ObjDeclAST.py revision 9271
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.DeclAST import DeclAST 296657Snate@binkert.orgfrom slicc.symbols import Var 306657Snate@binkert.org 316657Snate@binkert.orgclass ObjDeclAST(DeclAST): 326657Snate@binkert.org def __init__(self, slicc, type_ast, ident, pairs): 336657Snate@binkert.org super(ObjDeclAST, self).__init__(slicc, pairs) 346657Snate@binkert.org 356657Snate@binkert.org self.type_ast = type_ast 366657Snate@binkert.org self.ident = ident 376657Snate@binkert.org 386657Snate@binkert.org def __repr__(self): 396657Snate@binkert.org return "[ObjDecl: %r]" % self.ident 406657Snate@binkert.org 416657Snate@binkert.org def generate(self): 426657Snate@binkert.org machineComponentSym = False 436657Snate@binkert.org 446657Snate@binkert.org if "hack" in self: 456657Snate@binkert.org warning("'hack=' is now deprecated") 466657Snate@binkert.org 476657Snate@binkert.org if "network" in self and "virtual_network" not in self: 486657Snate@binkert.org self.error("Network queues require a 'virtual_network' attribute") 496657Snate@binkert.org 506657Snate@binkert.org type = self.type_ast.type 516657Snate@binkert.org if type.isBuffer and "ordered" not in self: 526657Snate@binkert.org self.error("Buffer object decls require an 'ordered' attribute") 536657Snate@binkert.org 546657Snate@binkert.org if "ordered" in self: 556657Snate@binkert.org value = self["ordered"] 566657Snate@binkert.org 576657Snate@binkert.org if value not in ("true", "false"): 586657Snate@binkert.org self.error("The 'ordered' attribute is '%s' " + \ 596657Snate@binkert.org "must be 'true' or 'false'.", value) 606657Snate@binkert.org 616657Snate@binkert.org if "random" in self: 626657Snate@binkert.org value = self["random"] 636657Snate@binkert.org if value not in ("true", "false"): 646657Snate@binkert.org self.error("The 'random' attribute is '%s' " + \ 656657Snate@binkert.org "must be 'true' or 'false'.", value) 666657Snate@binkert.org 676657Snate@binkert.org machine = self.symtab.state_machine 686657Snate@binkert.org 696657Snate@binkert.org # FIXME : should all use accessors here to avoid public member 706657Snate@binkert.org # variables 719271Snilay@cs.wisc.edu if self.ident == "version": 726657Snate@binkert.org c_code = "m_version" 736657Snate@binkert.org elif self.ident == "machineID": 746657Snate@binkert.org c_code = "m_machineID" 756657Snate@binkert.org elif machine: 766657Snate@binkert.org c_code = "(*m_%s_%s_ptr)" % (machine.ident, self.ident) 776657Snate@binkert.org else: 786657Snate@binkert.org c_code = "(*m_%s_ptr)" % (self.ident) 796657Snate@binkert.org 806657Snate@binkert.org v = Var(self.symtab, self.ident, self.location, type, c_code, 816657Snate@binkert.org self.pairs, machine) 826657Snate@binkert.org 836657Snate@binkert.org if machine: 846657Snate@binkert.org machine.addObject(v) 856657Snate@binkert.org 866657Snate@binkert.org self.symtab.newSymbol(v) 876657Snate@binkert.org 886657Snate@binkert.org # used to cheat-- that is, access components in other machines 896657Snate@binkert.org if machineComponentSym: 906657Snate@binkert.org self.symtab.newMachComponentSym(v) 91