Func.py revision 11049
14604Sgblack@eecs.umich.edu# Copyright (c) 1999-2008 Mark D. Hill and David A. Wood 24604Sgblack@eecs.umich.edu# Copyright (c) 2009 The Hewlett-Packard Development Company 34604Sgblack@eecs.umich.edu# All rights reserved. 44604Sgblack@eecs.umich.edu# 54604Sgblack@eecs.umich.edu# Redistribution and use in source and binary forms, with or without 64604Sgblack@eecs.umich.edu# modification, are permitted provided that the following conditions are 74604Sgblack@eecs.umich.edu# met: redistributions of source code must retain the above copyright 84604Sgblack@eecs.umich.edu# notice, this list of conditions and the following disclaimer; 94604Sgblack@eecs.umich.edu# redistributions in binary form must reproduce the above copyright 104604Sgblack@eecs.umich.edu# notice, this list of conditions and the following disclaimer in the 114604Sgblack@eecs.umich.edu# documentation and/or other materials provided with the distribution; 124604Sgblack@eecs.umich.edu# neither the name of the copyright holders nor the names of its 134604Sgblack@eecs.umich.edu# contributors may be used to endorse or promote products derived from 144604Sgblack@eecs.umich.edu# this software without specific prior written permission. 154604Sgblack@eecs.umich.edu# 164604Sgblack@eecs.umich.edu# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 174604Sgblack@eecs.umich.edu# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 184604Sgblack@eecs.umich.edu# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 194604Sgblack@eecs.umich.edu# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 204604Sgblack@eecs.umich.edu# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 214604Sgblack@eecs.umich.edu# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 224604Sgblack@eecs.umich.edu# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 234604Sgblack@eecs.umich.edu# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 244604Sgblack@eecs.umich.edu# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 254604Sgblack@eecs.umich.edu# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 264604Sgblack@eecs.umich.edu# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 274604Sgblack@eecs.umich.edu 284604Sgblack@eecs.umich.edufrom slicc.symbols.Symbol import Symbol 294604Sgblack@eecs.umich.edufrom slicc.symbols.Type import Type 304604Sgblack@eecs.umich.edu 314604Sgblack@eecs.umich.educlass Func(Symbol): 324604Sgblack@eecs.umich.edu def __init__(self, table, ident, name, location, return_type, param_types, 334604Sgblack@eecs.umich.edu param_strings, body, pairs): 344604Sgblack@eecs.umich.edu super(Func, self).__init__(table, ident, location, pairs) 354604Sgblack@eecs.umich.edu self.return_type = return_type 364604Sgblack@eecs.umich.edu self.param_types = param_types 374604Sgblack@eecs.umich.edu self.param_strings = param_strings 384604Sgblack@eecs.umich.edu self.body = body 394604Sgblack@eecs.umich.edu self.isInternalMachineFunc = False 404604Sgblack@eecs.umich.edu self.c_ident = ident 414604Sgblack@eecs.umich.edu self.c_name = name 424604Sgblack@eecs.umich.edu self.class_name = "" 434604Sgblack@eecs.umich.edu 444604Sgblack@eecs.umich.edu def __repr__(self): 454604Sgblack@eecs.umich.edu return "" 464604Sgblack@eecs.umich.edu 474604Sgblack@eecs.umich.edu @property 484604Sgblack@eecs.umich.edu def prototype(self): 494604Sgblack@eecs.umich.edu if "external" in self: 504604Sgblack@eecs.umich.edu return "" 514604Sgblack@eecs.umich.edu 524604Sgblack@eecs.umich.edu return_type = self.return_type.c_ident 534604Sgblack@eecs.umich.edu void_type = self.symtab.find("void", Type) 544604Sgblack@eecs.umich.edu if "return_by_ref" in self and self.return_type != void_type: 554604Sgblack@eecs.umich.edu return_type += "&" 564604Sgblack@eecs.umich.edu elif "return_by_pointer" in self and self.return_type != void_type: 574604Sgblack@eecs.umich.edu return_type += "*" 584604Sgblack@eecs.umich.edu 594604Sgblack@eecs.umich.edu return "%s %s(%s);" % (return_type, self.c_name, 604604Sgblack@eecs.umich.edu ", ".join(self.param_strings)) 614604Sgblack@eecs.umich.edu 624604Sgblack@eecs.umich.edu def writeCodeFiles(self, path, includes): 634604Sgblack@eecs.umich.edu return 644604Sgblack@eecs.umich.edu 654604Sgblack@eecs.umich.edu def generateCode(self): 664604Sgblack@eecs.umich.edu '''This write a function of object Chip''' 674604Sgblack@eecs.umich.edu if "external" in self: 684604Sgblack@eecs.umich.edu return "" 694712Sgblack@eecs.umich.edu 704712Sgblack@eecs.umich.edu code = self.symtab.codeFormatter() 714604Sgblack@eecs.umich.edu 724604Sgblack@eecs.umich.edu # Generate function header 734604Sgblack@eecs.umich.edu void_type = self.symtab.find("void", Type) 744604Sgblack@eecs.umich.edu return_type = self.return_type.c_ident 754604Sgblack@eecs.umich.edu if "return_by_ref" in self and self.return_type != void_type: 764848Sgblack@eecs.umich.edu return_type += "&" 774604Sgblack@eecs.umich.edu if "return_by_pointer" in self and self.return_type != void_type: 784604Sgblack@eecs.umich.edu return_type += "*" 794604Sgblack@eecs.umich.edu 804604Sgblack@eecs.umich.edu params = ', '.join(self.param_strings) 814604Sgblack@eecs.umich.edu 824604Sgblack@eecs.umich.edu code(''' 834712Sgblack@eecs.umich.edu$return_type 844604Sgblack@eecs.umich.edu${{self.class_name}}::${{self.c_name}}($params) 854712Sgblack@eecs.umich.edu{ 864712Sgblack@eecs.umich.edu${{self.body}} 874848Sgblack@eecs.umich.edu} 884604Sgblack@eecs.umich.edu''') 894604Sgblack@eecs.umich.edu return str(code) 904604Sgblack@eecs.umich.edu 914863Sgblack@eecs.umich.edu__all__ = [ "Func" ] 924863Sgblack@eecs.umich.edu