#!/usr/bin/python3
#
# Copyright (c) 2013-2019 The Khronos Group Inc.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#     http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.

import argparse, cProfile, pdb, string, sys, time, os

# Simple timer functions
startTime = None

def startTimer(timeit):
    global startTime
    if timeit:
        startTime = time.process_time()

def endTimer(timeit, msg):
    global startTime
    if timeit:
        endTime = time.process_time()
        write(msg, endTime - startTime, file=sys.stderr)
        startTime = None

# Turn a list of strings into a regexp string matching exactly those strings
def makeREstring(list, default = None):
    if len(list) > 0 or default is None: