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.ast.DeclAST import DeclAST
29from slicc.symbols import Transition
30
31class TransitionDeclAST(DeclAST):
| 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.ast.DeclAST import DeclAST
29from slicc.symbols import Transition
30
31class TransitionDeclAST(DeclAST):
|
32 def __init__(self, slicc, request_types, states, events, next_state, pairs,
| 32 def __init__(self, slicc, request_types, states, events, next_state,
|
33 actions):
| 33 actions):
|
34 super(TransitionDeclAST, self).__init__(slicc, pairs)
| 34 super(TransitionDeclAST, self).__init__(slicc)
|
35
36 self.request_types = request_types
37 self.states = states
38 self.events = events
39 self.next_state = next_state
40 self.actions = actions
41
42 def __repr__(self):
43 return "[TransitionDecl: ]"
44
45 def generate(self):
46 machine = self.symtab.state_machine
47
48 if machine is None:
49 self.error("Transition declaration not part of a machine.")
50
51 for action in self.actions:
52 if action not in machine.actions:
53 self.error("Invalid action: %s is not part of machine: %s" % \
54 (action, machine))
55
56 for request_type in self.request_types:
57 if request_type not in machine.request_types:
58 self.error("Invalid protocol access type: " \
59 "%s is not part of machine: %s" % \
60 (request_type, machine))
61
62 for state in self.states:
63 if state not in machine.states:
64 self.error("Invalid state: %s is not part of machine: %s" % \
65 (state, machine))
66 next_state = self.next_state or state
67 for event in self.events:
68 if event not in machine.events:
69 self.error("Invalid event: %s is not part of machine: %s" % \
70 (event, machine))
71 t = Transition(self.symtab, machine, state, event, next_state,
| 35
36 self.request_types = request_types
37 self.states = states
38 self.events = events
39 self.next_state = next_state
40 self.actions = actions
41
42 def __repr__(self):
43 return "[TransitionDecl: ]"
44
45 def generate(self):
46 machine = self.symtab.state_machine
47
48 if machine is None:
49 self.error("Transition declaration not part of a machine.")
50
51 for action in self.actions:
52 if action not in machine.actions:
53 self.error("Invalid action: %s is not part of machine: %s" % \
54 (action, machine))
55
56 for request_type in self.request_types:
57 if request_type not in machine.request_types:
58 self.error("Invalid protocol access type: " \
59 "%s is not part of machine: %s" % \
60 (request_type, machine))
61
62 for state in self.states:
63 if state not in machine.states:
64 self.error("Invalid state: %s is not part of machine: %s" % \
65 (state, machine))
66 next_state = self.next_state or state
67 for event in self.events:
68 if event not in machine.events:
69 self.error("Invalid event: %s is not part of machine: %s" % \
70 (event, machine))
71 t = Transition(self.symtab, machine, state, event, next_state,
|
72 self.actions, self.request_types, self.location,
73 self.pairs)
| 72 self.actions, self.request_types, self.location)
|
74 machine.addTransition(t)
| 73 machine.addTransition(t)
|