1 /* C language support definitions for GDB, the GNU debugger.
3 Copyright (C) 1992-2020 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 "parser-defs.h"
32 #include "gdbsupport/enum-flags.h"
35 /* The various kinds of C string and character. Note that these
36 values are chosen so that they may be or'd together in certain
38 enum c_string_type_values
: unsigned
40 /* An ordinary string: "value". */
42 /* A wide string: L"value". */
44 /* A 16-bit Unicode string: u"value". */
46 /* A 32-bit Unicode string: U"value". */
48 /* An ordinary char: 'v'. This can also be or'd with one of the
49 above to form the corresponding CHAR value from a STRING
52 /* A wide char: L'v'. */
54 /* A 16-bit Unicode char: u'v'. */
56 /* A 32-bit Unicode char: U'v'. */
60 DEF_ENUM_FLAGS_TYPE (enum c_string_type_values
, c_string_type
);
62 /* Defined in c-exp.y. */
64 extern int c_parse (struct parser_state
*);
66 extern int c_parse_escape (const char **, struct obstack
*);
68 /* Defined in c-typeprint.c */
69 extern void c_print_type (struct type
*, const char *,
70 struct ui_file
*, int, int,
71 const struct type_print_options
*);
73 /* Print a type but allow the precise language to be specified. */
75 extern void c_print_type (struct type
*, const char *,
76 struct ui_file
*, int, int,
78 const struct type_print_options
*);
80 extern void c_print_typedef (struct type
*,
84 /* Implement la_value_print_inner for the C family of languages. */
86 extern void c_value_print_inner (struct value
*, struct ui_file
*, int,
87 const struct value_print_options
*);
89 extern void c_value_print (struct value
*, struct ui_file
*,
90 const struct value_print_options
*);
92 /* These are in c-lang.c: */
94 extern struct value
*evaluate_subexp_c (struct type
*expect_type
,
95 struct expression
*exp
,
99 extern void c_printchar (int, struct type
*, struct ui_file
*);
101 extern void c_printstr (struct ui_file
* stream
,
102 struct type
*elttype
,
103 const gdb_byte
*string
,
105 const char *user_encoding
,
107 const struct value_print_options
*options
);
109 extern void c_language_arch_info (struct gdbarch
*gdbarch
,
110 struct language_arch_info
*lai
);
112 extern const struct exp_descriptor exp_descriptor_c
;
114 extern void c_emit_char (int c
, struct type
*type
,
115 struct ui_file
*stream
, int quoter
);
117 extern const struct op_print c_op_print_tab
[];
119 extern gdb::unique_xmalloc_ptr
<char> c_watch_location_expression
120 (struct type
*type
, CORE_ADDR addr
);
122 /* These are in c-typeprint.c: */
124 extern void c_type_print_base (struct type
*, struct ui_file
*,
125 int, int, const struct type_print_options
*);
127 /* These are in cp-valprint.c */
129 extern void cp_print_class_member (const gdb_byte
*, struct type
*,
130 struct ui_file
*, const char *);
132 extern void cp_print_value_fields (struct value
*,
133 struct ui_file
*, int,
134 const struct value_print_options
*,
135 struct type
**, int);
137 /* gcc-2.6 or later (when using -fvtable-thunks)
138 emits a unique named type for a vtable entry.
139 Some gdb code depends on that specific name. */
141 extern const char vtbl_ptr_name
[];
143 extern int cp_is_vtbl_ptr_type (struct type
*);
145 extern int cp_is_vtbl_member (struct type
*);
147 /* Return true if TYPE is a string type. Unlike DEFAULT_IS_STRING_TYPE_P
148 this will detect arrays of characters not just TYPE_CODE_STRING. */
150 extern bool c_is_string_type_p (struct type
*type
);
152 /* These are in c-valprint.c. */
154 extern int c_textual_element_type (struct type
*, char);
156 /* Create a new instance of the C compiler and return it. The new
157 compiler is owned by the caller and must be freed using the destroy
158 method. This function never returns NULL, but rather throws an
159 exception on failure. This is suitable for use as the
160 la_get_compile_instance language method. */
162 extern compile_instance
*c_get_compile_context (void);
164 /* Create a new instance of the C++ compiler and return it. The new
165 compiler is owned by the caller and must be freed using the destroy
166 method. This function never returns NULL, but rather throws an
167 exception on failure. This is suitable for use as the
168 la_get_compile_instance language method. */
170 extern compile_instance
*cplus_get_compile_context ();
172 /* This takes the user-supplied text and returns a new bit of code to
175 This is used as the la_compute_program language method; see that
176 for a description of the arguments. */
178 extern std::string
c_compute_program (compile_instance
*inst
,
180 struct gdbarch
*gdbarch
,
181 const struct block
*expr_block
,
184 /* This takes the user-supplied text and returns a new bit of code to compile.
186 This is used as the la_compute_program language method; see that
187 for a description of the arguments. */
189 extern std::string
cplus_compute_program (compile_instance
*inst
,
191 struct gdbarch
*gdbarch
,
192 const struct block
*expr_block
,
195 #endif /* !defined (C_LANG_H) */