projects / thirdparty / gcc.git / blame
| Commit | Line | Data |
|---|---|---|
| aed81407 GDR |
1 | /* Declarations for C++ name lookup routines. |
| 2 | Copyright (C) 2003 Free Software Foundation, Inc. | |
| 3 | Contributed by Gabriel Dos Reis <gdr@integrable-solutions.net> | |
| 4 | ||
| 5 | This file is part of GNU CC. | |
| 6 | ||
| 7 | GNU CC 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 2, or (at your option) | |
| 10 | any later version. | |
| 11 | ||
| 12 | GNU CC 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 GNU CC; see the file COPYING. If not, write to | |
| 19 | the Free Software Foundation, 59 Temple Place - Suite 330, | |
| 20 | Boston, MA 02111-1307, USA. */ | |
| 21 | ||
| 22 | #ifndef GCC_CP_NAME_LOOKUP_H | |
| 23 | #define GCC_CP_NAME_LOOKUP_H | |
| 24 | ||
| 25 | #include "c-common.h" | |
| 26 | ||
| 27 | /* Datatype used to temporarily save C++ bindings (for implicit | |
| 28 | instantiations purposes and like). Implemented in decl.c. */ | |
| 29 | typedef struct cxx_saved_binding cxx_saved_binding; | |
| 30 | ||
| 31 | /* Datatype that represents binding established by a declaration between | |
| 32 | a name and a C++ entity. */ | |
| 33 | typedef struct cxx_binding cxx_binding; | |
| 34 | ||
| 35 | /* Nonzero if this binding is for a local scope, as opposed to a class | |
| 36 | or namespace scope. */ | |
| 37 | #define LOCAL_BINDING_P(NODE) ((NODE)->is_local) | |
| 38 | ||
| 39 | /* Nonzero if BINDING_VALUE is from a base class of the class which is | |
| 40 | currently being defined. */ | |
| 41 | #define INHERITED_VALUE_BINDING_P(NODE) ((NODE)->value_is_inherited) | |
| 42 | ||
| 43 | /* For a binding between a name and an entity at a non-local scope, | |
| 44 | defines the scope where the binding is declared. (Either a class | |
| 45 | _TYPE node, or a NAMESPACE_DECL.) This macro should be used only | |
| 46 | for namespace-level bindings; on the IDENTIFIER_BINDING list | |
| 47 | BINDING_LEVEL is used instead. */ | |
| 48 | #define BINDING_SCOPE(NODE) ((NODE)->scope.scope) | |
| 49 | ||
| 50 | /* Nonzero if NODE has BINDING_LEVEL, rather than BINDING_SCOPE. */ | |
| 51 | #define BINDING_HAS_LEVEL_P(NODE) ((NODE)->has_level) | |
| 52 | ||
| 53 | /* This is the declaration bound to the name. Possible values: | |
| 54 | variable, overloaded function, namespace, template, enumerator. */ | |
| 55 | #define BINDING_VALUE(NODE) ((NODE)->value) | |
| 56 | ||
| 57 | /* If name is bound to a type, this is the type (struct, union, enum). */ | |
| 58 | #define BINDING_TYPE(NODE) ((NODE)->type) | |
| 59 | ||
| 60 | /* Zero out a cxx_binding pointed to by B. */ | |
| 61 | #define cxx_binding_clear(B) memset ((B), 0, sizeof (cxx_binding)) | |
| 62 | ||
| 63 | struct cxx_binding GTY(()) | |
| 64 | { | |
| 65 | /* Link to chain together various bindings for this name. */ | |
| 66 | cxx_binding *previous; | |
| 67 | /* The non-type entity this name is bound to. */ | |
| 68 | tree value; | |
| 69 | /* The type entity this name is bound to. */ | |
| 70 | tree type; | |
| 71 | union tree_binding_u { | |
| 72 | tree GTY ((tag ("0"))) scope; | |
| 73 | struct cp_binding_level * GTY ((tag ("1"))) level; | |
| 74 | } GTY ((desc ("%0.has_level"))) scope; | |
| 75 | unsigned has_level : 1; | |
| 76 | unsigned value_is_inherited : 1; | |
| 77 | unsigned is_local : 1; | |
| 78 | }; | |
| 79 | ||
| 80 | extern cxx_binding *cxx_binding_make (tree, tree); | |
| 81 | extern void cxx_binding_free (cxx_binding *); | |
| 82 | \f | |
| 83 | ||
| 84 | ||
| 85 | #endif /* GCC_CP_NAME_LOOKUP_H */ |