source: dev/trunk/abdev/BasicCompiler_Common/include/Variable.h@ 415

#pragma once

#include <option.h>
#include <Program.h>
#include <Symbol.h>
#include <Type.h>
#include <Binary.h>

class Variable : public Symbol
{
    Type type;
    bool isConst;
    bool isRef;
    bool isArray;
    Subscripts subscripts;

    bool isParameter;
    bool hasInitData;

    //コンストラクタ用パラメータ
    std::string paramStrForConstructor;


    /* --- オフセット ---
        ※グローバル変数で初期バッファがない場合は最上位ビットに1がセットされ、
        初期バッファの有無が識別される。
        （その後、スケジュール実行により、実際の配置に並び替えられる）*/
    int offset;


    //レキシカルスコープ用
    int scopeStartAddress;
    int scopeEndAddress;
    int scopeLevel;


    // XMLシリアライズ用
private:
    friend class boost::serialization::access;
    template<class Archive> void serialize(Archive& ar, const unsigned int version)
    {
        trace_for_serialize( "serializing - Variable" );

        ar & BOOST_SERIALIZATION_BASE_OBJECT_NVP( Symbol );
        ar & BOOST_SERIALIZATION_NVP( type );
        ar & BOOST_SERIALIZATION_NVP( isConst );
        ar & BOOST_SERIALIZATION_NVP( isRef );
        ar & BOOST_SERIALIZATION_NVP( isArray );
        ar & BOOST_SERIALIZATION_NVP( subscripts );
        ar & BOOST_SERIALIZATION_NVP( isParameter );
        ar & BOOST_SERIALIZATION_NVP( hasInitData );
        ar & BOOST_SERIALIZATION_NVP( paramStrForConstructor );
        ar & BOOST_SERIALIZATION_NVP( offset );
        ar & BOOST_SERIALIZATION_NVP( scopeStartAddress );
        ar & BOOST_SERIALIZATION_NVP( scopeEndAddress );
        ar & BOOST_SERIALIZATION_NVP( scopeLevel );
    }

public:
    Variable( const string &name, const Type &type, bool isConst, bool isRef, const std::string &paramStrForConstructor, bool hasInitData )
        : Symbol( name )
        , type( type )
        , isConst( isConst )
        , isRef( isRef )
        , isArray( false )
        , isParameter( false)
        , paramStrForConstructor( paramStrForConstructor )
        , hasInitData( hasInitData )
    {
    }
    Variable( const NamespaceScopes &namespaceScopes, const string &name, const Type &type, bool isConst, bool isRef, const std::string &paramStrForConstructor, bool hasInitData )
        : Symbol( namespaceScopes, name )
        , type( type )
        , isConst( isConst )
        , isRef( isRef )
        , isArray( false )
        , isParameter( false)
        , paramStrForConstructor( paramStrForConstructor )
        , hasInitData( hasInitData )
    {
    }
    Variable( const Variable &var )
        : Symbol( var )
        , type( var.type )
        , isConst( var.isConst )
        , isRef( var.isRef )
        , isArray( var.isArray )
        , subscripts( var.subscripts )
        , isParameter( false )
        , paramStrForConstructor( var.paramStrForConstructor )
        , hasInitData( var.hasInitData )
    {
    }
    Variable()
    {
    }
    ~Variable()
    {
    }

    void SetArray( const Subscripts &subscripts ){
        isArray = true;
        this->subscripts = subscripts;
    }

    const Type &GetType() const
    {
        return type;
    }
    void ConstOff(){
        isConst = false;
    }
    void ConstOn(){
        isConst = true;
    }
    bool IsConst() const
    {
        return isConst;
    }
    bool IsRef() const
    {
        return isRef;
    }
    bool IsArray()const
    {
        return isArray;
    }
    const Subscripts &GetSubscripts() const
    {
        return subscripts;
    }

    void ThisIsParameter(){
        isParameter = true;
    }
    bool IsParameter() const
    {
        return isParameter;
    }
    bool HasInitData() const
    {
        return hasInitData;
    }


    int GetMemorySize() const
    {
        if( isRef || isParameter ){
            return PTR_SIZE;
        }

        int size = type.GetSize();

        if( isArray ){
            int num = 1;
            for( int i=0; i<(int)subscripts.size(); i++){
                num *= subscripts[i]+1;
            }
            size *= num;
        }

        if( size % PTR_SIZE ){
            size += PTR_SIZE-(size%PTR_SIZE);
        }

        return size;
    }

    int GetOffsetAddress() const
    {
        return offset;
    }
    void SetOffsetAddress( int offset )
    {
        this->offset = offset;
    }

    const std::string &GetParamStrForConstructor() const
    {
        return paramStrForConstructor;
    }

    //レキシカルスコープ用
    int GetScopeStartAddress() const
    {
        return scopeStartAddress;
    }
    void SetScopeStartAddress( int scopeStartAddress )
    {
        this->scopeStartAddress = scopeStartAddress;
    }
    int GetScopeEndAddress() const
    {
        return scopeEndAddress;
    }
    void SetScopeEndAddress( int scopeEndAddress )
    {
        this->scopeEndAddress = scopeEndAddress;
    }
    int GetScopeLevel() const
    {
        return scopeLevel;
    }
    void SetScopeLevel( int scopeLevel )
    {
        this->scopeLevel = scopeLevel;
    }


    bool isLiving;
    int source_code_address;


    static int GetSubScriptCounts( const Subscripts &subscripts ){
        // 配列の要素数を取得
        int i,i2;
        for(i=0,i2=1;i<(int)subscripts.size();i++){
            i2 *= subscripts[i]+1;
        }
        return i2;
    }
};

class Variables : public vector<Variable *>
{
protected:
    int allSize;

    // XMLシリアライズ用
private:
    friend class boost::serialization::access;
    template<class Archive> void serialize(Archive& ar, const unsigned int version)
    {
        trace_for_serialize( "serializing - Variables" );

        ar & boost::serialization::make_nvp("vector_Variable", boost::serialization::base_object<vector<Variable *>>(*this));
    }

public:
    Variables()
        : allSize( 0 )
    {
    }
    ~Variables(){
        Clear();
    }

    void Clear(){
        for( int i=0; i<(int)this->size(); i++ ){
            delete (*this)[i];
        }

        allSize = 0;
        clear();
    }
    void PullOutAll()
    {
        clear();
    }

    int GetAllSize() const
    {
        return allSize;
    }

    bool DuplicateCheck( const Symbol &symbol ) const;

    const Variable *BackSearch( const Symbol &symbol ) const;
    const Variable *Find( const Symbol &symbol )const;
};

class GlobalVars : public Variables
{
public:
    Binary initAreaBuffer;

    // XMLシリアライズ用
private:
    friend class boost::serialization::access;
    template<class Archive> void serialize(Archive& ar, const unsigned int version)
    {
        trace_for_serialize( "serializing - GlobalVars" );

        ar & BOOST_SERIALIZATION_BASE_OBJECT_NVP( Variables );
        ar & BOOST_SERIALIZATION_NVP( initAreaBuffer );
    }
public:
    GlobalVars()
    {
    }
    ~GlobalVars()
    {
    }

    void Add( Variable *pVar, bool isResetOffsetAddress = true );
};