| 1 | /* C language support definitions for GDB, the GNU debugger. |
| 2 | |
| 3 | Copyright (C) 1992-2020 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 | |
| 24 | struct ui_file; |
| 25 | struct language_arch_info; |
| 26 | struct type_print_options; |
| 27 | struct parser_state; |
| 28 | |
| 29 | #include "value.h" |
| 30 | #include "macroexp.h" |
| 31 | #include "parser-defs.h" |
| 32 | #include "gdbsupport/enum-flags.h" |
| 33 | |
| 34 | |
| 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 |
| 37 | ways. */ |
| 38 | enum c_string_type_values : unsigned |
| 39 | { |
| 40 | /* An ordinary string: "value". */ |
| 41 | C_STRING = 0, |
| 42 | /* A wide string: L"value". */ |
| 43 | C_WIDE_STRING = 1, |
| 44 | /* A 16-bit Unicode string: u"value". */ |
| 45 | C_STRING_16 = 2, |
| 46 | /* A 32-bit Unicode string: U"value". */ |
| 47 | C_STRING_32 = 3, |
| 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 |
| 50 | value. */ |
| 51 | C_CHAR = 4, |
| 52 | /* A wide char: L'v'. */ |
| 53 | C_WIDE_CHAR = 5, |
| 54 | /* A 16-bit Unicode char: u'v'. */ |
| 55 | C_CHAR_16 = 6, |
| 56 | /* A 32-bit Unicode char: U'v'. */ |
| 57 | C_CHAR_32 = 7 |
| 58 | }; |
| 59 | |
| 60 | DEF_ENUM_FLAGS_TYPE (enum c_string_type_values, c_string_type); |
| 61 | |
| 62 | /* Defined in c-exp.y. */ |
| 63 | |
| 64 | extern int c_parse (struct parser_state *); |
| 65 | |
| 66 | extern int c_parse_escape (const char **, struct obstack *); |
| 67 | |
| 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 *); |
| 72 | |
| 73 | /* Print a type but allow the precise language to be specified. */ |
| 74 | |
| 75 | extern void c_print_type (struct type *, const char *, |
| 76 | struct ui_file *, int, int, |
| 77 | enum language, |
| 78 | const struct type_print_options *); |
| 79 | |
| 80 | extern 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 | |
| 86 | extern void c_value_print_inner (struct value *, struct ui_file *, int, |
| 87 | const struct value_print_options *); |
| 88 | |
| 89 | extern void c_value_print (struct value *, struct ui_file *, |
| 90 | const struct value_print_options *); |
| 91 | |
| 92 | /* These are in c-lang.c: */ |
| 93 | |
| 94 | extern struct value *evaluate_subexp_c (struct type *expect_type, |
| 95 | struct expression *exp, |
| 96 | int *pos, |
| 97 | enum noside noside); |
| 98 | |
| 99 | extern void c_printchar (int, struct type *, struct ui_file *); |
| 100 | |
| 101 | extern void c_printstr (struct ui_file * stream, |
| 102 | struct type *elttype, |
| 103 | const gdb_byte *string, |
| 104 | unsigned int length, |
| 105 | const char *user_encoding, |
| 106 | int force_ellipses, |
| 107 | const struct value_print_options *options); |
| 108 | |
| 109 | extern void c_language_arch_info (struct gdbarch *gdbarch, |
| 110 | struct language_arch_info *lai); |
| 111 | |
| 112 | extern const struct exp_descriptor exp_descriptor_c; |
| 113 | |
| 114 | extern void c_emit_char (int c, struct type *type, |
| 115 | struct ui_file *stream, int quoter); |
| 116 | |
| 117 | extern const struct op_print c_op_print_tab[]; |
| 118 | |
| 119 | extern gdb::unique_xmalloc_ptr<char> c_watch_location_expression |
| 120 | (struct type *type, CORE_ADDR addr); |
| 121 | |
| 122 | /* These are in c-typeprint.c: */ |
| 123 | |
| 124 | extern void c_type_print_base (struct type *, struct ui_file *, |
| 125 | int, int, const struct type_print_options *); |
| 126 | |
| 127 | /* These are in cp-valprint.c */ |
| 128 | |
| 129 | extern void cp_print_class_member (const gdb_byte *, struct type *, |
| 130 | struct ui_file *, const char *); |
| 131 | |
| 132 | extern void cp_print_value_fields (struct value *, |
| 133 | struct ui_file *, int, |
| 134 | const struct value_print_options *, |
| 135 | struct type **, int); |
| 136 | |
| 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. */ |
| 140 | |
| 141 | extern const char vtbl_ptr_name[]; |
| 142 | |
| 143 | extern int cp_is_vtbl_ptr_type (struct type *); |
| 144 | |
| 145 | extern int cp_is_vtbl_member (struct type *); |
| 146 | |
| 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. */ |
| 149 | |
| 150 | extern bool c_is_string_type_p (struct type *type); |
| 151 | |
| 152 | /* These are in c-valprint.c. */ |
| 153 | |
| 154 | extern int c_textual_element_type (struct type *, char); |
| 155 | |
| 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 | language_defn::get_compile_instance method. */ |
| 161 | |
| 162 | extern compile_instance *c_get_compile_context (void); |
| 163 | |
| 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 | language_defn::get_compile_instance method. */ |
| 169 | |
| 170 | extern compile_instance *cplus_get_compile_context (); |
| 171 | |
| 172 | /* This takes the user-supplied text and returns a new bit of code to |
| 173 | compile. |
| 174 | |
| 175 | This is used as the la_compute_program language method; see that |
| 176 | for a description of the arguments. */ |
| 177 | |
| 178 | extern std::string c_compute_program (compile_instance *inst, |
| 179 | const char *input, |
| 180 | struct gdbarch *gdbarch, |
| 181 | const struct block *expr_block, |
| 182 | CORE_ADDR expr_pc); |
| 183 | |
| 184 | /* This takes the user-supplied text and returns a new bit of code to compile. |
| 185 | |
| 186 | This is used as the la_compute_program language method; see that |
| 187 | for a description of the arguments. */ |
| 188 | |
| 189 | extern std::string cplus_compute_program (compile_instance *inst, |
| 190 | const char *input, |
| 191 | struct gdbarch *gdbarch, |
| 192 | const struct block *expr_block, |
| 193 | CORE_ADDR expr_pc); |
| 194 | |
| 195 | #endif /* !defined (C_LANG_H) */ |