gdb/cp-support.h

   1 /* Helper routines for C++ support in GDB.
   2    Copyright (C) 2002, 2003, 2004, 2005, 2007, 2008
   3    Free Software Foundation, Inc.
   4
   5    Contributed by MontaVista Software.
   6    Namespace support contributed by David Carlton.
   7
   8    This file is part of GDB.
   9
  10    This program is free software; you can redistribute it and/or modify
  11    it under the terms of the GNU General Public License as published by
  12    the Free Software Foundation; either version 3 of the License, or
  13    (at your option) any later version.
  14
  15    This program is distributed in the hope that it will be useful,
  16    but WITHOUT ANY WARRANTY; without even the implied warranty of
  17    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  18    GNU General Public License for more details.
  19
  20    You should have received a copy of the GNU General Public License
  21    along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
  22
  23 #ifndef CP_SUPPORT_H
  24 #define CP_SUPPORT_H
  25
  26 /* We need this for 'domain_enum', alas...  */
  27
  28 #include "symtab.h"
  29
  30 /* Opaque declarations.  */
  31
  32 struct symbol;
  33 struct obstack;
  34 struct block;
  35 struct objfile;
  36 struct type;
  37 struct demangle_component;
  38
  39 /* This struct is designed to store data from using directives.  It
  40    says that names from namespace INNER should be visible within
  41    namespace OUTER.  OUTER should always be a strict initial substring
  42    of INNER.  These form a linked list; NEXT is the next element of
  43    the list.  */
  44
  45 struct using_direct
  46 {
  47   char *inner;
  48   char *outer;
  49   struct using_direct *next;
  50 };
  51
  52
  53 /* Functions from cp-support.c.  */
  54
  55 extern char *cp_canonicalize_string (const char *string);
  56
  57 extern char *cp_class_name_from_physname (const char *physname);
  58
  59 extern char *method_name_from_physname (const char *physname);
  60
  61 extern unsigned int cp_find_first_component (const char *name);
  62
  63 extern unsigned int cp_entire_prefix_len (const char *name);
  64
  65 extern char *cp_func_name (const char *full_name);
  66
  67 extern struct symbol **make_symbol_overload_list (const char *,
  68                                                   const char *);
  69
  70 extern struct type *cp_lookup_rtti_type (const char *name,
  71                                          struct block *block);
  72
  73 /* Functions/variables from cp-namespace.c.  */
  74
  75 extern unsigned char processing_has_namespace_info;
  76
  77 extern const char *processing_current_prefix;
  78
  79 extern int cp_is_anonymous (const char *namespace);
  80
  81 extern void cp_add_using_directive (const char *name,
  82                                     unsigned int outer_length,
  83                                     unsigned int inner_length);
  84
  85 extern void cp_initialize_namespace (void);
  86
  87 extern void cp_finalize_namespace (struct block *static_block,
  88                                    struct obstack *obstack);
  89
  90 extern void cp_set_block_scope (const struct symbol *symbol,
  91                                 struct block *block,
  92                                 struct obstack *obstack);
  93
  94 extern void cp_scan_for_anonymous_namespaces (const struct symbol *symbol);
  95
  96 extern struct symbol *cp_lookup_symbol_nonlocal (const char *name,
  97                                                  const char *linkage_name,
  98                                                  const struct block *block,
  99                                                  const domain_enum domain,
 100                                                  struct symtab **symtab);
 101
 102 extern struct symbol *cp_lookup_symbol_namespace (const char *namespace,
 103                                                   const char *name,
 104                                                   const char *linkage_name,
 105                                                   const struct block *block,
 106                                                   const domain_enum domain,
 107                                                   struct symtab **symtab);
 108
 109 extern struct type *cp_lookup_nested_type (struct type *parent_type,
 110                                            const char *nested_name,
 111                                            const struct block *block);
 112
 113 extern void cp_check_possible_namespace_symbols (const char *name,
 114                                                  struct objfile *objfile);
 115
 116 struct type *cp_lookup_transparent_type (const char *name);
 117
 118 /* Functions from cp-name-parser.y.  */
 119
 120 extern struct demangle_component *cp_demangled_name_to_comp
 121   (const char *demangled_name, const char **errmsg);
 122
 123 extern char *cp_comp_to_string (struct demangle_component *result,
 124                                 int estimated_len);
 125
 126 /* The list of "maint cplus" commands.  */
 127
 128 extern struct cmd_list_element *maint_cplus_cmd_list;
 129
 130 /* Pointer to member function.  Depends on compiler implementation.  */
 131
 132 #define METHOD_PTR_IS_VIRTUAL(ADDR)  ((ADDR) & 0x80000000)
 133 #define METHOD_PTR_FROM_VOFFSET(OFFSET) (0x80000000 + (OFFSET))
 134 #define METHOD_PTR_TO_VOFFSET(ADDR) (~0x80000000 & (ADDR))
 135
 136 #endif /* CP_SUPPORT_H */