import ast
def process(node):
  exception = ast.nextPRegister()
  ast.outputInBlock( "new %s, .Exception" % ( exception ) )
  if node.expr1:
    ast.outputInBlock( "%s[\"type\"] = %s" % ( exception, ast.evaluate( node.expr1 ) ) ) 
  if node.expr2:
    ast.outputInBlock( "%s[\"value\"] = %s" % ( exception, ast.evaluate( node.expr2 ) ) ) 
  if node.expr3:
    ast.outputInBlock( "%s[\"traceback\"] = %s" % ( exception, ast.evaluate( node.expr3 ) ) ) 
  ast.outputInBlock( "throw %s" % ( exception ) )