#NEWLINE# def transform_block( self , stmts , keep_bindings = False ) : #NEWLINE# #INDENT# self . available_expressions . push ( ) #NEWLINE# self . bindings . push ( ) #NEWLINE# new_stmts = Transform . transform_block ( self , stmts ) #NEWLINE# self . available_expressions . pop ( ) #NEWLINE# if ( not self ) : #NEWLINE# #INDENT# self . bindings . pop ( ) #NEWLINE# #UNINDENT# return new_stmts