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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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 m5.util import code_formatter
29
28from slicc.ast.DeclAST import DeclAST
29from slicc.ast.TypeAST import TypeAST
30from slicc.symbols import Var
31from slicc.symbols import Type
32
33class OutPortDeclAST(DeclAST):
34 def __init__(self, slicc, ident, msg_type, var_expr, pairs):
35 super(OutPortDeclAST, self).__init__(slicc, pairs)
36
37 self.ident = ident
38 self.msg_type = msg_type
39 self.var_expr = var_expr
40 self.queue_type = TypeAST(slicc, "OutPort")
41
42 def __repr__(self):
43 return "[OutPortDecl: %r]" % self.ident
44
45 def generate(self):
48 code = code_formatter(newlines=False)
46 code = self.slicc.codeFormatter(newlines=False)
47
48 queue_type = self.var_expr.generate(code)
49 if not queue_type.isOutPort:
50 self.error("The outport queue's type must have the 'outport' " +
51 "attribute. Type '%s' does not have this attribute.",
52 (queue_type))
53
54 if not self.symtab.find(self.msg_type.ident, Type):
55 self.error("The message type '%s' does not exist.",
56 self.msg_type.ident)
57
58 var = Var(self.symtab, self.ident, self.location, self.queue_type.type,
59 str(code), self.pairs)
60 self.symtab.newSymbol(var)