| 1 | /* Helper routines for C++ support in GDB. |
| 2 | Copyright (C) 2002-2014 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 | #include "vec.h" |
| 29 | #include "gdb_vecs.h" |
| 30 | #include "gdb_obstack.h" |
| 31 | |
| 32 | /* Opaque declarations. */ |
| 33 | |
| 34 | struct symbol; |
| 35 | struct block; |
| 36 | struct objfile; |
| 37 | struct type; |
| 38 | struct demangle_component; |
| 39 | |
| 40 | /* A string representing the name of the anonymous namespace used in GDB. */ |
| 41 | |
| 42 | #define CP_ANONYMOUS_NAMESPACE_STR "(anonymous namespace)" |
| 43 | |
| 44 | /* The length of the string representing the anonymous namespace. */ |
| 45 | |
| 46 | #define CP_ANONYMOUS_NAMESPACE_LEN 21 |
| 47 | |
| 48 | /* The result of parsing a name. */ |
| 49 | |
| 50 | struct demangle_parse_info |
| 51 | { |
| 52 | /* The memory used during the parse. */ |
| 53 | struct demangle_info *info; |
| 54 | |
| 55 | /* The result of the parse. */ |
| 56 | struct demangle_component *tree; |
| 57 | |
| 58 | /* Any temporary memory used during typedef replacement. */ |
| 59 | struct obstack obstack; |
| 60 | }; |
| 61 | |
| 62 | /* This struct is designed to store data from using directives. It |
| 63 | says that names from namespace IMPORT_SRC should be visible within |
| 64 | namespace IMPORT_DEST. These form a linked list; NEXT is the next |
| 65 | element of the list. If the imported namespace or declaration has |
| 66 | been aliased within the IMPORT_DEST namespace, ALIAS is set to a |
| 67 | string representing the alias. Otherwise, ALIAS is NULL. |
| 68 | DECLARATION is the name of the imported declaration, if this import |
| 69 | statement represents one. Otherwise DECLARATION is NULL and this |
| 70 | import statement represents a namespace. |
| 71 | |
| 72 | C++: using namespace A; |
| 73 | Fortran: use A |
| 74 | import_src = "A" |
| 75 | import_dest = local scope of the import statement even such as "" |
| 76 | alias = NULL |
| 77 | declaration = NULL |
| 78 | excludes = NULL |
| 79 | |
| 80 | C++: using A::x; |
| 81 | Fortran: use A, only: x |
| 82 | import_src = "A" |
| 83 | import_dest = local scope of the import statement even such as "" |
| 84 | alias = NULL |
| 85 | declaration = "x" |
| 86 | excludes = NULL |
| 87 | The declaration will get imported as import_dest::x. |
| 88 | |
| 89 | C++ has no way to import all names except those listed ones. |
| 90 | Fortran: use A, localname => x |
| 91 | import_src = "A" |
| 92 | import_dest = local scope of the import statement even such as "" |
| 93 | alias = "localname" |
| 94 | declaration = "x" |
| 95 | excludes = NULL |
| 96 | + |
| 97 | import_src = "A" |
| 98 | import_dest = local scope of the import statement even such as "" |
| 99 | alias = NULL |
| 100 | declaration = NULL |
| 101 | excludes = ["x"] |
| 102 | All the entries of A get imported except of "x". "x" gets imported as |
| 103 | "localname". "x" is not defined as a local name by this statement. |
| 104 | |
| 105 | C++: namespace LOCALNS = A; |
| 106 | Fortran has no way to address non-local namespace/module. |
| 107 | import_src = "A" |
| 108 | import_dest = local scope of the import statement even such as "" |
| 109 | alias = "LOCALNS" |
| 110 | declaration = NULL |
| 111 | excludes = NULL |
| 112 | The namespace will get imported as the import_dest::LOCALNS |
| 113 | namespace. |
| 114 | |
| 115 | C++ cannot express it, it would be something like: using localname |
| 116 | = A::x; |
| 117 | Fortran: use A, only localname => x |
| 118 | import_src = "A" |
| 119 | import_dest = local scope of the import statement even such as "" |
| 120 | alias = "localname" |
| 121 | declaration = "x" |
| 122 | excludes = NULL |
| 123 | The declaration will get imported as localname or |
| 124 | `import_dest`localname. */ |
| 125 | |
| 126 | struct using_direct |
| 127 | { |
| 128 | const char *import_src; |
| 129 | const char *import_dest; |
| 130 | |
| 131 | const char *alias; |
| 132 | const char *declaration; |
| 133 | |
| 134 | struct using_direct *next; |
| 135 | |
| 136 | /* Used during import search to temporarily mark this node as |
| 137 | searched. */ |
| 138 | int searched; |
| 139 | |
| 140 | /* USING_DIRECT has variable allocation size according to the number of |
