StateDeclAST.py revision 7055 
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,
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26# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27
28from slicc.ast.DeclAST import DeclAST
29from slicc.symbols import Func, Type
30
31class EnumDeclAST(DeclAST):
32    def __init__(self, slicc, type_ast, pairs, fields):
33        super(EnumDeclAST, self).__init__(slicc, pairs)
34
35        self.type_ast = type_ast
36        self.fields = fields
37
38    def __repr__(self):
39        return "[EnumDecl: %s]" % (self.type_ast)
40
41    def files(self, parent=None):
42        if "external" in self:
43            return set()
44
45        if parent:
46            ident = "%s_%s" % (parent, self.type_ast.ident)
47        else:
48            ident = self.type_ast.ident
49        s = set(("%s.hh" % ident, "%s.cc" % ident))
50        return s
51
52    def generate(self):
53        ident = str(self.type_ast)
54
55        # Make the new type
56        t = Type(self.symtab, ident, self.location, self.pairs,
57                 self.state_machine)
58        self.symtab.newSymbol(t)
59
60        # Add all of the fields of the type to it
61        for field in self.fields:
62            field.generate(t)
63
64        # Add the implicit State_to_string method - FIXME, this is a bit dirty
65        func_id = "%s_to_string" % t.c_ident
66
67        pairs = { "external" : "yes" }
68        func = Func(self.symtab, func_id, self.location,
69                    self.symtab.find("std::string", Type), [ t ], [], "",
70                    pairs, None)
71        self.symtab.newSymbol(func)
72