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/tmp/gdb-13.1/gdb/c-lang.h
Go to the documentation of this file.
1/* C language support definitions for GDB, the GNU debugger.
2
3 Copyright (C) 1992-2023 Free Software Foundation, Inc.
4
5 This file is part of GDB.
6
7 This program is free software; you can redistribute it and/or modify
8 it under the terms of the GNU General Public License as published by
9 the Free Software Foundation; either version 3 of the License, or
10 (at your option) any later version.
11
12 This program is distributed in the hope that it will be useful,
13 but WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 GNU General Public License for more details.
16
17 You should have received a copy of the GNU General Public License
18 along with this program. If not, see <http://www.gnu.org/licenses/>. */
19
20
21#if !defined (C_LANG_H)
22#define C_LANG_H 1
23
24struct ui_file;
27struct parser_state;
28
29#include "value.h"
30#include "macroexp.h"
31#include "gdbsupport/enum-flags.h"
32
33
34/* The various kinds of C string and character. Note that these
35 values are chosen so that they may be or'd together in certain
36 ways. */
37enum c_string_type_values : unsigned
38 {
39 /* An ordinary string: "value". */
41 /* A wide string: L"value". */
43 /* A 16-bit Unicode string: u"value". */
45 /* A 32-bit Unicode string: U"value". */
47 /* An ordinary char: 'v'. This can also be or'd with one of the
48 above to form the corresponding CHAR value from a STRING
49 value. */
50 C_CHAR = 4,
51 /* A wide char: L'v'. */
53 /* A 16-bit Unicode char: u'v'. */
55 /* A 32-bit Unicode char: U'v'. */
56 C_CHAR_32 = 7
57 };
58
60
61/* Defined in c-exp.y. */
62
63extern int c_parse (struct parser_state *);
64
65extern int c_parse_escape (const char **, struct obstack *);
66
67/* Defined in c-typeprint.c */
68
69/* Print TYPE to STREAM using syntax appropriate for LANGUAGE, a
70 C-like language. The other parameters are like
71 type_language_defn::print_type's. */
72
73extern void c_print_type (struct type *type,
74 const char *varstring,
75 struct ui_file *stream,
76 int show, int level,
77 enum language language,
78 const struct type_print_options *flags);
79
80extern void c_print_typedef (struct type *,
81 struct symbol *,
82 struct ui_file *);
83
84/* Implement la_value_print_inner for the C family of languages. */
85
86extern void c_value_print_inner (struct value *, struct ui_file *, int,
87 const struct value_print_options *);
88
89extern void c_value_print (struct value *, struct ui_file *,
90 const struct value_print_options *);
91
92/* These are in c-lang.c: */
93
94extern void c_printchar (int, struct type *, struct ui_file *);
95
96extern void c_language_arch_info (struct gdbarch *gdbarch,
97 struct language_arch_info *lai);
98
99/* These are in c-typeprint.c: */
100
101extern void c_type_print_base (struct type *, struct ui_file *,
102 int, int, const struct type_print_options *);
103
104/* These are in cp-valprint.c */
105
106extern void cp_print_class_member (const gdb_byte *, struct type *,
107 struct ui_file *, const char *);
108
109extern void cp_print_value_fields (struct value *,
110 struct ui_file *, int,
111 const struct value_print_options *,
112 struct type **, int);
113
114/* gcc-2.6 or later (when using -fvtable-thunks)
115 emits a unique named type for a vtable entry.
116 Some gdb code depends on that specific name. */
117
118extern const char vtbl_ptr_name[];
119
120extern int cp_is_vtbl_ptr_type (struct type *);
121
122extern int cp_is_vtbl_member (struct type *);
123
124/* Return true if TYPE is a string type. Unlike DEFAULT_IS_STRING_TYPE_P
125 this will detect arrays of characters not just TYPE_CODE_STRING. */
126
127extern bool c_is_string_type_p (struct type *type);
128
129/* These are in c-valprint.c. */
130
131extern int c_textual_element_type (struct type *, char);
132
133/* Create a new instance of the C compiler and return it. This
134 function never returns NULL, but rather throws an exception on
135 failure. This is suitable for use as the
136 language_defn::get_compile_instance method. */
137
138extern std::unique_ptr<compile_instance> c_get_compile_context ();
139
140/* Create a new instance of the C++ compiler and return it. This
141 function never returns NULL, but rather throws an exception on
142 failure. This is suitable for use as the
143 language_defn::get_compile_instance method. */
144
145extern std::unique_ptr<compile_instance> cplus_get_compile_context ();
146
147/* This takes the user-supplied text and returns a new bit of code to
148 compile.
