Reconstruct the catch block.

Reconstruct the expression.

Reconstructs the instruction stream by appending the Instruction lists associated with each basic block. <p> Note that this joins up the basic block I

Implements parsing error recovery. Tries several simple approches first, like deleting "bad" token or replacing the latter with one of the expected in

takes <code>node</code> and redirects all branches to <code>oldTarget</code> to <code>newTarget</code>. @param node the Unit where we redirect @param

Perform a reduce action. @param rule_id Number of the production by which to reduce @return nonterminal created by a reduction

Recomputes the offset of each Instruction starting from 0; used when converting references back to offsets. @param i list of Instructions to process.

Releases the active body associated with this method.

Remove a single item if it is in the set. @param itm the item to remove.

Removes all elements <code>s</code> in the set such that <code>s</code> decends from <code>o</code> @return whether or not an element was removed.

remove the top element from the buffer