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# Copyright 2017-present Open Networking Foundation
#
# 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.
#!/usr/bin/python
from __future__ import print_function
import argparse
from generator import *
from version import __version__
parse = argparse.ArgumentParser(description="XOS Generative Toolchain")
parse.add_argument(
"--rev",
dest="rev",
action="store_true",
default=XOSProcessorArgs.default_rev,
help="Convert proto to xproto",
)
parse.add_argument(
"--output",
dest="output",
action="store",
default=XOSProcessorArgs.default_output,
help="Destination dir",
)
parse.add_argument(
"--attic",
dest="attic",
action="store",
default=XOSProcessorArgs.default_attic,
help="The location at which static files are stored",
)
parse.add_argument(
"--kvpairs",
dest="kv",
action="store",
default=XOSProcessorArgs.default_kvpairs,
help="Key value pairs to make available to the target",
)
parse.add_argument(
"--write-to-file",
dest="write_to_file",
choices=["single", "model", "target"],
action="store",
default=XOSProcessorArgs.default_write_to_file,
help="Single output file (single) or output file per model (model) or let target decide (target)",
)
parse.add_argument("--version", action="version", version=__version__)
parse.add_argument(
"-v",
"--verbosity",
action="count",
default=XOSProcessorArgs.default_verbosity,
help="increase output verbosity",
)
parse.add_argument(
"--include-models",
dest="include_models",
action="append",
default=XOSProcessorArgs.default_include_models,
help="list of models to include",
)
parse.add_argument(
"--include-apps",
dest="include_apps",
action="append",
default=XOSProcessorArgs.default_include_apps,
help="list of models to include",
)
group = parse.add_mutually_exclusive_group()
group.add_argument(
"--dest-file",
dest="dest_file",
action="store",
default=XOSProcessorArgs.default_dest_file,
help="Output file name (if write-to-file is set to single)",
)
group.add_argument(
"--dest-extension",
dest="dest_extension",
action="store",
default=XOSProcessorArgs.default_dest_extension,
help="Output file extension (if write-to-file is set to single)",
)
group = parse.add_mutually_exclusive_group(required=True)
group.add_argument(
"--target",
dest="target",
action="store",
default=XOSProcessorArgs.default_target,
help="Output format, corresponding to <output>.yaml file",
)
group.add_argument(
"--checkers",
dest="checkers",
action="store",
default=XOSProcessorArgs.default_checkers,
help="Comma-separated list of static checkers",
)
parse.add_argument(
"files",
metavar="<input file>",
nargs="+",
action="store",
help="xproto files to compile",
)
CHECK = 1
GEN = 2
class XosGen:
@staticmethod
def init(args=None):
if not args:
args = parse.parse_args()
args.quiet = False
if args.target:
op = GEN
subdir = "/targets/"
elif args.checkers:
op = CHECK
subdir = "/checkers/"
else:
parse.error("At least one of --target and --checkers is required")
operators = (
args.checkers.split(",")
if hasattr(args, "checkers") and args.checkers
else [args.target]
)
for i in xrange(len(operators)):
if "/" not in operators[i]:
# if the target is not a path, it refer to a library included one
operators[i] = os.path.abspath(
os.path.dirname(os.path.realpath(__file__)) + subdir + operators[i]
)
if not os.path.isabs(operators[i]):
operators[i] = os.path.abspath(os.getcwd() + "/" + operators[i])
if op == GEN:
# convert output to absolute path
if args.output is not None and not os.path.isabs(args.output):
args.output = os.path.abspath(os.getcwd() + "/" + args.output)
operator = operators[0]
# check if there's a line that starts with +++ in the target
# if so, then the output file names are left to the target to decide
# also, if dest-file or dest-extension are supplied, then an error is generated.
plusplusplus = reduce(
lambda acc, line: True if line.startswith("+++") else acc,
open(operator).read().splitlines(),
False,
)
if plusplusplus and args.write_to_file != "target":
parse.error(
'%s chooses the names of the files that it generates, you must set --write-to-file to "target"'
% operator
)
if args.write_to_file != "single" and (args.dest_file):
parse.error(
'--dest-file requires --write-to-file to be set to "single"'
)
if args.write_to_file != "model" and (args.dest_extension):
parse.error(
'--dest-extension requires --write-to-file to be set to "model"'
)
else:
if args.write_to_file or args.dest_extension:
parse.error("Checkers cannot write to files")
inputs = []
for fname in args.files:
if not os.path.isabs(fname):
inputs.append(os.path.abspath(os.getcwd() + "/" + fname))
else:
inputs.append(fname)
args.files = inputs
if op == GEN:
generated = XOSProcessor.process(args, operators[0])
if not args.output and not args.write_to_file:
print(generated)
elif op == CHECK:
for o in operators:
verdict_str = XOSProcessor.process(args, o)
vlst = verdict_str.split("\n")
try:
verdict = next(v for v in vlst if v.strip())
status_code, status_string = verdict.split(" ", 1)
status_code = int(status_code)
except BaseException:
print("Checker %s returned mangled output" % o)
exit(1)
if status_code != 200:
print("%s: %s - %s" % (o, status_code, status_string))
exit(1)
else:
print("%s: OK" % o)