 
|  | language's syntax.  */ | 
|  | if (language == language_cplus && TYPE_TARGET_TYPE (type) != NULL) | 
|  | { | 
|  | struct type *underlying = check_typedef (TYPE_TARGET_TYPE (type)); | 
|  |  | 
|  | if (underlying->name () != NULL) | 
|  | fprintf_filtered (stream, ": %s ", underlying->name ()); | 
|  | } | 
|  |  | 
|  | fprintf_filtered (stream, "{"); | 
|  | len = type->num_fields (); | 
|  | for (i = 0; i < len; i++) | 
|  | { | 
|  | QUIT; | 
|  | if (i) | 
|  | fprintf_filtered (stream, ", "); | 
|  | wrap_here ("    "); | 
|  | fputs_styled (type->field (i).name (), | 
|  | variable_name_style.style (), 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_FLAGS: | 
|  | { | 
|  | struct type_print_options local_flags = *flags; | 
|  |  | 
|  | local_flags.local_typedefs = NULL; | 
|  |  | 
|  | c_type_print_modifier (type, stream, 0, 1, language); | 
|  | fprintf_filtered (stream, "flag "); | 
|  | print_name_maybe_canonical (type->name (), flags, stream); | 
|  | if (show > 0) | 
|  | { | 
|  | fputs_filtered (" ", stream); | 
|  | fprintf_filtered (stream, "{\n"); | 
|  | if (type->num_fields () == 0) | 
|  | { | 
|  | if (type->is_stub ()) | 
|  | fprintf_filtered (stream, | 
|  | _("%*s%p[<incomplete type>%p]\n"), | 
|  | level + 4, "", | 
|  | metadata_style.style ().ptr (), nullptr); | 
|  | else | 
|  | fprintf_filtered (stream, | 
|  | _("%*s%p[<no data fields>%p]\n"), | 
|  | level + 4, "", | 
|  | metadata_style.style ().ptr (), nullptr); | 
|  | } | 
|  | len = type->num_fields (); | 
|  | for (i = 0; i < len; i++) | 
|  | { | 
|  | QUIT; | 
|  | print_spaces_filtered (level + 4, stream); | 
|  | /* We pass "show" here and not "show - 1" to get enum types | 
|  | printed.  There's no other way to see them.  */ | 
|  | c_print_type_1 (type->field (i).type (), | 
|  | type->field (i).name (), | 
|  | stream, show, level + 4, | 
|  | language, &local_flags, podata); | 
|  | fprintf_filtered (stream, " @%s", | 
|  | plongest (TYPE_FIELD_BITPOS (type, i))); | 
|  | if (TYPE_FIELD_BITSIZE (type, i) > 1) | 
|  | { | 
|  | fprintf_filtered (stream, "-%s", | 
|  | plongest (TYPE_FIELD_BITPOS (type, i) | 
|  | + TYPE_FIELD_BITSIZE (type, i) | 
|  | - 1)); | 
|  | } | 
|  | fprintf_filtered (stream, ";\n"); | 
|  | } | 
|  | fprintf_filtered (stream, "%*s}", level, ""); | 
|  | } | 
|  | } | 
|  | 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_styled (stream, metadata_style.style (), _("<range type>")); | 
|  | break; | 
|  |  | 
|  | case TYPE_CODE_FIXED_POINT: | 
|  | print_type_fixed_point (type, stream); | 
|  | break; | 
|  |  | 
|  | case TYPE_CODE_NAMESPACE: | 
|  | fputs_filtered ("namespace ", stream); | 
|  | fputs_filtered (type->name (), 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 () != NULL) | 
|  | { | 
|  | c_type_print_modifier (type, stream, 0, 1, language); | 
|  | print_name_maybe_canonical (type->name (), flags, stream); | 
|  | } | 
|  | else | 
|  | { | 
|  | /* At least for dump_symtab, it is important that this not | 
|  | be an error ().  */ | 
|  | fprintf_styled (stream, metadata_style.style (), | 
|  | _("<invalid type code %d>"), type->code ()); | 
|  | } | 
|  | break; | 
|  | } | 
|  | } | 
|  |  | 
|  | /* See c_type_print_base_1.  */ | 
|  |  | 
|  | void | 
|  | c_type_print_base (struct type *type, struct ui_file *stream, | 
|  | int show, int level, | 
|  | const struct type_print_options *flags) | 
|  | { | 
|  | struct print_offset_data podata (flags); | 
|  |  | 
|  | c_type_print_base_1 (type, stream, show, level, | 
|  | current_language->la_language, flags, &podata); | 
|  | } |