statements concatenate.ts

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1x import {IStatement} from "./_statement";
import {str, optPrio, seq, per, plus, altPrio} from "../combi";
import {Target, SimpleSource3, Source} from "../expressions";
import {IStatementRunnable} from "../statement_runnable";
 
export class Concatenate implements IStatement {
 
  public getMatcher(): IStatementRunnable {
    const mode = seq("IN", altPrio("BYTE", "CHARACTER"), "MODE");
    const blanks = str("RESPECTING BLANKS");
    const sep = seq("SEPARATED BY", SimpleSource3);
 
    const options = per(mode, blanks, sep);
 
    const sourc = seq(SimpleSource3, plus(SimpleSource3));
    const lines = seq("LINES OF", Source);
 
    return seq("CONCATENATE",
               altPrio(lines, sourc),
               "INTO",
               Target,
               optPrio(options));
  }
 
}