149
150 This is used as the compute_program language method; see that
151 for a description of the arguments. */
152
153extern std::string c_compute_program (compile_instance *inst,
154 const char *input,
155 struct gdbarch *gdbarch,
156 const struct block *expr_block,
157 CORE_ADDR expr_pc);
158
159/* This takes the user-supplied text and returns a new bit of code to compile.
160
161 This is used as the compute_program language method; see that
162 for a description of the arguments. */
163
164extern std::string cplus_compute_program (compile_instance *inst,
165 const char *input,
166 struct gdbarch *gdbarch,
167 const struct block *expr_block,
168 CORE_ADDR expr_pc);
169
170/* Return the canonical form of the C symbol NAME. If NAME is already
171 canonical, return nullptr. */
172
173extern gdb::unique_xmalloc_ptr<char> c_canonicalize_name (const char *name);
174
175#endif /* !defined (C_LANG_H) */
const char *const name
Definition: aarch64-tdep.c:67
bool c_is_string_type_p(struct type *type)
Definition: c-lang.c:695
void c_print_typedef(struct type *, struct symbol *, struct ui_file *)
Definition: c-typeprint.c:187
void c_language_arch_info(struct gdbarch *gdbarch, struct language_arch_info *lai)
Definition: c-lang.c:745
int c_parse_escape(const char **, struct obstack *)
Definition: c-exp.c:4855
std::string cplus_compute_program(compile_instance *inst, const char *input, struct gdbarch *gdbarch, const struct block *expr_block, CORE_ADDR expr_pc)
void c_type_print_base(struct type *, struct ui_file *, int, int, const struct type_print_options *)
Definition: c-typeprint.c:1709
void cp_print_class_member(const gdb_byte *, struct type *, struct ui_file *, const char *)
Definition: cp-valprint.c:669
std::unique_ptr< compile_instance > cplus_get_compile_context()
c_string_type_values
Definition: c-lang.h:38
@ C_WIDE_STRING
Definition: c-lang.h:42
@ C_STRING_16
Definition: c-lang.h:44
@ C_CHAR_16
Definition: c-lang.h:54
@ C_STRING
Definition: c-lang.h:40
@ C_WIDE_CHAR
Definition: c-lang.h:52
@ C_CHAR_32
Definition: c-lang.h:56
@ C_CHAR
Definition: c-lang.h:50
@ C_STRING_32
Definition: c-lang.h:46
void c_printchar(int, struct type *, struct ui_file *)
gdb::unique_xmalloc_ptr< char > c_canonicalize_name(const char *name)
Definition: c-lang.c:733
DEF_ENUM_FLAGS_TYPE(enum c_string_type_values, c_string_type)
std::string c_compute_program(compile_instance *inst, const char *input, struct gdbarch *gdbarch, const struct block *expr_block, CORE_ADDR expr_pc)
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)
Definition: c-typeprint.c:169
int c_parse(struct parser_state *)
Definition: c-exp.c:6064
int c_textual_element_type(struct type *, char)
Definition: c-valprint.c:57
void cp_print_value_fields(struct value *, struct ui_file *, int, const struct value_print_options *, struct type **, int)
Definition: cp-valprint.c:123
void c_value_print_inner(struct value *, struct ui_file *, int, const struct value_print_options *)
Definition: c-valprint.c:421
int cp_is_vtbl_member(struct type *)
Definition: cp-valprint.c:75
void c_value_print(struct value *, struct ui_file *, const struct value_print_options *)
Definition: c-valprint.c:471
int cp_is_vtbl_ptr_type(struct type *)
Definition: cp-valprint.c:64
std::unique_ptr< compile_instance > c_get_compile_context()
const char vtbl_ptr_name[]
Definition: cp-valprint.c:58
language
Definition: defs.h:211
mach_port_t kern_return_t mach_port_t mach_msg_type_name_t msgportsPoly mach_port_t kern_return_t pid_t pid mach_port_t kern_return_t mach_port_t task mach_port_t kern_return_t int flags
Definition: gnu-nat.c:1862
Definition: block.h:109
Definition: gdbtypes.h:922
Definition: value.c:181