blob: 5c76aa81731172353809c2d172c646957b73466a [file] [log] [blame]
# 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, mtype, pairs_ast, config_parameters, decls):
super().__init__(slicc, pairs_ast)
self.ident = mtype.value
self.pairs_ast = pairs_ast
self.config_parameters = config_parameters
self.decls = decls
def __repr__(self):
return f"[Machine: {self.ident!r}]"
def files(self, parent=None):
s = set(
(
f"{self.ident}_Controller.cc",
f"{self.ident}_Controller.hh",
f"{self.ident}_Controller.py",
f"{self.ident}_Transitions.cc",
f"{self.ident}_Wakeup.cc",
)
)
s |= self.decls.files(self.ident)
return s
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):
mtype = self.ident
machine_type = self.symtab.find("MachineType", Type)
if not machine_type.checkEnum(mtype):
self.error(f"Duplicate machine name: {machine_type}:{mtype}")