import ast
def process(node):
  exceptionHandlerLabel = "_" + ast.nextLabel() + "_handler"
  afterExceptionHandler = ast.nextLabel();

  ast.outputInBlock("push_eh %s" % ( exceptionHandlerLabel ) )
  ast.evaluate( node.body )
  ast.outputInBlock("clear_eh" )
  ast.outputInBlock("branch %s" % ( afterExceptionHandler ) )
  
  ast.outputLabel( exceptionHandlerLabel )
  for x in node.handlers:
    #print x[0]
    #print x[1]
    ast.evaluate( x[2] )
  ast.outputLabel( afterExceptionHandler )
  if ( node.else_ ):
    ast.evaluate( node.else_ )