import {Command, ParseContext, StrTerm} from "./command.js";
import {LexInput} from "../lexer.js";

export type LinesData = {
    on?: StrTerm,
    with?: StrTerm,
}

export class Lines extends Command<LinesData> {
    attemptParse(context: ParseContext): LinesData {
        return {
            on: context.popOptionalTerm(),
            with: context.popOptionalTerm(),
        }
    }

    getDisplayName(): string {
        return 'lines'
    }

    isParseCandidate(token: LexInput): boolean {
        return this.isKeyword(token, 'lines')
    }
}