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/* Copyright (C) 1999-2022 by The D Language Foundation, All Rights Reserved
* written by Walter Bright
* https://www.digitalmars.com
* Distributed under the Boost Software License, Version 1.0.
* https://www.boost.org/LICENSE_1_0.txt
* https://github.com/dlang/dmd/blob/master/src/dmd/root/object.h
*/
#pragma once
#include "dsystem.h"
#include "dcompat.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,
DYNCAST_TEMPLATEPARAMETER
};
/*
* Root of our class library.
*/
class RootObject
{
public:
RootObject() { }
virtual bool equals(const RootObject *o) const;
/**
* Pretty-print an Object. Useful for debugging the old-fashioned way.
*/
virtual const char *toChars() const;
/// This function is `extern(D)` and should not be called from C++,
/// as the ABI does not match on some platforms
virtual DString toString();
/**
* Used as a replacement for dynamic_cast. Returns a unique number
* defined by the library user. For Object, the return value is 0.
*/
virtual DYNCAST dyncast() const;
};
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