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Diffstat (limited to 'src/mem/slicc/ast/OutPortDeclAST.py')
-rw-r--r-- | src/mem/slicc/ast/OutPortDeclAST.py | 57 |
1 files changed, 57 insertions, 0 deletions
diff --git a/src/mem/slicc/ast/OutPortDeclAST.py b/src/mem/slicc/ast/OutPortDeclAST.py new file mode 100644 index 000000000..e6ef31928 --- /dev/null +++ b/src/mem/slicc/ast/OutPortDeclAST.py @@ -0,0 +1,57 @@ +# Copyright (c) 1999-2008 Mark D. Hill and David A. Wood +# Copyright (c) 2009 The Hewlett-Packard Development Company +# All rights reserved. +# +# Redistribution and use in source and binary forms, with or without +# modification, are permitted provided that the following conditions are +# met: redistributions of source code must retain the above copyright +# notice, this list of conditions and the following disclaimer; +# redistributions in binary form must reproduce the above copyright +# notice, this list of conditions and the following disclaimer in the +# documentation and/or other materials provided with the distribution; +# neither the name of the copyright holders nor the names of its +# contributors may be used to endorse or promote products derived from +# this software without specific prior written permission. +# +# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + +from m5.util import code_formatter + +from slicc.ast.DeclAST import DeclAST +from slicc.ast.TypeAST import TypeAST +from slicc.symbols import Var + +class OutPortDeclAST(DeclAST): + def __init__(self, slicc, ident, msg_type, var_expr, pairs): + super(OutPortDeclAST, self).__init__(slicc, pairs) + + self.ident = ident + self.msg_type = msg_type + self.var_expr = var_expr + self.queue_type = TypeAST(slicc, "OutPort") + + def __repr__(self): + return "[OutPortDecl: %r]" % self.ident + + def generate(self): + code = code_formatter(newlines=False) + + queue_type = self.var_expr.generate(code) + if not queue_type.isOutPort: + self.error("The outport queue's type must have the 'outport' " + + "attribute. Type '%s' does not have this attribute.", + (queue_type)) + + var = Var(self.symtab, self.ident, self.location, self.queue_type.type, + str(code), self.pairs) + self.symtab.newSymbol(var) |