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 2 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, write to the Free Software
  21    Foundation, Inc., 51 Franklin Street, Fifth Floor,
  22    Boston, MA 02110-1301, USA.  */
  23
  24 #ifndef CP_SUPPORT_H
  25 #define CP_SUPPORT_H
  26
  27 /* We need this for 'domain_enum', alas...  */
  28
  29 #include "symtab.h"
  30
  31 /* Opaque declarations.  */
  32
  33 struct symbol;
  34 struct obstack;
  35 struct block;
  36 struct objfile;
  37 struct type;
  38 struct demangle_component;
  39
  40 /* This struct is designed to store data from using directives.  It
  41    says that names from namespace INNER should be visible within
  42    namespace OUTER.  OUTER should always be a strict initial substring
  43    of INNER.  These form a linked list; NEXT is the next element of
  44    the list.  */
  45
  46 struct using_direct
  47 {
  48   char *inner;
  49   char *outer;
  50   struct using_direct *next;
  51 };
  52
  53
  54 /* Functions from cp-support.c.  */
  55
  56 extern char *cp_canonicalize_string (const char *string);
  57
  58 extern char *cp_class_name_from_physname (const char *physname);
  59
  60 extern char *method_name_from_physname (const char *physname);
  61
  62 extern unsigned int cp_find_first_component (const char *name);
  63
  64 extern unsigned int cp_entire_prefix_len (const char *name);
  65
  66 extern char *cp_func_name (const char *full_name);
  67
  68 extern struct symbol **make_symbol_overload_list (const char *,
  69                                                   const char *);
  70
  71 extern struct type *cp_lookup_rtti_type (const char *name,
  72                                          struct block *block);
  73
  74 /* Functions/variables from cp-namespace.c.  */
  75
  76 extern unsigned char processing_has_namespace_info;
  77
  78 extern const char *processing_current_prefix;
  79
  80 extern int cp_is_anonymous (const char *namespace);
  81
  82 extern void cp_add_using_directive (const char *name,
  83                                     unsigned int outer_length,
  84                                     unsigned int inner_length);
  85
  86 extern void cp_initialize_namespace (void);
  87
  88 extern void cp_finalize_namespace (struct block *static_block,
  89                                    struct obstack *obstack);
  90
  91 extern void cp_set_block_scope (const struct symbol *symbol,
  92                                 struct block *block,
  93                                 struct obstack *obstack);
  94
  95 extern void cp_scan_for_anonymous_namespaces (const struct symbol *symbol);
  96
  97 extern struct symbol *cp_lookup_symbol_nonlocal (const char *name,
  98                                                  const char *linkage_name,
  99                                                  const struct block *block,
 100                                                  const domain_enum domain,
 101                                                  struct symtab **symtab);
 102
 103 extern struct symbol *cp_lookup_symbol_namespace (const char *namespace,
 104                                                   const char *name,
 105                                                   const char *linkage_name,
 106                                                   const struct block *block,
 107                                                   const domain_enum domain,
 108                                                   struct symtab **symtab);
 109
 110 extern struct type *cp_lookup_nested_type (struct type *parent_type,
 111                                            const char *nested_name,
 112                                            const struct block *block);
 113
 114 extern void cp_check_possible_namespace_symbols (const char *name,
 115                                                  struct objfile *objfile);
 116
 117 struct type *cp_lookup_transparent_type (const char *name);
 118
 119 /* Functions from cp-names.y.  */
 120
 121 extern struct demangle_component *cp_demangled_name_to_comp
 122   (const char *demangled_name, void **memory_p, const char **errmsg);
 123
 124 extern char *cp_comp_to_string (struct demangle_component *result,
 125                                 int estimated_len);
 126
 127 /* The list of "maint cplus" commands.  */
 128
 129 extern struct cmd_list_element *maint_cplus_cmd_list;
 130
 131 /* Pointer to member function.  Depends on compiler implementation.  */
 132
 133 #define METHOD_PTR_IS_VIRTUAL(ADDR)  ((ADDR) & 0x80000000)
 134 #define METHOD_PTR_FROM_VOFFSET(OFFSET) (0x80000000 + (OFFSET))
 135 #define METHOD_PTR_TO_VOFFSET(ADDR) (~0x80000000 & (ADDR))
 136
 137 #endif /* CP_SUPPORT_H */