1 /* C language support definitions for GDB, the GNU debugger. 2 3 Copyright (C) 1992-2016 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 "common/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 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 void c_yyerror (char *); 67 68 extern int c_parse_escape (const char **, struct obstack *); 69 70 /* Defined in c-typeprint.c */ 71 extern void c_print_type (struct type *, const char *, 72 struct ui_file *, int, int, 73 const struct type_print_options *); 74 75 extern void c_print_typedef (struct type *, 76 struct symbol *, 77 struct ui_file *); 78 79 extern void c_val_print (struct type *, const gdb_byte *, 80 int, CORE_ADDR, 81 struct ui_file *, int, 82 const struct value *, 83 const struct value_print_options *); 84 85 extern void c_value_print (struct value *, struct ui_file *, 86 const struct value_print_options *); 87 88 /* These are in c-lang.c: */ 89 90 extern struct value *evaluate_subexp_c (struct type *expect_type, 91 struct expression *exp, 92 int *pos, 93 enum noside noside); 94 95 extern void c_printchar (int, struct type *, struct ui_file *); 96 97 extern void c_printstr (struct ui_file * stream, 98 struct type *elttype, 99 const gdb_byte *string, 100 unsigned int length, 101 const char *user_encoding, 102 int force_ellipses, 103 const struct value_print_options *options); 104 105 extern void c_language_arch_info (struct gdbarch *gdbarch, 106 struct language_arch_info *lai); 107 108 extern const struct exp_descriptor exp_descriptor_c; 109 110 extern void c_emit_char (int c, struct type *type, 111 struct ui_file *stream, int quoter); 112 113 extern const struct op_print c_op_print_tab[]; 114 115 /* These are in c-typeprint.c: */ 116 117 extern void c_type_print_base (struct type *, struct ui_file *, 118 int, int, const struct type_print_options *); 119 120 /* These are in cp-valprint.c */ 121 122 extern void cp_print_class_member (const gdb_byte *, struct type *, 123 struct ui_file *, char *); 124 125 extern void cp_print_value_fields (struct type *, struct type *, 126 const gdb_byte *, LONGEST, CORE_ADDR, 127 struct ui_file *, int, 128 const struct value *, 129 const struct value_print_options *, 130 struct type **, int); 131 132 extern void cp_print_value_fields_rtti (struct type *, 133 const gdb_byte *, LONGEST, CORE_ADDR, 134 struct ui_file *, int, 135 const struct value *, 136 const struct value_print_options *, 137 struct type **, int); 138 139 extern int cp_is_vtbl_ptr_type (struct type *); 140 141 extern int cp_is_vtbl_member (struct type *); 142 143 /* These are in c-valprint.c. */ 144 145 extern int c_textual_element_type (struct type *, char); 146 147 /* Create a new instance of the C compiler and return it. The new 148 compiler is owned by the caller and must be freed using the destroy 149 method. This function never returns NULL, but rather throws an 150 exception on failure. This is suitable for use as the 151 la_get_compile_instance language method. */ 152 153 extern struct compile_instance *c_get_compile_context (void); 154 155 /* This takes the user-supplied text and returns a newly malloc'd bit 156 of code to compile. 157 158 This is used as the la_compute_program language method; see that 159 for a description of the arguments. */ 160 161 extern char *c_compute_program (struct compile_instance *inst, 162 const char *input, 163 struct gdbarch *gdbarch, 164 const struct block *expr_block, 165 CORE_ADDR expr_pc); 166 167 #endif /* !defined (C_LANG_H) */ 168