/*

 * Copyright (C) 2012 David Anderson

 *

 * This file is part of SourcePawn.

 *

 * SourcePawn is free software: you can redistribute it and/or modify it under

 * the terms of the GNU General Public License as published by the Free

 * Software Foundation, either version 3 of the License, or (at your option)

 * any later version.

 * 

 * SourcePawn is distributed in the hope that it will be useful, but WITHOUT ANY

 * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS

 * FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.

 *

 * You should have received a copy of the GNU General Public License along with

 * SourcePawn. If not, see http://www.gnu.org/licenses/.

 */

#ifndef _include_jc_module_h_

#define _include_jc_module_h_

#include "Heap.h"

#include "Code.h"

#include "Functions.h"

#include "FixedArray.h"

#include "Packages.h"

namespace ke {

class Environment;

class Struct;

class Package;

struct TranslationUnit;

class Module : public Importable

{

    Barriered<Code> code_;

    Barriered<Struct> globals_;

    void *nativeIdentity_;

    TranslationUnit *unit_;

    Barriered<FixedArray> imports_;

  public:

    static Module *New(Zone *zone, Handle<Package> package, Handle<String> path, Handle<String> name);

    Code *code() {

        return code_;

    }

    Struct *globals() {

        return globals_;

    }

    bool compiled() {

        return !!code_;

    }

    // Modules are pre-created, and may have their intermediate compilation

    // data attached while they are being compiled.

    bool compiling() {

        return !!unit_;

    }

    TranslationUnit *translationUnit() {

        return unit_;

    }

    void setTranslationUnit(TranslationUnit *unit) {

        unit_ = unit;

    }

    unsigned imports() {

        return imports_ ? imports_->length() / 2 : 0;

    }

    Importable *getImportAt(unsigned index) {

        return Importable::cast(imports_->at(index * 2));

    }

    FixedArray *importPathAt(unsigned index) {

        return FixedArray::cast(imports_->at(index * 2 + 1));

    }

    void setImports(Handle<FixedArray> imports) {

        imports_ = imports;

    }

    void setCode(Handle<Code> code) {

        code_ = code;

    }

    void setGlobals(Handle<Struct> globals) {

        globals_ = globals;

    }

    // Begin GC Descriptor.

    static inline size_t offsetOfCode() {

        return OFFSETOF(Module, code_);

    }

    static inline size_t offsetOfGlobals() {

        return OFFSETOF(Module, globals_);

    }

    static inline size_t offsetOfImports() {

        return OFFSETOF(Module, imports_);

    }

    // End GC Descriptor.

    static inline Module *cast(Object *obj) {

        assert(!obj || obj->is(MapKind_Module));

        return reinterpret_cast<Module *>(obj);

    }

};

}

#endif // _include_jc_module_h_