Method check

basex-core/src/main/java/org/basex/query/QueryParser.java:273–294

Checks function calls, variable references and updating semantics. @param main main module; null for library modules @throws QueryException query exception

(final MainModule main)

   * @throws QueryException query exception
   */
  private void check(final MainModule main) throws QueryException {
    // resolve function calls
    qc.functions.resolve();
    // resolve variable references
    qc.vars.resolve();

    if(qc.contextValue != null) {
      final Expr ctx = qc.contextValue.expr;
      if(!sc.mixUpdates && ctx.has(Flag.UPD)) throw error(UPCTX, ctx);
    }

    if(qc.updating) {
      // check updating semantics if updating expressions exist
      if(!sc.mixUpdates) {
        qc.functions.checkUp();
        qc.vars.checkUp();
        if(main != null) main.expr.checkUp();
      }
      // check if main expression is updating
      qc.updating = main != null && main.expr.has(Flag.UPD);
    }
  }

  /**
   * Parses the "VersionDecl" rule.