Func.py revision 8478
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.symbols.Symbol import Symbol 296657Snate@binkert.orgfrom slicc.symbols.Type import Type 306657Snate@binkert.org 316657Snate@binkert.orgclass Func(Symbol): 326657Snate@binkert.org def __init__(self, table, ident, location, return_type, param_types, 336657Snate@binkert.org param_strings, body, pairs, machine): 346657Snate@binkert.org super(Func, self).__init__(table, ident, location, pairs) 356657Snate@binkert.org self.return_type = return_type 366657Snate@binkert.org self.param_types = param_types 376657Snate@binkert.org self.param_strings = param_strings 386657Snate@binkert.org self.body = body 396657Snate@binkert.org self.isInternalMachineFunc = False 408337Snilay@cs.wisc.edu self.c_ident = ident 416657Snate@binkert.org 428337Snilay@cs.wisc.edu if machine is None or "external" in self or "primitive" in self: 438337Snilay@cs.wisc.edu pass 446657Snate@binkert.org else: 456657Snate@binkert.org self.machineStr = str(machine) 466657Snate@binkert.org self.isInternalMachineFunc = True 476657Snate@binkert.org 486657Snate@binkert.org def __repr__(self): 496657Snate@binkert.org return "" 506657Snate@binkert.org 516657Snate@binkert.org @property 526657Snate@binkert.org def prototype(self): 536657Snate@binkert.org if "external" in self: 546657Snate@binkert.org return "" 556657Snate@binkert.org 566657Snate@binkert.org return_type = self.return_type.c_ident 576657Snate@binkert.org void_type = self.symtab.find("void", Type) 586657Snate@binkert.org if "return_by_ref" in self and self.return_type != void_type: 596657Snate@binkert.org return_type += "&" 607839Snilay@cs.wisc.edu elif "return_by_pointer" in self and self.return_type != void_type: 617839Snilay@cs.wisc.edu return_type += "*" 626657Snate@binkert.org 636657Snate@binkert.org return "%s %s(%s);" % (return_type, self.c_ident, 646657Snate@binkert.org ", ".join(self.param_strings)) 656657Snate@binkert.org 666657Snate@binkert.org def writeCodeFiles(self, path): 678478Snilay@cs.wisc.edu return 688478Snilay@cs.wisc.edu 698478Snilay@cs.wisc.edu def generateCode(self): 706657Snate@binkert.org '''This write a function of object Chip''' 716657Snate@binkert.org if "external" in self: 728478Snilay@cs.wisc.edu return "" 736657Snate@binkert.org 746999Snate@binkert.org code = self.symtab.codeFormatter() 756657Snate@binkert.org 766657Snate@binkert.org # Generate function header 776657Snate@binkert.org void_type = self.symtab.find("void", Type) 786657Snate@binkert.org return_type = self.return_type.c_ident 796657Snate@binkert.org if "return_by_ref" in self and self.return_type != void_type: 806657Snate@binkert.org return_type += "&" 817839Snilay@cs.wisc.edu if "return_by_pointer" in self and self.return_type != void_type: 827839Snilay@cs.wisc.edu return_type += "*" 836657Snate@binkert.org 846657Snate@binkert.org if self.isInternalMachineFunc: 856657Snate@binkert.org klass = "%s_Controller" % self.machineStr 866657Snate@binkert.org else: 876657Snate@binkert.org klass = "Chip" 886657Snate@binkert.org 896657Snate@binkert.org params = ', '.join(self.param_strings) 906657Snate@binkert.org 916657Snate@binkert.org code(''' 927007Snate@binkert.org$return_type 937007Snate@binkert.org${klass}::${{self.c_ident}}($params) 946657Snate@binkert.org{ 956657Snate@binkert.org${{self.body}} 966657Snate@binkert.org} 976657Snate@binkert.org''') 988478Snilay@cs.wisc.edu return str(code) 996657Snate@binkert.org 1006657Snate@binkert.org__all__ = [ "Func" ] 101