Determines if two frames are compatible. @param oldFrame @param afterRET @param interpreter2 @return
(StackFrame oldFrame, StackFrame afterRET)
| 845 | * @return |
| 846 | */ |
| 847 | public boolean isMergeCompatible(StackFrame oldFrame, StackFrame afterRET) { |
| 848 | if (oldFrame == null || oldFrame.getStackSize() != afterRET.getStackSize()) { |
| 849 | return false; |
| 850 | } |
| 851 | boolean changes = false; |
| 852 | for (int i = 0; i < oldFrame.getLocals() + oldFrame.getStackSize(); ++i) { |
| 853 | Value v = afterRET.getStack(i); |
| 854 | if (v != null && !v.equals(oldFrame.getStack(i))) { |
| 855 | changes = true; |
| 856 | } |
| 857 | } |
| 858 | return changes; |
| 859 | } |
| 860 | } |