TransitionDeclAST.py (6778:b3f2dfbe8006) TransitionDeclAST.py (9104:27d56b644e78)
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;

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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;

--- 15 unchanged lines hidden (view full) ---

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