/* Copyright (C) 1999-2019 by The D Language Foundation, All Rights Reserved * http://www.digitalmars.com * Distributed under the Boost Software License, Version 1.0. * (See accompanying file LICENSE or copy at http://www.boost.org/LICENSE_1_0.txt) * https://github.com/dlang/dmd/blob/master/src/root/object.h */ #pragma once #include "dsystem.h" typedef size_t hash_t; struct OutBuffer; enum DYNCAST { DYNCAST_OBJECT, DYNCAST_EXPRESSION, DYNCAST_DSYMBOL, DYNCAST_TYPE, DYNCAST_IDENTIFIER, DYNCAST_TUPLE, DYNCAST_PARAMETER, DYNCAST_STATEMENT }; /* * Root of our class library. */ class RootObject { public: RootObject() { } virtual bool equals(RootObject *o); /** * Return <0, ==0, or >0 if this is less than, equal to, or greater than obj. * Useful for sorting Objects. */ virtual int compare(RootObject *obj); /** * Pretty-print an Object. Useful for debugging the old-fashioned way. */ virtual void print(); virtual const char *toChars(); virtual void toBuffer(OutBuffer *buf); /** * Used as a replacement for dynamic_cast. Returns a unique number * defined by the library user. For Object, the return value is 0. */ virtual int dyncast() const; }; |