statements read_line.ts

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100% Branches 1/1

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1x import {IStatement} from "./_statement";
import {verNot, str, seq, per, opt, alt, plus} from "../combi";
import {Target, Source} from "../expressions";
import {Version} from "../../../version";
import {IStatementRunnable} from "../statement_runnable";
 
export class ReadLine implements IStatement {
 
  public getMatcher(): IStatementRunnable {
    const val = seq("LINE VALUE INTO", Target);
 
    const fields = seq(Target, opt(seq("INTO", Target)));
 
    const field = seq("FIELD VALUE", plus(fields));
 
    const index = seq("INDEX", Source);
 
    const page = seq("OF PAGE", Source);
 
    const current = str("OF CURRENT PAGE");
 
    const ret = seq("READ",
                    alt("CURRENT LINE", seq("LINE", Source)),
                    opt(per(val, index, field, page, current)));
 
    return verNot(Version.Cloud, ret);
  }
 
}