C++ CBotInstr::RestoreState方法代码示例

void CBotSwitch :: RestoreState(CBotStack* &pj, bool bMain)
{
    if ( !bMain ) return;

    CBotStack* pile1 = pj->RestoreStack(this);  // adds an item to the stack
    if ( pile1 == nullptr ) return;

    CBotInstr*  p = m_Block;                    // first expression

    int     state = pile1->GetState();
    if (state == 0)
    {
        m_Value->RestoreState(pile1, bMain);
        return;
    }

    if ( state == -1 )
    {
        return;
    }

//  p = m_Block;                                // returns to the beginning
    while ( p != nullptr && state-- > 0 )
    {
        p->RestoreState(pile1, false);
        p = p->GetNext();                       // advance in the list
    }

    if( p != nullptr )
    {
        p->RestoreState(pile1, true);
        return;
    }
}

void CBotInstrCall::RestoreState(CBotStack* &pj, bool bMain)
{
    if ( !bMain ) return;

    CBotStack*  pile  = pj->RestoreStack(this);
    if ( pile == NULL ) return;

//    CBotStack*  pile1 = pile;

    int         i = 0;
    CBotVar*    ppVars[1000];
    CBotInstr*  p = m_Parameters;
    // evaluate parameters
    // and place the values on the stack
    // for allow of interruption at any time
    if ( p != NULL) while ( true )
    {
        pile = pile->RestoreStack();                        // place on the stack for the results
        if ( pile == NULL ) return;
        if ( pile->GetState() == 0 )
        {
            p->RestoreState(pile, bMain);                   // interrupt here!
            return;
        }
        ppVars[i++] = pile->GetVar();               // constructs the list of parameters
        p = p->GetNext();
        if ( p == NULL) break;
    }
    ppVars[i] = NULL;

    CBotStack* pile2 = pile->RestoreStack();
    if ( pile2 == NULL ) return;

    pile2->RestoreCall(m_nFuncIdent, GetToken(), ppVars);
}

void CBotListInstr::RestoreState(CBotStack* &pj, bool bMain)
{
    if (!bMain) return;

    CBotStack*    pile = pj->RestoreStack(this);
    if (pile == nullptr) return;

    CBotInstr*    p = m_instr;                                    // the first expression

    int        state = pile->GetState();
    while ( p != nullptr && state-- > 0)
    {
        p->RestoreState(pile, false);
        p = p->GetNext();                            // returns to the interrupted operation
    }

    if (p != nullptr) p->RestoreState(pile, true);
}

void CBotListArray::RestoreState(CBotStack* &pj, bool bMain)
{
    if (bMain)
    {
        CBotStack*    pile  = pj->RestoreStack(this);
        if (pile == nullptr) return;

        CBotInstr* p = m_expr;

        int    state = pile->GetState();

        while(state-- > 0) p = p->GetNext3b() ;

        p->RestoreState(pile, bMain);                    // size calculation //interrupted!
    }
}

void CBotInstrCall::RestoreState(CBotStack* &pj, bool bMain)
{
    if ( !bMain ) return;

    CBotStack*  pile  = pj->RestoreStack(this);
    if ( pile == nullptr ) return;

    if (m_exprRetVar != nullptr)    // func().member
    {
        CBotStack* pile3 = pile->AddStack2();
        if (pile3->GetState() == 1) // function call is done?
        {
            m_exprRetVar->RestoreState(pile3, bMain);
            return;
        }
    }

//    CBotStack*  pile1 = pile;

    int         i = 0;
    CBotVar*    ppVars[1000];
    CBotInstr*  p = m_parameters;
    // evaluate parameters
    // and place the values on the stack
    // for allow of interruption at any time
    if ( p != nullptr) while ( true )
    {
        pile = pile->RestoreStack();                        // place on the stack for the results
        if ( pile == nullptr ) return;
        if ( pile->GetState() == 0 )
        {
            p->RestoreState(pile, bMain);                   // interrupt here!
            return;
        }
        ppVars[i++] = pile->GetVar();               // constructs the list of parameters
        p = p->GetNext();
        if ( p == nullptr) break;
    }
    ppVars[i] = nullptr;

    CBotStack* pile2 = pile->RestoreStack();
    if ( pile2 == nullptr ) return;

    pile2->RestoreCall(m_nFuncIdent, GetToken(), ppVars);
}

void CBotDefArray::RestoreState(CBotStack* &pj, bool bMain)
{
    CBotStack*    pile1 = pj;

