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cp-support.h
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1/* Helper routines for C++ support in GDB.
2 Copyright (C) 2002-2023 Free Software Foundation, Inc.
3
4 Contributed by MontaVista Software.
5 Namespace support contributed by David Carlton.
6
7 This file is part of GDB.
8
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.
13
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.
18
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/>. */
21
22#ifndef CP_SUPPORT_H
23#define CP_SUPPORT_H
24
25/* We need this for 'domain_enum', alas... */
26
27#include "symtab.h"
28#include "gdbsupport/gdb_vecs.h"
29#include "gdbsupport/gdb_obstack.h"
30#include "gdbsupport/array-view.h"
31#include <vector>
32
33/* Opaque declarations. */
34
35struct symbol;
36struct block;
38struct objfile;
39struct type;
40struct demangle_component;
41struct using_direct;
42
43/* A string representing the name of the anonymous namespace used in GDB. */
44
45#define CP_ANONYMOUS_NAMESPACE_STR "(anonymous namespace)"
46
47/* The length of the string representing the anonymous namespace. */
48
49#define CP_ANONYMOUS_NAMESPACE_LEN 21
50
51/* A string representing the start of an operator name. */
52
53#define CP_OPERATOR_STR "operator"
54
55/* The length of CP_OPERATOR_STR. */
56
57#define CP_OPERATOR_LEN 8
58
59/* The result of parsing a name. */
60
62{
64
66
67 /* The memory used during the parse. */
69
70 /* The result of the parse. */
71 struct demangle_component *tree;
72
73 /* Any temporary memory used during typedef replacement. */
75};
76
77
78/* Functions from cp-support.c. */
79
80extern gdb::unique_xmalloc_ptr<char> cp_canonicalize_string
81 (const char *string);
82
83extern gdb::unique_xmalloc_ptr<char> cp_canonicalize_string_no_typedefs
84 (const char *string);
85
86typedef const char *(canonicalization_ftype) (struct type *, void *);
87
88extern gdb::unique_xmalloc_ptr<char> cp_canonicalize_string_full
89 (const char *string, canonicalization_ftype *finder, void *data);
90
91extern char *cp_class_name_from_physname (const char *physname);
92
93extern char *method_name_from_physname (const char *physname);
94
95extern unsigned int cp_find_first_component (const char *name);
96
97extern unsigned int cp_entire_prefix_len (const char *name);
98
99extern gdb::unique_xmalloc_ptr<char> cp_func_name (const char *full_name);
100
101extern gdb::unique_xmalloc_ptr<char> cp_remove_params
102 (const char *demanged_name);
103
104/* DEMANGLED_NAME is the name of a function, (optionally) including
105 parameters and (optionally) a return type. Return the name of the
106 function without parameters or return type, or NULL if we can not
107 parse the name. If COMPLETION_MODE is true, then tolerate a
108 non-existing or unbalanced parameter list. */
109extern gdb::unique_xmalloc_ptr<char> cp_remove_params_if_any
110 (const char *demangled_name, bool completion_mode);
111
112extern std::vector<symbol *> make_symbol_overload_list (const char *,
113 const char *);
114
116 (gdb::array_view<type *> arg_types,
117 const char *func_name,
118 std::vector<symbol *> *overload_list);
119
120extern struct type *cp_lookup_rtti_type (const char *name,
121 const struct block *block);
122
123/* Produce an unsigned hash value from SEARCH_NAME that is compatible
124 with cp_symbol_name_matches. Only the last component in
125 "foo::bar::function()" is considered for hashing purposes (i.e.,
126 the entire prefix is skipped), so that later on looking up for
127 "function" or "bar::function" in all namespaces is possible. */
128extern unsigned int cp_search_name_hash (const char *search_name);
129
130/* Implement the "get_symbol_name_matcher" language_defn method for C++. */
132 (const lookup_name_info &lookup_name);
133
134/* Functions/variables from cp-namespace.c. */
135
136extern int cp_is_in_anonymous (const char *symbol_name);
137
139 const struct symbol *symbol,
140 struct objfile *objfile);
141
143 (const struct language_defn *langdef,
144 const char *name,
145 const struct block *block,
146 const domain_enum domain);
147
148extern struct block_symbol
149 cp_lookup_symbol_namespace (const char *the_namespace,
150 const char *name,
151 const struct block *block,
152 const domain_enum domain);
153
155 (const char *scope,
156 const char *name,
157 const struct block *block,
158 const domain_enum domain);
159
160extern 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);
165
166struct type *cp_lookup_transparent_type (const char *name);
167
168/* See description in cp-namespace.c. */
169
170struct type *cp_find_type_baseclass_by_name (struct type *parent_type,
171 const char *name);
172
173/* Functions from cp-name-parser.y. */
174
175extern std::unique_ptr<demangle_parse_info> cp_demangled_name_to_comp
176 (const char *demangled_name, std::string *errmsg);
177
