private void CGFuncCallStat(FuncInfo funcInfo, FuncCallStatNode node)
{
var r = funcInfo.AllocReg();
FuncCallExpNode funcCall = new FuncCallExpNode();
funcCall.Args = node.Args;
funcCall.NameExp = node.NameExp;
funcCall.PreExp = node.PreExp;
CGFuncCallExp(funcInfo, funcCall, r, 0);
}
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);
}
private void CGFuncCallExp(FuncInfo funcInfo, FuncCallExpNode node, int a, int n)
{
int nArgs = PrepFuncCall(funcInfo, node, a);
funcInfo.EmitCall(a, nArgs, n);
}