    CBotVar*    var = pj->FindVar(m_var->GetToken()->GetString());
    if (var != nullptr) var->SetUniqNum((static_cast<CBotLeftExprVar*>(m_var))->m_nIdent);

    if (bMain)
    {
        pile1 = pj->RestoreStack(this);
        CBotStack*    pile  = pile1;
        if (pile == nullptr) return;

        if (pile1->GetState() == 0)
        {
            // seek the maximum dimension of the table
            CBotInstr*    p  = GetNext3b();

            while (p != nullptr)
            {
                pile = pile->RestoreStack();
                if (pile == nullptr) return;
                if (pile->GetState() == 0)
                {
                    p->RestoreState(pile, bMain);
                    return;
                }
                p = p->GetNext3b();
            }
        }
        if (pile1->GetState() == 1 && m_listass != nullptr)
        {
            m_listass->RestoreState(pile1, bMain);
        }

    }

    if (m_next2b ) m_next2b->RestoreState( pile1, bMain);
}

void CBotNew::RestoreState(CBotStack* &pj, bool bMain)
{
    if (!bMain) return;

    CBotStack*    pile = pj->RestoreStack(this);    //primary stack
    if (pile == nullptr) return;

    if (m_exprRetVar != nullptr)    // new Class().method()
    {
        if (pile->GetState() == 2)
        {
            CBotStack* pile3 = pile->RestoreStack();
            m_exprRetVar->RestoreState(pile3, bMain);
            return;
        }
    }

    CBotStack*    pile1 = pj->AddStack2();  //secondary stack

    CBotToken*    pt = &m_vartoken;
    CBotClass*    pClass = CBotClass::Find(pt);

    // create the variable "this" pointer type to the object

    if ( pile->GetState()==0)
    {
        return;
    }

    CBotVar* pThis = pile1->GetVar();   // find the pointer
    pThis->SetUniqNum(-2);

    // is ther an assignment or parameters (constructor)
    if ( pile->GetState()==1)
    {
        // evaluates the constructor of the instance

        CBotVar*    ppVars[1000];
        CBotStack*    pile2 = pile;

        int        i = 0;

        CBotInstr*    p = m_parameters;
        // evaluate the parameters
        // and places the values on the stack
        // to be interrupted at any time

        if (p != nullptr) while ( true)
        {
            pile2 = pile2->RestoreStack();  // space on the stack for the result
            if (pile2 == nullptr) return;

            if (pile2->GetState() == 0)
            {
                p->RestoreState(pile2, bMain);  // interrupt here!
                return;
            }
            ppVars[i++] = pile2->GetVar();
            p = p->GetNext();
            if ( p == nullptr) break;
        }
        ppVars[i] = nullptr;

        pClass->RestoreMethode(m_nMethodeIdent, m_vartoken.GetString(), pThis,
                               ppVars, pile2)    ;        // interrupt here!
    }
}

void CBotClassInst::RestoreState(CBotStack* &pj, bool bMain)
{
    CBotVar*    pThis = NULL;

    CBotStack*  pile = pj;
    if ( bMain ) pile = pj->RestoreStack(this);
    if ( pile == NULL ) return;

    // creates the variable of type pointer to the object
    {
        CBotString  name = m_var->m_token.GetString();
        pThis = pile->FindVar(name);
        pThis->SetUniqNum((static_cast<CBotLeftExprVar*>(m_var))->m_nIdent); // its attribute a unique number
    }

    CBotToken*  pt = &m_token;
    CBotClass*  pClass = CBotClass::Find(pt);
    bool bIntrincic = pClass->IsIntrinsic();

    if ( bMain && pile->GetState()<3)
    {
        // is there an assignment or parameters (constructor)

//      CBotVarClass* pInstance = NULL;

        if ( m_expr != NULL )
        {
            // evaluates the expression for the assignment
            m_expr->RestoreState(pile, bMain);
            return;
        }

        else if ( m_hasParams )
        {
            // evaluates the constructor of an instance

            if ( !bIntrincic && pile->GetState() == 1)
            {
                return;
            }

            CBotVar*    ppVars[1000];
            CBotStack*  pile2 = pile;

            int     i = 0;

            CBotInstr*  p = m_Parameters;
            // evaluates the parameters
            // and the values an the stack
            // for the ability to be interrupted at any time (\TODO pour pouvoir être interrompu n'importe quand)

            if ( p != NULL) while ( true )
            {
                pile2 = pile2->RestoreStack();                      // place on the stack for the results
                if ( pile2 == NULL ) return;

                if ( pile2->GetState() == 0 )
                {
                    p->RestoreState(pile2, bMain);      // interrupted here?
                    return;
                }
                ppVars[i++] = pile2->GetVar();
                p = p->GetNext();
                if ( p == NULL) break;
            }
            ppVars[i] = NULL;

            // creates a variable for the result
//            CBotVar*    pResult = NULL;     // constructor still void

            pClass->RestoreMethode(m_nMethodeIdent, pClass->GetName(), pThis, ppVars, pile2);
            return;
        }
    }

    if ( m_next2b != NULL )
         m_next2b->RestoreState(pile, bMain);                   // other(s) definition(s)
}