Exemplo n.º 1
0
bool CBotClass::SaveStaticState(FILE* pf)
{
    if (!WriteWord( pf, CBOTVERSION*2)) return false;

    // saves the state of static variables in classes
    CBotClass*  p = m_ExClass;

    while ( p != NULL )
    {
        if (!WriteWord( pf, 1)) return false;
        // save the name of the class
        if (!WriteString( pf, p->GetName() )) return false;

        CBotVar*    pv = p->GetVar();
        while( pv != NULL )
        {
            if ( pv->IsStatic() )
            {
                if (!WriteWord( pf, 1)) return false;
                if (!WriteString( pf, pv->GetName() )) return false;

                if ( !pv->Save0State(pf)) return false;             // common header
                if ( !pv->Save1State(pf) ) return false;                // saves as the child class
                if ( !WriteWord( pf, 0)) return false;
            }
            pv = pv->GetNext();
        }

        if (!WriteWord( pf, 0)) return false;
        p = p->m_ExNext;
    }

    if (!WriteWord( pf, 0)) return false;
    return true;
}
Exemplo n.º 2
0
CBotClass* CBotClass::Find(const char* name)
{
    CBotClass*  p = m_ExClass;

    while ( p != NULL )
    {
        if ( p->GetName() == name ) return p;
        p = p->m_ExNext;
    }

    return NULL;
}
Exemplo n.º 3
0
bool CBotVar::IsElemOfClass(const std::string& name)
{
    CBotClass*    pc = nullptr;

    if ( m_type.Eq(CBotTypPointer) )
    {
        pc = (static_cast<CBotVarPointer*>(this))->m_pClass;
    }
    if ( m_type.Eq(CBotTypClass) )
    {
        pc = (static_cast<CBotVarClass*>(this))->m_pClass;
    }

    while ( pc != nullptr )
    {
        if ( pc->GetName() == name ) return true;
        pc = pc->GetParent();
    }

    return false;
}
Exemplo n.º 4
0
bool CBotClass::AddItem(CBotString name, CBotTypResult type, int mPrivate)
{
    CBotToken   token(name, CBotString());
    CBotClass*  pClass = type.GetClass();

    CBotVar*    pVar = CBotVar::Create( name, type );
/// pVar->SetUniqNum(CBotVar::NextUniqNum());
    pVar->SetPrivate( mPrivate );

    if ( pClass != NULL )
    {
//      pVar->SetClass(pClass);
        if ( type.Eq(CBotTypClass) )
        {
            // adds a new statement for the object initialization
            pVar->m_InitExpr = new CBotNew() ;
            CBotToken nom( pClass->GetName() );
            pVar->m_InitExpr->SetToken(&nom);
        }
    }
    return AddItem( pVar );
}
Exemplo n.º 5
0
CBotInstr* CBotNew::Compile(CBotToken* &p, CBotCStack* pStack)
{
    CBotToken* pp = p;
    if (!IsOfType(p, ID_NEW)) return nullptr;

    // verifies that the token is a class name
    if (p->GetType() != TokenTypVar)
    {
        pStack->SetError(CBotErrBadNew, p);
        return nullptr;
    }

    CBotClass* pClass = CBotClass::Find(p);
    if (pClass == nullptr)
    {
        pStack->SetError(CBotErrBadNew, p);
        return nullptr;
    }

    CBotNew* inst = new CBotNew();
    inst->SetToken(pp);

    inst->m_vartoken = *p;
    p = p->GetNext();

    // creates the object on the stack
    // with a pointer to the object
    CBotVar*    pVar = CBotVar::Create("", pClass);

    // do the call of the creator
    CBotCStack* pStk = pStack->TokenStack();
    {
        // check if there are parameters
        CBotVar*    ppVars[1000];
        inst->m_parameters = CompileParams(p, pStk, ppVars);
        if (!pStk->IsOk()) goto error;

        // constructor exist?
        CBotTypResult r = pClass->CompileMethode(pClass->GetName(), pVar, ppVars, pStk, inst->m_nMethodeIdent);
        delete pStk->TokenStack();  // release extra stack
        int typ = r.GetType();

        // if there is no constructor, and no parameters either, it's ok
        if (typ == CBotErrUndefCall && inst->m_parameters == nullptr) typ = 0;
        pVar->SetInit(CBotVar::InitType::DEF);    // mark the instance as init

        if (typ>20)
        {
            pStk->SetError(static_cast<CBotError>(typ), inst->m_vartoken.GetEnd());
            goto error;
        }

        // if the constructor does not exist, but there are parameters
        if (typ<0 && inst->m_parameters != nullptr)
        {
            pStk->SetError(CBotErrNoConstruct, &inst->m_vartoken);
            goto error;
        }

        // makes pointer to the object on the stack
        pStk->SetVar(pVar);

        pp = p;
        // chained method ?
        if (nullptr != (inst->m_exprRetVar = CBotExprRetVar::Compile(p, pStk, true)))
        {
            inst->m_exprRetVar->SetToken(pp);
            delete pStk->TokenStack();
        }

        if (pStack->IsOk())
            return pStack->Return(inst, pStk);
    }
error:
    delete inst;
    return pStack->Return(nullptr, pStk);
}
Exemplo n.º 6
0
bool CBotNew::Execute(CBotStack* &pj)
{
    CBotStack*    pile = pj->AddStack(this);    //main stack

    if (m_exprRetVar != nullptr) // new Class().method()
    {
        if (pile->GetState() == 2)
        {
            CBotStack* pile3 = pile->AddStack();
            if (!m_exprRetVar->Execute(pile3)) return false;
            return pj->Return(pile3);
        }
    }

    if (pile->IfStep()) return false;

