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/* Helper routines for C++ support in GDB.
Copyright (C) 2002-2024 Free Software Foundation, Inc.
Contributed by MontaVista Software.
Namespace support contributed by David Carlton.
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/>. */
#ifndef CP_SUPPORT_H
#define CP_SUPPORT_H
#include "symtab.h"
#include "gdbsupport/gdb_vecs.h"
#include "gdbsupport/gdb_obstack.h"
#include "gdbsupport/array-view.h"
#include <vector>
/* Opaque declarations. */
struct symbol;
struct block;
struct buildsym_compunit;
struct objfile;
struct type;
struct demangle_component;
struct using_direct;
/* A string representing the name of the anonymous namespace used in GDB. */
#define CP_ANONYMOUS_NAMESPACE_STR "(anonymous namespace)"
/* The length of the string representing the anonymous namespace. */
#define CP_ANONYMOUS_NAMESPACE_LEN 21
/* A string representing the start of an operator name. */
#define CP_OPERATOR_STR "operator"
/* The length of CP_OPERATOR_STR. */
#define CP_OPERATOR_LEN 8
/* The result of parsing a name. */
struct demangle_parse_info
{
/* The result of the parse. */
struct demangle_component *tree = nullptr;
/* Any memory used during processing. */
auto_obstack obstack;
/* Any other objects referred to by this object, and whose storage
lifetime must be linked. */
std::vector<std::unique_ptr<demangle_parse_info>> infos;
};
/* Functions from cp-support.c. */
extern gdb::unique_xmalloc_ptr<char> cp_canonicalize_string
(const char *string);
extern gdb::unique_xmalloc_ptr<char> cp_canonicalize_string_no_typedefs
(const char *string);
typedef const char *(canonicalization_ftype) (struct type *, void *);
extern gdb::unique_xmalloc_ptr<char> cp_canonicalize_string_full
(const char *string, canonicalization_ftype *finder, void *data);
extern char *cp_class_name_from_physname (const char *physname);
extern char *method_name_from_physname (const char *physname);
extern unsigned int cp_find_first_component (const char *name);
extern unsigned int cp_entire_prefix_len (const char *name);
extern gdb::unique_xmalloc_ptr<char> cp_func_name (const char *full_name);
extern gdb::unique_xmalloc_ptr<char> cp_remove_params
(const char *demangled_name);
/* DEMANGLED_NAME is the name of a function, (optionally) including
parameters and (optionally) a return type. Return the name of the
function without parameters or return type, or NULL if we can not
parse the name. If COMPLETION_MODE is true, then tolerate a
non-existing or unbalanced parameter list. */
extern gdb::unique_xmalloc_ptr<char> cp_remove_params_if_any
(const char *demangled_name, bool completion_mode);
extern std::vector<symbol *> make_symbol_overload_list (const char *,
const char *);
extern void add_symbol_overload_list_adl
(gdb::array_view<type *> arg_types,
const char *func_name,
std::vector<symbol *> *overload_list);
extern struct type *cp_lookup_rtti_type (const char *name,
const struct block *block);
/* Produce an unsigned hash value from SEARCH_NAME that is compatible
with cp_symbol_name_matches. Only the last component in
"foo::bar::function()" is considered for hashing purposes (i.e.,
the entire prefix is skipped), so that later on looking up for
"function" or "bar::function" in all namespaces is possible. */
extern unsigned int cp_search_name_hash (const char *search_name);
/* Implement the "get_symbol_name_matcher" language_defn method for C++. */
extern symbol_name_matcher_ftype *cp_get_symbol_name_matcher
(const lookup_name_info &lookup_name);
/* Functions/variables from cp-namespace.c. */
extern int cp_is_in_anonymous (const char *symbol_name);
extern void cp_scan_for_anonymous_namespaces (struct buildsym_compunit *,
const struct symbol *symbol,
struct objfile *objfile);
extern struct block_symbol cp_lookup_symbol_nonlocal
(const struct language_defn *langdef,
const char *name,
const struct block *block,
const domain_search_flags domain);
extern struct block_symbol
cp_lookup_symbol_namespace (const char *the_namespace,
const char *name,
const struct block *block,
const domain_search_flags domain);
extern struct block_symbol cp_lookup_symbol_imports
(const char *scope,
const char *name,
const struct block *block,
const domain_search_flags domain);
extern struct block_symbol
cp_lookup_nested_symbol (struct type *parent_type,
const char *nested_name,
const struct block *block,
const domain_search_flags domain);
struct type *cp_lookup_transparent_type (const char *name,
domain_search_flags flags);
/* See description in cp-namespace.c. */
struct type *cp_find_type_baseclass_by_name (struct type *parent_type,
const char *name);
/* Functions from cp-name-parser.y. */
extern std::unique_ptr<demangle_parse_info> cp_demangled_name_to_comp
(const char *demangled_name, std::string *errmsg);
/* Convert RESULT to a string. ESTIMATED_LEN is used only as a guide
to the length of the result. */
extern gdb::unique_xmalloc_ptr<char> cp_comp_to_string
(struct demangle_component *result, int estimated_len);
extern void cp_merge_demangle_parse_infos (struct demangle_parse_info *,
struct demangle_component *,
std::unique_ptr<demangle_parse_info>);
/* The list of "maint cplus" commands. */
extern struct cmd_list_element *maint_cplus_cmd_list;
/* Wrappers for bfd and libiberty demangling entry points. Note they
all force DMGL_VERBOSE so that callers don't need to. This is so
that GDB consistently uses DMGL_VERBOSE throughout -- we want
libiberty's demangler to expand standard substitutions to their
full template name. */
/* A wrapper for bfd_demangle. */
gdb::unique_xmalloc_ptr<char> gdb_demangle (const char *name, int options);
/* A wrapper for cplus_demangle_print. */
extern char *gdb_cplus_demangle_print (int options,
struct demangle_component *tree,
int estimated_length,
size_t *p_allocated_size);
/* Find an instance of the character C in the string S that is outside
of all parenthesis pairs, single-quoted strings, and double-quoted
strings. Also, ignore the char within a template name, like a ','
within foo<int, int>. */
extern const char *find_toplevel_char (const char *s, char c);
#endif /* CP_SUPPORT_H */
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