@ Override public void visitClassContext ( ClassContext classContext ) { if ( ( collectionClass == null ) || ( iteratorClass == null ) ) { return ; } try { collectionGroups = new ArrayList <> ( ) ; groupToIterator = new HashMap <> ( ) ; loops = new HashMap <> ( 10 ) ; super . visitClassContext ( classContext ) ; } finally { collectionGroups = null ; groupToIterator = null ; loops = null ; endOfScopes = null ; } }
implements the visitor to setup the opcode stack collectionGroups groupToIterator and loops