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import {seq, optPrio, tok, Expression, altPrio} from "../combi";
import {WParenLeftW, WParenRightW, WParenLeft, ParenRightW} from "../../1_lexer/tokens";
import {Cond} from ".";
import {IStatementRunnable} from "../statement_runnable";
 
export class CondSub extends Expression {
  public getRunnable(): IStatementRunnable {
    // rule ParserMissingSpace makes sure the whitespace is correct
    const another = seq(optPrio("NOT"),
                        altPrio(tok(WParenLeftW), tok(WParenLeft)),
                        Cond,
                        altPrio(tok(WParenRightW), tok(ParenRightW)));
 
    return another;
  }
}