CBotInstr* CompileParams(CBotToken* &p, CBotCStack* pStack, CBotVar** ppVars)
{
bool first = true;
CBotInstr* ret = nullptr; // to return to the list
CBotCStack* pile = pStack;
int i = 0;
if (IsOfType(p, ID_OPENPAR))
{
int start, end;
if (!IsOfType(p, ID_CLOSEPAR)) while (true)
{
start = p->GetStart();
pile = pile->TokenStack(); // keeps the result on the stack
if (first) pStack->SetStartError(start);
first = false;
CBotInstr* param = CBotExpression::Compile(p, pile);
end = p->GetStart();
if (!pile->IsOk())
{
return pStack->Return(nullptr, pile);
}
if (ret == nullptr) ret = param;
else ret->AddNext(param); // construct the list
if (param != nullptr)
{
if (pile->GetTypResult().Eq(99))
{
delete pStack->TokenStack();
pStack->SetError(CBotErrVoid, p->GetStart());
return nullptr;
}
ppVars[i] = pile->GetVar();
ppVars[i]->GetToken()->SetPos(start, end);
i++;
if (IsOfType(p, ID_COMMA)) continue; // skips the comma
if (IsOfType(p, ID_CLOSEPAR)) break;
}
pStack->SetError(CBotErrClosePar, p->GetStart());
delete pStack->TokenStack();
return nullptr;
}
}
ppVars[i] = nullptr;
return ret;
}
CBotInstr* CBotInstrCall::Compile(CBotToken* &p, CBotCStack* pStack)
{
CBotVar* ppVars[1000];
int i = 0;
CBotToken* pp = p;
p = p->GetNext();
pStack->SetStartError(p->GetStart());
CBotCStack* pile = pStack;
if ( IsOfType(p, ID_OPENPAR) )
{
int start, end;
CBotInstrCall* inst = new CBotInstrCall();
inst->SetToken(pp);
// compile la list of parameters
if (!IsOfType(p, ID_CLOSEPAR)) while (true)
{
start = p->GetStart();
pile = pile->TokenStack(); // keeps the results on the stack
CBotInstr* param = CBotExpression::Compile(p, pile);
end = p->GetStart();
if ( inst->m_Parameters == NULL ) inst->m_Parameters = param;
else inst->m_Parameters->AddNext(param); // constructs the list
if ( !pile->IsOk() )
{
delete inst;
return pStack->Return(NULL, pile);
}
if ( param != NULL )
{
if ( pile->GetTypResult().Eq(99) )
{
delete pStack->TokenStack();
pStack->SetError(TX_VOID, p->GetStart());
delete inst;
return NULL;
}
ppVars[i] = pile->GetVar();
ppVars[i]->GetToken()->SetPos(start, end);
i++;
if (IsOfType(p, ID_COMMA)) continue; // skips the comma
if (IsOfType(p, ID_CLOSEPAR)) break;
}
pStack->SetError(TX_CLOSEPAR, p->GetStart());
delete pStack->TokenStack();
delete inst;
return NULL;
}
ppVars[i] = NULL;
// the routine is known?
// CBotClass* pClass = NULL;
inst->m_typRes = pStack->CompileCall(pp, ppVars, inst->m_nFuncIdent);
if ( inst->m_typRes.GetType() >= 20 )
{
// if (pVar2!=NULL) pp = pVar2->RetToken();
pStack->SetError( inst->m_typRes.GetType(), pp );
delete pStack->TokenStack();
delete inst;
return NULL;
}
delete pStack->TokenStack();
if ( inst->m_typRes.GetType() > 0 )
{
CBotVar* pRes = CBotVar::Create("", inst->m_typRes);
pStack->SetVar(pRes); // for knowing the type of the result
}
else pStack->SetVar(NULL); // routine returns void
return inst;
}
p = pp;
delete pStack->TokenStack();
return NULL;
}