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.ast.TypeAST import TypeAST
30from slicc.symbols import Func, Type, Var
31
32class InPortDeclAST(DeclAST):
33 def __init__(self, slicc, ident, msg_type, var_expr, pairs, statements):
34 super(InPortDeclAST, self).__init__(slicc, pairs)
35
36 self.ident = ident
37 self.msg_type = msg_type
38 self.var_expr = var_expr
39 self.statements = statements
40 self.queue_type = TypeAST(slicc, "InPort")
41
42 def __repr__(self):
43 return "[InPortDecl: %s]" % self.ident
44
45 def generate(self):
46 symtab = self.symtab
47 void_type = symtab.find("void", Type)
48
49 machine = symtab.state_machine
50 if machine is None:
51 self.error("InPort declaration not part of a machine.")
52
53 code = self.slicc.codeFormatter()
54 queue_type = self.var_expr.generate(code)
55 if not queue_type.isInPort:
56 self.error("The inport queue's type must have the 'inport' " + \
57 "attribute. Type '%s' does not have this attribute.",
58 queue_type)
59
60 type = self.queue_type.type
| 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.ast.TypeAST import TypeAST
30from slicc.symbols import Func, Type, Var
31
32class InPortDeclAST(DeclAST):
33 def __init__(self, slicc, ident, msg_type, var_expr, pairs, statements):
34 super(InPortDeclAST, self).__init__(slicc, pairs)
35
36 self.ident = ident
37 self.msg_type = msg_type
38 self.var_expr = var_expr
39 self.statements = statements
40 self.queue_type = TypeAST(slicc, "InPort")
41
42 def __repr__(self):
43 return "[InPortDecl: %s]" % self.ident
44
45 def generate(self):
46 symtab = self.symtab
47 void_type = symtab.find("void", Type)
48
49 machine = symtab.state_machine
50 if machine is None:
51 self.error("InPort declaration not part of a machine.")
52
53 code = self.slicc.codeFormatter()
54 queue_type = self.var_expr.generate(code)
55 if not queue_type.isInPort:
56 self.error("The inport queue's type must have the 'inport' " + \
57 "attribute. Type '%s' does not have this attribute.",
58 queue_type)
59
60 type = self.queue_type.type
|
| 61 self.pairs["buffer_expr"] = self.var_expr
|
61 in_port = Var(self.symtab, self.ident, self.location, type, str(code),
| 62 in_port = Var(self.symtab, self.ident, self.location, type, str(code),
|
62 self.pairs, machine, self.var_expr)
| 63 self.pairs, machine)
|
63 symtab.newSymbol(in_port)
64
65 symtab.pushFrame()
66 param_types = []
67
68 # Check for Event
69 type = symtab.find("Event", Type)
70 if type is None:
71 self.error("in_port decls require 'Event' enumeration defined")
72 param_types.append(type)
73
74 # Check for Address
75 type = symtab.find("Addr", Type)
76 if type is None:
77 self.error("in_port decls require 'Addr' type to be defined")
78
79 param_types.append(type)
80
81 if machine.EntryType != None:
82 param_types.append(machine.EntryType)
83 if machine.TBEType != None:
84 param_types.append(machine.TBEType)
85
86 # Add the trigger method - FIXME, this is a bit dirty
87 pairs = { "external" : "yes" }
88 trigger_func_name = "trigger"
89 for param in param_types:
90 trigger_func_name += "_" + param.ident
91 func = Func(self.symtab, trigger_func_name, "trigger", self.location,
92 void_type, param_types, [], "", pairs)
93 symtab.newSymbol(func)
94
95 # Add the stallPort method - this hacks reschedules the controller
96 # for stalled messages that don't trigger events
97 func = Func(self.symtab, "stallPort", "stallPort", self.location,
98 void_type, [], [], "", pairs)
99 symtab.newSymbol(func)
100
101 param_types = []
102 # Check for Event2
103 type = symtab.find("Event", Type)
104 if type is None:
105 self.error("in_port decls require 'Event' enumeration")
106
107 param_types.append(type)
108
109 # Check for Address2
110 type = symtab.find("Addr", Type)
111 if type is None:
112 self.error("in_port decls require 'Addr' type to be defined")
113
114 param_types.append(type)
115
116 if self.statements is not None:
117 rcode = self.slicc.codeFormatter()
118 rcode.indent()
119 rcode.indent()
120 self.statements.generate(rcode, None)
121 in_port["c_code_in_port"] = str(rcode)
122
123 symtab.popFrame()
124
125 # Add port to state machine
126 machine.addInPort(in_port)
| 64 symtab.newSymbol(in_port)
65
66 symtab.pushFrame()
67 param_types = []
68
69 # Check for Event
70 type = symtab.find("Event", Type)
71 if type is None:
72 self.error("in_port decls require 'Event' enumeration defined")
73 param_types.append(type)
74
75 # Check for Address
76 type = symtab.find("Addr", Type)
77 if type is None:
78 self.error("in_port decls require 'Addr' type to be defined")
79
80 param_types.append(type)
81
82 if machine.EntryType != None:
83 param_types.append(machine.EntryType)
84 if machine.TBEType != None:
85 param_types.append(machine.TBEType)
86
87 # Add the trigger method - FIXME, this is a bit dirty
88 pairs = { "external" : "yes" }
89 trigger_func_name = "trigger"
90 for param in param_types:
91 trigger_func_name += "_" + param.ident
92 func = Func(self.symtab, trigger_func_name, "trigger", self.location,
93 void_type, param_types, [], "", pairs)
94 symtab.newSymbol(func)
95
96 # Add the stallPort method - this hacks reschedules the controller
97 # for stalled messages that don't trigger events
98 func = Func(self.symtab, "stallPort", "stallPort", self.location,
99 void_type, [], [], "", pairs)
100 symtab.newSymbol(func)
101
102 param_types = []
103 # Check for Event2
104 type = symtab.find("Event", Type)
105 if type is None:
106 self.error("in_port decls require 'Event' enumeration")
107
108 param_types.append(type)
109
110 # Check for Address2
111 type = symtab.find("Addr", Type)
112 if type is None:
113 self.error("in_port decls require 'Addr' type to be defined")
114
115 param_types.append(type)
116
117 if self.statements is not None:
118 rcode = self.slicc.codeFormatter()
119 rcode.indent()
120 rcode.indent()
121 self.statements.generate(rcode, None)
122 in_port["c_code_in_port"] = str(rcode)
123
124 symtab.popFrame()
125
126 # Add port to state machine
127 machine.addInPort(in_port)
|