gdb/cp-support.h

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