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# -*- coding: utf-8 -*-
#
# 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.
#
# 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 <COPYRIGHT HOLDER> 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 __future__ import absolute_import, unicode_literals, print_function, division
import sys
from .esprima import parse, tokenize, Error, toDict
from . import version
def main():
import json
import time
import optparse
usage = "usage: %prog [options] [file.js]"
parser = optparse.OptionParser(usage=usage, version=version)
parser.add_option("--comment", dest="comment",
action="store_true", default=False,
help="Gather all line and block comments in an array")
parser.add_option("--attachComment", dest="attachComment",
action="store_true", default=False,
help="Attach comments to nodes")
parser.add_option("--loc", dest="loc", default=False,
action="store_true",
help="Include line-column location info for each syntax node")
parser.add_option("--range", dest="range", default=False,
action="store_true",
help="Include index-based range for each syntax node")
parser.add_option("--raw", dest="raw", default=False,
action="store_true",
help="Display the raw value of literals")
parser.add_option("--tokens", dest="tokens", default=False,
action="store_true",
help="List all tokens in an array")
parser.add_option("--tolerant", dest="tolerant", default=False,
action="store_true",
help="Tolerate errors on a best-effort basis (experimental)")
parser.add_option("--tokenize", dest="tokenize", default=False,
action="store_true",
help="Only tokenize, do not parse.")
parser.add_option("--module", dest="sourceType", default='string',
action="store_const", const='module',
help="Tolerate errors on a best-effort basis (experimental)")
parser.set_defaults(jsx=True, classProperties=True)
opts, args = parser.parse_args()
if len(args) == 1:
with open(args[0], 'rb') as f:
code = f.read().decode('utf-8')
elif sys.stdin.isatty():
parser.print_help()
return 64
else:
code = sys.stdin.read().decode('utf-8')
options = opts.__dict__
do_tokenize = options.pop('tokenize')
t = time.time()
try:
if do_tokenize:
del options['sourceType']
del options['tokens']
del options['raw']
del options['jsx']
res = toDict(tokenize(code, options=options))
else:
res = toDict(parse(code, options=options))
except Error as e:
res = e.toDict()
dt = time.time() - t + 0.000000001
print(json.dumps(res, indent=4))
print()
print('Parsed everyting in', round(dt, 5), 'seconds.')
print('Thats %d characters per second' % (len(code) // dt))
return 0
if __name__ == '__main__':
retval = main()
sys.exit(retval)