178/* Convert RESULT to a string. ESTIMATED_LEN is used only as a guide
179 to the length of the result. */
180
181extern gdb::unique_xmalloc_ptr<char> cp_comp_to_string
182 (struct demangle_component *result, int estimated_len);
183
185 struct demangle_component *,
186 struct demangle_parse_info *);
187
188/* The list of "maint cplus" commands. */
189
191
192/* Wrappers for bfd and libiberty demangling entry points. Note they
193 all force DMGL_VERBOSE so that callers don't need to. This is so
194 that GDB consistently uses DMGL_VERBOSE throughout -- we want
195 libiberty's demangler to expand standard substitutions to their
196 full template name. */
197
198/* A wrapper for bfd_demangle. */
199
200gdb::unique_xmalloc_ptr<char> gdb_demangle (const char *name, int options);
201
202/* A wrapper for cplus_demangle_print. */
203
204extern char *gdb_cplus_demangle_print (int options,
205 struct demangle_component *tree,
206 int estimated_length,
207 size_t *p_allocated_size);
208
209/* Find an instance of the character C in the string S that is outside
210 of all parenthesis pairs, single-quoted strings, and double-quoted
211 strings. Also, ignore the char within a template name, like a ','
212 within foo<int, int>. */
213
214extern const char *find_toplevel_char (const char *s, char c);
215
216#endif /* CP_SUPPORT_H */
const char *const name
struct block_symbol cp_lookup_symbol_imports_or_template(const char *scope, const char *name, const struct block *block, const domain_enum domain)
std::unique_ptr< demangle_parse_info > cp_demangled_name_to_comp(const char *demangled_name, std::string *errmsg)
std::vector< symbol * > make_symbol_overload_list(const char *, const char *)
gdb::unique_xmalloc_ptr< char > cp_canonicalize_string_full(const char *string, canonicalization_ftype *finder, void *data)
Definition cp-support.c:582
gdb::unique_xmalloc_ptr< char > cp_func_name(const char *full_name)
Definition cp-support.c:882
char * gdb_cplus_demangle_print(int options, struct demangle_component *tree, int estimated_length, size_t *p_allocated_size)
gdb::unique_xmalloc_ptr< char > gdb_demangle(const char *name, int options)
gdb::unique_xmalloc_ptr< char > cp_remove_params(const char *demanged_name)
Definition cp-support.c:958
const char * find_toplevel_char(const char *s, char c)
gdb::unique_xmalloc_ptr< char > cp_comp_to_string(struct demangle_component *result, int estimated_len)
struct type * cp_lookup_transparent_type(const char *name)
gdb::unique_xmalloc_ptr< char > cp_canonicalize_string_no_typedefs(const char *string)
Definition cp-support.c:616
symbol_name_matcher_ftype * cp_get_symbol_name_matcher(const lookup_name_info &lookup_name)
struct type * cp_find_type_baseclass_by_name(struct type *parent_type, const char *name)
struct type * cp_lookup_rtti_type(const char *name, const struct block *block)
char * method_name_from_physname(const char *physname)
Definition cp-support.c:852
void add_symbol_overload_list_adl(gdb::array_view< type * > arg_types, const char *func_name, std::vector< symbol * > *overload_list)
unsigned int cp_find_first_component(const char *name)
unsigned int cp_entire_prefix_len(const char *name)
gdb::unique_xmalloc_ptr< char > cp_canonicalize_string(const char *string)
Definition cp-support.c:626
char * cp_class_name_from_physname(const char *physname)
Definition cp-support.c:705
struct block_symbol cp_lookup_symbol_namespace(const char *the_namespace, const char *name, const struct block *block, const domain_enum domain)
unsigned int cp_search_name_hash(const char *search_name)
struct block_symbol cp_lookup_symbol_nonlocal(const struct language_defn *langdef, const char *name, const struct block *block, const domain_enum domain)
void cp_scan_for_anonymous_namespaces(struct buildsym_compunit *, const struct symbol *symbol, struct objfile *objfile)
gdb::unique_xmalloc_ptr< char > cp_remove_params_if_any(const char *demangled_name, bool completion_mode)
Definition cp-support.c:966
struct block_symbol cp_lookup_nested_symbol(struct type *parent_type, const char *nested_name, const struct block *block, const domain_enum domain)
int cp_is_in_anonymous(const char *symbol_name)
void cp_merge_demangle_parse_infos(struct demangle_parse_info *, struct demangle_component *, struct demangle_parse_info *)
struct cmd_list_element * maint_cplus_cmd_list
Definition cp-support.c:72
const char *() canonicalization_ftype(struct type *, void *)
Definition cp-support.h:86
static char errmsg[128]
Definition procfs.c:258
Definition block.h:109
struct obstack obstack
Definition cp-support.h:74
struct demangle_component * tree
Definition cp-support.h:71
struct demangle_info * info
Definition cp-support.h:68
bool() symbol_name_matcher_ftype(const char *symbol_search_name, const lookup_name_info &lookup_name, completion_match_result *comp_match_res)
Definition symtab.h:398
domain_enum
Definition symtab.h:871