580 }
581
582 /**
583 * Checks whether a given target is a jump destination that lies outside a given split node
584 * @param splitNode the split node
585 * @param target the target node
586 * @return true if target resides outside the split node
587 */
588 public boolean isExternalTarget(final SplitNode splitNode, final BreakableNode target) {
589 for (int i = sp; i-- > 0;) {
590 final LexicalContextNode next = stack[i];
591 if (next == splitNode) {
592 return true;
593 } else if (next == target) {
594 return false;
595 }
596 }
597 throw new AssertionError(target + " was expected in lexical context " + LexicalContext.this + " but wasn't");
598 }
599
600 @Override
601 public String toString() {
602 final StringBuffer sb = new StringBuffer();
603 sb.append("[ ");
604 for (int i = 0; i < sp; i++) {
605 final Object node = stack[i];
606 sb.append(node.getClass().getSimpleName());
607 sb.append('@');
608 sb.append(Debug.id(node));
609 sb.append(':');
610 if (node instanceof FunctionNode) {
611 final FunctionNode fn = (FunctionNode)node;
612 final Source source = fn.getSource();
613 String src = source.toString();
614 if (src.contains(File.pathSeparator)) {
615 src = src.substring(src.lastIndexOf(File.pathSeparator));
616 }
617 src += ' ';
618 src += fn.getLineNumber();
619 sb.append(src);
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580 }
581
582 /**
583 * Checks whether a given target is a jump destination that lies outside a given split node
584 * @param splitNode the split node
585 * @param target the target node
586 * @return true if target resides outside the split node
587 */
588 public boolean isExternalTarget(final SplitNode splitNode, final BreakableNode target) {
589 for (int i = sp; i-- > 0;) {
590 final LexicalContextNode next = stack[i];
591 if (next == splitNode) {
592 return true;
593 } else if (next == target) {
594 return false;
595 }
596 }
597 throw new AssertionError(target + " was expected in lexical context " + LexicalContext.this + " but wasn't");
598 }
599
600 /**
601 * Checks whether the current context is inside a switch statement without explicit blocks (curly braces).
602 * @return true if in unprotected switch statement
603 */
604 public boolean inUnprotectedSwitchContext() {
605 for (int i = sp; i > 0; i--) {
606 final LexicalContextNode next = stack[i];
607 if (next instanceof Block) {
608 return stack[i - 1] instanceof SwitchNode;
609 }
610 }
611 return false;
612 }
613
614 @Override
615 public String toString() {
616 final StringBuffer sb = new StringBuffer();
617 sb.append("[ ");
618 for (int i = 0; i < sp; i++) {
619 final Object node = stack[i];
620 sb.append(node.getClass().getSimpleName());
621 sb.append('@');
622 sb.append(Debug.id(node));
623 sb.append(':');
624 if (node instanceof FunctionNode) {
625 final FunctionNode fn = (FunctionNode)node;
626 final Source source = fn.getSource();
627 String src = source.toString();
628 if (src.contains(File.pathSeparator)) {
629 src = src.substring(src.lastIndexOf(File.pathSeparator));
630 }
631 src += ' ';
632 src += fn.getLineNumber();
633 sb.append(src);
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