statements demand.ts

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100% Branches 1/1

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1x import {IStatement} from "./_statement";
import {verNot, seq, opt, plus} from "../combi";
import {Target, Field} from "../expressions";
import {Version} from "../../../version";
import {IStatementRunnable} from "../statement_runnable";
 
export class Demand implements IStatement {
 
  public getMatcher(): IStatementRunnable {
    const field = seq(Field, "=", Target);
 
    const messages = seq("MESSAGES INTO", Target);
 
    const ret = seq("DEMAND",
                    plus(field),
                    "FROM CONTEXT",
                    Field,
                    opt(messages));
 
    return verNot(Version.Cloud, ret);
  }
 
}