16657Snate@binkert.org# Copyright (c) 1999-2008 Mark D. Hill and David A. Wood 26657Snate@binkert.org# Copyright (c) 2009 The Hewlett-Packard Development Company 36657Snate@binkert.org# All rights reserved. 46657Snate@binkert.org# 56657Snate@binkert.org# Redistribution and use in source and binary forms, with or without 66657Snate@binkert.org# modification, are permitted provided that the following conditions are 76657Snate@binkert.org# met: redistributions of source code must retain the above copyright 86657Snate@binkert.org# notice, this list of conditions and the following disclaimer; 96657Snate@binkert.org# redistributions in binary form must reproduce the above copyright 106657Snate@binkert.org# notice, this list of conditions and the following disclaimer in the 116657Snate@binkert.org# documentation and/or other materials provided with the distribution; 126657Snate@binkert.org# neither the name of the copyright holders nor the names of its 136657Snate@binkert.org# contributors may be used to endorse or promote products derived from 146657Snate@binkert.org# this software without specific prior written permission. 156657Snate@binkert.org# 166657Snate@binkert.org# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 176657Snate@binkert.org# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 186657Snate@binkert.org# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 196657Snate@binkert.org# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 206657Snate@binkert.org# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 216657Snate@binkert.org# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 226657Snate@binkert.org# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 236657Snate@binkert.org# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 246657Snate@binkert.org# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 256657Snate@binkert.org# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 266657Snate@binkert.org# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 276657Snate@binkert.org 286657Snate@binkert.orgfrom slicc.ast.StatementAST import StatementAST 296657Snate@binkert.org 306657Snate@binkert.orgclass AssignStatementAST(StatementAST): 316657Snate@binkert.org def __init__(self, slicc, lvalue, rvalue): 326657Snate@binkert.org super(AssignStatementAST, self).__init__(slicc) 336657Snate@binkert.org self.lvalue = lvalue 346657Snate@binkert.org self.rvalue = rvalue 356657Snate@binkert.org 366657Snate@binkert.org def __repr__(self): 376657Snate@binkert.org return "[AssignStatementAST: %r := %r]" % (self.lvalue, self.rvalue) 386657Snate@binkert.org 396657Snate@binkert.org def generate(self, code, return_type): 406999Snate@binkert.org lcode = self.slicc.codeFormatter() 416999Snate@binkert.org rcode = self.slicc.codeFormatter() 426657Snate@binkert.org 436657Snate@binkert.org ltype = self.lvalue.generate(lcode) 446657Snate@binkert.org rtype = self.rvalue.generate(rcode) 456657Snate@binkert.org 466657Snate@binkert.org code("$lcode = $rcode;") 476657Snate@binkert.org 489106SBrad.Beckmann@amd.com if not (ltype == rtype or (ltype.isInterface and ltype['interface'] == rtype.ident)): 496657Snate@binkert.org # FIXME - beckmann 5010895Snilay@cs.wisc.edu # the following if statement is a hack to allow NetDest objects to 5110895Snilay@cs.wisc.edu # be assigned to Sets this allows for the previous Message 5210895Snilay@cs.wisc.edu # Destination 'Set class' to migrate to the new Message Destination 5310895Snilay@cs.wisc.edu # 'NetDest class' 546657Snate@binkert.org if str(ltype) != "NetDest" and str(rtype) != "Set": 556657Snate@binkert.org self.error("Assignment type mismatch '%s' and '%s'", 566657Snate@binkert.org ltype, rtype) 57