1 /* C language support definitions for GDB, the GNU debugger.
3 Copyright (C) 1992-2021 Free Software Foundation, Inc.
5 This file is part of GDB.
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.
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.
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/>. */
21 #if !defined (C_LANG_H)
25 struct language_arch_info
;
26 struct type_print_options
;
31 #include "gdbsupport/enum-flags.h"
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
37 enum c_string_type_values
: unsigned
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
51 /* A wide char: L'v'. */
53 /* A 16-bit Unicode char: u'v'. */
55 /* A 32-bit Unicode char: U'v'. */
59 DEF_ENUM_FLAGS_TYPE (enum c_string_type_values
, c_string_type
);
61 /* Defined in c-exp.y. */
63 extern int c_parse (struct parser_state
*);
65 extern int c_parse_escape (const char **, struct obstack
*);
67 /* Defined in c-typeprint.c */
68 extern void c_print_type (struct type
*, const char *,
69 struct ui_file
*, int, int,
70 const struct type_print_options
*);
72 /* Print a type but allow the precise language to be specified. */
74 extern void c_print_type (struct type
*, const char *,
75 struct ui_file
*, int, int,
77 const struct type_print_options
*);
79 extern void c_print_typedef (struct type
*,
83 /* Implement la_value_print_inner for the C family of languages. */
85 extern void c_value_print_inner (struct value
*, struct ui_file
*, int,
86 const struct value_print_options
*);
88 extern void c_value_print (struct value
*, struct ui_file
*,
89 const struct value_print_options
*);
91 /* These are in c-lang.c: */
93 extern struct value
*evaluate_subexp_c (struct type
*expect_type
,
94 struct expression
*exp
,
98 extern void c_printstr (struct ui_file
* stream
,
100 const gdb_byte
*string
,
102 const char *user_encoding
,
104 const struct value_print_options
*options
);
106 extern void c_language_arch_info (struct gdbarch
*gdbarch
,
107 struct language_arch_info
*lai
);
109 extern const struct exp_descriptor exp_descriptor_c
;
111 extern void c_emit_char (int c
, struct type
*type
,
112 struct ui_file
*stream
, int quoter
);
114 extern const struct op_print c_op_print_tab
[];
116 /* These are in c-typeprint.c: */
118 extern void c_type_print_base (struct type
*, struct ui_file
*,
119 int, int, const struct type_print_options
*);
121 /* These are in cp-valprint.c */
123 extern void cp_print_class_member (const gdb_byte
*, struct type
*,
124 struct ui_file
*, const char *);
126 extern void cp_print_value_fields (struct value
*,
127 struct ui_file
*, int,
128 const struct value_print_options
*,
129 struct type
**, int);
131 /* gcc-2.6 or later (when using -fvtable-thunks)
132 emits a unique named type for a vtable entry.
133 Some gdb code depends on that specific name. */
135 extern const char vtbl_ptr_name
[];
137 extern int cp_is_vtbl_ptr_type (struct type
*);
139 extern int cp_is_vtbl_member (struct type
*);
141 /* Return true if TYPE is a string type. Unlike DEFAULT_IS_STRING_TYPE_P
142 this will detect arrays of characters not just TYPE_CODE_STRING. */
144 extern bool c_is_string_type_p (struct type
*type
);
146 /* These are in c-valprint.c. */
148 extern int c_textual_element_type (struct type
*, char);
150 /* Create a new instance of the C compiler and return it. The new
151 compiler is owned by the caller and must be freed using the destroy
152 method. This function never returns NULL, but rather throws an
153 exception on failure. This is suitable for use as the
154 language_defn::get_compile_instance method. */
156 extern compile_instance
*c_get_compile_context (void);
158 /* Create a new instance of the C++ compiler and return it. The new
159 compiler is owned by the caller and must be freed using the destroy
160 method. This function never returns NULL, but rather throws an
161 exception on failure. This is suitable for use as the
162 language_defn::get_compile_instance method. */
164 extern compile_instance
*cplus_get_compile_context ();
166 /* This takes the user-supplied text and returns a new bit of code to
169 This is used as the compute_program language method; see that
170 for a description of the arguments. */
172 extern std::string
c_compute_program (compile_instance
*inst
,
174 struct gdbarch
*gdbarch
,
175 const struct block
*expr_block
,
178 /* This takes the user-supplied text and returns a new bit of code to compile.
180 This is used as the compute_program language method; see that
181 for a description of the arguments. */
183 extern std::string
cplus_compute_program (compile_instance
*inst
,
185 struct gdbarch
*gdbarch
,
186 const struct block
*expr_block
,
189 #endif /* !defined (C_LANG_H) */