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

    CBotVar*    pThis = nullptr;

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

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

    if ( pile->GetState()==0)
    {
        // create an instance of the requested class
        // and initialize the pointer to that object


        pThis = CBotVar::Create("this", pClass);
        pThis->SetUniqNum(-2) ;

        pile1->SetVar(pThis);   // place on stack1
        pile->IncState();
    }

    // fetch the this pointer if it was interrupted
    if ( pThis == nullptr)
    {
        pThis = pile1->GetVar();    // find the pointer
    }

    // is there 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->AddStack();  // space on the stack for the result
            if (pile2->GetState() == 0)
            {
                if (!p->Execute(pile2)) return false;   // interrupted here?
                pile2->SetState(1);
            }
            ppVars[i++] = pile2->GetVar();
            p = p->GetNext();
            if ( p == nullptr) break;
        }
        ppVars[i] = nullptr;

        // create a variable for the result
        CBotVar*    pResult = nullptr;     // constructos still void

        if ( !pClass->ExecuteMethode(m_nMethodeIdent, pClass->GetName(),
                                     pThis, ppVars,
                                     pResult, pile2, GetToken())) return false;    // interrupt

        pThis->ConstructorSet();    // indicates that the constructor has been called
    }

    if (m_exprRetVar != nullptr) // new Class().method()
    {
        pile->AddStack()->Delete();          // release pile2 stack
        CBotStack* pile3 = pile->AddStack(); // add new stack
        pile3->SetCopyVar(pThis); // copy the pointer (from pile1)
        pile1->Delete();          // release secondary stack(pile1)
        pile->SetState(2);
        return false;             // go back to the top ^^^
    }

    return pj->Return(pile1);   // passes below
}
Exemplo n.º 7
0
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)
}
Exemplo n.º 8
0
bool CBotClassInst::Execute(CBotStack* &pj)
{
    CBotVar*    pThis = NULL;

    CBotStack*  pile = pj->AddStack(this);//essential for SetState()
//  if ( pile == EOX ) return true;

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

    bool bIntrincic = pClass->IsIntrinsic();

    // creates the variable of type pointer to the object

    if ( pile->GetState()==0)
    {
        CBotString  name = m_var->m_token.GetString();
        if ( bIntrincic )
        {
            pThis = CBotVar::Create(name, CBotTypResult( CBotTypIntrinsic, pClass ));
        }
        else
        {
            pThis = CBotVar::Create(name, CBotTypResult( CBotTypPointer, pClass ));
        }

        pThis->SetUniqNum((static_cast<CBotLeftExprVar*>(m_var))->m_nIdent); // its attribute as unique number
        pile->AddVar(pThis);                                    // place on the stack
        pile->IncState();
    }

    if ( pThis == NULL ) pThis = pile->FindVar((static_cast<CBotLeftExprVar*>(m_var))->m_nIdent);

    if ( pile->GetState()<3)
    {
        // ss there an assignment or parameters (contructor)

//      CBotVarClass* pInstance = NULL;

        if ( m_expr != NULL )
        {
            // evaluates the expression for the assignment
            if (!m_expr->Execute(pile)) return false;

            if ( bIntrincic )
            {
                CBotVar*    pv = pile->GetVar();
                if ( pv == NULL || pv->GetPointer() == NULL )
                {
                    pile->SetError(TX_NULLPT, &m_token);
                    return pj->Return(pile);
                }
                pThis->Copy(pile->GetVar(), false);
            }
            else
            {
                CBotVarClass* pInstance;
                pInstance = (static_cast<CBotVarPointer*>(pile->GetVar()))->GetPointer();    // value for the assignment
                pThis->SetPointer(pInstance);
            }
            pThis->SetInit(true);
        }

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

            if ( !bIntrincic && pile->GetState() == 1)
            {
                CBotToken*  pt = &m_token;
                CBotClass* pClass = CBotClass::Find(pt);

                // creates an instance of the requested class

                CBotVarClass* pInstance;
                pInstance = static_cast<CBotVarClass*>(CBotVar::Create("", pClass));
                pThis->SetPointer(pInstance);
                delete pInstance;

                pile->IncState();
            }

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

            int     i = 0;

            CBotInstr*  p = m_Parameters;
            // evaluates the parameters
            // and places the values ​​on the stack
            // to (can) be interrupted (broken) at any time

            if ( p != NULL) while ( true )
            {
                pile2 = pile2->AddStack();                      // place on the stack for the results
                if ( pile2->GetState() == 0 )
                {
                    if (!p->Execute(pile2)) return false;       // interrupted here?
                    pile2->SetState(1);
                }
                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

            if ( !pClass->ExecuteMethode(m_nMethodeIdent, pClass->GetName(),
                                         pThis, ppVars,
                                         pResult, pile2, GetToken())) return false; // interrupt

            pThis->SetInit(true);
            pThis->ConstructorSet();        // indicates that the constructor has been called
            pile->Return(pile2);                                // releases a piece of stack

//          pInstance = pThis->GetPointer();

        }

//      if ( !bIntrincic ) pThis->SetPointer(pInstance);        // a pointer to the instance

        pile->SetState(3);                                  // finished this part
    }

    if ( pile->IfStep() ) return false;

    if ( m_next2b != NULL &&
        !m_next2b->Execute(pile)) return false;             // other (s) definition (s)

    return pj->Return( pile );                              // transmits below (further)
}