void CBotFunction::RestoreCall(long& nIdent, const char* name, CBotVar* pThis, CBotVar** ppVars, CBotStack* pStack, CBotClass* pClass)
{
CBotTypResult type;
CBotFunction* pt = FindLocalOrPublic(nIdent, name, ppVars, type);
if ( pt != NULL )
{
CBotStack* pStk = pStack->RestoreStack(pt);
if ( pStk == NULL ) return;
pStk->SetBotCall(pt->m_pProg); // it may have changed module
CBotVar* pthis = pStk->FindVar("this");
pthis->SetUniqNum(-2);
CBotStack* pStk3 = pStk->RestoreStack(NULL); // to set parameters passed
if ( pStk3 == NULL ) return;
pt->m_Param->RestoreState(pStk3, true); // parameters
if ( pStk->GetState() > 1 && // latching is effective?
pt->m_bSynchro )
{
CBotProgram* pProgBase = pStk->GetBotCall(true);
pClass->Lock(pProgBase); // locks the class
}
// finally calls the found function
pt->m_Block->RestoreState(pStk3, true); // interrupt !
}
}
void CBotFunction::RestoreState(CBotVar** ppVars, CBotStack* &pj, CBotVar* pInstance)
{
CBotStack* pile = pj->RestoreStack(this); // one end of stack local to this function
if ( pile == NULL ) return;
CBotStack* pile2 = pile;
pile->SetBotCall(m_pProg); // bases for routines
if ( pile->GetBlock() < 2 )
{
CBotStack* pile2 = pile->RestoreStack(NULL); // one end of stack local to this function
if ( pile2 == NULL ) return;
pile->SetState(pile->GetState() + pile2->GetState());
pile2->Delete();
}
m_Param->RestoreState(pile2, true); // parameters
if ( !m_MasterClass.IsEmpty() )
{
CBotVar* pThis = pile->FindVar("this");
pThis->SetInit(2);
pThis->SetUniqNum(-2);
}
m_Block->RestoreState(pile2, true);
}
bool CBotFunction::Execute(CBotVar** ppVars, CBotStack* &pj, CBotVar* pInstance)
{
CBotStack* pile = pj->AddStack(this, 2); // one end of stack local to this function
// if ( pile == EOX ) return true;
pile->SetBotCall(m_pProg); // bases for routines
if ( pile->GetState() == 0 )
{
if ( !m_Param->Execute(ppVars, pile) ) return false; // define parameters
pile->IncState();
}
if ( pile->GetState() == 1 && !m_MasterClass.IsEmpty() )
{
// makes "this" known
CBotVar* pThis ;
if ( pInstance == NULL )
{
pThis = CBotVar::Create("this", CBotTypResult( CBotTypClass, m_MasterClass ));
pThis->SetInit(2);
}
else
{
pThis = CBotVar::Create("this", CBotTypResult( CBotTypPointer, m_MasterClass ));
pThis->SetPointer(pInstance);
pThis->SetInit(2);
}
// pThis->SetUniqNum(m_nThisIdent);
pThis->SetUniqNum(-2);
pile->AddVar(pThis);
pile->IncState();
}
if ( pile->IfStep() ) return false;
if ( !m_Block->Execute(pile) )
{
if ( pile->GetError() < 0 )
pile->SetError( 0 );
else
return false;
}
return pj->Return(pile);
}
int CBotFunction::DoCall(long& nIdent, const char* name, CBotVar* pThis, CBotVar** ppVars, CBotStack* pStack, CBotToken* pToken, CBotClass* pClass)
{
CBotTypResult type;
CBotProgram* pProgCurrent = pStack->GetBotCall();
CBotFunction* pt = FindLocalOrPublic(nIdent, name, ppVars, type, false);
if ( pt != NULL )
{
// DEBUG( "CBotFunction::DoCall" + pt->GetName(), 0, pStack);
CBotStack* pStk = pStack->AddStack(pt, 2);
// if ( pStk == EOX ) return true;
pStk->SetBotCall(pt->m_pProg); // it may have changed module
CBotStack* pStk3 = pStk->AddStack(NULL, true); // to set parameters passed
// preparing parameters on the stack
if ( pStk->GetState() == 0 )
{
// sets the variable "this" on the stack
CBotVar* pthis = CBotVar::Create("this", CBotTypNullPointer);
pthis->Copy(pThis, false);
pthis->SetUniqNum(-2); // special value
pStk->AddVar(pthis);
CBotClass* pClass = pThis->GetClass()->GetParent();
if ( pClass )
{
// sets the variable "super" on the stack
CBotVar* psuper = CBotVar::Create("super", CBotTypNullPointer);
psuper->Copy(pThis, false); // in fact identical to "this"
psuper->SetUniqNum(-3); // special value
pStk->AddVar(psuper);
}
// initializes the variables as parameters
pt->m_Param->Execute(ppVars, pStk3); // cannot be interrupted
pStk->IncState();
}
if ( pStk->GetState() == 1 )
{
if ( pt->m_bSynchro )
{
CBotProgram* pProgBase = pStk->GetBotCall(true);
if ( !pClass->Lock(pProgBase) ) return false; // expected to power \TODO attend de pouvoir
}
pStk->IncState();
}
// finally calls the found function
if ( !pStk3->GetRetVar( // puts the result on the stack
pt->m_Block->Execute(pStk3) )) // GetRetVar said if it is interrupted
{
if ( !pStk3->IsOk() )
{
if ( pt->m_bSynchro )
{
pClass->Unlock(); // release function
}
if ( pt->m_pProg != pProgCurrent )
{
pStk3->SetPosError(pToken); // indicates the error on the procedure call
}
}
return false; // interrupt !
}
if ( pt->m_bSynchro )
{
pClass->Unlock(); // release function
}
return pStack->Return( pStk3 );
}
return -1;
}
