Func.py revision 9298
1# Copyright (c) 1999-2008 Mark D. Hill and David A. Wood 2# Copyright (c) 2009 The Hewlett-Packard Development Company 3# All rights reserved. 4# 5# Redistribution and use in source and binary forms, with or without 6# modification, are permitted provided that the following conditions are 7# met: redistributions of source code must retain the above copyright 8# notice, this list of conditions and the following disclaimer; 9# redistributions in binary form must reproduce the above copyright 10# notice, this list of conditions and the following disclaimer in the 11# documentation and/or other materials provided with the distribution; 12# neither the name of the copyright holders nor the names of its 13# contributors may be used to endorse or promote products derived from 14# this software without specific prior written permission. 15# 16# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 17# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 18# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 19# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 20# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 21# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 22# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 23# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 24# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 25# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 26# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 27 28from slicc.symbols.Symbol import Symbol 29from slicc.symbols.Type import Type 30 31class Func(Symbol): 32 def __init__(self, table, ident, location, return_type, param_types, 33 param_strings, body, pairs): 34 super(Func, self).__init__(table, ident, location, pairs) 35 self.return_type = return_type 36 self.param_types = param_types 37 self.param_strings = param_strings 38 self.body = body 39 self.isInternalMachineFunc = False 40 self.c_ident = ident 41 self.class_name = "" 42 43 def __repr__(self): 44 return "" 45 46 @property 47 def prototype(self): 48 if "external" in self: 49 return "" 50 51 return_type = self.return_type.c_ident 52 void_type = self.symtab.find("void", Type) 53 if "return_by_ref" in self and self.return_type != void_type: 54 return_type += "&" 55 elif "return_by_pointer" in self and self.return_type != void_type: 56 return_type += "*" 57 58 return "%s %s(%s);" % (return_type, self.c_ident, 59 ", ".join(self.param_strings)) 60 61 def writeCodeFiles(self, path, includes): 62 return 63 64 def generateCode(self): 65 '''This write a function of object Chip''' 66 if "external" in self: 67 return "" 68 69 code = self.symtab.codeFormatter() 70 71 # Generate function header 72 void_type = self.symtab.find("void", Type) 73 return_type = self.return_type.c_ident 74 if "return_by_ref" in self and self.return_type != void_type: 75 return_type += "&" 76 if "return_by_pointer" in self and self.return_type != void_type: 77 return_type += "*" 78 79 params = ', '.join(self.param_strings) 80 81 code(''' 82$return_type 83${{self.class_name}}::${{self.c_ident}}($params) 84{ 85${{self.body}} 86} 87''') 88 return str(code) 89 90__all__ = [ "Func" ] 91