text: # Copyright (c) 1999-2008 Mark D. Hill and David A. Wood
  # Copyright (c) 2009 The Hewlett-Packard Development Company
  # Copyright (c) 2010 Advanced Micro Devices, Inc.
  # All rights reserved.
  #
  # Redistribution and use in source and binary forms, with or without
  # modification, are permitted provided that the following conditions are
  # met: redistributions of source code must retain the above copyright
  # notice, this list of conditions and the following disclaimer;
  # redistributions in binary form must reproduce the above copyright
  # notice, this list of conditions and the following disclaimer in the
  # documentation and/or other materials provided with the distribution;
  # neither the name of the copyright holders nor the names of its
  # contributors may be used to endorse or promote products derived from
  # this software without specific prior written permission.
  #
  # THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  # "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  # LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
  # A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  # OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  # SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  # LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  # DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  # THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  
  from slicc.ast.StatementAST import StatementAST
  
  class CheckProbeStatementAST(StatementAST):
      def __init__(self, slicc, in_port, address):
          super().__init__(slicc)
          self.in_port = in_port
          self.address = address
  
      def __repr__(self):
          return "[CheckProbeStatementAst: %r]" % self.in_port
  
      def generate(self, code, return_type, **kwargs):
          self.in_port.assertType("InPort")
          self.address.assertType("Addr")
  
          in_port_code = self.in_port.var.code
          address_code = self.address.var.code
          code('''
      if (m_is_blocking &&
          (m_block_map.count($address_code) == 1) &&
          (m_block_map[$address_code] == &$in_port_code)) {
              $in_port_code.delayHead(clockEdge(), cyclesToTicks(Cycles(1)));
              continue;
          }
          ''')
  