1 /* Helper routines for C++ support in GDB.
2 Copyright (C) 2002-2020 Free Software Foundation, Inc.
4 Contributed by MontaVista Software.
5 Namespace support contributed by David Carlton.
7 This file is part of GDB.
9 This program is free software; you can redistribute it and/or modify
10 it under the terms of the GNU General Public License as published by
11 the Free Software Foundation; either version 3 of the License, or
12 (at your option) any later version.
14 This program is distributed in the hope that it will be useful,
15 but WITHOUT ANY WARRANTY; without even the implied warranty of
16 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 GNU General Public License for more details.
19 You should have received a copy of the GNU General Public License
20 along with this program. If not, see <http://www.gnu.org/licenses/>. */
25 /* We need this for 'domain_enum', alas... */
28 #include "gdbsupport/gdb_vecs.h"
29 #include "gdb_obstack.h"
30 #include "gdbsupport/array-view.h"
33 /* Opaque declarations. */
37 struct buildsym_compunit;
40 struct demangle_component;
43 /* A string representing the name of the anonymous namespace used in GDB. */
45 #define CP_ANONYMOUS_NAMESPACE_STR "(anonymous namespace)"
47 /* The length of the string representing the anonymous namespace. */
49 #define CP_ANONYMOUS_NAMESPACE_LEN 21
51 /* A string representing the start of an operator name. */
53 #define CP_OPERATOR_STR "operator"
55 /* The length of CP_OPERATOR_STR. */
57 #define CP_OPERATOR_LEN 8
59 /* The result of parsing a name. */
61 struct demangle_parse_info
63 demangle_parse_info ();
65 ~demangle_parse_info ();
67 /* The memory used during the parse. */
68 struct demangle_info *info;
70 /* The result of the parse. */
71 struct demangle_component *tree;
73 /* Any temporary memory used during typedef replacement. */
74 struct obstack obstack;
78 /* Functions from cp-support.c. */
80 extern std::string cp_canonicalize_string (const char *string);
82 extern std::string cp_canonicalize_string_no_typedefs (const char *string);
84 typedef const char *(canonicalization_ftype) (struct type *, void *);
86 extern std::string cp_canonicalize_string_full (const char *string,
87 canonicalization_ftype *finder,
90 extern char *cp_class_name_from_physname (const char *physname);
92 extern char *method_name_from_physname (const char *physname);
94 extern unsigned int cp_find_first_component (const char *name);
96 extern unsigned int cp_entire_prefix_len (const char *name);
98 extern gdb::unique_xmalloc_ptr<char> cp_func_name (const char *full_name);
100 extern gdb::unique_xmalloc_ptr<char> cp_remove_params
101 (const char *demanged_name);
103 /* DEMANGLED_NAME is the name of a function, (optionally) including
104 parameters and (optionally) a return type. Return the name of the
105 function without parameters or return type, or NULL if we can not
106 parse the name. If COMPLETION_MODE is true, then tolerate a
107 non-existing or unbalanced parameter list. */
108 extern gdb::unique_xmalloc_ptr<char> cp_remove_params_if_any
109 (const char *demangled_name, bool completion_mode);
111 extern std::vector<symbol *> make_symbol_overload_list (const char *,
114 extern void add_symbol_overload_list_adl
115 (gdb::array_view<type *> arg_types,
116 const char *func_name,
117 std::vector<symbol *> *overload_list);
119 extern struct type *cp_lookup_rtti_type (const char *name,
120 const struct block *block);
122 /* Produce an unsigned hash value from SEARCH_NAME that is compatible
123 with cp_symbol_name_matches. Only the last component in
124 "foo::bar::function()" is considered for hashing purposes (i.e.,
125 the entire prefix is skipped), so that later on looking up for
126 "function" or "bar::function" in all namespaces is possible. */
127 extern unsigned int cp_search_name_hash (const char *search_name);
129 /* Implement the "la_get_symbol_name_matcher" language_defn method for
131 extern symbol_name_matcher_ftype *cp_get_symbol_name_matcher
132 (const lookup_name_info &lookup_name);
134 /* Functions/variables from cp-namespace.c. */
136 extern int cp_is_in_anonymous (const char *symbol_name);
138 extern void cp_scan_for_anonymous_namespaces (struct buildsym_compunit *,
139 const struct symbol *symbol,
140 struct objfile *objfile);
142 extern struct block_symbol cp_lookup_symbol_nonlocal
143 (const struct language_defn *langdef,
145 const struct block *block,
146 const domain_enum domain);
148 extern struct block_symbol
149 cp_lookup_symbol_namespace (const char *the_namespace,
151 const struct block *block,
152 const domain_enum domain);
154 extern struct block_symbol cp_lookup_symbol_imports_or_template
157 const struct block *block,
158 const domain_enum domain);
160 extern struct block_symbol
161 cp_lookup_nested_symbol (struct type *parent_type,
162 const char *nested_name,
163 const struct block *block,
164 const domain_enum domain);
166 struct type *cp_lookup_transparent_type (const char *name);
168 /* See description in cp-namespace.c. */
170 struct type *cp_find_type_baseclass_by_name (struct type *parent_type,
173 /* Functions from cp-name-parser.y. */
175 extern std::unique_ptr<demangle_parse_info> cp_demangled_name_to_comp
176 (const char *demangled_name, std::string *errmsg);
178 extern gdb::unique_xmalloc_ptr<char> cp_comp_to_string
179 (struct demangle_component *result, int estimated_len);
181 extern void cp_merge_demangle_parse_infos (struct demangle_parse_info *,
182 struct demangle_component *,
183 struct demangle_parse_info *);
185 /* The list of "maint cplus" commands. */
187 extern struct cmd_list_element *maint_cplus_cmd_list;
189 /* A wrapper for bfd_demangle. */
191 char *gdb_demangle (const char *name, int options);
193 /* Like gdb_demangle, but suitable for use as la_sniff_from_mangled_name. */
195 int gdb_sniff_from_mangled_name (const char *mangled, char **demangled);
197 #endif /* CP_SUPPORT_H */