16657Snate@binkert.org# Copyright (c) 1999-2008 Mark D. Hill and David A. Wood 26657Snate@binkert.org# Copyright (c) 2009 The Hewlett-Packard Development Company 36657Snate@binkert.org# All rights reserved. 46657Snate@binkert.org# 56657Snate@binkert.org# Redistribution and use in source and binary forms, with or without 66657Snate@binkert.org# modification, are permitted provided that the following conditions are 76657Snate@binkert.org# met: redistributions of source code must retain the above copyright 86657Snate@binkert.org# notice, this list of conditions and the following disclaimer; 96657Snate@binkert.org# redistributions in binary form must reproduce the above copyright 106657Snate@binkert.org# notice, this list of conditions and the following disclaimer in the 116657Snate@binkert.org# documentation and/or other materials provided with the distribution; 126657Snate@binkert.org# neither the name of the copyright holders nor the names of its 136657Snate@binkert.org# contributors may be used to endorse or promote products derived from 146657Snate@binkert.org# this software without specific prior written permission. 156657Snate@binkert.org# 166657Snate@binkert.org# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 176657Snate@binkert.org# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 186657Snate@binkert.org# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 196657Snate@binkert.org# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 206657Snate@binkert.org# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 216657Snate@binkert.org# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 226657Snate@binkert.org# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 236657Snate@binkert.org# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 246657Snate@binkert.org# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 256657Snate@binkert.org# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 266657Snate@binkert.org# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 276657Snate@binkert.org 286657Snate@binkert.orgfrom slicc.ast.ExprAST import ExprAST 296657Snate@binkert.org 306657Snate@binkert.orgclass EnumExprAST(ExprAST): 316657Snate@binkert.org def __init__(self, slicc, type_ast, value): 326657Snate@binkert.org super(EnumExprAST, self).__init__(slicc) 336657Snate@binkert.org 346657Snate@binkert.org assert type_ast 356657Snate@binkert.org assert value 366657Snate@binkert.org 376657Snate@binkert.org self.type_ast = type_ast 386657Snate@binkert.org self.value = value 396657Snate@binkert.org 406657Snate@binkert.org def __repr__(self): 416657Snate@binkert.org return "[EnumExpr: %s:%s]" % (self.type_ast, self.value) 426657Snate@binkert.org 436657Snate@binkert.org def generate(self, code): 446657Snate@binkert.org fix = code.nofix() 456657Snate@binkert.org code('${{self.type_ast.type.c_ident}}_${{self.value}}') 466657Snate@binkert.org code.fix(fix) 476657Snate@binkert.org 486657Snate@binkert.org # Make sure the enumeration value exists 496657Snate@binkert.org if self.value not in self.type_ast.type.enums: 506657Snate@binkert.org self.error("Type '%s' does not have enumeration '%s'", 516657Snate@binkert.org self.type_ast, self.value) 526657Snate@binkert.org 536657Snate@binkert.org return self.type_ast.type 54