
// Compiler implementation of the D programming language
// Copyright (c) 1999-2007 by Digital Mars
// All Rights Reserved
// written by Walter Bright
// http://www.digitalmars.com
// License for redistribution is by either the Artistic License
// in artistic.txt, or the GNU General Public License in gnu.txt.
// See the included readme.txt for details.

#ifndef DMD_IMPORT_H
#define DMD_IMPORT_H

#ifdef __DMC__
#pragma once
#endif /* __DMC__ */

#include "dsymbol.h"


struct Identifier;
struct Scope;
struct OutBuffer;
struct Module;
struct Package;
struct AliasDeclaration;
#ifdef _DH
struct HdrGenState;
#endif

struct Import : Dsymbol
{
    Array *packages;            // array of Identifier's representing packages
    Identifier *id;             // module Identifier
    Identifier *aliasId;
    int isstatic;               // !=0 if static import

    // Pairs of alias=name to bind into current namespace
    Array names;
    Array aliases;

    Array aliasdecls;           // AliasDeclarations for names/aliases

    Module *mod;
    Package *pkg;               // leftmost package/module

    Import(Loc loc, Array *packages, Identifier *id, Identifier *aliasId,
        int isstatic);
    void addAlias(Identifier *name, Identifier *alias);

    const char *kind();
    Dsymbol *syntaxCopy(Dsymbol *s);    // copy only syntax trees
    void load(Scope *sc);
    void importAll(Scope *sc);
    void semantic(Scope *sc);
    void semantic2(Scope *sc);
    Dsymbol *toAlias();
    int addMember(Scope *sc, ScopeDsymbol *s, int memnum);
    Dsymbol *search(Loc loc, Identifier *ident, int flags);
    int overloadInsert(Dsymbol *s);
    void toCBuffer(OutBuffer *buf, HdrGenState *hgs);

    Import *isImport() { return this; }
};

#endif /* DMD_IMPORT_H */
