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Diffstat (limited to 'src/mem/slicc/ast/ObjDeclAST.py')
-rw-r--r-- | src/mem/slicc/ast/ObjDeclAST.py | 94 |
1 files changed, 94 insertions, 0 deletions
diff --git a/src/mem/slicc/ast/ObjDeclAST.py b/src/mem/slicc/ast/ObjDeclAST.py new file mode 100644 index 000000000..8a967f7b8 --- /dev/null +++ b/src/mem/slicc/ast/ObjDeclAST.py @@ -0,0 +1,94 @@ +# 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 slicc.ast.DeclAST import DeclAST +from slicc.symbols import Var + +class ObjDeclAST(DeclAST): + def __init__(self, slicc, type_ast, ident, pairs): + super(ObjDeclAST, self).__init__(slicc, pairs) + + self.type_ast = type_ast + self.ident = ident + + def __repr__(self): + return "[ObjDecl: %r]" % self.ident + + def generate(self): + machineComponentSym = False + + self["chip_object"] = "yes" + + if "hack" in self: + warning("'hack=' is now deprecated") + + if "network" in self and "virtual_network" not in self: + self.error("Network queues require a 'virtual_network' attribute") + + type = self.type_ast.type + if type.isBuffer and "ordered" not in self: + self.error("Buffer object decls require an 'ordered' attribute") + + if "ordered" in self: + value = self["ordered"] + + if value not in ("true", "false"): + self.error("The 'ordered' attribute is '%s' " + \ + "must be 'true' or 'false'.", value) + + if "random" in self: + value = self["random"] + if value not in ("true", "false"): + self.error("The 'random' attribute is '%s' " + \ + "must be 'true' or 'false'.", value) + + machine = self.symtab.state_machine + + # FIXME : should all use accessors here to avoid public member + # variables + if self.ident == "id": + c_code = "m_chip_ptr.getID()" + elif self.ident == "version": + c_code = "m_version" + elif self.ident == "machineID": + c_code = "m_machineID" + elif machine: + c_code = "(*m_%s_%s_ptr)" % (machine.ident, self.ident) + else: + c_code = "(*m_%s_ptr)" % (self.ident) + + v = Var(self.symtab, self.ident, self.location, type, c_code, + self.pairs, machine) + + if machine: + machine.addObject(v) + + self.symtab.newSymbol(v) + + # used to cheat-- that is, access components in other machines + if machineComponentSym: + self.symtab.newMachComponentSym(v) |