private int PrepFuncCall(FuncInfo funcInfo, FuncCallExpNode node, int a)
{
int nArgs = node.Args.Count;
bool lastVarIsVarargOrFuncCall = false;
CGExp(funcInfo, node.PreExp, a, 1);
if (node.NameExp.ExpType != ConstExpNode.ConstExpType.NilExp)
{
int c = 0x100 + funcInfo.IndexOfConstVar(node.NameExp.name);
funcInfo.EmitSelf(a, a, c);
}
int i = 0;
foreach (var arg in node.Args)
{
int r = funcInfo.AllocReg();
if (i == nArgs - 1 && IsVarargOrFuncCall(arg))
{
lastVarIsVarargOrFuncCall = true;
CGExp(funcInfo, arg, r, -1);
}
else
{
CGExp(funcInfo, arg, r, 1);
}
i++;
}
funcInfo.FreeRegs(nArgs);
if (node.NameExp.ExpType != ConstExpNode.ConstExpType.NilExp)
{
nArgs++;
}
if (lastVarIsVarargOrFuncCall)
{
nArgs--;
}
return(nArgs);
}
