expressions reduce_next.ts

100% Statements 19/19

100% Branches 1/1

100% Functions 1/1

100% Lines 19/19

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1x import {Expression, seq, plus, altPrio, tok, ver, alt} from "../combi";
import {SimpleTarget, Source} from ".";
import {IStatementRunnable} from "../statement_runnable";
import {WDash, WPlus} from "../../1_lexer/tokens";
import {Version} from "../../../version";
 
export class ReduceNext extends Expression {
  public getRunnable(): IStatementRunnable {
    const calcAssign = ver(Version.v754,
                           alt(seq(tok(WPlus), "="),
                               seq(tok(WDash), "="),
                               "/=",
                               "*=",
                               "&&="));
 
    const fields = seq(SimpleTarget, altPrio("=", calcAssign), Source);
    return seq("NEXT", plus(fields));
  }
}