[thirdparty/gcc.git] / gcc / d / dmd / root / object.h


/* Copyright (C) 1999-2018 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;
};
Commit	Line	Data
b4c522fa IB	1
	2	/* Copyright (C) 1999-2018 by The D Language Foundation, All Rights Reserved
	3	* http://www.digitalmars.com
	4	* Distributed under the Boost Software License, Version 1.0.
	5	* (See accompanying file LICENSE or copy at http://www.boost.org/LICENSE_1_0.txt)
	6	* https://github.com/dlang/dmd/blob/master/src/root/object.h
	7	*/
	8
b4c522fa IB	9	#pragma once
b4c522fa IB	10
f9ab59ff	11	#include "dsystem.h"
b4c522fa IB	12
	13	typedef size_t hash_t;
	14
	15	struct OutBuffer;
	16
	17	enum DYNCAST
	18	{
	19	DYNCAST_OBJECT,
	20	DYNCAST_EXPRESSION,
	21	DYNCAST_DSYMBOL,
	22	DYNCAST_TYPE,
	23	DYNCAST_IDENTIFIER,
	24	DYNCAST_TUPLE,
	25	DYNCAST_PARAMETER,
f9ab59ff	26	DYNCAST_STATEMENT
b4c522fa IB	27	};
	28
	29	/*
	30	* Root of our class library.
	31	*/
	32	class RootObject
	33	{
	34	public:
	35	RootObject() { }
	36
	37	virtual bool equals(RootObject *o);
	38
	39	/**
	40	* Return <0, ==0, or >0 if this is less than, equal to, or greater than obj.
	41	* Useful for sorting Objects.
	42	*/
	43	virtual int compare(RootObject *obj);
	44
	45	/**
	46	* Pretty-print an Object. Useful for debugging the old-fashioned way.
	47	*/
	48	virtual void print();
	49
	50	virtual const char *toChars();
	51	virtual void toBuffer(OutBuffer *buf);
	52
	53	/**
	54	* Used as a replacement for dynamic_cast. Returns a unique number
	55	* defined by the library user. For Object, the return value is 0.
	56	*/
	57	virtual int dyncast() const;
	58	};