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# Copyright (c) 2011 Advanced Micro Devices, Inc.
# 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.TypeFieldAST import TypeFieldAST
from slicc.symbols import Event, State
class TypeFieldStateAST(TypeFieldAST):
def __init__(self, slicc, field_id, perm_ast, pairs_ast):
super(TypeFieldStateAST, self).__init__(slicc, pairs_ast)
self.field_id = field_id
self.perm_ast = perm_ast
if not (perm_ast.type_ast.ident == "AccessPermission"):
self.error("AccessPermission enum value must be specified")
self.pairs_ast = pairs_ast
def __repr__(self):
return "[TypeFieldState: %r]" % self.field_id
def generate(self, type):
if not str(type) == "State":
self.error("State Declaration must be of type State.")
# Add enumeration
if not type.addEnum(self.field_id, self.pairs_ast.pairs):
self.error("Duplicate enumeration: %s:%s" % (type, self.field_id))
# Fill machine info
machine = self.symtab.state_machine
if not machine:
self.error("State declaration not part of a machine.")
s = State(self.symtab, self.field_id, self.location, self.pairs)
machine.addState(s)
type.statePermPairAdd(s, self.perm_ast.value)
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