445 
 446         return Node.replaceInLexicalContext(lc, this, new Block(this, finish, statements, flags | NEEDS_SCOPE, symbols, conversion));
 447     }
 448 
 449     /**
 450      * Computationally determine the next slot for this block,
 451      * indexed from 0. Use this as a relative base when computing
 452      * frames
 453      * @return next slot
 454      */
 455     public int nextSlot() {
 456         int next = 0;
 457         for (final Symbol symbol : getSymbols()) {
 458             if (symbol.hasSlot()) {
 459                 next += symbol.slotCount();
 460             }
 461         }
 462         return next;
 463     }
 464 












 465     @Override
 466     public boolean isBreakableWithoutLabel() {
 467         return false;
 468     }
 469 
 470     @Override
 471     public List<Label> getLabels() {
 472         return Collections.unmodifiableList(Arrays.asList(entryLabel, breakLabel));
 473     }
 474 
 475     @Override
 476     public Node accept(final NodeVisitor<? extends LexicalContext> visitor) {
 477         return Acceptor.accept(this, visitor);
 478     }
 479 }

 445 
 446         return Node.replaceInLexicalContext(lc, this, new Block(this, finish, statements, flags | NEEDS_SCOPE, symbols, conversion));
 447     }
 448 
 449     /**
 450      * Computationally determine the next slot for this block,
 451      * indexed from 0. Use this as a relative base when computing
 452      * frames
 453      * @return next slot
 454      */
 455     public int nextSlot() {
 456         int next = 0;
 457         for (final Symbol symbol : getSymbols()) {
 458             if (symbol.hasSlot()) {
 459                 next += symbol.slotCount();
 460             }
 461         }
 462         return next;
 463     }
 464 
 465     /**
 466      * Determine whether this block needs to provide its scope object creator for use by its child nodes.
 467      * This is only necessary for synthetic parent blocks of for-in loops with lexical declarations.
 468      *
 469      * @return true if child nodes need access to this block's scope creator
 470      */
 471     public boolean providesScopeCreator() {
 472         return needsScope() && isSynthetic()
 473                 && (getLastStatement() instanceof ForNode)
 474                 && ((ForNode) getLastStatement()).needsScopeCreator();
 475     }
 476 
 477     @Override
 478     public boolean isBreakableWithoutLabel() {
 479         return false;
 480     }
 481 
 482     @Override
 483     public List<Label> getLabels() {
 484         return Collections.unmodifiableList(Arrays.asList(entryLabel, breakLabel));
 485     }
 486 
 487     @Override
 488     public Node accept(final NodeVisitor<? extends LexicalContext> visitor) {
 489         return Acceptor.accept(this, visitor);
 490     }
 491 }