import { createType, error, LISPcmd } from "./lexer.js";
import { convertType, getOutType } from "./types.js"

export default {
    "+": ({execute, data, target, nid, ctx}) => {
        let params = data.array.slice(1).map((d, i) => execute({data:d, target:target + (i ? 0 : 1)}));
        let outType = getOutType(...params.map(d => d.type));
        return {
            type: outType,
            code: params.map((d, i) => {
                if (i == 0) return [
                    d.code,
                    convertType(d.type, outType, target)
                ];
                return [
                    d.code,
                    convertType(d.type, outType, target + 1),
                    `       ${(["ADDU","ADD","FADD"])[outType]}  $${target},$${target},$${target+1}`
                ];
            }).flat(Infinity).join("\n")
        }
    },
    defvar: ({ execute, data, target, nid, ctx })=>{
        let param = data[3];
        let [type,d] = createType(param);
        if(type == "var" || type == "code"){
            error("devfar with input is not implemented yet.",...param.pos)
        }else{

            ctx.add({ name: data[1]+"V", size: (Number(data[2].substring(1)) ?? 64) / 8, amount: 1, type: (((["u","i","f"]).indexOf(data[2].substring(0,1))+1)||1)-1,content:param });
            return {
                code:"",
                type:0
            }
        }
    }
}