| 141 | EXCLUDES entries, the last entry is NULL. */ |
| 142 | const char *excludes[1]; |
| 143 | }; |
| 144 | |
| 145 | |
| 146 | /* Functions from cp-support.c. */ |
| 147 | |
| 148 | extern char *cp_canonicalize_string (const char *string); |
| 149 | |
| 150 | extern char *cp_canonicalize_string_no_typedefs (const char *string); |
| 151 | |
| 152 | typedef const char *(canonicalization_ftype) (struct type *, void *); |
| 153 | |
| 154 | extern char *cp_canonicalize_string_full (const char *string, |
| 155 | canonicalization_ftype *finder, |
| 156 | void *data); |
| 157 | |
| 158 | extern char *cp_class_name_from_physname (const char *physname); |
| 159 | |
| 160 | extern char *method_name_from_physname (const char *physname); |
| 161 | |
| 162 | extern unsigned int cp_find_first_component (const char *name); |
| 163 | |
| 164 | extern unsigned int cp_entire_prefix_len (const char *name); |
| 165 | |
| 166 | extern char *cp_func_name (const char *full_name); |
| 167 | |
| 168 | extern char *cp_remove_params (const char *demangled_name); |
| 169 | |
| 170 | extern struct symbol **make_symbol_overload_list (const char *, |
| 171 | const char *); |
| 172 | |
| 173 | extern struct symbol **make_symbol_overload_list_adl (struct type **arg_types, |
| 174 | int nargs, |
| 175 | const char *func_name); |
| 176 | |
| 177 | extern struct type *cp_lookup_rtti_type (const char *name, |
| 178 | struct block *block); |
| 179 | |
| 180 | /* Functions/variables from cp-namespace.c. */ |
| 181 | |
| 182 | extern int cp_is_anonymous (const char *namespace); |
| 183 | |
| 184 | extern void cp_add_using_directive (const char *dest, |
| 185 | const char *src, |
| 186 | const char *alias, |
| 187 | const char *declaration, |
| 188 | VEC (const_char_ptr) *excludes, |
| 189 | int copy_names, |
| 190 | struct obstack *obstack); |
| 191 | |
| 192 | extern void cp_scan_for_anonymous_namespaces (const struct symbol *symbol, |
| 193 | struct objfile *objfile); |
| 194 | |
| 195 | extern struct symbol *cp_lookup_symbol_nonlocal (const char *name, |
| 196 | const struct block *block, |
| 197 | const domain_enum domain); |
| 198 | |
| 199 | extern struct symbol *cp_lookup_symbol_namespace (const char *namespace, |
| 200 | const char *name, |
| 201 | const struct block *block, |
| 202 | const domain_enum domain); |
| 203 | |
| 204 | extern struct symbol *cp_lookup_symbol_imports (const char *scope, |
| 205 | const char *name, |
| 206 | const struct block *block, |
| 207 | const domain_enum domain, |
| 208 | const int declaration_only, |
| 209 | const int search_parents); |
| 210 | |
| 211 | extern struct symbol *cp_lookup_symbol_imports_or_template |
| 212 | (const char *scope, |
| 213 | const char *name, |
| 214 | const struct block *block, |
| 215 | const domain_enum domain); |
| 216 | |
| 217 | extern struct symbol *cp_lookup_nested_symbol (struct type *parent_type, |
| 218 | const char *nested_name, |
| 219 | const struct block *block); |
| 220 | |
| 221 | struct type *cp_lookup_transparent_type (const char *name); |
| 222 | |
| 223 | /* See description in cp-namespace.c. */ |
| 224 | |
| 225 | struct type *find_type_baseclass_by_name (struct type *parent_type, |
| 226 | const char *name); |
| 227 | |
| 228 | /* Functions from cp-name-parser.y. */ |
| 229 | |
| 230 | extern struct demangle_parse_info *cp_demangled_name_to_comp |
| 231 | (const char *demangled_name, const char **errmsg); |
| 232 | |
| 233 | extern char *cp_comp_to_string (struct demangle_component *result, |
| 234 | int estimated_len); |
| 235 | |
| 236 | extern void cp_demangled_name_parse_free (struct demangle_parse_info *); |
| 237 | extern struct cleanup *make_cleanup_cp_demangled_name_parse_free |
| 238 | (struct demangle_parse_info *); |
| 239 | extern void cp_merge_demangle_parse_infos (struct demangle_parse_info *, |
| 240 | struct demangle_component *, |
| 241 | struct demangle_parse_info *); |
| 242 | |
| 243 | extern struct demangle_parse_info *cp_new_demangle_parse_info (void); |
| 244 | |
| 245 | /* The list of "maint cplus" commands. */ |
| 246 | |
| 247 | extern struct cmd_list_element *maint_cplus_cmd_list; |
| 248 | |
| 249 | /* A wrapper for bfd_demangle. */ |
| 250 | |
| 251 | char *gdb_demangle (const char *name, int options); |
| 252 | |
| 253 | #endif /* CP_SUPPORT_H */ |