All files / src/abap/2_statements/statements loop.ts

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import {IStatement} from "./_statement";
import {seq, alt, opt, ver, altPrio, per, failCombinator} from "../combi";
import {ComponentCond, Dynamic, Source, SimpleName, LoopTarget} from "../expressions";
import {Version} from "../../../version";
import {IStatementRunnable} from "../statement_runnable";
import {SimpleSource2} from "../expressions/simple_source2";
import {LoopGroupBy} from "../expressions/loop_group_by";
 
export class Loop implements IStatement {
 
  public getMatcher(): IStatementRunnable {
    const where = seq("WHERE", alt(ComponentCond, Dynamic));
 
    const group = ver(Version.v740sp08, seq("GROUP BY", LoopGroupBy));
 
    const step = ver(Version.v757, seq("STEP", Source));
 
    const from = seq("FROM", Source);
 
    const to = seq("TO", Source);
 
    const usingKey = seq("USING KEY", altPrio(SimpleName, Dynamic));
 
    const options = per(LoopTarget, from, to, where, usingKey, group, step);
 
    const at = seq("AT",
                   opt(seq("SCREEN", failCombinator())),
                   opt(ver(Version.v740sp08, "GROUP")),
                   alt(SimpleSource2, ver(Version.v740sp02, Source)),
                   opt(options));
 
    return seq("LOOP", opt(at));
  }
 
}