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, name, location, return_type, param_types,
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33 proto_param_strings, body_param_strings, body,
34 pairs, default_count = 0):
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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
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38 self.proto_param_strings = proto_param_strings
39 self.body_param_strings = body_param_strings
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37 self.param_strings = param_strings |
38 self.body = body 39 self.isInternalMachineFunc = False 40 self.c_ident = ident 41 self.c_name = name 42 self.class_name = ""
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45 self.default_count = default_count
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43 44 def __repr__(self): 45 return "" 46 47 @property 48 def prototype(self): 49 if "external" in self: 50 return "" 51 52 return_type = self.return_type.c_ident 53 void_type = self.symtab.find("void", Type) 54 if "return_by_ref" in self and self.return_type != void_type: 55 return_type += "&" 56 elif "return_by_pointer" in self and self.return_type != void_type: 57 return_type += "*" 58 59 return "%s %s(%s);" % (return_type, self.c_name,
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63 ", ".join(self.proto_param_strings))
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60 ", ".join(self.param_strings)) |
61 62 def writeCodeFiles(self, path, includes): 63 return 64
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68 def checkArguments(self, args):
69 if len(args) + self.default_count < len(self.param_types) or \
70 len(args) > len(self.param_types):
71 self.error("Wrong number of arguments passed to function: '%s'" + \
72 " Expected at least: %d, got: %d", self.c_ident,
73 len(self.param_types) - self.default_count, len(args))
74
75 cvec = []
76 type_vec = []
77 for expr,expected_type in zip(args, self.param_types):
78 # Check the types of the parameter
79 actual_type,param_code = expr.inline(True)
80 if str(actual_type) != 'OOD' and \
81 str(actual_type) != str(expected_type) and \
82 str(actual_type["interface"]) != str(expected_type):
83 expr.error("Type mismatch: expected: %s actual: %s" % \
84 (expected_type, actual_type))
85 cvec.append(param_code)
86 type_vec.append(expected_type)
87
88 return cvec, type_vec
89
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65 def generateCode(self): 66 '''This write a function of object Chip''' 67 if "external" in self: 68 return "" 69 70 code = self.symtab.codeFormatter() 71 72 # Generate function header
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98 return_type = self.return_type.c_ident
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73 void_type = self.symtab.find("void", Type)
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74 return_type = self.return_type.c_ident |
75 if "return_by_ref" in self and self.return_type != void_type: 76 return_type += "&" 77 if "return_by_pointer" in self and self.return_type != void_type: 78 return_type += "*" 79
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105 params = ', '.join(self.body_param_strings)
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80 params = ', '.join(self.param_strings) |
81 82 code(''' 83$return_type 84${{self.class_name}}::${{self.c_name}}($params) 85{ 86${{self.body}} 87} 88''') 89 return str(code) 90 91__all__ = [ "Func" ]
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