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- // This may look like C code, but it is really -*- C++ -*-
- /*
- Copyright (C) 1988 Free Software Foundation
- written by Doug Lea (dl@rocky.oswego.edu)
-
- This file is part of the GNU C++ Library. This library is free
- software; you can redistribute it and/or modify it under the terms of
- the GNU Library General Public License as published by the Free
- Software Foundation; either version 2 of the License, or (at your
- option) any later version. This library is distributed in the hope
- that it will be useful, but WITHOUT ANY WARRANTY; without even the
- implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
- PURPOSE. See the GNU Library General Public License for more details.
- You should have received a copy of the GNU Library General Public
- License along with this library; if not, write to the Free Software
- Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
- */
-
- #ifndef generic_h
- #ifdef __GNUG__
- #pragma once
- #pragma interface
- #endif
- #define generic_h 1
-
- /*
- * See the CPP manual, argument prescan section for explanation
- */
-
- #define name2(a,b) gEnErIc2(a,b)
- #define gEnErIc2(a,b) a ## b
-
- #define name3(a,b,c) gEnErIc3(a,b,c)
- #define gEnErIc3(a,b,c) a ## b ## c
-
- #define name4(a,b,c,d) gEnErIc4(a,b,c,d)
- #define gEnErIc4(a,b,c,d) a ## b ## c ## d
-
- #define GENERIC_STRING(a) gEnErIcStRiNg(a)
- #define gEnErIcStRiNg(a) #a
-
- #define declare(clas,t) name2(clas,declare)(t)
- #define declare2(clas,t1,t2) name2(clas,declare2)(t1,t2)
-
- #define implement(clas,t) name2(clas,implement)(t)
- #define implement2(clas,t1,t2) name2(clas,implement2)(t1,t2)
-
- extern genericerror(int,char*);
- typedef int (*GPT)(int,char*);
-
- #define set_handler(gen,type,x) name4(set_,type,gen,_handler)(x)
-
- #define errorhandler(gen,type) name3(type,gen,handler)
-
- #define callerror(gen,type,a,b) (*errorhandler(gen,type))(a,b)
-
-
- #endif generic_h
-