summaryrefslogtreecommitdiff
path: root/src/mem/slicc/ast/MachineAST.py
diff options
context:
space:
mode:
Diffstat (limited to 'src/mem/slicc/ast/MachineAST.py')
-rw-r--r--src/mem/slicc/ast/MachineAST.py81
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()