64 lines
1.9 KiB
C++
64 lines
1.9 KiB
C++
// This may look like C code, but it is really -*- C++ -*-
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/*
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Copyright (C) 1988 Free Software Foundation
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written by Doug Lea (dl@rocky.oswego.edu)
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This file is part of GNU CC.
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GNU CC is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY. No author or distributor
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accepts responsibility to anyone for the consequences of using it
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or for whether it serves any particular purpose or works at all,
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unless he says so in writing. Refer to the GNU CC General Public
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License for full details.
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Everyone is granted permission to copy, modify and redistribute
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GNU CC, but only under the conditions described in the
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GNU CC General Public License. A copy of this license is
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supposed to have been given to you along with GNU CC so you
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can know your rights and responsibilities. It should be in a
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file named COPYING. Among other things, the copyright notice
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and this notice must be preserved on all copies.
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*/
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#ifndef generic_h
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#ifdef __GNUG__
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#pragma once
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#pragma interface
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#endif
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#define generic_h 1
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/*
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* See the CPP manual, argument prescan section for explanation
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*/
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#define name2(a,b) gEnErIc2(a,b)
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#define gEnErIc2(a,b) a ## b
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#define name3(a,b,c) gEnErIc3(a,b,c)
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#define gEnErIc3(a,b,c) a ## b ## c
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#define name4(a,b,c,d) gEnErIc4(a,b,c,d)
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#define gEnErIc4(a,b,c,d) a ## b ## c ## d
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#define GENERIC_STRING(a) gEnErIcStRiNg(a)
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#define gEnErIcStRiNg(a) #a
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#define declare(clas,t) name2(clas,declare)(t)
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#define declare2(clas,t1,t2) name2(clas,declare2)(t1,t2)
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#define implement(clas,t) name2(clas,implement)(t)
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#define implement2(clas,t1,t2) name2(clas,implement2)(t1,t2)
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extern genericerror(int,char*);
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typedef int (*GPT)(int,char*);
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#define set_handler(gen,type,x) name4(set_,type,gen,_handler)(x)
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#define errorhandler(gen,type) name3(type,gen,handler)
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#define callerror(gen,type,a,b) (*errorhandler(gen,type))(a,b)
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#endif generic_h
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