diff options
Diffstat (limited to 'src/mem/slicc/ast/MachineAST.py')
-rw-r--r-- | src/mem/slicc/ast/MachineAST.py | 81 |
1 files changed, 81 insertions, 0 deletions
diff --git a/src/mem/slicc/ast/MachineAST.py b/src/mem/slicc/ast/MachineAST.py new file mode 100644 index 000000000..8d48ccbf5 --- /dev/null +++ b/src/mem/slicc/ast/MachineAST.py @@ -0,0 +1,81 @@ +# 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 StateMachine, Type + +class MachineAST(DeclAST): + def __init__(self, slicc, ident, pairs_ast, config_parameters, decls): + super(MachineAST, self).__init__(slicc, pairs_ast) + + self.ident = ident + self.pairs_ast = pairs_ast + self.config_parameters = config_parameters + self.decls = decls + + def __repr__(self): + return "[Machine: %r]" % self.ident + + def files(self, hh, cc, parent=None): + hh.add('%s_Controller.hh' % self.ident) + hh.add('%s_Profiler.hh' % self.ident) + + cc.add('%s_Controller.cc' % self.ident) + cc.add('%s_Profiler.cc' % self.ident) + cc.add('%s_Transitions.cc' % self.ident) + cc.add('%s_Wakeup.cc' % self.ident) + + self.decls.files(hh, cc, self.ident) + + def generate(self): + # Make a new frame + self.symtab.pushFrame() + + # Create a new machine + machine = StateMachine(self.symtab, self.ident, self.location, + self.pairs, self.config_parameters) + + self.symtab.newCurrentMachine(machine) + + # Generate code for all the internal decls + self.decls.generate() + + # Build the transition table + machine.buildTable() + + # Pop the frame + self.symtab.popFrame() + + def findMachines(self): + # Add to MachineType enumeration + machine_type = self.symtab.find("MachineType", Type) + if not machine_type.enumAdd(self.ident, self.pairs_ast.pairs): + self.error("Duplicate machine name: %s:%s" % (machine_type, + self.ident)) + + # Generate code for all the internal decls + self.decls.findMachines() |