package frontend.ast.func;

import error.Errors;
import frontend.ast.Node;
import frontend.ast.SyntaxType;
import frontend.lexer.TokenStream;
import frontend.lexer.TokenType;
import frontend.ast.token.TokenNode;

import java.util.ArrayList;

public class FuncFParams extends Node {
    public FuncFParams(TokenStream ts) {
        super(SyntaxType.FUNC_FORMAL_PARAM_S, ts);
    }

    public void parse(Errors errors) {
        while (true) {
            FuncFParam ffp = new FuncFParam(this.ts);
            ffp.parse(errors);
            addChild(ffp);
            if (getCurrToken().getType() == TokenType.COMMA) {
                TokenNode comma = new TokenNode(this.ts);
                addChild(comma);
            } else {
                break;
            }
        }
    }

    public ArrayList<FuncFParam> getParamList() {
        ArrayList<FuncFParam> paramList = new ArrayList<>();
        for (int i = 0; i < getChildren().size(); i += 2) {
            paramList.add((FuncFParam) getChild(i));
        }
        return paramList;
    }
}