gdb/c-lang.h

   1 /* C language support definitions for GDB, the GNU debugger.
   2
   3    Copyright (C) 1992-2015 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
  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.  */
  37 enum c_string_type
  38   {
  39     /* An ordinary string: "value".  */
  40     C_STRING = 0,
  41     /* A wide string: L"value".  */
  42     C_WIDE_STRING = 1,
  43     /* A 16-bit Unicode string: u"value".  */
  44     C_STRING_16 = 2,
  45     /* A 32-bit Unicode string: U"value".  */
  46     C_STRING_32 = 3,
  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'.  */
  52     C_WIDE_CHAR = 5,
  53     /* A 16-bit Unicode char: u'v'.  */
  54     C_CHAR_16 = 6,
  55     /* A 32-bit Unicode char: U'v'.  */
  56     C_CHAR_32 = 7
  57   };
  58
  59 /* Defined in c-exp.y.  */
  60
  61 extern int c_parse (struct parser_state *);
  62
  63 extern void c_error (char *);
  64
  65 extern int c_parse_escape (const char **, struct obstack *);
  66
  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 *);
  71
  72 extern void c_print_typedef (struct type *,
  73                              struct symbol *,
  74                              struct ui_file *);
  75
  76 extern void c_val_print (struct type *, const gdb_byte *,
  77                          int, CORE_ADDR,
  78                          struct ui_file *, int,
  79                          const struct value *,
  80                          const struct value_print_options *);
  81
  82 extern void c_value_print (struct value *, struct ui_file *,
  83                            const struct value_print_options *);
  84
  85 /* These are in c-lang.c: */
  86
  87 extern struct value *evaluate_subexp_c (struct type *expect_type,
  88                                         struct expression *exp,
  89                                         int *pos,
  90                                         enum noside noside);
  91
  92 extern void c_printchar (int, struct type *, struct ui_file *);
  93
  94 extern void c_printstr (struct ui_file * stream,
  95                         struct type *elttype,
  96                         const gdb_byte *string,
  97                         unsigned int length,
  98                         const char *user_encoding,
  99                         int force_ellipses,
 100                         const struct value_print_options *options);
 101
 102 extern void c_language_arch_info (struct gdbarch *gdbarch,
 103                                   struct language_arch_info *lai);
 104
 105 extern const struct exp_descriptor exp_descriptor_c;
 106
 107 extern void c_emit_char (int c, struct type *type,
 108                          struct ui_file *stream, int quoter);
 109
 110 extern const struct op_print c_op_print_tab[];
 111
 112 /* These are in c-typeprint.c: */
 113
 114 extern void c_type_print_base (struct type *, struct ui_file *,
 115                                int, int, const struct type_print_options *);
 116
 117 /* These are in cp-valprint.c */
 118
 119 extern void cp_print_class_member (const gdb_byte *, struct type *,
 120                                    struct ui_file *, char *);
 121
 122 extern void cp_print_value_fields (struct type *, struct type *,
 123                                    const gdb_byte *, int, CORE_ADDR,
 124                                    struct ui_file *, int,
 125                                    const struct value *,
 126                                    const struct value_print_options *,
 127                                    struct type **, int);
 128
 129 extern void cp_print_value_fields_rtti (struct type *,
 130                                         const gdb_byte *, int, CORE_ADDR,
 131                                         struct ui_file *, int,
 132                                         const struct value *,
 133                                         const struct value_print_options *,
 134                                         struct type **, int);
 135
 136 extern int cp_is_vtbl_ptr_type (struct type *);
 137
 138 extern int cp_is_vtbl_member (struct type *);
 139
 140 /* These are in c-valprint.c.  */
 141
 142 extern int c_textual_element_type (struct type *, char);
 143
 144 /* Create a new instance of the C compiler and return it.  The new
 145    compiler is owned by the caller and must be freed using the destroy
 146    method.  This function never returns NULL, but rather throws an
 147    exception on failure.  This is suitable for use as the
 148    la_get_compile_instance language method.  */
 149
 150 extern struct compile_instance *c_get_compile_context (void);
 151
 152 /* This takes the user-supplied text and returns a newly malloc'd bit
 153    of code to compile.
 154
 155    This is used as the la_compute_program language method; see that
 156    for a description of the arguments.  */
 157
 158 extern char *c_compute_program (struct compile_instance *inst,
 159                                 const char *input,
 160                                 struct gdbarch *gdbarch,
 161                                 const struct block *expr_block,
 162                                 CORE_ADDR expr_pc);
 163
 164 #endif /* !defined (C_LANG_H) */