private static void CgExp(FuncInfo fi, Exp node, int a, int n)
{
switch (node)
{
case NilExp _:
fi.EmitLoadNil(a, n);
break;
case FalseExp _:
fi.EmitLoadBool(a, 0, 0);
break;
case TrueExp _:
fi.EmitLoadBool(a, 1, 0);
break;
case IntegerExp integerExp:
fi.EmitLoadK(a, integerExp.Val);
break;
case FloatExp floatExp:
fi.EmitLoadK(a, floatExp.Val);
break;
case StringExp stringExp:
fi.EmitLoadK(a, stringExp.Str);
break;
case ParensExp parensExp:
CgExp(fi, parensExp.Exp, a, 1);
break;
case VarargExp varargExp:
CgVarargExp(fi, varargExp, a, n);
break;
case FuncDefExp funcDefExp:
CgFuncDefExp(fi, funcDefExp, a);
break;
case TableConstructorExp tableConstructorExp:
CgTableConstructorExp(fi, tableConstructorExp, a);
break;
case UnopExp unopExp:
CgUnopExp(fi, unopExp, a);
break;
case BinopExp binopExp:
CgBinopExp(fi, binopExp, a);
break;
case ConcatExp concatExp:
CgConcatExp(fi, concatExp, a);
break;
case NameExp nameExp:
CgNameExp(fi, nameExp, a);
break;
case TableAccessExp tableAccessExp:
CgTableAccessExp(fi, tableAccessExp, a);
break;
case FuncCallExp funcCallExp:
CgFuncCallExp(fi, funcCallExp, a, n);
break;
}
}